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Echo tab characters in bash script
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Do you happen to know, why echo -e does not work from Makefiles?
– dma_k
Oct 17 '10 at 0:01
24
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How do I get Gridview to render THEAD?
... GridView control to render the <thead> <tbody> tags? I know .UseAccessibleHeaders makes it put <th> instead of <td> , but I cant get the <thead> to appear.
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[ :Unexpected operator in shell programming [duplicate]
... This answer is partially wrong. The fully correct one is the now top-voted by Nietzche-jou. sh supports [. == works in Bash built-ins [[, test and [ while a single = is required by POSIX version of [ and test. (Bash manual says the same, BTW.) Requiring Bash because of this is needless...
Format date and time in a Windows batch script
...ss"') do set datetime=%%a
move "%oldfile%" "backup-%datetime%"
Of course nowadays PowerShell is always installed, but on Windows XP you'll probably only want to use this technique if your batch script is being used in a known environment where you know PS is available (or check in your batch file ...
Modern way to filter STL container?
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@gsimard Better now?
– L. F.
Apr 6 at 3:05
1
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When should I use nil and NULL in Objective-C?
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This accepted answer fails to acknowledge that [NSNull null] is a very different beast. To quote from NSNull Class Reference, "The NSNull class defines a singleton object used to represent null values in collection objects (which don’t allow nil values)." ...
How can we access context of an application in Robolectric?
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For the latest Robolectric 4.3 as of right now in 2019 `
ShadowApplication.getInstance()
` and
Roboletric.application
are both depricated. So I am using
Context context = RuntimeEnvironment.systemContext;
to get Context.
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How to check if a process id (PID) exists
...s -p $PID > /dev/null
then
echo "$PID is running"
# Do something knowing the pid exists, i.e. the process with $PID is running
fi
The problem with:
kill -0 $PID
is the exit code will be non-zero even if the pid is running and you dont have permission to kill it. For example:
kill -0 1...
Closing Database Connections in Java
..., conn may be null depending on where the code breaks. That's why this is known as the "safe" pattern.
– Pascal Thivent
Feb 8 '10 at 22:53
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Any way to break if statement in PHP?
...t an elseif on each failed test. This is exactly what I was searching for, now my code is KISS and DRY compliant :) Thanks!
– s3v3n
Jul 24 '12 at 15:26
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