Andrey Mikhalchuk’s Blog

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 …

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 …

“Setup cannot continue because some system files are out of date on your system. Click OK if you would like setup to update these files for you now. You will need to restart Windows before you can run setup again. Click cancel to exit setup without updating system files.”

First time I was struggling with the problem when I tried to install Dino-MITE - an excellent program for monitoring ancd controlling home dinosaurs manufactured by Ugobe. Later it appeared that the problem is more common and frequently occures with during the installation of various products written in Visual Basic.

I’ve got new Archos DVR Station recently. The nice thing about it is a cool remote with tons of different buttons that provide full keyboard+mouse functionality for Archos 605 PMP. Unfortunately the remote appeared to be dead. I was almost ready to pack it and send back to the store when recalled a situation happened a few years ago. Some device I was 100% sure is ok didn’t work with brand new batteries. The problem was too short “+” tip on the battery. Some devices (like this Archos DVR Station) have weird profile of battery holder that prevents the “+” tip from touching the contact spring. The solution is quite simple - use some sharp tool to pop the contact spring out the plastic “niche”. Alternatively you can just buy a different type of battery with longer tip.
BTW, the batteries that have this problem were “batteries.com” brand, but I saw couple other brands with the same problem.

You ran ./configure and got “configure: error: C++ compiler cannot create executables”. Here is how to fix it …