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multiprocessing: sharing a large read-only object between processes?

...ed buffers between the processes. Solution 2 In some cases, you have a more complex structure – often a "fan-out" structure. In this case you have a parent with multiple children. Parent opens source data. Parent forks a number of children. Parent reads source, farms parts of the source ou...
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Does Python support multithreading? Can it speed up execution time?

...ll switches between threads. What the GIL prevents then, is making use of more than one CPU core or separate CPUs to run threads in parallel. This only applies to Python code. C extensions can and do release the GIL to allow multiple threads of C code and one Python thread to run across multiple c...
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What is the difference between tree depth and height?

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Datatable vs Dataset

...you can return multiple distinct sets of data into a single, and therefore more manageable, object. Performance-wise, you're more likely to get inefficiency from unoptimized queries than from the "wrong" choice of .NET construct. At least, that's been my experience. ...
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Android Facebook integration with invalid key hash

...the above step, relaunch the app again. You may now log into Facebook. For more details about key hash, check the link. If you add wrong information in the settings page, it means it will give some error. So use the correct information there. And also if the public (other than you) need to use your...
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Sort a list by multiple attributes?

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Is there any particular difference between intval and casting to int - `(int) X`?

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Arduino Sketch upload issue - avrdude: stk500_recv(): programmer is not responding

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Java 8 List into Map

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How do the likely/unlikely macros in the Linux kernel work and what is their benefit?

... least 64 bits at a time. Depending on DRAM interleave, it may be 2x 3x or more bits that get grabbed. – Bryce Feb 15 '17 at 19:39  |  show 4 ...