Python

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Getting Started with Black and isort

Python is one of the world’s most widely used programming languages, widely adopted in web development, data science, and embedded systems.

How to Get the Current Directory in Python

Programs often need to look for, read, and write specific files in a special location. By convention, and with support from the operating system, programs maintain a current working directory used as the context for many of their files.

Modules in Python: Remove Files & Directories

Many applications use temporary files to hold intermediate results in their execution. A program, for example, may process several gigabytes of data in multiple passes because trying to hold it all in memory can exceed the ability of the system, even with a large swap store.

Getting Started with Python Sets and Python Set Operations

Pythons sets are unordered collections modeled on mathematical sets, in which elements are unique. Python sets support the logical operations of mathematical sets, like union, intersection, and difference.

Getting Started with Python Variables

Variables are what make programs capable of meaningful action and complexity. Understandably, you want to know how they work for any language you are working with.

Stack in Python: A Practical Guide to Getting Started

Stacks are convenient data structures, collecting items in a last-in-first-out order like you see with many activity histories.

The Basics of Python Data Types

Knowing about Python’s data types helps to make your Python programs more effective, and helps you to avoid errors.

How to Write and Run a Python Script

Python is one of the most popular programming languages due to its ease of use and a large selection of built-in features.

How to Use Unicode in Python 3

Most of the time, using Unicode characters in Python does not require extra effort. However, sometimes encoding and decoding do not work properly, which results in errors.

Lua vs Python: Which One is Right for You?

Lua and Python are often mentioned as good choices for embedded scripting languages. Both are interpreted, dynamically typed programming languages implemented in C.

Check Your Python Version

Python reigns as one of the most popular programming languages, with a wide range of programs and developer tools relying on it.

Use Python-Markdown to Convert Markdown to HTML

The Markdown markup language is a good choice for text formatting. Unfortunately, the Markdown syntax does not align with HTML conventions.

Python Arrays: What They Are and How to Use Them

Python arrays provide an effective way to store multiple values of the same type in a single variable.

The Priority Queue in Python 3

In Python, queues are frequently used to process items using a first in first out (FIFO) strategy.

Convert Data Types in Python

Python is a dynamically typed language, so programmers might not always consider the type of each variable they create.

Python String Interpolation

During string interpolation a string literal is evaluated and if any placeholders are present, they are substituted by the indicated variable values.

Reverse a String in Python

Python supports several common string operations, like slicing, indexing, searching, and advanced formatting. However, it lacks a dedicated, built-in method for reversing strings.

Use Dictionaries in Python 3

A dictionary in Python is much like the dictionary you find online or the paper version you find on a shelf.

The Pros and Cons of Python Programming

Python is currently one of the world’s most popular programming languages. It achieved this position due to its powerful features, flexibility, and ease of use.

An Introduction to Python Tuples

A tuple is a built-in Python data structure that stores multiple comma-separated values. Tuples are an immutable sequence type that can store values of any data type.

Boolean Variables, Operators, and Conditional Statements in Python

Boolean logic is at the heart of Python and most programming languages. It allows programmers to make comparisons, execute conditional statements, and implement common algorithms.

For and While Loops in Python 3

Programs often have to run the same commands over and over again. Python provides two types of loop statements to handle two different situations.

If Statements and Chained Conditionals in Python 3

Python programs must be able to run different branches of code in different situations. This is usually accomplished through the use of conditional statements, which determine the control flow through a program.

Install and Import Modules in Python 3

Except for very short and simple programs, most Python applications contain code from many files, directories, and packages.

Slicing and Indexing Strings in Python

Python has become one of the world’s most popular programming languages due to its intuitive and straightforward nature.

Use Mypy for Python Static Type Checking

Python is a dynamically typed language. It determines data types at run time, rather than compile time.

An Introduction to Mock Testing Using the Python Unittest Library

The Python unittest library helps you test your application code for errors in an automated way.

Python in ML: Why You Should Use Python for Machine Learning

Artificial Intelligence (AI), the appearance or simulation of human intelligence within a machine, is popular today because it can solve a huge number of problems within specific categories using well-known algorithms.

The Top 9 Web Development Languages You Need To Know

Web development began as a process for structuring static content using HTML to make it easier to exchange.

Install PyTorch on Ubuntu 20.04

This guide shows you how to install PyTorch, a Python framework, on an Ubuntu 20.04 Linode.

Use Bokeh and Python to Create Data Visualizations

Bokeh is an interactive visualization library that focuses on browser output. This guide introduces you to Bokeh with example code that creates line and bar graphs.

Create a RESTful API Using Python and Flask

Flask is a Python micro-framework for building web applications and web APIs. The framework provides pared-down core functionality, however, it is highly extensible.

An Overview of Python Testing Frameworks for Unit Testing

This guide provides an introduction to popular Python testing frameworks used to unit test software. Unit tests are automated tests that target and test specific areas of your code, like specific functions or methods.

Python Lists and How to Use Their Built-In Methods

Python includes many built-in methods and operations that help you manipulate lists. This guide shows you how to use the append(), insert(), and remove() built-in list methods.

Use Paramiko and Python to SSH into a Server

When your Python program needs to run an external password-dependent program, or access a remote server, use Paramiko.

Document a FastAPI App with OpenAPI

FastAPI automatically generates an OpenAPI schema that can be accessed by your API’s users. The documentation generated by the OpenAPI schema helps users learn about your API’s features.

Use gRPC and Python for Remote Procedural Calls

gRPC is an open-source remote procedure call (RPC) framework that enables cross-platform and cross-language communication between clients and a central server.

Python 3.9: Merge Dictionaries, Time Zone Support, and Type Annotations

Python 3.9: New FeaturesPython 3.9.5 is the latest major release and contains several new features.

An Overview of Python Packages for Data Science

Python is one of the most popular programming languages in the world because it provides a vast array of packages, it’s easy to learn, and it’s incredibly flexible.

Creating Comments in Python

Python was developed in the late 1980s, released in 1991, and is an interpreted, high-level and general-purpose programming language that emphasizes code readability.

Installing and Using Pylint for Python 3

What is Pylint?Pylint is a code analysis tool to identify errors in Python source code.

CRUD Write Operations: How to Use FastAPI to Write an API

FastAPI is a high-performance Python micro-framework designed to help developers build APIs quickly. Out-of-the-box, it generates interactive API documentation powered by the Swagger UI.

An Overview of Python API Frameworks

As one of the most popular programming languages, the Python ecosystem offers a variety of frameworks to help you build a web API.

CRUD Read Operations: How to Use FastAPI to Write an API

FastAPI FeaturesFastAPI is a modern Python micro-framework with all the functionality to support production applications.

Installing Python 3 on CentOS 8

Python is a popular programming language created in 2000, by Guido van Rossum. It’s useful for writing everything from small scripts to full-scale software.

Installing Python 3 on Debian 10

Python is a popular programming language created in 2000, by Guido van Rossum. It’s useful for writing everything from small scripts to full-scale software.

Managing Python Packages and Versions on Linux

Python is a programming language with a large library of third party modules, or packages. Python developers rely on third party packages to simplify problems when they are writing code.

Creating a Python Virtual Environment on Ubuntu 18.04

What is a Python Virtual Environment?A Python virtual environment is an isolated project space on your system that contains its own Python executable, packages, and modules.

Install Python 3 on Ubuntu 20.04

Python is a popular programming language created in 2000, by Guido van Rossum. It’s useful for writing everything from small scripts to full-scale software.

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Creating a GIS Application using Flask, Stadia Maps, and MongoDB

Geographic Information system (GIS) based applications require a beautiful mapping experience for users. Stadia Maps provides digital mapping that you can easily and affordably integrate into your web or mobile applications.

Deploying a Flask Application on Ubuntu

Flask is a light-weight web framework for Python that includes several utilities and libraries you can use to create a web application.

Using Pipenv to Manage Python Packages and Versions

What is Pipenv?Pipenv is Python’s officially recommended package management tool. It combines the functionality of Pip and Virtualenv, along with the best features of packaging tools from other languages such as Bundler and NPM.

String Manipulation in Python 3

Strings in PythonStrings are one of the most basic data types in Python, used to represent textual data.

Introduction to PySpark

What is PySpark?Apache Spark is a big-data processing engine with several advantages over MapReduce. Spark offers greater simplicity by removing much of the boilerplate code seen in Hadoop.

Monitor Filesystem Events with Pyinotify

File system monitoring through inotify can be interfaced through Python using pyinotify. This guide will demonstrate how to use a Python script to monitor a directory then explore practical uses by incorporating async modules or running additional threads.

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