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Handling children with accepts_nested_attributes_for in Rails

String concatenation in ruby

I searched the internet for a gedit plugin that would allow me to press a key and jump (navigate) to the file where a ruby class is defined. I couldn’t find one so I wrote one (I know about Geany but I couldn’t find that functionality there either...

In order to prevent the dreadful copy-paste habits in unit tests (remember, tests are also code, so all the good practices you use when writing code should also apply to tests) a common pattern to test similar behaviour when slightly changing the input...

Suppose you have to fix a bug in an ASP.NET application. You’re a TDD-guy so once you identify it, you write a test which should reproduce it. Then you run it and… null pointer exception. Your testing framework may have pointed you to the exact line...

Today I was profiling an application. The timings pointed to a piece of code that executed a query using LINQ. I opened an SQL profiler and saw what queries were performed. Here they are: SELECT [t3].[value] AS [Key] FROM ( SELECT ( SELECT [t2].[Role

Eclipse plugin to exclude svn and cvs folders in text search

Tests are also Code

State vs Behaviour Verification

Again, Sergio, a friend of mine, came up with a need: to sort Eclipse Java proposals by hierarchy. What that means is that if you have a type C < B < A (where < means subclass of), first C‘s methods will be shown, then B’s methods and finally A’s methods...