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How to determine if a type implements an interface with C# reflection
Does reflection in C# offer a way to determine if some given System.Type type models some interface?
15 Answers
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Check that an email address is valid on iOS [duplicate]
...s you to compile and test against a regular expression directly.
iOS 3.x
Does not include the NSRegularExpression class, but does include NSPredicate, which can match against regular expressions.
NSString *emailRegex = ...;
NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES ...
Contains method for a slice
...ruct{} for example. Using an empty struct{} here has the advantage that it doesn't require any additional space and Go's internal map type is optimized for that kind of values. Therefore, map[string] struct{} is a popular choice for sets in the Go world.
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Which is the fastest algorithm to find prime numbers?
...tions compared to SoA: For the 32-bit number range (2^32 - 1), primesieve does about 1.2 billion culls whereas SoA does a total of about 1.4 billion combined toggle and square free operations, both operations being of about the same complexity and able to be optimized in about the same way.
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Remove Elements from a HashSet while Iterating [duplicate]
...is supported in this case.
The new for loop is nice, but unfortunately it does not work in this case, because you can't use the Iterator reference.
If you need to remove an entry while iteration, you need to use the long form that uses the Iterator directly.
for (Iterator<Integer> it = set....
How to implement a good __hash__ function in python [duplicate]
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It's unfortunate that Python does not make a combine_hashes function available.
– Fred Foo
Sep 20 '12 at 11:34
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How to get rid of the 'undeclared selector' warning
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yes, It does as @dizy states. (Sorry for the late answer, but I missed the notification).
– Klaas
Aug 21 '13 at 14:28
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Error when deploying an artifact in Nexus
...s I can think of:
user credentials are wrong
url to server is wrong
user does not have access to the deployment repository
user does not have access to the specific repository target
artifact is already deployed with that version if it is a release (not -SNAPSHOT version)
the repository is not sui...
Temporarily put away uncommitted changes in Subversion (a la “git-stash”)
... won't. And what's even more important: It won't result in changes lost as does your suggestion. This, and having another checked out copy of the trunk/same branch, are the only two reliable ways to do this that I know. If you feel uncomfortable with this, just check out another copy and work on it ...
simple HTTP server in Java using only Java SE API
... sun.* API? Look here: java.sun.com/products/jdk/faq/faq-sun-packages.html Does it tell anything about com.sun.*? The com.sun.* is just used for their own public software which is not part of Java API. They also develop software on top of Java API, like as every other company.
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