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Remove all but numbers from NSString
...ressions library as the other answers suggest -- the class you're after is called NSScanner. It's used as follows:
NSString *originalString = @"(123) 123123 abc";
NSMutableString *strippedString = [NSMutableString
stringWithCapacity:originalString.length];
NSScanner *scanner = [NSScanner ...
Convert a list of characters into a string
...t in Python?
>>> ['a', 'b', 'c'].join('')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: 'list' object has no attribute 'join'
Strange enough, in Python the join method is on the str class:
# this is the Python way
"".join(['a','b',...
How can I refresh a page with jQuery?
... the web-server again (such as where the document contents
change dynamically) we would pass the argument as true.
You can continue the list being creative:
window.location = window.location
window.self.window.self.window.window.location = window.location
...and other 534 ways
var meth...
How to find unused images in an Xcode project?
...nario where this wouldn't work out is when we might load images programmatically after constructing their names. Like arm1.png, arm2.png.... arm22.png. I might construct their names in the for loop and load. E.g. Games
– Rajavanya Subramaniyan
Jan 30 '13 at 7:1...
Reminder - \r\n or \n\r?
... Mac keyboards, or else you might later look at a PC keyboard, see the key called "Enter," and get the letter order wrong!
– Rob Kennedy
Jun 30 '11 at 19:36
3
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How to use clock() in C++
How do I call clock() in C++ ?
7 Answers
7
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How to get the nth element of a python list or a default if not available
...ult
Edit: I removed the check for TypeError - probably better to let the caller handle this.
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Using multiple arguments for string formatting in Python (e.g., '%s … %s')
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Perform a string formatting operation. The string on which this method is called can contain literal text or replacement fields delimited by braces {}. Each replacement field contains either the numeric index of a positional argument, or the name of a keyword argument. Returns a copy of the string ...
Best way to alphanumeric check in JavaScript
...
// On keypress event call the following method
function AlphaNumCheck(e) {
var charCode = (e.which) ? e.which : e.keyCode;
if (charCode == 8) return true;
var keynum;
var keychar;
var charcheck = /[a-z...
Batch file to copy files from one folder to another folder
...children-folder
PS: absolute path can be retrieved using these wildcards called "batch parameters"
@echo off
echo %%~dp0 is "%~dp0"
echo %%0 is "%0"
echo %%~dpnx0 is "%~dpnx0"
echo %%~f1 is "%~f1"
echo %%~dp0%%~1 is "%~dp0%~1"
check documentation here about copy : https:...