[Solved] How to set a pixel in C++? [closed]

[ad_1] You can turn on a given pixel, but this requires platform specific code and may not portable when the OS or platform changes. My understanding is you want direct access to the screen buffer with nothing between stopping you. Here’s the way to go. Common Research On your platform, find out the graphics controller, … Read more

[Solved] C++ STL list’s Push_back takes argument pass by value?

[ad_1] Function signature is void push_back (const value_type& val); and the value passed is copied in your list. So you can consider this a “pass-by-value” (in a operational way). In C++11 you have also void push_back (value_type&& val); that is a possibilities of move your value into your list. [ad_2] solved C++ STL list’s Push_back … Read more

[Solved] C# System.Double& to System.Double

[ad_1] The ampersand & probably comes from the CLR name of the type. It indicates that it is a ByRef version of the type. Did you get the Type with reflection from a method parameter decorated with the ref or out keyword? Example: var t1 = typeof(double); Console.WriteLine(t1); // “System.Double” var t2 = t1.MakeByRefType(); Console.WriteLine(t2); … Read more

[Solved] C++ program flags [closed]

[ad_1] int main(int argc, const char* argv[]) { for(int i = 0; i < argc; ++i) { // argv[i] contains your argument(s) } } Some more details: Accepting arguments passed to your program can be done by adding two arguments to main: One int, which is assigned the number of arguments you give to your … Read more

[Solved] Parsing all the doubles from a string C# [closed]

[ad_1] If your data actually looks like this: var data = new { Desc = “Marketcap”, Val = @”1,270.10 BTC 706,709.04 USD 508,040.00 EUR 4,381,184.55 CNY 425,238.14 GBP 627,638.19 CHF 785,601.09 CAD 72,442,058.40 JPY 787,357.97 AUD 7,732,676.06 ZAR”, }; (Because what you have in your question is unclear.) Then you could do this: var query … Read more

[Solved] Why doesn’t control enter the repeat() function? [closed]

[ad_1] // Thanks for the help #include <stdio.h> int repeat(int num) { scanf(“%d”,&num) ; if(num!=42) { printf(“%d”,num) ; repeat(num) ; } else { return num ; } getch() ; } int main() { int num ; scanf(“%d”,&num) ; repeat(num) ; return 0; } [ad_2] solved Why doesn’t control enter the repeat() function? [closed]

[Solved] What are the differences between: main(){}, int main(){} and int main(void){} [duplicate]

[ad_1] Your first example uses a feature inherited from the outdated dialect of C which predated the first ANSI(1989) and ISO(1990) standard: namely, that you can write a function which doesn’t specify its return type, and in that case the type defaults to int. In early C, the void keyword and associated type did not exist. … Read more

[Solved] Program stopped working, when tried to run

[ad_1] You have your main problem here. double *tabT1; double *tabT2; tabT1[0]=1; tabT1[1]=tabX[j]*(-1); tabT2[0]=1; tabT2[1]=tabX[i]*(-1); You haven’t allocated the memory, instead, you have just declared the double ptrs tabT1 and tabT2 and accessing them by pretending you have allocated. double *tabT1 = new double[2]; double *tabT2 = new double[2]; will fix this, however, I strongly … Read more

[Solved] How would I go about Game Networking with C#? [closed]

[ad_1] If you have average skill using an SDK should be helpful for you. Start out with something like XNA Game Studio to see how those concepts are done. This document is the starting point for the SDK https://msdn.microsoft.com/en-us/library/bb200104.aspx and the “Network” concepts you are specially looking for are discussed here: https://msdn.microsoft.com/en-us/library/bb975947.aspx As for the … Read more

[Solved] Why should I use pointers? C++

[ad_1] A pointer is an address of a variable. Imagine ram as consecutive boxes. Each box has an address. Now in your example. int a = 8; //declares a variable of type int and initializes it with value 8 int *p1; //p1 is a pointer meaning that the variable p1 holds an address instead of … Read more