Course Introduction：Validating Phone Numbers with Multiple Formats in JavaScriptThe task of validating phone numbers can be simplified with regular expressions. While...
2024-12-02 comment 0 910
Course Introduction：Executing a Bash Script from Go: Utilizing Custom CommandsIn Golang, executing external commands is simplified with the os/exec package. However,...
2024-12-14 comment 0 373
Course Introduction：This article describes how to use Python scripts to strengthen password policies and change passwords regularly. The steps are as follows: 1. Use Python's random and string modules to generate random passwords that meet the complexity requirements; 2. Use the subprocess module to call system commands (such as Linux's passwd command) to change the password to avoid hard-code the password directly; 3. Use crontab or task scheduler to execute scripts regularly. This script needs to handle errors carefully and add logs, and update regularly to deal with security vulnerabilities. Multi-level security protection can ensure system security.
2025-04-08 comment 0 667
Course Introduction：This article examines the differences in Python code execution when using the -m option. The -m option allows modules to be run as scripts, assigning a package name to the package variable. Without -m, Python treats the file as a regular script witho
2024-10-22 comment 0 665
Course Introduction：Quick review of Excel regular expression functions: REGEXTEST, REGEXEXTRACT and REGEXREPLACE Regular expressions (REGEX) are search patterns used to check if a text string complies with a given pattern and to extract or replace a text string matching the given pattern. Given its complexity, this article provides a simplified summary and example of its use in Excel. The REGEX function is suitable for users using Microsoft 365 Excel for Windows or Mac, as well as those using web versions of Excel. REGEXTEST: Text pattern matching test This function tests whether the text string is in the same way as
2025-02-06 comment 0 471
Course Elementary 13825
Course Introduction：Scala Tutorial Scala is a multi-paradigm programming language, designed to integrate various features of object-oriented programming and functional programming.
Course Elementary 82361
Course Introduction："CSS Online Manual" is the official CSS online reference manual. This CSS online development manual contains various CSS properties, definitions, usage methods, example operations, etc. It is an indispensable online query manual for WEB programming learners and developers! CSS: Cascading Style Sheets (English full name: Cascading Style Sheets) is an application used to express HTML (Standard Universal Markup Language).
Course Elementary 13181
Course Introduction：SVG is a markup language for vector graphics in HTML5. It maintains powerful drawing capabilities and at the same time has a very high-end interface to operate graphics by directly operating Dom nodes. This "SVG Tutorial" is intended to allow students to master the SVG language and some of its corresponding APIs, combined with the knowledge of 2D drawing, so that students can render and control complex graphics on the page.
Course Elementary 24630
Course Introduction：In the "AngularJS Chinese Reference Manual", AngularJS extends HTML with new attributes and expressions. AngularJS can build a single page application (SPAs: Single Page Applications). AngularJS is very easy to learn.
Course Elementary 27488
Course Introduction：Go is a new language, a concurrent, garbage-collected, fast-compiled language. It can compile a large Go program in a few seconds on a single computer. Go provides a model for software construction that makes dependency analysis easier and avoids most C-style include files and library headers. Go is a statically typed language, and its type system has no hierarchy. Therefore users do not need to spend time defining relationships between types, which feels more lightweight than typical object-oriented languages. Go is a completely garbage-collected language and provides basic support for concurrent execution and communication. By its design, Go is intended to provide a method for constructing system software on multi-core machines.
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