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Difference between events and delegates and its respective applications [closed]
...ubscribes to it is beyond the concern of the owner class.
A delegate is a more generic term to describe a construct similar to a pointer in C/C++ terms. All delegates in .Net are multicast delegates. From a semantics perspective, they are generally used as a kind of input. In particular, they are a...
What is the difference between self-types and trait subclasses?
...ts are satisfied. A User and an implementation of User are provided.
For more practical use cases, please see the links at the start of this answer! But, hopefully now you get it.
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java.sql.SQLException: - ORA-01000: maximum open cursors exceeded
.... In the context of Java, it happens when the application attempts to open more ResultSets than there are configured cursors on a database instance.
Common causes are:
Configuration mistake
You have more threads in your application querying the database than cursors on the DB. One case is where...
Is there a CSS selector for elements containing certain text?
...on: Yes, it is still true for today! Content selectors were deprecated! No more content selectors since CSS3. (w3.org/TR/css3-selectors/#selectors)
– Wlad
Sep 22 '16 at 12:42
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SQL query to get all values a enum can have
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This answer is much more concise. Nice contribution!
– Darin Peterson
Jul 25 '13 at 21:15
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What is the advantage of using forwarding references in range-based for loops?
...will help keep the bug count down. That being said, as && becomes more familiar, then maybe 5 years from now people will come to expect an auto&& idiom (assuming it actually does no harm). I don't know if that will happen or not. But simple is in the eye of the beholder, and if yo...
How are people unit testing with Entity Framework 6, should you bother?
...e no additional database calls (one setup, one teardown)
The tests are far more granular, each test verifies one property
Setup/TearDown logic is removed from the Test methods themselves
I feel this makes the test class simpler and the tests more granular (single asserts are good)
Edit 5/3/2015
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Why does instanceof return false for some literals?
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What are the differences between a UIView and a CALayer?
...ll often need to access the underlying layers for a UIView when performing more complex animations than the base UIView class allows. UIView's animation capabilities have grown as the iOS SDK has matured, but there are still a few things that are best done by interacting with the underlying CALayer...
How to correctly save instance state of Fragments in back stack?
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