Programmer Think

1, Bubble sorting Algorithm idea: When sorting the i (i = 1, 2,...) pass, start from the first element of the first n - i + 1 element in the sequence, and compare the two adjacent elements. If the former is greater than the latter, the two exchange positions, otherwise they will not exchange. Bubble sorting method is to make the element ...

First of all, what we're talking about here are ordinary data structures. I'm not engaged in algorithm competition. Noriko was born. I can only solve conventional problems. In addition, the following is a summary of my personal experience. No algorithm book will write these things, so please try to understand my perspective and don't dwell on d ...

Day 26 of learning big data - Supplementary IO stream and multithreading (1) Summary of multithreading: 1, Overview of multithreading: Process: The running program is an independent unit of the system for resource allocation. Each process has its own memory space and resources Thread: It is a single sequential control flow of a process, ...

1, toString method in Object class: java.lang.Object class is the root class in the Java language, that is, the parent class of all classes. All method subclasses described in it can be used. When an Object is instantiated, the final parent class is Object. To create a Person class: public class Person { private String name; private ...

link ofstream is from memory to hard disk, and ifstream is from hard disk to memory. In fact, the so-called stream buffer is memory space In C + +, there is a stream class. All I/O is based on this "stream" class, including the file I/O we need to know 1. Inserter (< <) Output data to the stream. For example, the system has a d ...

String: a global object is a constructor for a string or a sequence of characters. The following lists several properties and methods commonly used by String objects. Properties: The length property indicates the length of a string. let string="hello" document.write(string.length)//Return to 5 method: The charAt() method returns the spec ...

The art and Tao of Python Programming: an introduction to Python language Link to the video course "the art and Tao of Python Programming: an introduction to Python language": https://edu.csdn.net/course/detail/27845 Polymorphism The word polymorphism means having many forms. In programming, polymorphism means that the same function ...

Source code (code cloud): https://gitee.com/yin_zhipeng/implement-_springmvc_of_myself.git 1, Handwritten spring MVC For length reasons, I put it in this article https://blog.csdn.net/grd_java/article/details/123000127 2, Spring MVC advanced application Spring MVC Encapsulate the servlet and simplify the framework of servlet developmen ...

preface In the previous article The 90.6.0 version of vs2010+cef3 embeds cef3 into the mfc window , part of the windows of mfc are embedded into cef3; The following continuous test is based on the cef3 test under soui2. However, one of the pits learned after two days of testing that the version of cef3 used is too new (the latest at present), ...

If you are Xiaobai, this set of information can help you become a big bull. If you have rich development experience, this set of information can help you break through the bottleneck 2022web full set of video tutorial front-end architecture H5 vue node applet Video + data + code + interview questions. Course address: Vue3 0 project actual ...