vheidari

How To Back up Google Chorom extensions in your linux :

To back up an extension of Google Chrome in Linux, you should follow these instructions:

cd ~/.config/google-chrome/[$ProfileName or $ProfileId]/Extensions/

tar -cf [$ExtensionId].tar ./[$ExtensionId]

mv ./[$ExtensionId].tar ~/Download

vheidari

What is patch and how we could take its advantage to our code ?

Unix-based systems carry a lot of useful tool. actually they made them to help us improve our productivity. patch is one of useful tool that help programer update a existing codebase.

Note

A patch is a file that contains the differences between two sets of code or files. It is used to update an existing codebase by applying changes without rewriting the entire code. The patch utility is a useful tool for programmers to apply updates to codebases.

When we work on a existing codebase we might update and do some change to it to fix a bug then we can use patch utility to add update to codebase. I try to explain its advantage with an example like this :

An example

vheidari

Handling multiple version of CMake , Clang, Python or etc on your Linux system by symbolic link

In this presentation we will learn how to manage multiple version of development tools inside a linux machine.

I have three different versions of clang

version :
    - clang-12
    - clang-14

• clang-15

vheidari

A quick tour inside your Android smatrphone with ADB

In this quick guide, we will learn what ADB (Android Debug Bridge) is and explore its options through a simple example. it should provid enough to understanding of how it works ;)

If you aren't familiar with it, this tool allows us to explore the inner workings of our Android smartphone, like a hacker (not literally, of course), without requiring root access. it enable various task such as installing and debugging applications, transferring files, and executing shell commands on the device.

How to install and use it ?

To install ADB tools, we have two approaches that you can choose from and follow through.

Install ADB through APT/Manually

vheidari

What is ES6 standard, and how we could use it inside React

ES6 stands for ESCIMASCript 2015. in this standard we got some features that added to javascrip. there is a list of ES6 feature that React support them. in folow we familiar with them.

Class

// Base Class defination
//-----------------------------------------------------
class Car {
    
    constructor(name, type, model, color) {

vheidari

Lets compile Jakt programing language compiler on the Linux

Okey, today we work with Jakt.What is Jakt ? this is your answerd -> Jakt is a memory-safe systems programming language.it develop and maintain by Serenity OS team and today we would like to compile it and use it.

Who are the project maintainers?

The project maintainers at this time (Wed 10 May 2023 01:30:45 PM) are :

- @awesomekling, 
- @jntrnr, 
- @linusg,

• @alimpfard,

vheidari

How to reverse engineering a DLINK ADSL Modem firmware

I have a DLINK DSL-2750U - HW:V1 and I would like to reverse its frimware. for start I search for a frimware version that could matched with my device I found some image to download. you can also find this image on the DLINK website. this url might help you if you want do it step by step with us.

https://dlinkmea.com/index.php/site/SupportResource

In above url I search for DSL-2750U then I select a proper version for my device for me the lastest version that I could install on my device was H/W Ver. V1/V2 F/W Ver.1.16_ME. you can also could select right version for yourself.

vheidari

Puppeteer

In this article I wanna introduce Puppeteer as a tools that help us to do something cool like Web Scraping or Automation some task. Puppeteer helps developer up and run a google chromium browser throught command line tools this google chromium is headless browser that acting like real world browser. Puppeteer Api helps developer to do anyting that a user could do with it's browser. for example :

• we could open and new page or new tab
• we could select any element from DOM with it's api
• we could typing and selection input element and manipulate them value
• we could select a button and click on it
• we could create a pdf from current page that
• we could create a screenshot from current page
• ...

vheidari

HAYLOU GT1 Pro headphone, and Linux output sound problem

If you have any problem with your bluetooth headphone on the Linux(Mint/Ubuntu base) this articel is for you especialy if you are use HEYLOU GT1 Pro. recently I bought one of them and it has some issuse on linux. it's connnect to my laptop bluetooth but output sound is terrible.

Well I did some research about it and this is my result:

I found a couple of posts on the web that they were discuss about a2dp_sink profile. that must set as output profile for bluethooth headphone. I check it but output profile for my bluethooth headphone was OK. if you want check output profile for your bluetooth device you could use this below command within your terminal :

pacmd list-sinks

vheidari

Dependency in Development could make you crazy we have a little story about that

Recently, I develop a full website (Frontend and Backend) for my client and deliver it to my client. After that, I decide to change my development area from Windows to Linux.

After a couple of years, my client call with me and told me they want to update the project. I accepted it to add some feature that they need to add.

But during new setup the project on new machine (Linux) we encounter some interesting problems that I try to explain them in this article. I hope you will find it useful.

Frontend Dependency problems

On new machine (Linux) before I decide to updateing the project I just installed lastest version of nodejs and npm with nvm (node version mananger). current version in order for nodejs and npm are : (16.16.0) - ( 8.11.0 ).