--- title: "#software-engineering-concepts articles | Hashnode" description: "Explore 3 articles tagged #software-engineering-concepts on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/software-engineering-concepts" --- Tag # #software-engineering-concepts 3 posts · 0 followers [Adam Jaber](https://hashnode.com/@adamjaber) · [Oct 17](https://hashnode.com/posts/zero-downtime-migrations-lock-queue/6ad39909d4d677fee2357a5a) ### [The Lock Queue: Why a 2 ms ALTER TABLE Can Freeze Production](https://simplyexplained.hashnode.dev/zero-downtime-migrations-lock-queue?utm_source=hashnode&utm_medium=feed) Reproduce it with three SQL sessions, then fix it with lock timeouts, retries, and the three clocks of a safe migration. 11 min read · [simplyexplained.hashnode.dev](https://simplyexplained.hashnode.dev/zero-downtime-migrations-lock-queue?utm_source=hashnode&utm_medium=feed) [Sipho Mogolegang](https://hashnode.com/@Sips) · [Feb 5](https://hashnode.com/posts/master-software-engineering-with-the-what-how-why-and-consequences-of-omission-approach/698461418335429e2161307a) ### [Master Software Engineering with the What, How, Why, and Consequences of Omission Approach](https://techcodedev.hashnode.dev/master-software-engineering-with-the-what-how-why-and-consequences-of-omission-approach?utm_source=hashnode&utm_medium=feed) My Bootcamp and Follow-Along YouTube Tutorial Revelation As a recent graduate of an intense, fast-paced, full-stack web development and software engineering bootcamp, I learned that grasping software engineering concepts is inherently challenging. I ... 5 min read · [techcodedev.hashnode.dev](https://techcodedev.hashnode.dev/master-software-engineering-with-the-what-how-why-and-consequences-of-omission-approach?utm_source=hashnode&utm_medium=feed) [SuperHuman](https://hashnode.com/@superhuman) · [Sep 7, 2023](https://hashnode.com/posts/a-beginners-guide-to-arrays/658e6c1adcb5185618414d6a) ### [A Beginner's Guide to Arrays](https://freshers-dev.hashnode.dev/a-beginners-guide-to-arrays?utm_source=hashnode&utm_medium=feed) Master Python arrays with this beginner-friendly guide; learn array fundamentals, implementation in Python, and enhance problem-solving skills 2 min read · [freshers-dev.hashnode.dev](https://freshers-dev.hashnode.dev/a-beginners-guide-to-arrays?utm_source=hashnode&utm_medium=feed)