Character string

SDUT Second trial 7-2 Magic mirror and card drawing

7-2 Magic mirror and card drawing Description lately ,billow And his classmates fell in love with a game called Shenyuan , Because they all want t...
2021-12-23 15:21 views 24

First knowledge Mongdb Data query （ three ）

db.getSiblingDB('cqust');var query criteria ={'sno':2019000000};var update criteria ={$set:{'body.weight':100,'name':' Wang Xiaowang '}};db.stude...
2021-04-07 18:24 views 26

C language —— String learning notes (2)

one , Reading and writing of string 1.printf And putsprintf Very familiar , There is also a function that outputs a string puts(), Its usage is a...
2021-03-26 17:59 views 31

Detailed explanation of string operation function and memory function

Realization of string operation function 1.strlen Function function ： Computes the specified string string The length of . application int main(){...
2021-02-16 17:54 views 21

Key and difficult points of playing with pointer (1)

one , Character pointer 1. Two ways of writing character pointer int main(){ char ch = 'a'; char*pc = &ch; char*p = "abcdef"; // Add the first...
2021-02-08 11:15 views 30

（ It's all dry goods , Novice Xiaobai must see ）Python Basic knowledge !!

1.python inside %d Table number ,%s Represents a string ,%% Represents a %;2. Single quotation marks embedded in single quotation marks need escape...
2020-10-15 17:56 views 30

Big data training and sharing for good programmers mysql data type

Big data training and sharing for good programmers mysql data type , Introduction to data types • Data type setting • Column properties • Chara...
2020-09-10 16:01 views 31

Split string （ dynamic programming ）（c++, daily practice ）

The title is as follows ： Given a string s And a set of words dict, judge s Can I split a sequence of words into spaces , Make all words in the wo...
2020-08-27 15:43 views 46

Tangyuan(glutinous rice ball) の soup

Think: character string Judge the question , utilize ABC Of ascii Code difference processing ～～～Problem Description It's the annual Tangyuan Fe...
2020-08-07 07:01 views 45

String class —— summary ,String The nature of , Memory resolution , Commonly used API

one , summary String: character string , Use a pair of "" Cause to express .String Declare as final Of , Not inheritable String Realized Serializa...
2020-06-04 12:27 views 37
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