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Create objective-c class instance by name?
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RequestDispatcher.forward() vs HttpServletResponse.sendRedirect()
...sendRedirect is slower because one extra round trip is required, because a completely new request is created and the old request object is lost. Two browser request are required.
But in sendRedirect, if we want to use the same data for a new resource we have to store the data in session or pass al...
Read and overwrite a file in Python
... For very large files, reading the entire file contents into memory can become unwieldy. Therefore, the fileinput module can become the preferred method. When passed inplace=1, it will move the file to a temporary location first, then write a new file to the old filename path. This move operatio...
What is __declspec and when do I need to use it?
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For declaring COM interfaces and classes, for example, you use __declspec(uuid), for exporting functions sans a DEF file you use __declspec(dllexport), etc. The full list is quite long.
– Seva Alekseyev
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Method to Add new or update existing item in Dictionary
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Android: create a popup that has multiple selection options
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How to get position of a certain element in strings vector, to use it as an index in ints vector?
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Sorry, I can't see @Bob__ 's comments, maybe deleted? I'm wondering why ptrdiff_t is better than size_t since ptrdiff_t would raise a warning of comparison between signed and unsigned integer
– Hiraku
Oct 17 '17 at...
MongoDB with redis
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Redis and MongoDB can be used together with good results. A company well-known for running MongoDB and Redis (along with MySQL and Sphinx) is Craiglist. See this presentation from Jeremy Zawodny.
MongoDB is interesting for persistent, document oriented, data indexed in various ways. ...
Rounding a double to turn it into an int (java)
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