大约有 4,761 项符合查询结果(耗时:0.0221秒) [XML]

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Why can't R's ifelse statements return vectors?

I've found R's ifelse statements to be pretty handy from time to time. For example: 9 Answers ...
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Trigger a keypress/keydown/keyup event in JS/jQuery?

What is the best way to simulate a user entering text in a text input box in JS and/or jQuery? 9 Answers ...
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`require': no such file to load — mkmf (LoadError)

I was trying to install rails on Ubuntu Natty Narwhal 11.04, using ruby1.9.1. 10 Answers ...
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How to filter a dictionary according to an arbitrary condition function?

I have a dictionary of points, say: 7 Answers 7 ...
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How to get UTC timestamp in Ruby?

How to get UTC timestamp in Ruby? 9 Answers 9 ...
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The superclass “javax.servlet.http.HttpServlet” was not found on the Java Build Path [duplicate]

I have a project created by Maven integration in Eclipse. All work fine, but in the work space in all JSP files have this: ...
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Linux - Install redis-cli only

...er with Redis installed and I want to connect to it via command line from my local Linux machine. 12 Answers ...
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Zoom to fit all markers in Mapbox or Leaflet

... answered May 30 '13 at 20:54 L. SannaL. Sanna 5,37866 gold badges2828 silver badges4646 bronze badges ...
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Can't access RabbitMQ web management interface after fresh install

...using the default guest/guest credentials except via localhost. If you want enable the guest user read this or this RabbitMQ 3.3.1 can not login with guest/guest # remove guest from loopback_users in rabbitmq.config like this [{rabbit, [{loopback_users, []}]}]. # It is danger for default ...
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Test if a vector contains a given element

...ted Apr 27 '11 at 18:15 Community♦ 111 silver badge answered Jul 23 '09 at 2:25 medriscollmedriscoll ...