Merge pull request prabhupant#12 from MauroCoppola/beautify-useful-links

Beautify useful links

useful_links.md

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+# Useful links
+
+This is a list of articles, tutorials, questions and videos that may be useful for algorithms and data structures learning.
+
+## Questions
+
+- https://stackoverflow.com/questions/35390533/actual-difference-between-data-compression-and-data-deduplication
+
+- https://stackoverflow.com/questions/40200413/sessions-vs-token-based-authentication
+
+- https://stackoverflow.com/questions/15678406/when-to-use-myisam-and-innodb
+
+## Tutorials
+
+- https://cstack.github.io/db_tutorial/
+
+- https://github.com/eon01/kubernetes-workshop
+
+## Videos
+
+- https://www.youtube.com/watch?v=mSzUb7f47qk
+
+## Topics
+
+- https://en.wikipedia.org/wiki/Data_deduplication
+
+- https://searchstorage.techtarget.com/definition/data-deduplication
+
+- https://docs.gitlab.com/ce/development/architecture.html
+
+## Articles
+
+- https://github.com/alex/what-happens-when
+
+- https://medium.com/@maneesha.wijesinghe1/what-happens-when-you-type-an-url-in-the-browser-and-press-enter-bb0aa2449c1a
+
+- https://www.cloudflare.com/learning/dns/what-is-dns/
+
+- https://www.keycdn.com/blog/difference-between-http-and-https
+
+- https://www.jeskell.com/blog/jeskell-overview-of-data-deduplication-compression-stumped-by-dedup
+
+- https://forge.medium.com/youre-not-lazy-bored-or-unmotivated-35891b1f3376
+
+- https://github.blog/2009-10-20-how-we-made-github-fast/
+
+- https://www.nextplatform.com/2015/09/24/inside-the-github-systems-where-open-source-lives/
+
+- http://matt.might.net/articles/what-cs-majors-should-know/
+
+- http://cryto.net/~joepie91/blog/2016/06/13/stop-using-jwt-for-sessions/
+
+- http://cryto.net/~joepie91/blog/2016/06/19/stop-using-jwt-for-sessions-part-2-why-your-solution-doesnt-work/
+
+- https://simplystatistics.org/post/
+
+- https://www.analyticsvidhya.com/blog/2016/07/10-analytics-data-science-top-universities-masters-usa/
+
+- https://www.welcometothejungle.co/en/collections/behind-the-code
+
+- https://medium.com/@DoorDash/tips-for-building-high-quality-django-apps-at-scale-a5a25917b2b5
+
+- https://hacktoberfestswaglist.com/#least-involvement-to-most-involvement
+
+
+## Others
+
+- https://google.github.io/eng-practices/review/reviewer/
+
+- https://www.preining.info
+
+- https://cheatsheetseries.owasp.org
+
+- https://wsvincent.com/
+
+- https://machinelearningmastery.com