JavaScript native functions Array.prototype.reduce Practical usage and detailed explanation of essence

Reduce function is one of the array functions in JavaScript, which has powerful functions. But most of the blog's explanations of reduce function are comparison and basis. Basic usage of reduce Let's first look at the basic usage of reduce. Because the basic usage of reduce is explained in detail in MDN, we suggest you go to MDN directly JavaSc ...

Posted by elToro on Sun, 21 Jun 2020 09:31:42 +0200

Difference between locking and fence and applicable scenarios

Opening I believe that little partners know more or less about these two words. They are common thread communication tools in concurrent programming. The two are very similar, but they are different, which leads to a lot of confusion among many small partners, including me: what is the difference between them, and what scenarios are they applic ...

Posted by rsanc on Tue, 16 Jun 2020 04:34:12 +0200

c + + "management system design of hair salon"

Design of hairdressing shop management system 1. Problem description Define the customer category. The attributes include: membership card number, name, gender, phone number and other information, as well as related behaviors of operating attributes. Define employee category: attributes include: numb ...

Posted by thiscatis on Sun, 14 Jun 2020 05:22:27 +0200

Deep analysis of Hikic.js lazy loading

This article focuses on the lazy loading method in Hikic.js and how to implement it First, we create a new html file and write the basic structure: <!DOCTYPE> <html> <head> <title>about Hikic.js Depth analysis of lazy loading</title> <meta charset="UTF-8"> </head> <body& ...

Posted by Lustre on Sun, 05 Apr 2020 01:37:58 +0200

Five python games making cases

Game making list based on python 1, Sequence application - word guessing game 1. Import relevant modules in the word guessing game program. 2. Create all word sequence tuples to be guessed WORDS. 3. Display the game welcome interface. 4. Realize the logic of the game. First, randomly pick out a word from the sequence, such as "easy"; ...

Posted by samsolomonraj on Mon, 09 Mar 2020 09:28:29 +0100

CSS selector

CSS selector There are many CSS selectors. Summarize several common selectors. If you want to know more about selectors, please Click on me to view Or if English is good Click on me to view It's ok~ Wildcard selector element selector ID Selector Class selector Union selector (selector group) Inter ...

Posted by cpace1983 on Mon, 09 Mar 2020 08:04:08 +0100

python games development

1 word guessing game The game introduce: guess the word game is to calculate the soap machine to produce a word randomly, disorder the alphabet order, for the player to guess. This game uses the control character interface. In the game, tuples in the sequence can be used to store all the words to be guessed. Because the game of guessing words ...

Posted by minorgod on Sun, 08 Mar 2020 12:29:59 +0100

STL learning road

Article directory STL basic concepts Introduction to STL components STL advantages Three components of STL iterator Preliminary understanding of three components Basic use of three components Common containers string container STL basic concepts In order to establish a set of standards for data ...

Posted by imtaqi on Thu, 06 Feb 2020 14:18:03 +0100

Learning journal day two

Actual combat of Suqian project Learning log name: Huang Zhiheng date: September 4, 2018 Today's learning tasks In stack out stack empty stack Task completion today (specify whether the task of this day is completed as planned and the amount of code developed) P1 #include<stdio.h> #include<string.h> #define ...

Posted by Stevan on Tue, 07 Jan 2020 02:30:18 +0100

Java self study note Day22

Day22 (other IO streams) Sequence stream Sequence flow overview (understanding) A:What is sequence flow *Sequence stream can integrate multiple byte input streams into one,Reading data from the sequence stream is,Will start with the first flow of the entire sum,Read one and go on to the next B:Usage mode: *Integrate two: ...

Posted by levi_501_dehaan on Thu, 28 Nov 2019 22:35:04 +0100