大约有 41,000 项符合查询结果(耗时:0.0515秒) [XML]

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Understanding Canvas and Surface concepts

I'm struggling to understand the process of drawing to SurfaceView and therefore the whole Surface / Canvas / Bitmap system, which is used in Android. ...
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Convert PDF to image with high resolution

I'm trying to use the command line program convert to take a PDF into an image (JPEG or PNG). Here is one of the PDFs that I'm trying to convert. ...
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Caveats of select/poll vs. epoll reactors in Twisted

Everything I've read and experienced ( Tornado based apps ) leads me to believe that ePoll is a natural replacement for Select and Poll based networking, especially with Twisted. Which makes me paranoid, its pretty rare for a better technique or methodology not to come with a price. ...
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How to squash commits in git after they have been pushed?

... Squash commits locally with git rebase -i origin/master~4 master and then force push with git push origin +master Difference between --force and + From the documentation of git push: Note that --force applies to all the refs that are pushed, hence using it with push.default s...
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Visual Studio Project vs. Solution

... A solution is a container for projects, and tracks dependencies between projects. share | improve this answer | follow | ...
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Renaming projects in Xcode 4

...d to do is click twice slowly on the project root in the project navigator and it then becomes editable. After you rename the project and press 'enter' it will suggest to automatically change all project-name-related entries and will allow you to de-select some of them if you want. Nice. ...
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How to center canvas in html5

...center according to the size of the browser window. The canvas is 800x600. And if the window gets below 800x600, it should resize as well(but that's not very important at the moment) ...
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Unauthorised webapi call returning login page rather than 401

... There are two AuthorizeAttribute implementations and you need to make sure you are referencing the correct one for Web API's. There is System.Web.Http.AuthorizeAttribute which is used for Web API's, and System.Web.Mvc.AuthorizeAttribute which is used for controllers with v...
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Are 2^n and n*2^n in the same time complexity?

... answer this question. The definition is that f(x) belongs to O(g(x)) if and only if the limit limsupx → ∞ (f(x)/g(x)) exists i.e. is not infinity. In short this means that there exists a constant M, such that value of f(x)/g(x) is never greater than M. In the case of your question let f(n) ...
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What's the meaning of Base SDK, iOS deployment target, Target, and Project in xcode

... The base SDK is what you build your app against (i.e. include and library files and frameworks). As you say, it doesn't affect the deployment target, except that base sdk >= deployment target. You specify build settings on 2 levels as each project can have multiple targets and you ...