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How do I make curl ignore the proxy?
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edited Dec 1 '14 at 22:09
Petah
41.4k2626 gold badges147147 silver badges199199 bronze badges
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cartesian product in pandas
...port DataFrame, merge
df1 = DataFrame({'key':[1,1], 'col1':[1,2],'col2':[3,4]})
df2 = DataFrame({'key':[1,1], 'col3':[5,6]})
merge(df1, df2,on='key')[['col1', 'col2', 'col3']]
Output:
col1 col2 col3
0 1 3 5
1 1 3 6
2 2 4 5
3 2 4 6
See here f...
Very slow compile times on Visual Studio 2005
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34 Answers
34
Active
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What is the difference between join and merge in Pandas?
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94
I always use join on indices:
import pandas as pd
left = pd.DataFrame({'key': ['foo', 'bar'], '...
Why are empty strings returned in split() results?
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184
str.split complements str.join, so
"/".join(['', 'segment', 'segment', ''])
gets you back the...
How to get all registered routes in Express?
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24 Answers
24
Active
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What can you do in MSIL that you cannot do in C# or VB.NET? [closed]
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34
MSIL allows for overloads which differ only in return types because of
call void [mscorlib]Syst...
Changing one character in a string
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answered Aug 4 '09 at 16:41
scvalexscvalex
12.7k22 gold badges3131 silver badges4242 bronze badges
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How to prettyprint a JSON file?
...arsed = json.loads(your_json)
>>> print(json.dumps(parsed, indent=4, sort_keys=True))
[
"foo",
{
"bar": [
"baz",
null,
1.0,
2
]
}
]
To parse a file, use json.load():
with open('filename.txt', 'r') as handle:
...
Python csv string to array
...rt StringIO
import csv
scsv = """text,with,Polish,non-Latin,letters
1,2,3,4,5,6
a,b,c,d,e,f
gęś,zółty,wąż,idzie,wąską,dróżką,
"""
f = StringIO(scsv)
reader = csv.reader(f, delimiter=',')
for row in reader:
print('\t'.join(row))
simpler version with split() on newlines:
reader = c...