Development

Understanding Data Types in PHP — step-by-step Programming tutorial on Progressive Robot

Understanding Data Types in PHP

In PHP, as in all programming languages, data types are used to classify one particular type of data. This is important because the specific data type you use will determine what values you can assign to it and what you can do to it (including what operations you can perform on it). In this tutorial, we will go over the important data types native to PHP. This is not an exhaustive investigation of data types, but will help you become familiar with what options you have available to you in PHP.

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Импорт пакетов в Go — step-by-step Programming tutorial on Progressive Robot

Импорт пакетов в Go

Иногда для вашего кода могут потребоваться дополнительные функции вне текущей программы. В подобных случаях вы можете использовать пакеты, чтобы сделать программу более функциональной. Пакет представляет собой все файлы в одном каталоге на диске. Пакеты могут определять функции,…

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如何在Ubuntu 18.04服务器上安装Python 3并建立本地编程环境 — step-by-step Linux tutorial on Progressive Robot

如何在Ubuntu 18.04服务器上安装Python 3并建立本地编程环境

Python是一种灵活多样的编程语言。它的用途广泛,在脚本、自动化、数据分析、机器学习和后端开发方面都具有优势。Python于1991年首次发行,名字的灵感来源于英国喜剧团体”Monty Python”,因此Python开发团队希望让Python用起来很有趣。易于安装配置、代码风格相对简单直接、有即时的反馈和报错,这些特性让Python成为编程初学者的一个很好选择,也同样适合有经验的程序员。[Python…

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How To Use Variables and Constants in Go — step-by-step Programming tutorial on Progressive Robot

How To Use Variables and Constants in Go

Variables are an important programming concept to master. They are symbols that stand in for a value you’re using in a program. This tutorial will cover some variable basics and best practices for using them within the Go programs you create.

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Understanding Map and Set Objects in JavaScript — step-by-step Javascript tutorial on Progressive Robot

Understanding Map and Set Objects in JavaScript

Introduced in ECMAScript 2015, Maps in JavaScript are ordered collections of key/value pairs, and Sets are collections of unique values. In this article, you will go over the Map and Set objects, what makes them similar or different to Objects and Arrays, the properties and methods available to them, and examples of some practical uses.

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