Never leave ‘commented code’ in the source

Comments in code are good. But not when they consist of old code that has been commented out of the live code. Git rid of that.

Source Management – 7 Rules

Those new to a source code management system tend to make a few predictable mistakes. These 7 rules are helpful to be learned right away and form a good practice from the beginning. I also have seen some experienced programmers who could benefit from following these rules.

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Error messages should be very literal

We all struggle with the correct wording for error messages. It is not easy. But I ran across an example today that should help understanding

Error-First Design in JSON/REST/AngularJS integration

You have heard about “mobile-first” when creating your UI, but there is something you should do before you start designing the UI:  you should design the error handling/display mechanism first.