At times you might need your org exported pdf to have the exact font rendering as generated by a snippet of LaTeX code. To do that, wrap that code inbetween the \( and \) delimiters.

Set the buffer major mode to org-mode. If the file extension is a .org, that major mode would be set automatically by emacs.

Follow the below steps to create a table ..

In Matlab, the groups that are defined in parentheses are saved as tokens.

Here is a example where I am retreiving the first matched group or token.

github link

This is the most common way of my sed usage:

echo Good morning | sed 's/\(.*\s\+\).*/\1evening/g'

Here are brief notes on that ..

I’ll step through how to set custom fonts for xterm terminal. My default shell is tcsh.

A hash can be assigned to a key of another hash using hash reference.

If you type echo "Hi\nHow\nHi\nAre\nHi\nYou?\nAre", you will get this in your terminal:

Hi
How
Hi
Are
Hi
You?
Are

Here’s how we can remove the duplicate lines using awk ..

Tiny snippets showing if/else use in awk ..

sed stands for stream editor.

This is the most common way of my sed usage:

echo [SOMETHING] | sed 's/old/NEW/g'