2004-08-06
''This is for unredeemed hackers who must see the raw bits to be happy.'' -- Solaris truss man page They . . . + "\n"); } return contents.toString(); } catch (Exception e) { return null; } } Have you spotted . . . is a maximum of 1024 open files and the application runs a few hours, you'll get messages in your . . . command can tell you which system calls an application makes. System calls are basically the commands . . . strace can tell us which system calls an application makes. I was interested in the open and close . . .
3K - last updated 2005-03-19 11:14 UTC by 7115
2005-01-17
Looking back, I miss a lot of things that should've been in the curriculum of my education. I've said . . .
1K - last updated 2005-03-19 09:42 UTC by 7115
2005-01-21
Outside work I received a question: "We need a WebDav implementation which is complete, has admin screens . . . is combineable with your database-driven applications. As with many things, there are both advantages . . .
2K - last updated 2005-03-20 07:33 UTC by 7115
2005-03-21
Chet Haase blogs about how they are looking for Java applications which they want to improve on either . . . It's Sun, so they probably don't want SWT applications, which leaves off [http://azureus.sourceforge.net . . . you haven't ever used a profiler, pick an application which you think needs some performance improvement, . . . download a profiler and run it on your application. One profiler I could recommend is [http://www.ej-technologies.com/products/jprofiler/overview.html . . .
2K - last updated 2005-03-22 07:22 UTC by 7115
2005-04-09
(Normally entries are in English, but this is applicable to Dutch users only). Om te oefenen voor het . . . Het oefenprogramma is een Windows applicatie. Echter, dit programma lijkt in eerste instantie . . . net alsof je door een brievenbus naar de applicatie kijkt. Door de volgende regels toe te voegen . . . ook hebt geïnstalleerd), wordt de gehele applicatie getoond in een nieuw, apart venster. De applicatie . . . winevdm.exe] is de Wine manier om 16-bit applicaties te draaien. Het enige nadeel van deze oplossing . . .
2K - last updated 2005-04-10 08:00 UTC by 7115
2005-04-14
I regularly buy a new version of Codeweavers' [http://www.codeweavers.com/products/cxoffice/ CrossOver . . . online database] where applications are rated for usage. Each application has one . . . or more "advocates", who maintain the usability status for the app. . . . I've become an "advocate" for [http://www.sparxsystems.com.au/ea.htm Enterprise . . . a webpage dedicated to running their software] using CrossOver, and . . .
2K - last updated 2005-04-14 14:57 UTC by 7115
2005-04-16
At work, we're using [http://www.atlassian.com/ Atlassian's] Jira. One of their [http://www.theserverside.com/symposium/bios.html#mike_cannonbrookes . . . a talk on pluggable J2EE web applications] at [http://www.theserverside.com/symposium/ . . .
1K - last updated 2005-04-16 09:36 UTC by 7115
2005-06-28
And yet another Oddmuse module. This one provides an RSS syndication for those people who have Oddmuse . . .
1K - last updated 2005-06-28 06:05 UTC by 7115
2005-08-06
A personal note: you have all probably heard or seen short newsblurbs on the heavy rain in India on the . . . (where the brunt of the IT industry is located) are fine currently. I'm ending with a tip: if . . .
2K - last updated 2005-08-06 08:30 UTC by 7115
2005-08-26
Messing with SOAP? Using Axis? Need to debug it? I assume you have a client and a server and want to . . . Unix tools. To view client output: * Start netcat with "nc -l -p 8080". To save the output, append . . . your saved output to the server, like this: "cat output | nc localhost 8080" You could also use . . .
1K - last updated 2005-08-26 12:58 UTC by 7115
2005-09-15
I'm currently wrestling with [http://maven.apache.org/ Maven] and I have several gripes. I'm using version . . . (configurable via menu Project, Properties, category Java Build Path, first tab Source). But it's . . .
6K - last updated 2005-10-26 11:07 UTC by 7115
2005-10-06
A colleague offered advice on setting up an Excel spreadsheet which is useful for managing features in . . . Painless Functional Specifications] . . .
1K - last updated 2005-10-09 10:24 UTC by 7115
2005-10-26
More Maven findings. I've said before that in my humble opinion, Maven is too much in a state of flux . . . know how the build was done Of course, there's a catch. You have to force everyone to have the same . . . also the following properties, which are deprecated and shouldn't be used. I encountered them in . . . above all the options says this stuff is deprecated, and then continues to say in the description . . . for each option that it's deprecated and you should use deploymentAddress and deploymentDirectory . . .
4K - last updated 2005-11-04 11:47 UTC by 7115
2005-11-25
ibiblio.org was offline today. This meant my build didn't work. Of course, no error was given, which . . . of it, this goes to show how you should try to catch errors and see if there's a way to continue. . . .
1K - last updated 2005-11-25 14:39 UTC by 7115
2005-12-08
After firewalls are in place, you're not done securing JBoss 3.2.6. At the least, passwords should be . . . set on the jmx-console and web-console applications. Go to $JBOSSHOME/server/yourconfig/deploy . . . following steps to secure the jmx-console application: # Edit jmx-console.war/WEB-INF/web.xml, search . . . Now do the same for the web-console application: # Edit management/web-console.war/WEB-INF/web.xml, . . . you'll probably want to remove the status application, the HTTP invokers, maybe JMS, etc. An excellent . . .
2K - last updated 2005-12-08 12:55 UTC by 7115
2006-02-23 Pictures from TELIS Project
Some pictures from work, all related to the [http://www.sron.nl/index.php?option=com_content&task=view&id=99&Itemid=238&lang=en . . . backplane provides besides power also communications. The whole package, including batteries (see . . .
2K - last updated 2025-01-14 19:33 UTC by bartvk
2006-04-24 SIRs for dummies
Previously, I showed some [http://www.vankuik.nl/cgi-bin/wiki.cgi/2006-02-23 pictures on the electronics] . . . and one, the flux flow oscillator (FFO) is located. The Harmonic Mixer is located below that. More . . .
4K - last updated 2006-05-15 15:14 UTC by 7115
2006-04-25 SIR acronym
In the [[2006-04-24_SIRs_for_dummies|previous entry]], I told that the acronym SIR stands for Superconducting . . . why right below the antenna, the SIR mixer is located. Finally, the "integrated" part of the acronym. . . .
5K - last updated 2006-05-15 14:04 UTC by 7115
2006-09-19 PLL IF curves
The electronics man of the Telis project has created a new macro (set of instructions in the flash memory . . . at 5, 10 and 15 dB must be colorized to indicate the PLL IF level. This is an output of the PLL, . . . a voltage to indicate . . .
1K - last updated 2006-09-19 07:39 UTC by 7115
2006-10-04 Mod perl and Slackware part 2
The previous day, I thought I had Apache with mod_perl working on Slackware 10.2, but alas, funny segfaults . . . install any additional Perl modules your application needs. In our case, we typed: perl -MCPAN -e . . . Logout and login. Type: $ apachectl start $ cat apache/logs/error_log It should say something like: . . .
3K - last updated 2006-10-24 06:56 UTC by bvankuik
2006-10-17 Gigabit network cards
At work, Tiemen Schut tested the performance under Linux for two Gigabit network cards, a D-Link DGE-550SX . . . (optical) and an Intel Pro/1000 GT (standard Cat5e). While the throughput is the same, the CPU usage . . .
1K - last updated 2006-10-17 13:28 UTC by bvankuik
2006-11-16 Checking form fields
When you're creating dynamic web pages with forms on them, you'll probably not forget to validate the . . . Novell's Webmail application luckily doesn't validate these fields. So all . . .
2K - last updated 2006-11-16 15:35 UTC by 7115
2007-01-09 Battery problem
One of the current problems in the current project is the battery pack. According to the electronics . . . company. The batteries come with a specification that they deliver up to a certain voltage for . . .
2K - last updated 2007-01-23 08:39 UTC by 7115
2007-03-11 Bug in software or hardware
This week was a very rewarding week: we squashed a bug which seemed to elude the very best minds -- these . . . to start thinking. We tried to determine the location of the problem. Is it the hardware, the software, . . . hardware instructions loaded into the flash located on the electronics board? The measurement is . . . hardware instructions loaded into the flash located on the electronics board. This macro first puts . . .
4K - last updated 2007-03-12 08:46 UTC by bvankuik
2007-08-05 Adding salt to Auth class
If you're using PHP, you probably use or at least know of the PEAR classes at http://pear.php.net/. It's . . . you need username/password screens for your application. What this class is missing, is a function for . . . like: $mysalt = 'wd3'; This should be concatenated before all passwords when saving them in . . .
2K - last updated 2007-08-05 08:08 UTC by 7115
2007-08-20 Configuring SSH daemon
If you want to configure the SSH daemon on a remote machine, you probably don't want to risk the chance . . . read the root-only files for successful authentication. The only authentication possible is key-based, . . .
2K - last updated 2007-08-20 20:06 UTC by 7115
2008-02-07 the WTF count
As inspired by the comic [http://www.osnews.com/story/19266/WTFs_m WTFs per minute], we'd thought that . . . WTF]. First, you need to locate the syntax file: $ locate syntax/c.vim /usr/share/vim/vim70/syntax/c.vim . . .
1K - last updated 2008-02-08 09:29 UTC by 7115
2008-03-31 Filtering on packet size
I was asked recently to check how UDP packets could be filtered which don't have any contents. The reason . . . size. Anyway, I've tested the above using netcat: Start service listening to port 6500 on machine . . .
2K - last updated 2008-03-31 14:53 UTC by 7115
2008-05-06 Recovering from a hacked server
A friend of mine had a problem with a server in which a particular PHP script kept changing, including . . . OS version. In this case, found it by doing # cat /etc/redhat-release CentOS release 4.6 * Checked . . .
2K - last updated 2008-05-08 06:28 UTC by 7115
2008-05-25 Finding open ports
When tightening up security on a Linux server, one of the first things the system administrator does, . . . which ports are open. In other words, which applications are listening on a port that is reachable from . . . -p Overview of the options: ||--tcp ||Show applications that use the TCP protocol (exclude UDP) || . . . ||--listen ||Show only applications that listen, and exclude clients || ||-p ||Show . . . the process ID and name of the application to which the port belongs || Netstat sometimes . . .
3K - last updated 2008-05-25 20:25 UTC by 7115
2008-05-31 Test for a sysadmin
As part of an interview for a new system administration, we asked the following questions: General: * . . . happens when you delete a file while an application has it opened? * What is: NFS? NIS? * What is . . .
2K - last updated 2008-06-01 12:08 UTC by 7115
2008-06-19 Project SHAMROC
For [http://www.sron.nl/index.php?option=com_content&task=view&id=1531&Itemid=1394 project SHAMROC], . . . mixed-signal [http://en.wikipedia.org/wiki/Application-specific_integrated_circuit ASICs] which have . . .
2K - last updated 2008-07-01 11:28 UTC by 7115
2008-06-26 Layout Shamroc board
Below are details of the Shamroc DAC testing board. [[image:IMAGE_496.jpg]] # Daughterboard, for DAC . . . ADCs, with lower accuracy than the one that's located at '''3''' # Power for DACs and filtering # Power . . .
2K - last updated 2008-07-02 07:45 UTC by 7115
2008-08-29 Fighting an ADC
We use an [http://en.wikipedia.org/wiki/Analog-to-digital_converter ADC] from Cirrus Logic on the DAC . . . not the DAC that's causing the trouble. This indicates that the ADC or its placement on the board is . . .
2K - last updated 2008-08-29 07:16 UTC by Bart
2008-09-16 Tweaking TCP
For the Telis project, we use the TCP protocol for the radio uplink. This is rather unusual since most . . . I have found a way to check this per application (man tcp, search for TCP_INFO) but not per interface. . . .
2K - last updated 2008-09-16 15:49 UTC by 7115
2008-10-03 Software architecture decisions
Today I bumped into a problem which required some decisions about the software. In short it comes down . . . to determine what to do with it, the APID (APplication IDentification). However this APID is separated . . .
3K - last updated 2008-10-07 09:40 UTC by 7115
2008-10-16 analyzing a running process
Today I was notified that our custom-developed lab software suite had crashed. Having a look, it turns . . . #1 0x084dad4a in QTextEngine::LayoutData::reallocate () #2 0x084de989 in QTextEngine::attributes () . . . () #27 0x0832426f in QApplicationPrivate::notify_helper () #28 0x083296b9 in QApplication::notify . . . () #29 0x08a00097 in QCoreApplication::notifyInternal () #30 0x08a258dd in socketNotifierSourceDispatch . . . QEventLoop::exec () #38 0x08a014e2 in QCoreApplication::exec () #39 0x083249d7 in QApplication::exec . . .
4K - last updated 2008-10-20 06:32 UTC by 7115
2008-11-04 Bitstream mode
The new project its temperature sensor (tsens) ASIC is basically a [http://en.wikipedia.org/wiki/Sigma-delta_modulation . . . that raw 1-bit value can still be read for verification purposes. For the coming radiation test, we'll . . . don't want to disturb the process with communications from the PC, then just let the buffer fill . . .
3K - last updated 2008-11-07 10:57 UTC by 7115
2008-12-09 Offset dependency
Previous year, I wrote about [[2007-09-26_Fiske_steps_testing|the Fiske steps routine]], a routine which . . . out this routine is going to be a bit more complicated than expected. Here's an image of the output . . .
2K - last updated 2008-12-09 15:17 UTC by 7115
2008-12-19 Linux USB device handling
For reading/operating lab instruments like multimeters and power supplies, the [http://en.wikipedia.org/wiki/IEEE-488 . . . a Linux machine and a USB device, but as an application developer you don't know how to continue from . . . the USB device, you might need to pass the location of the device to the firmware loader. It's possible . . .
5K - last updated 2009-01-05 13:54 UTC by 7115
2009-03-27 LEON3
At work, we're currently experimenting with the [http://en.wikipedia.org/wiki/LEON LEON3] processor. . . . a general CPU and has buses for several applications. It's possible to design your own logic for . . .
1K - last updated 2009-03-27 08:34 UTC by 7115
2009-06-06 Getting Chrome running on Fedora
Recently, the [http://dev.chromium.org/getting-involved/dev-channel|alpha builds of Chrome for Linux] . . . /opt/google/chrome/google-chrome Create an application launcher on any panel for easy access. . . .
2K - last updated 2009-06-06 08:55 UTC by 7115
2009-06-08 Using D-Bus in your application
We've got a Qt-based application (daemon style) which writes log files. In order to nicely integrate . . .
1K - last updated 2009-06-08 07:26 UTC by 7115
2009-08-24 Archiving to a branch
Today, I needed to archive and clean up old machines that were used for a project that has reached its . . . off the network for a while and some local modifications were necessary. While cleaning up, I found . . . that these modifications were not committed to the SVN repository. In . . . just do an update and commit these old modifications. The solution is to create a branch and commit . . . $ svn ci -m "Archiving local modifications" Committed revision 2012. . . .
2K - last updated 2009-08-25 07:56 UTC by 7115
2010-07-20 Coverity demo
We got a demo from the [http://www.coverity.com/ Coverity] people. We ran their tool on our code base . . . you can see the code as well as th classification of the defect. Along with the classification, . . .
3K - last updated 2010-07-20 09:40 UTC by 7115
2010-08-17 Thoughts on a SW design
So far, the custom software we built at SRON assumed that users would manually configure the software . . . out a sensor, housekeeping duties and PC communication duties. Such a rack would consist of a number . . . into the protocol that we use for communication between hardware and software. The hardware . . . action (user or scripted) to generate a communication timeout? # It should be possible for selected . . .
8K - last updated 2010-08-20 13:44 UTC by 7115
2010-10-08 SpaceWire at SRON
The purpose of SpaceWire (short: SpWi), is a standard to connect pieces of a satellite for data retrieval . . . bit is a parity bit and the second is the indicator for the token length. The four bit tokens are . . .
4K - last updated 2010-10-08 08:54 UTC by 7115
2010-10-12 Supporting Python
At my dayjob, we have created an application for sensor readout and control. We are creating a software . . .
2K - last updated 2010-10-13 12:28 UTC by 7115
2010-10-14 Some highlights of AHS 2010
A colleague of mine recently went to [http://www.see.ed.ac.uk/ahs2010/ AHS 2010], a series of annual . . . challenges of wireless intra-spacecraft communications. There are a lot of possibilities, but mentioned . . . shows how a flight development and/or qualitication track looks like. . . .
2K - last updated 2010-10-14 14:32 UTC by 7115
2011-03-03 SAFARI software and hardware setup
Below is a basic setup of our software and electronics. [[image:SAFARI setup software and electronics]] . . . ethernet port in raw ethernet frames, then concatenates the packages and transfers them over TCP . . . firmware doesn't support jumbo frames. So we concatenate the CCSDS packets on the PC with the ethernet . . .
2K - last updated 2011-04-21 12:07 UTC by 7115
2011-04-08 Using the decorator pattern in Python
For my current project, we are trying to look into the future, where our Python scripts might be used . . . for this to work, our Python library for communication with our [[2011-03-03_SAFARI_software_and_hardware_setup|Generic . . . rewritten. These changes will not be big: communication with an electronics board will take place over . . .
2K - last updated 2011-04-08 15:05 UTC by 7115
2011-04-21 Not enough CPU time
The datarate of the Demux board of the Safari project is quite high for a desktop PC to work with, even . . . PC was installed to run a daemon, which concatenates the large amount of small ethernet packets . . .
3K - last updated 2011-04-21 11:47 UTC by 7115
2011-06-20 Running yum on low end VPSes
Yum is a dog to run on older systems with small amounts of memory, or when you run a VPS (virtual private . . . each package listed in the file: $ for i in $(cat list); do sudo yum -y update "$i"; done . . .
1K - last updated 2011-06-20 14:10 UTC by 7115
2011-08-30 Creating specific password lists with John the Ripper
For security purposes, you sometimes want a dictionary with possible passwords. Perhaps you want to assess . . . password strength in an in-house built application, or you want to test the security of the WPA . . . Then use sed to strip out the HTML: $ cat wordlist.html | sed -e :a -e 's/<[^>]*>//g;/</N;//ba' . . . put each word on a separate line. The ^M indicates the Enter key. Create it by pressing CTRL+V, . . .
5K - last updated 2011-08-31 10:58 UTC by 7115
2011-09-05 From iPhone to Android
Today, my iPhone 3G lost its reception in the middle of the city, and that wasn't the first time. Since . . . budget but still wanted the equivalent in specifications of an iPhone 3G, I went for the Samsung Galaxy . . . and mail is handled by GMail). The iPod application of the iPhone is nice, and supports a sleep . . .
3K - last updated 2011-09-08 08:34 UTC by 7115
2011-09-06 From iPhone to Android
''This is part 2 of my series where I document going from an iPhone to Android 2.3, running on the Samsung . . . you have the home screen as well as the application screen. The home screen contains selected shortcuts . . . to apps, if I can say so, while the application screen contains all apps. Why not just limit . . .
3K - last updated 2011-09-07 06:35 UTC by 7115
2011-09-21 From iPhone to Android
''This is part 7 of my series where I document going from an iPhone to Android 2.3, running on the Samsung . . . it's not really as invasive and/or complicated as the typical iPhone jailbreaking. See also . . .
3K - last updated 2011-09-26 21:19 UTC by 7115
2011-12-12 Protocol stuff
We have an interesting situation here at work, concerning our internally developed binary protocol. There . . . called the Ethernet Daemon, and then concatenated into a larger packet, where the Data Header/Data . . . part are repeated. [[image:CCSDSpacketconcatenation.png]] The discussion piece currently, is . . .
5K - last updated 2011-12-15 15:40 UTC by 7115
2012-03-08 Launchctl on OS X
= Comparison of SysV initialization and launchd = If you're an old-school Unix or Linux person, you're . . . in /System/Library/LaunchAgents, and other locations specified in the launchd man page. Examples . . .
6K - last updated 2025-05-30 20:04 UTC by bartvk
2012-03-29 Extensions to Safari library
I've received the specs for a modification to our software library for the SAFARI project, and after . . .
2K - last updated 2012-05-05 17:38 UTC by 7115
2012-07-02 Minimizing amplifier chain offset
For the [http://en.wikipedia.org/wiki/SAFARI_imaging_spectrometer SAFARI] project, I'm refactoring some . . . an [http://en.wikipedia.org/wiki/LC_circuit#Applications article on LC circuits] which is hard to read . . . for me, but do notice the applications header which I've linked to. First entry says . . . that the most common application is '''tuning''', which is exactly what's being . . . configuration ''(??)'' Note: the ?? indicates I have to check this statement = Background = . . .
7K - last updated 2012-07-05 14:58 UTC by 7115
2012-07-09 Mac OS X command line utilities
Recently I upgraded my macbook its SSD drive for a bigger version. Since I wanted to start with a fresh . . . stick ''nice -n 20'' before the commands dd and cat, so normal desktop usage is not bothered by the . . . and zero the empty space: $ cd /Volumes/MacSSD $ cat /dev/zero > zero.file;rm zero.file We'll now unmount . . .
2K - last updated 2012-07-09 09:45 UTC by 7115
2012-07-15 strace on Mac OS X
If you're looking for the Linux ''strace'' command on OS X, stop looking. OS X doesn't have this command, . . . name as its argument; i.e: $ sudo dtruss /Applications/SomeRandomApp/Contents/MacOS/SomeRandomApp . . . dtrace: failed to execute /Applications/SomeRandomApp: file is set-id or unreadable . . . read(0x17, "Bad stdio forwarding specification '\\'\r\n\0", 0x1000) = 40 0 That gave me a clue . . .
2K - last updated 2012-07-17 08:33 UTC by 7115
2012-08-12 Xcode 4.4 won't quit
I've had a problem with Xcode 4.3 and 4.4 where it will not quit after stopping the simulator. The problem . . . so far. The last thread on cocoabuilder.com indicates that you should add some extra logging to find . . .
2K - last updated 2013-02-20 15:18 UTC by 7115
2012-11-09 Full-text searching
In a previous project, I solved the full text search problem as follows. Management overview: it's very . . . of the data you're looking for (i.e. a concatenation of business name, address, reviews, locations . . . blah") As you can see, the summary is just a concatenation of name, address, category, reviews, phone . . . number, everything. There is lots of duplicate information in there, but that doesn't matter . . . fields from any of the tables were concatenated into a summary. I created a database row-level . . .
2K - last updated 2012-11-09 06:03 UTC by 7115
2012-11-11 Starting with storyboard
I've never seriously worked with the storyboard before in Xcode, so here's a summary of what I've gathered . . . controller. A big data file, a specification, according to which all container view controllers . . . Instead of coding, you drag and drop this specification using Interface Builder. You still have to put . . .
2K - last updated 2012-11-14 08:15 UTC by 7115
2013-04-11 measure the AC gain
= A little intro = Another routine in the system is the [http://en.wikipedia.org/wiki/Alternating_current . . . it. The cryostat is where the above sensor is located. It has an array of TESes, each with its own . . .
3K - last updated 2013-04-26 06:59 UTC by 7115
2013-04-15 State machine in Objective-C
Here's my version of a state machine in Objective-C, useful for your iOS or Mac OS X projects. There . . . for an alarm */ @interface WSAlarm : WSNotification @property enum WSAlarmState currentState; @end . . . - (void)start:(NSDate*)notifDate { self.notificationDate = notifDate; [self transitionToState:WSAlarmStateActive . . .
6K - last updated 2013-04-21 11:34 UTC by 7115
2013-04-26 Asynchronous data from the SAFARI Demux board
Previously, I described [[2013-04-11_measure_the_AC_gain|how we measure the transfer of the AC bias]]. . . . can be viewed as a number of digital data taps located on several points of the Demux board. You can . . .
4K - last updated 2013-04-29 10:46 UTC by 7115
2013-06-15 Automatic updating of Google Drive
On my bog standard MacBook Pro, it seems that there's an update problem with Google Drive. It fails to . . . Google Drive" wget --quiet --no-check-certificate -O "$DEST" "$URL" hdiutil mount -quiet "$DEST" . . . -c "Print :CFBundleVersion" "/Applications/Google Drive.app/Contents/Info.plist") [ $? . . .
2K - last updated 2013-06-15 06:16 UTC by 7115
2013-09-28 Criticism of Google Drive
= Update 2013-12-12 = There have been some improvements to [http://googlesystem.blogspot.nl/2013/12/the-new-google-sheets.html . . . offline means that you've got everything replicated twice on your local harddrive. The second major . . . ||Always || In my opinion, this is too complicated. = Conclusion = In my opinion, it would be much . . .
5K - last updated 2013-12-12 11:12 UTC by 7115
2013-10-25 What is new in OS X Mavericks
I'm running a little comparison of the file system of a Mavericks install and a Mountain Lion install, . . . installation utility * Keychain Circle Notification -- App that allows you to grant other devices . . . AppleHWAccess: would seem to be for communication with keyboards, trackpads, and other buttons . . . -- ? * lsappinfo -- Control and query CoreApplicationServices about the app state on the system * . . .
5K - last updated 2013-12-06 10:09 UTC by 7115
2014-05-07 Debian Wheezy interface without an IP address
Today, I needed to configure a machine so it brought up its ethernet interfaces without an IP address. . . . or bridging stuff, but also when you communicate with custom electronics that speak plain ethernet. . . .
1K - last updated 2014-05-07 13:12 UTC by 7115
2014-09-26 Tomcat error on Ubuntu 14.04
If you upgraded Ubuntu to 14.04 and you've got Tomcat running, chances are that you get the following . . . error in catalina.out: SEVERE: Failed to initialize end point . . . Solution is here: [http://csnipp.com/s/268/-Tomcat7-bind-to-port-80-fails-in-Ubuntu-14-04LTS Tomcat7 . . .
1K - last updated 2014-09-26 09:51 UTC by 7115
2014-10-09
On iOS 8, user permission is required for scheduling local notifications (of class UILocalNotification). . . . - (BOOL)appHasPermissionForLocalNotifications { UIUserNotificationSettings *settings = [[UIApplication . . . sharedApplication] currentUserNotificationSettings]; if(settings.types . . . & (UIUserNotificationTypeSound | UIUserNotificationTypeAlert | UIUserNotificationTypeBadge)) . . . return NO; } } To request permission: [[UIApplication sharedApplication] registerUserNotificationSettings:[UIUserNotificationSettings . . .
1K - last updated 2014-10-10 10:24 UTC by 7115
2014-11-06 From mov to animated gif
On OS X, the standard QuickTime Player application can record (a part of) your screen, or record the . . .
1K - last updated 2020-08-27 10:27 UTC by 7115
2015-01-20 button title truncated
There's a weird situation that when you add an image to a standard UIButton and add some space between . . . the image and the label, the label text gets truncated: [[image:moreinfo_1.png]] The reason is that . . .
1K - last updated 2015-01-20 07:56 UTC by 7115
2015-01-29 Update interface when app is opened
If you're developing in Swift and want to update your app's interface when it's reopened, put the following . . . = CFAbsoluteTimeGetCurrent() func applicationWillEnterForeground(application: UIApplication) . . . the user accessed the app, send out a notification if timeSinceLastUsage > (24 * 60 * 60) { log.verbose("Posting . . . notification \(MYFApplicationDidBecomeActiveAfterTimeoutNotification)") . . . NSNotificationCenter.defaultCenter().postNotificationName(MYFApplicationDidBecomeActiveAfterTimeoutNotification, . . .
2K - last updated 2015-01-29 11:29 UTC by 7115
2015-02-01 Layout of a tableviewcell depending upon device orientation
Last week, a refresh of the design of my client's app called for a layout that changed depending on the . . . using AutoLayout and didn't want to use any deprecated methods. Problem was that it called for layout . . .
3K - last updated 2015-02-01 11:25 UTC by 7115
2015-02-05 Swift example of a batch update in Core Data
Here's a Swift example of doing a batch update in Core Data: let updateRequest = NSBatchUpdateRequest("some_entity_name") . . . let predicateIsRead = NSPredicate(format: "isRead = %@", NSNumber(bool: . . . true)) updateRequest.predicate = predicateIsRead updateRequest.propertiesToUpdate . . .
1K - last updated 2015-02-05 15:28 UTC by 7115
2015-03-13 Connecting to Oodrive via FTPS on OS X
For a client, I have to save files to Oodrive. They offer several methods for uploading, one of them . . . "ls". If you see the error "Fatal error: Certificate verification: Not trusted", you may want to add . . . the .lftp settings file: set ssl:verify-certificate no . . .
2K - last updated 2015-03-13 09:53 UTC by 7115
2015-05-05 Stop the new Photos app from opening automatically
Since the last Yosemite update, the new Photos app will open automatically when you hook up your iPhone . . . open Image Capture (available in your Applications folder), connect your iOS device, select it . . .
1K - last updated 2015-05-05 13:05 UTC by 7115
2015-05-09 discovering bitrot with MD5
Except for modern filesystems such as ZFS and btrfs, your files aren't protected against so-called "bitrot". . . . $ par2verify par2file.par2 As an indication, a directory containing 1836 megabytes of photos . . .
3K - last updated 2016-09-11 10:13 UTC by 7115
2015-06-19 QuickLook for mobileprovision files
[http://furbo.org/2013/11/02/a-quick-look-plug-in-for-provisioning/ Craig Hockenberry wrote a Quick Look] . . . steps: * In the Member Center, go to Certificates, Identifiers & Profiles * Add the device for . . . file * Check with the terminal that it is now located in <tt>~/Library/MobileDevice/Provisioning Profiles</tt> . . .
2K - last updated 2015-06-19 13:09 UTC by 7115
2015-08-07 Core Data sum example
I had some trouble last week finding a Swift example to sum across order line entities in Core Data. . . . order items because "legacy". Note 2: the predicate in the fifth line passes self as the order. That . . . works in our case, because the function is located in the Order class. Adjust as necessary. Without . . . = .Integer32AttributeType let predicate = NSPredicate(format: "order == %@", self) let . . . = [quantityExpression] request.predicate = predicate var results:[[String:AnyObject]]? . . .
2K - last updated 2015-08-07 14:39 UTC by 7115
2016-02-14 Cleaning the Microsoft Sculpt Ergonomic
I've always been a fan of the Microsoft ergonomic keyboards. They offer the best keyboards in the "ergonomic" . . . category for their price. The Sculpt Ergonomic got . . .
4K - last updated 2016-02-18 07:52 UTC by 7115
2016-03-18 Lets Encrypt
Another day, another TLS certificate from the friendly folks at [https://letsencrypt.org Let's Encrypt]! . . . configuration to the following lines: SSLCertificateFile /etc/letsencrypt/live/www.vankuik.nl/cert.pem . . . SSLCertificateKeyFile /etc/letsencrypt/live/www.vankuik.nl/privkey.pem . . . SSLCertificateChainFile /etc/letsencrypt/live/www.vankuik.nl/chain.pem . . . also [[2016-05-16_Renewing_letsencrypt_certificates_via_crontab]]. . . .
2K - last updated 2016-05-16 08:22 UTC by 7115
2016-03-18 Updating Xcode
[http://ericasadun.com/2016/03/22/xcode-upgrades-lessons-learned/ Erica Sadun about updating Xcode]. . . . the existing installation to, for example /Applications/Xcode-7.2.app so I always can go back. And . . . from the .dmg, copy the new version to /Applications. Then if my current project nicely compiles . . .
2K - last updated 2016-03-23 07:06 UTC by 7115
2016-05-16 Renewing letsencrypt certificates via crontab
Last time, I showed how I installed the LetsEncrypt certificates but not how to automatically renew them. . . .
2K - last updated 2016-05-16 09:41 UTC by 7115
2016-05-24 Swift example of CoreData max query
Here's a copy/paste example of doing the equivalent of a SQL MAX() function. I know, I know "CoreData . . . = .Integer32AttributeType let predicate = NSPredicate(format: "form == %@", self.form) . . . = [quantityExpression] request.predicate = predicate var maxSequence = 0 do { let results . . . else { fatalError("Didn't get first result") } } catch let error as NSError { fatalError("Error fetching . . . } Paste this in your model file. Adjust the predicate or uncomment and adjust the propertiesToGroupBy. . . .
2K - last updated 2016-05-24 11:16 UTC by 7115
2016-12-25 Firefox crashes on late 2016 MacBook Pro
I've been using Firefox on a late 2016 MacBook Pro, running macOS 10.12.2. Every time the laptop wakes . . . then local firefox = hs.application.find('Firefox') if not (firefox == nil) then . . . then local firefox = hs.application.find('Firefox') if (firefox == nil) then firefox . . . = hs.application.open("/Applications/Firefox.app") end end end . . .
2K - last updated 2016-12-25 17:18 UTC by 7115
2017-02-02 Swift app without Interface Builder
Here's an example of an AppDelegate.swift, for those who don't like Interface Builder: import UIKit @UIApplicationMain . . . class AppDelegate: UIResponder, UIApplicationDelegate { var window: UIWindow? func application(_ . . . application: UIApplication, didFinishLaunchingWithOptions . . . launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool { self.window . . .
1K - last updated 2017-02-03 09:03 UTC by 7115
2017-05-29 Creating a Swift module
When creating a custom view, I find it very useful to make it into a framework and include an example . . . -> New -> Target and create a Single View Application * Name it YourlibnameExample or something * . . .
1K - last updated 2017-05-29 09:55 UTC by 7115
2017-09-17 Replacing NSTimer in Swift 4
For repeated calling of a function, the Timer class is available (used to be called NSTimer). So perhaps . . . Swift 3 @objc inference in Swift 4 mode is deprecated. Please address deprecated @objc inference warnings, . . . test your code with “Use of deprecated Swift 3 @objc inference” logging enabled, and . . .
2K - last updated 2017-09-17 10:09 UTC by 7115
2017-10-06 reset display under macOS
Sometimes, you need to reset the display under macOS, without it being visible. Under Linux, this is . . . App Shortcuts * On the right, below All Applications, add a shortcut key. The text should be exactly . . .
2K - last updated 2017-10-06 14:53 UTC by 7115
2018-01-11 Navigationbar below statusbar on iOS 10
I had the strangest issue today. When testing my current app on iOS 10, the navigation bar would sit . . . we used the following AppDelegate.swift: @UIApplicationMain class AppDelegate: UIResponder, UIApplicationDelegate . . . UIWindow(frame: UIScreen.main.bounds) func application(_ application: UIApplication, didFinishLaunchingWithOptions . . . launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool { let mainViewController . . . to didFinishLaunching fixes the problem: @UIApplicationMain class AppDelegate: UIResponder, UIApplicationDelegate . . .
2K - last updated 2018-01-11 09:57 UTC by 7115
2019-08-01 border is deprecated Use a RoundedRectangle shape
Moving from Xcode 11 beta 4 to beta 5, you may get a warning when you have borders in your code: Text("In . . . is: 'border(_:width:cornerRadius:)' is deprecated: Use a RoundedRectangle shape. Here's a copy-paste . . .
1K - last updated 2019-08-01 07:28 UTC by 7115
2019-09-16 Objective-C project without storyboard in Xcode 11
Create a new project and open the ViewController.h. Optionally add the following lines to viewDidLoad: . . . Then open the Info.plist, click open Application Scene Manifest, Scene Configuration, Application . . .
2K - last updated 2019-09-16 07:03 UTC by 7115
2019-12-08 Linux VPS with TeamViewer
In 2017, I blogged about [https://www.vankuik.nl/2017-02-21_Linux_VPS_with_TeamViewer setting up a Linux . . . so GDM uses X.org. Add swapspace: # fallocate -l 1G /swapfile1 # chmod 600 /swapfile1 # mkswap . . .
3K - last updated 2020-02-07 07:57 UTC by 7115
2020-07-16 Error in SwiftUI preview
Today, one SwiftUI Preview would not show anything. The Diagnostics button showed the following error: . . . noPreviewInfos(arch: "x86_64", sdkRoot: "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator13.6.sdk") . . .
1K - last updated 2021-01-15 07:40 UTC by 7115
2021-03-22 Debugging view sizes
Here's a tip if you wish to show the sizes of views in your SwiftUI previews. Add the following struct . . . { ContentView() ContentView() .environment(\.sizeCategory, .accessibilityLarge) } .previewLayout(.fixed(width: . . .
2K - last updated 2021-03-22 08:45 UTC by 7115
2021-09-30 CGRect appendInterpolation
In the category of errors that you google but don't get results. Suppose you have the following state . . .
1K - last updated 2021-09-30 13:53 UTC by 7115
2023-04-12 Natural breaks in Time Out application for macOS
I'm using a break reminder on macOS, it's called Time Out. https://dejal.com/timeout/ It's a very full-featured . . .
2K - last updated 2023-04-12 09:15 UTC by bartvk
2023-12-01 Unable to use public key authentication for ssh login on Raspberry Pi
TL;DR: Raspberry Pi OS will reject rsa keys, use another type of key, and copy it to the Pi: % ssh-keygen . . . login to ssh, i.e. public key authentication. So I copied my existing public key to the Raspberry . . . debug3: mm_answer_keyallowed: publickey authentication test: RSA key is not allowed What you need to . . .
2K - last updated 2023-12-01 08:55 UTC by bartvk
2025-02-11 Garmin Zumo XT error
I updated my Garmin Zumo XT, and it showed me the error "map data not available" when I wanted to search . . . Zumo XT and refreshed the maps through the application. I hope this helps people because the Garmin . . .
1K - last updated 2025-02-11 08:52 UTC by bartvk
A Small Oracle 9i
== HOWTO: A Small 9i Database == This thing is HUUUUUGE... Yeah, it's a big beast. But if you need an . . . used trivially, it's probably best to select Dedicated Server Mode and clicking Next. == Step 6 == This . . . prefer. ''Thanks go to Jaco Verheul of Oracle Education for some useful suggestions!'' . . .
13K - last updated 2005-03-18 22:41 UTC by 7115
Acrobat Reader crash with search
When you open a document using Adobe Acrobat Reader 5.0.6 (and maybe other versions) and type CTRL-F . . . is not found, clicking OK will crash the application. Also when you're not on page one and it asks . . .
1K - last updated 2005-03-24 07:50 UTC by 7115
Adjusting Starfighter
Reading source code is one of those things that I feel that nobody likes, while the advantages are so . . . a bell. Looking at it, I see a function called locateDataInPak() but I'm not certain how to unpack and . . . game is set up with the newGame() function. I locate it in game.cpp, change the player.weaponType[1] . . . I search for that function and it looks complicated but lines 667 and 669 are noteworthy: 667 i = . . .
9K - last updated 2007-05-01 13:56 UTC by bvankuik
AdSense
<center> <script type="text/javascript"> google_ad_client = "pub-6318951223474843"; google_ad_width . . . src="http://pagead2.googlesyndication.com/pagead/show_ads.js"> </script> <p></p> </center> . . .
1K - last updated 2007-03-11 21:36 UTC by 7115
adsense.pl
application/x-perl
3K - last updated 2006-03-21 07:39 UTC by 7115
AdSense2
<p align="center"> <script type="text/javascript"><!-- google_ad_client = "pub-6318951223474843"; google_ad_width . . . src="http://pagead2.googlesyndication.com/pagead/show_ads.js"> </script> </p> . . .
1K - last updated 2006-03-15 12:24 UTC by 7115
Apache Thrift.pdf
application/pdf
547K - last updated 2009-03-06 15:51 UTC by 7115
asciidoctor.js
application/x-javascript
928K - last updated 2014-12-22 19:49 UTC by 7115
Bash
= Online resources = [http://ldp.nl.uu.net/LDP/abs/html/ Advanced Bash-Scripting Guide] = Changing numbering . . . in bash, however you ''can'' echo text and then catch output with backticks. function return_a_string . . . will immediately finish. = Passwords and kill catching = trap "stty echo ; exit" 1 2 15 stty -echo . . . <tt>/tmp</tt> and prints the name. The backticks catch the name and put it in the TMPFILE variable. . . . the below are all part of the Single Unix Specification standard and have been for years. ${parameter%word} . . .
10K - last updated 2012-09-14 07:29 UTC by 7115
bluetooth1.zip
application/x-compress
1357K - last updated 2006-03-16 20:38 UTC by 7115
bluetooth2.zip
application/x-compress
749K - last updated 2006-03-16 21:17 UTC by 7115
bluetooth3.zip
application/x-compress
999K - last updated 2006-03-16 21:20 UTC by 7115
boarding.pdf.enc
application/octet-stream
60K - last updated 2006-08-02 18:51 UTC by 7115
Bookmarks to check out sometime
* [http://openejb.codehaus.org/ OpenEJB], with an additional [http://www.onjava.com/pub/a/onjava/2003/02/12/ejb_tomcat.html . . .
1K - last updated 2006-08-03 14:26 UTC by 7115
capslock becomes escape.reg
application/octet-stream
1K - last updated 2006-08-03 05:51 UTC by 7115
Cat
[[Sleeping]] [[Sleeping_in_a_shoe]] [[Under_the_lamp]] [[With_Owner]] . . .
1K - last updated 2007-11-16 13:55 UTC by 7115
catholijn jonker.jpg
image/jpeg
1355K - last updated 2006-02-21 09:01 UTC by 7115
CCSDSpacketconcatenation.png
image/png
20K - last updated 2011-12-13 09:54 UTC by 7115
CDT
[http://www.eclipse.org/cdt/ CDT homepage] [http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/cdt-home/user/faq.html?cvsroot=Tools_Project . . . in your project, check off the ''Search for duplicate source files'' option on the ''Source'' tab of . . . configuration. * If you're debugging an application which does a fork and then exits, it's best . . . but ''only'' if the function body is located in the same file. Otherwise nothing will be shown . . .
3K - last updated 2006-02-16 12:38 UTC by 7115
chat.tar.gz
application/x-gzip
5K - last updated 2005-11-23 13:16 UTC by 7115
Cheap VPS Hosting
(English readers: this is an overview of cheap Dutch VPS hosters) = Update 23-12-2013 = '''Update:''' . . . is 150MB voor het OS. || ||[http://www.budgetdedicated.com/ Budget Dedicated] ||NL ||Linux ||€12,23 . . . bekend gemaakt. = Reviews = [[Review_Budget_Dedicated]] = Boven €15 = Als het budget wat hoger is, . . . MegaProvider] . . . Goede vragen voor je VPS provider zijn: * Specificaties (RAM, diskspace, verkeer) * Soms wordt RAM niet . . .
12K - last updated 2013-12-23 10:48 UTC by 7115
check unittest.xslt
application/xml
2K - last updated 2006-03-01 15:57 UTC by 7115
Colocation
Colocatie vanaf Utrecht. ||http://www.coloprovider.nl/ ||€25, 250Gb, Schiphol-Rijk ||Kan binnendoor, . . .
1K - last updated 2007-06-02 08:37 UTC by 7115
Colocation and ISPs
This page is in Dutch! = Links = Colocatie (price per month) ||Bedrijf ||Prijs ||Bandwidth || ||http://www.technotop.nl/ . . . een offerte = Graag een prijsopgave voor 2U colocation: Het gaat om twee 1U machines, een oude P3 (0.2A) . . .
1K - last updated 2007-07-30 07:57 UTC by bvankuik
Comments on 2008-05-31 Test for a sysadmin
As part of an interview for a new system administration, we asked the following questions: General: * . . . happens when you delete a file while an application has it opened? * What is: NFS? NIS? * What is . . .
2K - last updated 2008-05-31 10:40 UTC by 7115
Configuration
= Generating a config file = In a non-trivial project, several programming languages will often be used. . . . C. Then, a web frontend is bolted onto the application and it's coded in PHP. Some scripts in Perl . . . returns a hashmap sub get_config { # First get location of current file my $path = getcwd(); # Now get . . . then be used as follows: print "Binaries are located in " . $prefs{"BINDIR"}; == Usage in Python == . . . array. */ function get_config() { // First get location of current file $path = getcwd(); // Now get . . .
8K - last updated 2006-10-20 14:09 UTC by bvankuik
Cooperation with Oracle India
application/vnd.ms-powerpoint
157K - last updated 2005-03-18 21:10 UTC by 7115
Cooperation with Oracle India.ppt
application/vnd.ms-powerpoint
157K - last updated 2005-03-18 21:16 UTC by 7115
coreutils
= Counting and averaging = Suppose you have a big log file with lines like: 07-06-2005 13:45:28 - [12013] . . . following combination of ''uniq'' and ''awk'': cat very_big_log | uniq -c | awk 'BEGIN{s=0};{s=s+$1};END{print . . .
3K - last updated 2008-11-14 12:32 UTC by 7115
Creating a deb package
= Create a Debian package in 8 steps = Create a directory according to your package name, for instance . . . mirrors the place where the files should be located, i.e. if the files in your package must be installed . . .
3K - last updated 2009-01-08 08:46 UTC by 7115
css
/* the old CSS page is at /css2 */ /* Here's some good dark mode stuff */ @media (prefers-color-scheme: . . . default CSS file for Oddmuse wikis. It is dedicated to the public domain. You can copy, modify, distribute . . .
5K - last updated 2020-04-15 07:34 UTC by 7115
cxxtest-3.1.10.deb
application/x-archive
303K - last updated 2006-05-16 07:13 UTC by 7115
cxxtest-3.1.10.tar.gz
application/x-gzip
304K - last updated 2006-05-16 07:13 UTC by 7115
Database Logging Package
The java.util.logging classes are taking over the homebrewn solutions at the moment. It's a very flexible . . . need remote access to the server where your application is running. Also, it rereads the configuration . . . so you don't have to restart your application when you change something in the logging. These . . . are big plusses for an application administrator. Note that the code can be improved . . .
2K - last updated 2005-03-19 09:48 UTC by 7115
Debian
= Package tools = == dpkg-query == This command is meant to query the package database. Some examples: . . . KDE installed. However, when running GTK applications (like Mozilla and Eclipse), the font sizes . . . then adapt the configuration to your wishes: $ zcat /proc/config.gz > /tmp/.config $ sudo mv /tmp/.config . . .
6K - last updated 2014-01-10 12:17 UTC by 7115
Debian Sarge on Xen backup copy
Quick instructions for installing a Debian Sarge VM on Xen http://wiki.xensource.com/xenwiki/DebianSarge . . . Now you can setup the first VM (aka vm01) cat > /etc/xen/vm01.cfg kernel = "/boot/vmlinuz-2.6.10-xenU" . . . tty4 tty5 tty6 Setup /etc/network/interfaces cat > /etc/network/interfaces << EOF # This file describes . . .
3K - last updated 2006-09-24 13:52 UTC by 7115
Debugging
= GNU debugger = For an introduction into gdb, check out [http://www.unknownroad.com/rtfm/gdbtut/gdbtoc.html . . . You can test this as follows: $ cat Now press CTRL-\ (Ctrl and backslash). Quit (core . . . dumped) If that doesn't work: $ cat & $ kill -3 $! = Examining core dumps = Start the . . .
8K - last updated 2012-03-16 14:17 UTC by 7115
digitale transmissietechniek.doc.zip
application/zip
947K - last updated 2006-03-23 10:57 UTC by 7115
dungeons n dragons.wmv
application/octet-stream
11413K - last updated 2005-10-26 07:27 UTC by 7115
DutchVirtual
= dv1 configuration notes = * eth1 has IP address 192.168.0.253 * Disks are in s/w raid, partition 1 . . . clone * Exchange itself * Oracle, DB2 * Tomcat, Jira * JBoss * Encrypted disk * Shoutcast * Subversion . . . = Backing up an LVM = Plain backups: sudo cat /dev/vg0/my_lv0_name | gzip -c > my_lv0_name.img.gz . . .
5K - last updated 2008-08-15 10:01 UTC by Bart
Eclipse
[http://simplygenius.com/geekblog/2005/04/08/1112982083849.html Painless Eclipse upgrades under Linux] . . . CxxTestPlugin on SourceForge] and [http://web-cat.cs.vt.edu/WCWiki/EclipsePlugins/CxxTestPlugin homepage]. . . .
1K - last updated 2006-02-28 15:58 UTC by 7115
Embedded World 2008.pdf
application/pdf
2449K - last updated 2008-03-31 11:09 UTC by 7115
Engineer humor
After every flight, the pilot fills a form to tell the engineer which problems or deviations he encountered . . . and fills in the lower half of the form, indicating which action or correction has taken place. . . . nice songs P: Mouse in cockpit. S: Installed cat. P: Noise behind instrument panel. Sounds like . . .
2K - last updated 2007-09-10 08:30 UTC by bvankuik
Evolutionary Database Design Dutch
== Evolutionair Database Design == Door Martin Fowler en Pramod Sadalage Vertaald naar het Nederlands . . . tegelijk met de ontwikkeling van de applicatie. Dit is een belangrijke mogelijkheid voor agile . . . met een nauwe samenwerking tussen DBA's en applicatie-ontwikkelaars. De technieken werken in zowel . . . meestal tot wijdverbreidde fouten in de applicatie-software. Verder zal het veranderen van een schema . . . na de uitrol van de applicatie resulteren in pijnlijke migratie-problemen. In . . .
28K - last updated 2006-03-02 07:19 UTC by 7115
feature culling.xls
application/vnd.ms-excel
19K - last updated 2005-10-06 11:14 UTC by 7115
FIFOs
= Using a FIFO file to pipe = How can I communicate using a file? A FIFO file, also known as a named . . .
4K - last updated 2006-03-21 10:45 UTC by 7115
Finder shortcuts.pdf
application/pdf
49K - last updated 2017-01-31 12:35 UTC by 7115
Finder shortcuts.xlsx
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
15K - last updated 2017-01-31 12:34 UTC by 7115
Firewalling
= WARNING WORK IN PROGRESS = As a developer, you sometimes write software to listen to ports that need . . . package. I assume the server part of your application listens to TCP connections on port 9012 and . . . are two developers working on the client application, so there are two addresses (192.168.0.11 and . . .
2K - last updated 2008-11-28 08:14 UTC by 7115
Forking
= Start extra processes = Problem: how can I create multiple processes? The answer in the Unix world . . . (parent) process its variables. One application which nowadays immediately jumps to mind is . . .
4K - last updated 2006-10-10 09:54 UTC by bvankuik
fortune-ferengi.deb
application/deb
5K - last updated 2009-02-03 12:02 UTC by 7115
fortune-ferengi.tar.gz
application/x-gzip
5K - last updated 2009-02-03 12:01 UTC by 7115
fortune-hitchhiker.deb
application/x-archive
17K - last updated 2006-05-16 07:06 UTC by 7115
fortune-hitchhiker.tar.gz
application/x-gzip
16K - last updated 2006-05-16 07:08 UTC by 7115
git
= Starting on an existing project = When you start on a client project, you usually take the following . . . || ||svn revert <filename> (to throw modifications away) ||git checkout <filename> || ||svn revert . . .
4K - last updated 2020-02-17 19:00 UTC by 7115
Goodbye daddy
A father put his three year old daughter to bed, told her a story and listened to her prayers which she . . . of dawn to go to his office. He was nervous as a cat all day, had lunch sent in and watched the clock. . . .
2K - last updated 2005-10-06 13:16 UTC by 7115
google search.pl
application/x-perl
4K - last updated 2005-06-23 12:07 UTC by 7115
House pictures
[http://www.veilinghaven.nl/forum/read.php?9,536 26 juli 2006] [[Lijstje.jpg]] [[Cat]] [[Coffee]] . . .
1K - last updated 2010-01-04 09:42 UTC by 7115
ImageMagick
ImageMagick is an extremely useful piece of software. There are several interfaces (graphical, commandline . . . = Tiling = I often have a need to concatenate a number of images and create them as one . . .
3K - last updated 2025-04-04 08:51 UTC by bartvk
inputrc
application/octet-stream
1K - last updated 2006-03-08 10:11 UTC by 7115
Internationalization
== WARNING WORK IN PROGRESS == == "Geïrriteerd" == Are you a West-European software developer who: # . . . encodings. Suppose you have an online application which requires the user to fill in a bunch of . . . installation of [http://jakarta.apache.org/tomcat Tomcat]. Save an HTML file as Unicode, put some . . . in it and add a meta tag. Watch in horror as Tomcat sends an HTTP header saying your document is in . . . goes right 95% of the time. == About web applications == Let's talk some more about web applications, . . .
10K - last updated 2005-12-04 15:35 UTC by 7115
Java 1.5 new features Dutch.ppt
application/vnd.ms-powerpoint
158K - last updated 2005-03-18 21:18 UTC by 7115
Java 1.5 new features English.ppt
application/vnd.ms-powerpoint
188K - last updated 2005-03-18 21:17 UTC by 7115
Java links
* http://www.javapassion.com/ * EJBs: ** http://www.oracle.com/technology/tech/java/oc4j/htdocs/how-to-ejb-local-interfaces.html . . . Obfuscation and decompiling] . . .
1K - last updated 2005-07-15 07:02 UTC by 7115
Java Snippets
= Generate a unique number = import java.math.BigInteger; import java.rmi.server.UID; public class UniqueNumber . . . // an IP address is also fine } catch (UnknownHostException uhe) { System.out.println("The . . . host name was not valid"); } catch (NoRouteToHostException nrthe) { System.out.println("The . . . IP address was not valid"); } catch (ConnectException ce) { String msg = ce.getMessage(); . . . been part of the API): try { // Do stuff } catch (Exception e) { StringBuffer sb = new StringBuffer(); . . .
5K - last updated 2005-11-10 13:52 UTC by 7115
JavaSnippets
To do quick-'n'-dirty timing: boolean debug = true; long startTime = System.currentTimeMillis(); if (debug) . . . been part of the API): try { // Do stuff } catch (Exception e) { StringBuffer sb = new StringBuffer(); . . . { Thread.sleep(1000*20); // Sleep 20 seconds } catch (InterruptedException ie) { // Do nothing } runtime.append(d); . . . } catch (SQLException se) { runtime.append("-1"); } } . . .
3K - last updated 2005-03-14 10:40 UTC by 7115
JDeveloper on Linux
Here I'm listing some news, tips, problems and issues I found while running JDeveloper on Linux. For . . . and those use the hash mark as a comment indicator! JDeveloper happily downloads stuff from the . . . just as crappy as... well, as like any Java application running on my laptop while I have perfectly . . . a dead horse. Changing the fonts manually: * Locate your TrueType fonts directory. It can be found . . .
15K - last updated 2006-01-30 14:56 UTC by 7115
JFall 2004 proceedings
Na een lange periode van radiostilte is de Nederlandse Java User Group NL-JUG weer tot leven gebracht. . . . in de bossen van Wisconsin. Na deze simplificatie zijn de verantwoordelijkheden keurig gescheiden. . . . infrastructurele zaken zoals logging, authentication, performance testing, bepaalde vormen van input . . .
11K - last updated 2005-04-15 06:39 UTC by 7115
klad
Hub 1Gbit 8 poorten, € 65: * [http://tweakers.net/pricewatch/143584/3Com-3CGSU08-Gigabit-Switch-8-(8x1Gbps-RJ-45)-prijzen.html . . . 3com] * Kabel krimptang, € 45 Kabel cat6, 2x 100m = € 80 Fileserver [http://www.lacie.com/nl/products/product.htm?pid=10844 . . .
1K - last updated 2007-03-17 19:21 UTC by 7115
latex article skel.tar.gz
application/x-gzip
8K - last updated 2006-03-02 20:31 UTC by 7115
Linux
= System Administration = [[Remote_dump]] [[MD5sum]] [[Debian]] -- About apt-get, dpkg and other stuff . . . LVM [[Turn_off_beep]] [[Ticket_systems]] [[Colocation_and_ISPs]] [[Booting_over_the_network]] [[RPM]] . . .
2K - last updated 2012-09-14 07:24 UTC by 7115
Linux on a Dell D600
My employer issued a shiny brand-new Dell Latitude D600. Here, I'm listing any issues I had with this . . . palm area == The Dell D600 its harddisk is located right under the left hand palm area. Soon after . . . it in the removable bay where the CD/DVD is located. There are modules for that, but even on Ebay . . .
3K - last updated 2005-03-19 07:00 UTC by 7115
Linux on the Desktop
== Linux on the desktop for an Oracle consultant == Larry painted a powerful present and future for Linux, . . . the desktop-market. When talking about the first category, we can say that everything's fine. However, . . . when looking at the last category, there are some issues from the viewpoint . . . Microsoft Office == This is not really an application what we're talking about, but it's more a question . . . problem. So before an important and/or complicated document is sent to the customer, it is wise . . .
6K - last updated 2005-04-19 13:33 UTC by 7115
Long-running queries
To put a long-running query in the background, and keep refreshing your JSP until it's done, see below. . . . { Thread.sleep(1000*20); // Sleep 20 seconds } catch (InterruptedException ie) { // Do nothing } runtime.append(d); . . . } catch (SQLException se) { runtime.append("-1"); } } . . .
2K - last updated 2005-11-10 09:11 UTC by 7115
Makefile
application/octet-stream
1K - last updated 2006-03-17 06:24 UTC by 7115
Makefiles
= General programming information = In this section, we are going to look at the things which make up . . . The GNU C Library] * [http://www.oreilly.com/catalog/make2/ Managing projects with make] A very . . .
8K - last updated 2006-01-26 08:56 UTC by 7115
Multithreaded programming
= What is a thread? = A process in Unix is actually a running program with an address space. This space . . . (the fly is a thread). A multithreaded application could be seen as the same jar, but with more . . . a process can be seen as a single-threaded application. = Compiler issues = On Linux, you should compile . . . exiting. These resources will only be reallocated after a join by another thread. The opposite . . . containing something useful for the application. == WARNING this code is not finished yet, please . . .
9K - last updated 2007-07-11 12:20 UTC by bvankuik
MySQL
= Installation = Install as usual for your distribution. For Debian, this means: $ sudo apt-get install . . . 'add server'. Pay special attention to authentication and the database that was set above (tip: use . . . create a database user 'pmadb']. Then locate the create_tables script somewhere on disk (for . . .
8K - last updated 2023-01-30 09:45 UTC by bartvk
newsreportfromIraq.wmv
application/octet-stream
1780K - last updated 2005-10-26 06:01 UTC by 7115
nluug.doc
application/msword
19K - last updated 2007-11-12 06:41 UTC by 7115
Parsing and transforming RDF files in PLSQL
When you say 'XML', you'd probably also say 'Java' -- until now, because a stock Oracle database installation . . . the book of Steve Muench: http://www.oreilly.com/catalog/orxmlapp/ Steve is Oracle's 'XML evangelist'. . . .
15K - last updated 2005-03-19 06:57 UTC by 7115
pathrc
application/octet-stream
2K - last updated 2005-11-09 13:11 UTC by 7115
Perl
= Help = Help isn't far away: $ perldoc -f keyword = Parameters = Parameters (other word: arguments) . . . or die "Couldn't close: $!"; == Concatenating == To concatenate, use <tt>push</tt>: @arr1 . . . %conf2) { $conf{"$key"} = $conf2{"$key"}; } = Catching errors = A nice way to do error catching is . . . # so we can spot superfluous spaces } = Catch interrupt = A Perl script that catches CTRL-C/interrupt . . . roughly looks like the following: $SIG{'INT'} = 'catchsig2'; # # do something # exit(0); sub catchsig2 . . .
17K - last updated 2015-06-18 09:03 UTC by 7115
Piping
= Low-level piping with pipe() = = How can I create a pipe between two processes? = A pipe can be created . . . calls are interesting. int dup( int oldfd ) duplicates and connects a file descriptor on the lowest . . .
3K - last updated 2006-01-30 08:40 UTC by 7115
Printing to a Océ 8445
When working at client X, we have a big Océ 8445. If you're using RedHat Linux, just look up its hostname . . . the resulting PPD file you can enable some applications to give you an advanced print dialog. For example, . . . when printing from any of the OpenOffice applications! . . .
2K - last updated 2005-03-22 16:05 UTC by 7115
Programmable logic
= Basic steps = * VHDL or Verilog code, i.e. a "core" * Test using simulation * Set up input signal and . . . by Michael Barr * [http://www.netrino.com/Publications/ Other articles by Michael Barr and friends] . . .
1K - last updated 2006-07-30 07:57 UTC by 7115
pscp.exe
application/octet-stream
363K - last updated 2005-10-24 10:53 UTC by 7115
putty.exe
application/x-msdownload
557K - last updated 2005-10-21 11:34 UTC by 7115
Queuing Mechanisms
= Queuing Mechanisms = Even though I read it cover to cover, I regularly reread chapters of [http://www.pragmaticprogrammer.com/ . . . putting work on a message queue, and the application would listen to this queue so it knew what to . . . to this: ; Stability: this type of communication happens asynchronously. One of the sides doesn't . . . to upgrade parts of the installation or the application itself. ; Coupling: if your environment consists . . . for each, then this is a way of stringing applications together. ; Scaling: the producer puts stuff . . .
6K - last updated 2014-02-07 13:28 UTC by 7115
radio.zip
application/zip
3935K - last updated 2006-02-14 12:50 UTC by 7115
Random C snippets
= Completely read a file = To completely read a file into a string, see below. Warning: uses glibc-specific . . . 24); /* j is now 0xAA */ = Automatic string allocation = Use the <tt>asprintf()</tt> function to automatically . . . allocate memory for your strings. Note that this is very . . . segmentation faults because you forgot to allocate memory, or just didn't allocate enough. . . .
3K - last updated 2011-06-17 12:07 UTC by 7115
Random Linux Stuff
= Swap caps lock and Escape on the console = If you run Debian, add the following line to /etc/console-tools/remap: . . . = Export man pages to HTML = $ man -Hcat uubp > uubp.html = Mounting shares = To mount a . . .
4K - last updated 2007-05-03 07:47 UTC by bvankuik
Review Budget Dedicated
= Trial server = BudgetDedicated (hierna: BD) heeft een zogenaamde trial service. Zeer handig om kennis . . .
3K - last updated 2006-03-09 16:26 UTC by 7115
RFID
= Spatial data = Voor een breed begrip van RFID kijken we eerst naar spatial data -- locatie-gebonden . . . Daarnaast kunnen telefoonmaatschappijen een locatie peilen tot op vijftig meter nauwkeurig doordat . . . (zie verder) en tenslotte kan de applicatie een zogenaamde location mark bevatten, een bookmark . . . maar dan voor een locatie. Denk hierbij aan een simpele drop-down list . . . de gebruiker uit kan kiezen. = Databases = Om locatie-gerelateerde data op te slaan, hebben sommige . . .
6K - last updated 2005-09-05 11:07 UTC by 7115
RPM
= RPM = Finding to which package a file belongs: $ rpm -qif <filename> Seeing if a package is installed: . . . are never updated: exclude=kernel* = Verification = If you want to verify whether packages are . . . $ sudo rpm -Va You should run the verification of all packages as root, to avoid errors about . . . file '''S'''ize, the MD'''5''' sum and the modification '''T'''ime aren't as was described in the RPM . . .
4K - last updated 2008-11-14 09:16 UTC by 7115
RT
= Installation on Debian = Install apache, fastcgi, mysql ... from woody. libcgi-fast-perl libfcgi-perl . . . /home/rt/rt/share/html/NoAuth/images/ <Location /rt> AddDefaultCharset UTF-8 SetHandler fastcgi-script . . . </Location> That's a quick howto because I need to go to . . .
3K - last updated 2006-03-01 09:27 UTC by 7115
Screen
When you're ssh'ing to a specific remote server regularly, [http://www.gnu.org/software/screen/screen.html . . . on the last line is an '''s'''? This indicates that GNU Screen runs with root rights. Be careful . . . with this, there are some security implications. = Presetting windows = A useful feature of . . .
7K - last updated 2009-05-26 14:24 UTC by 7115
Shared libraries
Until now, we have linked statically. This means that when linking was done, every time we used one of . . . and the OS would point the program to the location of the (maybe only copy of the) function. To . . .
3K - last updated 2006-02-22 09:55 UTC by 7115
Shell tricks
= Shared accounts = Sometimes, you have to use shell accounts which are shared with other people. Of . . . the IFS internal variable: IFS=" "; for i in `cat filenames.txt` do echo "$i"; done; = Hostname in . . .
2K - last updated 2014-02-12 13:23 UTC by 7115
Shells for a particular purpose
When you're developing, it's sometimes really useful to peek into the logs on a (*nix) server. However, . . . contents: #!/bin/sh tail -100 -f /path/to/application_server.log The script should be set as a valid . . .
2K - last updated 2005-05-04 14:53 UTC by 7115
Signals
= What good is it using signals? = With signals we mean the "software interrupts" that you also send . . . int signum Of course the signal you want to catch. See signal.h for the list. const struct sigaction . . . < 0) { exit(1); } // Handler for notification. We assume there's a function defined that's . . . is superior, but there are still many applications around which use the signal() functionality. . . .
7K - last updated 2007-04-02 12:46 UTC by 7115
simple rss.pl
application/octet-stream
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Sockets
= Introduction in sockets = For communication over a network, almost every OS provides an API called . . . As can be seen from the illustration, your application only talks to the socket through a file descriptor; . . . the data and then closes the connection. Applications for this are WWW Browsers, FTP, telnet, etc. . . . puts an adress on every packet it sends. Applications like tftp, BOOTP and router messages use datagrams. . . . or ordering check has to be done by the application. == Protocol Family == The protocol family, . . .
11K - last updated 2007-08-13 14:58 UTC by bvankuik
Sockets NL
= Network IPC = Dit stukje probeert duidelijk te maken hoe je programma's over het netwerk kunnen communiceren . . . naar file descriptors en wat een API (Application Programmer's Interface) is. = Introductie in . . . sockets = Voor communicatie over het netwerk heeft bijna elk OS een API genaamd . . . = Principes van de Socket API = Een applicatie praat tegen de socket omdat hij een zogenaamde . . . set protocollen die worden gebruikt voor communicatie over het netwerk. Protocol families zijn bijvoorbeeld . . .
9K - last updated 2006-03-03 21:32 UTC by 7115
Sockets NL NL
Network IPC [ HOME ] Dit stukje probeert duidelijk te maken hoe je programma's over het netwerk kunnen . . . naar file descriptors en wat een API (Application Programmer's Interface) is. Introductie in sockets . . . Voor communicatie over het netwerk heeft bijna elk OS een API genaamd . . . definition with a namespace and manner of communicating, which in its turn connects to the protocol . . . dat de illustratie het duidelijk maakt: de applicatie praat tegen de socket omdat hij een zogenaamde . . .
12K - last updated 2006-02-22 09:42 UTC by 7115
Software RAID
= Testing and setting up RAID-1 = Install a minimal and configure with RAID-1, with a small RAID-1 partition . . . as follows. First check the attached drives: $ cat /proc/scsi/scsi Attached devices: Host: scsi0 Channel: . . . See if it came back: # cat /proc/scsi/scsi The result of the above command . . .
6K - last updated 2007-08-10 14:43 UTC by 7115
Source code version management
= How do I control my source code? = In the past, you may have had the problem that while working on . . . version, so you could track the changes and locate the bug. CVS (Concurrent Version control System) . . . is because although it is a little more complicated, it offers much more power. = Installing CVS . . . the binaries and man pages to the appropriate locations (you may want to check the makefile before . . . are needed here. Now choose an appropriate location for the cvsroot directory (where CVS does its . . .
5K - last updated 2006-03-03 21:10 UTC by 7115
SQL
= Oracle's decode in MySQL = I have an Oracle background where a decode instruction was never far away. . . . > 0 and length(note) > 0 then concat(description, ' Note: ', note) end ) . . .
1K - last updated 2007-10-30 13:59 UTC by 7115
sron ad jun 2006.pdf
application/pdf
3703K - last updated 2006-06-13 07:02 UTC by 7115
SSH
= Create a VNC tunnel to work = Suppose your home and organization's network looks like this: +-----Organization-Network-----+ . . . of keys that are authorized to log in here: '''cat id_dsa.pub >> .ssh/authorized_keys''' '''rm id_dsa.pub''' . . . not configured for public/private key authentication. Check for the following line in /etc/ssh/sshd_config: . . . PubkeyAuthentication yes = Automated logins = Sometimes it happens . . . Proxying = Besides tunneling each and every application, there's another way to pass traffic through . . .
7K - last updated 2008-11-14 09:17 UTC by 7115
std mingetty-1.00-1.i386.rpm
application/x-rpm
26K - last updated 2005-03-19 07:18 UTC by 7115
std mingetty-1.00-1.src.rpm
application/x-rpm
24K - last updated 2005-03-19 07:18 UTC by 7115
std mingetty-1.00.tar.gz
application/x-gzip
17K - last updated 2005-03-19 07:18 UTC by 7115
SVN
I've written about the differences between SVN and CVS and the usage of the plugins in Eclipse, see also . . . You'll see a whole list of modifications, additions, deletions and probably lots of . . . do not have local accounts, instead they authenticate via HTTP authentication. You need to take care . . . of rights via the dav_svn.conf file, located in the /etc/apache2 (or /etc/httpd) directory. . . . to SVN = Subversion has a couple of authentication backends, personally I use accounts separate . . .
17K - last updated 2014-04-11 10:18 UTC by 7115
System V Semaphores
= Controlling resources with semaphores = == Problem: how can I control access to resources? == Imagine . . . shared_var_sem is raised by one to indicate other processes are free to change shared_var. . . . a bit. Initially, PROD_SEM will be set to 1, indicating there is 1 place in the queue for a producer . . . do his job. The CONS_SEM will be set to 0, indicating there is currently no place for something to . . . use NULL instead. #define DONTCARE 0 /* to indicate that this parameter is ignored */ key_t n_sem_key . . .
18K - last updated 2007-08-07 09:20 UTC by bvankuik
System V shared memory
= Problem: how can I share memory between processes? = The fastest way of getting data from process A . . . are invented. Shared memory is not really complicated. What actually happens, is summarized in the . . . kernel persistent. So chances are that your application needs to take into account the fact that the . . . have been made: #define DONTCARE 0 /* to indicate that a parameter is ignored */ key_t shmem_key . . .
8K - last updated 2009-03-13 12:36 UTC by 7115
Telis
Current shortcomings of the software: * Only 16-bits values supported * Some settings can only be retrieved . . . don't support these * The tables are quite complicated and could be cleaned up * There could be automatically . . .
2K - last updated 2007-02-15 15:57 UTC by bvankuik
test.cgi
application/octet-stream
2K - last updated 2005-10-20 10:58 UTC by 7115
test
application/octet-stream
271K - last updated 2005-10-07 15:53 UTC by 7115
test cars.zip
application/zip
2K - last updated 2012-12-04 03:49 UTC by 7115
testenv.pl
application/x-perl
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testpackage.tar.gz
application/x-gzip
1K - last updated 2006-02-22 12:49 UTC by 7115
TestTableViewCellSizing.zip
application/zip
117K - last updated 2015-02-01 10:49 UTC by 7115
The technology behind Jini
= The technology behind Jini = What is Jini its trick? What are the principles behind the interface? . . . offers techniques to add, remove, change and locate services. It can reside in three places: in clients, . . . A lookup service is a central point of communication. When devices are connected to the network, . . . join and lookup. Discovery makes communication possible between devices and lookup services. . . . package. Through RMI (Remote Method Invocation) the lookup service sends an object called the . . .
8K - last updated 2005-10-16 19:05 UTC by 7115
They will find us
Rajiv and Mona are flying to Australia for a two-week vacation to celebrate their 40th anniversary. Suddenly, . . .
2K - last updated 2006-09-14 06:13 UTC by 7115
Tracking Issues
Have you ever logged a bug against an (open source) piece of software? Were you happy with the results? . . . bullets in them. Then, after a long list of duplicates, http://www.openoffice.org/issues/show_bug.cgi?id=31372 . . .
5K - last updated 2005-10-11 10:18 UTC by 7115
trust100.inf
application/octet-stream
35K - last updated 2005-03-12 17:26 UTC by 7115
trust100.inf Windows driver inf file
application/octet-stream
35K - last updated 2005-03-12 17:25 UTC by 7115
Trust Mobile Spycam 100
I got hold of a Trust Mobile Spycam 100, see also http://www.trust.com/12541. Of course, a driver for . . . Here are the USB specifications: [[usb_20.pdf]]. . . .
3K - last updated 2005-03-16 12:07 UTC by 7115
Turn off beep
To turn off the beep in several applications: For bash and other readline applications, create a new . . .
1K - last updated 2009-02-09 14:47 UTC by 7115
UML and JDeveloper
''Jethro Wallenburg en Bart van Kuik'' 3 februari 2003 == Introductie == Al een aantal jaren is het ontwikkelen . . . de normaalste zaak van de wereld. Om een OO-applicatie te modelleren, dient ook een modelleertaal gebruikt . . . negen soorten diagrammen, verdeeld in twee categorieen: vier diagramtypen geven de statische structuur . . . van de applicatie aan en vijf geven dynamisch gedrag aan. De eerste . . . categorie bevat het class diagram, object diagram, . . .
8K - last updated 2005-03-18 21:13 UTC by 7115
Unintelligible Requirements
; Mark: "When you have a requirement with which you don't yet know what the resulting changes are, you . . . buy licenses and consulting for database X, application server Y or whatever software Z. Then management . . .
4K - last updated 2006-03-02 19:19 UTC by 7115
unix bench xen budgetdedicated
BYTE UNIX Benchmarks (Version 4.0.1) System -- vankuik Start Benchmark Run: Wed Mar 8 11:44:14 CET 2006 . . .
3K - last updated 2006-03-15 11:47 UTC by 7115
Using AI for categorization
= AI systems for categorisation = The freeware [[FuzzyCOPE]] application is used to learn how fuzzy rules . . . property 2 is large, then the sample belongs to category 3". Note that FuzzyCOPE/3 runs on Linux using . . . is meant by ''fuzzy'', which is made too complicated all the time. It basically is a variation on . . . A fuzzy variable can partly be in a set, we indicate this with a number between 0 and 1 to indicate . . . the network. == The data == What we're trying to categorize here are flowers, and in particular three . . .
5K - last updated 2006-01-20 11:16 UTC by 7115
Using Screen
= THIS IS AN OLD VERSION = PLEASE CHECK THE MORE RECENT PAGE: [[Screen]]. When you're ssh'ing to a specific . . . on the last line is an '''s'''? This indicates that screen runs with root rights. Be careful . . . with this, there are some security implications. = Presetting windows = A useful feature of . . .
6K - last updated 2009-05-20 09:04 UTC by 7115
vankuik.nl
= Latest weblog entries = <journal 5> = Weblog Archive = [[Weblog_entries_2024]] [[Weblog_entries_2023]] . . . the possibilities; related to databases and application servers * [[Adjusting_Starfighter]] about jumping . . . * [[ImageMagick]] * [[OpenOffice]] * [[Colocation]] * [[Vim]] * [[Bookmarks]] * [[Quotes]] * [[Wet_Vorderen_Gegevens]] . . .
4K - last updated 2024-04-16 10:29 UTC by bartvk
veilinghavenkade bouwtek nr 64.pdf
application/pdf
512K - last updated 2006-09-25 08:11 UTC by 7115
Vim
[http://www.moolenaar.net/habits.html Tips from Bram], be sure to read them. = Interaction with X = Vim . . . debug1: Requesting X11 forwarding with authentication spoofing. ... * You used SSH with -X and X11 . . .
9K - last updated 2014-12-12 08:11 UTC by 7115
vimrc
application/octet-stream
4K - last updated 2006-04-27 14:26 UTC by 7115
Virtual interfaces
= WORK IN PROGRESS = == Client request == I want to test a very bad TCP/IP connection, how can I simulate . . . Sample chapter on Scapy]. [http://cateee.net/lkddb/web-lkddb/NET_SCH_NETEM.html Network . . . useful to simulate networks when testing applications or protocols. . . .
2K - last updated 2008-12-15 08:33 UTC by 7115
Wet Vorderen Gegevens
= Intro = Op 1 januari 2006 treden de nieuwe "Bevoegdheden vorderen gegevens" in werking. Een goed tijdstip . . . medewerker zo'n verzoek administreren? Identificatie van politiemensen? = Wat verandert er per 2006 . . .
2K - last updated 2005-12-16 09:02 UTC by 7115
Why men are happier
Why ARE Men Happier? Makes sense to me. Men Are Just Happier People-- What do you expect from such simple . . . flat. You know stuff about tanks. A five-day vacation requires only one suitcase. You can open all . . .
2K - last updated 2005-05-19 12:35 UTC by 7115
Windows
= Essential software = [[winscp2.exe]] [[putty.exe]] [[pscp.exe]] [http://sourceforge.net/projects/eraser/ . . . is the equivalent of the process's page file allocation, since shared pages by their nature are already . . . on the underlying OS. Before comapring application memory usage across platforms, you need to be . . .
3K - last updated 2010-02-17 21:00 UTC by 7115
Windows driver inf file
application/octet-stream
35K - last updated 2005-03-12 17:24 UTC by 7115
winscp2.exe
application/x-msdownload
1552K - last updated 2005-10-21 11:33 UTC by 7115
X11
= Running an X11 program on your display under another user = Suppose you're logged in as '''user1''' . . . keys work that some keyboards have: # Catch keycodes with xev # Map keycodes to functions . . .
3K - last updated 2014-04-30 13:40 UTC by 7115
Xcode
= Xcode in general = If you get a weird error, first always try to restart Xcode. = Debugging = Some . . . is your stacktrace, and Xcode failed to ''symbolicate'' it. Add a breakpoint for all exceptions. In . . . Running Your Application with Diagnostics]. I've encountered the following . . . them both to the variable, for example you allocated it in the init method, then created a new instance . . . else * the autorelease pool kicked in and deallocated the object; you have to retain it explicitly . . .
3K - last updated 2012-10-02 00:05 UTC by 7115
Xen
= Tips = == Mounting == If you do a straight install of CentOS to an image with <tt>virt-manager</tt>, . . . zero out the disk inside the VPS: # ionice -c3 cat /dev/zero > zero.file;rm zero.file Shutdown the . . .
3K - last updated 2011-09-29 09:58 UTC by 7115
zabbix agentd.conf
application/octet-stream
5K - last updated 2007-06-22 06:24 UTC by 7115
254 pages found.
