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Share Large, Read-Only Numpy Array Between Multiprocessing Processes
I have a 60GB SciPy Array (Matrix) I must share between 5+ multiprocessing Process objects. I've seen numpy-sharedmem and read this discussion on the SciPy list. There seem to be two approaches-- numpy-sharedmem and using a multiprocessing.RawArray() and mapping NumPy dtype s to ctype s. ...
How can I remove all objects but one from the workspace in R?
I have a workspace with lots of objects and I would like to remove all but one. Ideally I would like to avoid having to type rm(obj.1, obj.2... obj.n) . Is it possible to indicate remove all objects but these ones ?
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Export query result to .csv file in SQL Server 2008
How can I export a query result to a .csv file in SQL Server 2008?
14 Answers
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“var” or no “var” in JavaScript's “for-in” loop?
What's the correct way to write a for-in loop in JavaScript? The browser doesn't issue a complaint about either of the two approaches I show here. First, there is this approach where the iteration variable x is explicitly declared:
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Safely override C++ virtual functions
I have a base class with a virtual function and I want to override that function in a derived class. Is there some way to make the compiler check if the function I declared in the derived class actually overrides a function in the base class? I would like to add some macro or something that ensures ...
Why is iterating through a large Django QuerySet consuming massive amounts of memory?
The table in question contains roughly ten million rows.
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How do I squash two non-consecutive commits?
I'm a bit new to the whole rebasing feature within git. Let's say that I made the following commits:
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Where does Java's String constant pool live, the heap or the stack?
I know the concept of a constants pool and the String constant pool used by JVMs to handle String literals. But I don't know which type of memory is used by the JVM to store String constant literals. The stack or the heap? Since its a literal which is not associated with any instance I would assume ...
Which C++ idioms are deprecated in C++11?
With the new standard, there are new ways of doing things, and many are nicer than the old ways, but the old way is still fine. It's also clear that the new standard doesn't officially deprecate very much, for backward compatibility reasons. So the question that remains is:
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Combining Multiple Commits Into One Prior To Push
This question pertains not only to how to accomplish this task, but to whether doing so is good or bad practice with Git.
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