In 2017, the U.A.E. announced its ambition to colonize Mars over the next 100 years. They were planning to construct a prototype outside the city of Dubai in the wild. Mars has a lite atmosphere and low gravity when compare with Earth, the temperature is quite high compared to Earth, these are real challenges for…
Nowadays, APIs are ruling the internet and business worlds, it’s continue to do in the future as well. APIs are the main driving forces of modern business growths and the backbone of almost all of the business applications exists in the universe. We are living in a very competitive world so it requires disruptive innovations…
Few years ago, we migrated one of our legacy web applications into SPA with RESTful API. Throughout this journey, we have had many unique challenges and we got through them one by one. One of the challenges was our web servers serving the same content over and over again for multiple URLs across millions of…
Logging is one of the important cross-cutting concerns in software development and operations. It helps to debug or investigate an issue, create business intelligence on user activities and track the state and health of the system. So, it is very important to ensure we have enough and context full logs in place to make developers…
Introduction The unit test will test only the SUT(system under testing) behavior and correctness and it will not test the SUT’s collaborators You might raise a question how to manage dependencies or eliminate them from the unit test, it is a very good question but to answer for this question is very hard. Fortunately, we…
Introduction In a well-designed application, SUT will not do everything that it required instead it will delegate to one or more collaborators to get things done. Managing these dependencies is one of the hard task and unit test focus on SUT, not other collaborators otherwise it will break the FIRST property. Fortunately, we have Test…
Introduction MS test is a unit testing automation framework which facilitates to write unit tests in .Net framework. It is the primary unit testing framework for Visual Studio. MS Test provides various elements to write the unit tests. The parameter test was one of the important feature that missed in MS Test V1 and MS…
Chrome Devtool provides the shortcut aliases to access the document.querySelector and document.querySlectorAll functions. $() – Alias for document.querySelector function. It may overridden by jQuery when it used in your site. Example: $$() – Alias for document.querySelectorAll function. Example: $x() – Function to find the DOM elements by an XPath expression. Example:
Chrome Devtool console provide a shortcut to access the output of the most recently evaluated expression. $_ is the shortcut to access the values of most recently evaluated expression in the console. Which is use full when you want to process the output from previously evaluated expression without assigning to a variable. You can find…
Chrome Dev tool is one of the best tools to develop and debug a web site or application. It provides various shortcuts that web developer can leverage them for quick access of its features. I am going to write a series of tips that covers all shortcuts and useful features of Chrome Dev tool. In…