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Enable access control on simple HTTP server

...ever create a simple HTTP server yourself, using most of SimpleHTTPRequestHandler, and just add that desired header. For that, simply create a file simple-cors-http-server.py (or whatever) and, depending on the Python version you are using, put one of the following codes inside. Then you can do py...
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Java code To convert byte to Hexadecimal

...g.format solution more preferrable. References JLS 4.2.1 Integral Types and Values For byte, from -128 to 127, inclusive JLS 5.1.2 Widening Primitive Conversion share | improve this answer ...
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Is the order of iterating through std::map known (and guaranteed by the standard)?

...te from std::map::begin() to std::map::end() using a for , does the standard guarantee that I'll iterate consequently through the elements with keys, sorted in ascending order? ...
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iOS Safari – How to disable overscroll but allow scrollable divs to scroll normally?

I'm working on an iPad-based web app, and need to prevent overscrolling so that it seems less like a web page. I'm currently using this to freeze the viewport and disable overscroll: ...
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400 vs 422 response to POST of data

...est HTTP/1.1 status code for your use case. At the time of your question (and my original answer), RFC 7231 was not a thing; at which point I objected to 400 Bad Request because RFC 2616 said (with emphasis mine): The request could not be understood by the server due to malformed syntax. and ...
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How to implement Android Pull-to-Refresh

In Android applications such as Twitter (official app), when you encounter a ListView, you can pull it down (and it will bounce back when released) to refresh the content. ...
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Why do some claim that Java's implementation of generics is bad?

...gie - in .NET a List<byte> really is backed by a byte[] for example, and no boxing is required) Syntax for calling generic methods sucks (IMO) Syntax for constraints can get confusing Wildcarding is generally confusing Various restrictions due to the above - casting etc Good: Wildcarding a...
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Cast Double to Integer in Java

...ger, so the cast won't work. Note the difference between the Double class and the double primitive. Also note that a Double is a Number, so it has the method intValue, which you can use to get the value as a primitive int. ...
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Is it expensive to use try-catch blocks even if an exception is never thrown?

...rown, it now does a relatively expensive operation of walking up the stack and seeing if any try blocks exist that would catch this exception. From a layman's perspective, try may as well be free. It's actually throwing the exception that costs you - but unless you're throwing hundreds or thousands ...
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Are SVG parameters such as 'xmlns' and 'version' needed?

... so you can always drop that. If you embed your SVG inline in a HTML page and serve that page as text/html then xmlns attributes are not required. Embedding SVG inline in HTML documents is a fairly recent innovation that came along as part of HTML5. If however you serve your page as image/svg+xml ...