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How to identify whether a file is normal file or directory
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If you're just stepping through a set of directories you might be better just to try os.chdir and give an error/warning if it fails:
import os,sys
for DirName in sys.argv[1:]:
SaveDir = os.getcwd()
try:
os.chdir(DirName)
print "Change...
Postgres: Distinct but only for one column
...SELECT DISTINCT ON ( expression [, ...] ) keeps only the first row of each set of rows where the given expressions evaluate to equal. The DISTINCT ON expressions are interpreted using the same rules as for ORDER BY (see above). Note that the “first row” of each set is unpredictable unless ORDER ...
Is it possible to get the iOS 5.1 SDK for Xcode 4.2 on Snow Leopard?
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I followed both Richard Groves and @dklt's set of instructions. It did not work. But I fired the scripts given in this link and it worked like a charm
– Vaishnavi Naidu
Apr 3 '12 at 13:55
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Can my enums have friendly names? [duplicate]
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Answer by Thomas Levesque should be set as the accepted answer.
– nivs1978
Feb 27 at 13:04
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When is null or undefined used in JavaScript? [duplicate]
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Great point; you can set undefined to a value accidentally and not get any useful errors for tracking down where it came from.
– Dmitry
Nov 6 '16 at 4:36
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How can I calculate the number of lines changed between two commits in git?
Is there any easy way to calculate the number of lines changed between two commits in git?
11 Answers
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CRON job to run on the last day of the month
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Set up a cron job to run on the first day of the month. Then change the system's clock to be one day ahead.
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How to turn off CodeLens-References
...only way to undock a window after it's been docked. Turning off CodeLens resets the popup windows. Maddening. Your tip saved some of my sanity.
– Suncat2000
Nov 18 '19 at 22:42
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What is the most effective way to get the index of an iterator of an std::vector?
I'm iterating over a vector and need the index the iterator is currently pointing at. AFAIK this can be done in two ways:
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How do I free my port 80 on localhost Windows?
I installed XAMPP 1.6.8 and for some reason it didn't work. Later realized port 80 is not free or not listening. How can I release it or make it free?
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