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Programmatic equivalent of default(Type)
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Why not call the method that returns default(T) with reflection ? You can use GetDefault of any type with:
public object GetDefault(Type t)
{
return this.GetType().GetMethod("GetDefaultGeneric").MakeGenericMethod(t).I...
When to use IComparable Vs. IComparer
...figure out which of these interfaces I need to implement. They both essentially do the same thing. When would I use one over the other?
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Switch Git branch without files checkout
Is it possible in Git to switch to another branch without checking out all files?
11 Answers
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Equivalent of strace -feopen < command > on mac os X
...day, sudo dtruss doesn't work for me. It's as if Python is not executed at all!
– Dima Tisnek
Jul 18 '13 at 14:27
2
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Convert file: Uri to File in Android
...a Images.Media.EXTERNAL_CONTENT_URI (e.g. from Intent.ACTION_PICK for the Gallery) from you will need to look it up as in stackoverflow.com/q/6935497/42619
– Nuthatch
Jan 13 '12 at 4:15
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How do I find the authoritative name-server for a domain name?
...or a given domain name, and this is how you accomplish it using the universally available nslookup command line tool:
command line> nslookup
> set querytype=soa
> stackoverflow.com
Server: 217.30.180.230
Address: 217.30.180.230#53
Non-authoritative answer:
stackoverflow.com...
Maximum filename length in NTFS (Windows XP and Windows Vista)?
... Here is some more facts that confirms this answer (Windows is normally limited to 260 characters): msdn.microsoft.com/en-us/library/… and blogs.msdn.com/b/bclteam/archive/2007/02/13/…
– Michael Olesen
Nov 3 '11 at 12:34
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The calling thread cannot access this object because a different thread owns it
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To add my 2 cents, the exception can occur even if you call your code through System.Windows.Threading.Dispatcher.CurrentDispatcher.Invoke(). The point is that you have to call Invoke() of the Dispatcher of the control that you're trying to access, which in some cases may not be ...
Undefined reference to vtable
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The GCC FAQ has an entry on it:
The solution is to ensure that all virtual methods that are not pure are defined. Note that a destructor must be defined even if it is declared pure-virtual [class.dtor]/7.
Therefore, you need to provide a definition for the virtual destructor:
virtual ~C...
Comparison of DES, Triple DES, AES, blowfish encryption for data
...e realm of "not breakable with today's technology"). But it is slow, especially in software (DES was designed for efficient hardware implementation, but it sucks in software; and 3DES sucks three times as much).
Blowfish is a block cipher proposed by Bruce Schneier, and deployed in some softwares. B...