Achindra Bhatnagar

Signing Android App in Xamarin

Just got my code signing cert from Digicert and I thought of signing my Android app to publish on Playstore, but there was this weird error

jarsigner error: java.security.SignatureException: private key algorithm is not compatible with signature…

BlockChain 101 (C#)

I experiment and some experiments produce cool solutions, but I often fail to find a “Problem”. People often ask, “you have achieved something great, but where are you going to use it?” And I am like, :-? will figure it out…

DIY Anemometer: Wind Speed Sensor Device

Anemometer or a wind speed measuring device is a common weather station instrument.

Morse Code Transceiver

I was teaching a class today on Communication Systems and wanted my students to learn by visualising and experiencing…

An Encounter with Malware MW:JS:GEN2

I am sharing an interesting story that also summarizes last 8 hours of the day! Although this is second time I am writing this blog, since the previous post published without any content, but I have no regret writing it down again :-)

Health Monitoring Pattern — Azure Cloud Design

To ensure high availability, a regular health check is always a good idea. All you need to do is to periodically request the application endpoint and analyze the response for response time, return code and response content.

Load Levelling Queue Pattern — Azure Cloud Design

On a ticket counter, what happens when several people try to buy tickets and there is no order? CHAOS! We have seen this at movie theatres on first-day-first-shows, at railway reservations in festive seasons, flight counters when flights are…