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Read a zipped file as a pandas DataFrame
I'm trying to unzip a csv file and pass it into pandas so I can work on the file.
The code I have tried so far is:
5 Ans...
In Python, when should I use a function instead of a method?
... is this - is the operation performed on the object or by the object?
if it is done by the object, it should be a member operation. If it could apply to other things too, or is done by something else to the object then it should be a function (or perhaps a member of something else).
When introduc...
How to extract a substring using regex
I have a string that has two single quotes in it, the ' character. In between the single quotes is the data I want.
13 An...
Python: finding an element in a list [duplicate]
...ng like:
def __eq__(self, other):
return self.Value == other.Value
with any special processing you need.
You can also use a for/in statement with enumerate(arr)
Example of finding the index of an item that has value > 100.
for index, item in enumerate(arr):
if item > 100:
...
pyplot axes labels for subplots
...ls
ax.set_xlabel('common xlabel')
ax.set_ylabel('common ylabel')
ax1.set_title('ax1 title')
ax2.set_title('ax2 title')
plt.savefig('common_labels.png', dpi=300)
Another way is using fig.text() to set the locations of the common labels directly.
import random
import matplotlib.pyplot as plt
x...
PowerShell equivalent to grep -f
... Also, PowerShell tab completion will make commands properly capitalized, so it is not hard to input.
– joon
Jan 2 '14 at 3:36
3
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How to set radio button checked as default in radiogroup?
...YourButton)
Of course you first have to set an Id to your radiobuttons
EDIT: i forgot, radioButton.getId() works as well, thx Ramesh
EDIT2:
android:checkedButton="@+id/my_radiobtn"
works in radiogroup xml
share
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How to get UILabel to respond to tap?
I have discovered that I can create UILabel much faster than UITextField and I plan to use UILabel most of the time for my data display app.
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How to keep environment variables when using sudo
When I use any command with sudo the environment variables are not there. For example after setting HTTP_PROXY the command wget works fine without sudo . However if I type sudo wget it says it can't bypass the proxy setting.
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Pick a random element from an array
...approach is a built-in method on the Collection protocol: randomElement(). It returns an optional to avoid the empty case I assumed against previously.
let array = ["Frodo", "Sam", "Wise", "Gamgee"]
print(array.randomElement()!) // Using ! knowing I have array.count > 0
If you don't create the...