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Using getopts to process long and short command line options
... ; exit 1 ; fi
# Note the quotes around `$TEMP': they are essential!
eval set -- "$TEMP"
VERBOSE=false
DEBUG=false
MEMORY=
DEBUGFILE=
JAVA_MISC_OPT=
while true; do
case "$1" in
-v | --verbose ) VERBOSE=true; shift ;;
-d | --debug ) DEBUG=true; shift ;;
-m | --memory ) MEMORY="$2"; sh...
Start / Stop a Windows Service from a non-Administrator user account
... give the command or run the code is a non-Admin account, then you need to set the privileges to that particular user account so it has the ability to start and stop Windows Services. This is how you do it.
Login to an Administrator account on the computer which has the non-Admin account from which ...
vim, switching between files rapidly using vanilla Vim (no plugins)
...t they get the job done without much dependencies.
Juggling with files
set path=.,**
nnoremap <leader>f :find *
nnoremap <leader>s :sfind *
nnoremap <leader>v :vert sfind *
nnoremap <leader>t :tabfind *
:find is a truly great command as soon as you set path correctly. W...
How do you run a crontab in Cygwin on Windows?
...
You need to also install cygrunsrv so you can set cron up as a windows service, then run cron-config.
If you want the cron jobs to send email of any output you'll also need to install either exim or ssmtp (before running cron-config.)
See /usr/share/doc/Cygwin/cron-*.R...
What is the use of the %n format specifier in C?
...
void authorizeUser( char * username, char * password){
...code here setting authorized to false...
printf(username);
if ( authorized ) {
giveControl(username);
}
}
where a malicious user could take advantage of the username parameter getting passed into printf as the f...
What is the most useful script you've written for everyday life? [closed]
...
Super remote reset button.
A rack of super special simulation hardware (backin the days when a room full of VME crates did less than your GPU) that a user on the other side of the world would crash in the early hours of the morning. It took...
live output from subprocess command
...ded a (non-None) value for stdout, and even then, it is only needed if you set stdout=subprocess.PIPE. (Otherwise you can just provide the same argument you provided for stdout, e.g., Popen(..., stdout=stream, stderr=stream).)
The easiest cases (no pipes)
If you redirect nothing (leave all three...
What does the exclamation mark mean in a Haskell declaration?
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
Windows batch: echo without new line
...
Using set and the /p parameter you can echo without newline:
C:\> echo Hello World
Hello World
C:\> echo|set /p="Hello World"
Hello World
C:\>
Source
...
What is the point of function pointers?
I have trouble seeing the utility of function pointers. I guess it may be useful in some cases (they exist, after all), but I can't think of a case where it's better or unavoidable to use a function pointer.
...