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Converting a column within pandas dataframe from int to string
...t('AB'))
In [17]: df
Out[17]:
A B
0 0 1
1 2 3
2 4 5
3 6 7
4 8 9
In [18]: df.dtypes
Out[18]:
A int64
B int64
dtype: object
Convert a series
In [19]: df['A'].apply(str)
Out[19]:
0 0
1 2
2 4
3 6
4 8
Name: A, dtype: object
In [20]: df['A'].apply(str)[0]
Out[...
Regex, every non-alphanumeric character except white space or colon
...al" Latin characters.
– damian
Jan 18 '16 at 8:18
\d and \s are Perl extensions which are typically not supported by o...
Is there a function to deselect all text using JavaScript?
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edited Feb 23 '18 at 0:10
John
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answe...
How to format Joda-Time DateTime to only mm/dd/yyyy?
I have a string " 11/15/2013 08:00:00 ", I want to format it to " 11/15/2013 ", what is the correct DateTimeFormatter pattern?
...
How can I echo HTML in PHP?
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answered Jul 8 '09 at 20:36
Chris BierChris Bier
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Why are Python lambdas useful? [closed]
...tuff. Example:
mult3 = filter(lambda x: x % 3 == 0, [1, 2, 3, 4, 5, 6, 7, 8, 9])
sets mult3 to [3, 6, 9], those elements of the original list that are multiples of 3. This is shorter (and, one could argue, clearer) than
def filterfunc(x):
return x % 3 == 0
mult3 = filter(filterfunc, [1, 2, 3...
Iterating Through a Dictionary in Swift
...rs = [
"Prime": [2, 3, 5, 7, 11, 13],
"Fibonacci": [1, 1, 2, 3, 5, 8],
"Square": [1, 4, 9, 16, 25]
]
var largest = 0
for (kind, numbers) in interestingNumbers {
println("kind: \(kind)")
for number in numbers {
if number > largest {
largest = number
...
How to use `subprocess` command with pipes
...
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Pass a data.frame column name to a function
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ShaneShane
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Extract substring using regexp in plain bash
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Yangshun Tay
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answered Nov 14 '12 at 4:54
Gilles QuenotGilles Quenot
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