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Extract hostname name from string
... ==");
console.log(extractHostname("http://www.blog.classroom.me.uk/index.php"));
console.log(extractHostname("http://www.youtube.com/watch?v=ClkQA2Lb_iE"));
console.log(extractHostname("https://www.youtube.com/watch?v=ClkQA2Lb_iE"));
console.log(extractHostname("www.youtube.com/watch?v=ClkQA2Lb...
View.setPadding accepts only in px, is there anyway to setPadding in dp?
... pixels for a specific DPI value: http://forum.xda-developers.com/showpost.php?p=6284958&postcount=31
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How to concatenate string variables in Bash
In PHP, strings are concatenated together as follows:
30 Answers
30
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How to check if field is null or empty in MySQL?
...
If you would like to check in PHP , then you should do something like :
$query_s =mysql_query("SELECT YOURROWNAME from `YOURTABLENAME` where name = $name");
$ertom=mysql_fetch_array($query_s);
if ('' !== $ertom['YOURROWNAME']) {
//do your action
ech...
Is it possible to have a multi-line comments in R? [duplicate]
...s how come R doesn't support a multi-line comments (like /* comment */ of PHP, for example).
7 Answers
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HTML img scaling
...re plenty of programs out there when uploading (you'll need something like PHP or .net to do this btw) you can have it auto scale.
3) Living with it and setting the width and height, this although will make it look distorted but the right size will still result in the user having to download the fu...
Automatically deleting related rows in Laravel (Eloquent ORM)
...You can delete all related photos before actually deleting the user.
<?php
class User extends Eloquent
{
public function photos()
{
return $this->has_many('Photo');
}
public function delete()
{
// delete all related photos
$this->photos()->...
When should I use Kruskal as opposed to Prim (and vice versa)?
...in a very straightforward way : http://www.thestudentroom.co.uk/showthread.php?t=232168.
Kruskal's algorithm will grow a solution from the cheapest edge by adding the next cheapest edge, provided that it doesn't create a cycle.
Prim's algorithm will grow a solution from a random vertex by adding ...
Using parameters in batch files at Windows command line
...p to grab them, as defined here:
http://www.robvanderwoude.com/parameters.php
Notes about delimiters for batch parameters
Some characters in the command line parameters are ignored by batch files, depending on the DOS version, whether they are "escaped" or not, and often depending on their locati...
What's the best practice to “git clone” into an existing folder?
...uld be the accepted answer since it is not a hack.
– php_nub_qq
Jul 4 '18 at 19:31
5
Actually thi...