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Measuring elapsed time with the Time module

... start_time = time.time() # your code elapsed_time = time.time() - start_time You can also write simple decorator to simplify measurement of execution time of various functions: import time from functools import wraps PROF_DATA...
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How do I run all Python unit tests in a directory?

...t contains my Python unit tests. Each unit test module is of the form test_*.py . I am attempting to make a file called all_test.py that will, you guessed it, run all files in the aforementioned test form and return the result. I have tried two methods so far; both have failed. I will show the tw...
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How to check iOS version?

... /* * System Versioning Preprocessor Macros */ #define SYSTEM_VERSION_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame) #define SYSTEM_VERSION_GREATER_THAN(v) ([[[UIDevice currentDevice] systemVersi...
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uint8_t vs unsigned char

What is the advantage of using uint8_t over unsigned char in C? 8 Answers 8 ...
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Rename all files in directory from $filename_h to $filename_half?

... Just use bash, no need to call external commands. for file in *_h.png do mv "$file" "${file/_h.png/_half.png}" done Do not add #!/bin/sh For those that need that one-liner: for file in *.png; do mv "$file" "${file/_h.png/_half.png}"; done ...
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What is the difference between join and merge in Pandas?

...andas as pd left = pd.DataFrame({'key': ['foo', 'bar'], 'val': [1, 2]}).set_index('key') right = pd.DataFrame({'key': ['foo', 'bar'], 'val': [4, 5]}).set_index('key') left.join(right, lsuffix='_l', rsuffix='_r') val_l val_r key foo 1 4 bar 2 5 The same functi...
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pretty-print JSON using JavaScript

...or sure) and not HTML. Output can be seen inside console. You can edit the _variables inside the function adding some more styling. function JSONstringify(json) { if (typeof json != 'string') { json = JSON.stringify(json, undefined, '\t'); } var arr = [], _stri...
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How do I create a copy of an object in PHP?

...an be seen from this example: $a = new stdClass; $b =& $a; $a = 42; var_export($b); here $b is a reference to the variable $a; if you replace =& with a normal =, it is not a reference, and still points to the original object. – IMSoP Jun 16 '13 at 21:14...
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Where in a virtualenv does the custom code go?

...our packages right inside: /foobar /bin {activate, activate.py, easy_install, python} /include {python2.6/...} /lib {python2.6/...} /mypackage1 __init__.py /mypackage2 __init__.py The advantage of this approach is that you can always be sure to find find the activate...
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Get URL query string parameters

... $_SERVER['QUERY_STRING'] contains the data that you are looking for. DOCUMENTATION php.net: $_SERVER - Manual share | ...