大约有 40,000 项符合查询结果(耗时:0.0604秒) [XML]

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Groovy / grails how to determine a data type?

... To determine the class of an object simply call: someObject.getClass() You can abbreviate this to someObject.class in most cases. However, if you use this on a Map it will try to retrieve the value with key 'class'. Because of this, I always use getClass() even thou...
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What is the best way to check for Internet connectivity using .NET?

...google.com does not return some HTML :) – Daniel Vassallo Jan 9 '10 at 1:01 3 @Daniel: true on th...
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How to get the difference between two arrays in JavaScript?

... The fastest way is the most obviously naive solution. I tested all of the proposed solutions for symmetric diff in this thread, and the winner is: function diff2(a, b) { var i, la = a.length, lb = b.length, res = []; if (!la) return b; else if (!lb) r...
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Class constants in python

In python, I want a class to have some "constants" (practically, variables) which will be common in all subclasses. Is there a way to do it with friendly syntax? Right now I use: ...
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Combine multiple Collections into a single logical Collection?

...llections (e.g. 3 ArrayLists) as members of a class. Now, I want to expose all the elements to other classes so they can simply iterate over all elements (ideally, read only). I'm using guava collections and I wonder how I could use guava iterables/iterators to generate a logical view on the interna...
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How can I handle R CMD check “no visible binding for global variable” notes when my ggplot2 syntax i

... Just another warning. aes_string does not allow you to use functions to manipulate the x and y values. Say that you would like to log transform y in which case aes_string(x = 'x.values', y='log(y.values)') of course doesn't work. I use these kind of transformations a...
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jquery IDs with spaces

... so Elliot's answer helps tremendously, whereas glavic's offers no help at all. – daybreaker Jun 27 '11 at 18:59 Thank...
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How to convert Set to Array?

...y good way to get properties, except for generator [Set].values, which is called in an awkward way of mySet.values.next() . ...
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Extracting substrings in Go

...panic on a zero length input, wrap the truncate operation in an if input, _ := src.ReadString('\n') var inputFmt string if len(input) > 0 { inputFmt = input[:len(input)-1] } // Do something with inputFmt share ...
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How can I trigger a JavaScript event click

...link" onclick="javascript:Test('Test');">Google Chrome</a> and call the .click() method in your JavaScript code via a for loop: var link = document.getElementById('my-link'); for(var i = 0; i < 50; i++) link.click(); ...