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How do I convert a pandas Series or index to a Numpy array? [duplicate]
...stead, use to_numpy(copy=True);
v = df.index.to_numpy(copy=True)
v[-1] = -123
df
A B
a 1 2
b 4 5
Note that this function also works for DataFrames (while .array does not).
array Attribute
This attribute returns an ExtensionArray object that backs the Index/Series.
pd.__version__
# ...
How can I find the number of arguments of a Python function?
... get defaults=(None,) you get defaults=None.
– Seanny123
Jul 4 '18 at 16:42
si there a way to get the original paramet...
What is the exact problem with multiple inheritance?
...
The most obvious problem is with function overriding.
Let's say have two classes A and B, both of which define a method doSomething. Now you define a third class C, which inherits from both A and B, but you don't override the doSomething method.
When the c...
No Multiline Lambda in Python: Why not?
...und is to make a braces expression:
lambda: (
doFoo('abc'),
doBar(123),
doBaz())
It won't accept any assignments though, so you'll have to prepare data beforehand.
The place I found this useful is the PySide wrapper, where you sometimes have short callbacks. Writing additional member ...
What to use as an initial version? [closed]
...ackage.json will behave different. docs.npmjs.com/misc/semver#caret-ranges-123-025-004 You can use 0.x instead of ^0. in package json for this scenario. Therefore, 1.x is a bit more easy to start and use.
– Sam
Mar 30 at 11:23
...
Why can't the tag contain a tag inside it?
... authoritative documents we have for things like this, because they aren't fun to read. +1 for actually reading them, understanding them, and using them to answer questions.
– Stoutie
Oct 2 '12 at 17:18
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How to compare type of an object in Python?
...1" instead of "Nope". How to get around this ?
– dig_123
Dec 14 '14 at 11:04
...
Can we make unsigned byte in Java
... // 8 bits representing that value
// From unsigned byte to int
byte b = 123; // 8 bits representing a value between 0 and 255
int i = b & 0xFF; // an int representing the same value
(Or, if you're on Java 8+, use Byte.toUnsignedInt.)
Parsing / formatting
Best ...
Generating random integer from a range
I need a function which would generate a random integer in given range (including border values). I don't unreasonable quality/randomness requirements, I have four requirements:
...
Where is the itoa function in Linux?
... not very safe at all :- void some_func(char* a, char* b); some_func(itoa(123), itoa(456)); Care to guess what the function recieves?
– jcoder
Nov 13 '12 at 12:55
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