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Assign pandas dataframe column dtypes
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Since 0.17, you have to use the explicit conversions:
pd.to_datetime, pd.to_timedelta and pd.to_numeric
(As mentioned below, no more "magic", convert_objects has been deprecated in 0.17)
df = pd.DataFrame({'x': {0: 'a', 1: 'b'}, ...
How can I get a list of locally installed Python modules?
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+100
Solution
Do not use with pip > 10.0!
My 50 cents for getting a pip freeze-like list from a Python script:
import pip
installed...
Grid of responsive squares
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417
You can make responsive grid of squares with verticaly and horizontaly centered content only wi...
Why does ('0' ? 'a' : 'b') behave different than ('0' == true ? 'a' : 'b') [duplicate]
...ons will take place here. We can follow this in the specification, section 11.9.3, The Abstract Equality Comparison Algorithm.
The operands are denoted as x and y (x == y).
In our case, x is a string ('0') and y is a Boolean (true). Hence step 7 is executed:
If Type(y) is Boolean, return the ...
Mysql adding user for remote access
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381
In order to connect remotely you have to have MySQL bind port 3306 to your machine's IP address ...
Find the most frequent number in a numpy vector
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12 Answers
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How do I get Month and Date of JavaScript in 2 digit format?
...tDate()).slice(-2)
for the date, and similar:
("0" + (this.getMonth() + 1)).slice(-2)
for the month.
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Is there an equivalent of 'which' on the Windows command line?
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edited Feb 8 '16 at 7:39
rogerdpack
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How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
... = A + B log x, just fit y against (log x).
>>> x = numpy.array([1, 7, 20, 50, 79])
>>> y = numpy.array([10, 19, 30, 35, 51])
>>> numpy.polyfit(numpy.log(x), y, 1)
array([ 8.46295607, 6.61867463])
# y ≈ 8.46 log(x) + 6.62
For fitting y = AeBx, take the logarithm of...
How do I create a list of random numbers without duplicates?
I tried using random.randint(0, 100) , but some numbers were the same. Is there a method/module to create a list unique random numbers?
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