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Elegant Python function to convert CamelCase to snake_case?
...more):
def camel_to_snake(name):
name = re.sub('(.)([A-Z][a-z]+)', r'\1_\2', name)
return re.sub('([a-z0-9])([A-Z])', r'\1_\2', name).lower()
print(camel_to_snake('camel2_camel2_case')) # camel2_camel2_case
print(camel_to_snake('getHTTPResponseCode')) # get_http_response_code
print(camel_to_s...
A fast method to round a double to a 32-bit int explained
... source code, I noticed that Lua uses a macro to round a double to a 32-bit int . I extracted the macro , and it looks like this:
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Pickle incompatibility of numpy arrays between Python 2 and 3
I am trying to load the MNIST dataset linked here in Python 3.2 using this program:
7 Answers
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When should I use cross apply over inner join?
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682
Can anyone give me a good example of when CROSS APPLY makes a difference in those cases where...
how to concatenate two dictionaries to create a new one in Python? [duplicate]
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279
Slowest and doesn't work in Python3: concatenate the items and call dict on the resulting lis...
BaseException.message deprecated in Python 2.6
I get a warning that BaseException.message is deprecated in Python 2.6 when I use the following user-defined exception:
8 A...
将 App Inventor 2 项目连接到外部传感器 · App Inventor 2 中文网
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将 App Inventor 2 项目连接到外部传感器
Note: This report describes work carried out in Spring 2014 for an Undergraduate A...
PostgreSQL Crosstab Query
...rd SQL
);
INSERT INTO tbl VALUES
('A', 'Active', 1), ('A', 'Inactive', 2)
, ('B', 'Active', 4), ('B', 'Inactive', 5)
, ('C', 'Inactive', 7); -- ('C', 'Active') is missing
Simple form - not fit for missing attributes
crosstab(text) with 1 input parameter:
SELECT *
FROM ...