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isset() and empty() - what to use
...er something is set or not use isset.
Empty checks if the variable is set and if it is it checks it for null, "", 0, etc
Isset just checks if is it set, it could be anything not null
With empty, the following things are considered empty:
"" (an empty string)
0 (0 as an integer)
0.0 (0 as a floa...
What is the difference between std::array and std::vector? When do you use one over other? [duplicat
What is the difference between std::array and std::vector ? When do you use one over other?
6 Answers
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How do I pass a string into subprocess.Popen (using the stdin argument)?
...hing
other than None in the result tuple,
you need to give stdout=PIPE and/or
stderr=PIPE too.
Replacing os.popen*
pipe = os.popen(cmd, 'w', bufsize)
# ==>
pipe = Popen(cmd, shell=True, bufsize=bufsize, stdin=PIPE).stdin
Warning Use communicate() rather than
stdin....
Return 0 if field is null in MySQL
... @MarkByers can you show why Kevin's example in the comment is wrong and what it should actually be?
– Michael
Aug 10 '16 at 13:44
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'git' is not recognized as an internal or external command
...ve an installation of Git for Windows, but when I try to use the git command in Command Prompt, I get the following error:
...
How do I measure execution time of a command on the Windows command line?
Is there a built-in way to measure execution time of a command on the Windows command line?
30 Answers
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Imitating a blink tag with CSS3 animations
..., it's much simpier. You can add webkit prefix to get it working in Chrome and Safari.
– m93a
Apr 15 '13 at 18:31
2
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Gradle, Android and the ANDROID_HOME SDK location
...
In
/my_current_project/
I've created a file called local.properties and put inside
sdk.dir=/my_current_path_to/sdk
In the console I need to do
set ANDROID_HOME=/my_current_path_to/sdk
Hope this helps.
shar...
Where does Visual Studio look for C++ header files?
...a copy of a C++ application from SourceForge (HoboCopy, if you're curious) and tried to compile it.
6 Answers
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Compare two objects in Java with possible null values
...Why not just change the String types to Objects - making it more generic? And then it is the same as what you will get if you move to Java 7.
– Tom
Nov 7 '13 at 18:31
3
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