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How do you cast a List of supertypes to a List of subtypes?
...er to another. However, you can cast through an intermediate wildcard type and it will be allowed (since you can cast to and from wildcard types, just with an unchecked warning):
List<TestB> variable = (List<TestB>)(List<?>) collectionOfListA;
...
What happened to console.log in IE8?
...available after you have opened the Developer Tools (F12 to toggle it open and closed).
Funny thing is that after you've opened it, you can close it, then still post to it via console.log calls, and those will be seen when you reopen it.
I'm thinking that is a bug of sorts, and may be fixed, but we ...
Image width/height as an attribute or in CSS? [duplicate]
What's the "correct" semantic way to specify image height and width? In CSS...
12 Answers
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How to add NERDTree to your .vimrc
... below into your ~/.vimrc file. It tells Vim that you want to setup a command to run when Vim starts, but since it depends on various plugins to be loaded, you don't want to run it until all initialization is finished:
autocmd VimEnter * NERDTree
If, however, you're annoyed by the fact that the ...
How to get hex color value rather than RGB value?
... is designed to cope with the format given by a browser when using jQuery, and this doesn't have the different white-space or captilisation consistencies you are talking about. You could also use the same regex and just remove all whitespaces and convert to lowercase before matching on rgb. P.S. You...
Best way to test exceptions with Assert to ensure they will be thrown
...that expects the exact exception, does an Assert.Fail if the code succeeds and also catches generic exceptions to make sure that a different exception is not thrown.
First case:
[TestMethod]
[ExpectedException(typeof(ArgumentNullException))]
public void MethodTest()
{
var obj = new ClassRequi...
Using boolean values in C
...e 1
#define false 0
Explanation
Option 1 will work only if you use C99 and it's the "standard way" to do it. Choose this if possible.
Options 2, 3 and 4 will have in practice the same identical behavior. #2 and #3 don't use #defines though, which in my opinion is better.
If you are undecided, ...
C# Lambda expressions: Why should I use them?
...
Lambda expressions are a simpler syntax for anonymous delegates and can be used everywhere an anonymous delegate can be used. However, the opposite is not true; lambda expressions can be converted to expression trees which allows for a lot of the magic like LINQ to SQL.
The following ...
Read password from stdin
...) deals with the situation in which a CLI tool is being fed data via STDIN and yet you want the ability to type the password yourself. Great tool!
– Tiemen
Jul 22 '13 at 21:00
2
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What is the best alternative IDE to Visual Studio [closed]
...I've only ever used Visual Studio for .NET development, I would like to expand my horizons and see what else there is on offer as an alternative to it. So what in your opinion is the best alternative to Visual Studio? Is there a viable alternative?
...