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What is the difference between a shim and a polyfill?

... A shim is any piece of code that performs interception of an API call and provides a layer of abstraction. It isn't necessarily restricted to a web application or HTML5/CSS3. A polyfill is a type of shim that retrofits legacy browse...
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HTTP headers in Websockets client API

...ders to your websocket client with any HTTP header client which supports this, but I can't find how to do it with the JSON API. ...
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When should you not use virtual destructors?

Is there ever a good reason to not declare a virtual destructor for a class? When should you specifically avoid writing one? ...
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When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?

...mory with certain patterns such as 0xCD and 0xDD . What I want to know is when and why this happens. 9 Answers ...
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Is it better to specify source files with GLOB or each file individually in CMake?

CMake offers several ways to specify the source files for a target. One is to use globbing ( documentation ), for example: ...
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What are the file limits in Git (number and size)?

... This message from Linus himself can help you with some other limits [...] CVS, ie it really ends up being pretty much oriented to a "one file at a time" model. Which is nice in that you can have a million files, and ...
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Split a string by spaces — preserving quoted substrings — in Python

I have a string which is like this: 16 Answers 16 ...
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~x + ~y == ~(x + y) is always false?

Does this code always evaluate to false? Both variables are two's complement signed ints. 11 Answers ...
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How can I make a weak protocol reference in 'pure' Swift (without @objc)

weak references don't seem to work in Swift unless a protocol is declared as @objc , which I don't want in a pure Swift app. ...
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Express.js: how to get remote client address

...headers['x-forwarded-for'] || req.connection.remoteAddress; If the proxy isn't 'yours', I wouldn't trust the 'x-forwarded-for' header, because it can be spoofed. share | improve this answer ...