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Principal component analysis in Python
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Auto Scale TextView Text to Fit within Bounds
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Get battery level and state in Android
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Enable 'xp_cmdshell' SQL Server
... of the xp_cmdshell MSDN docs:
http://msdn.microsoft.com/en-us/library/ms190693.aspx:
-- To allow advanced options to be changed.
EXEC sp_configure 'show advanced options', 1
GO
-- To update the currently configured value for advanced options.
RECONFIGURE
GO
-- To enable the feature.
EXEC sp_conf...
C/C++ macro string concatenation
Is it possible to concatenate have STR3 == "s1"?
You can do this by passing args to another Macro function. But is there a direct way?
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NGINX to reverse proxy websockets AND enable SSL (wss://)?
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Just to note that nginx has now support for Websockets on the release 1.3.13. Example of use:
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Ruby: Calling class method from instance
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answered Mar 27 '10 at 2:33
Mark RushakoffMark Rushakoff
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How to print a dictionary line by line in Python?
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App Inventor 2 动态图表教程 - ECharts与Chart组件实现实时曲线图 · App Inventor 2 中文网
... 功能需求
积木块代码
常见问题
Q1: Chart组件数据多了会卡顿？
Q2: ECharts图表在WebView中显示不全？
Q3: 如何实现饼图/柱状图？
Q4: 图表可以导出为图片吗？
总结
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Is it possible to GROUP BY multiple columns using MySQL?
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GROUP BY col1, col2, col3
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