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Author: halfgaar

http://www.halfgaar.net/

Halfgaar is Wiebe. Wiebe is a contributing author on this weblog. He also has a lot of stuff (such as long, in-depth articles) on his personal website.

Wiebe works at YTEC, where he is a senior developer of customer-specific tailor-made software (“klantspecifieke maatwerk software“) for clients in a few select markets: wholesale, printing and healthcare.

Translating Dutch programming error messages

In .NET, you get Dutch errors when your Windows is in Dutch, which is hugely annoying. You can use this site to translate them, so that you can Google them. Read More »

My universal remote programming codes

Whenever this remote's battery is loose for a while, it forgets its programming. So, here it is: For computer, use the TV setting. Press 1 and 3 for a few seconds, then when the light turns on, enter 0677 as code. Read More »

Kart racing scores

I want to keep track of my kart racing scores: dateTrackRacerfastest Time 2012-07-24Long BeachWiebe55.95 2012-07-24Long BeachWiebe56.22 2012-07-24Long BeachWiebe58.84 Read More »

Apache mod_proxy configuration for The Pirate Bay

I found several apache mod_proxy configs for setting up a proxy for The Pirate Bay, but none worked fully. Read More »

Listing MySQL table sizes

This query lists the sizes of all tables in MySQL: SELECT TABLE_SCHEMA, TABLE_NAME, CONCAT(ROUND(data_length / ( 1024 * 1024 ), 2), 'MB') DATA, CONCAT(ROUND(data_free / ( 1024 * 1024 ), 2), 'MB') FREE from information_schema.TABLES where TABLE_SCHEMA NOT IN ('information_schema','mysql', 'performance_schema'); Read More »

Generating an SSL CSR and key

To generate an SSL certificate signing request (CSR) with key you can do this: openssl req -nodes -newkey rsa:2048 -keyout bla.key -out bla.csr Read More »

Creating a drbd for an existing Xen domain

I needed some VMs to be available on a backup node, which I accomplished with the distributed remote block device, or DRBD. My host machine is Debian 6. Read More »

What all programmers must know about character encoding

click. Read More »

Fixing mailscanner insecure dependancy

Mailscanner cut out on me, without errors in the log. It was only after turning on debug (which prevents backgrounding and it then only processes one batch) that it showed me. Read More »

Setting max memory of a Xen Dom0

I've had some issues with Xen crashing when I wanted to create a DomU for which the Dom0 had to shrink (see bug report). Therefore, it's better to force a memory limit on the dom0. That is done with a kernel param. Read More »