Posts

As part of a series on building a 4G-connected autonomous drone, this guide describes a solution for live streaming video from a drone to its Ground Control Station (GCS).

You might have seen this example from The Java Tutorials. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 public class CopyBytes { public static void main(String[] args) throws IOException { FileInputStream in = null; FileOutputStream out = null; try { in = new FileInputStream("xanadu.txt"); out = new FileOutputStream("outagain.txt"); int c; while ((c = in.read()) !...

This blog post explains how to configure npm to work behind a corporate proxy.

There are several ruby performance patches, like the falcon patches, that may improve the performace of your application. I use rvm and was pleased to learn that rvm supports compiling ruby with several of these performance patches. Using rvm with the railsexpress patch, I saw a 20% reduction in the time required to run the test suite for a large rails project. Here is how you can install ruby with the railexpress patch using rvm....

You will eventually get tired of looking at UTC timestamps in your server log files. https://help.ubuntu.com/community/UbuntuTime has a detailed guide for setting the time zone on your server and synchronizing it’s clock. Here are the commands I used to set my time zone and synchronize my clock on Ubuntu 12.04.1 LTS. Set time zone sudo dpkg-reconfigure tzdata Synchronize clock sudo apt-get install ntp