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Rails :include vs. :joins

... It appears that the :include functionality was changed with Rails 2.1. Rails used to do the join in all cases, but for performance reasons it was changed to use multiple queries in some circumstances. This blog post by Fabio Akita has some good information on the change (see the section e...
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What to add for the update portion in ConcurrentDictionary AddOrUpdate

... 220 You need to pass a Func which returns the value to be stored in the dictionary in case of an u...
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How do I move files in node.js?

...ath_callback fs.rename(oldPath, newPath, callback) Added in: v0.0.2 oldPath <String> | <Buffer> newPath <String> | <Buffer> callback <Function> Asynchronous rename(2). No arguments other than a possible exception are given to the completion callback. ...
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Get city name using geolocation

... 204 You would do something like that using Google API. Please note you must include the google m...
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Bower and devDependencies vs dependencies

...mocks and angular-scenario under 'devDependencies' when I re-add all the 1.2.0-rc.2 components angular-mocks and angular-scenario under dependencies instead of devDependencies. ...
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Calculate the execution time of a method

... | edited Dec 9 '17 at 12:27 Matthias Braun 22k1616 gold badges104104 silver badges138138 bronze badges ...
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Sublime Text 3能用支持的插件推荐 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...blime Text 3能用支持的插件推荐从二月份用测试版本build 3012开始用sublime text 3,虽然很多插件在sublime text 3不工作了,因为sublime text 3修复了2的一些bug... 二月份用测试版本build 3012开始用sublime text 3,虽然很多插件在sublime text 3不工...
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Casting to string in JavaScript

... 217 They do behave differently when the value is null. null.toString() throws an error - Cannot ...
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What is an efficient way to implement a singleton pattern in Java? [closed]

... 29 Answers 29 Active ...