TCP is one of the core protocols for the TCP/IP suite. It provides a reliable data connection without you needing to worry about errors, congestion and other communication problems that haunt the internet. But how does TCP work? It’s another edition of the back-to-basics series.
Joshua Thijssen is a freelance consultant, developer and trainer.
His daily work consists of maintaining code bases, working on different projects and helping other to achieve higher standards in both coding and thinking.
Monthly Archives: February 2011
Having fun with Arduino
So yesterday I’ve finally received my Arduino Mega. If you know me, you know I’m not even capable (or allowed) to handle a screwdriver, let alone something even more complicated things like transistors, resistors etc.. However, with the help of some friends over on the #pfz channel on freenode to create the schematics, I’ve made…
memcache internals
Memcache is a pretty well-known system inside the web-community and for a good reason. It’s fast, flexible, lightweight and it looks like installing memcache on your servers automatically increases your website speed tenfold or more. Ok, so that’s a bit over the top, but still: having a good caching-strategy in place can help your website/application.…
Password hashing and salting
The thing everybody (should) know is that when you want to secure passwords in – let’s say – a database, you have to hash to them. It’s kind of a golden rule but is it safe enough? Ask a more experienced user and they probably tell you to add some salt. Ask the reason why…
Make me a sandwich. Ok!
I have to admit it: grew up with unix “the wrong way”. Instead of having decent user-accounts for every employee, all our work was done under the root-account. The main reason for this is that our software deployment system didn’t really worked the way it should and I guess nobody really cared. It worked.. login…
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