Archive for June, 2008

JavaScript Canvas charting/timeline example

Monday, June 30th, 2008

I was on holiday last week and haven't been really able to think of anything really really interesting to write, so here's something I made a while back: A Canvas-element powered chart/graph/timeline thing of my programming language skills, which I made as an excercise for making chart-type stuff with canvas. I ...

Simple Photoshop-style layers using JavaScript

Monday, June 23rd, 2008

Today I wrote a small JavaScript class to display images layered on top of each other, in a similar manner as layers are shown in editors like Photoshop. I wanted to show my Dwarf Fortress to someone, but I didn't just want to stack screenshots below each other like you'd ...

Dependency Injection, or how to make simple concepts sound difficult

Saturday, June 21st, 2008

You may have heard of Dependency Injection. It's essentially a way to remove implementation dependencies from classes, or "the process of supplying an external dependency to a software component. It is a specific form of inversion of control where the concern being inverted is the process of obtaining the needed ...

Put Excel on the net with ASP.NET

Wednesday, June 18th, 2008

Remember when I introduced the idea of cloning Google Spreadsheets with ASP.NET using Excel? Well, it turns out to be a perfectly feasible task, and I have a working prototype too!

Is web application development less challenging than desktop application development?

Monday, June 16th, 2008

I have heard several times that what I do is not "real programming" - web application development is supposedly less challenging than "proper" desktop application development. But is it really so?

Good habits I learnt from Django

Friday, June 13th, 2008

Django has various good features I've previously mentioned. While they can't be taken out and applied to other languages like PHP right away, it also has some nice ways of doing things that can be taken and used elsewhere. Let's look at some good habits I took from Django and started ...

Page2Rss and Yahoo Pipes

Wednesday, June 11th, 2008

There are many RSS feeds that I've subscribed to, and some websites that I check often that don't have feeds, for example to read comics. With all the stuff in the feeds, there's also some things that I don't want to see, such as newsposts in some comic feeds that ...

Google Spreadsheets, ASP.NET and Excel

Monday, June 9th, 2008

I've lately been using Google Spreadsheets to display project costs to my clients etc., and for that it's quite nice. Quite similar to Excel, too, so it was easy to get going. What bothers me to no end, though, is that editing spreadsheets does not work in Opera at all. ...

User experience comparison: Online stores vs. Real stores

Friday, June 6th, 2008

This one has been hanging on my drafts list for a while. Kind of lost track of thought during writing this and I never got around to writing about all the points I intended to... but there's still some interesting thoughts here so I decided to post it anyway :) While ...

Zend_Form’s from Doctrine models: Part 2

Wednesday, June 4th, 2008

Previously I wrote about my class for generating Zend_Form forms from Doctrine models. This time, let's look at some more usage examples and how it works internally, to make it easier for you to utilize it.