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Best way to check if a URL is valid
... FILTER_VALIDATE_URL);
Validates value as URL (according to » http://www.faqs.org/rfcs/rfc2396), optionally with required components. Beware a valid URL may not specify the HTTP protocol http:// so further validation may be required to determine the URL uses an expected protocol, e.g. ssh:// o...
View inside ScrollView doesn't take all place
...child is taller than the ScrollView, the attribute has no effect.
http://www.curious-creature.org/2010/08/15/scrollviews-handy-trick/
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Professional jQuery based Combobox control? [closed]
...
jsfiddle.net/X657V
– bancer
Feb 17 '14 at 23:49
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List all files and directories in a directory + subdirectories
...
Directory.GetFileSystemEntries exists in .NET 4.0+ and returns both files and directories. Call it like so:
string[] entries = Directory.GetFileSystemEntries(path, "*", SearchOption.AllDirectories);
Note that it won't cope with attempts to list the contents of sub...
What are the uses of “using” in C#?
...inted out in the book "C# 5.0 In a Nutshell: The Definitive Guide" (http://www.amazon.com/5-0-Nutshell-The-Definitive-Reference-ebook/dp/B008E6I1K8), by Joseph and Ben Albahari. One example:
namespace HelloWorld
{
using AppFunc = Func<IDictionary<DateTime, string>, List<string>&...
How can I make a Python script standalone executable to run without ANY dependency?
...working;
It is necessary to create a setup.py file for it to work. http://www.py2exe.org/index.cgi/Tutorial#Step2;
I have had problems with dependencies that you have to solve by importing packages in the setup file;
I was not able to make it work together with PyQt.
This last reason made me tr...
How to make vi redraw screen?
...pe terminals )
^L ( does not work with Televideo terminals )
From http://www.cs.rit.edu/~cslab/vi.html#A1.4 (dead link; see archive)
As noted in the comments Vim now uses ^R for redo and ^L alone for redraw.
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Sass negative variable value?
...ollowing example:
margin: 0 -#{$pad} 20px -#{$pad};
An example: https://www.sassmeister.com/gist/c9c0208ada0eb1fdd63ae47830917293
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Error: request entity too large
...dyParser.urlencoded({ extended:true,limit:1024*1024*20,type:'application/x-www-form-urlencoded' })
app.use(jsonParser);
app.use(urlencodedParser);
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Measuring the distance between two coordinates in PHP
...ized function from codexworld.com:
/**
* Optimized algorithm from http://www.codexworld.com
*
* @param float $latitudeFrom
* @param float $longitudeFrom
* @param float $latitudeTo
* @param float $longitudeTo
*
* @return float [km]
*/
function codexworldGetDistanceOpt($latitudeFrom, $longit...