Hi there, my name is Jason Loo. I write about Software Engineering and the Internet

• What is a DNS PTR Record? 27 Nov 2021
• What is a TCP SYN Flood? 03 Aug 2021
• What is Proxy Protocol? 27 Feb 2021
• What is /etc/services ? 25 Jan 2021
• What is /etc/shells ? 21 Dec 2020
• Open SSH tools 22 Nov 2020
• Using lsof to determine the number of used file descriptors 05 Oct 2020
• Can you override CTRL-C in a program? 03 Aug 2020
• How to fix: DNS_PROBE_FINISHED_BAD_CONFIG error on Mac 02 Aug 2020
• Quick look at the java.io package 10 Jul 2020
• DTLS: TLS for UDP 09 Jul 2020
• #define MY_MACRO do { ... } while(0) in C 07 Jul 2020
• CoAP for IoT 06 Jul 2020
• HTTP/3 - HTTP over QUIC 03 Jul 2020
• Notes on HTTP/2 01 Jul 2020
• Adding a Custom Domain with HTTPS to Github Pages 30 Jun 2020
• Json Writer's Return from 5 Year Blogging Hiatus 28 Jun 2020
• Learnings week of Dec 20 - CORS, memoization 26 Dec 2015
• Learnings week of Dec 13 - HTTP Cookies, pry 19 Dec 2015
• Learnings week of Dec 6 - mac os tricks, ActiveRecord transactions 12 Dec 2015
• Learnings week of November 29 - i18n, _, PORO 05 Dec 2015
• Learnings week of Nov 22 - pandas, vcr, ssl, hsts, rubocop 28 Nov 2015
• Learnings week of Nov 15 - git patching, load balancing, cdns 21 Nov 2015
• Learnings week of Nov 8 - rjust, git grep, spring, rebasing 14 Nov 2015
• Zsh Line Editing 08 Nov 2015
• Learnings week of Nov 1 - resque workers, byebug, virtualenv, ActiveRecord 07 Nov 2015
• Learnings week of Oct 25 - Big Data Dictionary 31 Oct 2015
• Learnings week of Oct 18 - redis, docker 24 Oct 2015
• Learnings week of Oct 11 - nginx, flexbox, hosts 17 Oct 2015
• Learnings week of Oct 4 - mocha, gems, options 10 Oct 2015
• Learnings week of Sept 27 - hashes, keyword arguments, tmux 03 Oct 2015
• Learnings week of Sept 20 - kill, database migrations, resque 26 Sep 2015
• Learnings week of Sept 13 - Git, Fixtures, top 19 Sep 2015
• Learnings week of Sept 6 - ZSH, VIM, 12 Sep 2015
• Microservices 26 Apr 2015