Arashtad Blog
Getting Started with Smart Contracts Using Solidity: A Helpful Intro
This article aims to introduce Solidity language as a tool to write smart contracts and for the ease of the audience, it begins with Remix IDE to write the Solidity scripts. In this article, we are going to see how data types are defined in Solidity and learn how to work with Remix IDE. In addition to that, we are going to write smart contracts using Solidity to store and retrieve data. Why Using Solidity? One of the most famous...
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Learning Rust for CosmWasm Smart Contracts: A Perfect Guide
Terra network smart contracts are built on top of the CosmWasm template for smart contracts, which is derived from the Cosmos ecosystem. The programming language used for writing these kinds of contracts is Rust. So, learning Rust for CosmWasm smart contracts will be essential. In this article, we are going to get started with some of the basics of learning Rust programming language for CosmWasm smart contracts. Of course, this series of tutorials are not meant to teach you all...
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How to Write Terra Smart Contracts: A Complete Tutorial
This article explains the connections between the python codes we wrote earlier (same for JavaScript) and the pre-built functions inside the src folder created with the cargo generate–git command. Reading this article will give you a deeper insight into what actually happens when we instantiate, execute or query a state of Terra smart contracts in python code and how it communicates with the CosmWasm libraries written in Rust. Being familiar with Rust programming language can help you better understand the...
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What is the relationship between the Chinese blockchain and digital currency?
Now that we have a brief overview of Metaverse, it is good to look at the relationship between the Chinese blockchain and Metavers digital currencies. In the virtual world of Metaverse, a topic called ownership is definitely a topic of discussion. Imagine entering a game where you make improvements in the game by purchasing equipment or building locations. The question now is how to prove individual ownership in this virtual world. NFT password; Personal property application tool in Metaverse...
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What is Metaverse?
Metaverse is a concept where the world is interconnected and shared. in this place where anything is possible and you can interact with others in a variety of ways. it can be created by a variety of means, including Blockchain and AR/VR technologies. In this article, I will discuss how to create it and make money by it. Ever since the first email was sent over the internet, the potential for online communications has only grown and expanded. But while...
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How to make user sudoer in Debian & Ubuntu
Using root user for regular usage is not recommended in Linux operating systems. The common solution for this point is creating a user and register him to the sudoers group. To do this on Debian and Ubuntu systems, follow the steps below: 1. Log into the system as the root. To do that, open a terminal window and type: $ su - You will be asked about the root password. Give it to the system and press enter. 2. Now,...
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How to Turn Off Update Notification Icons in Joomla!?
This is a quick tip for those admins/developers who are a bit new to Joomla! Joomla! has a notification bar at the top of it’s first admin panel screen. When and update for Joomla! or one of the extensions that your website uses is available, a notification about that shows up on the notification bar. Since the appearance of this notifications looks like an error, warning or somehow, you may know about the update but have not done it for...
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How to Access Joomla! Base URI?
This is a quick tip about Joomla! development. Sometimes you, as a Joomla! developer need to create a link to the Joomla! base or somewhere else in Joomla! websites. If everything is stable and won’t change in the future, you can create an static link like http://site.com/components/com_content/views. But the more clever and predicting way to link to somewhere in Joomla! is using base uri as the starting point of the path. In this case we redo the link above like below:...
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How to Create a Contact form in Joomla!
Contact form is the most common communication solution for websites. As an administrator, you need a gate open for your visitors so they can send you their messages, feedback etc. and having a contact form on your website, covers this necessity. In this tutorials I walk you through the process of Creating a Contact form in Joomla! So, you’ll be able to create as many as contact forms for your Joomla! website, linked to the emails you’d like.Joomla! provides a built-in component...
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How to Recover Joomla! Administrator Password via PHPMyAdmin
Joomla! Administration Password Recovery For some reasons Joomla! admin password may be lost. In this situation, the administrator needs a solution to reset his/her password in order to take the website under control again. Resetting the password will be an easy job if you still have access to the hosting account of the website. In this article we will describe, how to recover a Joomla! administration password via PHPMyAdmin. In this article we use cPanel. Since it’s the most common...
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