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What is reflection and why is it useful?
...pection. Reflection is then the
ability to make modifications at runtime by making use of
introspection. The distinction is necessary here as some languages
support introspection, but do not support reflection. One such example
is C++
...
SSO with CAS or OAuth?
...t is about letting the user to control how their resources may be accessed by third-parties. Two very different use-cases.
To the context you described, CAS is probably the right choice.
[updated]
That said, you can implement SSO with OAuth, if you consider the identity of the user as a secured r...
Regular expression to stop at first match
...
You need to make your regular expression non-greedy, because by default, "(.*)" will match all of "file path/level1/level2" xxx some="xxx".
Instead you can make your dot-star non-greedy, which will make it match as few characters as possible:
/location="(.*?)"/
Adding a ? on a quan...
Show space, tab, CRLF characters in editor of Visual Studio
...ng). In Visual Studio 2013, you can also use CTRL+E, S or CTRL+E, CTRL+S.
By default, end of line markers are not visualized. This functionality is provided by the End of the Line extension.
share
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Create array of symbols
...he original answer was written back in September '11, but, starting from Ruby 2.0, there is a shorter way to create an array of symbols! This literal:
%i[address city state postal country]
will do exactly what you want.
s...
What does -XX:MaxPermSize do?
...where the classes, methods, internalized strings, and similar objects used by the VM are stored and never deallocated (hence the name).
This Oracle article succinctly presents the working and parameterization of the HotSpot GC and advises you to augment this space if you load many classes (this is ...
Get TransactionScope to work with async / await
...having the same issue with MVC4 and I updated my project from 4.5 to 4.5.1 by right clicking on project go to properties. Select application tab change target framework to 4.5.1 and use transaction as follow.
using (AccountServiceClient client = new AccountServiceClient())
using (TransactionScope s...
When to use static classes in C# [duplicate]
...tatic methods, static classes are useless when we need to pass them around by their interface. This renders us unable to use static classes as part of a strategy pattern. We might patch some issues up by passing delegates instead of interfaces.
Testing
This basically goes hand in hand with the int...
Why are arrays covariant but generics are invariant?
From Effective Java by Joshua Bloch,
9 Answers
9
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Why is there no tuple comprehension in Python?
...
By this argument, we could say a list-comprehension is unnecessary too: list(i for i in (1,2,3)). I really think it's simply because there isn't a clean syntax for it (or at least nobody has thought of one)
...