Ssl pining in android to avoid MITM attack
Man in the middle or MITM attack happens when a third party places itself between a connection. Let’s understand it with the context of an example. Consider that you are at a mall and connect to th
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How to implement Dark Theme in an Android application
Android 10 or above introduced a new feature: Dark theme. Dark theme applies to both the Android UI and apps (support dark mode) running on the device. Android 10 gave a system-level option that switc
React unit testing with Jest and Enzyme
I don’t think I even have to inform you the importance of unit testing your code, so i’ll dive in on to unit testing with Jest and Enzyme. First of all what are Jest and Enzyme? Jest was created by F
How to calculate Integral Image or Summed Area Table
Integral Image or Summed Area TableAn Integral image is where each pixel represents the cumulative sum of a corresponding input pixel with all pixels above and left of the input pixel. This algorithm
A simple way to monitor and restart services using Monit
A simple way to monitor and restart services using MonitMany times we might have services that are essential to be up and running in the background. But they shutdown/ stop working due to the server/
The right way to make an Active Record ENUM in Ruby on Rails
When you have limited number or options and are trying to save one the option as some state of an Active Record then you may use AASM - State machines for Ruby classes, but what if you are not saving
How to add Firebase Crashlytics in an Android application
Crashlytics is a Google-owned Boston, Massachusetts-based software company founded in May 2011 by entrepreneurs Wayne Chang and Jeff Seibert. Crashlytics helps collecting, analyzing and organizing ap
Active Record Callback Surprises
Active Record is one of, if not the most, awesome tools in Rails. Its super intuitive and super powerful at the same time. Its callbacks and validations read naturally and provide immense functional
Automate deployments of Ruby App updates using Capistrano
When deploying a Ruby Application build, it takes multiple steps to deploy the build. Doing all those steps everytime we deploy a new build is time consuming and also there might be a case when we for
How to Upload files using Carrierwave Google Storage
We all must have got requirement for uploading files to Google Cloud Storage in our Rails Project for several purposes. Simplest way to do that is by using carrierwave. But the carrierwave gem uses Fo
