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Align contents inside a div
...ned a width, with ‘auto’ left and right margins. This is the standards-compliant way that works everywhere except IE5.x.
<div style="width: 50%; margin: 0 auto;">Hello</div>
For this to work in IE6, you need to make sure Standards Mode is on by using a suitable DOCTYPE.
If you re...
Regex, every non-alphanumeric character except white space or colon
...#$%* ABC def:123".replace(/[^a-zA-Z0-9 :]/g, ".")
See a online example:
http://jsfiddle.net/vhMy8/
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Printing without newline (print 'a',) prints a space, how to remove?
... you to set an end parameter. You can use it in >=2.6 by importing from __future__. I'd avoid this in any serious 2.x code though, as it will be a little confusing for those who have never used 3.x. However, it should give you a taste of some of the goodness 3.x brings.
>>> from __futur...
Bash function to find newest file matching pattern
...
The ls command has a parameter -t to sort by time. You can then grab the first (newest) with head -1.
ls -t b2* | head -1
But beware: Why you shouldn't parse the output of ls
My personal opinion: parsing ls is only dangerous whe...
Different types of thread-safe Sets in Java
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One-liner to check whether an iterator yields at least one element?
...In case the iterator yields something false-ish you can write any(True for _ in iterator).
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python pandas remove duplicate columns
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Convert InputStream to BufferedReader
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What does DIM stand for in Visual Basic and BASIC?
...arrays.
DIM — (short for dimension) define the size of arrays
Ref: http://en.wikipedia.org/wiki/Dartmouth_BASIC
A part of the original BASIC compiler source code, where it would jump when finding a DIM command, in which you can clearly see the original intention for the keyword:
DIM LDA...
performSelector may cause a leak because its selector is unknown
... should simply be ignored, and it's easy to work around. Here's how:
if (!_controller) { return; }
SEL selector = NSSelectorFromString(@"someMethod");
IMP imp = [_controller methodForSelector:selector];
void (*func)(id, SEL) = (void *)imp;
func(_controller, selector);
Or more tersely (though hard...