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Using a dispatch_once singleton model in Swift
... the nested struct approach if you need to support earlier versions.
From my experience with Swift there are three approaches to implement the Singleton pattern that support lazy initialization and thread safety.
Class constant
class Singleton {
static let sharedInstance = Singleton()
}
Thi...
Left Align Cells in UICollectionView
I am using a UICollectionView in my project, where there are multiple cells of differing widths on a line. According to:
https://developer.apple.com/library/content/documentation/WindowsViews/Conceptual/CollectionViewPGforIOS/UsingtheFlowLayout/UsingtheFlowLayout.html
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Deleting rows with MySQL LEFT JOIN
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With "AS" I had to use the alias in my clause to make it work for my purpose (delete orphans): DELETE t1 FROM table1 AS t1 LEFT JOIN t2 AS t2 ON t1.uid = t2.result WHERE t2.result IS NULL
– Urs
Aug 26 '13 at 18:19
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Regex Email validation
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I updated my regular expression project to have unit tests and I even fixed a couple of bugs: C# – Email Regular Expression rhyous.com/2010/06/15/csharp-email-regular-expression
– Rhyous
Oct 16 ...
How to Display Selected Item in Bootstrap Button Dropdown Title
I am using the bootstrap Dropdown component in my application like this:
14 Answers
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Putting git hooks into repository
... I've put together a simple system based on this to manage the hooks in my project: ell.io/tt$Paws.js/blob/Master/Scripts/install-git-hooks.sh
– ELLIOTTCABLE
May 11 '14 at 23:24
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When would anyone use a union? Is it a remnant from the C-only days?
...o use them. When would unions be useful in a modern (or even legacy) case? My only two guesses would be programming microprocessors when you have very limited space to work with, or when you're developing an API (or something similar) and you want to force the end user to have only one instance of s...
How can I reverse a NSArray in Objective-C?
I need to reverse my NSArray .
18 Answers
18
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Python: Ignore 'Incorrect padding' error when base64 decoding
... padding error. Unless, there is a robust solution in Python, I'll go with my solution of calling openssl.
– FunLovinCoder
Jun 2 '10 at 13:13
1
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How do I write JSON data to a file?
...on2 as well which it doesn't (UnicodeEncodeError with non-ascii data). See my solution for details.
– Antony Hatchkins
Feb 10 '17 at 10:41
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