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How do I clear the terminal screen in Haskell?
...n 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.ANSIclearScreen
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Convert character to ASCII code in JavaScript
...mented: developer.mozilla.org/en/JavaScript/Reference/Global_Objects/…. "if it is not a number, it defaults to 0"
– tokland
Nov 15 '11 at 19:46
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Extract a number from a string (JavaScript)
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For this specific example,
var thenum = thestring.replace( /^\D+/g, ''); // replace all leading non-digits with nothing
in the general case:
thenum = "foo3bar5".match(/\d+/)[0] // "3"
Since this answer gained popularity for some r...
What's the difference between MyISAM and InnoDB? [duplicate]
...s been asked before, but most of the time it is asked in relation to a specific database or table. I cannot find an answer on this site that describes the two engines and their differences without respect to someones specific database.
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How to get the filename without the extension from a path in Python?
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/path/to/some/file
Documentation for os.path.splitext.
Important Note: If the filename has multiple dots, only the extension after the last one is removed. For example:
import os
print(os.path.splitext("/path/to/some/file.txt.zip.asc")[0])
Prints:
/path/to/some/file.txt.zip
See other answe...
How to check if a symlink exists
I'm trying to check if a symlink exists in bash. Here's what I've tried.
8 Answers
8
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How can I change the image displayed in a UIImageView programmatically?
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If you have an IBOutlet to a UIImageView already, then all you have to do is grab an image and call setImage on the receiver (UIImageView). Two examples of grabbing an image are below. One from the Web, and one you add to you...
Check if a string contains a number
... like to be a numberless string.
I need to enter a string and check to see if it contains any numbers and if it does reject it.
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jquery select change event get selected option
...ture stated there is obviously jQuery( selector [, context ] ). @Bellash: if it's "almost the same", what is the difference? Or what is faster? I prefer .find() since this is more OO IMO...
– Adrian Föder
May 7 '14 at 6:54
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How to set layout_weight attribute dynamically from code?
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If you don't want to cast from a double to a float just put 1.0f
– Xample
Jun 21 '12 at 14:58
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