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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()->...
How do I change my Ruby version using RVM?
...t tells you how to take care of this. Or go to the install page on the RVM site and check out the section titled "2. Load RVM into your shell sessions as a function"
Run this once to add the line that loads rvm into your ~/.bash_profile:
$ echo '[[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOM...
Prevent form redirect OR refresh on submit?
...
Worked like a charm! And fast as anything! I love this site! Thank you so much.
– Ian Storm Taylor
Aug 12 '09 at 2:01
3
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How to terminate a Python script
I am aware of the die() command in PHP which exits a script early.
10 Answers
10
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C# Regex for Guid
....
Ruby supports them starting with version 2.0. Languages such as Delphi, PHP, and R that
have regex features based on PCRE also support conditionals. (source http://www.regular-expressions.info/conditional.html)
The regex that follows Will match
{123}
(123)
123
And will not match
{123)
(123}...
How to theme the ENTIRE Xcode IDE to light-on-dark?
... can be found in Google (http://www.mattlag.com/scripting/hexcolorinverter.php). And voila! "Ctrl-Opt-Cmd-8" + "Inverted Dark Theme" makes the whole Xcode environment dark and looking great, without the need of hiding any other sections of Xcode like Navigator, Debug and Utilities.
Let me know if t...
Do asynchronous operations in ASP.NET MVC use a thread from ThreadPool on .NET 4
...d testing tool in order to simulate multiple users in parallel on your web site to see how it behaves under heavy load. Mini Profiler cannot simulate load on your website. It might help you see and optimize your ADO.NET queries and profile a single request which is useless when you need to see how y...
Can't access RabbitMQ web management interface after fresh install
...) on a fresh Centos 5.10 VM according to the instructions on the official site.
4 Answers
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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 ...
Python script to copy text to clipboard [duplicate]
...
See Pyperclip. Example (taken from Pyperclip site):
import pyperclip
pyperclip.copy('The text to be copied to the clipboard.')
spam = pyperclip.paste()
Also, see Xerox. But it appears to have more dependencies.
...