Posts

In this post, I will show you how to set up a new subdomain using Route 53 in 4 easy steps. The setup is straightforward and will take less than 2 minutes to have your subdomain up and running.

In this post, I will share some tips and resources to prepare for the GRE examinations. I appeared for the GRE test on August 22nd, 2018, and scored 322(V: 155, Q: 167, AWA: 4.

Recently, I needed to install ffmpeg on my EC2 instance and I struggled quite a bit to set it up. The issue was that my EC2 instance is running Amazon Linux based AMI which is probably based on some version of CentOS.

Fresco is a powerful system for displaying images in Android applications. There are situations where the original image is quite big and would take considerable amount of time to load. In such scenarios, it is advisable to display a low resolution image or thumbnail image until the original image loads.

Check if a file exists if [ ! -f "/home/pi/test.sh" ]; then echo "file exists" fi Check if a directory exists if [ -d "/home/pi/test" ]; then echo "test dir exists" fi Install Apt-Get Package # update pip # check if package is installed # install package if not installed installPackage() { retval=0 echo "Installing package $1" if [ $(dpkg-query -W -f='${Status}' $1 2>/dev/null | grep -c "ok installed") -eq 0 ]; then echo "Package $1 is not installed" if echo "yes" | sudo apt-get install $1; then retval=1 fi else echo "Package $1 is already installed" retval=1 fi return "$retval" } Manually Set Date Time sudo date -s '2019-05-10 09:07:00' Setup SSH Keys mkdir -p /home/pi/.

Manual publishing of an app is time-consuming and involves a lot of repetitive steps that could be easily automated. Manual publishing involves these steps: Create a signed APK for your app.

Wikimedia Commons is an online repository of free-use images, sounds, and other media files. It is a project of the Wikimedia Foundation. If you are a Commons user or need to get statistics for a particular user, then you can query the commonswiki DB to get the results.

There are a lot of developer and wiki guides to set up and get started with your first open source contribution. As a beginner, I always found these wikis a bit overwhelming as they suddenly introduce you to a lot of options and projects.

Today I learned that Javascript has a special syntax for working with promises in a more comfortable fashion. It’s the async and await which was originally introduced in C#. I am not an expert in Javascript but am quite excited to share the basics about async and await.

Frameworks such as Espresso and Mockito provide easy-to-use APIs that make writing tests for various scenarios easier. Let’s cover the fundamentals of testing and frameworks which developers can use to write unit tests.