Introduction Java 8 brought significant improvements and new features to the Java programming language. These features are designed to improve developer productivity, enable functional programming, and enhance performance. This cheat sheet covers the most important concepts and features introduced in Java 8. Learn everything about Java and Java 8: Learn Java Programming. Java 8 Concepts …
Introduction RabbitMQ is an open-source message broker software that facilitates communication between different parts of a system by sending, receiving, and managing messages. It’s commonly used in distributed systems to ensure reliable data transfer between services. This cheat sheet covers the key concepts and commands you need to work efficiently with RabbitMQ. RabbitMQ Concepts Concept …
Introduction Apache Kafka is a distributed streaming platform used to build real-time data pipelines and streaming applications. It is designed to handle a high throughput of data streams, providing features like fault tolerance, scalability, and durability. Kafka is widely used in industries for real-time analytics, monitoring, and event-driven architectures. This cheat sheet provides a quick …
Introduction TestNG is a powerful testing framework inspired by JUnit and NUnit. It is designed to cover all categories of tests, including unit, functional, end-to-end, integration, etc. TestNG offers various annotations that help to configure and execute test methods in a flexible manner. This cheat sheet provides a comprehensive list of TestNG annotations along with …
Introduction Java’s Stream API was introduced in Java 8, and it provides a powerful and efficient way to process sequences of elements. Streams can perform operations like filtering, mapping, and reducing on collections, making it easier to work with large datasets and improving code readability. This cheat sheet provides a quick reference to the most …
Introduction Java keywords are reserved words that have a predefined meaning in the language. They are used to perform various operations and cannot be used as identifiers (such as variable names, function names, etc.). This cheat sheet provides a quick reference to all the Java keywords along with a brief description of their use. List …
Introduction Java’s String class provides a comprehensive set of methods for string manipulation, comparison, searching, and more. Understanding these methods is crucial for effective string handling in Java applications. This cheat sheet lists all the String methods available in Java SE 22, providing a brief description, examples, and explanations. Java String Methods Cheat Sheet Method …
Introduction Visual Studio Code (VSCode) is a powerful and popular code editor developed by Microsoft. It supports a wide range of programming languages and offers numerous features to boost your coding productivity. Mastering VSCode keyboard shortcuts is essential for maximizing efficiency. This cheat sheet provides a quick reference to the most commonly used shortcuts for …
Visual Studio Code (VSCode) Cheat Sheet for macOS Read More »
Introduction Mastering Sublime Text keyboard shortcuts is essential for improving your workflow. This cheat sheet provides a quick reference to the most commonly used Sublime Text keyboard shortcuts for Windows. Sublime Text Keyboard Shortcuts Cheat Sheet General Action Windows Command Palette Ctrl + Shift + P Open File Ctrl + O Save File Ctrl + …
Introduction Visual Studio Code (VSCode) is a powerful and popular code editor developed by Microsoft. It supports various programming languages and offers a plethora of features to enhance coding productivity. Mastering VSCode keyboard shortcuts can significantly improve your workflow. This cheat sheet provides a quick reference to some of the most commonly used VSCode keyboard …
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Introduction NetBeans is a popular integrated development environment (IDE) primarily for Java development but also supports other languages. Efficient use of keyboard shortcuts in NetBeans can significantly enhance your productivity. This cheat sheet provides a quick reference to some of the most commonly used NetBeans keyboard shortcuts for both Windows and macOS. Keyboard Shortcuts Cheat …
Introduction Redis is an open-source, in-memory data structure store used as a database, cache, and message broker. It supports various data structures such as strings, hashes, lists, sets, and more. Mastering Redis commands is essential for efficiently managing and utilizing Redis. This cheat sheet provides a quick reference to some of the most commonly used …
Introduction Apache Cassandra is a highly scalable, distributed NoSQL database designed to handle large amounts of data across many commodity servers with no single point of failure. This cheat sheet provides a quick reference to some of the most commonly used Cassandra commands and CQL (Cassandra Query Language) statements. Apache Cassandra Commands Cheat Sheet Keyspace …
Introduction HTTP methods are used to perform actions on resources in a web application. Each method has a specific purpose and set of semantics that define how it interacts with resources. Understanding HTTP methods is crucial for designing and interacting with web APIs effectively. HTTP Methods Cheat Sheet Here’s a handy cheat sheet of the …
Introduction HTTP status codes are standard response codes given by web servers to indicate the outcome of a client’s request. Understanding these codes is essential for debugging and optimizing web applications. This cheat sheet provides a quick reference to the most important HTTP status codes, categorized by their response type. HTTP Status Codes Cheat Sheet …
Introduction Design patterns are typical solutions to common problems in software design. They represent best practices used by experienced object-oriented software developers. The Gang of Four (GoF) design patterns are a set of 23 foundational software design patterns introduced in the book “Design Patterns: Elements of Reusable Object-Oriented Software” by Erich Gamma, Richard Helm, Ralph …
Introduction Microsoft SQL Server is a relational database management system developed by Microsoft. It is widely used for managing and storing information. Mastering SQL Server commands is essential for database administration and development. This cheat sheet provides a quick reference to some of the most commonly used SQL Server commands. Microsoft SQL Server Commands Cheat …
Introduction Oracle Database is a multi-model database management system known for its robustness and scalability. Understanding Oracle SQL commands is essential for managing and querying Oracle databases efficiently. This cheat sheet provides a quick reference to some of the most commonly used Oracle SQL commands. Oracle Database Commands Cheat Sheet Data Manipulation Language (DML) Commands …
Introduction SQL (Structured Query Language) is the standard language for interacting with relational databases. It is used for querying, updating, and managing data. Understanding SQL commands is essential for database administration and development. This cheat sheet provides a quick reference to some of the most commonly used SQL commands. SQL Commands Cheat Sheet Data Manipulation …
Introduction MongoDB is a popular NoSQL database that stores data in flexible, JSON-like documents. It provides high performance, high availability, and easy scalability. Understanding MongoDB commands is essential for managing your databases, collections, and documents effectively. This cheat sheet provides a quick reference to some of the most commonly used MongoDB commands. MongoDB Commands Cheat …
Introduction PostgreSQL is a powerful, open-source relational database management system (RDBMS) known for its robustness, extensibility, and compliance with SQL standards. Mastering PostgreSQL commands is essential for database administration, querying, and management. This cheat sheet provides a quick reference to some of the most commonly used PostgreSQL commands. PostgreSQL Commands Cheat Sheet Here’s a handy …
Introduction MySQL is a widely-used open-source relational database management system (RDBMS). It is known for its reliability, ease of use, and performance. Mastering MySQL commands is essential for database administration, querying, and management. This cheat sheet provides a quick reference to some of the most commonly used MySQL commands. MySQL Database Commands Cheat Sheet Here’s …
Introduction Unix is a powerful, multiuser, multitasking operating system used widely in both servers and workstations. Mastering Unix commands is essential for navigating and managing Unix-based systems efficiently. This cheat sheet provides a quick reference to some of the most commonly used Unix commands. Unix Commands Cheat Sheet Here’s a handy cheat sheet of the …
Introduction Eclipse is a popular integrated development environment (IDE) for Java and other programming languages. Mastering Eclipse keyboard shortcuts can greatly enhance your productivity and streamline your development workflow. This cheat sheet provides a quick reference to some of the most commonly used Eclipse shortcuts. Eclipse Keyboard Shortcuts Cheat Sheet Here’s a handy cheat sheet …
Introduction HTML (Hypertext Markup Language) is the standard language for creating web pages. HTML5 is the latest version that introduces new elements and attributes to provide better structure and functionality. Understanding the basic and new HTML5 elements and their attributes is essential for building and designing web pages. HTML & HTML5 Tags Cheat Sheet Here’s …