bugfixed ‘find lowest subprocess’
It turns out there’s a bug, due primarily to testing on zsh and putting the script into bash. function find_lowest_subprocess() { local -i parent=$1 local pids typeset -a pids pids=($(pgrep -P...
View ArticleWhere’s the SDK, huh?
I’m just wondering when Apple will be shipping the SDK for the ipod touch/iphone. Just being nosey really. I’ve veered away from jailbreaking it simply because I don’t want to end up with an expensive...
View ArticleWhile beauty may be skin deep
Ugly cuts to the bone… Over at Coding Horror, young Jeff is complaining about the abuse of the words ‘Beautiful Code‘ wherein the best example of an essay that is in the book is from Yukihiro...
View ArticleCheap and cheerful pwait for linux
#!/bin/bash -p if [ $# -eq 0 ]; then echo "Usage: $(basename $0) " 1>&2 exit 1 fi while [ -d /proc/$1 ]; do sleep 0.5; done If I implemented it using inotify, I presume I can get rid of the...
View Articlesignal versus sigaction
the use of the signal(int signum, void (*handler)(int)) is a smidgin dangerous on various operating systems. Under Solaris, for example once the signal has been delivered to the process the signal...
View ArticleConsistency checking a block device
I’ve been testing the resizing of the drives located on a Dell MD3000, and i’ve seen errors when resizing after the 2TB mark. This is on the new firmware which supports > 2TB logical drives. I wrote...
View Articlebash pip-isms or right hand side of pipe variables
Unlike my default shell (zsh), bash has a wonderful feature where it doesn’t keep variables that are set at the other end of a pipe, so for example: i= cat foo | while read bar; do i=$bar done echo...
View ArticleMajor.Minor.Micro – or we can only do so much
When you release a piece of software into the world, then you expect there to be problems. That’s where release number taxonomies come from. Firstly, let’s define things. There is the Major number....
View ArticleProgrammatically changing environment variables in Windows
It’s not difficult to set environment variable in Windows. System level variables are stored in HKLM/System/CurrentControlSet/Control/Session Manager/Environment. User level variables are stored in...
View ArticleIs that a password in your pocket…
I’ve seen it again and again… a developer wants to access some restricted data over the internet in a client application, but is unwilling to use a per-user login to access the data. As a result, they...
View ArticleThere is a reason that it gets called an interface.
I’ve been writing commercial software since 1996. Since then the Microsoft API for WIN32 has been extended to support the 64bit platform, but most of everything I learned while writing to that platform...
View ArticleWhere’s the SDK, huh?
I’m just wondering when Apple will be shipping the SDK for the ipod touch/iphone. Just being nosey really. I’ve veered away from jailbreaking it simply because I don’t want to end up with an expensive...
View ArticleWhile beauty may be skin deep
Ugly cuts to the bone… Over at Coding Horror, young Jeff is complaining about the abuse of the words ‘Beautiful Code‘ wherein the best example of an essay that is in the book is from Yukihiro...
View ArticleCheap and cheerful pwait for linux
#!/bin/bash -p if [ $# -eq 0 ]; then echo "Usage: $(basename $0) " 1>&2 exit 1 fi while [ -d /proc/$1 ]; do sleep 0.5; done If I implemented it using inotify, I presume I can get rid of the...
View Articlesignal versus sigaction
the use of the signal(int signum, void (*handler)(int)) is a smidgin dangerous on various operating systems. Under Solaris, for example once the signal has been delivered to the process the signal...
View ArticleConsistency checking a block device
I’ve been testing the resizing of the drives located on a Dell MD3000, and i’ve seen errors when resizing after the 2TB mark. This is on the new firmware which supports > 2TB logical drives. I wrote...
View Articlebash pip-isms or right hand side of pipe variables
Unlike my default shell (zsh), bash has a wonderful feature where it doesn’t keep variables that are set at the other end of a pipe, so for example: i= cat foo | while read bar; do i=$bar done echo...
View ArticleMajor.Minor.Micro – or we can only do so much
When you release a piece of software into the world, then you expect there to be problems. That’s where release number taxonomies come from. Firstly, let’s define things. There is the Major number....
View ArticleProgrammatically changing environment variables in Windows
It’s not difficult to set environment variable in Windows. System level variables are stored in HKLM/System/CurrentControlSet/Control/Session Manager/Environment. User level variables are stored in...
View ArticleIs that a password in your pocket…
I’ve seen it again and again… a developer wants to access some restricted data over the internet in a client application, but is unwilling to use a per-user login to access the data. As a result, they...
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