Blog

Miscellaneous blog posts by Wern.

I write about software dev, tech tips, math and science topics, and other stuff I may find interesting. Just don't expect any regular schedule of posts - this may be updated once a week, once a month, once a year... or maybe never.

GovTech STACK the flags 2020 CTF Writeups

Published on Dec 9, 2020

Last updated on Dec 12, 2020

Writeups for GovTech STACK the flags 2020 CTF, by team t3Am_n4m3

Read More
Fixing merge conflicts in Git

Published on Dec 28, 2019

Last updated on Sep 30, 2021

Having trouble with merge conflicts in Git? Here's a guide on how to resolve them.

Read More
Pushing to Production on a Friday

Published on Nov 28, 2019

Last updated on Jan 31, 2024

A story of how even just assuming Apple's Xcode to have been battle-tested against the world for compiling iOS apps, and thus skip testing, can still be a failure point. Do your tests, and don't push to production when you're not ready to deal with consequences.

Read More
This website is now running on HTTPS!

Published on Nov 24, 2017

Last updated on Jan 30, 2024

This website is now running on HTTPS! You can now browse Wern Central safely. When a website is using HTTPS, it means that the connection between your device and that site is private and encrypted, therefore people around you (e.g., those on the same WiFi network, or if you are using an unprotected WiFi network) won’t be able to easily intercept and tamper with what you do on the site.

Read More
Unusual Wikipedia Articles

Published on Oct 5, 2017

Read More
Math Tricks/Shortcuts

Published on Feb 10, 2017

Last updated on Oct 1, 2017

So, you want to do some math? Here are some tricks/shortcuts on calculating that might be helpful.

Read More
How to block advertisements on any device system-wide

Published on Mar 28, 2015

Last updated on Jan 31, 2024

Read More

You have reached the beginning!

Archived Posts