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Where is the itoa function in Linux?
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102
EDIT: Sorry, I should have remembered that this machine is decidedly non-standard, having plugg...
Replacing blank values (white space) with NaN in pandas
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207
I think df.replace() does the job, since pandas 0.13:
df = pd.DataFrame([
[-0.532681, 'foo...
How do I strip non alphanumeric characters from a string and keep spaces?
...ces to the negated character group:
@search_query = @search_query.gsub(/[^0-9a-z ]/i, '')
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AWK: Access captured group from line pattern
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answered Jun 2 '10 at 12:50
Peter TillemansPeter Tillemans
33k99 gold badges7272 silver badges109109 bronze badges
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How do I create a datetime in Python from milliseconds?
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Just convert it to timestamp
datetime.datetime.fromtimestamp(ms/1000.0)
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Immutable vs Mutable types
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What? Floats are immutable? But can't I do
x = 5.0
x += 7.0
print x # 12.0
Doesn't that "mut" x?
Well you agree strings are immutable right? But you can do the same thing.
s = 'foo'
s += 'bar'
print s # foobar
The value of the variable changes, but it changes by chang...
Adding a new SQL column with a default value
...for the syntax to add a column to a MySQL database with a default value of 0
10 Answers
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How can I format a decimal to always show 2 decimal places?
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108
I suppose you're probably using the Decimal() objects from the decimal module? (If you need exa...
Choosing the default value of an Enum type without having to change values
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The default for an enum (in fact, any value type) is 0 -- even if that is not a valid value for that enum. It cannot be changed.
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How to write Unicode characters to the console?
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203
It's likely that your output encoding is set to ASCII. Try using this before sending output:
C...