Author Archives: cloudnthings

It’s the putting right that counts.

By | August 26, 2015

Even the big guys get it wrong but it’s the putting right that counts. Thanks Atlassian So a colleague of mine asked me “Where is the attach screenshot option in JIRA?” I had no idea and thought I had incorrectly configured the permission scheme but I’ve never come across this issue before and it WAS… Read More »

How to connect Raspberry pi to Ubuntu via USB Cable

By | August 23, 2015

It sounds daunting at first but when you go through the process, it’s quite simple. First, you need the right equipment. 1. Raspberry Pi. (Kinda goes without saying). 2. USB to TTL Serial Cable. (http://www.adafruit.com/product/954). I actually got mine from https://nicegear.co.nz/raspberry-pi/usb-to-ttl-serial-cable-debug-console-cable-for-raspberry-pi/ as I thought the price was similar but I didn’t take into account the… Read More »

How to convert litecoins to bitcoins

By | August 3, 2015

First of all create an account at: https://btc-e.com. Then click on finances -> deposits. You will then be given an address to send your litecoins to. Copy this address into your litecoin wallet. I use Electrum. There is a 0.001 LTC fee and you will be asked to authenticate the transaction.   Your transaction will… Read More »

Simple multi threading in C

By | July 22, 2015

Looking for a simple and easy to understand explanation of multi threading in C using pthread? Here is a great article with examples and a step by step break down. https://vcansimplify.wordpress.com/2013/03/08/pthread-tutorial-simplified/

argp basic tutorial – step by step

By | July 21, 2015

This document is by far the best out there on the net explaining step by step how argp works! http://ftp.yzu.edu.tw/nongnu/argpbook/step-by-step-into-argp.pdf Download actual file here If you have ever wondered where to find the text “Give this help list”, it is contained in the file argp_parse.c This file is in the argp folder in the package… Read More »

./bitcoin-qt permission denied

By | July 15, 2015

Are you getting these errors on Ubuntu? >./bitcoin-qt > permission denied > sudo ./bitcoin-qt > command not found or the same with litecoin? >./litecoin-qt > permission denied > sudo ./litecoin-qt > command not found First of all, let’s back track a bit. You have probably gone to https://bitcoin.org/en/choose-your-wallet or https://litecoin.org/ and chosen to download the… Read More »

Ubuntu Eclipse JVM terminated. Exit code=8

By | July 6, 2015

Getting this error message here? JVM terminated. Exit code=8 /usr/bin/java -Xms40m -Xmx384m -Dorg.eclipse.equinox.p2.reconciler.dropins.directory=/usr/share/eclipse/dropins -jar /usr/lib/eclipse//plugins/org.eclipse.equinox.launcher_1.3.0.dist.jar -os linux -ws gtk -arch x86_64 -showsplash /usr/lib/eclipse//plugins/org.eclipse.platform_3.8.1.dist/splash.bmp -launcher /usr/lib/eclipse/eclipse -name Eclipse –launcher.library /usr/lib/eclipse//plugins/org.eclipse.equinox.launcher.gtk.linux.x86_64_1.1.200.dist/eclipse_1503.so -startup /usr/lib/eclipse//plugins/org.eclipse.equinox.launcher_1.3.0.dist.jar –launcher.overrideVmargs -exitdata 31000a -vm /usr/bin/java -vmargs -Xms40m -Xmx384m -Dorg.eclipse.equinox.p2.reconciler.dropins.directory=/usr/share/eclipse/dropins -jar /usr/lib/eclipse//plugins/org.eclipse.equinox.launcher_1.3.0.dist.jar It is probably because you are using incompatible JVMs. You probably ran an… Read More »