check the config file: $ sudo nginx -t nginx: the configuration file /etc/nginx/nginx.conf syntax is ok nginx: configuration file /etc/nginx/nginx.conf test is successful restart the server $ sud...

Adding pictures \usepackage{graphicx} \begin{figure} \includegraphics[width=\linewidth]{"img/fundamental_theorem.png"} \caption{Fundamental theorem of calculus\cite{3b1bCalculus}} \label{fi...

To this date, this is the best explanation of the Law of Conservation of Energy1 that I’ve come across: “There is a fact, or if you wish, a law, governing natural phenomena that are known to da...

Basics Thermal equilibrium a system is in thermal equilibrium if there are no temperature gradients within it. A system is in thermal equilibrium with its surroundings if $ T_{sys} = T_{surro...

This is definitely a case of non-sensible defaults for the iTerm2 application. I think wanting Alt+B to move back a word in the terminal is an infinitely more sensible default than wanting it to pr...

$ cat parrot #!/bin/bash read HELLO echo "user said \"$HELLO\"" $ ./parrot hello there user said "hello there"

#!/bin/bash echo -e "Enter favorite banana" read -r BANANA if [[ -z "$BANANA" ]]; then echo "No banana entered. Exiting." exit 1 fi

Example: extract pages 881-985 from a document and call it appendix.pdf pdftk textbook.pdf cat 881-984 output steam_tables.pdf Links https://www.pdflabs.com/tools/pdftk-the-pdf-toolkit/

Key idea: old energy sources don’t really go away. New energy sources appear in addition to the old ones.

description: >- Chirpy Markdown title: Chirpy Markdown # Add title here date: 2023-05-23 08:00:00 -0600 # Change the date to match completion date categories: [...