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How to count occurrences of a column value efficiently in SQL?
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edited Oct 1 '09 at 16:38
answered Oct 1 '09 at 13:30
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There can be only one auto column
... of a composite key?
– Nubcake
Sep 20 '17 at 18:13
What is the syntax when altering the table?
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Why should Java ThreadLocal variables be static
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answered May 6 '10 at 20:01
AffeAffe
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What are commit-ish and tree-ish in Git?
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The Short Answer (TL;DR)
Here's a complete list of commit-ish and tree-ish identifiers (from th...
I want to exception handle 'list index out of range.'
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answered Aug 10 '12 at 13:17
ThiefMasterThiefMaster
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Is there YAML syntax for sharing part of a list or map?
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kittemonkittemon
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What makes Lisp macros so special?
...le syntax for a common case. The line
divisibleByTwo = [x for x in range(10) if x % 2 == 0]
yields a list containing all even numbers between 0 and 9. Back in the Python 1.5 days there was no such syntax; you'd use something more like this:
divisibleByTwo = []
for x in range( 10 ):
if x % 2 ...
angular.min.js.map not found, what is it exactly?
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Jussi KosunenJussi Kosunen
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Converting PKCS#12 certificate into PEM using OpenSSL
...cs12 -in path.p12 -out newfile.crt.pem -clcerts -nokeys -passin 'pass:P@s5w0rD'
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RegEx: Smallest possible match or nongreedy match
... without matching unless absolutely necessary, use something like (?:blah){0,1}?. For a repeating match (either using {n,} or {n,m} syntax) append a question mark to try to match as few as possible (e.g. {3,}? or {5,7}?).
The documentation on regular expression quantifiers may also be helpful.
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