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How to use background thread in swift?

...syntax without some modifications. Passing QOS_CLASS_BACKGROUND didn't actually work, instead use Int(QOS_CLASS_BACKGROUND.value). For more information see Apples documentation share | improve thi...
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Unicode characters in URLs

... in Firefox, the clipboard will hold the percent-encoded form (which is usually a good thing), but if you copy only a part of it, it will remain unencoded. share | improve this answer | ...
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How do I escape a percentage sign in T-SQL?

... You can escape also the underscore wildcard character too: [_]. How do you escape the open square bracket then? Like this: [[]. sqlserver2000.databases.aspfaq.com/… – Csaba Toth Apr 3 '14 at 18:25 ...
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Using custom fonts using CSS?

... Generically, you can use a custom font using @font-face in your CSS. Here's a very basic example: @font-face { font-family: 'YourFontName'; /*a name to be used later*/ src: url('http://domain.com/fonts/font.ttf'); /*URL to ...
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How to add a border just on the top side of a UIView

... return border } if edges.contains(.top) || edges.contains(.all) { addBorder(formats: "V:|-0-[border(==thickness)]", "H:|-inset-[border]-inset-|") } if edges.contains(.bottom) || edges.contains(.all) { addBorder(formats: "V:[border(==thickness)]-0-|", "H:|-ins...
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How can I store my users' passwords safely?

...tials'; } (In case you are still using legacy 5.3.7 or newer you can install ircmaxell/password_compat to have access to the build-in functions) Improving upon salted hashes: add pepper If you want extra security, the security folks now (2017) recommend adding a 'pepper' to the (automatically)...
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Python memory leaks [closed]

... have a long-running script which, if let to run long enough, will consume all the memory on my system. 9 Answers ...
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Display image as grayscale using matplotlib

...If you want to display the inverse grayscale, switch the cmap to cmap='gray_r'. share | improve this answer | follow | ...
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Unable to load config info from /usr/local/ssl/openssl.cnf on Windows

...penSSL I was required to create a new environment variable: Name: OPENSSL_CONF Value: C:\Program Files\OpenSSL\openssl.cnf In powershell: $env:OPENSSL_CONF = "${env:ProgramFiles}\OpenSSL\openssl.cnf" This value differs from previous installation versions (as seen in a previous edit of this po...
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How to run a Runnable thread in Android at defined intervals?

... Alex, i have one small doubt.Now the thread is running perfectly and displaying the text continously, if i want to stop this means what i have to do?Please help me. – Rajapandian Dec 17 '09 at 14:19 ...