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__FILE__, __LINE__, and __FUNCTION__ usage in C++
...s them, is there any particular reason not to use __FILE__ , __LINE__ and __FUNCTION__ for logging and debugging purposes?
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What's the difference between BaseAdapter and ArrayAdapter?
I want to know the difference between using BaseAdapter and ArrayAdapter .
6 Answers
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Should a RESTful 'PUT' operation return something
...st specific URI for the new resource returned in the Location header field and any other relevant URIs and metadata of the resource echoed in the response body. (RFC 2616 Section 10.2.2)
HTTP status code 409 Conflict for a PUT that is unsuccessful due
to a 3rd-party modification, with a list of diff...
Simple way to calculate median with MySQL
What's the simplest (and hopefully not too slow) way to calculate the median with MySQL? I've used AVG(x) for finding the mean, but I'm having a hard time finding a simple way of calculating the median. For now, I'm returning all the rows to PHP, doing a sort, and then picking the middle row, but ...
What is a singleton in C#?
What is a Singleton and when should I use it?
16 Answers
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Selecting the last value of a column
...spreadsheet with some values in column G. Some cells are empty in between, and I need to get the last value from that column into another cell.
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How to delete a file or folder?
...os.rmdir() removes an empty directory.
shutil.rmtree() deletes a directory and all its contents.
Path objects from the Python 3.4+ pathlib module also expose these instance methods:
pathlib.Path.unlink() removes a file or symbolic link.
pathlib.Path.rmdir() removes an empty directory.
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Why does Dijkstra's algorithm use decrease-key?
...ueue small, thus keeping the total number of priority queue dequeues small and the cost of each priority queue balance low.
In an implementation of Dijkstra's algorithm that reinserts nodes into the priority queue with their new priorities, one node is added to the priority queue for each of the m ...
How do I see the extensions loaded by PHP?
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Running php -m will give you all the modules, and php -i will give you a lot more detailed information on what the current configuration.
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Why is UICollectionViewCell's outlet nil?
...ICollectionViewCell in Interface Builder, binded views on it to the class, and then when I want to use and set a string to the label on the string, tha label has a nil value.
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