[Solved] C# Use ‘this’ Keyword in a class [closed]

[ad_1] I am not sure, you can try passing the form reference into the method(if that is what you mean). class MyMenu { public static void AddLine(Form f) { ShapeContainer canvas = new ShapeContainer(); LineShape theLine = new LineShape(); canvas.Parent = f; theLine.Parent = canvas; theLine.BorderColor = SystemColors.ControlDarkDark; theLine.StartPoint = new System.Drawing.Point(-3, 154); theLine.EndPoint = … Read more

[Solved] How can i free memory in C++/C? When would i write free(a);? Function is returing pointer

[ad_1] A function that returns an allocated pointer means that ownership of that memory is being transferred to the caller of that function. It is up to the code that receives the returned pointer to deallocate the memory. While using malloc() and free() in C++ is not entirely without precedent, it should generally be avoided. … Read more

[Solved] I want to read from and write to a file in C#

[ad_1] You can use File.AppendAllText() as an exact drop-in (but you’ll need to append Environment.NewLine to your text). Make sure that you delete the file if it exists before your foreach loop, possibly prompting the user for confirmation depending on your requirements. [ad_2] solved I want to read from and write to a file in … Read more

[Solved] Cannot understand some c++

[ad_1] This: >>= is the shift right assignment operator which performs the shift right operation on b and reassigns it to b. >>= 1 basically divides b by 2. It shifts all the bits 1 to the right. eg if b in binary is 00000010 (2 in decimal), b >>= 1 would make b = … Read more

[Solved] How to represent unsigned char values as hexadecimal string?

[ad_1] I want to get a return values 3374747372 as char or string. Casting doesn’t work in this case. You can use text formatting IO to get a hex string representation of the arrays content: unsigned char codeslink[5] ={ 0x33, 0x74, 0x74, 0x73, 0x72}; std::ostringstream oss; oss << std::hex << std::setfill(‘0’); for(size_t i = 0; … Read more

[Solved] Encoding.GetEncoding(“Cyrillic”) making all text question marks in .NET

[ad_1] The text was in some sort of Unicode encoding and why it was acting differently then before with ASCII encoded text. So I did this below before the GetEncoding and it works now. if(!txt.IsNormalized(NormalizationForm.FormKD)) { txt= txt.Normalize(NormalizationForm.FormKD); } [ad_2] solved Encoding.GetEncoding(“Cyrillic”) making all text question marks in .NET

[Solved] Unable to Load Assembly in Worker Service (.Net Core3.1 and NLog 4.9.2)

[ad_1] You have to install NLog also by using the Nuget Package Manager or running the below command in the package manager console. Install-Package NLog -Version 4.7.2 Reference: https://github.com/NLog/NLog/wiki/Getting-started-with-ASP.NET-Core-3#1-add-dependency-in-csproj-manually-or-using-nuget 4 [ad_2] solved Unable to Load Assembly in Worker Service (.Net Core3.1 and NLog 4.9.2)

[Solved] Reducing Run Time C or C++ [closed]

[ad_1] First profile. Second, turn up optimizations levels on you compiler. Thirdly, replace your for loop with multiplication / algebra. For example, the linea+=N is the fundamental basis for multiplication (repetitive addition), and the loop can be replaced by:a += j * N; N -= j; Replacing the loop will speed up your program (if … Read more

[Solved] How to pass a C# variable with apostrophe through MySql

[ad_1] The quick and dirty fix is to use something like: level = level.Replace(“‘”,”whatever”); but there are still problems with that. It won’t catch other bad characters and it probably won’t even work for edge cases on the apostrophe. The best solution is to not construct queries that way. Instead, learn how to use parameterised … Read more

[Solved] Select three choices (multiple choices) in C [closed]

[ad_1] if(choice==1,3,9 && choice2==1,3,9 && choice3==1,3,9){ if( (choice== 1 || 3 || 10) && (choice2== 1 || 3 || 10) && (choice3== 1 || 3 || 10)) //always TRUE if(choice==1,3,11 && choice2==1,3,11 && choice3==1,3,11){ Do you consider these conditions as valid syntax to behave as your needs ? Correct would be if((choice==1 ||choice==3 ||choice==9) && … Read more

[Solved] how returning reference work here [duplicate]

[ad_1] I can’t tell you why code is organized as it is, but having static there makes it survive function exit. If static would not be used, then it would be allocated on stack and rewritten later. [ad_2] solved how returning reference work here [duplicate]