Blog (#til)

JavaScript's infamous undefined is not a language-level constant and can indeed be made to behave like a different value

If you want to scroll a page to a particular element using JavaScript, you can call element.scrollIntoView()

You can use ImageMagick to crop an image to just its central content

The unicode memo emoji on mac contains text of a very famous poem

TIL: How to get information about/from an image

TIL: How to set the author identity in git for all projects under a single parent directory

TIL: Why pixel art images should be scaled and how to do it with imagemagick

TIL: How to serve your local website over HTTPS

TIL: How to record a video of the HTML canvas element using JavaScript

TIL: How to setup MongoDB for local development

TIL: How to link to a specific piece of text on a webpage

TIL: How to mount an SMB share on Mac OS programmatically using Rust

TIL: How to read in a rust program at run-time the environment variables that were only defined at build-time

TIL: How to access entries from MacOS Keychain programmatically, specifically an SMB share's record

TIL: How to specify different author and committer for a commit in git

TIL: How to delay all subtitles in a file by a fixed amount using ffmpeg

TIL: If you know the password then you can remove it from PDF files using qpdf

TIL: How to output text with echo without a newline at the end of it

TIL: How to add a not null constraint to an existing column in a PostgreSQL table

TIL: How to add unique constraint to an existing column in a PostgreSQL table

TIL: Settings change on Mac to avoid having .DS_Store files being created on USB and Network shares

TIL: Shell command to recursively remove .DS_Store files

TIL: How to return custom response for a 404 in Express on NodeJS

TIL: How to write a simple SVG which renders an emoji as a favicon

TIL: How to do for python what we get with `dependencies` in npm `package.json`

TIL: How to map an array in postgres to other data

TIL: You can use the extract function to find difference in days between 2 dates

TIL: How to get the first entry from each group given a sort order

TIL: How to navigate to a given system path without clicking through folders

TIL: How to view your most used terminal commands on a Mac

TIL: How to download a file with wget to a custom filename

TIL: How to take heap-dump from a running JVM process

TIL: Why Figma returns empty styles in API and how to fix it

TIL: How to provide username and password for simple authentication when downloading files using wget

TIL: What are non-capturing groups and how we can use them

TIL: India has a species of dolphin as its national aquatic animal.

TIL: How to see a list of files updated in a git commit

TIL: How to center (horizontally and vertically) elements with CSS.

TIL: Resizing images from command-line while centering them and adding a transparent background.

TIL: Turns out that 7.5.toBigDecimal() and 7.50.toBigDecimal() are not equal

TIL: You cannot castle your king in chess if king's path is under threat

TIL: What are "ugh fields" and why everyone should atleast know about them.

TIL: Ctrl+X followed by Ctrl+E opens the command you are currently editing in your $EDITOR program

TIL: Google doesn't return refresh token on subsequent authentication after the first one.

TIL: JavaScript can throw anything

TIL: How to support dark-mode preference of browser via CSS