Posts Categorized: Technical Blog

Liveblogging at Confoo: [not just] PHP Performance by Rasmus Lerdorf

Before you do anything else install an opcode cache like APC. Wordpress really likes this type of caching, see this slide for the results. Set the timezone, to make sure conversions aren’t being done all the time. Make sure you are cpu-bound, NOT I/O bound. Otherwise, speed up the I/O. Then strace your webserver processs. There are common config issues that you can spot in your strace code. grep for ENOENT which shows you “No such file or directory” errors.

Liveblogging at confoo: Can Twitter make money?

Why is social media and social networking essential to you and your business? (because it will drive sales, but there’s very few analytics for ROI on social networking and social media) Relying on advertising is no longer working for print newspapers and television. So why do we think it will work on internet media?

Liveblogging: HTML5 – Confoo Keynote

What is confoo? It is the sequel to the PHP Quebéc Conference (2003 – 2009). This year PHP Quebec decided to team up with Montreal-Python, W3Quebéc and OWASP Montréal to produce confoo. And now, on to Mark Pilgrim of Google speaking on HTML5.

International Women’s Day

Start planning your blog posts for Ada Lovelace day now (March 24th) To that end, I would like to point out all the women currently in science and tech fields that I admire and think are doing great things. I think it would be great if everyone, male or female, made a list like this

On the Perils of Importing Remote Tags in Git

One of the things I love about Git is how I can add branches from remote repositories in mine at will without fearing messing up anything. The remote branches will not clash with mine, even if they share the same names, because they are referenced as repository/branch. However, as for anything else, you can still poke yourself in the eye if you try hard enough…

Database tuning: ratio vs. rate

If I told you that your database had a ratio of temporary tables written to disk of 20%, you might think “aha, my database is slow because of a lot of file I/O caused by writing temporary tables to disk!”. However, that 20% ratio may actually mean a rate of 2 per hour — which is most likely not causing excessive I/O. To get a sense of this concept, and also how mysqltuner works, I will show the lines from the mysqltuner default configuration that deal with temporary tables written to disk.

Page 50 of 57« First...102030...4849505152...Last »