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App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 · App Inventor 2 中文网
...同样适用于 Apple 的 iOS。
因此，此扩展无法使用低于 1024 的端口号运行。
重要提示：
某些通过 UDP 控制的设备会向发送方发送响应。使用接收数据包的地址作为目标地址。为了能够接收此数据包，应用程序的发送和接收地址...
How do I stop Chrome from yellowing my site's input boxes?
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I know in Firefox you can use the attribute autocomplete="off" to disable the autocomplete funct...
How can I truncate a double to only two decimal places in Java?
For example I have the variable 3.545555555, which I would want to truncate to just 3.54.
15 Answers
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Resizing an Image without losing any quality [closed]
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edited May 23 '17 at 11:47
Community♦
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answered Sep 17 '08 at 21:20
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What linux shell command returns a part of a string? [duplicate]
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174
If you are looking for a shell utility to do something like that, you can use the cut command.
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How to only get file name with Linux 'find'?
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edited Oct 1 '15 at 21:14
kenorb
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answered...
JPG vs. JPEG image formats
...with which Image Capture saves the images from scanning with my Canon MX455 printer. LaTeX doesn't seem to distinguish, as I gave it a .jpeg with the extension changed to .jpg and the result seems to be the same as if it had been a .jpg right from the start. I have wondered what the diff...
How do I trim whitespace from a string?
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edited Oct 9 '14 at 3:47
alex
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Nested Git repositories?
...Alan W. Smith
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answered Dec 9 '09 at 2:47
Greg HewgillGreg Hewgill
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Working with select using AngularJS's ng-options
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edited Mar 25 '17 at 21:40
Peter Mortensen
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