* Added resources to learn capture the flags cybersecurity
* Added resources to learn capture the flags cybersecurity
* Added resources to learn capture the flags cybersecurity
* Added resources to learn capture the flags cybersecurity with changes
* made changes to ctf resources
* made changes to ctf resources
* made further changes to previous pr
* made final changes
* made final changes
* Add "What I Wish I Knew When Learning Haskell"
Follow up #3173.
* Update free-programming-books-zh.md
Follow up #3330.
* added competitive programming link
Follow up #3398.
* Replace homepage with GitHub repository link
problem-sets-competitive-programming.md: Replace homepage
link of problembook with github repository link which contains
downloadable pdf links.
* Remove broken links
Remove broken links and update available links from
web.archive.org.
* Update broken link with updated link.
Update the description for the updated link.
* Update broken links with links from web.archive.org
Remove dead links.
* Restore path to original link instead of web.archive.org
The link seems to be working fine. It was not loading
on my network, probably due to regional restrictions.
* Remove github link which is no longer maintained.
Github link consisted of list of Big Data resources.
The repository has been deleted by the user.
Hence deleting the entry.
* Modification and New Addition of Links
Modified some links to reach the specific page and added some more links
to programming contest and problem set.
* Corrected sequence of links
* Ruby Interactive Tutorial Added