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Using try vs if in python
... faster if exceptions really are exceptional. If result is None more than 50 % of the time, then using if is probably better.
To support this with a few measurements:
>>> import timeit
>>> timeit.timeit(setup="a=1;b=1", stmt="a/b") # no error checking
0.06379691968322732
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Difference between ProcessBuilder and Runtime.exec()
...ms).start();
– gal
Jul 28 '11 at 9:50
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Default visibility for C# classes and members (fields, methods, etc.)?
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answered Sep 21 '10 at 19:15
OdedOded
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How to send commands when opening a tmux session inside another tmux session?
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207
The send-prefix command can be used to send your prefix keystroke to (the process running in) t...
What are all the possible values for HTTP “Content-Type” header?
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answered Feb 9 '18 at 10:55
lebarillierlebarillier
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Prevent redirection of Xmlhttprequest
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102
Not according to the W3C standard for the XMLHttpRequest object (emphasis added):
If the re...
Scrolling down both parts of a split-window at the same time in Vim
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90
See the documentation for scroll-binding. You'll need to set this for each window that you want ...
How to change to an older version of Node.js
I am running Node.js version v0.5.9-pre on Ubuntu 10.10.
15 Answers
15
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PostgreSQL - max number of parameters in “IN” clause?
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According to the source code located here, starting at line 850, PostgreSQL doesn't explicitly limit the number of arguments.
The following is a code comment from line 870:
/*
* We try to generate a ScalarArrayOpExpr from IN/NOT IN, but this is only
* possible if the inputs are all ...
SQL selecting rows by most recent date
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edited Oct 9 '08 at 21:55
Adam Pierce
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