As you might remember, if you read a previous blog post of mine about tips for software testers, I mentioned two elementary terms used in software testing – white box and black box testing. In this article, I will explain what they are and what are their positive and negative aspects. What do white box […]

When talking about web or mobile application development, you cannot miss the importance of software testing. One does not only deploy new functionality before testing it thoroughly. Don’t trust developers (even if they are engineers). There is ALWAYS something to fix or to improve. It is not uncommon for software developers to write code without […]

In the last post, I told you about the benefits of using TypeScript and basic TypeScript types. Now is the time for more advanced types & tricks in TS. Let’s get started.

A software metric is a measure of software characteristics. Software metrics are valuable for many reasons such as: measuring software performance planning work iterations measuring productivity and different use cases. In the software development process, many metrics are correlated. Software metrics are similar to the four functions of management: Planning Organization Control Improvement. I’d like […]

Modern DevOps solutions allow us to scale the applications quickly. Scaling doesn’t always mean that we are slowly gaining customers and need to add more instances or servers. Scaling up can also happen periodically as the demand for our app might be higher in the evening or during the weekends.

To make your code more predictable and readable you can set types of your variables, functions (arguments and return values), etc.In this post I will show you basic Typescript types and how to use them. What is TypeScript? TypeScript is a superset of JavaScript which provides optional static typing, interfaces, and classes. Is TypeScript worth […]

Vue 3 will be released soon with many interesting improvements. In this article, we’ll take a look at new features with code examples. Vue 3 applications are going to be around 50% smaller (10kB) than Vue 2, better structured and more maintainable. Also Virtual DOM got rewritten for better performance. Probably the most exciting feature […]

In this article, I will show how to configure unit testing in a VueJS project. Then, I’ll show you a working example of how you can write tests for your own components.

In the Grandmetric development team, we regularly use the aiohttp library as our asynchronous HTTP client/server for Python. This D&C shows how to use and register request handlers in the aiohttp application. In particular, we would like to focus on paths order. That’s why you might find other solutions simplified for the sake of our […]