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Tracking the script execution time in PHP

..."; echo "It spent " . rutime($ru, $rustart, "stime") . " ms in system calls\n"; Note that you don't need to calculate a difference if you are spawning a php instance for every test. share | im...
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Rails: Adding an index after adding column

...ble ? – user1611830 Apr 8 '13 at 14:32 3 Yes you can do that, but you will have to edit that migr...
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How can I uninstall an application using PowerShell?

... $app = Get-WmiObject -Class Win32_Product | Where-Object { $_.Name -match "Software Name" } $app.Uninstall() Edit: Rob found another way to do it with the Filter parameter: $app = Get-WmiObject -Class Win32_Product ` -Filter ...
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Why would you use String.Equals over ==? [duplicate]

I recently was introduced to a large codebase and noticed all string comparisons are done using String.Equals() instead of == ...
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Python memory usage of numpy arrays

... The field nbytes will give you the size in bytes of all the elements of the array in a numpy.array: size_in_bytes = my_numpy_array.nbytes Notice that this does not measures "non-element attributes of the array object" so the actual size in bytes can be a few bytes larger th...
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Redis command to get all available keys?

Is there a Redis command for fetching all keys in the database? I have seen some python-redis libraries fetching them. But was wondering if it is possible from redis-client. ...
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Is there a simple way to convert C++ enum to string?

... +1, GCCXML looks very nice! (Although I almost -1ed as I initially misread this as a suggestion to use the above verbose XML syntax to encode your enum -- a solution which reeks of overengineering!) – j_random_hacker Mar 12 '09 at 9:46 ...
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Best practice for Python assert

... To be able to automatically throw an error when x become less than zero throughout the function. You can use class descriptors. Here is an example: class LessThanZeroException(Exception): pass class variable(object): def __init__(self, va...
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Build Android Studio app via command line

... Android Studio automatically creates a Gradle wrapper in the root of your project, which is how it invokes Gradle. The wrapper is basically a script that calls through to the actual Gradle binary and allows you to keep Gradle up to date, which makes...
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The constant cannot be marked static

...n the referenced assembly changes, your assembly will still have the originally compiled-in value. If this behavior is not acceptable, then you should consider making the field a public static readonly field. Lib.dll, provided as binary: public class Foo { public const int HATS = 42; publ...