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Suppressing “is never used” and “is never assigned to” warnings in C#
...code. The first ("... is never used") is usually a code-smell of leftovers from earlier versions of the code. Perhaps code was deleted, but fields left behind.
The second is usually a code-smell for incorrectly used fields. For instance, you might incorrectly write the new value of a property back ...
How can I verify if one list is a subset of another?
...lookup table can be anything that performs best. The dynamic one is a dict from which we extract the keys to perform a static lookup on. Will this fact alter the solution?
– IUnknown
May 18 '13 at 1:41
...
Detect permission of camera in iOS
... if you are testing code that uses this, you can't merely delete your App from the testing device and then re-instal. Doing this will not cause iOS to reissue the request to the user! What's worked for me though is to change the Bundle ID of the app each time I want to test this. A pain in the bum, ...
How to get names of classes inside a jar file?
...hen you're scanning for a large number of classes.
ClassPath cp=ClassPath.from(Thread.currentThread().getContextClassLoader());
for(ClassPath.ClassInfo info : cp.getTopLevelClassesRecurusive("my.package.name")) {
// Do stuff with classes here...
}
Reflections
I haven't personally used the Re...
mkdir -p functionality in Python [duplicate]
Is there a way to get functionality similar to mkdir -p on the shell from within Python. I am looking for a solution other than a system call. I am sure the code is less than 20 lines, and I am wondering if someone has already written it?
...
Struct Constructor in C++?
...
And that structures will default to public when deriving from :)
– GManNickG
Jul 14 '09 at 19:15
2
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What are important languages to learn to understand different approaches and concepts? [closed]
...me if I'm wrong, but I think Python sortof does continuations already. And from what I have read, I'd rather learn Factor and Objective-C than Forth and Smalltalk, but I might be cutting corners there.
– Pepijn
Oct 18 '10 at 11:58
...
How to use ELMAH to manually log errors
... API:
try
{
some code
}
catch(Exception ex)
{
Elmah.ErrorSignal.FromCurrentContext().Raise(ex);
}
There is a difference between the two solutions:
Raise method applies ELMAH filtering rules to the exception. Log method does not.
Raise is subscription based and is able to log one excep...
What is move semantics?
...e pointer and then set the original pointer to null (to prevent 'delete[]' from source object's destructor from releasing our 'just stolen data'). In effect, we have "stolen" the data that originally belonged to the source string. Again, the key insight is that under no circumstance could the client...
Is “Java Concurrency In Practice” still valid? [closed]
...
Yes, it's still valid in my mind. There isn't big change in this area from 6 to 7. Fork-join is a new feature, which is very suitable for divide-and-conquer type of problems. But all the existing stuff inside the book, such as synchronization, volatile, servlet, are still very valid.
...