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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()->...
Installing specific laravel version with composer create-project
...efer-dist laravel/laravel Projectname "6.*"
Run Local Development Server
php artisan serve
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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 ...
Comparing two byte arrays in .NET
...11 software license
// Ref: http://www.opensource.org/licenses/mit-license.php.
static unsafe bool UnsafeCompare(byte[] a1, byte[] a2) {
if(a1==a2) return true;
if(a1==null || a2==null || a1.Length!=a2.Length)
return false;
fixed (byte* p1=a1, p2=a2) {
byte* x1=p1, x2=p2;
int l = a...
(Built-in) way in JavaScript to check if a string is a valid number
...
This is what I was looking for, the equivalent to php ctype_digit
– Miguel Pynto
Sep 20 '19 at 11:17
...
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...
Using .gitignore to ignore everything but specific directories
...do this.)
wp-content/plugins/*
# !wp-content/plugins/my-single-file-plugin.php
# !wp-content/plugins/my-directory-plugin/
# Ignore everything in the "themes" directory, except the themes you
# specify (see the commented-out example for a hint on how to do this.)
wp-content/themes/*
# !wp-content/th...
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
...
How to load images dynamically (or lazily) when users scrolls them into view
...ssary for the data pull.
$.ajax({
type: "POST",
url: "myAjaxFile.php",
data: {"resultNum": 30, "numPerPage": 50, "query": "interesting%20icons" },
success: myInfiniteLoadFunction(msg)
});
The ajax returns some (most-likely JSON formatted) content, and passes them into the loadnig ...
Whitespace Matching Regex - Java
...
For Java (not php, not javascript, not anyother):
txt.replaceAll("\\p{javaSpaceChar}{2,}"," ")
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