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Finding last occurrence of substring in string, replacing that
... the parameter is omitted the function will give an error (tried in Python 2.7). I would suggest either remove the default value, set it to -1 (for unlimited replacements) or better make it replacements=1 (which I think should be the default behaviour for this particular function according to what t...
subtract two times in python
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using python 2.7, I don't have combine method in my datetime module: AttributeError: 'module' object has no attribute 'combine'
– mtoloo
Jul 28 '16 at 12:32
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Format numbers to strings in Python
...m" if hours > 12 else "am"}'
or the str.format function starting with 2.7:
"{:02}:{:02}:{:02} {}".format(hours, minutes, seconds, "pm" if hours > 12 else "am")
or the string formatting % operator for even older versions of Python, but see the note in the docs:
"%02d:%02d:%02d" % (hours, ...
DataSet panel (Report Data) in SSRS designer is gone
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I found that rdl file has to be selected and active in main workspace area for Report Data to be available in View dropdown. If report is selected in solution explorer only Report Data will remain hidden.
– Bartosz
Apr 15 '15 at 9:40
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Unzipping files in Python
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ZipFile also works as a context manager in 2.7 or later: docs.python.org/2/library/zipfile.html#zipfile.ZipFile
– FelixEnescu
Jan 22 '17 at 15:01
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Extract date (yyyy/mm/dd) from a timestamp in PostgreSQL
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This works for me in python 2.7
select some_date::DATE from some_table;
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Accessing class variables from a list comprehension in the class definition
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Python 2.x uses inline bytecode there instead, here is output from Python 2.7:
2 0 LOAD_NAME 0 (__name__)
3 STORE_NAME 1 (__module__)
3 6 LOAD_CONST 0 (5)
9 STORE_NAME 2 (x)
4 ...
How to disable python warnings
...can also define an environment variable (new feature in 2010 - i.e. python 2.7)
export PYTHONWARNINGS="ignore"
Test like this: Default
$ export PYTHONWARNINGS="default"
$ python
>>> import warnings
>>> warnings.warn('my warning')
__main__:1: UserWarning: my warning
>>>...
Currency formatting in Python
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New in 2.7
>>> '{:20,.2f}'.format(18446744073709551616.0)
'18,446,744,073,709,551,616.00'
http://docs.python.org/dev/whatsnew/2.7.html#pep-0378
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How can I selectively escape percent (%) in Python strings?
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@Zenadix This is true in Python 2.7 as well
– Tom
Dec 15 '15 at 18:17
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