大约有 40,000 项符合查询结果(耗时:0.0650秒) [XML]

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How do you get the magnitude of a vector in Numpy?

... 220 The function you're after is numpy.linalg.norm. (I reckon it should be in base numpy as a proper...
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How to validate phone numbers using regex

...use of the British tendency to write numbers in the non-standard form +44 (0) ... when asked to use the international prefix (in that specific case, you should discard the (0) entirely). Then, you end up with values like: 12345678901 12345678901x1234 345678901x1234 12344678901 12345678901 12...
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python capitalize first letter only

...rAli Afshar 37.4k1212 gold badges8686 silver badges106106 bronze badges 5 ...
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Mocking Extension Methods with Moq

... | edited Jun 20 at 9:12 Community♦ 111 silver badge answered Aug 23 '11 at 6:20 ...
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Split function equivalent in T-SQL?

I’m looking to split '1,2,3,4,5,6,7,8,9,10,11,12,13,14,15...' (comma delimited) into a table or table variable. 15 Answ...
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How can I define colors as variables in CSS?

... natively with CSS Variables. Example CSS file :root { --main-color:#06c; } #foo { color: var(--main-color); } For a working example, please see this JSFiddle (the example shows one of the CSS selectors in the fiddle has the color hard coded to blue, the other CSS selector uses CSS vari...
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getting date format m-d-Y H:i:s.u from milliseconds

... Microseconds (added in PHP 5.2.2). Note that date() will always generate 000000 since it takes an integer parameter, whereas DateTime::format() does support microseconds if DateTime was created with microseconds. So use as simple: $micro_date = microtime(); $date_array = explode(" ",$micro_date...
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Javascript object Vs JSON

...on () { alert('hello'); } }); // returns the string "{"foo":"2011-11-28T10:21:33.939Z"}" For parsing a JSON string, is the method below recommended? var javascriptObj = JSON.parse(jSonString); Yes, but older browsers don't support JSON natively (IE <8). To support these, you sh...
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Fade In Fade Out Android Animation in Java

I want to have a 2 second animation of an ImageView that spends 1000ms fading in and then 1000ms fading out. 11 Answers ...
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Outputting data from unit test in python

...tion to the error message like this: self.assertEqual(f.bar(t2), 2, msg='{0}, {1}'.format(t1, t2)) Offical docs here share | improve this answer | follow | ...