Tag: keyword

Java stuttering word segmenter realizes article paragraph keyword generation and extraction

1. pom.xml file <!–Chinese word segmentation–> <dependency> <groupId>com.huaban</groupId> <artifactId>jieba-analysis</artifactId> <version>1.0.2</version> </dependency> 2. Dic dictionary file ※Follow the WeChat public account: Sooti.com ※Reply keyword: dic ※Get word segmentation dictionary files for free 3. DTO class files package com.sulei.dto; /** * @Description: * @Author sulei * @Date 2021/12/16 16:02 */ public class Keyword implements Comparable<Keyword>{ /** *tfidfvalue […]

Java volatile keyword: Do you really understand it?

1. Volatile concept The volatile keyword is a lightweight synchronization mechanism in the Java language. It can guarantee the visibility and ordering of shared variables, but it cannot guarantee atomicity. 2. The role of volatile 1. Visibility In Java, each thread has its own working memory (cache) that stores copies of the variables it uses. […]

Python Practical Combat | Text Keyword Extraction for Text Analysis

For more content, click to view Python Practical | Text Keyword Extraction for Text Analysis Python teaching column aims to provide beginners with a systematic and comprehensive Python programming learning experience. Through step-by-step explanation of the basic language and programming logic of Python, combined with practical cases, novices can easily understand Python!>>Click here to view […]

[C++] Inline functions, auto keyword, range-based for loop, pointer null value nullptr

Fan Zimu: Personal homepage Personal columns: “C Language” “Data Structure” “Lanqiao Cup Test Questions” “LeetCode Question Notes” “Practical Training Projects” “C++” Every day without dancing is a betrayal of life Table of Contents Preface 1. Inline functions 1.1 Concept 1.2 Features 2.auto keyword 2.1 Thinking about type aliases 2.2Introduction to auto 2.3Usage details of auto […]

Complete syntax, constraints and other query keywords for creating tables

Table of Contents 1. Complete syntax for creating a table 2. Constraints 1. unsigned —–》Unsigned 2. zerofill0 —–》Filling 3. default —–》Default value 4. not null —–》not empty 5. unique —–》only 6. primary key —–》primary key 7.auto_incrment 3. The function of numbers in brackets of integers 4. Two ways to clear the table 5. Add some […]

static keyword in Java

1. Purpose of static keyword There is this passage on page P86 of “Java Programming Thoughts”: “A static method is a method without this. Non-static methods cannot be called inside a static method, and the reverse is possible. And the static method can be called only through the class itself without creating any objects. This […]

[Golang]Multiple return value functions, defer keyword, built-in functions, variable parameter functions, class member functions, anonymous functions

Function Article directory function multiple return function Pass by value, pass by reference class member function change external variables variadic function defer and trace illustrate Some common operations accomplish Using `defer` to implement code tracing Record function parameters and return values Common built-in functions Pass function as parameter Closure Example Closure returns function as return […]

[C++]: auto keyword (C++11) + range-based for loop (C++11) + pointer null value nullptr (C++11)

auto keyword (C++11) As the program becomes more and more complex, the types used in the program become more and more complex, often reflected in: Type is difficult to spell Unclear meaning leads to error-prone #include <string> #include <map> int main() {<!– –> std::map<std::string, std::string> m{<!– –> {<!– –> “apple”, “apple” }, {<!– –> “orange”, […]

Master the volatile keyword in Java

Caching What is cache Cache (Cache) is a temporary storage device used to store computer data. It is used to speed up data access and reduce frequent access to main memory (RAM) or disk. Cache improves system performance by storing the most frequently used data closer to the CPU, providing faster data retrieval. Purpose of […]