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Use PPK file in Mac Terminal to connect to remote connection over SSH [closed]

...the key, open a terminal window and: ssh -i privatekey.pem user@my.server.com The private key must have tight security settings otherwise SSH complains. Make sure only the user can read the key. chmod go-rw privatekey.pem ...
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How to detect that animation has ended on UITableView beginUpdates/endUpdates?

... What about this? [CATransaction begin]; [CATransaction setCompletionBlock:^{ // animation has finished }]; [tableView beginUpdates]; // do some work [tableView endUpdates]; [CATransaction commit]; This works because the tableView animations use CALayer animations internally....
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How do I Sort a Multidimensional Array in PHP [duplicate]

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Access POST values in Symfony2 request object

... edited Jun 20 at 9:12 Community♦ 111 silver badge answered Aug 27 '12 at 12:56 timaschewtimaschew ...
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Ternary operation in CoffeeScript

...s preference for something "less cryptic" and less arbitrary (e.g., github.com/jashkenas/coffeescript/issues/11#issuecomment-97802). [My 2 cents - While I realise the arbitrariness of ?:, I think if..then..else is too verbose a replacement for what is supposed to be a concise expression. And ?: is a...
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how to disable DIV element and everything inside [duplicate]

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Which, if any, C++ compilers do tail-recursion optimization?

... All current mainstream compilers perform tail call optimisation fairly well (and have done for more than a decade), even for mutually recursive calls such as: int bar(int, int); int foo(int n, int acc) { return (n == 0) ? acc : bar(n - 1, acc...
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conditional unique constraint

...you'll return false if Status = 1 and Count > 0. http://msdn.microsoft.com/en-us/library/ms188258.aspx CREATE TABLE CheckConstraint ( Id TINYINT, Name VARCHAR(50), RecordStatus TINYINT ) GO CREATE FUNCTION CheckActiveCount( @Id INT ) RETURNS INT AS BEGIN DECLARE @ret INT; SELECT @...
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How to get a complete list of object's methods and attributes?

... For the complete list of attributes, the short answer is: no. The problem is that the attributes are actually defined as the arguments accepted by the getattr built-in function. As the user can reimplement __getattr__, suddenly allow...
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Simple logical operators in Bash

...side them isn't an expression like in many other languages. It's a list of commands (just like outside parentheses). These commands are executed in a separate subprocess, so any redirection, assignment, etc. performed inside the parentheses has no effect outside the parentheses. With a leading dol...