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Decoding JSON using json.Unmarshal vs json.NewDecoder.Decode

...ool. So if you're doing a lot of encoding, json.Marshal always has quite a bit buffer churn. – Aktau Jun 23 '14 at 11:19 ...
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When writing a directive in AngularJS, how do I decide if I need no new scope, a new child scope, or

...ever, I required a set of data to use and additionally had to store a tiny bit of state. In this case, using the parent scope would be irresponsible (again, generally speaking). So instead... Child Scope: scope: true Directives with a child scope are context-aware and are intended to interact with...
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How can I check if an element exists in the visible DOM?

...e are landing here, and simply want to know if an element exists (a little bit different to the original question). That's as simple as using any of the browser's selecting method, and checking it for a truthy value (generally). For example, if my element had an id of "find-me", I could simply use...
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What's the difference between ConcurrentHashMap and Collections.synchronizedMap(Map)?

... Edited: Neither are fully thread safe. That is a bit misleading for newer developers. See: ibm.com/developerworks/java/library/j-jtp07233/index.html to understand that even ConcurrentHashMap is not fully thread-safe from external data-races. (eg: 1 thread removes a value a...
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微博为什么限制140字(附短信70字限制考) - 创意 - 清泛网 - 专注C/C++及内核技术

...length of the messages to 128 bytes (later improved to 140 bytes, or 160 7-bit characters), so that the messages could fit into the existing signaling formats.” 也就是说,160字符实际上来源于140字节的限制,140字节相当于(140*8/7=)160个7位字符(140个8位字符,70...
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Get program execution time in the shell

... line-by-line delta measurement, try gnomon. A command line utility, a bit like moreutils's ts, to prepend timestamp information to the standard output of another command. Useful for long-running processes where you'd like a historical record of what's taking so long. You can also use the --hi...
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Disable Visual Studio devenv solution save dialog

... Another option, a bit less obvious, is to save the devenv.sln file to the Visual Studio IDE folder for that version of Visual Studio. This was an option described in the link noted above. Probably not the best option, but it is an option none...
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Parse JSON in TSQL

...VARCHAR(MAX)' END WHEN 2 THEN 'INT' WHEN 3 THEN 'BIT' WHEN 4 THEN 'Array' WHEN 5 THEN 'Object' ELSE 'NVARCHAR(MAX)' END AS [Type] ,CASE WHEN d.Type = 3 AND d.Value = 'true' THEN '1' WHEN d....
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Error: The 'brew link' step did not complete successfully

... I'm a bit late, what worked for me was this: * npm uninstall npm -g * brew uninstall node * brew install node * sudo rm -rf /usr/local/lib/dtrace/node.d * brew link node (caused error with permissions) * sudo chmod 777 /usr/l...
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jQuery Data vs Attr?

...ated on the object Also, the naming convention for data attributes has a bit of a hidden "gotcha": HTML: <a id="bar" data-foo-bar-baz="fizz-buzz" href="#">fizz buzz!</a> JS: console.log( $('#bar').data('fooBarBaz') ); //outputs "fizz-buzz" as hyphens are automatically camelCase'd ...