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使用App Inventor扩展实现多点触控：Scale Detector · App Inventor 2 中文网
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使用App Inventor扩展实现多点触控：Scale Detector
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草稿（9 月 13 日）：构建扩展需要 App Inventor Extensions 功能，该功能尚未合并到 App Inventor 版本中。 但是你可以使用...
Current time formatting with Javascript
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Fastest way to convert JavaScript NodeList to Array?
Previously answered questions here said that this was the fastest way:
13 Answers
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undefined reference to `__android_log_print'
What is wrong with my make file?
15 Answers
15
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C# 4 default parameter values: How to assign a default DateTime/object value? [duplicate]
If DateTime is an object and default C# parameters can only be assigned compile-time constants, how do you provide default values for objects like DateTime?
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Is there a “not equal” operator in Python?
How would you say does not equal?
9 Answers
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How to find out the number of CPUs using python
I want to know the number of CPUs on the local machine using Python. The result should be user/real as output by time(1) when called with an optimally scaling userspace-only program.
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Regular Expression: Any character that is NOT a letter or number
I'm trying to figure out the regular expression that will match any character that is not a letter or a number. So characters such as (,,@,£,() etc ...
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How to use sed to remove the last n lines of a file
I want to remove some n lines from the end of a file. Can this be done using sed?
22 Answers
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