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SQL IF Statement Example

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1. Introduction Structured Query Language (SQL) supports the IF statement like any other programming language. The IF statement tests a boolean expression. If the expression is true, then the block of statements associated with the IF statement is executed. It can also be used with an ELSE statement; In this example, I will demonstrate how to: Use the IF function ...

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PyGame: Game Programming in Python

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1. Introduction This is an article about PyGame and Game programming in Python. Pygame has modules to develop games. The modules are related to sound, graphics, io, drawing, and other utilities in python. It was developed by Pete Shinners. Initially, it was PySDL. You can create games as a standalone package based on client-side apps. You can also check this ...

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Introduction to Kubernetes Helm Charts

In this article, we explain the basics about Kubernetes Helm Charts. 1. Kubernetes Helm Charts Kubernetes Helm Chart is a single package that contains the definition of Kubernetes resources and is used to deploy the containerized application with a single helm install or helm upgrade command. In this article, I will explain the basic information that you need to know ...

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Java 8 CompletableFuture thenRun Example

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Hello. In this tutorial, we will explore the Java 8 CompletableFuture thenRun method. 1. Introduction Before diving deep into the practice stuff let us understand the thenRun(…) method we will be covering in this tutorial. CompletableFuture.thenRun() method does not depend on the previous execution CompletableFuture.thenRun() method does not return anything i.e. CompletableFuture<Void> 2. Practice Let us dive into some practice ...

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Java 8 CompletableFuture thenAccept Example

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Hello. In this tutorial, we will explore the Java 8 CompletableFuture thenAccept method. 1. Introduction Before diving deep into the practice stuff let us understand the thenAccept(…) method we will be covering in this tutorial. CompletableFuture.thenAccept() takes a Consumer and returns CompletableFuture 2. Practice Let us dive into some practice stuff from here and I am assuming that you already ...

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XML parsing in Python

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In this article, we will explain XML parsing in Python. 1. Introduction Python is an easy-to-learn, powerful programming language. It has efficient high-level data structures and a simple but effective approach to object-oriented programming. Python’s elegant syntax and dynamic typing, together with its interpreted nature, make it an ideal language for scripting and rapid application development in many areas on ...

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Python Basics

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In this article, we will explain some of the Python Basics. 1. What is Python? Python is a popular programming language. It was created by Guido van Rossum, and released in 1991. It is used for: web development (server-side)software developmentmathematicssystem scripting You can also check this tutorial in the following video: Python Basics Tutorial – Video 2. What can Python ...

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Java 8 CompletableFuture thenApply Example

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Hello. In this tutorial, we will explore the Java 8 CompletableFuture thenApply method. 1. Introduction Before diving deep into the practice stuff let us understand the thenApply(…) method we will be covering in this tutorial. CompletableFuture.thenApply(…) method is inherited from the CompletionStageThe method returns a new CompletionStage (is a Promise object) that when the stage is completed normally, is executed ...

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Python Numpy Tutorial

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1. Introduction This is an article about NumPy in Python. Numpy is a numerical python library. You can use it for array processing and operate on multidimensional arrays. You can do mathematical and logical operations. 2. Python Numpy 2.1 Prerequisites Python 3.6.8 is required on windows or any operating system. Pycharm is needed for python programming. Numpy 1.20.3 needs to ...

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Java 8 CompletableFuture supplyAsync Example

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Hello. In this tutorial, we will explore the Java 8 CompletableFuture and explain the supplyAsync method. 1. Introduction Before diving deep into the practice stuff let us understand the supplyAsync(…) method we will be covering in this tutorial. Run a Supplier functional interface asynchronously. A Supplier functional interface does not accept anything but returns a valueThe completableFuture.get() blocks until the ...

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