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List vs tuple, when to use each? [duplicate]
...issue mentioned in the other answers. Mutability has teeth to it (you actually can't change a tuple), while homogeneity is not enforced, and so seems to be a much less interesting distinction.
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comparing 2 strings alphabetically for sorting purposes
I'm trying to compare 2 strings alphabetically for sorting purposes. For example I want to have a boolean check like if('aaaa' < 'ab') . I tried it, but it's not giving me correct results, so I guess that's not the right syntax. How do I do this in jquery or Javascript?
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Get the correct week number of a given date
...ation: "ISO 8601 Week of Year format in Microsoft .Net"
Simply put, .Net allow weeks to be split across years while the ISO standard does not.
In the article there is also a simple function to get the correct ISO 8601 week number for the last week of the year.
Update The following method actually...
What's the difference between “Architectures” and “Valid Architectures” in Xcode Build Settings?
...ALID_ARCHS = armv6 armv7 armv7s, but you set ARCHS = armv7s because that's all you actually want to build with your code.
Or, in Apple-ese:
ARCHS (Architectures)
Space-separated list of identifiers. Specifies the architectures (ABIs, processor models) to which the binary is targeted. When ...
Read whole ASCII file into C++ std::string [duplicate]
...pdate: Turns out that this method, while following STL idioms well, is actually surprisingly inefficient! Don't do this with large files. (See: http://insanecoding.blogspot.com/2011/11/how-to-read-in-file-in-c.html)
You can make a streambuf iterator out of the file and initialize the string with it...
Clear Text Selection with JavaScript
... window.getSelection().empty();
} else if (window.getSelection().removeAllRanges) { // Firefox
window.getSelection().removeAllRanges();
}
} else if (document.selection) { // IE?
document.selection.empty();
}
Credit to Mr. Y.
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What's the difference between “git reset” and “git checkout”?
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git reset is specifically about updating the index, moving the HEAD.
git checkout is about updating the working tree (to the index or the specified tree). It will update the HEAD only if you checkout a branch (if not, you end up with a detached H...
Is C++ context-free or context-sensitive?
... is (probably) Turing-complete, since it shows a program which is syntactically correct if and only if a given integer is prime.
So I assert that C++ is neither context-free nor context-sensitive.
If you allow arbitrary symbol sequences on both sides of any production, you produce an Type-0 gramma...
Auto-expanding layout with Qt-Designer
... QVBoxLayout should now stretch to fit the window and will resize automatically when the entire window is resized.
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Function to return only alpha-numeric characters from string?
...ake an input string and return a sanitized version of it by stripping away all special characters leaving only alpha-numeric.
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