[ad_1] You want to overload << operator. For instance: ostream& operator<<(ostream& os, const Date& dt) { os << dt.mo << “https://stackoverflow.com/” << dt.da << “https://stackoverflow.com/” << dt.yr; return os; } If a() isn’t constructor, but only a () operator overloaded which I assumed changes the a field of the class A to the parameter provided … Read more
[ad_1] If the syntax is wrong the compiler will produce an error, so that way you will know anyway. If it is compiling but not working as you expect then it’s going to be a logic error, in which case you can use a debugger to work out why. It doesn’t seem to be a … Read more
[ad_1] A typical linked list structure is made of three parts The Data class Bunny { string name; // don’t use pointers unless you really, really need them int age; bool gender; string color; bool radioactive_bunny; public: string getGender(); // don’t need to know which Bunny anymore because // these functions are bound to a … Read more
[ad_1] var temp = new List<string>(); foreach(var item in remoteFiles){ if(localfiles.Contains(item) == false){ temp.Add(item); } } //temp now contains all items in remoteFiles that are not present in localfiles 1 [ad_2] solved How to compare two lists and get unmatching items – without using LINQ [closed]
[ad_1] You are passing a pointer and a normal int to f, because int *a=new int(4), b(16); works like int *a=new int(4); int b(16); Thus, in f, you have T == int* and U == int, then you add the int to the pointer and return the resulting pointer. As it does not point to … Read more
[ad_1] You can use Directory.GetParent. .. which returns a DirectoryInfo and you can get the Name or FullName var info = Directory.GetParent(@”directory_path”); var name = info.Name; //this will give parentdirectory var fullName = info.FullName; //this will give pages/parentdirectory [ad_2] solved Determining the Parent Folder of a given Path in C#
[ad_1] You’re outputting “hundred” instead of “one hundred”. 6 [ad_2] solved C++ character count (Project Euler 17 wrong answer) [closed]
[ad_1] Firstly define an extension method for StringBuilder: public static class StringBuilderExtensions { public static void AppendPadded(this StringBuilder builder, string value, int length); { builder.Append($”{value}{new string(‘ ‘, length)}”.Substring(0, length)); } public static void AppendPadded(this StringBuilder builder, int value, int length); { builder.Append($”{new string(‘0’, length)}{value}”.Reverse().ToString().Substring(0, length).Reverse().ToString()); } } Then use: StringBuilder builder = new StringBuilder(); builder.AppendPadded(“Hiwor”, … Read more
[ad_1] You can do this simply by cascading the the cin operator. If you write a code in this way: int a,b; cout << “Enter value of a” << endl; cin >> a; cout << “Enter value of b” << endl; cin >> b; then the program execution would be in this way: Enter value … Read more
[ad_1] Give this a shot: (\b999\d), Your matches will be saved to the capture group. If you only want 999x, and not 999xx, this is going to work because of the , at the end. Test it out here -> https://regex101.com/r/yU2oN0/2 [ad_2] solved What would be the regular expression to match the specific pattern string. … Read more
[ad_1] Hmmm Some task… Do one thing create a pointer of that class in your cpp file and assign memory to it using heap allocation. class *myfield = (class*)malloc(no_of_instances*sizeof(class)) Now use that object which is there in your header file assign myfield’s address to that object(hope that is pointer) Now it should work fine.. try … Read more
[ad_1] There are multiple issues with your program. Let me list all of them one by one. As mentioned in one of the comments, You are immediately deallocating memory just after you allocated it. Definitely this will result in a segmentation fault or memory access violation when you access deallocated memory. When you allocate the … Read more
[ad_1] This answer presumes the C implementation uses a 32-bit int and a 64-bit long. C 2018 6.4.4.1 says “The type of an integer constant is the first of the corresponding list in which its value can be represented.” In the table that follows, the entry for decimal constants with no suffix contains the list … Read more
[ad_1] the correct way is: int myreadfile(void) { FILE *fp; int i, n; unsigned char a[50]; if (!(fp=fopen(“x.exe”,”rb”))) return(0); while(n=fread(a,1,sizeof(a), fp)) { for (i=0; i<n; i++) printf(“%02x “,a[i]); printf(“\n”); } fclose(fp); return 1; } Note that the buffer is of type unsigned char. That is because a) you don’t know if the file is a … Read more
[ad_1] You seem to be getting an awful lot of different concepts confused, certainly more than could be sorted out in this form. One way to solve this would be a base class Product from which all your various “product types” derive, solving your first bullet point neatly, as any standard container could hold various … Read more