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How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
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Sorry, this is Python instead of C#, but at least the results are correct:
def ColIdxToXlName(idx):
if idx < 1:
raise ValueError("Index is too small")
result = ""
while True:
if idx > 26:
idx, ...
Passing a list of kwargs?
...ethod(keyword1='foo', keyword2='bar')
method(**keywords)
Running this in Python confirms these produce identical results:
{'keyword2': 'bar', 'keyword1': 'foo'}
{'keyword2': 'bar', 'keyword1': 'foo'}
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How to access object attribute given string corresponding to name of that attribute
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Note: This answer is very outdated. It applies to Python 2 using the new module that was deprecated in 2008.
There is python built in functions setattr and getattr. Which can used to set and get the attribute of an class.
A brief example:
>>> from new import classo...
Regular expression to match a dot
...est.this" from "blah blah blah test.this@gmail.com blah blah" is? Using Python.
6 Answers
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解决Scrapy警告:You do not have a working installation of the service_i...
...要安装一个模块service_identity，根据提示地址（https: pypi python org pypi service_identity）来安装 使用scrapy进行爬虫项目的操作时，出现如下错误：
从提示错误来看，我们需要安装一个模块service_identity，根据提示地址（https://pypi.py...
Public free web services for testing soap client [closed]
... available SOAP 1.2 / WSDL 2.0 compliant free web services for testing a Python based soap client library (e.g. Zolera SOAP Infrastructure )?
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How can I account for period (AM/PM) using strftime?
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The Python time.strftime docs say:
When used with the strptime() function, the %p directive only
affects the output hour field if the %I directive is used to parse
the hour.
Sure enough, changing your %H to %I makes it ...
Make a bucket public in Amazon S3 [closed]
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To support anonymous access through python's boto, in addition to setting this policy, I also had to grant List privilege to Everyone in the Properties > Permissions section of the bucket.
– Chris Betti
Jul 7 '15 at 19:...
Extract every nth element of a vector
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I hate to compare Python with R, but how great could PyRon be? a = 1:120; b = [::6]. Python can't do the former, R not the latter.
– bers
Jul 29 at 10:56
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How to test if a dictionary contains a specific key? [duplicate]
...x
and a quick search reveals some nice information about it: http://docs.python.org/3/tutorial/datastructures.html#dictionaries
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