Araz Gholami

Data runs the world. whether you’re building a website, analyzing customer behavior, or automating tasks, you’ll eventually need to store, retrieve, and manipulate data. that’s where mysql comes in.mysql is an open-source relational database management system (rdbms) that enables efficient stora... Read All

Literary there is no ad-free and free and comprehensive option to watch worlds tv online on web or mobile app. iptv is a simple way to stream a tv channel using not cable, not satellite but internet, so for this, you need iptv lists and a client to play stream on mobile or tv. full list of iptv ... Read All

Due to extreme internet censorship in my region, i was forced to find a way to connect to free internet in the past few mounts. in a world where none of the other vpns like expressvpn or openvpn or even v2ray/shadowsocks works, you have no choice other than being creative. in this tutorial, i’m goin... Read All

Latex (pronounced la-tek or sometimes lay-tek) is a document preparation system created by leslie lamport in 1984. it’s built on top of tex, a typesetting system developed by donald knuth in 1978. but the story goes further back: tex was based on troff, an even older system written by joe ... Read All

Whenever you want to implement formatted data and multilingual support based on region or locale, you will eventually encounter the terms i18n and l10n. sometimes, you may also see terms like g11n or globalization. in this article, i’ll explain the definitions and differences between these terms. ... Read All

In november 2002, the world wide web consortium proposed owl as a semantic markup language for publishing and sharing web ontologies. owl is based on rdf and derived from daml+oil. it is one of the semantic markup languages that uses clear and formal definitions of classes, instances, and relationsh... Read All

Back in 1976, bill joy created vi for the unix operating system. the name comes from the first two letters of visual, which makes sense. before vi, people used ex, a line editor, which was itself an upgrade from an even older tool, ed, built by ken thompson in 1971. why “visual”? because back... Read All

I’ve had my issues with ubuntu for a long time, but after trying many other distributions, it unfortunately remains my first choice if you don’t want to deal with the thousand-and-one problems of other distros. from non-working shortcut keys when your keyboard language isn’t english on deepin, to mi... Read All

Preface: this post is a quick tutorial about a specific tool or concept. what you read below is the essential knowledge you need to quickly learn to use this tool or concept. i publish these series under the name wtf course. quick guide to linux terminal commands: debian/ubuntu only: sudo a... Read All

After months of delay and anticipation, i finally had time today to write the guide i promised. i’ll get straight to the point. overall, we have six types of persian books, and each requires a different method for kindle conversion. in this post, i’ll explain the conversion methods for all of them. ... Read All

use eager loading to reduce unnecessary queries with with(). leverage query scopes to keep your models clean and reusable. use firstorcreate() to simplify conditional record creation. use updateorcreate() to efficiently update or insert records. take advantage of pluck() to get singl... Read All

guitarist. i’m not sure if it’s biologically possible for someone to be completely unable to see these kinds of images, but if for any reason you can’t, someone like you—who also happens to be a programmer—has created a tool that extracts the hidden 3d image. it’s not perfect, but it’s ... Read All