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Twitter's typeahead.js suggestions are not styled (have no border, transparent background, etc.)

...ction findMatches(q, cb) { var matches, substringRegex; // an array that will be populated with substring matches matches = []; // regex used to determine if a string contains the substring `q` substrRegex = new RegExp(q, 'i'); // iterate through the pool of st...
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Using mixins vs components for code reuse in Facebook React

...ur state's properties and store “error'd” properties in a state.errors array so you can highlight corresponding fields. Source (gist) define(function () { 'use strict'; var _ = require('underscore'); var ValidationMixin = { getInitialState: function () { return { err...
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What is the difference between _tmain() and main() in C++?

...ler doesn't enforce this for the main function, you get a program where an array of wchar_t strings are passed to the main function, which interprets them as char strings. Now, in UTF-16, the character set used by Windows when Unicode is enabled, all the ASCII characters are represented as the pair...
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Is there a typical state machine implementation pattern?

...ly got one state machine. Keep it outside the function and you can have an array of state machines with their own state. – Vicky Jun 25 '10 at 12:09 ...
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How do I trim leading/trailing whitespace in a standard way?

...e's a bug. dtab[*d] does not cast *d to unsigned int before using it as an array index. On a system with signed char this will read up to dtab[-127] which will cause bugs and possibly crash. – Zan Lynx Dec 12 '13 at 1:20 ...
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Storing JSON in database vs. having a new column for each key

...es and phone numbers for a contact, where storing them as values in a JSON array is much easier to manage than multiple separate tables Saving arbitrary key/value user preferences (where the value can be boolean, textual, or numeric, and you don't want to have separate columns for different data typ...
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Setting environment variables on OS X

...sx-env-sync</string> <key>ProgramArguments</key> <array> <string>bash</string> <string>-l</string> <string>-c</string> <string> $HOME/.osx-env-sync.sh </string> </array> <key>RunAtLo...
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Concurrent HashSet in .NET Framework?

...ckHeld) _lock.ExitWriteLock(); } } public void CopyTo(T[] array, int arrayIndex) { _lock.EnterWriteLock(); try { _hashSet.CopyTo(array, arrayIndex); } finally { if (_lock.IsWriteLockHeld) _lock.ExitWriteLock...
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What's the difference between size_t and int in C++?

... backward compatibility) but size_t defined as 64 bits (so you can declare arrays and structures more than 4 GiB in size) on 64-bit platforms. If a long int is also 64-bits, this is called the LP64 convention; if long int is 32 bits but long long int and pointers are 64 bits, that’s LLP64. You al...
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Database development mistakes made by application developers [closed]

...bles. Just this week I ran across some code where someone had imploded an array and inserted it into a single field in a database. Normalizing that would be to treat element of that array as a separate row in a child table (ie a one-to-many relationship). This also came up in Best method for stor...