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Length of an integer in Python
...always convert it to string like str(133) and find its length like len(str(123)).
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Java: Multiple class declarations in one file
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My suggested name for this technique (including multiple top-level classes in a single source ...
Difference between 2 dates in SQLite
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SELECT julianday('now') - julianday(DateCreated) FROM Payment;
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How to prevent SIGPIPEs (or handle them properly)
...use signal handlers in C have many restrictions on what they can do.
The most portable way to do this is to set the SIGPIPE handler to SIG_IGN. This will prevent any socket or pipe write from causing a SIGPIPE signal.
To ignore the SIGPIPE signal, use the following code:
signal(SIGPIPE, SIG_IGN)...
When do I use the PHP constant “PHP_EOL”?
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Yes, PHP_EOL is ostensibly used to find the newline character in a cross-platform-compatible way, so it handles DOS/Unix issues.
Note that PHP_EOL represents the endline character for the current system. For instance, it will not find a Win...
Sphinx autodoc is not automatic enough
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Where are you supposed to output the files to? I tried outputting them to Sphinx's default _build folder, but running sphinx-build -b html . ./_build doesn't pick them up.
– Cerin
Jan 6 '11 at 18:13
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Fastest way(s) to move the cursor on a terminal command line?
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Since this hasn't been closed yet, here are a few more options.
Use Ctrl+x followed by Ctrl+e to open the current line in the editor specified by $FCEDIT or $EDITOR or emacs (tried in that order).
If you ran the command earlier, hit Ctrl+r for a re...
CSS vertical alignment of inline/inline-block elements
...dle; // Align children to middle of line
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See: http://jsfiddle.net/dfmx123/TFPx8/1186/
NOTE: vertical-align is relative to the current text line, not the full height of the parent div. If you wanted the parent div to be taller and still have the elements vertically centered, set the div's line-...
invalid command code ., despite escaping periods, using sed
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If you are on a OS X, this probably has nothing to do with the sed command. On the OSX version of sed, the -i option expects an extension argument so your command is actually parsed as the extension argument and the file path is interpreted ...
Hibernate Criteria returns children multiple times with FetchType.EAGER
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Even if you do understand the following explanation, you might well complain about this behaviour on the Hibernate forum, because it is fl...