Yassin Mahmud Abdul Quddus As you are reading this guide, I assume you have a keen interest in exploring the buzzword of modern-day technology called web3. Think about the Facebook app launch in 2004 and its evolution today. Or you may notice the emergence of online stores like Amazon or Alibaba out of nowhere. Web3 is expected to be … Read more
Ethereum blockchain proposed tamper-proof decentralized financial contracts and applications. One of the main objectives of Ethereum is constructing decentralized applications that run without any downtime, fraud, control, or interference from a third party. Since it does not allow third-party interference, it is literally unthinkable to find a way to check if the address is a … Read more
An array is a data structure where multiple values of similar data types can be stored. In contrast, a struct works as a container of a group of elements of different data types. A struct can then also be considered as a new data type. Hence we can create an array of structs comprising those … Read more
Deleting an element from an array in solidity can be an easy job, but some tricky parts lie under the hood. We use the “delete” function to remove the element from an array in solidity. But the length of the array and its sequence may not remain in the way we are expecting. Let’s go … Read more
Creating a game of lottery where you need to generate a random number to pick a winner can be a simple task when you use the libraries of programming languages like Python or JavaScript. But in the case of Solidity, creating a secure random number is a very complex task. Due to the deterministic character … Read more
Solidity does not offer a convenient built-in method to concatenate or compare the strings like other high-level programming languages such as java, Python, C or javascript, etc. the string type has just recently been introduced to the solidity language and it may take a while to improve further. However, the string concatenation is still possible … Read more
In the time of web scraping or with the purpose of automation, we require to get the text from the HTML element of the page. Selenium allows us to do this with a special “.text()” method. This method helps us bringing out the text that is visible in the HTML content. Today we will dive … Read more
What is to be done when you are stuck somewhere in the time of executing your automation script or you do not find a way out to reload the page that is required now? Selenium comes up with some amazing technologies that help you to solve these sorts of problems easily. Selenium has some very … Read more
Sometimes when we try to find a WebElement from the HTML code by using the find method of selenium, we might see a NoSuchElementException or Unable to locate element error on the terminal. But it is crystal clear from the HTML code that the element is present on that page. So, why does that happen? … Read more
If we want to move down to a page or want to search for something on a page that is not in view, we use scrolling to reach there. Is it possible to scroll a page automatically with selenium? Selenium‘s main feature does not have an option for scrolling. But we can achieve it with … Read more
One of the finest open-source browser automation tools recognized in today’s world is selenium and the “Select” class of selenium WebDriver enables us to handle the dropdown menu smoothly. Today, we will try to figure out all the intricacies of the “Select” class practically. Purpose of the Select Class The “Select” class in selenium allows … Read more
Modern web pages are fitted with so many functionalities. Buttons are one of the fundamental components of them. Selenium Python API bindings allow us to access the Selenium WebDrivers to click a button automatically. In this article, we will follow step by step approach to click on buttons. Setting Up the Environment We need to … Read more