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“Too many values to unpack” Exception
...t+'"}'; although all the values are string, it gives me error, I run it on python prompt it is running, but while taking response from web it gives me this exception. can you please suggest whats going wrong.
– MegaBytes
Jan 10 '15 at 8:03
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What is the difference between NaN and None?
...y opinion, to be the best decision given the state of affairs in NumPy and Python in general. The special value NaN (Not-A-Number) is used everywhere as the NA value, and there are API functions isnull and notnull which can be used across the dtypes to detect NA values.
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Thus, I have chosen t...
if else in a list comprehension [duplicate]
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@shihon When 'link' in links.keys() is False, a Python list comprehension skips over the expression to add {'albums': links['link']} to the list. Your code expanded would behave the same way as [x+1 for x in l if x >= 45] in my answer above.
– arbo...
How do I disable log messages from the Requests library?
By default, the Requests python library writes log messages to the console, along the lines of:
12 Answers
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0.1 float is greater than 0.1 double. I expected it to be false [duplicate]
... greater.
Here's what the double precision value gets rounded to (using a Python interpreter):
>>> "%.55f" % 0.1
'0.1000000000000000055511151231257827021181583404541015625'
And here's the single precision value:
>>> "%.55f" % numpy.float32("0.1")
'0.100000001490116119384765625...
How to get the last day of the month?
Is there a way using Python's standard library to easily determine (i.e. one function call) the last day of a given month?
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What is stdClass in PHP?
...ass is PHP's generic empty class, kind of like Object in Java or object in Python (Edit: but not actually used as universal base class; thanks @Ciaran for pointing this out).
It is useful for anonymous objects, dynamic properties, etc.
An easy way to consider the StdClass is as an alternative to ...
C++使用OLE/COM高速读写EXCEL的源码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ks对象
源Excel：
生成的结果Excel：
5、工程源码下载：ExcelDemo.zip
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partial string formatting
...test and most readable solution, but also describes the coder's intention. Python3 version: python from functool import partial s = "{foo} {bar}".format s_foo = partial(s, foo="FOO") print(s_foo(bar="BAR")) # FOO BAR print(s(foo="FOO", bar="BAR")) # FOO BAR
– Paul Brown
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class method generates “TypeError: … got multiple values for keyword argument …”
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The problem is that the first argument passed to class methods in python is always a copy of the class instance on which the method is called, typically labelled self. If the class is declared thus:
class foo(object):
def foodo(self, thing=None, thong='not underwear'):
print thing if...