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Cannot make a static reference to the non-static method
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answered Feb 11 '11 at 12:51
Preet SanghaPreet Sangha
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How to solve the “failed to lazily initialize a collection of role” Hibernate exception
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edited May 23 '17 at 12:34
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answered Jul 31 '12 at 18:33
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Calling a function within a Class method?
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answered Nov 12 '09 at 20:38
Sergey KuznetsovSergey Kuznetsov
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Difference between the 'controller', 'link' and 'compile' functions when defining a directive
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edited May 23 '17 at 12:10
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answered Sep 24 '12 at 17:34
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How do I create test and train samples from one dataframe with pandas?
...e numpy's randn:
In [11]: df = pd.DataFrame(np.random.randn(100, 2))
In [12]: msk = np.random.rand(len(df)) < 0.8
In [13]: train = df[msk]
In [14]: test = df[~msk]
And just to see this has worked:
In [15]: len(test)
Out[15]: 21
In [16]: len(train)
Out[16]: 79
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How to try convert a string to a Guid [duplicate]
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answered Jan 16 '13 at 12:35
BehroozBehrooz
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How to change Android version and code version number?
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answered Nov 11 '14 at 12:55
Ivo StoyanovIvo Stoyanov
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How to make “if not true condition”?
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answered May 11 '12 at 13:54
shelltershellter
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What is the dual table in Oracle?
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Sean McMainsSean McMains
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Proper use of beginBackgroundTaskWithExpirationHandler
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answered Apr 25 '12 at 16:23
Ashley MillsAshley Mills
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