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What is the purpose of python's inner classes?
...thon's inner/nested classes confuse me. Is there something that can't be accomplished without them? If so, what is that thing?
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What is object slicing?
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Very informative, but see stackoverflow.com/questions/274626#274636 for an example of how slicing occurs during method calls (which underscores the danger a little better than the plain assignment example).
– Blair Conrad
Nov ...
Java Interfaces/Implementation naming convention [duplicate]
...n that the class is abstract and to how it should be used. You could still come up with a better name than AbstractTruck and use BaseTruck or DefaultTruck instead since the abstract is in the definition. But since Abstract classes should never be part of any public facing interface I believe it is a...
What is @ModelAttribute in Spring MVC?
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@Ryan see stackoverflow.com/questions/8688135/…
– Neil McGuigan
Jun 12 '15 at 22:33
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C/C++ with GCC: Statically add resource files to executable/library
Does anybody have an idea how to statically compile any resource file right into the executable or the shared library file using GCC?
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Shall we always use [unowned self] inside closure in Swift
... to understand unowned self. A reason to use weakSelf simply being 'self becomes an optional', is not enough for me. Why would I specifically want to use 'unowned self' stackoverflow.com/questions/32936264/…
– user1951992
Oct 5 '15 at 13:41
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Is there a way to detect if a browser window is not currently active?
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Since originally writing this answer, a new specification has reached recommendation status thanks to the W3C. The Page Visibility API (on MDN) now allows us to more accurately detect when a page is hidden to the user.
document.addEventListener("visibilitychange", onchange);
Current browser ...
Why is there no SortedList in Java?
...nt the natural ordering you can use the constructor parameter that takes a Comparator<T>.
Alternatively, you can use Multisets (also known as Bags), that is a Set that allows duplicate elements, instead and there are third-party implementations of them. Most notably from the Guava libraries t...
Default value of a type at Runtime [duplicate]
...nce is simply null. So, it really is legitimately an actual null reference coming out of e.g. Activator.CreateInstance(typeof(int?)), not an int?. There's probably an int? internally but it disappears during boxing.
– Jonathan Gilbert
Jul 14 '16 at 17:52
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TCP: can two different sockets share a port?
...f the connection. An established connection is uniquely identified by the combination of client-side and server-side IP/Port pairs. Multiple connections on the same server can share the same server-side IP/Port pair as long as they are associated with different client-side IP/Port pairs, and the s...