[Solved] Generics C# organization of methods that depends on type [closed]

Introduction Solution The reason you’re getting the compiler error is that you’ve pushed the generic constrains to the individual methods rather than putting the restraint on the class. The way you have it, there’s no way to override the intrinsically generic method GetOrderingFunc<T> with a method that returns a Expression<Func<User, string>>. What you’ve posted works … Read more

[Solved] Comment xml elements programmatically

Introduction Solution You can do it easily with XDocument var xDocument = XDocument.Parse(@”<configuration> <property> <name>name</name> <value>dinesh</value> </property> <property> <name>city</name> <value>Delhi</value> </property> </configuration>”); var firstPropertyElement = xDocument .Descendants(“property”) .First();//Find your element var xComment = new XComment(firstPropertyElement.ToString());//Create comment firstPropertyElement.ReplaceWith(xComment);//Replace the element with comment Console.WriteLine(xDocument); Which outputs: <configuration> <!–<property> <name>name</name> <value>dinesh</value> </property>–> <property> <name>city</name> <value>Delhi</value> </property> </configuration>

[Solved] how to fix error: “the prelaunchtask ‘c/c++: gcc build active file’ terminated with exit code -1” [closed]

Introduction Solution Don’t use special shell characters in your file names. & is special, so C&Cpp will bite you, again and again and again and again AND AGAIN AND AGAIN. Special shell characters in filenames are not illegal, and you can use them if you really want to, but… The alternative is to fix all … Read more

[Solved] Pivot element – c++/c

Introduction Solution #include<iostream> using namespace std; void initarray(int a[], int n) { for(int i = 0; i<n; i++) { a[i]=0; } } void acceptarray(int a[], int n) { for(int i = 0; i<n; i++) { cin >> a[i]; } } int pivotelement(int a[], int n) //function has return type int so return the index of … Read more

[Solved] Can’t compare types of variables in C++ [closed]

Introduction C++ is a powerful programming language that allows developers to create complex applications. One of the most important aspects of C++ is its ability to compare different types of variables. However, it is important to note that C++ does not allow for the comparison of different types of variables. This means that if you … Read more

[Solved] How to validate all the numbers including phone and telephone numbers of hongkong with country code using regex? [closed]

Introduction Validating phone and telephone numbers of Hong Kong with a country code using regular expressions (regex) can be a daunting task. However, with the right knowledge and understanding of regex, it can be done quickly and accurately. In this article, we will discuss the basics of regex and how to use it to validate … Read more

[Solved] How do I read a large file of numbers and store its content in an array?

fopen, calloc, and realloc can all fail, returning NULL. In the case of realloc, the original allocation will remain untouched, so immediately overwriting the original pointer with the newly returned value will leak memory and throw away potentially useful data. Reallocating every iteration is rather costly. A better strategy is to reallocate when the buffer … Read more

[Solved] realloc fails when printf is in code / weird chars

Your code exhibits undefined behaviour because you passed a non-static, uninitialised pointer to realloc whose contents were indeterminate. From C11, Memory Management Functions: The realloc function deallocates the old object pointed to by ptr and returns a pointer to a new object that has the size specified by size. ….if ptr does not match a … Read more

[Solved] i have been on this question for quaring the document for two days straight, and it is not working. don’t want to cheat, can you point the problem

When processing regular characters (final else clause) you read additional input instead of operating over text, i.e. instead of: scanf(“%c”, &document[parano][sentno][wordno][charno]); printf(“%c\n”, document[parano][sentno][wordno][charno]); charno++; you want to do: document[parano][sentno][wordno][charno++] = text[i]; By the time we hit text[i] == ‘ ‘ for the first time the value of ***document is “3\n1 2\n2\n” but you wanted it … Read more