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Queries vs. Filters

...erefore faster than queries. Have a look here too. Let's say a query is usually something that the users type and pretty much unpredictable, while filters help users narrowing down the search results , for example using facets. ...
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Permutations in JavaScript?

... If you notice, the code actually splits the chars into an array prior to do any permutation, so you simply remove the join and split operation var permArr = [], usedChars = []; function permute(input) { var i, ch; for (i = 0; i < inp...
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What are allowed characters in cookies?

What are the allowed characters in both cookie name and value? Are they same as URL or some common subset? 13 Answers ...
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Commonly accepted best practices around code organization in JavaScript [closed]

...ferent "namespaces" and sometimes individual classes in separate files. Usually I start with one file and as a class or namespace gets big enough to warrant it, I separate it out into its own file. Using a tool to combine all you files for production is an excellent idea as well. ...
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_DEBUG vs NDEBUG

... +1. NDEBUG in particular is allowed to be #undef'd and #define'd within a single TU (and reincluding <assert.h> changes the assert macro accordingly). Because this is different than expected/desired, it's common to use another macro to control a ...
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How to send an email from JavaScript

...ject=subject&body=body'); Another solution would be to do an ajax call to your server, so that the server sends the email. Be careful not to allow anyone to send any email through your server. share | ...
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What does Ruby have that Python doesn't, and vice versa?

There is a lot of discussions of Python vs Ruby, and I all find them completely unhelpful, because they all turn around why feature X sucks in language Y, or that claim language Y doesn't have X, although in fact it does. I also know exactly why I prefer Python, but that's also subjective, and would...
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Why can't I use the 'await' operator within the body of a lock statement?

The await keyword in C# (.NET Async CTP) is not allowed from within a lock statement. 8 Answers ...
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Iterate over the lines of a string

...())' 10000 loops, best of 3: 61.5 usec per loop Note we need the list() call to ensure the iterators are traversed, not just built. IOW, the naive implementation is so much faster it isn't even funny: 6 times faster than my attempt with find calls, which in turn is 4 times faster than a lower-lev...
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How do I convert from int to String?

I'm working on a project where all conversions from int to String are done like this: 20 Answers ...