Routing Life

A fast Queue for Routing in PHP

Lode — Mon, 21 Jun 2010 19:47:49 +0000

Lets honour the title of this blog, and talk about routing. Routing is the process of selecting paths in a network. (from Wikipedia). At RouteYou we are interested in all sorts of paths in street networks : Shortest walk route Shortest cycling route Nicest walk route Nicest cycling route … In the past we used [...]

Global Javascript Variable “media” in Chrome 5

Lode — Wed, 02 Jun 2010 12:11:29 +0000

Apparently, you can’t use a global Javascript variable named “media” in Chrome 5. In all Chrome version prior to version 5, this was not an issue. Starting with version 5, the global variable “media” contains an object of type Media. I’m not sure what it’s use is, but I guess it has something to do [...]

VMware ESXi vs XenServer

Lode — Sat, 13 Feb 2010 22:16:00 +0000

A run through the pros and cons of VMware ESXi and Citrix XenServer. And why we redeem ESXi for XenServer. A year or so ago, we at RouteYou bought a new PC to do data processing. Since we use all sorts of software, some running on Windows other on Linux, we decided to use virtualization [...]

Optimized by-value Assignments in PHP

Lode — Sat, 13 Feb 2010 20:02:12 +0000

In programming some variable types are passed by value, others by reference. Using one or the other has a number of implications. This article handles about the implications of passing variables by value on speed and memory usage in PHP. According to the Zend PHP5 certification study guide, by-reference activity is often slower than using [...]

Page Speed Suggestions in Google Webmaster Tools

Lode — Tue, 08 Dec 2009 13:53:10 +0000

Google added a new labs feature to Webmaster Tools: Site Performance. Besides showing how fast (or slow) your site is, it also gives you some page speed suggestions. The page speed suggestions for RouteYou.com contain one rather strange suggestion. It suggests us to gzip compress the Javascript code for Google Analytics : I don’t think [...]

Debugging PHP SoapClient

Lode — Sun, 06 Dec 2009 13:33:48 +0000

When working with SOAP Web Services, it’s sometimes handy to see the raw SOAP request sent by the client and the raw SOAP response received from the server. This makes debugging your SOAP server or SOAP client that much easier. Wireshark One option is to install Wireshark, a network protocol analyzer for Unix and Windows. [...]

VMware Server Disk IO Performance

Lode — Fri, 24 Oct 2008 16:04:29 +0000

After adding some guests to our VMware Server installation (more information about the installation of VMware Server in Ubuntu) I noticed it becoming realy slow. Even when the guests weren’t realy doing something, it was slow.I found that rather strange since the machine running VMware Server isn’t running anything else and has the following configuration [...]

Install VMware Server on Ubuntu 8.04 (Hardy Heron)

Lode — Thu, 31 Jul 2008 08:28:22 +0000

Recently I had to install VMware Server 1.0.6 and the Management User Interface (MUI) on a fresh installation of Ubuntu 8.04 (Hardy Heron) 64bit edition. Not all went well, but I found some really great information from other people struggling with the same problems. But because all this information is scattered around, I decided to make this post as a compilation of all the information I needed to successfully install VMware Server 1.0.6 and the Management User Interface [...]

Server Side Language Detection with Google Language API

Lode — Fri, 21 Mar 2008 16:35:06 +0000

Yesterday Google announced a new AJAX API for translation and language detection. It’s a Javascript API to translate and detect the language of blocks of text within a webpage. But I need server side language detection of a text using PHP and the Google AJAX Language API. Step 1 : Find Out Internal Working You [...]

Move a PostgreSQL database to a different tablespace

Lode — Sat, 15 Mar 2008 13:00:36 +0000

Did you ever need to move a PostgreSQL database from one tablespace to another? Well I had, last week. It is so much work to do it all by hand, especially when you have 350+ tables with an average of 2 indexes per table. This had to be automated. For those of you who don’t [...]