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Resume and bio of the author Couple of articles related to my hobby - robotics
My impressions about immigration to Australia. In Russian only. Recipes for everyday problems solving
Linux-related posts Windows-related posts
Software-related posts A lot of info about hardware
Different tools you might find useful Posts about various web technologies
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Andrey Mikhalchuk’s Blog

Technoblog about life

Jun 20, 2010 Fixing Wireshark’s “TCP checksum offload” error in linux

On some linux machines when you run wireshark you may notice that a lot of packets are marked as invalid (highlighted as black). The contents looks perfectly correct, but for some reason checksum is brkoen and wireshark suggestes that the reason for such unpleasant event is “TCP checksum offload”. Let’s fix it …

Jun 19, 2010 Fix: Error: register r24, r26, r28 or r30 required

I was recently compiling some Arduino code with NewSoftSerial and got hit by infamous “Error: register r24, r26, r28 or r30 required” error. NewSoftSerial is a great library and those using older avr-gcc compiler enjoy it alot. Problem is the newer gcc doesn’t like one nasty error in the code and here is how to fix it …

Jun 11, 2010 How to Do Excellent Presentations. Part I.

funny-dog-pictures-beastie-boysHi!
I’m sitting here at the Rails conference (has nothing to do with trains) and watching at the presenter struggling with the equipment. This leaves me couple minutes to start this post about how to do great presentations and not to do bad ones.

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