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How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
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How to scale SVG image to fill browser window?
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MySQL Update Inner Join tables query
...char(255), mapy varchar(255)) engine=innodb;
Query OK, 0 rows affected (0.01 sec)
mysql> create table business_geocode (business_geocode_id int unsigned primary key auto_increment, business_id int unsigned not null, latitude varchar(255) not null, longitude varchar(255) not null, foreign key (bu...
How to reshape data from long to wide format
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How do I achieve the theoretical maximum of 4 FLOPs per cycle?
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I've done this exact task before. But it was mainly to measure power consumption and CPU temperatures. The following code (which is ...
Why does Lua have no “continue” statement?
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Gradients on UIView and UILabels On iPhone [duplicate]
...lnerKendall Helmstetter Gelner
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Find element's index in pandas Series
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How to create a sequence of integers in C#?
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You can use Enumerable.Range(0, 10);. Example:
var seq = Enumerable.Range(0, 10);
MSDN page here.
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How do I create test and train samples from one dataframe with pandas?
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I would just use 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]:...