- Apr 15 2010
Quick way to test many values in ruby
4 min
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...
- Feb 22 2010
String concatenation in ruby
1 min
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...
- Feb 10 2010
Ruby-Jump plugin for gedit
2 min
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...
- Aug 11 2009
Keep an eye open on what LINQ does
4 min
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...
- Jun 19 2009
Eclipse plugin to exclude svn and cvs folders in text search
1 min
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...
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Sergio Medina Alumni

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