PSSH is a small Python-based program, which allows you to execute commands on multiple Linux remote servers in parallel at the same time using the single shell.
Category: Documentations
Documentations
FreeBSD Handbook
FreeBSD Handbook is a primer for any Unix related operative system. A must read to turn a noob into a pro
Link
Ever wonder about that mysterious Content-Type tag? You know, the one you’re supposed to put in HTML and you never quite know what it should be? Did you ever get an email from your friends in…
The Absolute Minimum Every Software Developer Absolutely, Positively Must Know About Unicode and Character Sets (No Excuses!)
Oldies but goldies. This article is 20 years old, but still very relevant
Gnome, GNU/Linux, Tricks
Prevent sleep/suspend when not logged in
Recently I’ve been logged into a laptop remotely a lot. Logging out from “main” session makes my Gnome on Debian 12 go to suspend after a while. To avoid it you just have to tell: Thanks to WinEunuuchs2Unix for the answer I took from Prevent sleep/suspend when not logged in to a specific account; the…
Documentations, Tricks
Search and replace in multiple files using vim
Search and replace in multiple files using vim – (source Stack Overflow) It is as simple as Use: The first line sets auto-write mode, so when you switch between files, vim will write the file if it has changed. The second line does your global search and replace. Note that it doesn’t use wq! since…
Documentations, Javascript, Tricks
javascript – Can (a== 1 && a ==2 && a==3) ever evaluate to true? – Stack Overflow
javascript – Can (a== 1 && a ==2 && a==3) ever evaluate to true? – Stack Overflow Yes, it can. IMHO it is one of the several undesirable consequences of loosely typed languages. In fact, according to an almost anonymous user: Worst, it is also possible using the === operator!
Tricks
Versioning data in Postgres? Testing a git like approach – Specfy
Versioning data in Postgres? Testing a git like approach – Specfy is fashinating but I think that most of the time these two proposed alternatives fit most of the needs:
Documentations
Datomic – The Ten Rules of Schema Growth
Datomic – The Ten Rules of Schema Growth Data outlives code, and a valuable database supports many applications over time. These ten rules will help grow your database schema without breaking your applications.
Tricks, vim
5 Must-Have Vim Plugins That Will Change Your Workflow
5 Must-Have Vim Plugins That Will Change Your Workflow. In my case Syntastic: a syntax checking plugin for Vim which runs files through external syntax checkers and displays resulting errors. Fugitive: a Git wrapper for Vim that is self-described as “so awesome, it should be illegal.” Emmet: an extremely useful plugin for web developers. It…
Documentations
Upsert in SQL
Inserting and updating data with a single query. Source: Upsert in SQL