Do collections that prevent inserting the dupl开发者_如何学Goicate elements work slower(than the non-checking ones), as I guess they implement some kind of check on each element within against duplica
Hello I am having syntax issues here completely confused on how to properly do this. My Custom List Source: (with errors) on GetEnmerator() and lots of Warnings
Simply put, Microsoft defined a ReadOnlyCollectionBase, yet did not use it as the base class for ReadOnlyCollection<T> when it clearly sounds that this should have been the way.
I have a list of objects like this: ArrayList<Ph开发者_如何学Goone> list = new ArrayList();
The following code gives me the output in the same order of insertion. I read the javadoc and they did not even talk about the insertion order. Can someone help me to get the right information.
I have a class that gives the exception below when saving. This is puzzling because I can retrieve the data fine. The error still occurs even if I perform a merge / update on an entity I have retrieve
Sample Code: this.books = this.getBooksFromDatabase(); this.publishedBooks = this.books.filter(function(book) {
Imagine a database structure where you have a Class and Student, and Student has one class, and vice-versa, a class has many students.
I have a radchart that is supposed to display two lines with separate Y values, but when it loads it displays two lines, but they both have Y values that they are supposed to display and the Y values
I want to do some performance measuring of a particular method, but I\'d like to average the time it takes to complete. (This is a C# Winforms application, but this question could well apply to other