If you have come across this strange error you are probably trying to get a Realtek wifi dongle working on a Raspberry Pi. The trick is that if you plug in the wifi dongle and you don’t see the blue LED flashing, then get ready to start debugging. Before you try pumping up the current… Read More »
Engaging and gripping read from beginning to end. Around 500 pages of entertainment for anyone who wants to know all about Twitter.
Introduction A 32 bit Cyclical Redundancy Check is a means of error detection in data transmission. There are plenty of online calculators that will help you automatically calculate the CRC32 of a given value. What I wanted to do was to understand how it is calculated. So what better way than to try and replicate a… Read More »
Well, almost my favourite, but it is pretty cryptic to say the least. All I was trying to do was run the default Hello World C program after a fresh install of Eclipse. (4.4 in this case) on Ubuntu 14.04 After a bit of searching, this post nailed it. http://stackoverflow.com/questions/11390163/running-ubuntu-eclipse-c-helloworld I was trying to execute… Read More »
I had been battling with cryptic error from Mule Anypoint Studio for several days banging my head against the wall.I tried uninstalling and reinstalling Anypoint Studio and also tried Eclipse with the Anypoint Studio plugin. All to no avail. In the end, the solution was simple. I had installed the wrong version of the CRC32… Read More »
So the mouse works out of the box which is great but I wanted to customize some of the button. This device has 4 extra buttons. The wheel not only scrolls up and down, but you can click it left and click it right. There are also 2 extra buttons near the thumb. Out of… Read More »
Introduction If you have been following some of my recent blogs you will have noticed that I managed to get: Mule running on a raspberry pi A bash script to turn on an LED on a raspberry pi Mule executing the above bash script I thought I’d bring all these concepts together and see what… Read More »
I have been wanting to do this for quite some time but had absolutely no idea how it was even possible. But with the power of the internet and lots of background reading, I managed to turn on and off an LED that was connected to the GPIO pins of my raspberry pi. This blog… Read More »
Intro I wanted to figure out how to run bash scripts in Mule ESB so my first point of call? Google. Google returned a few useful results. Primarily: http://stackoverflow.com/questions/13039604/running-shell-scripts-from-mule-esb and http://mule.1045714.n5.nabble.com/Can-I-run-a-shell-script-from-Mule-Jython-td2658688.html Being new to this I couldn’t make out much but 2 things stuck out. Groovy and “ls”.excute(). Armed with these 2 clues, I tried… Read More »
If the IBM Websphere Cast Iron Web Management Console becomes non responsive, then the command line will be your best friend. SSH into the appliance using Putty if in windows or the standard terminal in Linux and run the various system commands from the link to the docs below. http://www-01.ibm.com/support/knowledgecenter/SSGR73_7.0.0/com.ibm.wci.cli.doc/CLI_system_commands.html?lang=en Useful commands: system clean running… Read More »