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How do I create a category in Xcode 6 or higher?

...ey just moved it without telling anyone. Click File -> New -> File Select Objective-C file under Sources in iOS or Mac OS respectively and Click Next Now under File Type: choose either Category, Protocol, or Extension PS. Under File Name: whatever you type here will be either the Category,...
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Apply style to only first level of td tags

...>tr>td { border: solid 1px red; } But! The ‘>’ direct-child selector does not work in IE6. If you need to support that browser (which you probably do, alas), all you can do is select the inner element separately and un-set the style: .MyClass td { border: solid 1px red; } .MyClass td...
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MySQL Insert into multiple tables? (Database normalization?)

... 2 and 3: Will stock the LAST_INSERT_ID() in a MySQL variable: INSERT ... SELECT LAST_INSERT_ID() INTO @mysql_variable_here; INSERT INTO table2 (@mysql_variable_here, ...); INSERT INTO table3 (@mysql_variable_here, ...); Will stock the LAST_INSERT_ID() in a php variable (or any language that can c...
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Missing file warnings showing up after upgrade to Xcode 4

...Code 4.2.+ (possibly in 4+) you can avoid manual work and command line : Select project Project Navigator (Command - 1) Choose File - Source Control - Commit menu In the left pane, on top of it you have three icons, select the middle one - File view You will see the list of all missing files Selec...
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How do I prompt for Yes/No/Cancel input in a Linux shell script?

...";; esac done Another method, pointed out by Steven Huwig, is Bash's select command. Here is the same example using select: echo "Do you wish to install this program?" select yn in "Yes" "No"; do case $yn in Yes ) make install; break;; No ) exit;; esac done With sele...
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Permission denied (publickey) when SSH Access to Amazon EC2 instance [closed]

...these steps: Access to AWS Management Console Open Elastic Beanstalk Tab Select your application from All Applications Tab From left side menù select Configuration Click on the Instances Gear In Server Form check the EC2 Key Pair input and select your new Key Pair. You may have to refresh the lis...
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How to select .NET 4.5.2 as a target framework in Visual Studio

... }, onDemand: true, discardSelector: ".discard-answer" ,immediatelyShowMarkdownHelp:true,enableSnippets:true }); } }); ...
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Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant f

...ng from "File's Owner" under "Place Holders" to "view" under "Objects" and selecting the view outlet. – Nirma Aug 11 '11 at 14:49 ...
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What does the @ symbol represent in objective-c?

... The @ character isn't used in C or C++ identifiers, so it's used to introduce Objective-C language keywords in a way that won't conflict with the other languages' keywords. This enables the "Objective" part of the language to free...
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Using Linq to group a list of objects into a new grouped list of list of objects

... var groupedCustomerList = userList .GroupBy(u => u.GroupID) .Select(grp => grp.ToList()) .ToList(); share | improve this answer | follow ...