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How to DROP multiple columns with a single ALTER TABLE statement in SQL Server?
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11 Answers
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List of lists into numpy array
...nacio Vazquez-Abrams will not work. Instead there are at least 3 options:
1) Make an array of arrays:
x=[[1,2],[1,2,3],[1]]
y=numpy.array([numpy.array(xi) for xi in x])
type(y)
>>><type 'numpy.ndarray'>
type(y[0])
>>><type 'numpy.ndarray'>
2) Make an array of lists:...
Painless way to install a new version of R?
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iPhone get SSID without private library
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186
As of iOS 7 or 8, you can do this (need Entitlement for iOS 12+ as shown below):
@import Syst...
Hide Spinner in Input Number - Firefox 29
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531
According to this blog post, you need to set -moz-appearance:textfield; on the input.
input[t...
My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets
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edited Sep 26 '12 at 20:10
leggetter
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a...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...Rotation Detector
Xinyue Deng dengxinyue0420@gmail.com
DRAFT (March 6, 2016): Building extensions requires the App Inventor extensions capability, which is not yet incorporated into the App Inventor release. But you can try some ofary AI2 server.
You can implement the RotationDetector.aix exten...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...Rotation Detector
Xinyue Deng dengxinyue0420@gmail.com
DRAFT (March 6, 2016): Building extensions requires the App Inventor extensions capability, which is not yet incorporated into the App Inventor release. But you can try some ofary AI2 server.
You can implement the RotationDetector.aix exten...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...Rotation Detector
Xinyue Deng dengxinyue0420@gmail.com
DRAFT (March 6, 2016): Building extensions requires the App Inventor extensions capability, which is not yet incorporated into the App Inventor release. But you can try some ofary AI2 server.
You can implement the RotationDetector.aix exten...