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When choosing a database system, PostgreSQL (Postgres) and SQLite are two common options. This article compares their features, strengths, and best use cases. We’ll cover: By the end, you’ll understand both systems and feel confident picking the right one. What Is SQLite? SQLite is a lightweight relational database management system (RDBMS) built as a library. … Read more
We’ll discuss the Postgres ISNULL (IS NULL) condition in this article. We’ll explain what this function does and show examples of how to use it. This operator is more than just a tool for identifying gaps in data. It’s a versatile function used in various contexts and scenarios, allowing for more comprehensive data exploration and … Read more
In this tutorial, we will be going through the steps required to set up a local Simple Mail Transfer Protocol (SMTP) server on an Ubuntu system and then use that server for email notifications in Grafana. This is necessary for the “forgot password” feature to function correctly. A little background on Grafana… Grafana is an … Read more
Java is one of the most popular programming languages worldwide. Choosing the right distribution is critical for your projects. Java SE (Standard Edition) has several distributions, each with distinct features, pricing, and installation methods. This article reviews five top Java distributions, comparing their features, setup steps, and overall value to help you choose the best … Read more
Dependency management is a crucial part of any Node.js project, but it can often lead to frustrating issues, especially when dealing with peer dependencies. Developers using npm 7 or later may encounter errors during package installation due to stricter peer dependency checks. One effective workaround is the npm –legacy-peer-deps option. This guide explains what it … Read more
The ‘unable to get local issuer certificate’ error is a common headache for Node.js developers using npm. If you’re working with npm, understanding this error can save you time and frustration. What Does the Error Mean? When npm tries to verify a server’s SSL/TLS certificate but fails, it throws this error. In simple terms, npm … Read more
BlueStacks lets you run Android apps on your Linux desktop, bridging mobile and desktop systems. With growing demand for Android apps across industries, this emulator has become an essential tool for developers and casual users alike. For Linux enthusiasts, BlueStacks offers a smooth way to expand what their systems can do. What Is BlueStacks? BlueStacks … Read more
In Linux, every file and directory has an associated set of permissions. These permissions determine who can read, write, or execute the file or directory. Using the chmod command is a fundamental aspect of Linux and Unix-like operating systems. We’ll show you several Linux permissions calculators and examples of how to use the chmod comand. … Read more
Understanding the sleep Command in Shell Scripting The sleep command is a simple yet handy tool in shell scripting. Its syntax looks like this: • NUMBER: The duration for which the command pauses. • SUFFIX (optional): Defines the unit of time. • s: seconds (default if no suffix is used) • m: minutes • h: … Read more
Windows 11, the latest iteration of Microsoft’s renowned operating system, is not only a visually stunning update but also one that introduces a plethora of exciting, unique features. It carries forward the legacy of its predecessor with an emphasis on productivity and performance, while integrating new components like redesigned taskbar, rounded corners, and revamped start … Read more
Introduction to Bash and YAML Bash, short for Bourne Again Shell, is a Unix-based command interpreter created by the GNU Project. It lets users enter text commands to run programs, manage files, and perform system tasks. Bash is widely used because it’s flexible and supports scripting, which makes automating complex tasks easier. YAML, short for … Read more
Understanding how to effectively install PostgreSQL on AWS EC2 Linux is a critical skill for database management in the cloud. AWS EC2 provides secure, resizable compute capacity, while PostgreSQL offers an advanced open-source database system. Mastering the installation process is the first step towards leveraging these powerful tools. Pre-requisites for Installing PostgreSQL on AWS EC2 … Read more
Part I: Understanding PostgreSQL and CPU Usage PostgreSQL, an open-source relational database system, is known for its robustness and advanced features. Yet, just like any other technology, it can encounter issues such as high CPU usage. High CPU usage occurs when processes and applications use more CPU power than necessary. This can cause significant challenges … Read more
PostgreSQL is a popular open-source relational database management system (RDBMS) known for its robustness and advanced features. One of these features is its ability to manage and manipulate indexes, which significantly contribute to database performance optimization. PostgreSQL provides various tools and commands that allow developers to efficiently monitor and manage database performance, including how to … Read more
Managing databases often requires cleaning up tables, whether for testing, development, or maintenance purposes. If you’re using PostgreSQL and looking for efficient ways to delete all tables in a database, you’re in the right place. This guide explores the most effective methods to delete all tables in PostgreSQL, complete with examples to simplify your learning … Read more
Plex Media Server is a powerful software that lets you organize and stream your media collection across devices. It’s essential to regularly update Plex to ensure you’re benefiting from the latest features, improved performance, and crucial security patches. Preparing for the Update Before updating your Plex Media Server, there are a few things you should … Read more
Seeing an “API rate limit exceeded” error? Here’s what you need to know to avoid it. An API (Application Programming Interface) lets different software systems communicate and exchange data. APIs are essential for modern apps, connecting components and making them more functional and integrated. For example, APIs enable features like sharing articles on social media, … Read more
TestRail is a comprehensive test case management tool designed for quality assurance teams. It offers an easy way to manage, track, and organize your testing efforts, boosting your team’s productivity. The TestRail API allows you to interact with TestRail’s functionalities programmatically. This interface provides the ability to add, update, or extract data from your TestRail … Read more
The Brave Browser, is a unique tool in the world of web browsers. Unlike most other browsers, Brave prioritizes privacy and security, protecting users from trackers and third-party advertisements. Additionally, Brave has a built-in system that rewards users with Basic Attention Tokens (BAT) for viewing privacy-respecting ads. What sets Brave even further apart is the … Read more
When it comes to breathing new life into an older computer or optimizing a low-spec machine, lightweight Linux distributions are often the best solution. These operating systems are designed to be super-efficient, meaning they require fewer resources while still delivering all the functionality you need. The beauty of lightweight Linux distros is how versatile they … Read more
Laravel is a popular PHP framework known for its elegant syntax and robust features. One such feature is the ability to generate PDF documents, a crucial requirement for many web applications today. Popular Laravel PDF Packages There are several packages available that make PDF generation in Laravel a breeze. Two of the most popular ones … Read more
Laravel Forge is a powerful server management tool designed specifically for PHP and Laravel web applications. Created by Taylor Otwell, the same developer behind the Laravel framework, Laravel Forge was introduced as a means to monetize the open-source framework. The importance of Laravel Forge in the PHP and Laravel ecosystem cannot be overstated, as it … Read more
Introduction to Laravel Faker What is Laravel Faker? Laravel Faker is a PHP library that generates fake data for you. Whether you need to bootstrap your database, create good-looking XML documents, fill-in your persistence to stress test it, or anonymize data taken from a production service, Laravel Faker is for you. Why use Laravel Faker? … Read more
Installing Apache Cassandra on your Windows 10 or 11 system is now more straightforward, thanks to the Windows Subsystem for Linux (WSL). WSL allows you to run a Linux environment directly on Windows, making it easier to work with tools like Cassandra. Let’s walk through the updated steps to get Apache Cassandra 5.0 up and … Read more
PostgreSQL is a powerful and flexible relational database management system (RDBMS) that’s popular with developers and database administrators. It’s known for features like its advanced role management system, scalability, and extensibility. A prominent feature of PostgreSQL is its ability to manage user roles and permissions with fine-grained precision. One of these roles, the superuser, is … Read more