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Command substitution: backticks or dollar sign / paren enclosed? [duplicate]
... forms in one script would make that script less likely to be portable: In order for the script to work properly, the shell that's executing it has to support BOTH forms, not just one form or the other.
For making a shell script understandable, I'd personally prefer sticking to one form or the othe...
MySQL/SQL: Group by date only on a Datetime column
...ed date_format
SELECT date
FROM blog
GROUP BY DATE_FORMAT(date, "%m-%y")
ORDER BY YEAR(date) DESC, MONTH(date) DESC
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Android Use Done button on Keyboard to click button
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You can use this one also (sets a special listener to be called when an action is performed on the EditText), it works both for DONE and RETURN:
max.setOnEditorActionListener(new OnEditorActionListener() {
@Override
public boolean onEditorAction(TextView v, int acti...
Visual Studio 2012 Express is suddenly “incompatible with this version of Windows”?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Run a string as a command within a Bash script
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eval is an evil command in all programming languages so use it with caution.
– Krishnadas PC
Jul 17 '18 at 6:50
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How can I programmatically determine if my app is running in the iphone simulator?
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Already asked, but with a very different title.
What #defines are set up by Xcode when compiling for iPhone
I'll repeat my answer from there:
It's in the SDK docs under "Compiling source code conditionally"
The relevant definition is TARGET_OS_SIMULATOR, which is defined in /usr/include/TargetC...
Min/Max of dates in an array?
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@RobG - What do you mean by "string dates"?
– Andrew D.
Aug 22 '11 at 13:46
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Auto increment primary key in SQL Server Management Studio 2012
... This solution is the correct one if you care about the time order of inserted rows, because IDENTITY sometimes jumps leaving gaps then it is back to fill those gaps again. So IDENTITY does not guarantee ALWAYS incrmenet condition
– FindOut_Quran
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Is it a good practice to use try-except-else in Python?
...o, the use of exceptions in Python does not slow the surrounding code and calling code as it does in some compiled languages (i.e. CPython already implements code for exception checking at every step, regardless of whether you actually use exceptions or not).
In other words, your understanding that...
How to replace local branch with remote branch entirely in Git?
...contents of master. So if you're on e.g. a feature-branch, it will replace all its commits with master, so make sure you've checked out the branch you're replacing first.
– Zoltán
Jul 15 '16 at 8:29
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