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delete_all vs destroy_all?

... edited May 23 '17 at 12:26 Community♦ 111 silver badge answered Jul 14 '11 at 18:36 Sandro MundaSandro ...
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What are “decorators” and how are they used?

... @JonJaques - That's a great question. I have not come across such situation. If I were to guess, the version of the service that module C sees should be the decorated one from module A but I cannot say that for sure until I try it myself. Why don't you write a simple plunkr...
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Alternative to google finance api [closed]

I wanted to use Google Finance API to get stock data about the company but this API is deprecated since 2011/26/05. 5 Answe...
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Rails new vs create

...rmation in a rails tutorial site. Wasn't until I actually use it that it becomes relevant. – StorymasterQ Jan 20 '16 at 1:02 add a comment  |  ...
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Set operations (union, intersection) on Swift array?

... structs, you need to implement Hashable. Thanks to Michael Stern in the comments for the Swift 2.0 update. Thanks to Amjad Husseini in the comments for the Hashable info. share | improve this an...
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Vim: Move window left/right?

... Ctrl w gives you the "windows command mode", allowing the following modifiers: Ctrl w + R - To rotate windows up/left. Ctrl w + r - To rotate windows down/right. You can also use the "windows command mode" with navigation keys to change a window's pos...
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Joda-Time: what's the difference between Period, Interval and Duration?

...r the job rather than of relative performance. From the documentation with comments added by me in italics: An interval in Joda-Time represents an interval of time from one millisecond instant to another instant. Both instants are fully specified instants in the datetime continuum, complete with ...
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Does anyone know what the new Exit icon is used for when editing storyboards using Xcode 4.5?

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Set margin size when converting from Markdown to PDF with pandoc

...e: March 22, 2005 geometry: margin=2cm output: pdf_document --- For more complex specifications to be passed to the geometry LaTeX package, string options together as you would with LaTeX: --- title: "Habits" author: John Doe date: March 22, 2005 geometry: "left=3cm,right=3cm,top=2cm,bottom=2cm" ...
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Windows: How to specify multiline command on command prompt?

how do we extend a command to next line? 4 Answers 4 ...