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Python NumPy Array Tutorial

NumPy is a Python Library/ module which is used for scientific calculations in Python programming. In this tutorial, you will learn how to perform many operations on NumPy arrays such as adding, removing, sorting, and manipulating elements in many ways. NumPy provides a multidimensional array object and other derived arrays such as masked arrays or masked multidimensional arrays. Why using ...

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Simple Do’s And Don’ts When Creating An App Trailer

Creating an app trailer is essential both to acquire more exposure and increase the number of downloads. You can use it to market your app on social media and other platforms – and can enhance its listing on the Apple’s App Store or the Google Play Store. If you want to create an effective app trailer, however, there are several ...

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OPA for HTTP Authorization

Open Policy Agent[1] is a promising, light weight and very generic policy engine to govern authorization is any type of domain. I found this comparion[2] very attractive in evaluating OPA for a project I am currently working on, where they demonstrate how OPA can cater same functionality defined in RBAC, RBAC with Seperation of Duty, ABAC and XACML.   Here are ...

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PyQt5 Drawing Tutorial (Painting APIs)

In this tutorial, we will learn how to draw vector graphics in PyQt5. In Python, the PyQt5 module is the easiest module you can use for drawing purposes as you will see. Before getting started, let’s create a window using PyQt5 where we will be drawing our graphics. Create a PyQt5 window To create the window, import the following modules: ...

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JavaScript Validator Example

Greetings readers, in this tutorial, we will explore the form validations in the javascript language. 1. Introduction JavaScript is an object-oriented programming language that allows the client-side scripting to interact with a user and deliver the dynamic pages. Most web browsers including Google Chrome, Mozilla Firefox, Safari, Internet Explorer, Microsoft Edge, Opera, etc. support it. The JavaScript scripting language includes: ...

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JavaScript round() Example

Greetings readers, in this tutorial, we will explore the round() method in the javascript language. 1. Introduction JavaScript is an object-oriented programming language that allows the client-side scripting to interact with a user and deliver the dynamic pages. Most web browsers including Google Chrome, Mozilla Firefox, Safari, Internet Explorer, Microsoft Edge, Opera, etc. support it. The JavaScript scripting language includes: ...

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Python SQLite3 Tutorial (Database Programming)

In this tutorial, we will work with SQLite3 database programmatically using Python. SQLite in general, is a server-less database that can be used within almost all programming languages including Python. Server-less means there is no need to install a separate server to work with SQLite so you can connect directly with the database. SQLite is a lightweight database that can ...

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Kivy Tutorial – Build Desktop GUI Apps Using Python

In previous tutorials, you saw how to build GUI applications using Tkinter and PyQt5, in this tutorial, we will continue building desktop GUI applications but this time using Kivy. Kivy is an open source Python library which is used to create applications on Windows, Linux, MacOS, Android and iOS. You will learn how to play with the Kivy buttons, labels, ...

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JavaScript Quicksort Example

Greetings readers, in this tutorial, we will sort the elements using a quicksort algorithm in the javascript language. 1. Introduction JavaScript is an object-oriented programming language that allows the client-side scripting to interact with a user and deliver the dynamic pages. Most web browsers including Google Chrome, Mozilla Firefox, Safari, Internet Explorer, Microsoft Edge, Opera, etc. support it. The JavaScript ...

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