Array::include? on ActiveRecord collection not calling op==?

Given a collection of named Foos from ActiveRecord, why does Array#include? not seem to call Foo.== but yet index does?

The fastest way to do a collection subtraction

I have two Sets. Set bis the subset of Set a. they\'re both very huge Sets. I want to subtract b from a, what\'s the best practice to do this common operation ?

Restricting direct access to your view-files in CodeIgniter?

I’m new to CodeIgniter, I was wondering if it’s considered a good practice to restrict direct access to your view-files? Obviously they are going to contain a lot of php-code that relies on va开发者

摩托多少钱啊？？

林林168666开发者_运维百科 2022-05-10 11:06 多少钱的都有，一般的万把块钱，好的十几万几十万，更好的上百万全都有，差点的几千块钱的也有

Having an issue with my TextBox control template

I am working on a simple textBox template, which is just two borders, one with a gradient background.Now, my specific issue is that I want to be able to set the foreground color of the textBox to what

How to transfer session data from one server to another server?

We have developed one Web Application which is running in only one ser开发者_Python百科ver. Now client needs our application be in two servers. So if one of the servers down then another server should

办离婚证多少钱啊？去民政局办理离婚要交多少钱？？

jquery .css() problem ...help please

I havea such codejust entering start part for you $(do开发者_运维技巧cument).ready(function(){

药清是什么歌？

Visual Studio Blog

I want to write a blog and some of the blogs that I\'ve seen on the Internet have code 开发者_JS百科snippets in VB.NET or C# that look like the text in Visual Studio itself even with the colors.