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How to redirect to a 404 in Rails?
...ow a 404 page, create a render_404 method (or not_found as I called it) in ApplicationController like this:
def not_found
raise ActionController::RoutingError.new('Not Found')
end
Rails also handles AbstractController::ActionNotFound, and ActiveRecord::RecordNotFound the same way.
This does t...
How Python web frameworks, WSGI and CGI fit together
...embeds Python inside Apache; no process is forked. Apache runs the Django application directly.
Daemon mod_wsgi or mod_fastcgi allows Apache to interact with a separate daemon (or "long-running process"), using the WSGI protocol. You start your long-running Django process, then you configure Apach...
Detect iPad Mini in HTML5
Apple's iPad Mini is a smaller clone of the iPad 2 in more ways than we'd want. In JavaScript, the window.navigator object exposes the same values for the Mini and iPad 2. My tests so far to detect the difference have not lead to success.
...
GridLayout (not GridView) how to stretch all children evenly
...
Appcompat21 GridLayout has the column and row weights which can be used like below to evenly create each grid item in the gridlayout like the image above.
<android.support.v7.widget.GridLayout
xmlns:android="http://schem...
Difference between ApiController and Controller in ASP.NET MVC
...e client. Also, they follow a different routing scheme by default (as in: mapping URLs to actions), providing a REST-ful API by convention.
You could probably do anything using a Controller instead of an ApiController with the some(?) manual coding. In the end, both controllers build upon the ASP...
Core dump file analysis [duplicate]
...ts possible to run gdb path/to/the/binary path/to/the/core when coredumped app is not compiled with -g flag, but path/to/the/binary is same version app, but with -g flag?
– PSIAlt
Nov 18 '12 at 10:45
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What size should apple-touch-icon.png be for iPad and iPhone?
Are Apple touch icons bigger than 60x60 supported, and if so, what dimensions should I use for the iPad and iPhone?
11 Answ...
Why JSF calls getters multiple times
...p;t=29546
Recently, I have been obsessed evaluating the performance of my app, tuning JPA queries, replacing dynamic SQL queries with named queries, and just this morning, I recognized that a getter method was more of a HOT SPOT in Java Visual VM than the rest of my code (or majority of my code).
...
Programmatically retrieve memory usage on iPhone
I'm trying to retrieve the amount of memory my iPhone app is using at anytime, programmatically. Yes I'm aware about ObjectAlloc/Leaks. I'm not interested in those, only to know if it's possible to write some code and get the amount of bytes being used and report it via NSLog.
...
Create, read, and erase cookies with jQuery [duplicate]
...'t specifically alluding to above, but when I include it in my Gemfile and application.js (immediately after //= require jQuery, as the installation instructions say to do), I get an error whenever I load the app about missing files. If I remember correctly, the error was something like "Sprockets::...