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Spring Boot Method-Level Security

Welcome, in this tutorial, we will see how to implement method-level security in a spring boot application. We will use the @PreAuthorize annotation to handle the method-level security and will also understand the difference between @Secured and @PreAuthorize annotations. 1. Introduction Before going further in this tutorial, we will look at the common terminology such as introduction to Spring Boot ...

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Splunk Basic Search Example

1. Introduction Splunk Web Interface provides typeahead, context-aware, time range picker, and search history to assist searching. In this example, I will show three types of basic searches. via the Web Interfacewith Search Processing Languagefrom Extracted Fields 2. Technologies Used The example in this article was built and run using: Docker 19.03.8Splunk 8.1.1Google Chrome 87.0.4280.88 Please reference my other article ...

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How to Run MySQL and phpMyAdmin Using Docker

In this article, we will learn how to deploy MySQL and phpMyAdmin using Docker. 1. Introduction A container is a standard unit of software that packages up code and all its dependencies so the application runs quickly and reliably from one computing environment to another. A Docker container image is a lightweight, standalone, executable package of software that includes everything ...

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SQL Subquery – Nested Query in SQL

1. Introduction In this article, we will look at many examples of how to use SQL subquery using MySQL RDBMS. 2. What is the SQL Subquery? A subquery is also called a Nested Query. A Subquery is a Select Query inside another query. Subqueries can be used inside other select, insert, update and delete commands. It can also be used ...

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Internationalization in Spring Boot

Welcome, in this tutorial, we will see how to implement internationalization in a spring boot application where a single application can support multiple languages like English, French, German, etc. 1. Introduction Before going further in this tutorial, we will look at the common terminology such as introduction to Spring Boot. 1.1 Spring Boot Spring boot is a module that provides ...

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Spring Boot Download CSV File Example

Welcome, in this tutorial, we will see how to download a CSV file in a spring boot application. We will use the postman tool to view the CSV data however you are free to enhance by adding a simple HTML page containing a link to download the CSV. 1. Introduction Before going further in this tutorial, we will look at ...

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DevOps Interview Questions and Answers

In this article, we will take an overview of the most important DevOps interview questions and answers from basics to advance. Interview questions are very different from online certification exams. In the interview, skills are tested by asking concepts, experiences with tools, scenarios, benefits, issues, and lifecycle related queries. This article outlines DevOps concepts in detail. The questions which will ...

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How to Convert a String to Array in Java

In this example, we are going to learn how to convert a string into an array in Java. We are going to discuss three different methods to break a string into an array. Using substring() methodUsing toCharArray() methodUsing split() method 1. Using substring() method The string class provides substring() method to fetch part of a string. String class has two ...

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Java Deadlock Example

In this article, we are going to show a Deadlock example in Java. 1. Introduction In Java deadlock is defined as a scenario where two or more threads are blocked forever. A computer system normally has many active processes and threads. This is true even in systems that only have a single execution core, and thus only have one thread ...

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Spring Boot Application with Couchbase

Welcome, in this tutorial, we will see how to configure a spring boot application to use the couchbase bucket for storing information using spring data. 1. Introduction Before going further in this tutorial, we will look at the common terminology such as introduction to Spring Boot, Couchbase db, and Lombok. 1.1 Spring Boot Spring boot is a module that provides ...

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