Page 74-ruby language Programming Tutorials: Learn ruby language Online-php.cn

Article Tags

Home

Technical Articles

Backend Development

Let's talk about how to switch Python versions at will

Preface I don’t know if you have encountered such a situation in your daily development work: Project A was developed using Python 2.7 version (maybe it has not been upgraded due to historical issues) Project B was developed using Python 3.10.4 version. Assume that requests==2.25.1 version is used. Project C is developed with Python 3.10.4 version. It is assumed that requests==2.27.1 version is used. First question: Python version problem, Python 2.x and Python 3 The difference between .x versions is quite large, and it is difficult to manage if there are too many versions. Second question: Maybe the version of requests is in project B

Apr 13, 2023 pm 06:58 PM

Python pyenv 解释器

Let's talk about Python eight-part essay

Hello comrades, today I will take you to review the basic issues in python. We all know that python is an interpreted language, and its efficiency is lower than that of other languages. This lower performance is just slightly lower, but what? , buying these is trivial in many scenarios. With the easy-to-understand and learn syntax, more work can be completed in a short time, and development efficiency will become higher. At the same time, Python comes with various ready-made libraries for We use Python in development programs, and it is relatively easy to maintain. Python provides us with a very complete basic code library, covering a large number of contents such as networks, files, GUIs, databases, texts, etc. It is vividly called "built-in batteries"

Apr 13, 2023 pm 03:10 PM

网络 Python 文件

Summarize some common HTML calling methods

HTML calling method HTML is a markup language used to create web pages and other online documents. It is usually written using tags and attributes to describe the structure and style of the document. In order to display HTML documents, we need to use corresponding tools and technologies to call and render these documents. In this article, we will introduce some common HTML calling methods to help beginners deepen their understanding of HTML. 1. Open HTML files in browser After creating HTML files on local computer, we can open them in web browser. Just need a pair

Apr 13, 2023 pm 01:38 PM

TIOBE April list: MATLAB is about to fall out of the top 20, Python continues to lead

Not surprisingly, Python has held the top spot for seven consecutive months since October last year. MATLAB, which is mainly used in the field of numerical analysis, plummeted from 15th last month to 20th, and is about to fall out of the top 20. This is the first time MATLAB has been in the past 10 years. Although MATLAB's update cycle is twice a year, its development speed and update range are not very significant. Moreover, MATLAB has always been expensive to license, and its alternatives are quickly catching up - MATLAB's main competitors are Python (currently ranked No. 1) and Julia (up from 32 this month)

Apr 12, 2023 pm 09:01 PM

Python 编程语言 MATLAB

How to install PHP on Wind and MacOS systems

In web development, PHP is a widely used server-side language. If you want to run PHP files on your computer, you first need to install PHP. This article will explain how to install PHP on Windows and MacOS operating systems. Install PHP on Windows Step 1: Download PHP First, you need to download PHP. You can download the latest stable version from PHP's official website (https://windows.php.net/download/). Step 2: Unzip the downloaded file

Apr 12, 2023 pm 01:57 PM

Programming languages worth learning in 2022: Python is highly popular, Ruby has the best salary

CodingNomads, a website for programming courses, has released a report on "The Best Programming Languages to Learn in 2022" detailing job requirements and salary levels for some languages. If you're excited about the data and logic aspects of coding, you might want to learn Python, Java, C, C++, or C#. If you are interested in visual design and UX/UI, then JavaScript and TypeScript will be the best languages for you. If you want to create mobile apps, you should learn Java for Android, and Swift/Objecti for Apple iOS

Apr 12, 2023 pm 01:25 PM

Python 编程语言 Ruby

An inventory of front-end construction tools

Build tools have become an integral part of front-end development today. They can help us automate tasks, optimize code, and improve development efficiency. More and more front-end construction tools are emerging in the community. This article will introduce some of the most popular front-end construction tools, as well as their respective advantages and disadvantages, to help you better choose the most suitable tool for your project. Webpack Webpack is a module packaging tool that can treat various resource files (such as JavaScript, CSS, images, etc.) as modules, and process and optimize them uniformly during packaging. Its main function is to package multiple modules into one or more files, and optimize and compress these files to improve page loading speed and user experience. It has the following characteristics

Apr 12, 2023 am 11:43 AM

工具前端构建

Microsoft's Python novice tool is so delicious!

Hello everyone, I am a rookie! I recently visited the G website and found that Microsoft has open sourced a project called "playwright-python" as a rising project. Playwright is a pure automation tool for the Python language. It can automatically execute Chromium, Firefox and WebKit browsers through a single API. It can realize automation functions without even writing code. Although the testing tool selenium has complete documentation, its learning cost prohibits many novices. In contrast, playwright-python is simply an artifact for novices. Does Playwright really work with Python?

Apr 12, 2023 am 10:55 AM

微软 Python 小白神器

Introduction to WSGI, uWSGI and uwsgi in Python

1. Overview WSGI, uWSGI and uwsgi are three related concepts. They are different tools and protocols used in web application development. The following is their detailed introduction: WSGI (Web Server Gateway Interface): WSGI is an interface specification between Python web applications and web servers. It defines a standard interface between applications and servers, allowing applications to run on different servers. running on the web server. The WSGI specification specifies the interface methods that applications must implement and that the server needs to support. The WSGI protocol enables a different Python Web

Apr 12, 2023 am 09:25 AM

工具开发 web

Paste the code and automatically find bugs. This debug tool automatically fixes it in just a few seconds. It also has GPT-3 to answer questions online.

When writing programs, whether for beginners or professional developers, a lot of time is spent debugging or fixing source code errors, also known as Debug. This process is cumbersome and complicated, including bug recurrence and bug location. With an automated debug program, the efficiency of programming practice can be significantly improved. Recently, a developer created a debugging tool called Adrenaline that can fix and explain problematic code in a few seconds. Trial address: https://useadrenaline.com/ This tool is powered by OpenAI Codex, a link between OpenAI and GitHub

Apr 11, 2023 pm 02:01 PM

代码程序员

Can gitlab be built with windows8?

Github is an essential version control tool for programmers for daily development, but in addition, there is another tool that is equally powerful and worth knowing, and that is GitLab. Some programmers are not familiar with GitLab, don't know how to use GitLab, let alone whether GitLab can be built on a Windows 8 system. This article will introduce you to GitLab and how to build GitLab on Windows 8 system. 1. What is GitLab? GitLab is an open source code hosting management system, similar to

Apr 11, 2023 am 09:09 AM

How to set up gitlab server on window 7 (steps)

Nowadays, it has become a trend for developers to use Git in the code management process, and GitLab is a management system that allows you to build a Git warehouse on your own server. In this article, I will introduce you how to set up GitLab server on Windows 7. 1. Download and install Git First, you need to download and install the Git client: https://git-scm.com/downloads. After the installation is complete, open Git Bash (search in the Start menu) and make sure

Apr 07, 2023 am 09:25 AM

How to set up a github blog on mac

Nowadays, more and more people are choosing to set up their own blogs on the Internet. This method not only provides enough freedom, but also allows them to demonstrate their technical abilities. For Mac system users, how to set up your own GitHub blog is also a good practice. GitHub is the world's largest code hosting website, and it offers a variety of features, including blog hosting. Moreover, GitHub Pages fully supports Jekyll - an excellent static website generator that not only can quickly generate websites, but also is easy to use.

Apr 06, 2023 pm 12:47 PM

What languages does nodejs support?

Node.js is a server-side JavaScript running environment that can run on multiple operating systems, including Windows, Linux, and MacOS. Although Node.js was originally developed as a JavaScript runtime environment, it does not only support the JavaScript language, but can also support other programming languages by loading modules. The following are some programming languages supported by Node.js: 1. JavaScript as the "native language" of Node.js

Apr 06, 2023 am 08:54 AM