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How do I get the RootViewController from a pushed controller?
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For all who are interested in a swift extension, this is what I'm using now:
extension UINavigationController {
var rootViewController : UIViewController? {
return self.viewControllers.first
}
}
share
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align text center with android
I know it sounds easy. I need to put a text in center, but when the text is too long it needs to go below, but still align in the center of my xml.
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Do Swift-based applications work on OS X 10.9/iOS 7 and lower?
...iOS 7 and OS X 10.9 minimum deployment target
The Swift compiler and Xcode now enforce a minimum deployment target of iOS 7 or OS X
Mavericks. Setting an earlier deployment target results in a build failure.
From Xcode 6 release note
So my previous answer(Shown below) will not be applicable to any ...
postgres default timezone
...ement with my database name and SELECT pg_reload_conf() returned true, but now() and select current_setting('TIMEZONE') continue to return values for 'America/New_York'. Is it because I'm not superuser?
– Noumenon
Jul 23 '19 at 4:12
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Store pictures as files or in the database for a web app?
My question is fairly generic and I know there might not be an 100% answer to it. I'm building an ASP .NET web solution that will include a lot of pictures and hopefully a fair amount of traffic. I do really want to achieve performance.
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belongs_to through associations
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I'd like to know myself. Everything I tried fired 3 selects. You can specify a "-> { joins :something }" lambda on an association. The join is fired but subsequently another select anyway. I wasn't able to tune this up.
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Why are primes important in cryptography?
... public, and everyone can use it to encrypt messages to you, but only you know the prime factors and can decrypt the messages. Everyone else would have to factor the number, which takes too long to be practical, given the current state of the art of number theory.
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Opacity CSS not working in IE8
...owever, it doesn't work (for me) in IE8 (I just checked). -moz-opacity is now pretty much defunct I believe, and opacity is the standards way of doing things - so, naturally, Microsoft didn't use that way of doing things (way too easy).
– user71463
Dec 22 '09 ...
Replace multiple whitespaces with single whitespace in JavaScript string
...eWhiteSpace = function() {
return this.replace(/\s+/g, ' ');
};
This now enables you to use the following elegant forms to produce the strings you want:
"Get rid of my whitespaces.".killWhiteSpace();
"Get rid of my extra whitespaces".reduceWhiteSpace();
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How do you get assembler output from C/C++ source in gcc?
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Sadly, as on OS X doesn't know these flags. If it did, though, you could probably one-line this using -Wa to pass options to as.
– Grumdrig
Apr 5 '13 at 4:57
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