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Why is a round-trip conversion via a string not safe for a double?
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3 Answers
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How do I override nested NPM dependency versions?
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243
You can use npm shrinkwrap functionality, in order to override any dependency or sub-dependency....
Combine two columns of text in pandas dataframe
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cs95
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answered Oct 15 '13 at 10:09
silvadosilva...
typedef fixed length array
I have to define a 24-bit data type.I am using char[3] to represent the type. Can I typedef char[3] to type24 ? I tried it in a code sample. I put typedef char[3] type24; in my header file. The compiler did not complain about it. But when I defined a function void foo(type24 val) {} in my C...
Insert a row to pandas dataframe
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Just assign row to a particular index, using loc:
df.loc[-1] = [2, 3, 4] # adding a row
df.index = df.index + 1 # shifting index
df = df.sort_index() # sorting by index
And you get, as desired:
A B C
0 2 3 4
1 5 6 7
2 7 8 9
See in Pandas documentation Indexing: Setti...
How to extract the decision rules from scikit-learn decision-tree?
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143
I believe that this answer is more correct than the other answers here:
from sklearn.tree impor...
Can't find @Nullable inside javax.annotation.*
...groupId>com.google.code.findbugs</groupId>
<artifactId>jsr305</artifactId>
<version>3.0.2</version>
</dependency>
and for Gradle:
dependencies {
testImplementation 'com.google.code.findbugs:jsr305:3.0.2'
}
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Which is better, number(x) or parseFloat(x)?
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318
The difference between parseFloat and Number
parseFloat/parseInt is for parsing a string, whi...
Creating dataframe from a dictionary where entries have different lengths
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134
In Python 3.x:
import pandas as pd
import numpy as np
d = dict( A = np.array([1,2]), B = np.ar...
Truncate number to two decimal places without rounding
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36 Answers
36
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