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How can I add a help method to a shell script?
...always be the first option ($1) then the simplest solution is an if with a test ([). For example:
if [ "$1" == "-h" ] ; then
echo "Usage: `basename $0` [-h]"
exit 0
fi
Note that for posix compatibility = will work as well as ==.
Why quote $1?
The reason the $1 needs to be enclosed in qu...
NumPy or Pandas: Keeping array type as integer while having a NaN value
... in every reasonable place checking that the two are in sync. After enough testing you can let go of the floats.
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Replacements for switch statement in Python?
...ly as leaving off the break statement, but you can have a more complicated test. Its formatting is nicer than a series of nested ifs, even though functionally that's what it is closer to.
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How to create a JavaScript callback for knowing when an image is loaded?
... setTimeout(function(){
logo.src = 'https://edmullen.net/test/rc.jpg';
}, 5000);
};
<html>
<head>
<title>Image onload()</title>
</head>
<body>
<img src="#" alt="This image is going to load" i...
Load different colorscheme when using vimdiff
...d magenta, which white text shows up much better on.
You can give a quick test by doing something like this:
vimdiff <file1> <file2>
:set t_Co? " print current setting (256 by default)
:highlight " print highlighting scheme
:set t_Co=16 " set to 16 colors
:highlight " print h...
Get JSF managed bean by name in any Servlet related class
...old information out there. @McDowell: That actually makes sense. I'll do a test just to see what happens.
– James P.
Apr 14 '10 at 0:01
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Two color borders
...
padding: 1px;
background: yellow;
border:1px solid black;
}
TEST(JSFiddle):
img {
padding: 1px;
background: yellow;
border: 1px solid black;
}
<img src="http://cdn3.thumbs.common.smcloud.net/common/8/6/s/863444wpPN.jpg/r-0,500-n-863444wpPN.jpg" alt="malkovich" />...
Ways to implement data versioning in MongoDB
...
I've done some testing and indeed the space reservation works pretty well. I wasn't able to catch the performance loss when the records were reallocated to the end of the data file.
– Piotr Czapla
Nov ...
Formatting Phone Numbers in PHP
...'/\D/', '', $out)) return false;
return $out;
}
And here's the script to test it:
$numbers = [
'3334444',
'2223334444',
'12223334444',
'12223334444x5555',
'333-4444',
'(222)333-4444',
'+1 222-333-4444',
'1-222-333-4444ext555',
'cell: (222) 333-4444',
'(222) 333-4444 (cell)',
];
foreach($numbers ...
Detect home button press in android
...
check the accepted answer, it is possible. Not tested on many devices yet though.
– Dean Wild
Jan 16 '12 at 17:31
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