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Random record from MongoDB
I am looking to get a random record from a huge (100 million record) mongodb .
26 Answers
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How can I plot separate Pandas DataFrames as subplots?
...yplot as plt
fig, axes = plt.subplots(nrows=2, ncols=2)
df1.plot(ax=axes[0,0])
df2.plot(ax=axes[0,1])
...
Here axes is an array which holds the different subplot axes, and you can access one just by indexing axes.
If you want a shared x-axis, then you can provide sharex=True to plt.subplots.
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How does the Java 'for each' loop work?
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Sotirios Delimanolis
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answered Sep 17 '08 at 16:46
nsayernsayer
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Mocking a class: Mock() or patch()?
...MyClass(object):
... def __init__(self):
... print 'Created MyClass@{0}'.format(id(self))
...
>>> def create_instance():
... return MyClass()
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>>> x = create_instance()
Created MyClass@4299548304
>>>
>>> @mock.patch('__main__.MyClass')
... def create...
Using the Underscore module with Node.js
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answered Apr 17 '11 at 10:07
Mike ScottMike Scott
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How to extract a string using JavaScript Regex?
... of the
whole input string)
Also put the * in the right place:
"DATE:20091201T220000\r\nSUMMARY:Dad's birthday".match(/^SUMMARY\:(.*)$/gm);
//------------------------------------------------------------------^ ^
//-----------------------------------------------------------------------|
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presentModalViewController:Animated is deprecated in ios6
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answered Apr 8 '13 at 8:03
VishalVishal
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How do I resolve the “java.net.BindException: Address already in use: JVM_Bind” error?
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edited Oct 30 '13 at 17:34
informatik01
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App Inventor 2 天气预报App开发 - 第三方API接入的通用方法 · App Inventor 2 中文网
...l -L -X GET --compressed 'https://api.qweather.com/v7/weather/7d?location=101010100&key=YOUR_KEY'
第三方API的调用
使用”Web客户端“组件调用第三方API，代码如下：
JSON结果的解析
请求成功返回JSON示例
{
"code": "200",
"updateTime": "2021-11-15T16:35+08:...
How can I create a copy of an object in Python?
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Sven MarnachSven Marnach
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