SourceForge.net: Reverse Snowflake Joins A very interesting tool that can visualise a query – great for debugging queries. (tags: python programming visualization database)

Microsoft Interview Questions A collection of interview quizzes that MS uses. (tags: interview microsoft questions puzzles)

SQL WHERE clauses: Avoid CASE, use Boolean logic An excellent discussion in using boolean logic in place of 'case' when writng SQL queries (tags: sql performance boolean) James Carr » Blog Archive » Adventures in Agile Retrospectives A great article … Continue reading →

Tip #6 – Customize Propel Generated SQL – Aide de Camp – Fabien Potencier A description as to how the sqdb.map in symfony works (tags: php symfony)

A Javascript stacktrace in any browser A cross browser javascript stacktrace generator. Pretty damn kewl. (tags: javascript debugging)

Raphaël—JavaScript Library An interesting library that provides a more simplified interface to drawing vector graphics in the browser. Either uses SVG or VML (tags: javascript graphics vector web)