[ad_1] You could use Any Or Count to check if the list is empty or not, like the following code : if(listchannel == null || !listchannel.Any()) { } //Or if(listchannel == null || listchannel.Count == 0) { } I hope you find this helpful. 4 [ad_2] solved How can i validate if List is empty? … Read more
[ad_1] You must pass a pointer to a variable of the specified type when using scanf. double itemCost; double paidMoney; int changeDue; printf(“How much does the item cost: “); scanf(“%lf”, &itemCost); // ———-^ printf(“How much did the coustomer pay: “); scanf(“%lf”, &paidMoney); // ———-^ Also, you’re neglecting to check the return value of scanf. This … Read more
[ad_1] Short answer I think it would be best to use a Regex. var result = Regex.Replace(str, @”{{(?<Name>[^}]+)}}”, m => { return m.Groups[“Name”].Value; // Date, Time }); On c#-6.0 you can use: string result = $”Time: {DateTime.Now}”; String.Format & IFormattable However, there is a method for that already. Documentation. String.Format(“The current Date is: {0}, the … Read more
[ad_1] You have’t declared variables media, max, min. They either need to be local in main, or global. In general it is a good idea to have them as local in main, including p which you have put as global but then pass as parameter. In your program, media, max, and min are parameters in … Read more
[ad_1] If I were you, I would put the data into C# structure, and serialize it to disk. 200 MB seems like an amount, which would safely fit into RAM. While serializing/deserializing, you can pass it through CryptoStream, and get encryption requirement covered that way. Whole database layer could be so simple, it would fit … Read more
[ad_1] I am silly. I specified the directory inside Program Files I was writing to, but did not include the filename in the path. The UnauthorizedAccessException threw me off. [ad_2] solved How to write to Program Files (x86) in C#?
[ad_1] Your MessageRouter is missing default processing. Add DefWindowProc as shown LRESULT CALLBACK AbstractWindow::MessageRouter ( HWND hwnd, UINT message, WPARAM w_param, LPARAM l_param ) { AbstractWindow* abstract_window = 0; if ( message == WM_NCCREATE ) { abstract_window = ( AbstractWindow* ) ( ( LPCREATESTRUCT ( l_param ) )->lpCreateParams ); SetWindowLong ( hwnd, GWL_USERDATA, long ( … Read more
[ad_1] Timespan is what you need. TimeSpan now = DateTime.Now.TimeOfDay; TimeSpan time2 = new TimeSpan(15, 23, 30); //(15h:23m:00s) TimeSpan dif = time2 – now; 4 [ad_2] solved C# how do i create a DateTime Variable that has the current date, but a different time? [closed]
[ad_1] based on documentation The default behavior in LightInject is to treat all objects as transients unless otherwise specified. So in .Net Core, you would need to register your services as transient. A little bit about lifetimes: Transient Transient lifetime services (AddTransient) are created each time they’re requested from the service container. This lifetime works … Read more
[ad_1] You cannot assign using == operator (unless you use operator overload). Use = operator instead to assign (update values). 3 [ad_2] solved C++ Tic Tac Toe Game cannot change private members
[ad_1] What the page means by Div is integer division. In C, if both operands to the / operator are of an integral type, the result is also of an integral type and any fractional part is truncated. For example, 5 / 2 evaluates to 2. 1 [ad_2] solved What is Div if not division … Read more
[ad_1] result in main and result in decode are two different variables. If you want decode to know about the result from main you should pass it as a parameter: void decode(unsigned char* msg, int result[5]) { // Remove declaration of result // Keep the rest of the code } int main() { /* other … Read more
[ad_1] Use continue; instead. It will jump out of all cases and continue executing code after them, which will make the program return to the first line after while (1). Don’t forget to close each case with a break;. 3 [ad_2] solved How to go back to menu using case in switch case in C
[ad_1] You can use the ALTER TABLE Command: ALTER TABLE item ADD COLUMN picture varbinary 2 [ad_2] solved Add column to database
[ad_1] Creating a shared and static library with the gnu compiler [gcc] : http://www.adp-gmbh.ch/cpp/gcc/create_lib.html [ad_2] solved How create a library? [closed]