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136 Posts
  • Edited Tutorial

    How To Install and Use ClickHouse on Ubuntu 20.04

    ClickHouse is an open source, column-oriented analytics database created by Yandex for OLAP and big data use cases. In this tutorial, you'll install the ClickHouse database server and client on your machine. You'll us...
    By bsder Big Data Databases Ubuntu 20.04
  • Edited Tutorial in Series: How To Manage Infrastructure with Terraform

    How To Manage Infrastructure Data with Terraform Outputs

    Terraform outputs are used to extract information about the infrastructure resources from the project state. In this tutorial, you'll learn about Terraform outputs their syntax and parameters by creating a simple infr...
    By Savic Terraform DigitalOcean
  • Edited Tutorial

    How To Convert Integers to Floats in Python 3

    Python’s float() method will convert integers to floats. This is a quick tutorial on converting floats to integer numbers.
    By Lisa Tagliaferri Python Development
  • Edited Tutorial

    How To Install Jitsi Meet on Ubuntu 20.04

    Jitsi Meet is an open-source video-conferencing application based on WebRTC. In this tutorial, you will install and configure a Jitsi Meet server on Ubuntu 20.04. The default configuration allows anyone to create a ne...
    By Elliot Cooper Ubuntu 20.04 Open Source
  • Edited Tutorial

    How To Create a Laravel Contact Form and Send Emails with SendGrid

    Laravel is a free, open source PHP framework, based on Symfony and used for creating web applications. SendGrid is a cloud-based SMTP provider that allows you to send email without having to maintain email servers. In...
    By Bobby Iliev PHP PHP Frameworks Email Applications Development Nginx
  • Edited Tutorial

    How To Sandbox Processes With Systemd On Ubuntu 20.04

    Sandboxing is a computer security technique that focuses on isolating a program or process from parts of a system that it does not need to interact with during normal operation. In this tutorial you will run through a...
    By Elliot Cooper Ubuntu 20.04 Security System Tools
  • Edited Tutorial

    How To Install and Use GoAccess Web Log Analyzer on Ubuntu 20.04

    GoAccess is a tool for monitoring web server logs in realtime. In this tutorial, you'll learn how to install and configure GoAccess for Apache on an Ubuntu 20.04 web server. You'll access different log files with the ...
    By Ayooluwa Isaiah Ubuntu 20.04 Logging
  • Edited Tutorial in Series: How To Manage Infrastructure with Terraform

    How To Improve Flexibility Using Terraform Variables, Dependencies, and Conditionals

    Hashicorp Configuration Language (HCL), which Terraform uses, like other programming languages provides a few different types of loops. In this article, we'll review the data structures HCL provides, its looping featu...
    By Savic Terraform
  • Edited Tutorial

    How To Use f-strings to Create Strings in Python 3

    Python strings are variable length sequences of characters and symbols. Strings allow your program to manipulate and track text and also display that text to your users. In this tutorial, you will learn how to use Pyt...
    By DavidMuller Python Development
  • Edited Tutorial

    How To Convert Strings to Integers in Python 3

    Strings can be converted to integers by using the int() method. If your string does not have decimal places, you’ll most likely want to convert it to an integer by using the int() method. In this quick tutorial, you'l...
    By Lisa Tagliaferri Python Development
  • Edited Tutorial

    How To Convert Integers to Strings in Python 3

    We can convert numbers to strings using the str() method. In this quick tutorial, you'll learn how to use this method to convert integers to strings.
    By Lisa Tagliaferri Python Development
  • Edited Tutorial in Series: How To Manage Infrastructure with Terraform

    How To Structure a Terraform Project

    Structuring Terraform projects appropriately according to their use cases and perceived complexity is essential to ensure their maintainability and extensibility in day-to-day operations. In this tutorial, you'll lear...
    By Savic Terraform Apache DNS Python
  • Edited Tutorial

    How To Build a REST API with Prisma and PostgreSQL

    Prisma is an open source database toolkit. In this tutorial, you will build a REST API for a small blogging application in TypeScript using Prisma and a PostgreSQL database. At the end of the tutorial, you will have a...
    By nikolasburk Databases PostgreSQL API TypeScript Docker Node.js
  • Edited Tutorial

    How To Set Up a JupyterLab Environment on Ubuntu 18.04

    JupyterLab is the update over Jupyter Notebook environments, offering a highly feature-rich UI that makes it easier for users, particularly in the fields of Data Science and AI, to perform their tasks. In this tutoria...
    By Anubhav Singh Ubuntu 18.04 Data Analysis Python
  • Edited Tutorial

    How To Create Your First Cross-Platform Desktop Application with Electron on macOS

    Electron is an open source framework for creating native applications with web technologies like JavaScript, HTML, and CSS. In this tutorial, you'll first set up a project and install Electron. After that you'll creat...
    By Maneesha Dedigama JavaScript Development
  • Edited Tutorial

    How To Use the collections Module in Python 3

    In this tutorial, we’ll go through three classes in the collections module to help you work with tuples, dictionaries, and lists. We’ll use namedtuples to create tuples with named fields, defaultdict to concisely grou...
    By DavidMuller Python
  • Edited Tutorial

    How To Set Up a Ceph Cluster within Kubernetes Using Rook

    Rook is a storage orchestration tool that provides a cloud-native, open source solution for a diverse set of storage providers. Ceph is a highly scalable distributed-storage solution offering object, block, and file s...
    By Gabriel Tanner Kubernetes Block Storage DigitalOcean Volumes
  • Published Tutorial

    How To Use the Python Map Function

    We can use the built-in function map() to apply a function to each item in an iterable (like a list or dictionary) and return a new iterator for retrieving the results. In this tutorial, we'll review three different w...
    By Kathryn Hancox Python Development
  • Edited Tutorial

    How To Trick a Neural Network in Python 3

    In this tutorial, you will try "fooling" or tricking an animal classifier. As you work through the tutorial, you'll use OpenCV, a computer-vision library, and PyTorch, a deep learning library. By the end of the tutori...
    By Alvin Wan Machine Learning Python Python Frameworks Development
  • Edited Tutorial

    How To Use subprocess to Run External Programs in Python 3

    Python 3's subprocess module can be used to run external programs and read their outputs in your Python code. subprocess includes several classes and functions, but in this tutorial we'll cover one of subprocess's mos...
    By DavidMuller Python