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Safely override C++ virtual functions

... want to override that function in a derived class. Is there some way to make the compiler check if the function I declared in the derived class actually overrides a function in the base class? I would like to add some macro or something that ensures that I didn't accidentally declare a new function...
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Among $_REQUEST, $_GET and $_POST which one is the fastest?

... $_REQUEST, by default, contains the contents of $_GET, $_POST and $_COOKIE. But it's only a default, which depends on variables_order ; and not sure you want to work with cookies. If I had to choose, I would probably not use $_REQUEST, and I would choose $_GET or $_POST -- depending on what m...
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How to initialize std::vector from C-style array?

... Pavel MinaevPavel Minaev 92.6k2525 gold badges205205 silver badges278278 bronze badges ...
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Auto reloading python Flask app upon code changes

...-order structures to get in my way, my choice fell on the lightweight Flask framework . Time will tell if this was the right choice. ...
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How to print out a variable in makefile

In my makefile, I have a variable 'NDK_PROJECT_PATH', my question is how can I print it out when it compiles? 15 Answers ...
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How can I simulate an anchor click via jquery?

I have a problem with faking an anchor click via jQuery: Why does my thickbox appear the first time I click on the input button, but not the second or third time? ...
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What are some (concrete) use-cases for metaclasses?

I have a friend who likes to use metaclasses, and regularly offers them as a solution. 19 Answers ...
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Editing dictionary values in a foreach loop

...er" - which invalidates the iterator, and any iterator associated with the keys or values collection. I do see your point, but at the same time it would be odd if the values collection could change mid-iteration - and for simplicity there's only one version number. The normal way of fixing this so...
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Easy way to prevent Heroku idling?

In the Heroku free apps the dynos seem to keep idling - my app has very low traffic but it's also not really acceptable in my case that my users have to wait 20+ seconds to spin up a new dyno. ...
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Face recognition Library [closed]

I'm looking for a free face recognition library for a university project. I'm not looking for face detection . I'm looking for actual recognition. That means finding images that contain specified faces or libraries that calculate distances between specific faces. ...