大约有 30,000 项符合查询结果(耗时:0.0370秒) [XML]

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How do I calculate the nor<em>mem>al vector of a line seg<em>mem>ent?

Suppose I have a line seg<em>mem>ent going fro<em>mem> (x1,y1) to (x2,y2). How do I calculate the nor<em>mem>al vector perpendicular to the line? ...
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sqlalche<em>mem>y flush() and get inserted id?

I want to do so<em>mem>ething like this: 6 Answers 6 ...
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Responsive ifra<em>mem>e using Bootstrap

I a<em>mem> using Bootstrap. 6 Answers 6 ...
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In C<em>Mem>ake, how can I test if the co<em>mem>piler is Clang?

We have a set of cross-platfor<em>mem> C<em>Mem>ake build scripts , and we support building with Visual C++ and GCC . 5 Answers ...
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What does it <em>mem>ean when git says a file “needs update”?

I can't for the life of <em>mem>e find any decent explanation of the "[file]: needs update" <em>mem>essage that git so<em>mem>eti<em>mem>es spits out fro<em>mem> ti<em>mem>e to ti<em>mem>e. Even the official git FAQ has explaining this <em>mem>arked as a TODO. If so<em>mem>eone could explain A) what it <em>mem>eans; and B) how to fix it, I would be extre<em>mem>ely gratefu...
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Progra<em>mem><em>mem>atically fire button click event?

Is there a way to progra<em>mem><em>mem>atically fire a button click event? I have a button placed there in an UIView, and in a particular scenario i want to click the button via code, not <em>mem>anually as a user. Is it possible in iOS develop<em>mem>ent? Please provide your suggestions and guide <em>mem>e how to do that. ...
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When should I use File.separator and when File.pathSeparator?

... If you <em>mem>ean File.separator and File.pathSeparator then: File.pathSeparator is used to separate individual file paths in a list of file paths. Consider on windows, the PATH environ<em>mem>ent variable. You use a ; to separate the file pat...
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How to fix Git error: object file is e<em>mem>pty?

When I try to co<em>mem><em>mem>it changes, I get this error: 24 Answers 24 ...
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How can I expand the full path of the current file to pass to a co<em>mem><em>mem>and in Vi<em>mem>?

When I go to co<em>mem><em>mem>and <em>mem>ode and type 6 Answers 6 ...
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Get generated id after insert

I'<em>mem> using the SQLite with Android, and I want to know the best way to get the generated id of the row I inserted. 5 Answers...