A Powerful Opportunity for India: Solar-Hydel Hybrid Power Plants
India stands at the threshold of a clean energy revolution. As we aim for ambitious renewable energy targets and seek efficient, scalable solutions to our growi...
Author: Kj
Kj [/.] Sreekumar programs computers as a hobby and profession. Into programming from his school days, Sree uses Codemarvels to key in facts and fixes he finds interesting while working on different projects. Some of the articles here give away a few shades of his philosophical leanings too.
eVTOL Drones: The exciting commute option for technocrats in near future
Urban air mobility is no longer a futuristic dream — it’s fast becoming a practical alternative to ground transportation. As electric vertical takeoff and...
Activate back lighting of LIVE TECH gaming keyboard on Ubuntu
To enable the back light LEDs of the Live Tech keyboard in Ubuntu follow these steps This should light up the LEDs in the Keyboard. Link Keyboard Lighting Scrip...
Network devices not found after Ubuntu upgrade from 20.04 LTS to 22.04 LTS
I had recently upgraded my laptop from Ubuntu 20.04 from 22.04. Once restarted after the upgrade, my laptop just wouldn’t connect to any network (LAN/Wifi...
Fix ChromaDB startup error: Your system has an unsupported version of sqlite3.
Problem: After installing chromadb, when we try to start it using the command Its give this error: Fix: Start the chromadb. Should work now. KjKj [/.] Sreekumar...
Tweaked steps to prevent path errors in ionic capacitor + reactJS projects
On Xcode, clean build folder build run on device or simulator KjKj [/.] Sreekumar programs computers as a hobby and profession. Into programming from his school...
Fix: Newly added volume shows size of only few 100 MBs
Run this command, (assuming the format and mounting was done correctly). KjKj [/.] Sreekumar programs computers as a hobby and profession. Into programming from...
A QR Code Scanner Component for Cordova in ReactJS that works on Android.
Yes, a component that does the job well. Code below, customise for your use case. Note: It does not use the “cordova-plugin-qrscanner” which is brok...
Fix: Cordova App on Android shows blank screen with ERR_CONNECTION_REFUSED
Problem: The Cordova App when run on Android give a Connection refused error on https://localhost/* URLs. Fix: Follow these steps: Edit package.json Set homepag...
Convert ReactJS App to Android App on Ubuntu
Install Cordova Create a Cordova project Open package.json of the existing ReactJS App.Copy the sections – scripts, dependencies, browserList from the abo...