Learning to be good at thinking, thinking, thinking.

MD-family The MD family of hashing algorithms were designed by Ron Rivest during the late 1980’s and early 1990’s. MD actually stands for “Message Digest”. MD2 It was optimized to run on 8-bit computers and generates a 128-bit hash value the hashes are generally displayed as hexadecimal string which is 32 characters long. This hash exhibits f... Read More

Generating RSA key pair OpenSSL can generate several kinds of public/private keypairs. RSA is the most common kind of keypair generation. Generating an RSA private key You can generate a 2048-bit RSA private key with the following commands: openssl genpkey -algorithm RSA -out rsa_private.pem \ -pkeyopt rsa_keygen_bits:2048 or openssl ge... Read More

Abstract and concrete are opposite concepts, many times we just know what they mean, but don’t really understand them. So today let us get to know them again and have a clearer and deeper understanding of them. Abstract An abstract is a brief summary of one or more things, there are two important points here: From one or more things Find... Read More

Table Here’s a table of the vowels in English. Symbol Word Transcription More Examples [i:] fee [fi:] she, cream, believe, receive, heed, meet [ɪ] fit [fɪt] hit, income, definition, been (for some) [u:] boot [b... Read More

Table Here’s a table of the consonants in English. Manner Voicing Symbol Word Transcription More Examples Plosives/Stops Voiceless [p] pat [pæt] put, post, apart, spar     [t] tie [taɪ] type, stem, nast... Read More

& ampersand, epershand or and @ at % percent / slash, forward slash, oblique, solidus, stroke or division \ backslash . period(US), full stop(UK) or dot * asterisk, multiplication or star ~ tilde _ underscore + plus - minus, hyphen or dash = equal... Read More

Internet users have developed many slang terms over the years. Here is a collection in my daily learning: Shorthands AAMOF - As a matter of fact ABT - About ADN - Any day now AFK - Away from keyboard AMA - Ask me anything ADIH - Another day in hell AFAIC - As far as I’m concerned; as far as I care; as far as I can AFAIK - As f... Read More

Table As Bash use Emacs mode, here’s a table of the shortcuts in Bash. Shortcuts Description ctrl-a Go to the start of a line (Home) ctrl-e Go to the end of a line (End) ctrl-u Delete from cursor to the start of a line ctrl-k Dele... Read More

You’ll find this post in your _posts directory. Go ahead and edit it and re-build the site to see your changes. You can rebuild the site in many different ways, but the most common way is to run jekyll serve, which launches a web server and auto-regenerates your site when a file is updated. To add new posts, simply add a file in the _posts dire... Read More