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What is the purpose of double curly braces in React's JSX syntax?
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It's just an object literal inlined in the prop value. It's the same as
var obj = {__html: rawMarkup};
<span dangerouslySetInnerHTML={obj} />
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Is 'float a = 3.0;' a correct statement?
If I have the following declaration:
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character showing up in files. How to remove them?
I am doing compressing of JavaScript files and the compressor is complaining that my files have  character in them.
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How do I check that multiple keys are in a dict in a single pass?
I want to do something like:
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How can I get a JavaScript stack trace when I throw an exception?
...t exception myself (eg, throw "AArrggg" ), how can I get the stack trace (in Firebug or otherwise)? Right now I just get the message.
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Delete files older than 3 months old in a directory using .NET
I would like to know (using C#) how I can delete files in a certain directory older than 3 months, but I guess the date period could be flexible.
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What is a Python equivalent of PHP's var_dump()? [duplicate]
When debugging in PHP, I frequently find it useful to simply stick a var_dump() in my code to show me what a variable is, what its value is, and the same for anything that it contains.
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What does “=>” mean in PHP?
What does the => operator mean in the following code?
6 Answers
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How can I set the PHP version in PHPStorm?
...xample, for PHP4 this should highlight static function etc. I have a PHP installation on my PC but I don't want to install an older PHP version for every small script I have to produce.
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How much is too much with C++11 auto keyword?
I've been using the new auto keyword available in the C++11 standard for complicated templated types which is what I believe it was designed for. But I'm also using it for things like:
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