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NSInvocation for Dummies?
...send the addObject: message as follows:
[myArray addObject:myString];
Now, let's say you want to use NSInvocation to send this message at some other point in time:
First, you would prepare an NSInvocation object for use with NSMutableArray's addObject: selector:
NSMethodSignature * mySignatur...
How to move files from one git repo to another (not a clone), preserving history
... what if your file has moved through several directories, and now resides in one--will subdirectory-filter still work? (i.e. I'm assuming that if I just want to move one file, I can move it to its own subdirectory and this will work?)
– rogerdpack
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What are Transient and Volatile Modifiers?
...to them." Your sentence suggest that threads don't have access by default. Now I read the link and the other answer I understand: compiler don't do any kind of thread-specific intermediate storage of the variable so other threads can see the changes inmediatly.
– helios
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Differences between std::make_unique and std::unique_ptr with new
...t here is that std::make_unique<A> and std::make_unique<B> are now temporary objects, and cleanup of temporary objects is correctly specified in the C++ standard: their destructors will be triggered and the memory freed. So if you can, always prefer to allocate objects using std::make_un...
Why is document.body null in my javascript?
... position of your <script> element, and load JavaScript last:
Right now, your <script> element is being loaded in the <head> element of your document. This means that it will be executed before the body has loaded. Google developers recommends moving the <script> tags to the...
What's wrong with nullable columns in composite primary keys?
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In Oracle (I don't know about SQL Server), the table can contain many rows where all the columns in a unique constraint are null. However, if some column(s) in the unique constraint are not null and some are null then uniqueness is enforced.
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What's the difference between JPA and Spring Data JPA?
...am a bit confused about the difference between Spring Data-JPA and JPA. I know about JPA that it is a specification for persisting the Java Objects to a relational database using popular ORM technology.
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Shading a kernel density plot between two points.
... in demo(graphics) since before the dawn on time so one comes across every now and then. Same idea for NBER regression shading etc.
– Dirk Eddelbuettel
Aug 16 '10 at 17:19
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How do I specify multiple targets in my podfile for my Xcode project?
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CocoaPods 1.0 has changed the syntax for this. It now looks like this:
def shared_pods
pod 'SSKeychain', '~> 0.1.4'
pod 'INAppStoreWindow', :head
pod 'AFNetworking', '1.1.0'
pod 'Reachability', '~> 3.1.0'
pod 'KSADNTwitterFormatter', '~> 0.1.0'...
Rotating a point about another point (2D)
I'm trying to make a card game where the cards fan out. Right now to display it Im using the Allegro API which has a function:
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