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Create numpy matrix filled with NaNs

... [ 42, 42]]) But the @u0b34a0f6ae's accepted answer is 3x faster (CPU cycles, not brain cycles to remember numpy syntax ;): $ python -mtimeit "import numpy as np; X = np.empty((100,100));" "X[:] = np.nan;" 100000 loops, best of 3: 8.9 usec per loop (predict)laneh@predict:~/src/predict/pred...
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“The breakpoint will not currently be hit. The source code is different from the original version.”

...r x86 in that dialog, while my local machine is x64! So I selected the Any CPU option and it works again. – JP Hellemons Jul 11 '12 at 7:28 3 ...
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诺奖得主谈“双创”:让鼓励创业成为一种文化 - 资讯 - 清泛网 - 专注C/C++...

...重要性。但是要实现“双创”还需要注意以下几个方面的问题: 一是在政策方面要鼓励“双创”。要实现“双创”这个目标,就要对微型企业或中小型企业实行减税,推出鼓励企业家创新精神的专项投资基金,推动互联网+的战...
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Fast ceiling of an integer division in C / C++

...to a single case. Probably not a huge benefit on a modern general-purpose CPU, but this would be far faster in an embedded system than any of the other correct answers. share | improve this answer ...
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Listen for key press in .NET console app

... Won't this loop consume a lot of CPU/RAM? If not, how so? – Sofia Feb 29 at 3:05 add a comment  |  ...
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Python: How to create a unique file name?

... @ToloPalmer: It's more likely that your computer's CPU has a processing error that causes it to load the wrong file than it is a generated UUID collides with any existing value. UUID produces a unique name in a model of computing that understands not all computation is pure m...
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Counting the number of True Booleans in a Python List

... I would suggest to use count as I did in count_it. Python version: 3.6.7 CPU cores: 4 RAM size: 16 GB OS: Ubuntu 18.04.1 LTS share | improve this answer | follow ...
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MySql server startup error 'The server quit without updating PID file '

...l of the MySQL processes running: $ ps aux | grep mysql USER PID %CPU %MEM _mysql 5970 0.0 0.4 ... Then kill all the processes listed from the above command using the following: $ sudo kill -9 [PID] Replace [PID] with the individual PID from the list above, e.g. 5970. Do that ...
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Ideal way to cancel an executing AsyncTask

... If you have a cpu consuming operation in AsyncTask, so you must call cancel(true). I used it and it works. – S.M.Mousavi Nov 16 '16 at 12:52 ...
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When does System.gc() do something?

...generations in a multi-generational heap), then it can actually cause MORE cpu cycles to be consumed than necessary. In some cases, it may make sense to suggest to the VM that it do a full collection NOW as you may know the application will be sitting idle for the next few minutes before heavy lift...