14. June 2014
Migrating SQLite for PHP 5.2 to PHP 5.4 on Ubuntu
PHP 5.4 discontinued support for SQLite 2 databases. Updating an old legacy PHP application with a SQLite database to a new server is not very difficult.
12. June 2014
A Lottery Model
Having studied math in university, I am well aware that buying lottery tickets is a losing proposition. In Ontario, where I live, there is a lottery called 6/49. The rules are simple: pick 6 numbers out of 49 possibilities, if your choice matches a random choice of 6 numbers made in the draw, you win the jackpot. The probability of winning this is:
09. May 2014
Counting sort
I have a thing for sorting algorithms. They’re fairly accessible as far as algorithms go, and it’s always fun to look under the hood of how computers go about their business. Thinking algorithmically makes you a better programmer too.