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How do I clear the terminal screen in Haskell?

...nal support, with Windows compatibility You can find it in Hackage and install using cabal install ansi-terminal. It specifically has functions for clearing the screen, displaying colors, moving the cursor, etc. Using it to clear the screen is easy: (this is with GHCI) import System.Console.ANSIclea...
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ALTER TABLE to add a composite primary key

I have a table called provider . I have three columns called person , place , thing . There can be duplicate persons, duplicate places, and duplicate things, but there can never be a dupicate person-place-thing combination. ...
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Automate ssh-keygen -t rsa so it does not ask for a passphrase

...ing prompted for a passphrase you can do the following: $ ssh-keygen -f id_rsa -t rsa -N '' share | improve this answer | follow | ...
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Escaping HTML strings with jQuery

... jsbin.com/fazimigayo/1/edit?html,js,console,output (and it should work on all earlier versions too) – Henrik N Nov 5 '16 at 20:46 ...
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Access Denied for User 'root'@'localhost' (using password: YES) - No Privileges?

...ost, User, Password) VALUES ('%', 'root', password('YOURPASSWORD')); GRANT ALL ON *.* TO 'root'@'%' WITH GRANT OPTION; share | improve this answer | follow | ...
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Wait until a process ends

...Responding that went to false after closing the window like that: while (!_process.HasExited && _process.Responding) { Thread.Sleep(100); } ... Perhaps this helps someone. share | impro...
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How do I get the current date and time in PHP?

...e time would go by your server time. An easy workaround for this is to manually set the timezone by using date_default_timezone_set before the date() or time() functions are called to. I'm in Melbourne, Australia so I have something like this: date_default_timezone_set('Australia/Melbourne'); Or...
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java.lang.OutOfMemoryError: bitmap size exceeds VM budget - Android

...problem isn't handling many images, it's that your images aren't getting deallocated when your activity is destroyed. It's difficult to say why this is without looking at your code. However, this article has some tips that might help: http://android-developers.blogspot.de/2009/01/avoiding-memory-l...
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SHA-1 fingerprint of keystore certificate

...as test On windows, when keytool command is not found, Go to your installed JDK Directory e.g. <YourJDKPath>\Java\jdk1.8.0_231\bin\, open command line and try the above commands for debug/release mode. share ...
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Why does i = i + i give me 0?

... 230 + 230 = -231 -231 + -231 = 0 ...in int arithmetic, since it's essentially arithmetic mod 2^32. share | improve this answer | follow | ...