Developer Tutorials, Beginner & Advanced, Programming Guides and Tips

PDF is an application utilized for communicating comprehensive information from one system to another. This electronic format allows the users in obtaining large data over various platforms efficiently and quickly. The PDF file format is free from the computer operating system. This quality makes the PDF file format portable and cooperative on any system. It can include hyperlinks, text, and much more. Hence, PDF is extensively utilized by users all over the world. Users face [...]

PostgreSQL is a general-purpose and relational database management system. It is one of the most advanced open-source database systems. It was generated on POSTGRES 4.2 at Berkeley Computer Science Department, University of California. It operates on all principal operating systems such as Linux, UNIX (AIX, BSD, HP-UX, SGI IRIX, Mac OS X, Solaris, Tru64), and Windows. Let’s take a look at some of the most important topics of PostgreSQL: Constraints How to apply all the [...]

Learning to code has always been a challenging thing to do. If you are a beginner, you can easily get overwhelmed with the types of development methodologies out there. However, there is one method that you can utilize for better learning and development experience, i.e., Test-driven development(TDD). Test-driven development(TDD) is one of the popular ways to code and create projects. It revolves around creating tests and then writing the actual code. Traditional development revolves around [...]

This tutorial will study the Lasso and Ridge regression methods with Python implementations and discuss their differences. Table of Contents: Regression models Bias and variance terms Lasso regression and Python implementation Ridge regression and Python implementation Summary and Discussion We start from the general description of regression models and examine bias and variance concepts. Then we explain Lasso and Ridge regressions by demonstrating their Python implementations. In the last part, we summarize the tutorial and [...]

Developers have been using various ways to create and deploy applications. The most common are the traditional methods of deployment. Since this is the era of new technology advancements, software companies have been continuously introducing and applying the latest application deployment platforms to improve the process. Docker is the most common platform that has gained massive popularity relatively quickly by switching the deployment methods to isolated containers. Kubernetes is another platform that provides container-based deployment. [...]

LiceCap is a very useful tool to create GIF images from screen recording. It's open-source and much popular among developer communities. The final GIF image quality generated from LiceCap is great, and it's also size efficient! If you are not using LICECap then you should definitely try this out! Now coming to the issue I faced with LICECap. I usually work with multiple monitors and use LICECap to record the screen on my secondary monitor. [...]

Front web development is exciting as it gives you the ability to work on different technologies. TypeScript and React are those two amazing front-end technologies that give you complete control over your website. However, as a developer, you may find it hard to manage them. In short, it can get confusing and challenging when you want those two technologies to work together. That’s why, in this article, we go through some of the best practices [...]

The C preprocessor directives are executed before the compilation of a program. It is not a part of the compiler and it is a separate step in the compilation process. It instructs the compiler to do the required pre-processing before the actual compilation of a program. So it is just a text substitution tool. There are several steps present in between writing a program and executing a program. How does the preprocessor work? The programmer [...]

Web and formats go hand to hand. And, if you are new to the web, you will surely have been introduced to a bunch of them. One of the notable format you would surely have heard about is SVG. In this article, we will explore SVG, its history, and its importance in web development. So, by the end of the article, you will have a complete understanding of SVG and can use the knowledge in [...]

When the developer has built the desired application, the SDLC's next step is to deploy it for testing purposes. The process of delivering the application code to specific customers is known as deployment. It is an essential aspect of application development because it impacts the quick response of applications in time and new changes. The quality to adopt change and deliver a fast response time of the product depends upon the deployment method. Another essential [...]