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Why does one hot encoding improve machine learning performance?
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edited Jul 3 '14 at 18:35
answered Jul 4 '13 at 12:20
Fre...
Create an index on a huge MySQL production table without table locking
I need to create an index on a ~5M rows MySQL table. It is a production table, and I fear a complete block of everything if I run a CREATE INDEX statement...
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Pandas: create two new columns in a dataframe with values calculated from a pre-existing column
..., 'b': [2,3,4]})
In [4]: df
Out[4]:
a b
0 1 2
1 2 3
2 3 4
In [5]: df["A1"], df["A2"] = zip(*df["a"].map(calculate))
In [6]: df
Out[6]:
a b A1 A2
0 1 2 2 3
1 2 3 4 6
2 3 4 6 9
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How can I set the aspect ratio in matplotlib?
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MySQL Update Inner Join tables query
I have no idea what the problem is. Using MySQL 5.0 I get a compile error when attempting to run the following MySQL update query:
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GoTo Next Iteration in For Loop in java
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352
continue;
continue; key word would start the next iteration upon invocation
For Example
fo...
How can I loop through a List and grab each item?
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Simon WhiteheadSimon Whitehead
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All falsey values in JavaScript
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answered Nov 7 '13 at 15:34
user56reinstatemonica8user56reinstatemonica8
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Referring to a file relative to executing script
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Merlyn Morgan-Graham
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answered Jul 12 '11 at 5:04
Ignacio Vaz...
What is the default value for enum variable?
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answered Feb 11 '11 at 9:58
BoltClock♦BoltClock
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