Technical Insights

Deep dives into Apache Cassandra, distributed systems, performance optimization, and software engineering at scale.

2 min read linux, php

'PHP: Setting Up XDebug with KCacheGrind'

KCacheGrind is a very useful tool to identify bottlenecks in your applications. This will explain the steps to using it to find issues with your PHP scripts. For me, the scripts are all web pages. …

1 min read apache, linux

Apache Compile Error

I got this while recompiling apache (2.2.4).

configure: error: Cannot use an external APR-util with the bundled APR

After searching around for a while, I found a tip here to include this in my …

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apache linux
1 min read demand media

We're hiring

My company, Demand Media, has 10 spots for .NET web developers. If you’re good, and interested in a job in Santa Monica, hit me up. jon AT letsgetnuts dot com.

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demand media
1 min read linux, php

PHP compile error on CentOS Install

I installed CentOS 5 on my VMWare a few days ago. I installed gcc via yum, compiled and installed libxml2. I then tried to install PHP 5.2.3 and received this error:

configure: error: installation …

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linux php tips
1 min read weird

More ridiculous ads

I can’t even handle these sometimes. This is off violentacres, a blog I like to read every now and then because the author is such an asshole.

weird diet ad

Edit: I accidentally used the thumbnail when I …

1 min read svn

Using SVN to Manage a Website

We’ve tried several ways of using SVN to manage Answerbag. Here’s a brief overview.

  1. We work out of the trunk for very small projects (under a few hours)

  2. We create branches to deal …

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