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How to call erase with a reverse iterator
...This code works, but please explain why next is used and how is it safe to cast a forward iterator to a reverse iterator without the world collapsing
– Lefteris E
Mar 23 at 12:13
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How can I remove a trailing newline?
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Try the method rstrip() (see doc Python 2 and Python 3)
>>> 'test string\n'.rstrip()
'test string'
Python's rstrip() method strips all kinds of trailing whitespace by default, not just one newline as Perl does with chomp.
>>> 'test string \n \r\...
Finding Number of Cores in Java
...r of available processors should therefore occasionally poll this property and adjust their resource usage appropriately." source
– JW.
Jun 16 '12 at 9:38
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Nested using statements in C#
... Well they are all the same type if they are all IDisposable perhaps a cast would work?
– jpierson
Jan 17 '12 at 17:43
8
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Can we define implicit conversions of enums in c#?
...'t need to use an enum just for the sake of it. You either put an explicit cast or just write a static class with const ints.
– Trap
Feb 8 '14 at 0:56
3
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performSelector may cause a leak because its selector is unknown
...od, but will not always match exactly.
Once you have the IMP, you need to cast it to a function pointer that includes all of the details that ARC needs (including the two implicit hidden arguments self and _cmd of every Objective-C method call). This is handled in the third line (the (void *) on th...
Getting name of windows computer running python script?
...s cries out for a follow-up: what's the difference between platform.node() and socket.gethostname() ? can they ever be different?
– Jason S
Mar 11 '11 at 22:52
4
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Focus-follows-mouse (plus auto-raise) on Mac OS X
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You can do it for Terminal.app by issuing the following command at the command line:
defaults write com.apple.Terminal FocusFollowsMouse -bool true
For X11 apps you can do this:
defaults write com.apple.x11 wm_ffm -bool true
In Snow Leopard, use this instead:
defaults write org...
How do I get the name of the active user via the command line in OS X?
How do I get the name of the active user via the command line in OS X?
12 Answers
12
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php - get numeric index of associative array
...a)));
You will always get 0, which is wrong, so the solution would be to cast the index (if you use a variable) to a string like this:
$ind = 0;
echo array_search((string)$ind, array_map("strval", array_keys($a)));
share...