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Are email addresses case sensitive?

...ddresses case insensitive if you want to (and you probably should). But in order to be RFC compliant, you MUST treat outside addresses as case sensitive. c) Managing business-owned lists of email addresses as an employee: It is possible that the same email recipient is added to a list more than once...
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Cross-thread operation not valid: Control accessed from a thread other than the thread it was create

...lease read the Threading Model in UI applications (old VB link is here) in order to understand basic concepts. The link navigates to page that describes the WPF threading model. However, Windows Forms utilizes the same idea. The UI Thread There is only one thread (UI thread), that is allowed to a...
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Having a private branch of a public repo on GitHub?

... Duplication works fine for me, though I had to do it in the opposite order, first creating a private repo and then duplicating the public repo there from the command line. Thanks! – Joel Jan 26 '13 at 19:48 ...
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what is the unsigned datatype?

... is more than one multiset per item); the type specifiers may occur in any order, possibly intermixed with the other declaration specifiers — void — char — signed char — unsigned char — short, signed short, short int, or signed short int — unsigned short, or unsigned short...
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What is the exact problem with multiple inheritance?

... both A and B, the compiler has to decide whether to layout the data in AB order or in BA order. But now imagine that you're calling methods on a B object. Is it really just a B? Or is it actually a C object being called polymorphically, through its B interface? Depending on the actual identity of ...
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Understanding spring @Configuration class

...SomewhereElse); // We still need to inject beanFromSomewhereElse } } In order to import beanFromSomewhereElse we need to import it's definition. It can be defined in an XML and the we'll use @ImportResource: @ImportResource("another-application-context.xml") @Configuration public class MyApplica...
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What do ellipsis […] mean in a list?

...crete example. Graph reduction is an evaluation strategy sometime used in order to interpret a computer language. This is a common strategy for lazy evaluation, notably of functional languages. The starting point is to build a graph representing the sequence of "steps" the program will take. Depen...
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Tetris-ing an array

...refix that takes two strings as input. Then apply it to the strings in any order to reduce them to their common prefix. Since it is associative and commutative the order doesn't matter for the result. This is the same as for other binary operations like for example addition or greatest common divis...
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String representation of an Enum

...instance = new Dictionary<string,AuthenticationMethod>(); n.b. In order that the initialisation of the the "enum member" fields doesn't throw a NullReferenceException when calling the instance constructor, be sure to put the Dictionary field before the "enum member" fields in your class. Th...
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Sorting an IList in C#

...d an Engine property, I believe you could sort as follows: from c in list orderby c.Engine select c; Edit: You do need to be quick to get answers in here. As I presented a slightly different syntax to the other answers, I will leave my answer - however, the other answers presented are equally val...