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Dev Miscellaneous
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A channel where you can find developer tips, tools, APIs, resources, memes and interesting contents.

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Python Graph Library

Plotly is a library for creating graphs with options to export to html, useful for web applications.

https://github.com/plotly/plotly.py

@DevMisc
#python #graph #extra
Recursion in SQL Explained Visually

Lets think about queries as a function. In a sense that a function takes an input and produces an output. Queries operates on relations or…

https://medium.com/swlh/recursion-in-sql-explained-graphically-679f6a0f143b

@DevMisc
#sql #misc
How I accidentally took down GitHub Actions

Last December, I was invited to a private bug bounty program to test a beta version of GitHub Actions, so I decided to just try it out and see what would happen.

https://blog.teddykatz.com/2019/11/12/github-actions-dos.html

@DevMisc
#security #github #bugbounty
ASCII Play

An ASCII Art playground.

https://play.ertdfgcvb.xyz/

@DevMisc
#ascii #misc
Copy Securely Secrets

A small bash noscript to securely copy/Paste content using RSA encryption/decryption.

https://github.com/Sanix-Darker/css

@DevMisc
#bash #extra
Can the empty spaces/background in a terminal be replaced with a random(but pretty) pattern of ASCII characters?

https://unix.stackexchange.com/q/105325

@DevMisc
#bash #misc
Impersonating the brave.com website to deliver malware

With a valid TLS certificate, faux Bravė.com could fool even security-savvy people.

https://arstechnica.com/gadgets/2021/07/with-help-from-google-impersonated-brave-com-website-pushes-malware/#p3

@DevMisc
#security #web #brave
6 Years of Professional Clojure

TL;DR Clojure is a great programming languages due to its functional nature, lack of objects / concentration on primitive values.

https://engineering.nanit.com/6-years-of-professional-clojure-2b61cb6c1983

@DevMisc
#clojure #overview
How to write slow Rust code

How I tried to port Lisp code to Rust and managed to get a much slower program... and how to fix that!

https://renato.athaydes.com/posts/how-to-write-slow-rust-code.html

@DevMisc
#rust #performance
How to boost your popularity on OkCupid using CSRF and a JSON type confusion

https://blog.azuki.vip/csrf/

@DevMisc
#security #web #bugbounty
Working Around a Case Where the Postgres Planner Is "Not Very Smart"

We discovered a Postgres quirk that prevented an existing index from supporting an index-only scan. Here's how we worked around the quirk to achieve a 2x performance win.

https://heap.io/blog/when-the-postgres-planner-is-not-very-smart

@DevMisc
#postgres #performance
How to improve your Docker containers security – [cheat sheet]

Containers are no security devices. That's why we've curated a set of easily actionable recommendations to improve your Docker containers security.

https://blog.gitguardian.com/how-to-improve-your-docker-containers-security-cheat-sheet/

@DevMisc
#docker #security #tips
Awesome Selfhosted

A
list of Free Software network services and web applications which can be hosted on your own servers.

https://github.com/awesome-selfhosted/awesome-selfhosted

@DevMisc
#misc #selfhost
C++ for Python

Cppyy is a python library to make C++ bindings for your application.

https://github.com/wlav/cppyy

@DevMisc
#cpp #library #python
Falsehoods Programmers Believe About Phone Numbers

...and tips on how to use libphonenumber.

https://github.com/google/libphonenumber/blob/master/FALSEHOODS.md

@DevMisc
#extra #tips
A Bit Overcomplicated

Lets say you have a 64-bit integer. You want the first 42-bits. Now, if your language has a bitshift operator, you'd do something like largeNumber >> 22. But what if your language also has all sorts of advanced stream processing and map functions?

https://thedailywtf.com/articles/a-bit-overcomplicated

@DevMisc
#extra #tips
SAML Is Insecure by Design

SAML uses signatures based on computed values. The practice is inherently insecure and thus SAML as a design is insecure.

https://joonas.fi/2021/08/saml-is-insecure-by-design/

@DevMisc
#security #web
HTTP/2: The Sequel is Always Worse

In this research paper James Kettle introduces multiple new classes of HTTP/2-exclusive attacks, demonstrated on popular websites and servers.

https://portswigger.net/research/http2

@DevMisc
#extra #web
I compromised 300 stores and a “Spanish consultancy”

This post aims to show people how their data is vulnerable to get stolen in some environments and how companies forget about a minimum level of good practices regarding cybersecurity.

https://edbrsk.dev/content/real-cases/how-I-compromised-300-stores-and-a-spanish-consultancy

@DevMisc
#security #web