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How costly is .NET reflection?
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It is. But that depends on what you're trying to do.
I use reflection to dynamically load assemblies (plugins) and its performance "penalty" is not a problem, since the operation is something I do during startup of the application.
However, if you're reflecting inside a ...
How to remove local (untracked) files from the current Git working tree
How do you delete untracked local files from your current working tree?
38 Answers
38
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Can I call an overloaded constructor from another constructor of the same class in C#?
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No, You can't do that, the only place you can call the constructor from another constructor in C# is immediately after ":" after the constructor.
for example
class foo
{
public foo(){}
public foo(string s ) { }
public foo (str...
How exactly do Django content types work?
... types. It feels very hackish and, ultimately, against how Python tends to do things. That being said, if I'm going to use Django then I have to work within the confines of the framework.
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Why doesn't C++ have a garbage collector?
...garbage collection first of all. My main reason for asking this is that I do know that Bjarne Stroustrup has said that C++ will have a garbage collector at some point in time.
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Catching java.lang.OutOfMemoryError?
Documentation for java.lang.Error says:
14 Answers
14
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What is the Java ?: operator called and what does it do?
... in any context where an invocation of a void method could appear.
So, if doSomething() and doSomethingElse() are void methods, you cannot compress this:
if (someBool)
doSomething();
else
doSomethingElse();
into this:
someBool ? doSomething() : doSomethingElse();
Simple words:
booleanCond...
What is the “main file” property when doing bower init?
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According to the Bower.io documentation
main
Recommended Type: String or Array of String
The primary acting files necessary to use your package. While Bower
does not directly use these files, they are listed with the
commands b...
In Python, how do I iterate over a dictionary in sorted key order?
...'h', 15)
>>> it.next()
('x', 2)
>>>
If you are used to doing for key, value in d.iteritems(): ... instead of iterators, this will still work with the solution above
>>> d = {"x":2, "h":15, "a":2222}
>>> for key, value in sorted(d.iteritems()):
>>> ...
How do you specify command line arguments in Xcode 4?
I just upgraded to Xcode 4 and can't find much documentation on it yet, since it just went gold master. I need to specify a command line argument for testing my application.
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