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Is there any advantage of using map over unordered_map in case of trivial keys?

...(1) vs. O(log n) ). Most times I use a map, I use either int or std::string as the key type; hence, I've got no problems with the definition of the hash function. The more I thought about it, the more I came to realize that I can't find any reason of using a std::map over a std::unordered_...
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Why do we need a pure virtual destructor in C++?

...meter(const N_Configuration::Parameter& aParam); std::map<std::string, std::string> m_Parameters; }; struct NumericsParams : IParams { NumericsParams(const ModelConfiguration& aNumericsConf); virtual ~NumericsParams(); double dt() const; double ti() const; do...
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wait() or sleep() function in jquery?

... There is an function, but it's extra: http://docs.jquery.com/Cookbook/wait This little snippet allows you to wait: $.fn.wait = function(time, type) { time = time || 1000; type = type || "fx"; return this.queue(type, function() { var s...
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What's the best CRLF (carriage return, line feed) handling strategy with Git?

...[ Optional ] set core.safecrlf to true (to stop) or warn (to sing:) to add extra guard comparing if the reversed newline transformation would result in the same file git config --global core.safecrlf true B. Or per Repository Setup 1) Convert all to one format find . -type f -not -path "./.gi...
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What is the difference between D3 and jQuery?

...y update the page with the new content. It's real nice to not have all the extra overhead like jquery, backbone + its plugins, angular, etc. You only need to know d3. Now d3 doesn't have a routing system baked into it. But you can always find one. Jquery on the other hand, it's sole purpose is to w...
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Prevent body scrolling but allow overlay scrolling

...ts from being scrollable, too. Have not found any solution so far (without extra plugIns) – Garavani Sep 4 '14 at 7:12 22 ...
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Where to learn about VS debugger 'magic names'

... above 264 are used for temporaries involving the fixed statement fixing a string. Special compiler-generated names are generated for: 1 --> the iterator state ("state") 2 --> the value of current in an iterator ("current") 3 --> a saved parameter in an iterator 4 --> a hoisted 'this' ...
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mongoose vs mongodb (nodejs modules/extensions), which better? and why?

...mething like mongooseInstace.model('MyCollection', { "_id": Number, "xyz": String }) it's better to do (even though the collection name is really MyCollection): mongooseInstace.model('mycollection', { "_id": Number, "xyz": String }) But honestly, it's really useful. The biggest issue is the docume...
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Why does Python use 'magic methods'?

...lable, an object implements a method, def __len__(self) , and then it is called when you write len(obj) . 7 Answers ...
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Datatables: Cannot read property 'mData' of undefined

... There was extra <td> on my <tbody> when i removed it woked!! thanks a lot – Dipen Jul 22 '15 at 6:26 3 ...