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为AppInventor2开发自己的拓展(Extension) - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...只能运行于安卓设备上，对于iOS设备需要使用swift开发iOS版本的拓展。环境配置安装好 Java开发环境 以及 Ant编译环境，这里以Windows为例，供参考：安装完JDK后配置环境变量 计算机（右键）→属性→高级系统设置→高级→环境变...
浅谈TCP优化 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...计算方法如下：
Buffer / 2^tcp_adv_win_scale
依照Linux内核版本的不同，net.ipv4.tcp_adv_win_scale 的值可能是 1 或者 2，如果为 1 的话，则表示二分之一的缓冲被用来做额外开销，如果为 2 的话，则表示四分之一的缓冲被用来做额外开...
How to simulate the environment cron executes a script with?
...(screen -r). If you are checking the screen session has been created (with ps) be aware that they are sometimes in capitals (e.g. ps | grep SCREEN)
Now even nmcli and similar will fail.
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Java Stanford NLP: Part of Speech labels?
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The Penn Treebank Project. Look at the Part-of-speech tagging ps.
JJ is adjective. NNS is noun, plural. VBP is verb present tense. RB is adverb.
That's for english. For chinese, it's the Penn Chinese Treebank. And for german it's the NEGRA corpus.
CC Coordinating conjunction
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App Inventor 2 DynamicComponents 拓展：动态创建AI2组件对象 · App Inventor 2 中文网
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返回扩展的版本。
返回扩展的版本名称。
使用 Schema 块创建 Schema ...
How to replace multiple strings in a file using PowerShell
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A third option, for a pipelined one-liner is to nest the -replaces:
PS> ("ABC" -replace "B","C") -replace "C","D"
ADD
And:
PS> ("ABC" -replace "C","D") -replace "B","C"
ACD
This preserves execution order, is easy to read, and fits neatly into a pipeline. I prefer to use parenthese...
linux: kill background task
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@polm23; no, ^Z doesn't background jobs, it stops them. A subsequent bg does the actual 'backgrounding' (resumes execution in the background), and after that $! works as expected.
– falstro
Oct 16 '12 at 14:39
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How to use Java property files?
...If you use the *.properties extension you can get editor support, e.g. Eclipse has a properties file editor.
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Graphviz: How to go from .dot to a graph?
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type: dot -Tps filename.dot -o outfile.ps
If you want to use the dot renderer. There are alternatives like neato and twopi. If graphiz isn't in your path, figure out where it is installed and run it from there.
You can change the outpu...
BLE（一）概述&工作流程&常见问题 - 创客硬件开发 - 清泛IT社区，...
...，即Bluetooth，是斯堪的纳维亚语中 Blåtand / Blåtann 的英化版本。该词是十世纪的一位国王Harald Bluetooth的绰号，相传他将纷争不断的丹麦部落统一为一个王国，并引入了基督教。蓝牙技术开发者Jim Kardach于1997年提出用Bluetooth这个...