Forever is a server-side JavaScript application that plays a crucial role in ensuring the continuous operation of Node.js applications. Its primary function is to monitor Node.js processes and ensure they run indefinitely by automatically restarting them in the event of an unexpected exit or failure. When a Node.js application encounters an error or crashes, it […]
Java
flow: A static type checker for JavaScript
flow is a highly useful tool that serves as a static type checker for JavaScript. It enables developers to add static typing to their JavaScript code, bringing the benefits of type safety and improved code quality to their projects. With Flow, you can catch potential type-related errors in your JavaScript code before they manifest during […]
Apache Ant – Tool for building and managing Java-based projects.
“ant” (Apache Ant) is a powerful build tool primarily used for building and managing Java-based projects. It provides a platform-independent and flexible approach to automate the compilation, testing, packaging, and deployment of Java applications. With its extensive set of built-in tasks and the ability to define custom tasks, ant offers developers a robust and efficient […]
Is there a CSS parent selector
No, there is currently no CSS parent selector. While CSS has a wide range of selectors for targeting specific elements or groups of elements based on their properties, attributes, and positions in the document tree, there is no selector that allows you to select an element based on the properties of its parent element. However, […]
jarsigner: command not found
jarsigner adds a digital signature to the specified jarfile, or, if the -verify option is specified, it verifies the digital signature or signatures already attached to the JAR file. The specified signer is a case-insensitive nickname or alias for the entity whose signature is to be used. The specified signer name is used to look […]
jlink: command not found
A new tool, called jlink was introduced in Java 9 that enables the creation of modular runtime images. These runtime images are nothing but a collection of a set of modules and their dependencies. A Java enhancement proposal, JEP 220, governs the structure of this runtime image. The JLink tool is designed to provide optional […]
JavaFX ComboBox: Set a value to the combo box
A list is a little more complicated, but also a lot more fun to work with, because using JavaFX there is a lot you can do with a list. The class that needs to be instantiated to create a list object is named ComboBox . This class is just one of a bigger family of […]
keytool error java.io.FileNotFoundException: (Access is denied)
keytool manages and manipulates a keystore, a repository for public and private keys and public key certificates. keytool defines various commands for generating keys, importing data into the keystore, and exporting and displaying keystore data. Keys and certificates are stored in a keystore using a case-insensitive name or alias. keytool uses this alias to refer […]
Java Date and Time
Java provides the Date class available in java.util package, this class encapsulates the current date and time. Date( ) – This constructor initializes the object with the current date and time. Date(long millisec) – This constructor accepts an argument that equals the number of milliseconds that have elapsed since midnight, January 1, 1970. Following are […]
Java – Networking
Java Networking is a concept of connecting two or more computing devices together so that we can share resources. The java.net package of the J2SE APIs contains a collection of classes and interfaces that provide the low-level communication details. Java socket programming provides facility to share data between different computing devices. The java.net package provides […]