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What is the python “with” statement designed for?
...or row in lines:
with open("outfile","a") as f:
f.write(row)
vs
with open("outfile","a") as f:
for row in lines:
f.write(row)
The first way is opening and closing the file for each row which may cause performance problems compared to the second way with opens and closes ...
Should I index a bit field in SQL Server?
...ows with 50/50 distribution, it might buy you very little performance gain vs. keeping the index up to date.
The reason everyone says to test is because SQL contains a very clever and complex optimizer that may ignore an index if it decides table scanning is faster, or may use a sort, or may organi...
Which MySQL data type to use for storing boolean values
...rt to comply with convention and slightly less computation overhead (logic vs exact value) I would say BIT is the better way to go.
– zamnuts
Aug 13 '12 at 19:28
63
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Find out what process registered a global hotkey? (Windows API)
...ading the community edition of Visual Studio at visualstudio.microsoft.com/vs/community (I cannot edit the answer myself ...)
– Oscar Scholten
Sep 19 at 13:38
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Is .NET/Mono or Java the better choice for cross-platform development? [closed]
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– Kjetil Ødegaard
Mar 9 '09 at 11:27
21
@Kjetil: Mono is not an MS product.
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JSON and XML comparison [closed]
...e eval'd to be parsed.
– Yay295
Jan 27 '17 at 18:29
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Storing Images in DB - Yea or Nay?
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community wiki
6 revs, 4 users 64%Mark Harrison
33
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HTML select form with option to enter custom value
...d to set a default value. The user only sees the default in the drop down vs. all the options (because they are filtered out). They would need to know to clear the input field before seeing all the options.
– Justin
Jul 17 '18 at 11:06
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What's the difference between lists and tuples?
... e.g. "Python Tuples are Not Just Constant Lists" or "Understanding tuples vs. lists in Python". The official Python documentation also mentions this
"Tuples are immutable, and usually contain an heterogeneous sequence ...".
In a statically typed language like Haskell the values in a tuple gen...
How line ending conversions work with git core.autocrlf between different operating systems
...mmit)
– donquixote
Sep 20 '14 at 20:27
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