Many times we end up having similar tests: same logic but different inputs and expected outputs. For example, suppose we need to test our brand new sqrt function: test "sqrt 1" do assert_equals 1, sqrt(1) end test "sqrt 4" do assert_equals 2...

I just found out the difference between += and << when used for a string. irb(main):001:0> str=chan => "chan" irb(main):002:0> str.object_id => 69952758899780 irb(main):003:0> str +=ged => "changed" irb(main):004:0> str.object_id => 69952758848800...

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...

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...

Once again, Sergio was complaining because matches inside svn folders were showing up in search results. Since I like challenges, I wrote this small Eclipse plugin that excludes .svn and CVS folders from searches. Here's the relevant file (contains...