Bookmarks and note to users

Bookmarks and note to users A note for the users of this blog Most visited pages Sem 6 lab expts 馃槶馃槄 Docker MERN Lab expts 馃槶馃槄 Computer networks Note to users Find any issues? Want to suggest changes? Feel free to do so by creating a GitHub pull request the button below.

April 17, 2024 路 1 min 路 52 words 路 Aum Pauskar

Dualbooting windows and linux

Dualbooting windows and linux About the hardware I鈥檓 using I am using an Asus TUF Gaming A15 laptop with Ryzen 7 5800H and RTX 3060, with 2 SSDs, one 512GB and one 1TB. I have windows installed on the 512GB SSD and I want to install Fedora on the 1TB SSD. Prep Ensure secure boot is off To disable secure boot go to the bios/uefi and disable it. Every laptop has a different way to access the bios/uefi, so you might have to look it up....

July 7, 2024 路 2 min 路 286 words 路 Aum Pauskar

MongoDB

MongoDB Introduction NoSQL databases are non-relational databases that are used to store and retrieve data. MongoDB is a popular NoSQL database that is used to store data in the form of documents. Feature SQL (Relational Databases) NoSQL (Non-Relational Databases) Schema Fixed schema Dynamic schema for unstructured data Scalability Vertical scalability (scale-up by adding more powerful CPU, RAM, SSD) Horizontal scalability (scale-out by adding more servers) Complexity Tables with rows and columns, complex queries with JOINs Document, key-value, wide-column, or graph formats, simpler queries Transactions ACID properties (Atomicity, Consistency, Isolation, Durability) for reliable transactions BASE properties (Basically Available, Soft state, Eventual consistency) less strict than ACID Development Model Mature, with established standards More flexible and evolving rapidly Use Cases Well-suited for complex queries and transactions, e....

June 27, 2024 路 4 min 路 709 words 路 Aum Pauskar

Regex via lex and yacc

Regex via lex and yacc What is a regex? Regular expressions (regex) are patterns used to match character combinations in strings. In JavaScript, regular expressions are also objects. These patterns are used with the exec() and test() methods of RegExp, and with the match(), matchAll(), replace(), search(), and split() methods of String. Why use lex and yacc? Lex and yacc are tools used to generate lexical analyzers and parsers. Lex reads an input stream specifying the lexical analyzer and outputs source code implementing the lexer in C....

June 6, 2024 路 5 min 路 930 words 路 Aum Pauskar

Vim

Sr. No. Command Description 1 :q Quit 2 :q! Quit without saving 3 :w Save 4 :wq Save and quit 5 :wq! Save and quit without saving 6 :e Open file 7 :e! Discard changes 8 :e <filename> Open file 9 :e! <filename> Discard changes 10 :sp Split window horizontally 11 :vsp Split window vertically 12 :q Quit window 13 :tabnew Open new tab 14 :tabn Next tab 15 :tabp Previous tab 16 :tabc Close tab 17 :tabo Close other tabs 18 :tabm Move tab 19 :tabfirst First tab 20 :tablast Last tab 21 :tabe Edit tab 22 :tabfind Find tab 23 :tabclose Close tab 24 :tabonly Close other tabs 25 :tabmove Move tab 26 :tabnext Next tab 27 :tabprevious Previous tab 28 :tabedit Edit tab 29 :set number Show line numbers 30 :set nonumber Hide line numbers 31 :set relativenumber Show relative line numbers 32 :set norelativenumber Hide relative line numbers 33 :set list Show whitespace characters 34 :set nolist Hide whitespace characters 35 :set listchars=tab:>-,trail:....

May 15, 2024 路 2 min 路 419 words 路 Aum Pauskar