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Which kind of pointer do I use when?
...y and you want to adopt it to the RAII principle. This one was not adopted by the standard.
Unique ownership:
Boost also has a scoped_ptr, which is not copyable and for which you can not specify a deleter. std::unique_ptr is boost::scoped_ptr on steroids and should be your default choice when you n...
Extract file basename without path and extension in bash [duplicate]
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Is there a way to combine ##*/ at %.* (by nesting or piping or whatnot) arrive at foo directly?
– bongbang
Nov 26 '14 at 22:09
4
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“From View Controller” disappears using UIViewControllerContextTransitioning
...'s view is going to be hidden (removed from the view hierarchy) completely by the end of transition. In other words it means that after the initial presentation animation finishes only the presented view controller's view will be visible and not the presenting view controller's view. For example if ...
Memcache Vs. Memcached [duplicate]
... naming conventions (for those unfamiliar), which explains the frustration by the question asker: For many *nix applications, the piece that does the backend work is called a "daemon" (think "service" in Windows-land), while the interface or client application is what you use to control or access th...
Python name mangling
... def push(self, value):
self.__storage.append(value)
write this by default:
class Stack(object):
def __init__(self):
self.storage = [] # No mangling
def push(self, value):
self.storage.append(value)
This is for sure a controversial way of doing things. Python ...
Best practice for nested fragments in Android 4.0, 4.1 (
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The only way I could see this working is by using a CustomLayoutInflater, as you come across the fragment element, you would override the super implementation and try to parse/inflate it yourself. But that will be ALOT of effort, Well out of scope of a StackOverflow...
Why can a class not be defined as protected?
... default.
Since there is no way to restrict this class being subclassed by only few classes (we cannot restrict class being inherited by only few classes out of all the available classes in a package/outside of a package), there is no use of protected access specifiers for top level classes. Henc...
How to implement the factory method pattern in C++ correctly
...to worry about copying. If you want copying, and it's expensive (as proven by profiling, of course), you may wish to use something like Qt's shared classes to avoid copying overhead.
As for the allocation type, the main reason to use the factory pattern is usually polymorphism. Constructors can't b...
How to get image height and width using java?
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This is the best answer by a very long way, and you've been cheated out of votes by the same answer posted by someone else 17 days after your post. This should be the top answer not the bottom.
– Oversteer
Jun ...
Counting DISTINCT over multiple columns
...05) that works pretty well for me and I can use as many columns as I need (by adding them to the CHECKSUM() function). The REVERSE() function turns the ints into varchars to make the distinct more reliable
SELECT COUNT(DISTINCT (CHECKSUM(DocumentId,DocumentSessionId)) + CHECKSUM(REVERSE(DocumentId...