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App Inventor 2 列表代码块 · App Inventor 2 中文网

...表元素,将列表缩减为单个值。 如果列表为空,则返回初始结果。 否则,该函数首先应用于初始结果和第一个列表项,然后应用于累积结果和下一个列表项。 这一直持续到列表末尾。 此处 是有关如何使用缩减列表块的教程...
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How to list running screen sessions?

I have a bunch of servers, on which I run experiments using screen . The procedure is the following : 9 Answers ...
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Kill detached screen session [closed]

I learned from somewhere a detached screen can be killed by 11 Answers 11 ...
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What is the difference between “px”, “dip”, “dp” and “sp”?

...oper Documentation: px Pixels - corresponds to actual pixels on the screen. in Inches - based on the physical size of the screen. 1 Inch = 2.54 centimeters mm Millimeters - based on the physical size of the screen. pt Points - 1/72 of an inch based on the physical size of ...
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android splash screen sizes for ldpi,mdpi, hdpi, xhdpi displays ? - eg : 1024X768 pixels for ldpi

I have to design splash screens(images that fit screen while loading) for android application using phonegap. I have to design 4 size images that fit for 4types of screens like ldpi, mdpi , hdpi, xhdpi . Can anyone tell me exact sizes in pixels for these screens so I can design in that size ? ...
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Common CSS Media Queries Break Points [duplicate]

...gn flows well at each browser width, it should work pretty reliably on any screen size (and there are lots and lots of them out there.) share | improve this answer | follow ...
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How to detect the screen resolution with JavaScript?

... original answer Yes. window.screen.availHeight window.screen.availWidth update 2017-11-10 From Tsunamis in the comments: To get the native resolution of i.e. a mobile device you have to multiply with the device pixel ratio: window.screen.width * windo...
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Android: How to turn screen on and off programmatically?

... is in the foreground. This code: params.flags |= LayoutParams.FLAG_KEEP_SCREEN_ON; params.screenBrightness = 0; getWindow().setAttributes(params); Does not turn the screen off in the traditional sense. It makes the screen as dim as possible. In the standard platform there is a limit to how di...
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Save Screen (program) output to a file

I need to save the whole output of Screen to a file to check later all the content. 11 Answers ...
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How to assign name for a screen? [closed]

I'm using the screen multiplexer tool on the command shell and open a lot of screens. I then forget which process ID associates with which task. ...