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c# Programming Glossary: bananaC# : Is Variance (Covariance / Contravariance) another word for Polymorphism? http://stackoverflow.com/questions/1078423/c-sharp-is-variance-covariance-contravariance-another-word-for-polymorphis with normal polymorphism you can treat any reference to a Banana as a reference to a Fruit but that doesn't mean you can substitute.. mean you can substitute Fruit every time you see the type Banana . For example a List Banana can't be treated as a List Fruit.. every time you see the type Banana . For example a List Banana can't be treated as a List Fruit because list.Add new Apple..
Difference between Covariance & Contra-variance http://stackoverflow.com/questions/2184551/difference-between-covariance-contra-variance the following two sets of types Animal Tiger Fruit Banana . And this clearly related set IEnumerable Animal IEnumerable.. Animal IEnumerable Tiger IEnumerable Fruit IEnumerable Banana There is a mapping from the first set to the second set. That.. form X Y . So Tiger Tiger Tiger Animal Animal Animal Banana Banana Banana Fruit Fruit Fruit In C# 4 there is an assignment..
How is Generic Covariance & Contra-variance Implemented in C# 4.0? http://stackoverflow.com/questions/245607/how-is-generic-covariance-contra-variance-implemented-in-c-sharp-4-0 So the examples I give in the book of trying to use a List Banana as a List Fruit or whatever it was still won't work but a few..
still confused about covariance and contravariance & in/out http://stackoverflow.com/questions/3445631/still-confused-about-covariance-and-contravariance-in-out from the explanation above... and here For example a List Banana can't be treated as a List Fruit because list.Add new Apple.. list.Add new Apple is valid for List but not for List Banana . so shouldn't it be if i were to use in am going to write to..
http://stackoverflow.com/questions/4034495/question-about-c-sharp-covariance Apple IList Fruit fruitBasket apples fruitBasket.Add new Banana Aargh Added a Banana to a bunch of Apples Apple apple apples.. apples fruitBasket.Add new Banana Aargh Added a Banana to a bunch of Apples Apple apple apples 0 This should be okay..
Comma or semicolon-delimited AutoComplete TextBox http://stackoverflow.com/questions/2290865/comma-or-semicolon-delimited-autocomplete-textbox with textBox.AutoCompleteCustomSource.AddRange new apple banana carrot textBox.AutoCompleteMode AutoCompleteMode.SuggestAppend.. with the cursor after the comma Type ba Have it suggest banana Press the comma Have it append banana resulting in apple banana.. ba Have it suggest banana Press the comma Have it append banana resulting in apple banana I've tried Googling for a solution..
How do i implement tag searching? with lucene? http://stackoverflow.com/questions/2438000/how-do-i-implement-tag-searching-with-lucene items tagged like this apples carrots apples carrots apple banana if a user search apples i dont care if there is any preference.. me 3. I am not sure what should happen if i search carrots banana but anyways as long as more items tagged with 2 and 3 results..
The order of elements in Dictionary http://stackoverflow.com/questions/4007782/the-order-of-elements-in-dictionary 4 _Dictionary.Add cucumber 6 add values using _Dictionary banana 7 _Dictionary pineapple 7 Now lets see how elements are returned..
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