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using lodash .groupBy. how to add your own keys for grouped output?

...t hard to wrap my head around. Can you explain the steps in between, especially the pairing and zipping (and the double zip, since _.object is an alias for _.zipObject). – Benny Bottema Jul 31 '15 at 9:17 ...
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My attempt at value initialization is interpreted as a function declaration, and why doesn't A a(())

...has taught me is what is known as the "most vexing parse", which is classically demonstrated with a line such as 5 Answers ...
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Download attachments using Java Mail

Now that I`ve downloaded all the messages, and store them to 4 Answers 4 ...
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How to do Base64 encoding in node.js?

...uld be .toString("binary") (atob stands for ascii(base64) to binary, after all) – 12Me21 Jan 14 at 19:55 @12Me21 I tho...
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What is a method that can be used to increment letters?

...ded to expand it a bit beyond the scope of the original question to potentially help people who are stumbling on this from Google. I find that what I often want is something that will generate sequential, unique strings in a certain character set (such as only using letters), so I've updated this a...
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get and set in TypeScript

... })(); So to use it, var myFoo = new foo(); if(myFoo.bar) { // calls the getter myFoo.bar = false; // calls the setter and passes false } However, in order to use it at all, you must make sure the TypeScript compiler targets ECMAScript5. If you are running the command line compile...
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How do you turn a Mongoose document into a plain object?

...ng is that JSON.parse(JSON.encode(doc)) works and returns an object with all of the correct properties. Is there a better way to do this? ...
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How to simulate target=“_blank” in JavaScript

...cking window.open is kinda the point of pop-up blockers! If you make the call in response to a click action it has a better chance of not being blocked. – William Denniss Aug 18 '11 at 15:16 ...
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What does the C++ standard state the size of int, long type to be?

... value of the CHAR_BIT macro that defines the number of bits in a byte. In all but the most obscure platforms it's 8, and it can't be less than 8. One additional constraint for char is that its size is always 1 byte, or CHAR_BIT bits (hence the name). This is stated explicitly in the standard. The C...
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Is Big O(logn) log base e?

...nary search tree type of data structures, I see the Big O notation is typically noted as O(logn). With a lowercase 'l' in log, does this imply log base e (n) as described by the natural logarithm? Sorry for the simple question but I've always had trouble distinguishing between the different impli...