大约有 8,200 项符合查询结果(耗时:0.0348秒) [XML]

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Cast an instance of a class to a @protocol in Objective-C

I have an object (a UIViewController) which may or may not conform to a protocol I've defined. 2 Answers ...
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How to find all duplicate from a List? [duplicate]

I have a List<string> which has some words duplicated. I need to find all words which are duplicates. 9 Answers ...
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Show percent % instead of counts in charts of categorical variables

I'm plotting a categorical variable and instead of showing the counts for each category value. 8 Answers ...
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Vagrant's port forwarding not working [closed]

I'm running into a small problem at the end of the Getting Started guide for vagrant . I'm working on a CentOS basebox that has Apache2 running (provisioning via Puppet). I've set up port forwarding for web requests using the following line in Vagrantfile : ...
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What does the explicit keyword mean?

What does the explicit keyword mean in C++? 11 Answers 11 ...
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CSS to make HTML page footer stay at bottom of the page with a minimum height, but not overlap the p

I have the following page (deadlink: http://www.workingstorage.com/Sample.htm ) that has a footer which I can't make sit at the bottom of the page. ...
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Multi-gradient shapes

I'd like to create a shape that's like the following image: 5 Answers 5 ...
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How to calculate “time ago” in Java?

In Ruby on Rails, there is a feature that allows you to take any Date and print out how "long ago" it was. 30 Answers ...
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How can I create download link in HTML?

I have a basic idea of HTML. I want to create the download link in my sample website, but I don't have idea of how to create it. How do I make a link to download a file rather than visit it? ...
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Is it possible to data-bind visible to the negation (“!”) of a boolean ViewModel property?

I'd like to use a property on my ViewModel to toggle which icon to display without creating a separate computed property of the inverse. Is this possible? ...