You should endeavor to tell objects what you want them to do; do not ask them questions about their state, make a decision, and then tell them what to do.

In a recent post, Stephan Schmidt makes several suggestions in order to write "Next Generation Java". Unfortunately, I disagree with most of them

Even if you’ve trapped, you can change your programming style and reap some of the benefits of those new languages. In the last 15 years Java programming style has changed significantly.

By far the dominant reason for not releasing sooner was a reluctance to trade the dream of success for the reality of feedback.

As we get ready to upgrade our servers I thought it’d be a good time to upgrade our deployment process. Currently pushing out a new version of GitHub takes upwards of 15 minutes. Ouch. My goal: one minute deploys (excluding server restart time).

In a nutshell, Bowline lets you build cross platform desktop applications with Ruby, HTML and JavaScript. The idea is to make building desktop apps as simple (and fun) as building Rails websites.

We had a conversation about the fact that the 'TDD is about testing vs TDD is about design" debate that keeps popping up, especially now in the Ruby community.

Not all icons in the Finder are created equal. There are the normal file and folder icons. Then there are disk icons, which appear in the same context as normal icons, but behave differently. Then there are the proxy icons in window title bars. Then there are the quasi-alias icons in the Dock or the Finder sidebar - but even among the Finder sidebar icons, there are differences. These non-obvious inconsistencies are confusing to new users

For instance, the UI finds that a certain card is in the graveyard. It is essential that the UI sub-system does not care why the card is there, or how it got there. It is entirely a dumb client.

Rake tasks to run specs and tests in parallel, to use multiple CPUs and speedup test runtime.

HotKey provides functionality similar to the accesskey attribute, but has many enhancements that allow for more granular control when creating keyboard driven interfaces.

Despite the many JavaScript libraries that are available today, I cannot find one that makes it easy to add keyboard shortcuts(or accelerators) to your javascript app. This is because keyboard shortcuts where only used in JavaScript games - no serious web application used keyboard shortcuts to navigate around its interface. But Google apps like Google Reader and Gmail changed that. So, I have created a function to make adding shortcuts to your application much easier.

hat's the dirty little secret of our industry; green screen apps are usually pretty darn fast. They aren't simple, though. They are designed for trained users, users who have long since added their app usage patterns to their muscle memory.

An example of the conundrum of transferring print documents to the web, one that has become legendary in some circles, is the film screenplay.

With Scrippets, you can add boxes of nicely-formatted script to your blog. It even works in comments.

Named arguments for Ruby constructors.

Read_from_slave for Rails enables database reads from a slave database, while writes continue to go to the master

FastImage Resize is an extremely light solution for resizing images in ruby by using libgd

Freemium is a bad marketing plan for any premium business that hopes to be the differentiated provider.

There will always be a company that replaces you. At some point your BlackSwan competitor will appear and they will kick your ass. Their product will be better or more interesting or just better marketed than yours, and it also will be free.

Highslide JS is an open source image, media and gallery viewer written in JavaScript.