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Best Git Clients for Linux and Windows

1. What is a GIT Desktop client? GIT is a popular versioning system used for variety of projects ranging from a small web app to large enterprise scale applications. Developers comfortable with command line are accustomed to using GIT versioning using command line tools. However, at times, it becomes difficult to use command line in a large project. Moreover, with ...

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MongoDB close() and isClosed() Example

Hello readers, these days to increase the system capacity it is important to instruct the Mongo database to close a connection and free the associated database resources. In Mongo world, it is pretty straightforward and in this tutorial, we will see the cursor.close() and cursor.isClosed() methods available in the Mongo database. Let’s study in brief the usage of each method. ...

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Log4j BufferSize Example

This article is a tutorial about log priority levels in Log4j. In this tutorial, we are going to configure log4j via property files. 1. Introduction Log4J (Java) is a widely used logging framework for Java. It continues to grow continuously with the recent upgrade to Log4j2. Log4j supports logging via Logger, Appender and Layouts. Logger is the interaction point for ...

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MongoDB batchSize() Example

Hello readers, these days to increase the system performance it is important to retrieve the records from a database in batches. In Mongo world, it is pretty straightforward and in this tutorial, we will see the cursor.batchSize() method available in the Mongo database. Let’s study in brief the usage of this method. 1. Introduction If you have installed the MongoDB ...

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MongoDB Import and Export JSON Data Example

Hello readers, these days to protect the data against any damage or any unforeseen outages it is recommended to move a database from one server to another. In Mongo world, it is pretty straightforward and in this tutorial, we will see how to use the export and import features of the Mongo database. 1. Introduction If you have installed the ...

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MongoDB forEach() Example

Hello readers, in this tutorial, we will understand the cursor.forEach() method available in the Mongo database. Let’s study in brief the role and the usage of this method. 1. Introduction If you have installed the MongoDB application (version 3.6) on Windows or Ubuntu operating system and you wish to learn the cursor.forEach() method then follow the below steps. It is ...

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Spring Integration Database Polling Example

1. Introduction Spring Integration provides JDBC channel adapters that connect a channel to a database. In the case of the inbound adapter, a database is the source on which an SQL query can be run and the complete result set is available as a message with a Java List payload. You can map the rows to a custom POJO which will ...

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MongoDB Indexing Example

Hello readers, in Mongo database, an index is a data structure that holds the specific data of the documents. In this tutorial, we will understand the Mongo database indexing to improve the performance of the search query. 1. Introduction If you have installed the MongoDB application (version 3.6) on Windows or Ubuntu operating system and you wish to learn the ...

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Vaadin Spring Example

1. Introduction Vaadin is a web application framework written in Java, and is built on Google Web Toolkit from Vaadin Ltd. Spring Framework is a Java application framework that provides many useful services for building applications. Vaadin provides a Vaadin Spring add-on based on the core parts of vaadin4spring to make classes for UI and View as Spring managed beans so Spring dependency injection can be used. In this ...

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MongoDB Evaluation Query Operators Example

Hello readers, in this tutorial, we will understand the different evaluation query operators available in the Mongo database. Let’s study in brief the different ways in which these operators can be used. 1. Introduction If you have installed the MongoDB application (version 3.6) on Windows or Ubuntu operating system and you wish to learn the evaluation query operators then follow ...

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