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What's the scope of a variable initialized in an if statement?
...ked only at runtime -- that is, when you get to the print x statement. If __name__ didn't equal "__main__" then you would get an exception: NameError: name 'x' is not defined.
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Scala best way of turning a Collection into a Map-by-key?
...Traversable[V].mapBy( V => K) were better!
– oxbow_lakes
Jul 14 '10 at 21:17
7
Be aware that t...
Reload .profile in bash shell script (in unix)?
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Trying to add adb to PATH variable OSX
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Check if an element is present in an array [duplicate]
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How do I include related model fields using Django Rest Framework?
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How to export data as CSV format from SQL Server using sqlcmd?
... The caveat with doing it this way is that your data may not contain any commas.
– Sarel Botha
Oct 30 '12 at 16:57
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How to verify if a file exists in a batch file?
...ing
)
If you do not need an "else", you can do something like this:
set __myVariable=
IF EXIST "C:\folder with space\myfile.txt" set __myVariable=C:\folder with space\myfile.txt
IF EXIST "C:\some other folder with space\myfile.txt" set __myVariable=C:\some other folder with space\myfile.txt
set _...
Are global variables in PHP considered bad practice? If so, why?
...les aren't really global in PHP. The scope of a typical PHP program is one HTTP request. Session variables actually have a wider scope than PHP "global" variables because they typically encompass many HTTP requests.
Often (always?) you can call member functions in methods like preg_replace_callback...
Best way to check if a Data Table has a null value in it
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