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What is the purpose of double curly braces in React's JSX syntax?

... an object literal inlined in the prop value. It's the same as var obj = {__html: rawMarkup}; <span dangerouslySetInnerHTML={obj} /> share | improve this answer | fo...
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How can I generate random alphanumeric strings?

...retty much linearly when generating longer strings (so long as there's actually enough memory available). Having said that, Dan Rigby's answer was almost twice as fast as this one in every test. – LukeH Aug 28 '09 at 0:33 ...
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64-bit version of Boost for 64-bit windows

...icrosoft SDK Command prompt and use "setenv /Release /x64" which redefines all the paths. – Budric Dec 13 '11 at 16:59 2 ...
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Reading a key from the Web.Config using ConfigurationManager

... edited Jul 11 '14 at 16:55 dav_i 24.3k1717 gold badges9292 silver badges127127 bronze badges answered Jan 4 '11 at 15:29 ...
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insert multiple rows via a php array into mysql

...like you might be running into string-handling problems in PHP, which is really an algorithm problem, not a language one. Basically, when working with large strings, you want to minimize unnecessary copying. Primarily, this means you want to avoid concatenation. The fastest and most memory efficient...
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What's the difference between parenthesis $() and curly bracket ${} syntax in Makefile?

... like unomadh GNU make example. From the GNU make manual on the Function Call Syntax (emphasis mine): […] If the arguments themselves contain other function calls or variable references, it is wisest to use the same kind of delimiters for all the references; write $(subst a,b,$(x)), not $(sub...
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How to make a copy of a file in android?

...or me with the exception java.io.FileNotFoundException: /sdcard/AppProj/IMG_20150626_214946.jpg: open failed: ENOENT (No such file or directory) at the FileOutputStream outStream = new FileOutputStream(dst); step. According to the text I realize, that the file doesn't exist, so I check it and call d...
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What's the difference between RANK() and DENSE_RANK() functions in oracle?

... with q as ( select 10 deptno, 'rrr' empname, 10000.00 sal from dual union all select 11, 'nnn', 20000.00 from dual union all select 11, 'mmm', 5000.00 from dual union all select 12, 'kkk', 30000 from dual union all select 10, 'fff', 40000 from dual union all select 10, 'ddd', 40000 from dual union ...
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How do you represent a JSON array of strings?

This is all you need for valid JSON, right? 4 Answers 4 ...
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Javascript and regex: split string and keep the separator

...h for predefined groups like this: \d equals [0-9] and \w equals [a-zA-Z0-9_]. This means your expression could look like this. string.split(/<br \/>(&#?[a-z\d]+;)/gi); There is a good Regular Expression Reference on JavaScriptKit. ...