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Author Archives: Mary Zheng

Mary has graduated from Mechanical Engineering department at ShangHai JiaoTong University. She also holds a Master degree in Computer Science from Webster University. During her studies she has been involved with a large number of projects ranging from programming and software engineering. She works as a senior Software Engineer in the telecommunications sector where she acts as a leader and works with others to design, implement, and monitor the software solution.

Git Download Repository Example

1. Introduction In this post, we feature a comprehensive Git Download Repository Example. Git is an open source distributed version control system designed to handle everything from small to large projects with speed and efficiency. It was first released on 12-15-2005. There are lots of Git Hosting Services available today. GitHub is one of the most popular ones. In this article, I will demonstrate ...

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Git Remote Branch Example

1. Introduction Git is an open source distributed version control system designed to handle everything from small to large projects with speed and efficiency. Three-tree architecture is the key concept. Here are the three trees: Repository tree – The place to store the committed files. It can be local or remote. The remote repository is used to track the same project but is ...

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Apache ActiveMQ SSL Example

1. Introduction Secure Sockets Layer (SSL) is a standard security protocol for establishing encrypted links between a web server and a browser in an online communication. SSL was originally developed for securing web browser and server communications by Netscape in 1994. Subsequently, the protocol was adopted by the Internet Engineering Task Force (IETF) and renamed to Transport Layer Security (TLS) ...

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Groovy Collections Example

1. Introduction Apache Groovy (Groovy) is an object-oriented dynamic programming language for the Java platform. It is dynamically compiled to the Java Virtual Machine (JVM) bytecode, and inter-operates with other Java source codes and libraries. Groovy is written in Java and was first released in 2007. Groovy provides native support for various collection types, including lists, sets, maps, and ranges. Most of these are based on ...

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Groovy Each Example

1. Introduction Apache Groovy (Groovy) is an object-oriented dynamic programming language for the Java platform. It is dynamically compiled to the Java Virtual Machine (JVM) bytecode, and inter-operates with other Java source codes and libraries. Groovy is written in Java and was first released in 2007. Groovy each and eachWithIndex methods are defined in Groovy Object, so we can use them for any object. ...

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Groovy SQL Example

1. Groovy SQL – Introduction Apache Groovy (Groovy) is an object-oriented dynamic programming language for the Java platform. It is dynamically compiled to the Java Virtual Machine (JVM) bytecode, and inter-operates with other Java source codes and libraries. Groovy is written in Java and was first released in 2007. Groovy SQL module provides a higher-level abstraction on JDBC technology. The Groovy SQL API ...

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Spring Querydsl Tutorial

Spring Data JPA and Querydsl enable developers to write type-safe queries. In this tutorial, we will build a Spring boot JPA application to demonstrate how to achieve it.                     Table Of Contents 1. Introduction 2. Technologies Used 3. Spring Boot JPA Maven Project 3.1 Dependency 3.2 Entity Classes 3.3 Generated Meta ...

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Spring Framework Groovy Tutorial

In this article, we will explain Spring Framework using Groovy. Spring is a Java application framework that provides many useful services for building applications. It has supported Apache Groovy fully since version 4. In this tutorial, we will build a Spring boot application in Groovy. Table Of Contents 1. Introduction 2. Technologies Used 3. Spring-boot Application 3.1. Groovy Dependency 3.2 ...

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Apache Tomcat Vulnerabilities Example

Apache Tomcat (Tomcat) is a widely used Java application server with over one million downloads per month. Most vulnerabilities of Tomcat are discovered by the Tomcat community or security researchers, and are quickly patched. Tomcat security is a matter of balancing convenience and restrictions. In this tutorial, we will provide an overview of the security vulnerabilities in Tomcat.     ...

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Spring Data JPARepository Example

1. Introduction Spring Data is a part of Spring Framework. It simplifies the data access process for both relational and non-relational databases. Java Persistence API (JPA) is Java’s standard API specification for object-relational mapping. Spring Data JPA is a part of Spring Data and it supports Hibernate 5, OpenJPA 2.4, and EclipseLink 2.6.1. Spring Data repository significantly reduces the amount of boilerplate code required to implement data access layers ...

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