大约有 47,000 项符合查询结果(耗时:0.0604秒) [XML]

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Zoom in on a point (using scale and translate)

I want to be able to zoom in on the point under the mouse in an HTML 5 canvas, like zooming on Google Maps . How can I achieve that? ...
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How do I parse JSON with Objective-C?

I am new to iPhone. Can anyone tell me the steps to follow to parse this data and get the activity details, first name, and last name? ...
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How to list npm user-installed packages?

How do I list the user-installed package ONLY in npm ? When I do npm -g list it outputs every package and their dependencies, which is not what I want. ...
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How to split a sequence into two pieces by predicate?

How do I split a sequence into two lists by a predicate? 6 Answers 6 ...
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Use StringFormat to add a string to a WPF XAML binding

I have a WPF 4 application that contains a TextBlock which has a one-way binding to an integer value (in this case, a temperature in degrees Celsius). The XAML looks like this: ...
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error: ‘NULL’ was not declared in this scope

I get this message when compiling C++ on gcc 4.3 6 Answers 6 ...
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python pandas: apply a function with arguments to a series

I want to apply a function with arguments to a series in python pandas: 4 Answers 4 ...
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How to create a new branch from a tag?

I'd like to create a new master branch from an existing tag. Say I have a tag v1.0 . How to create a new branch from this tag? ...
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Email validation using jQuery

I'm new to jQuery and was wondering how to use it to validate email addresses. 35 Answers ...
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Get the current year in JavaScript

How do I get the current year in JavaScript? 8 Answers 8 ...