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Why does string::compare return an int?
Why does string::compare return an int instead of a smaller type like short or char ? My understanding is that this method only returns -1, 0 or 1.
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Is there a difference between copy initialization and direct initialization?
... expression is initialized to (loosely speaking) in C++17. These objects (called "result objects") are the variables created by a declaration (like a1), artificial objects created when the initialization ends up being discarded, or if an object is needed for reference binding (like, in A_factory_fun...
Remove HTML tags from a String
...tags against a customizable whitelist, which is very useful if you want to allow only e.g. <b>, <i> and <u>.
See also:
RegEx match open tags except XHTML self-contained tags
What are the pros and cons of the leading Java HTML parsers?
XSS prevention in JSP/Servlet web application
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Why doesn't c++ have &&= or ||= for booleans?
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all the more reason to have &&= in my opinion. =P
– Kache
Mar 21 '10 at 20:19
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Reduce, fold or scan (Left/Right)?
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In general, all 6 fold functions apply a binary operator to each element of a collection. The result of each step is passed on to the next step (as input to one of the binary operator's two arguments). This way we can cumulate a result.
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How to “properly” print a list?
...mylist)))
Both return:
[x, 3, b]
This is using the map() function to call str for each element of mylist, creating a new list of strings that is then joined into one string with str.join(). Then, the % string formatting operator substitutes the string in instead of %s in "[%s]".
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Tool to Unminify / Decompress JavaScript [closed]
...iderMonkey and Rhino you can wrap any code into an anonymous function and call its toSource method, which will give you a nicely formatted source of the function.
toSource also strips comments.
E. g.:
(function () { /* Say hello. */ var x = 'Hello!'; print(x); }).toSource()
Will be converted to...
jquery IDs with spaces
... so Elliot's answer helps tremendously, whereas glavic's offers no help at all.
– daybreaker
Jun 27 '11 at 18:59
Thank...
How to find the kth smallest element in the union of two sorted arrays?
...the demonstration you can use the loop invariant i + j = k, but I won't do all your homework :)
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Why is there no logical xor in JavaScript?
...r. Mainly because it's not useful. Bitwise XOR is extremely useful, but in all my years of programming I have never needed a logical XOR.
If you have two boolean variables you can mimic XOR with:
if (a != b)
With two arbitrary variables you could use ! to coerce them to boolean values and then u...