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Quickly create a large file on a Linux system
...p harddrive.
– lxgr
Dec 5 '11 at 12:32
21
fallocate is exactly what I was looking for.
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Calling dynamic function with dynamic number of parameters [duplicate]
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beat me to it :) developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/… for more detailed documentation
– cobbal
Mar 24 '09 at 9:57
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How can I quantify difference between two images?
...ead images as 2D arrays (convert to grayscale for simplicity)
img1 = to_grayscale(imread(file1).astype(float))
img2 = to_grayscale(imread(file2).astype(float))
# compare
n_m, n_0 = compare_images(img1, img2)
print "Manhattan norm:", n_m, "/ per pixel:", n_m/img1.size
print "Z...
Location Services not working in iOS 8
... check whether the user is running iOS 8 or iOS 7. For example:
#define IS_OS_8_OR_LATER ([[[UIDevice currentDevice] systemVersion] floatValue] >= 8.0)
//In ViewDidLoad
if(IS_OS_8_OR_LATER) {
[self.locationManager requestAlwaysAuthorization];
}
[self.locationManager startUpdatingLocation];
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Which Java Collection should I use?
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edited Aug 19 at 7:32
answered May 21 '14 at 13:51
H...
Get the current git hash in a Python script
... Yuji 'Tomita' TomitaYuji 'Tomita' Tomita
100k2323 gold badges259259 silver badges224224 bronze badges
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Getting the last argument passed to a shell script
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The simplest answer for bash 3.0 or greater is
_last=${!#} # *indirect reference* to the $# variable
# or
_last=$BASH_ARGV # official built-in (but takes more typing :)
That's it.
$ cat lastarg
#!/bin/bash
# echo the last arg given:
_last=${!#}
echo $_last
_last...
Visual Studio 64 bit?
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Daniel Compton
10.1k44 gold badges3232 silver badges5454 bronze badges
answered Mar 25 '10 at 14:45
JoeyJoey
304...
Relative URL to a different port number in a hyperlink?
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edited Nov 23 '18 at 20:32
Community♦
111 silver badge
answered May 16 '11 at 10:56
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How to define a circle shape in an Android XML drawable file?
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answered Aug 11 '11 at 17:32
goosemanjackgoosemanjack
91288 silver badges77 bronze badges
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