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Generate JSON string from NSDictionary in iOS

... Apple added a JSON parser and serializer in iOS 5.0 and Mac OS X 10.7. See NSJSONSerialization. To generate a JSON string from a NSDictionary or NSArray, you do not need to import any third party framework anymore. Here is how to do it: NSError *error; NSData *jsonData = [NSJSONSeriali...
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SQL Server Management Studio, how to get execution time down to milliseconds

...uggling with that until i found this... http://blog.sqlauthority.com/2009/10/01/sql-server-sql-server-management-studio-and-client-statistics/ Also, if you open the Properties window you may find some magical "Connection elapsed time" that may give you some execution time... Hope it helps... ...
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/etc/apt/sources.list" E212: Can't open file for writing

...solt Botykai 44.3k1111 gold badges8080 silver badges101101 bronze badges 57 ...
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How to get the current directory of the cmdlet being executed

... just use $PSScriptRoot? Seems more reliable – mBrice1024 Jul 27 '17 at 21:33 @user2326106 Can you explain the differe...
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What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?

...uble quotes is kind of incomplete. See further stackoverflow.com/questions/10067266/… – tripleee Dec 9 '17 at 11:20 add a comment  |  ...
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How to check if a variable is set in Bash?

... 10 For the solution's syntax ${parameter+word}, the official manual section is gnu.org/software/bash/manual/… ; however, a bug in that, it d...
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How to return multiple lines JSX in another return statement in React?

...rik NHenrik N 13.7k33 gold badges6969 silver badges110110 bronze badges 3 ...
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How to convert milliseconds into human readable form?

...nobody else has stepped up, I'll write the easy code to do this: x = ms / 1000 seconds = x % 60 x /= 60 minutes = x % 60 x /= 60 hours = x % 24 x /= 24 days = x I'm just glad you stopped at days and didn't ask for months. :) Note that in the above, it is assumed that / represents truncating inte...
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Allow Google Chrome to use XMLHttpRequest to load a URL from a local file

... | edited Aug 6 '14 at 10:26 Jonny White 85577 silver badges2121 bronze badges answered Jan 27 '11 at...
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What is the benefit of using $() instead of backticks in shell scripts?

... 10 @chrstphrchvz, if you look at my profile, you'll see this little snippet: "All code I post on Stack Overflow is covered by the "Do whatever...