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The Basics of the Docker Run Command

In this article we will learn the basics of the Docker run command. 1. Introduction Docker is a platform for developers and sysadmins to build, run, and share applications with containers. The use of containers to deploy applications is called containerization. Fundamentally, a container is nothing but a running process, with some added encapsulation features applied to it in order ...

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Spring Boot Application with Prometheus

Welcome, in this tutorial, we will see how to implement Prometheus in a Spring Boot application. 1. Introduction Before going further in this tutorial, we will look at the common terminology such as introduction to Spring Boot and Prometheus. 1.1 Spring Boot Spring boot is a module that provides rapid application development feature to the spring framework including auto-configuration, standalone-code, ...

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REST vs GraphQL: A Detailed Comparison

In this article, we will take a look at the most important differences between REST vs GraphQL. 1. Introduction REST and GraphQL are web services technologies that are popular. This article talks about the differences between REST and GraphQL. REST APIs are simpler compared to SOAP. REST was a defacto standard till 2011. Facebook created GraphQL for mobile applications. GraphQL ...

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How to Convert Double to String in Java

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In this article, we will learn how to Convert Double to String in Java. 1. Introduction Java language provides a Double and String types. A java.lang.Double class represents a floating-point number and java.lang.String class represents a sequence of characters. In this example, I will demonstrate how to convert a Double to String by utilizing the following classes: java.lang.Doublejava.lang.Stringjava.text.DecimalFormatjava.lang.StringBufferjava.lang.StringBuilder. 2. Technologies ...

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SQL Like – SQL Not Like

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In this article, we will be exploring the SQL Like and the SQL Not Like operators. These operators help in filtering specific patterns from the columns. 1. About SQL Like & SQL Not Like Let us start with understanding what both these operators are. 1.1 What is SQL Like operator? The SQL Like operator is used to filtering the data ...

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Spring Boot and OAuth2 Tutorial

In this tutorial, we will show how to integrate OAuth2 with Spring Security in a Spring Boot application. 1. Introduction Many web applications use some mechanism for identifying a user, if for nothing more than to provide a personalized experience. Also, an authorization check may be required to determine if the user has the necessary access level to use the ...

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Array Declaration in Java

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This article is about the Array Declaration in Java. But before we initialize an array in java, we will explain one important data structure used, the Array. 1. Introduction An array is a collection of items stored at contiguous memory locations. The idea is to store multiple items of the same type together. We can store in an array any ...

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Install Docker Desktop on Mac

In this article, we will explain how to install Docker Desktop on mac. We will see the minimum requirements for installing the Docker Desktop on mac systems. Also, we will discuss what other features come with the installation. 1. Minimum requirments Before installing the Docker into our mac system, it is essential to understand the minimum requirements for the Docker ...

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Java Variables Tutorial

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1. Introduction In this article, we will look at one of the basic concepts of Java known as variables. We will see what java variable types mean, memory storage, types of variables, and some examples. 2. What is a Variable? In Java, a variable is a container to hold data values during execution of a java program. All variables have ...

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SQL Truncate Table Example

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In this article, we are going to explain the SQL Truncate Table through examples. While using tables in databases, you may need to delete the data of the entire table. In this article, we will study the SQL Truncate Table command, and use it with an example. We will also understand the difference between the SQL Drop Table command and ...

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