Wednesday, May 1, 2019

This blog has moved

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Hi, I am no longer publishing new content on platforms-that-might-go-away like Blogspot or Medium. You can find my new stuff on https://d...
3 comments:
Friday, March 24, 2017

On Linux vDSO and clock_gettime sometimes being slow

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Like the previous post on this somewhat dormant blog, I want to share an oddity I discovered that no search engine could really find for me...
12 comments:
Thursday, May 19, 2016

Brief note on LuaWrapper and unexpected crashes in destructor & destructor ordering

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PowerDNS products rely heavily on Lua, and we mostly use the most excellent LuaWrapper  to seamlessly share data and code between Lua and ...
3 comments:
Friday, October 23, 2015

How to do fast canonical ordering of domain names

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A small post to document an arcane subject: how to quickly do a comparison of DNS names in canonical order. First, to recap, what is DNS ca...
7 comments:
Monday, August 10, 2015

Startups don’t win RFPs: here’s why you might want to do one anyhow

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(I’d like to thank Dirk Peeters who taught me most things RFP and Remco van Mook for commenting on and improving this post.) As I fin...
5 comments:
Wednesday, July 15, 2015

Developing open source: don't listen to the people that want you to live under a bridge

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This post is for open source developers and all other people working on open source, while trying to make a living. You may also get referr...
4 comments:
Saturday, June 6, 2015

Design of DelayPipe, a small class to let you execute millions of things in the near future

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When developing, quite frequently we run into the situation where we want to delay an action a little bit, perhaps for half a second. If yo...
2 comments: