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c# Programming Glossary: conversions

Why covariance and contravariance do not support value type

http://stackoverflow.com/questions/12454794/why-covariance-and-contravariance-do-not-support-value-type

In particular This is why covariant and contravariant conversions of interface and delegate types require that all varying type.. conversion is always identity preserving all of the conversions involving type arguments must also be identity preserving. The.. The easiest way to ensure that all the non trivial conversions on type arguments are identity preserving is to restrict them..

Direct casting vs 'as' operator?

http://stackoverflow.com/questions/132445/direct-casting-vs-as-operator

returns to s no matter what type o is. Use 1 for most conversions it's simple and straightforward. I tend to almost never use..

Performance surprise with “as” and nullable types

http://stackoverflow.com/questions/1583050/performance-surprise-with-as-and-nullable-types

the JIT compiler to generate very efficient code no value conversions have to be considered. The is operator test is easy just check..

Compiler Ambiguous invocation error - anonymous method and method group with Func<> or Action

http://stackoverflow.com/questions/2057146/compiler-ambiguous-invocation-error-anonymous-method-and-method-group-with-fun

This line is fascinating. It means that there are implicit conversions which exist but which are subject to being turned into errors.. do we describe betterness between these two possible conversions . Now one could certainly argue that a valid conversion is better.. lambdas we do consider the return type in these sorts of conversions in section 7.4.3.3 E is an anonymous function T1 and T2 are..

Hash and salt passwords in C#

http://stackoverflow.com/questions/2138429/hash-and-salt-passwords-in-c-sharp

Actually this is kind of strange with the string conversions which the membership provider does to put them into config files...

C# little endian or big endian?

http://stackoverflow.com/questions/217980/c-sharp-little-endian-or-big-endian

Convert RGB color to CMYK?

http://stackoverflow.com/questions/2426432/convert-rgb-color-to-cmyk

APIs or something like LittleCMS to do the color conversions for you as they apply the proper color profile during the conversion..

Add spaces before Capital Letters

http://stackoverflow.com/questions/272633/add-spaces-before-capital-letters

repeated 100 times i.e. 1 000 bytes a run of 100 000 conversions takes the hand coded function 4 517 177 ticks and the Regex..

How can I stream webcam video with C#?

http://stackoverflow.com/questions/342774/how-can-i-stream-webcam-video-with-c

streaming you can also do recording audio and video format conversions audio and video live filters and a whole lot of stuff. Microsoft..

Units of measure in C# - almost

http://stackoverflow.com/questions/348853/units-of-measure-in-c-sharp-almost

Compiler says no The next step is trying to implement conversions snippet public interface IUnit double toBase get public static..

What is the difference between the following casts in c#?

http://stackoverflow.com/questions/702234/what-is-the-difference-between-the-following-casts-in-c

type. The cast operator can also perform user defined conversions. EDIT I've written elsewhere about when I feel it's appropriate..

Data binding dynamic data

http://stackoverflow.com/questions/882214/data-binding-dynamic-data

via descriptor no validation IDataErrorInfo no conversions TypeConverter no additional list support IBindingList IBindingListView..

Seeking clarification on apparent contradictions regarding weakly typed languages

http://stackoverflow.com/questions/9929585/seeking-clarification-on-apparent-contradictions-regarding-weakly-typed-language

to believe that if a language provides a lot of automatic conversions or coercion between types as perl may end up being considered.. typed whereas other languages that provide only a few conversions may end up being considered strongly typed. I am inclined to..