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How to select last two characters of a string

... EDIT: 2020: use string.slice(-2) as others say - see below. now 2016 just string.substr(-2) should do the trick (not substring(!)) taken from MDN Syntax str.substr(start[, length]) Parameters start Location at which to begin extracting characters. If a negati...
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What's the difference between JPA and Hibernate? [closed]

... This metaphor does not add understanding. If you already know the difference, you'll find it amuzing. If you don't know the difference, you will still not know it. – Nick Volynkin Feb 15 '17 at 10:18 ...
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Can I position an element fixed relative to parent? [duplicate]

...tion. The OP should pick a different accepted answer if a different one is now the better answer. – DuckMaestro Feb 22 '13 at 19:45  |  show 5...
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How do I inspect the view hierarchy in iOS?

... Xcode 6 now has 3D view hierarchy inspection built in like Reveal App and Spark Inspector. Click on the "Debug View Hierarchy" button while your app is running to pause execution and inspect the views at the current moment. Mor...
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What does the `forall` keyword in Haskell/GHC do?

... OK, I got my six hours and can now decode your answer. :) Between you and Norman I got exactly the kind of answer I was looking for. Thanks. – JUST MY correct OPINION Jun 19 '10 at 0:37 ...
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Confusion between factor levels and factor labels

...seems to be a difference between levels and labels of a factor in R. Up to now, I always thought that levels were the 'real' name of factor levels, and labels were the names used for output (such as tables and plots). Obviously, this is not the case, as the following example shows: ...
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Nginx缓存解决方案:SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术

... key = ngx.md5(key) ngx.var.phoenix_key = key local now = ngx.time() if ngx.var.arg_phoenix == true then ngx.var.phoenix_fetch_skip = 0 else for i = 0, 1 do local errors = status:get_errors(index, now - i * 60) ...
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Centering controls within a form in .NET (Winforms)? [duplicate]

... Great, I never thought about quit all sides on Anchor property, now if I resize the control keeps centered. !great! – FabianSilva Mar 23 '12 at 13:52 ...
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MySQL integer field is returned as string in PHP

...dl be sure that the elements in the row array had appropriate data types. Now I'm having to write code to manually cast every element to the data type I'm expecting. – GordonM Mar 25 '11 at 10:14 ...
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How to call asynchronous method from synchronous method in C#?

... AsyncContext now has a Run method that takes a lambda expression, so you should use var result = AsyncContext.Run(() => MyAsyncMethod()); – Stephen Cleary Jun 23 '13 at 12:42 ...