Beware the Dangers of .swp Files On Prod
Editing a file with vim and exiting the program improperly on a public-facing web server can leave you vulnerable to leaking private data like db credentials, private keys etc. A…
Spy on the Output of a Linux Process Using its PID
There may be instances whereby ps -aux has been used to see the PID of a running process and you would like to see its output. This can be done…
CSS Viewport Units: What They Mean (vh, dvh, svh etc.)
The table below can be used as a reference to check the meaning of the unit. E.g. height: 20dvh is 20% of "current viewport height, excluding user agent's interface..." UnitDescriptionsvhSmallest…
Most Useful VS Code Keybinds
Here are the shortcuts I find myself using on a daily basis. I will update this post as I think of more. Last updated: 16th January 2023. CMD + SHIFT…
Using createDocumentFragment to Improve Performance when Writing to DOM
DocumentFragments are useful when you want to create multiple DOM elements and add them to the DOM tree at once, as it is more efficient to do so using a…
Installing and Running MongoDB on MacOS
MongoDB is most easily installed on MacOS by using Brew, a package manager for macOS that can be used to install, update, and manage software packages on your system. Brew…
Stop Git from Tracking a File or Directory Added to Gitignore
This article will explain how to fix files still being tracked by Git after it has been added to the .gitignore file. Rules added to the .gitignore file only applies…
Run a Terminal Command after n Seconds Has Passed
It is sometimes desirable to run a command after n seconds has passed e.g. to run a command after the approximate time taken for deploy pipeline to complete. Scheduling the…
Scrolling on MacOS Terminal Does Not Work/Scrolls Commands instead of Text
This happens when the terminal is in 'Alternative Screen Mode'. The problem might also be combined with characters looking like ^[OB^[OB. What is Alternative Screen Mode? Many user-interactive terminal application…
Benchmarking a webpage response time (for web developers)
It is good practice to benchmark your webpages and API endpoints before pushing them live to production. This can help identify areas of improvement which can be used to inform…