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How to pass arguments into a Rake task with environment in Rails? [duplicate]

...s.message}" end Updated per @Peiniau's comment below As for Rails > 3.1 task :t, arg, :needs => [deps] # deprecated Please use task :t, [args] => [deps] share | improve this ans...
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YYYY-MM-DD format date in shell script

... a more compact notation for the accepted answer. – Håvard Geithus Nov 16 '15 at 20:42 ...
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What's the best way to send a signal to all members of a process group?

...ll your own children, use pkill -TERM -P ${$}. – François Beausoleil Apr 10 '15 at 14:30 3 @Only...
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Array extension to remove object by value

...Ant", "Fish", "Cat"] myArray = myArray.arrayRemovingObject("Cat" ) Swift 3.1 update Came back to this now that Swift 3.1 is out. Below is an extension which provides exhaustive, fast, mutating and creating variants. extension Array where Element:Equatable { public mutating func remove(_ ite...
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Will strlen be calculated multiple times if used in a loop condition?

... @Prætorian, good point on the zero length string. I didn't consider that case when I wrote my comment. Does C++ evaluate the i > 0 expression on initial loop entry? If it doesn't, then you're right, the zero length case will...
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Multiple variables in a 'with' statement?

... It is possible in Python 3 since v3.1 and Python 2.7. The new with syntax supports multiple context managers: with A() as a, B() as b, C() as c: doSomething(a,b,c) Unlike the contextlib.nested, this guarantees that a and b will have their __exit__()'s...
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Spring vs EJB. Can Spring replace EJB? [closed]

...don't require a standalone container neither if you go this way. Since EJB 3.1 there is the standard EJBContainer.createEJBContainer() API to use an embedded container. So, still, your statement is wrong. – Pascal Thivent Nov 22 '09 at 18:37 ...
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C++并发编程(中文版) - 文档下载 - 清泛网 - 专注C/C++及内核技术

...时候不使用并发… 6 1.3 在C++中使用并发和多线程… 7 1.3.1 多线程在C++中的发展历程… 7 1.3.2 新标准对于并发的支持… 8 1.3.3 C++线程库的效率… 8 1.3.4 平台相关的工具… 9 1.4 开始入门… 9 1.4.1 你好,并发世界… 9 1.5 小结… ...
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App Inventor 2 扩展 · App Inventor 2 中文网

... « 返回首页 App Inventor 2 扩展 Initial Release 1.0 (Introduced as part of MIT App Inventor Release nb149) DRAFT: September 27, 2015 Updated: June 9, 2017 Updated: May 17, 2021 sample extensions are at: MIT App Inventor Extension source code for sample extensions at: ...
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Check for internet connection availability in Swift

... For Swift 3.1 (iOS 10.1) If you want to make the distinction between the network-type (i.e. WiFi or WWAN): You can use: func checkWiFi() -> Bool { let networkStatus = Reachability().connectionStatus() switch networkStatu...