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Constructor Example in Python

Hello in this tutorial, we will explain how a Constructor works in python programming, using examples. 1. Introduction Constructors are used for instantiating an object and assign values to the data members of a class. In python, the method __inti()__ simulates the class constructor and is called every time the class is instantiated. It accepts the self keyword as an ...

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Kafka & Zookeeper for Development: Local and Docker

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Kafka popularity increases every day more and more as it takes over the streaming world. It is already provided out of the box on cloud providers like AWS, Azure and IBM Cloud. Eventually for cases of local development it is a bit peculiar due to requiring various moving parts. This blog will focus on making it easy for a developer ...

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GC Logs changes for migrating from JDK 8 to JDK 11

Problem Moving from JDK 8 to JDK 11 is quiet subtle. One issue which many people have faced is regarding is GC Logs. Solution JDK 11 uses generic logging mechanism. So flags like PrintGCDetails, PrintGCDateStamps don’t work anymore. The new format is easy to use once you understand it. Format is : 1 [tag selection][:[output][:[decorators][:output-options]]] There are 4 sections to ...

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Use the Power of your Database: XML and JSON

Today databases have a lot of functionality that is often not used by software developers because they simply not know that this exists. But knowing about this features can save a lot of time because you may write less code. One of this hidden gems is the ability of producing XML or JSON data using a SQL SELECT statement. In ...

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Java Program to Find Transpose of a Matrix

A quick and practical guide to calculate the matrix transpose in java. Transpose of a given matrix is nothing but the changing the values and order. 1. Overview In this article, you’ll learn how to find the transpose of a given matrix using a simple for loop. You can go thorough the previous articles on addition and multiplication of two ...

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Java Program to Print Multiplication Table For Given Number

A quick example program to create multiplication table in java using simple for loop and while loops. 1. Overview In this article, you’ll learn how to generate and print multiplication table in java for a given number. This can be done using for loop and while or do while loops. Knowledge on the below topics is required to understand the ...

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Selection Sort in Java with Algorithm, Example

A quick and practical programming guide to selection sort technique in java with along with the algorithm and examples. Selection Sort in java In this tutorial, We will learn aboutanother sorting technique where auxiliary space is minimized. As of now we have discussed about the following Implementation of Bubble SortImplementation of Optimized Bubble SortImplementation of Insertion SortSeveral Java Example programs ...

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Agile Vs. DevOps: What’s the difference?

In the IT business, one of the never-ending debate topics is – Agile vs. DevOps. However, both processes are completely different from each other; yet they still have some similarities. In this blog, let’s first have a quick look at defining agile and DevOps methodologies, their differences, and similarities. Defining Agile Agile methodology is a practice, which promotes continuous iteration ...

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Python map function Example

Hello in this tutorial, we will understand the different ways to use the map function in python programming. 1. Introduction The map() function in python programming executes a given function for each item in an iterable. The entity to the function is sent as a parameter. Following the syntax for the map() function – 1 2 3 4 map(function, iterables) ...

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