In Go programming, packages are one of the most powerful features. Packages help maintain a large number of programs by grouping them together into single units. This makes code maintenance much easier. This modular approach also allows better code sharing and reuse. In this guide, we will learn about writing our own Go packages and implementing them in our projects. …
Managing HTTP Requests and Error Handling with Angular Interceptors
If you have been developing an application using AngularJS, you are probably aware of HTTP interceptors. However, these HTTP interceptors were not available in Angular until version 4.3. In this tutorial, we will be using interceptors in Angular to handle HTTP requests and responses, and process errors. Prerequisites Angular applications use Node.js runtime. To complete this tutorial, you will need …
Installing and Configuring LAMP on Ubuntu 20.04 with Ansible
Server automation is a secure and reliable process of managing and monitoring servers in an effective and tech-savvy way. Unlike the traditional style of managing servers at data centers controlled by a dedicated team of experts, all servers are managed using automation. As a result, human errors are minimized. Configuration management tools like Ansible, Puppet, Terraform, to name a few, …
Creating Drag and Drop Elements with Pure, Vanilla JavaScript
JavaScript is one of the most popular programming languages empowered with more than 24 frameworks and around 84 libraries. It is the only programming language intrinsically supported by all browsers. Besides, the language supports dynamic typing and is an excellent fit for rendering and animation. You can leverage JavaScript to add interactive behavior in the front-end, control the backend, create …
Deploying a Go Web Application using Nginx on Ubuntu 22.04
Go is an open-source general-purpose programming language. It was inspired by the productivity of Python while offering the ability of C. It was originally developed by Google to tackle issues they were facing with their codebase (code complexity and long compilation time). Like any other modern-day programming language, Go is suitable for all sorts of purposes. For example, it could …
How To Secure and Scale a Django Application with Docker, Nginx, and Let’s Encrypt
Millions of users get on the Internet to access information for various purposes including learning, entertainment, news, and sharing their lives’ progress with friends. Hence, when deploying an app, it’s in your best interest that you implement a highly secure and scalable infrastructure for your application. The cloud offers various ways to secure and scale a Django application. Horizontal scaling …
Exploring CloudSigma PaaS: How to Access Kubernetes Application via Public IP
CloudSigma PaaS allows users to expose their applications using a public IP address. This address needs to be attached to a node from the Kubernetes cluster environment. There are two ways to achieve this in the CloudSigma PaaS environment: One way is to attach the public IP to a dedicated load balancer. Another way is to attach the public IP …
Creating a Parallax Scrolling Effect with Pure CSS
Modern CSS has redefined web development with its powerful functionalities and extraordinary capabilities. CSS is a one-size-fits-all tool that offers standout options to make web pages highly interactive and enticing. Be it the flexibility in design, rapid customization, excellent styling options, or the advanced User Interface (UI) — CSS brings end-to-end solutions for all web development and styling needs. Above …
Using Query Parameters with Angular Router
Introduction When building applications, there might be scenarios where we want to pass in some arguments or parameters to describe the behavior of the route. In Angular, these are called query parameters, and they are optional. Query parameters should not be confused with regular route parameters that are required parameters and bound to one route only. To clear the difference …
Building a Django and Gunicorn Application with Docker on Ubuntu
Django is a high-level open-source Python web framework that can help you build your Python application quickly. It encourages rapid development and clean, pragmatic design by following the model–template–views architectural pattern. Out of the box, the framework comes with the necessary modern application components such as user authentication, caching framework, object-relational mapper, URL Dispatcher, template system, and customizable administrative interface. …
Configuring Basic HTTP Authentication with Nginx on Ubuntu 20.04
Nginx is a free, open-source web server used for load balancing, buffering, and caching. Since its inception in 2004, Nginx has gained popularity for scaling web servers and reverse proxying. Due to its high performance and excellent capabilities to handle a large volume of connections, it is used to manage and control incoming traffic. How Does HTTP Authentication Work? In …
Installing Webmail Client with Roundcube on Ubuntu 20.04: A Tutorial
Roundcube is an open-source IMAP browser-based email client. It has gained popularity for supporting ACLs and utilizing AJAX (Asynchronous JavaScript and XML) technology. It has excellent features and end-to-end functionalities like email management, MIME support, and folder manipulation, to name a few. Besides, Roundcube offers message searching, spelling checks, calendars, and contact management seamlessly. Above all, it has a robust …