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Determine if variable is defined in Python [duplicate]
...ime? This is not always obvious because (1) the variable could be conditionally set, and (2) the variable could be conditionally deleted. I'm looking for something like defined() in Perl or isset() in PHP or defined? in Ruby.
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How to get first 5 characters from string [duplicate]
How to get first 5 characters from string using php
5 Answers
5
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How to remove a package from Laravel using composer?
...following command will remove the package from vendor (or wherever you install packages), composer.json and composer.lock. Change vendor/package appropriately.
composer remove vendor/package
Obviously you'll need to remove references to that package within your app.
I'm currently running the ...
Is there a REAL performance difference between INT and VARCHAR primary keys?
... and a coworker won't budge on the INT AUTO_INCREMENT as a primary key for all tables.
14 Answers
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Not receiving Google OAuth refresh token
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You need access_type=offline in all cases when you want the refresh_token.
– DanH
Jan 16 '13 at 3:07
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How can I output leading zeros in Ruby?
...but similar formating functions are available in perl, ruby, python, java, php, etc.
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Using module 'subprocess' with timeout
...that contains command's merged stdout, stderr data.
check_output raises CalledProcessError on non-zero exit status as specified in the question's text unlike proc.communicate() method.
I've removed shell=True because it is often used unnecessarily. You can always add it back if cmd indeed requir...
What's the difference between isset() and array_key_exists()? [duplicate]
How do the following two function calls compare:
8 Answers
8
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Function to return only alpha-numeric characters from string?
...ake an input string and return a sanitized version of it by stripping away all special characters leaving only alpha-numeric.
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Loop code for each file in a directory [duplicate]
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Is the $files variable used to avoid calling scandir() more than once in the foreach loop? Or can I embed it directly without any side effects?
– Zero3
May 10 '15 at 15:57
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