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Author Archives: Odysseas Mourtzoukos

Mourtzoukos Odysseas is studying to become a software engineer, at Harokopio University of Athens. Along with his studies, he is getting involved with different projects on gaming development and web applications. He is looking forward to sharing his knowledge and experience with the world.

Java Write String to a File

1. Intruduction In this tutorial, we will see different ways that Java offers to write a String into a file. We’ll make use of BufferedWriter, PrintWriter, FileOutputStream, DataOutputStream, FileChannel, and Temporary File, and the advantages that each one gives us. 2. BufferedWriter Example In this example, we will use the BufferedWriter class. The BufferedWriter class can be used to write a String ...

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SQL Between, MySQL Between Dates, Not Between

In this example, we will see how to use the BETWEEN operator included in the SQL. 1. Introduction The BETWEEN is a logical operator, often used in the WHERE clause of the SELECT, UPDATE, and DELETE statements, and gives us the ability to specify whether a value is in a given range or not. Syntax SELECT column_name(s) FROM table_name WHERE column_name ...

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OpenCV Python Tutorial

In this article, we will explain OpenCV for Python through examples. 1.What is Computer Vision or CV Computer vision is a field that seeks to develop techniques to help an artificial system to extract information from images and videos. It tries to replicate parts of the human vision so a system can process, analyze, and make use of these pieces ...

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JVM Shutdown Hook in Java

This article is a tutorial on implementing a simple JVM Shutdown Hook in Java. In this example, we will take a look at different ways we can terminate a JVM application. 1. Introduction Shutdown Hooks allow developers to plug in the desired code to be executed when the JVM is shutting down. This is useful when we need to do ...

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