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Why is there no Constant feature in Java?

...Java language specification regards const as a reserved keyword — i.e., one that cannot be used as variable identifier — but assigns no semantics to it. It is thought that the reservation of the keyword occurred to allow for an extension of the Java language to include C++-style const methods a...
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Why do C++ libraries and frameworks never use smart pointers?

...ibrary at compile time, so you rely on the stability of their interfaces alone, not of their implementations. But because of the lack of standard ABI, you generally cannot pass these objects safely across module boundaries. A GCC shared_ptr is probably different from an MSVC shared_ptr, which too c...
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Apply function to all elements of collection through LINQ [duplicate]

...to add your own ForEach generic method on IEnumerable<T>. Here's the one we've got in MoreLINQ: public static void ForEach<T>(this IEnumerable<T> source, Action<T> action) { source.ThrowIfNull("source"); action.ThrowIfNull("action"); foreach (T element in source)...
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Make HTML5 video poster be same size as video itself

Does anyone know how to resize the HTML5 video poster such that it fits the exact dimensions of the video itself? 13 Answer...
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Google Chrome redirecting localhost to https

...rmanent solution, but will at least get it working between projects. If anyone knows how to permanently exclude localhost from the HSTS list please let me know :) UPDATE - November 2017 Chrome has recently moved this setting to sit under Delete domain security policies UPDATE - December 2017 If...
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Good NumericUpDown equivalent in WPF? [closed]

...is seems to be another lacking control in WPF. There must be some existing ones out there and I don't like to re-invent the wheel. ...
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Distributed sequence number generation?

...me). True sequence numbers imply knowledge of what all other workers have done, and as such require shared state. There is no easy way of doing this in a distributed, high-scale manner. You could look into things like network broadcasts, windowed ranges for each worker, and distributed hash tables f...
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Is passing 'this' in a method call accepted practice in java

...ive answer to such a question is always easier to argument), I just opened one of the most common java.lang classes, the String one, and of course I found instances of this use, for example 1084 // Argument is a String 1085 if (cs.equals(this)) 1086 return true; Look for ...
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What is the difference between RegExp’s exec() function and String’s match() function?

... I have something to add to this answer, one should not place the regular expression literal within the while condition, like this while(match = /[^\/]+/g.exec('/a/b/c/d') or it will create a infinite loop!. As it's clearly stated in the MDN developer.mozilla.org/en...
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SQL Joins Vs SQL Subqueries (Performance)?

... subquery, so for every row in main query, subquery executes but in second one the subquery only executes one time and this way performance improved. – Ali Faradjpour Apr 5 '19 at 10:42 ...