Tutorials
Qt C++: Threaded Communication with Artema Hybrid on Linux
Communicating with an Artema Hybrid CC Payment device is actually deceptively simple. I’ve written an application what uses a webkit widget exclusively for the UI display, and so I hook into the Javascript to provide some extra functionality to the app, in this case, reading and writing to/from the Artema Hybrid device. The documentation that [...]
Tags: C++, C/C++, HowTo, QT, Tips and Tricks
Posted in: c/C++, C/C++ Programming, Computer Science, Javascript Tutorials, Linux, OOP, Qt, Tips and Tricks, Topics, Tutorials | No Comments »
Rails will_paginate links to wrong page
Well, While setting up a website today I found a bit of retardation in will_paginate. Aside from poor and complicated documentation and an incredible amount of bloat for what amounts to a very simple kind of website component, I found that will_paginate was linking to /?page= on a page that showed in the url bar [...]
Tags: HowTo, jQuery, Ruby on Rails
Posted in: Javascript Tutorials, Ruby on Rails, Ruby on Rails, Tips and Tricks, Topics, Tutorials, Web Design | 3 Comments »
Rails 3 – PHP Style Global Variables, $_SESSION, $_GET, $_POST in the models, and everywhere.
PHP Globals in Rails 3 So, as part of my slow descent into hell for even showing this stuff, I thought I would make a quick and dirty post about getting PHP like globals into your models in Rails. I wrote a longer article about globals in the model in rails which you can check [...]
Posted in: Computer Science, PHP Tutorials, PHP/MySQL, Ruby on Rails, Ruby on Rails, Tips and Tricks, Topics, Tutorials | No Comments »
Apache2/MySQL on Ubuntu Configuration
Once you’ve installed apache2 and mysql on your server, you might want to try these configuration changes to make it perform a bit better: In /etc/mysql/my.cnf key_buffer = 16K max_allowed_packet = 1M thread_stack = 64K table_cache = 4 sort_buffer = 64K net_buffer_length = 2K And in Apache2′s config, /etc/apache2/apache2.conf, find the section for MPM prefork [...]
Posted in: General Computing, Linux, MySQL, PHP/MySQL, Tips and Tricks, Topics, Tutorials, Writings | No Comments »
Never Again! Backing up your rails .sqlite3 dbs
Well, with mysql, it’s pretty hard to overwrite your dbs, but with sqlite, it’s real easy. I did this, luckily I only lost about a days worth of work, but nevertheless, I have instituted a new rule for sqlite3 dbs: Hourly backups. Here’s the script: #!/bin/sh D=`date +%H` cp -f /var/www/app/db/production.sqlite3 /var/www/fapp/db/production.sqlite3.bak.$D Related Posts:Rails will_paginate [...]
Tags: Backups, Rails, Ruby on Rails, Shell Scripting, Sqlite3
Posted in: Computer Science, General Computing, Linux, Ruby on Rails, Ruby on Rails, Tips and Tricks, Topics, Tutorials, Uncategorized, Writings | No Comments »
Deploy Ruby on Rails to the Desktop (Ubuntu), as a Debian Package
Introduction to deploying Rails Applications to the Desktop Some things you’ll learn in this series of articles: How to distribute a Rails App to an Ubuntu Desktop How to Compile a custom Ruby installation to avoid conflicting with an existing Ruby install Get automatic updates to all users for free by virtue of being a [...]
Posted in: C/C++ Programming, Computer Science, General Computing, Ruby on Rails, Tutorials, Writings | 1 Comment »
Rails 3 Migrations Cmdline Builder
This is a little helper for making migrations.
Tags: HowTo, RoR, Ruby on Rails
Posted in: Computer Science, Ruby on Rails, Ruby on Rails, Tips and Tricks, Topics, Tutorials, Web Design, Writings | No Comments »
Ruby on Rails Session in Models: Not So Evil Actually
I just finished reading this post from m.onkey.org on how to put your session into your models. First off, I love this guy, and his site, and most of what he says, but I’ve had it up to here with this nonsense. I also kind of felt a little dissed by the PHP comment. I [...]
Tags: OOP, RoR, Ruby, Ruby on Rails, Singleton
Posted in: Computer Science, General Computing, OOP, Ruby on Rails, Ruby on Rails, Tips and Tricks, Topics, Tutorials, Writings | 1 Comment »
Spree Commerce, eBay Trading API, and the eBay Accelerator Toolkit from Intradesys EbatNs
In this bit, I talk about using the EbatNs SDK for the eBay Trading API, to list items from your Spree Commerce store, or really any rails application. Filled with production code examples from an honest to god real live and working spree site that interfaces with the eBay trading API to Add, Revise, and End items, on ebay when they sell in your store, or on your store when they sell on eBay.
Tags: eBay, HowTo, PHP, Programming
Posted in: eBay, PHP Tutorials, PHP/MySQL, Tips and Tricks, Web Design | No Comments »
SOAP APIs R Klunky or How to waste bandwidth for no good reason
The fact that SOAP is still around is, to be honest, absolutely beyond my comprehension. No serious effort seems to have been put into something like JSONRPC. Still, when it comes to some API calls, SOAP is pretty darn good, but this here is one example of it being used as just a waste. I [...]
Tags: eBay, Rant, RoR, Ruby on Rails, Spree Commerce
Posted in: PHP/MySQL, Ruby on Rails, Ruby on Rails, Tips and Tricks, Topics, Web Design | No Comments »