大约有 40,000 项符合查询结果(耗时:0.0738秒) [XML]

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How do I calculate the normal vector of a line segment?

... answered Aug 7 '09 at 8:49 Oren TrutnerOren Trutner 22k77 gold badges5050 silver badges5555 bronze badges ...
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In JavaScript, is returning out of a switch statement considered a better practice than using break?

... 10 @Mark Costello's answer made me thank a bit more about your question. I think you're looking for a general "best practice" guideline, but i...
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jQuery Plugin: Adding Callback functionality

... var options = $.extend({ callback: function() {} }, arguments[0] || {}); // call the callback and apply the scope: options.callback.call(this); }; Use it like this: $('.elem').myPlugin({ callback: function() { // some action } }); ...
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How can you debug a CORS request with cURL?

...successful, these headers shouldn't appear, or the HTTP response won't be 200. You can also specify additional headers, such as User-Agent, by using the -H flag. share | improve this answer ...
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Check a collection size with JSTL

... <c:if test="${companies.size() > 0}"> </c:if> This syntax works only in EL 2.2 or newer (Servlet 3.0 / JSP 2.2 or newer). If you're facing a XML parsing error because you're using JSPX or Facelets instead of JSP, then use gt instead of >. <c...
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python numpy ValueError: operands could not be broadcast together with shapes

... user2357112 supports Monica 200k2020 gold badges287287 silver badges373373 bronze badges answered Jul 3 '14 at 22:08 DrVDrV ...
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How to get a substring of text?

I have text with length ~700. How do I get only ~30 of its first characters? 5 Answers ...
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Remove duplicate values from JS array [duplicate]

... | edited Dec 26 '16 at 10:53 Martijn Pieters♦ 839k212212 gold badges32183218 silver badges28092809 bronze badges ...
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Get the key corresponding to the minimum value within a dictionary

... | answered Jul 19 '10 at 16:21 community wiki ...
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What is the difference between 'log' and 'symlog'?

...de pyplot.ion() # Draw the grid lines pyplot.grid(True) # Numbers from -50 to 50, with 0.1 as step xdomain = numpy.arange(-50,50, 0.1) # Plots a simple linear function 'f(x) = x' pyplot.plot(xdomain, xdomain) # Plots 'sin(x)' pyplot.plot(xdomain, numpy.sin(xdomain)) # 'linear' is the default mod...