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What does the -ObjC linker flag do?

I have an app that works with and without the linker flag. However, without the linker flag, I get a very different behaviour when adding data to a view. ...
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Getting reference to the top-most view/window in iOS application

I'm creating a reusable framework for displaying notifications in an iOS application. I'd like the notification views to be added over the top of everything else in the application, sort of like a UIAlertView. When I init the manager that listens for NSNotification events and adds views in response,...
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Measuring text height to be drawn on Canvas ( Android )

...ext() to get the width, then by trial and error finding a value to get an approximate height. I've also been messing around with FontMetrics , but all these seem like approximate methods that suck. ...
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git: undo all working dir changes including new files

...of adding a new untracked file. From the question, the asker may be quite happy with his current set of ignored files. – CB Bailey Jul 7 '09 at 6:49 7 ...
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HTTP POST Returns Error: 417 “Expectation Failed.”

... You can also specify that property in your app.config: <system.net> <settings> <servicePointManager expect100Continue="false"/>. nahidulkibria.blogspot.com/2009/06/… – Andre Luus Apr 29 '11 at 11:10 ...
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How to detect unused methods and #import in Objective-C

After working a long time on an iPhone app, I realized that my code is quite dirty, containing several #import and methods that are not called or useful at all. ...
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Instagram how to get my user id from username?

...h totally broke our integration anyway, we're just ripping them out of our app completely. – Danny Tuppeny Jul 14 '16 at 17:09 add a comment  |  ...
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Is it valid to replace http:// with // in a ?

... "the spec" is hardly a good standard for whether it's wise to do in a web app. – Matt Howell Feb 15 '09 at 1:25 6 ...
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What's the difference between commit() and apply() in SharedPreferences

I am using SharedPreferences in my android app. I am using both commit() and apply() method from shared preference. When I use AVD 2.3 it shows no error, but when I run the code in AVD 2.1, apply() method shows error. ...
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How to configure Ruby on Rails with no database?

... 4: Use -O(Capital 'O') or --skip-activerecord option to generate an application without a database. rails new myApp -O or rails new myApp --skip-activerecord This Answer is reshared from here For Rails 5: Use --skip-active-record option to generate an application without a databas...