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How to get overall CPU usage (e.g. 57%) on Linux [closed]
...ke a look at cat /proc/stat
grep 'cpu ' /proc/stat | awk '{usage=($2+$4)*100/($2+$4+$5)} END {print usage "%"}'
EDIT please read comments before copy-paste this or using this for any serious work. This was not tested nor used, it's an idea for people who do not want to install a utility or for so...
Best way to check if a URL is valid
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305
You can use a native Filter Validator
filter_var($url, FILTER_VALIDATE_URL);
Validates va...
Reload the path in PowerShell
...mpenmpen
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Learning Regular Expressions [closed]
... It's the same conceptually as the really big character class [-.?+%$A-Za-z0-9...].
Think of character classes as menus: pick just one.
Helpful shortcuts
Using . can save you lots of typing, and there are other shortcuts for common patterns. Say you want to match a digit: one way to write that is...
Any difference between First Class Function and High Order Function
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answered Apr 13 '12 at 13:07
zoulzoul
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LINQ where vs takewhile
... Neuron
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answered Feb 17 '11 at 16:37
Albin SunnanboAlbin Sunnanbo
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How can I dynamically create a selector at runtime with Objective-C?
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180
I'm not an Objective-C programmer, merely a sympathizer, but maybe NSSelectorFromString is what ...
How to convert number to words in java
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107
Here is the code, I don't think there is any method in SE.
It basically converts number to str...
Find the nth occurrence of substring in a string
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answered Dec 10 '09 at 21:26
bobincebobince
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adb update a non-market apk?
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answered Mar 10 '10 at 8:17
Vidar VestnesVidar Vestnes
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