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W dzisiejszym świecie inżynierii oprogramowania praca bez systemu kontroli wersji jest praktycznie niemożliwa. Niezależnie od tego, czy tworzysz prostą stronę wizytówkę, czy rozbudowany system klasy enterprise, musisz wiedzieć, jak działa git kontrola wersji. To nie tylko narzędzie do robienia „kopii zapasowych” kodu, ale przede wszystkim fundament pracy zespołowej, który pozwala na równoległe rozwijanie funkcji bez […]

Imagine you are in a restaurant. You are the user and the kitchen is the system that prepares the meal (data). How do you pass your order to the kitchen and receive your dish? You need an intermediary - a waiter. In the world of technology, that waiter is the API. If you are wondering what an api is and how it works, you have hit the jackpot. Without this mechanism, modern

Deciding on the technology on which to base your web presence is one of the most important strategic choices in the development of your business. On the one hand, we have the world's most popular content management system, and on the other, dedicated bespoke software. The choice of wordpress vs your own bespoke website is not just down to price differences. It's

Imagine that every zloty you spend on advertising on Google or Facebook comes back to you with interest. Sounds like the perfect plan? The key to making it happen isn’t the advertising system itself, but the page the user lands on after clicking. Knowing how to create a landing page that converts is the difference between burning through your budget and scaling up

In the era of modern software development, manually uploading files to a server via FTP or manually running tests before each release are relics of the past that generate errors and delays. If you want your development process to be professional, you need to understand what ci/cd pipeline devops is and how to implement it. It is a mechanism that allows you to deliver changes to users

In a world where data is referred to as the „new oil”, being able to manage it efficiently is the absolute foundation of a software engineer's job. Whether you are building a simple mobile application or a sophisticated analytics system, you need to understand how sql databases work. SQL (Structured Query Language) is a universal language that has remained the standard for communicating with relational databases for decades

Many people dream of changing into IT, tempted by visions of high salaries and remote work. However, the plethora of materials, technologies and frameworks available means that most beginners give up after the first week. Understanding how to start programming from scratch requires not only enthusiasm but, above all, a solid plan. This guide will take you through the learning process

Did you know that images on average account for more than 50% of a website's total weight? In a world where every millisecond of delay can mean losing a customer, optimising images on a seo website becomes a key element of a performance strategy. It's not just about making graphics aesthetically pleasing - they must, above all, be „lightweight” and fully understandable to the

Google's search engine processes billions of queries every day, trying to provide the most relevant and reliable answers. What we see on the first page of results is not by chance, but the result of an incredibly complex system at work. Understanding how google algorithm updates work is key to surviving in the world of SEO. Over the years, the system has evolved from simply counting words

In the digital age, where almost every aspect of our lives and businesses relies on online solutions, data protection is becoming the number one priority. Hackers are no longer just attacking large corporations; their target is any vulnerability in the code that will allow identity theft or take control of a server. If you are interested in owasp web application security, you need to