This is a review of a reversible debugger. Eclipse, DDD, and also the IDE I use at work. Which is GNAT Programming Studio. Like features provided by IDEs, or the invaluable error-detection capabilities of Valgrind. I first saw a reversible deb.

General optimism, in a mild and British sort of way. Saving the world, one cpu cycle at a time. Stopping dictionary attacks on wp-login. php with a couple of lines of nginx configuration.

Leave a comment on my talk on facebook infrastructure. MySQL does not need SQL. Replication, etc, but it really sucks at executing SQL. How would a direct cursor access work? .

Monday, May 17, 2010. Recently I was working with the output of pstack. In order to combine stack traces.

Introducing The Real Talk Podcast. The Cost of Ruby 1. InnoDB kernel mutex Contention and Memory Allocators. How to Lose 100 Pounds. Why RubyGems Needs Loren Segal.

Reverse-engineering exact location information through trilateration. Many datasets on the internet accidentally expose location information. I happened upon such a dataset and wanted to try rediscover the original location through trilateration. Trilateration, which is commonly wrongly referred to as triangulation, is the process of finding a location.

A blog about MySQL and other bits and pieces. Friday, August 1, 2014. Basic Windows MySQL Installation Without Installer. It dawned on me that most folks are using the Installer these days. As I need quick access to every MySQL version, using an Installer is never an option. So this shows how to setup an instance manually.

To talk about cool stuff we are doing lately. Last time was some weeks ago, and I gave a short talk about how you can use Python to extend and customize the functionality of gdb. There is no recording of the talk, but you can read the slides. The tracepoint facility is c.

Sunday, June 5, 2011. One day we ran into problem when an application was randomly starting using more CPU resources as usual. It continued picking more and more CPU resources from time to time.