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How do you use String.substringWithRange? (or, how do Ranges work in Swift?)
...er here? Calling advance means we have to iterate the whole way through a possibly long string. But forming an NSRange and using NSString explicitly is dangerous? What's left?
– matt
Nov 18 '14 at 18:45
...
How to avoid .pyc files?
...ing a special __pycache__ subfolder, see What's New in Python 3.2 - PYC Repository Directories.
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Is there an easy way to create ordinals in C#?
...blic static string AddOrdinal(int num)
{
if( num <= 0 ) return num.ToString();
switch(num % 100)
{
case 11:
case 12:
case 13:
return num + "th";
}
switch(num % 10)
{
case 1:
return num + "st";
case 2:
...
How can I measure the actual memory usage of an application or process?
...ou insights about the amount of memory used, and, more importantly, about possible memory leaks in your program. The heap profiler tool of Valgrind is called 'massif':
Massif is a heap profiler. It performs detailed heap profiling by taking regular snapshots of a program's heap. It produces a grap...
Check if a JavaScript string is a URL
...(#[-a-zd_]*)?$/: Invalid group Google Chrome (Version 30.0.1599.101) (Mac OS X: 10.8.5)
– dr.dimitru
Oct 19 '13 at 13:37
10
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How to add a spinner icon to button when it's in the Loading state?
...not working for Safari 6.0.5 (7536.30.1), Chrome 31.0.1604.0 canary on Mac OS X.
– Burak Erdem
Aug 21 '13 at 21:01
16
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Add a tooltip to a div
...pseudoelement of each [data-tooltip] object to be transparent, absolutely positioned and with data-tooltip="" value as content:
[data-tooltip]:before {
position : absolute;
content : attr(data-tooltip);
opacity : 0;
}
Define :hover:before hovering state of each [data-tool...
how do I use the grep --include option for multiple file types?
...,php,htm} can only work as a brace expansion, which is a nonstandard (not POSIX-compliant) feature of bash, ksh, and zsh.
In other words: do not try to use it in a script that targets /bin/sh - use explicit multiple --include arguments in that case.
grep itself does not understand {...} notation.
...
Benchmarking small code samples in C#, can this implementation be improved?
...
I'd propose you to pass iteration count to the Action, and create the loop there (possibly - even unrolled). In case you're measuring relatively short operation this is the only option. And I'd prefer seeing inverse metric - e.g. co...
Smallest data URI image possible for a transparent image
...ample, if you have an <img> and you use the tiniest transparent GIF possible, it works fine, however, if you then want your transparent GIF to have a background-image, then this is impossible. For some reason, some GIFs such as the following prevent CSS backgrounds (in some browsers).
Shorte...