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How do I achieve the theoretical maximum of 4 FLOPs per cycle?

...one this exact task before. But it was mainly to measure power consumption and CPU temperatures. The following code (which is fairly long) achieves close to optimal on my Core i7 2600K. The key thing to note here is the massive amount of manual loop-unrolling as well as interleaving of multiplies a...
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Python read-only property

I don't know when attribute should be private and if I should use property. 10 Answers ...
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What is the difference between __init__ and __call__?

I want to know the difference between __init__ and __call__ methods. 13 Answers ...
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Python (and Python C API): __new__ versus __init__

...stion I'm about to ask seems to be a duplicate of Python's use of __new__ and __init__? , but regardless, it's still unclear to me exactly what the practical difference between __new__ and __init__ is. ...
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filename and line number of python script

How can I get the file name and line number in python script. 9 Answers 9 ...
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How can I swap positions of two open files (in splits) in vim?

...ng for something else. I wrote two functions awhile back to mark a window and then swap buffers between windows. This seems to be what you're asking for. Just slap these in your .vimrc and map the functions how you see fit: function! MarkWindowSwap() let g:markedWinNum = winnr() endfunctio...
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Best practices for API versioning? [closed]

...g platforms/languages commonly used to implement web services (Java, .NET, PHP, Perl, Rails, etc.) allow easy binding of web service end-point(s) to a base URI. This way it's easy to gather and keep a collection of files/classes/methods separate across different API versions. From the API users PO...
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Shards and replicas in Elasticsearch

I am trying to understand what shard and replica is in Elasticsearch, but I didn't manage to understand it. If I download Elasticsearch and run the script, then from what I know I have started a cluster with a single node. Now this node (my PC) have 5 shards (?) and some replicas (?). ...
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Relative imports in Python 2.7

... is that there is a big difference between directly running a Python file, and importing that file from somewhere else. Just knowing what directory a file is in does not determine what package Python thinks it is in. That depends, additionally, on how you load the file into Python (by running or b...
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String concatenation in Ruby

...trings you often can gain performance by appending the strings to an array and then at the end put the string together atomically. Then << could be useful? – PEZ Dec 18 '08 at 13:12 ...