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Why is a round-trip conversion via a string not safe for a double?
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178
I found the bug.
.NET does the following in clr\src\vm\comnumber.cpp:
DoubleToNumber(value, ...
how do I insert a column at a specific column index in pandas?
... the beginning
df.insert(loc, column, value)
df = pd.DataFrame({'B': [1, 2, 3], 'C': [4, 5, 6]})
df
Out:
B C
0 1 4
1 2 5
2 3 6
idx = 0
new_col = [7, 8, 9] # can be a list, a Series, an array or a scalar
df.insert(loc=idx, column='A', value=new_col)
df
Out:
A B C
0 7 1 ...
How to make rounded percentages add up to 100%
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17 Answers
17
Active
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Why do some C# lambda expressions compile to static methods?
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153
This is most likely because there are no closures, for example:
int age = 25;
Action<strin...
Getting LaTeX into R Plots
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edited Apr 21 '19 at 19:48
Glorfindel
19k1111 gold badges6262 silver badges8585 bronze badges
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SQL Logic Operator Precedence: And and Or
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And has precedence over Or, so, even if a <=> a1 Or a2
Where a And b
is not the same as
Where a1 Or a2 And b,
because that would be Executed as
Where a1 Or (a2 And b)
and what you want, to make them the same, is the following (using parentheses to override rule...
How to use glOrtho() in OpenGL?
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151
Have a look at this picture: Graphical Projections
The glOrtho command produces an "Oblique"...
Grid of responsive squares
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417
You can make responsive grid of squares with verticaly and horizontaly centered content only wi...
Version number comparison in Python
...ite a cmp -like function which compares two version numbers and returns -1 , 0 , or 1 based on their compared valuses.
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Dictionaries and default values
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edited Jan 23 '19 at 5:30
Solomon Ucko
2,42022 gold badges1212 silver badges2727 bronze badges
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