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Extract traceback info from an exception object
...to this question depends on the version of Python you're using.
In Python 3
It's simple: exceptions come equipped with a __traceback__ attribute that contains the traceback. This attribute is also writable, and can be conveniently set using the with_traceback method of exceptions:
raise Exceptio...
What does the slash mean in help() output?
What does the / mean in Python 3.4's help output for range before the closing parenthesis?
3 Answers
...
How to use glob() to find files recursively?
...lib.Path.rglob from the the pathlib module, which was introduced in Python 3.5.
from pathlib import Path
for path in Path('src').rglob('*.c'):
print(path.name)
If you don't want to use pathlib, use can use glob.glob('**/*.c'), but don't forget to pass in the recursive keyword parameter and it ...
What's the difference between VARCHAR and CHAR?
...
372
VARCHAR is variable-length.
CHAR is fixed length.
If your content is a fixed size, you'll ge...
how to convert array values from string to int?
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edited Apr 23 '19 at 10:46
Rahul
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a...
Group by multiple columns in dplyr, using string vector input
...e so:
data = data.frame(
asihckhdoydkhxiydfgfTgdsx = sample(LETTERS[1:3], 100, replace=TRUE),
a30mvxigxkghc5cdsvxvyv0ja = sample(LETTERS[1:3], 100, replace=TRUE),
value = rnorm(100)
)
# get the columns we want to average within
columns = names(data)[-3]
library(dplyr)
df1 <- data %...
Create Pandas DataFrame from a string
...
538
A simple way to do this is to use StringIO.StringIO (python2) or io.StringIO (python3) and pass...
How can I convert comma separated string into a List
...inkenlight
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11
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What's the difference between `raw_input()` and `input()` in Python 3?
What is the difference between raw_input() and input() in Python 3?
6 Answers
6
...
Looping through a hash, or using an array in PowerShell
... property. Here is an example how:
$hash = @{
a = 1
b = 2
c = 3
}
$hash.Keys | % { "key = $_ , value = " + $hash.Item($_) }
Output:
key = c , value = 3
key = a , value = 1
key = b , value = 2
share
...