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Fastest way to check if a file exist using standard C++/C++11/C?

... == 0); } Results for total time to run the 100,000 calls averaged over 5 runs, Method exists_test0 (ifstream): **0.485s** Method exists_test1 (FILE fopen): **0.302s** Method exists_test2 (posix access()): **0.202s** Method exists_test3 (posix stat()): **0.134s** The stat() function provided t...
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Create a tag in a GitHub repository

... 1590 You can create tags for GitHub by either using: the Git command line, or GitHub's web interf...
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How can I confirm a database is Oracle & what version it is using SQL?

... All versions of Oracle I have ever used. I can't speak for Oracle 5.0 and before! – Tony Andrews Sep 19 '08 at 15:49 1 ...
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Understanding generators in Python

...certain common types of generators: >>> g = (n for n in range(3, 5)) >>> next(g) 3 >>> next(g) 4 >>> next(g) Traceback (most recent call last): File "<stdin>", line 1, in <module> StopIteration Note that generator expressions are much like list co...
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How can I access and process nested objects, arrays or JSON?

...y elements can only be accessed using bracket notation: const value = arr[5]; // arr.5 would be a syntax error // property name / index as variable const x = 5; const value = arr[x]; Wait... what about JSON? JSON is a textual representation of data, just like XML, YAML, CSV, and others. To work...
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How to calculate date difference in JavaScript?

... answered Oct 14 '11 at 5:14 icktoofayicktoofay 114k1717 gold badges222222 silver badges220220 bronze badges ...
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How to convert string to boolean php

... answered Sep 7 '11 at 15:55 GordonMGordonM 28.2k1515 gold badges7373 silver badges122122 bronze badges ...
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How do I use itertools.groupby()?

... | edited Jul 29 at 20:57 Seanny123 5,70277 gold badges4949 silver badges100100 bronze badges answere...
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Problems with lib-icu dependency when installing Symfony 2.3.x via Composer

...xtension, that's where the icu error comes from! sudo aptitude install php5-intl // i.e. ubuntu brew install icu4c // osx check the extension is enabled and properly configured in php.ini aswell. ( hint: php-cli sometimes uses a different php.ini ) ...
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dyld: Library not loaded … Reason: Image not found

... /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 65.1.0) /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 169.3.0) and for each libboost_xxx.dylib, do: $ install_name_tool -change @executable_path/libboost_something.dylib /opt/local/lib/lib...