First, let’s start with a little joke about JavaScript: See the difference? This book is targeted at helping readers understand the ‘low level’ implementation details of JavaScript. The code examples on nuances of the language are the best I have found. As … Continue reading
Associative Arrays in JavaScript are a breed of their own. It is a side effect of the weak typing in JavaScript. To understand the issue, let’s walk through some examples: The length property is not defined as it would be … Continue reading
McDonald’s has a checklist for making a Big Mac, but surgeons also use checklists so they don’t cut off the wrong limb of a patient. Checklists sound mundane, but they ensure quality. In the case of a Big Mac, the … Continue reading
From time to time, MySQL 5.1 databases need a little house keeping. We found our production DB had a hard time running a simple join query between two tables with about 400k rows. It was taking between 30 and 100 … Continue reading
Tutorial on command line SSH tunneling, port forwarding. How to setup an SSH tunnel using bash scripting. SSH port forwarding (aka tunneling) is useful for getting into remote systems securely. If you need to access a database server, source repository, … Continue reading
