大约有 40,000 项符合查询结果(耗时:0.0630秒) [XML]

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How to normalize an array in NumPy?

I would like to have the norm of one NumPy array. More specifically, I am looking for an equivalent version of this function ...
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Get the first key name of a javascript object [duplicate]

... to execute significantly faster, O(1) rather than O(n). It's not silly at all. – Steven Lu Jan 8 '13 at 6:49 ...
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Capture characters from standard input without waiting for enter to be pressed

...oo much on the terminal used that may be connected with stdin (they are usually line buffered). You can, however use a library for that: conio available with Windows compilers. Use the _getch() function to give you a character without waiting for the Enter key. I'm not a frequent Windows developer...
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How do I plot in real-time in a while loop using matplotlib?

... Did not work on Win64/Anaconda matplotlib.__version__ 1.5.0. An initial figure window opened, but did not display anything, it remained in a blocked state until I closed it – isti_spl Feb 4 '16 at 8:39 ...
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How to filter a dictionary according to an arbitrary condition function?

... And here is a good explanation why the function call dict() is slower than the constructor/literal syntax {} doughellmann.com/2012/11/… – dorvak Jul 10 '13 at 9:37 ...
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How do you include additional files using VS2010 web deployment packages?

... to copy required .dll's into my bin folder that my app relies on for API calls. They cannot be included as a reference since they are not COM dlls that can be used with interop. ...
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How to move a model between two Django apps (Django 1.7)

So about a year ago I started a project and like all new developers I didn't really focus too much on the structure, however now I am further along with Django it has started to appear that my project layout mainly my models are horrible in structure. ...
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What does “abstract over” mean?

...the similarities. We say that we abstract over the differences, but this really means we're integrating by the similarities. For example, consider a program that takes the sum of the numbers 1, 2, and 3: val sumOfOneTwoThree = 1 + 2 + 3 This program is not very interesting, since it's not very a...
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Get a list of checked checkboxes in a div using jQuery

... Unnecessary call of constructor var selected = new Array();. Better (cheaper) with var selected = []; – Pono Mar 17 '14 at 22:45 ...
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Using node.js as a simple web server

... Simplest Node.js server is just: $ npm install http-server -g Now you can run a server via the following commands: $ cd MyApp $ http-server If you're using NPM 5.2.0 or newer, you can use http-server without installing it with npx. This isn't recommended for u...