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What's the difference between Ruby's dup and clone methods?
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Subclasses may override these methods to provide different semantics. In Object itself, there are two key differences.
First, clone copies the singleton class, while dup does not.
o = Object.new
def o.foo
42
end
o.dup.foo # raises NoMetho...
ASP.NET MVC Html.ValidationSummary(true) does not display model errors
I have some problem with Html.ValidationSummary. I don't want to display property errors in ValidationSummary. And when I set Html.ValidationSummary(true) it does not display error messages from ModelState. When there is some Exception in controller action on string
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SVG图像加载扩展 - 第三方扩展集合 · App Inventor 2 中文网
...径)
从应用资源目录加载SVG文件。
设置元素颜色(元素ID,颜色)
设置指定SVG元素的颜色。
设置元素透明度(元素ID,透明度)
设置指定SVG元素的透明度。
动画元素(元素ID,动画类型,持续时间)
为指定SVG元素添加动画效果。
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How to paginate with Mongoose in Node.js?
...uestion of pagination, so you can't be 'disappointed', although it is a valid caution. Although the same issue is in MySQL offset,limit. It is has to traverse the tree to the offset before returning results. I'd take this with a grain of salt, if your result sets are less than 1mil and there's no pr...
Saving enum from select in Rails 4.1
...gt; Wine.colors.keys.to_a
Which generated the following HTML:
<select id="wine_color" name="wine[color]">
<option value=""></option>
<option value="red">red</option>
<option value="white">white</option>
<option value="sparkling">sparkling<...
jquery: $(window).scrollTop() but no $(window).scrollBottom()
... answered Jan 11 '11 at 7:47
David TangDavid Tang
84.3k2828 gold badges156156 silver badges144144 bronze badges
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Android file chooser [closed]
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EDIT (02 Jan 2012):
I created a small open source Android Library Project that streamlines this process, while also providing a built-in file explorer (in case the user does not have one present). It's extremely simple to use, requiring only a few lines of code.
You can find it ...
What is meant by the term “hook” in programming?
...but was unable to find a good answer. Would someone be able to give me an idea of what this term generally means and perhaps a small example to illustrate the definition?
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Two inline-block, width 50% elements wrap to second line [duplicate]
I would like to have two columns of 50% width space, and avoid floats.
So i thought using display:inline-block .
5 Answers...
Static variables in JavaScript
... also mention static functions in your example.
– David Rodrigues
Nov 15 '14 at 15:34
18
hi, I am...