learn CPP, the code is an exercise of string substitution, in which the expression p = strstr (pdjm)! = NULL in the while loop will report an error at this point. if you change this sentence to ((p = strstr)! = NULL), there will be no problem if you e...
The code is as follows: 1 -sharpinclude <stdio.h> 2 3 void main(void) { 4 5 int ten = 10; 6 int two = 2; 7 printf("%d minus %d is %d n",ten,2,ten-two); A 8 printf("%d minus %d is %d n",te...
I haven t taught myself programming for long, and the problems I encounter are relatively primary. I hope all of you who pass by will give me a lot of advice, don t spray ha if you don t like it. The code is as follows: ** -sharpinclude <std...
topic description in fact, there is no need to look at the title. Search UVa227 and you can see the title . sources of topics and their own ideas Puzzle, ACM ICPC World Finals 1993, UVa227 related codes Please paste the code text below (do ...
environment: codeblock compilation environment: mingw32-gcc.exe-pedantic-Wextra-Wall-std=c99-c path Code: -sharpinclude <stdio.h> int main(){ FILE *fin, *fout; fin = fopen("data.in","rb"); fout = fopen("dat...
We currently have a user management system in which users passwords are stored in the database through BCryptPasswordEncoder. Now that I want to switch to openldap, how can I modify openldap to verify passwords in the same way as BCryptPasswordEncoder...
I would like to ask why memory ic10 address pins can specify 1024 different addresses. People on the Internet say that the tenth power of 2 equals 1024. the question I want to ask is, isn t there only 10 physical address pins? How to store so many 1024...
problem description A few questions arise in the book C Primer Plus. The original text is roughly as follows: Bytes are commonly used in computers. For all machines, 1 byte is 8 bits, which is the standard definition of bytes, at least in terms of me...
topic description c cC217 vs2017: -sharpinclude int main(){ } 51912154201015 expect the boss to give a reasonable explanation. Whether is a problem with my compiler or not. ...
enter a decimal number (an and b represent 10 and 11) and output as required (1) the first line outputs the number under the decimal system of each bit (2) the second line outputs the decimal number of this decimal number (3) the third line output...
RT, what are the main differences between the two. ...
local f_1 = 1; local f_2 = 1; local sum = f_1 + f_2; for i = 1, 10 do print(sum) f_1 = f_2; f_2 = sum; sum = f_1 + f_2; end...
~ Desktop ip Python 3.6.7rc2 (v3.6.7rc2:4893861ab5, Oct 13 2018, 17:34:23) [MSC v.1900 64 bit (AMD64)] Type copyright , credits or license for more information IPython 7.2.0 -- An enhanced Interactive Python. Type ? for help. In [1]: ...
to implement a method of volume balancing, enter an address of mp3, complete such a method in a functional language, and then call it with node. What language has a response method? ...
signed char a=41; signed char b=041; print("%d, %d n",a,b); found that the value of an is 41 and the value of b is 33. char uses 8 bit, but the results of these two assignments are not the same? ...
problem description I use the CLion tool to view the disassembly code of C language, as shown in figure int a = 100;4 :Mac OS:CLionmainmovl $0x0 -0x4(%rbp) movl $0x0 -0x4(%rbp)return 0;return 0;return 1; ...
problem description Is FILE in C a keyword? I feel like a structure, but I m curious. If it s a structure, why not write it as struct FILE? Wouldn t it be wrong to write FILE directly? ...
writes a simple client and server test function. After calling accpet, server will write the listening socket, and a SIGPIPE will be generated on the server side. excuse me, why is this? ...
Let yourself design a string-like type that requires a constructor that accepts parameters of type char* exercises in cPP primer 5th vector[char]allocator related codes class MyString { MyString(); MyString(char*); allocator<char> al...
There is an one-to-one relationship between the data elements in the linear structure, but there are two pointers stored in the nodes of the two-way linked list, pointing to the address of the previous node and the address of the latter node, respective...
Raid Card tool megacli get disk enclosure id is NCMA , does anyone know what will cause this problem? ...
as shown in the picture, after clicking the button, you append a new button in document.body. How did the new button be updated to the page? will the original button be rendered again? ...
for example: Integer = > int Boolean = > boolean . ...
original image size: 750x1334 canvas size: 750X1334 I m going to lay a 750x1334 picture as the background on the canvas of 750x1334. the code is as follows: var image = new Image() image.src = img background.png image.onload = drawImg ...
use pymysql to connect to mysql database and extract data. If the amount of data is more than 500000 +, the speed is relatively slow. I d like to ask about the ways to speed up in addition to optimizing sql statements. here I use pd.read_sql, directly...