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iOS: Use a boolean in NSUserDefaults

... You can set your boolean by using: [[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"logged_in"]; [[NSUserDefaults standardUserDefaults] synchronize]; and read it by using this code: if(![[NSUserDefaults standardUserDefaults] boolForKey:@"logged_in"]) { [self d...
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Access to Modified Closure (2)

...need to re-declare a variable inside the foreach - otherwise it is shared, and all your handlers will use the last string: foreach (string list in lists) { string tmp = list; Button btn = new Button(); btn.Click += new EventHandler(delegate { MessageBox.Show(tmp); }); } Significantly,...
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What's wrong with using == to compare floats in Java?

... @P.T Can he multiply epsilon with one numbers and change function to if(Math.abs(sectionID - currentSectionID) < epsilon*sectionID to tackle that issue? – enthusiasticgeek Nov 6 '14 at 23:11 ...
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Webstorm: “Cannot Resolve Directory”

This is starting to bug me and I'd either like it turned off or fixed. So Webstorm has a sweet feature in it's HTML parser that will attempt to resolve directories in strings that are supposed to reference a file in your project. For example: ...
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How to get the date from jQuery UI datepicker

...date from datepicker whenever user choose the date in jQuery UI datepicker and click the button on the form. 6 Answers ...
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How do I unset an element in an array in javascript?

... @ThiefMaster - Care to explain? I don't know what that means and keen to learn. As always, an edit is a 1,000,000 times better than an off-hand comment; you should know that with the amount of rep you have. – going Dec 26 '11 at 9:28 ...
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What's the purpose of the LEA instruction?

For me, it just seems like a funky MOV. What's its purpose and when should I use it? 16 Answers ...
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Convert Object to JSON string

... answered Oct 11 '10 at 7:35 jAndyjAndy 203k4747 gold badges283283 silver badges345345 bronze badges ...
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AngularJS $http and $resource

...With $http you're going to be making GET, POST, DELETE type calls manually and processing the objects they return on your own. $resource wraps $http for use in RESTful web API scenarios. Speaking VERY generally: A RESTful web service will be a service with one endpoint for a data type that does...
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How do I view an older version of an SVN file?

I have an SVN file which is now missing some logic and so I need to go back about 40 revisions to the time when it had the logic I need. Other than trying to view a diff of the file in the command line ( very hard to read ), is there any way I could get a copy of that file to review so I can study i...