there is a row of trees on the L-length road outside the gate of a school, and the distance between each two adjacent trees is 1 meter. We can think of the road as a number axis. One end of the road is in the position of 0, and the other end is in the p...
problem description I finished a project on git and compiled it according to cmake-DSKIA_DIR=C:depsskia-G Ninja. ninja aseprite but I changed cmake-G "Visual Studio 14 ".. some parameters I omitted to generate SLN after I opened VS2015 to genera...
Xcode and vscode have been installed on the computer vscode has also installed the following plug-ins ] : < hr > tasks.json { "version": "2.0.0", "tasks": [ { "label": "build hello ...
for function overloading, it is generally determined according to the function formal parameter list, so it should be the same for function templates, but for the following code when calling function compare ( "ab ", "ab ") reports an error, it is rig...
I am using cPP primer to learn the class. When I use vs code to do exercises after the book, I encounter a mistake and don t know how to solve it. this is the related code, and the title requires "add the correct constructor to the Person class " -...
if you are assigning a value to a character variable in a loop, you can do this: -sharpinclude <iostream> int main() { using namespace std; char ch; cout << "Type, and I shall repeat. n"; cin.get(ch); while(ch...
curl has made the following settings (this is the solution found, but it doesn t work for me): curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, false); curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, false); curl_easy_setopt(curl, CURLOPT_SSL_VERIFYSTATU...
it is mentioned on page 580 of the fifth edition of cPP primer that an argument bound to an untyped integer parameter must be a parameter expression. Arguments bound to pointers or references to untyped parameters must have a static lifetime. the conten...
CPP says compile time determination and run time determination how should I understand, static and dynamic types inherited by are easy to understand, static type compilation time is determined, and dynamic type runtime is determined. when it comes to ...
I use node_gyp to compile the code developed by CPP calling the gdal library into a module of node and then call its function in node, but when I run the Times error "cannot find the specified module " I don t know what went wrong related codes ...
how did you get this value? Is there any mathematical basis? ...
I compiled a piece of CPP code to generate a file that (getpsdata), can run alone (. getpsdata). Now I want to run this file in node to get the relevant output data and results in the code. I use the following code: var spawn = require ( child_proce...
for example, program: < H1 > include < stdio.h > < H1 > < H1 > include < unistd.h > < H1 > int main () { int cntr = 0; while (1) { sleep (1); cntrPP; printf ( "cntr =% dn ", cntr); } After } is compiled into a getpsdata file, then passes thr...
I tried to set the loglevel in the configuration file to trace, but it didn t work ...
error "Error in `. test : double free or corruption (out): 0x00000000011c6f30 " occurred in free (Hk). I can t see what went wrong. Code: void linalg::sp_Davidson(const char uplo, const SparseMatrix_COO& a, double* diagValsA, double* eigVecs...
http: httpbin.org get?user=r. < H1 > is not an official website, but the URL format is like this < H1 > password is correct return text 10000 password error return text 20000 ! ! [- sharp presentation data us] [1] er.txt root admin passwor...
there is a question. Can, node js call cPP files compiled with gcc? are there any ideas or reference examples? Thank you! ...
client and server communication, client network outage, power outage, why the server can not independently detect client disconnection (without heartbeat mechanism). ...
I know that there is an InvalidateRect setting area in onpaint, but if you can only draw on CClientDC directly when clicking on the function, how to set the drawing update area ...
requirements: it s simple to practice using pthread to implement the producer-consumer model create a data_queue.c, for caching data main thread for creating producer and consumer threads question Click the Start button for the first ti...
vueimport * as d3 from d3 var linear=d3.scale.linear() .domain([0,d3.max(dataset)]) .range([0,250]); : Cannot read property linear of undefined",...
now I have an array, which contains about 100000 of the data, all personId,. I now need to use this ID to query other data in another table. Is there any good way to make the query more efficient? Whether IN can be used or not, although it is easy to wri...
when using vim, when you often want code completion and function hints, the pattern is not found. That is, even if the package is imported, the functions that use the package are not mentioned, but sometimes there are, so I was thinking: is the plug-i...
when doing happymmall online lessons, you need to request some data in happymmall.com. There is no problem in finding a charles proxy for the video. charlesdevserver OK ask the boss to help me locate the problem, which is very disturbing ...
will there be any problems with WeChat Mini Programs using promise, on the real machine now? Android, in particular, uses a lot of promise encapsulation because it uses Mini Program for the first time, and some of them will have problems on the real mach...