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Getting URL hash location, and using it in jQuery

...te that this property already contains the # symbol at the beginning. Actually you don't need the :first pseudo-selector since you are using the ID selector, is assumed that IDs are unique within the DOM. In case you want to get the hash from an URL string, you can use the String.substring method:...
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Why not infer template parameter from constructor?

... This is actually a great point which I never considered. I don't see any way around the fact that the pointer would have to be type specific (i.e. it would have to be MyClass<string>* pm). If that's the case, then all you would end...
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Why do we use Base64?

...omputing. Computers communicate in binary - 0s and 1s - but people typically want to communicate with more rich forms data such as text or images. In order to transfer this data between computers it first has to be encoded into 0s and 1s, sent, then decoded again. To take text as an example - the...
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Git: Find the most recent common ancestor of two branches

...ed Acyclic Graph, and yet it's often thought of as a tree, which it technically is not. To be more careful in my wording, I was talking about the case where you want the parent of the first instance of the "branches" diverging... since they may have multiple points where they re-merged and re-split...
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What is a 'Closure'?

... scope When you declare a local variable, that variable has a scope. Generally, local variables exist only within the block or function in which you declare them. function() { var a = 1; console.log(a); // works } console.log(a); // fails If I try to access a local variable, most languag...
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bool operator ++ and --

... and 2 or more [true]). So as a short-hand ++ worked, and -- didn't. ++ is allowed on bools for compatibility with this, but its use is deprecated in the standard and it was removed in C++17. This assumes that I only use x as an boolean, meaning that overflow can't happen until I've done ++ often e...
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Converting between strings and ArrayBuffers

...ly converting JavaScript strings to ArrayBuffers and vice-versa? Specifically, I'd like to be able to write the contents of an ArrayBuffer to localStorage and to read it back. ...
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Where should I put tags in HTML markup?

...ace to put the <script> tags and included JavaScript? I seem to recall that you are not supposed to place these in the <head> section, but placing at the beginning of the <body> section is bad, too, since the JavaScript will have to be parsed before the page is rendered compl...
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Is an array name a pointer?

..., which is not implicitly convertible to int*. This way, functions can actually take pointers to arrays of specific size, and enforce the restriction via the type system. – Pavel Minaev Oct 29 '09 at 7:25 ...
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Java's final vs. C++'s const

...1 code final isn't a keyword in the usual way. (Take the trivial, legal C++98 example struct final; to see why making it a keyword would break code) share | improve this answer | ...