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Checking for the correct number of arguments
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#!/bin/sh
if [ "$#" -ne 1 ] || ! [ -d "$1" ]; then
echo "Usage: $0 DIRECTORY" >&2
exit 1
fi
Translation: If number of arguments is not (numerically) equal to 1 or the first argument is not a directory, output usage to stderr and exit with a failure status code.
More friendly er...
How to fix error with xml2-config not found when installing PHP from sources?
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edited Nov 20 '14 at 17:42
radtek
23.5k88 gold badges121121 silver badges9191 bronze badges
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How do I adjust the anchor point of a CALayer, when Auto Layout is being used?
... apply this transform to a view:
v.transform = CGAffineTransformMakeScale(0.5,0.5);
I expect to see the view appear with its center in the same place as before and at half the size. But depending on its constraints, that may not be what I see at all.
[Actually, there's a second surprise here: ap...
format date with moment.js
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Jonathan LonowskiJonathan Lonowski
108k3131 gold badges188188 silver badges191191 bronze badges
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Regular expression for a string containing one word but not another
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answered Jun 1 '10 at 20:26
KobiKobi
121k3939 gold badges240240 silver badges276276 bronze badges
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Start thread with member function
...he syntax described above is defined in terms of the INVOKE definition (§20.8.2.1):
Define INVOKE (f, t1, t2, ..., tN) as follows:
(t1.*f)(t2, ..., tN) when f is a pointer to a member function of a class T and t1 is an object of type T or a reference to an object of
type T or a refer...
WPF Auto height in code
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Mar 17 '10 at 0:26
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jquery append to front/top of list
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250
$("ul").prepend("<li>ONE</li>");
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Adding console.log to every function automatically
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answered Feb 17 '11 at 21:06
WayneWayne
55.3k1313 gold badges120120 silver badges118118 bronze badges
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std::function vs template
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answered Feb 3 '13 at 22:50
Andy ProwlAndy Prowl
111k1818 gold badges348348 silver badges430430 bronze badges
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