Write a function
subject Please write a function that extracts a string from a string. The prototype of the function is as follows: int substr(char dst,char src,int start,int len); The task of the function is to copy a maximum of len non NUL characters to the dst array by offsetting the start position o ...
Posted on Tue, 09 Nov 2021 04:23:43 -0500 by mimintweak
Design pattern elaboration
1, Course guidance and introduction
1.1 navigation in this chapter
This chapter will explain UML through the following six aspects: definition, characteristics, classification, class diagram, sequence diagram and memory skillsURL definition:
Unified Modeling Language (UML)Non patent third generation modeling and ...
Posted on Fri, 05 Nov 2021 16:50:43 -0400 by garethdown
Index can be said to be a necessary skill point for every engineer. Understanding the principle of index is very important for writing high-quality SQL. Today we will understand the principle of index from 0 to 1. I believe you will have a deeper understanding not only of index, but also of the "page" of the smallest sto ...
Some manifestations of intractable faults in the field of enterprise management software
1. Complex processes are required to reproduce
2. Faults span multiple modules of enterprise management software
3. The fault can only reappear in the customer's production system
4. The fault can only reappear in the background operation mod ...
Posted on Sat, 23 Oct 2021 18:05:27 -0400 by rainerpl
2. Access qualifiers and encapsulation of classes
3. Scope of Classes
Fourth, instantiation of classes
Five, class object size
Six, this pointer
C focuses on the process, analyses the steps to solve the problem, and gradually solves the problem through function calls.
C++ focuses on objects, splittin ...
Posted on Fri, 22 Oct 2021 12:42:11 -0400 by superpimp
When chatting with a young man a few days ago, he found a problem. He learned Python from scratch. After learning the basics of lists, dictionaries and functions, he began to learn advanced in the direction of crawlers. As a result, it took more than a month to learn nothing, but he couldn't do anything.
In fact, the main reason for this pro ...
Posted on Sun, 17 Oct 2021 22:12:32 -0400 by Penelope
1184: explicit random number
Time limit: 1000 ms Memory limit: 65536 KB Number of submissions: 19979 Number of passes: 12535
Mingming wants to invite some students to do a questionnaire survey in the school. For the objectivity of the experiment, he first uses ...
Posted on Sun, 17 Oct 2021 20:10:02 -0400 by siesmith
[title] Given two possibly looped and possibly acyclic single linked lists, head nodes head1 and head2, please implement a function, If the two linked lists intersect, the first node of the intersection is returned. If they do not intersect, null is returned [requirements] If the total length of the two linked lists is N, the time complexity is ...
Posted on Thu, 14 Oct 2021 22:34:00 -0400 by Weirdan
Article Records: Geek Navigation
This project is an embedded project in the Geek Navigation Tutorial, a remote control system for smart cars Code is open source (end of article).
The design system mainly includes (as shown in the diagram)
Car owners (51 and STM32)Hardware remote control (master STM32)Mobile phone remote control software (And ...
Posted on Tue, 12 Oct 2021 12:19:51 -0400 by danesc