Software developers rely on a variety of tools to get the job done, but that often means having to have a lot of software knowledge, otherwise it's going to be tough. Although we can understand the basics of Git in a few hours, it may take a long time to truly master its details and understand its breadth and depth. Every page of Head First Git gives you a more comprehensive description or explanation of what you thought you already knew. No matter your Git level, it can help you get better at using this useful tool.

PostgreSQL is a free, open-source relational database management system, known as the most successful database in the world. It has a long history dating back to 1985, started as a research project at the University of California, Berkeley. It not only supports many advanced features, but its performance can even exceed that of most databases in many application scenarios, including commercial databases. In fact, PostgreSQL has been considered one of the most popular databases in the world, one of the most admired databases by developers, and one of the databases with the strongest user demand.

It's no secret the world around you is becoming more connected, more configurable, more programmable, more computational. You can remain a passive participant, or you can learn to code. If you need to master the key concepts of coding in a fun and easy-to-understand way, read Head First Learn to Code.

Even if you only have a basic knowledge of HTML, you can build data-driven, interactive, dynamic websites by combining the open-source technologies with Web standards. Learning PHP, MySQL & JavaScript is a classic, step-by-step guide for teaching you how to do this. It has been updated many times, and always uses the latest core technologies of Web programming today, including PHP, MySQL, JavaScript, CSS, HTML5, jQuery, as well as React library.

HTML5 has already won the Web standards war and been supported by all web browsers. If you want to create a website or web application that is dynamic, interactive, data-rich and interconnected, then you need to use the latest HTML5 technologies to do it, such as geolocation, video, 2D rendering, Web storage, Web worker threads, etc. Head First HTML5 Programming is a definitive guide to HTML5, front-end developers from beginners to experienced veterans can benefit from it.