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Run cron job only if it isn't already running
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121
I do this for a print spooler program that I wrote, it's just a shell script:
#!/bin/sh
if ps ...
How to change the remote a branch is tracking?
...tch:
git branch branch_name -u your_new_remote/branch_name
Using git v1.7.12 or earlier:
git branch --set-upstream branch_name your_new_remote/branch_name
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Redis: Show database size/size for keys
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112
So my solution to my own problem: After playing around with redis-cli a bit longer I found out t...
Declaration of Methods should be Compatible with Parent Methods in PHP
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128
childClass::customMethod() has different arguments, or a different access level (public/private...
Position absolute but relative to parent
... position: relative;
}
#son1 {
position: absolute;
top: 0;
}
#son2 {
position: absolute;
bottom: 0;
}
This works because position: absolute means something like "use top, right, bottom, left to position yourself in relation to the nearest ancestor who has position: absolute or posi...
Android SDK location
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ChrisChris
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30
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Can you “compile” PHP code and upload a binary-ish file, which will just be run by the byte code int
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236
After this question was asked, Facebook launched HipHop for PHP which is probably the best-tes...
Filtering a list of strings based on contents
...in k]
['ab', 'abc']
Another way is to use the filter function. In Python 2:
>>> filter(lambda k: 'ab' in k, lst)
['ab', 'abc']
In Python 3, it returns an iterator instead of a list, but you can cast it:
>>> list(filter(lambda k: 'ab' in k, lst))
['ab', 'abc']
Though it's be...
How to set working/current directory in Vim?
...e info.
– falstro
Feb 18 '10 at 14:12
3
I'm trying to figure out what the %:h means, any help?
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how to fire event on file select
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128
Use the change event on the file input.
$("#file").change(function(){
//submit the f...