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Get the current displaying UIViewController on the screen in AppDelegate.m
...ontroller is not a UINavigationController:
UIViewController *vc = self.window.rootViewController;
Once you know the root view controller, then it depends on how you have built your UI, but you can possibly find out a way to navigate through the controllers hierarchy.
If you give some more detail...
How do I “git blame” a deleted line?
... remove an instance of that string. There's also the -G<regex> which does the same thing with regular expressions! See man git-log and search for the -G and -S options, or pickaxe (the friendly name for these features) for more information.
The -S option is actually mentioned in the header of...
How to make an array of arrays in Java
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Could you explain further what the second syntax does? It's kind of unclear to me.
– Terence Ponce
Jan 24 '11 at 11:04
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How can I split up a Git commit buried in history?
I flubbed up my history and want to do some changes to it. Problem is, I have a commit with two unrelated changes, and this commit is surrounded by some other changes in my local (non-pushed) history.
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How to check if a user likes my Facebook Page or URL using Facebook's API
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You can do it in JavaScript like so (Building off of @dwarfy's response to a similar question):
<html>
<head>
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"...
How to use CURL via a proxy?
...e proxy it works fine. I have found code on this and other sites, but they do not work. Any help in finding the correct solution would be much appreciated. I feel that the bellow are close, but that I am missing something. Thank You.
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SQL - many-to-many table primary key
...abase tables are read far more often than written. That makes anything you do on the select side far more relevant than anything on the insert side.
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How to have the formatter wrap code with IntelliJ?
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Do you mean that the formatter does not break long lines? Check Settings / Project Settings / Code Style / Wrapping.
Update: in later versions of IntelliJ, the option is under Settings / Editor / Code Style. And select Wrap ...
Change a Rails application to production
...in production mode? Is there a config file, environment.rb for example, to do that?
15 Answers
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How to create border in UIButton?
...rColor = [UIColor greenColor].CGColor;
See:
https://developer.apple.com/documentation/quartzcore/calayer#//apple_ref/occ/cl/CALayer
The CALayer in the link above allows you to set other properties like corner radius, maskToBounds etc...
Also, a good article on button fun:
https://web.archive.o...