C

A Tour of Programming Languages: From Java to Rust Software runs on many paths. The language you pick shapes how you think about problems, organize code, and grow a project. This short tour moves from Java’s long-present ecosystem to Rust’s modern safety features, with a quick look at Go and C along the way. Java started on the JVM and remains a workhorse for servers and large applications. It favors portability, a mature toolchain, and a huge library ecosystem. Memory is managed for you, which reduces bugs but can conceal how resources are used. Its style favors object orientation and clear, verbose code. ...

Systems Programming and Performance Tuning Systems programming sits at the edge of software and hardware. It means building components that run close to the metal, like libraries, servers, drivers, or kernel modules. In practice, the work blends correctness with speed: memory layout, timing, and cooperation with the operating system all matter. Begin with measurement. A clear baseline helps you know if changes help. Track latency, throughput, CPU utilization, and memory use under realistic load. Simple tools like top, iostat, and vmstat give a quick view, while more focused profilers reveal where time goes. ...