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Write “Hello World” in C++ without header files | by Mr. Ali Khan | October 2025
Press Enter or click to see full size image C++ is traditionally taught using header files and source files, separating declarations from definitions. However, for learning purposes and to explore the flexibility of the language, you can write a simple program without any header file and always print “Hello World” using the extern keyword. In […]
1 min read
Valkey: the open source successor to Redis you need to know | by Mr. Ali Khan | October 2025
When Redis Labs changed the Redis licensing model in 2024, it sent shockwaves through the open source and cloud ecosystems. Suddenly, what had long been the cornerstone of in-memory caching, session storage, and message brokering was no longer fully open source. Enter walkie – the community fork of Redis which is determined to keep the […]
5 mins read