Monday, August 17, 2020

Android Studio: Fix for Default Activity not found warning

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Recently after upgrading Android Studio to version 4.x, I found some of my old Android projects showing a warning message: " Warning: ...
Monday, June 1, 2020

Configure an Ubuntu VirtualBox guest instance for ssh access from the host OS

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I use VirtualBox to run guest OS such as Ubuntu 18.04 virtual machines for trying out stuff and experiments to prevent messing up my host o...
Monday, May 4, 2020

Gazebo: make an animated box using a separate model file(s)

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The Gazebo tutorial at http://gazebosim.org/tutorials?tut=actor&cat=build_robot shows how to make a box actor rotate around the vertic...
Monday, April 13, 2020

Setup to launch ROS nodes on a remote computer on a network

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ROS nodes can be setup to run on a remote computer from a local computer on the same network. However, there are some setup to be done. Afte...
Monday, March 16, 2020

How to run a shell script from a ROS launch file

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I wanted to execute a bash shell script from the ROS launch file but the ROS Wiki were not very clear. After some trial and error, I figured...
Monday, March 9, 2020

Using Saga GIS' Terrain Analysis Swath Profile (interactive) function

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Saga GIS has a couple of interactive terrain profiling functions, a single profile and a swath profile. This post shows how to use the inter...
Monday, March 2, 2020

git authentication failed after changing password or installing a new version of git for Windows

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After installing a new version of git for Windows or changing the git repository password, the following git error messages may appear when...