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How to determine the encoding of text?
..., 'r', encoding='utf-8'), which is more convenient, because codecs doesn't convert \n automatically on reading and writing. More on HERE
– Searene
May 1 '16 at 6:57
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python exception message capturing
...u are incorrect. The statement logging.error('foo %s', str(e)) will always convert e to a string. To achieve what you are afterm you would use logging.error('foo %s', e) - thereby allowing the logging framework to do (or not do) the conversion.
– Ron Dahlgren
J...
How do you determine what SQL Tables have an identity column programmatically
...CTPROPERTY( OBJECT_ID(N'table_name_here'), 'TableHasIdentity')) = 1)
PRINT 'Yes'
ELSE
PRINT 'No'
NOTE: table_name_here should be schema.table, unless the schema is dbo.
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Jquery selector input[type=text]')
...xt],select', '.sys').each(function() {...})
Note: Internally jQuery will convert the above to find() equivalent
http://api.jquery.com/jQuery/
Internally, selector context is implemented with the .find() method,
so $('span', this) is equivalent to $(this).find('span').
I personally find th...
How do I drop a foreign key constraint only if it exists in sql server?
... using the following code but do not know how to do the same with a constraint:
10 Answers
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Progress indicator during pandas operations
...om tqdm.auto import tqdm # for notebooks
df = pd.DataFrame(np.random.randint(0, int(1e8), (10000, 1000)))
# Create and register a new `tqdm` instance with `pandas`
# (can use tqdm_gui, optional kwargs, etc.)
tqdm.pandas()
# Now you can use `progress_apply` instead of `apply`
df.groupby(0).progre...
MIN and MAX in C
...warning: expression with side-effects multiply evaluated by macro at the point of use...
– caf
Aug 9 '10 at 5:28
24
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Truncating floats in Python
...[i, (d+'0'*n)[:n]])
Explanation
The core of the underlying method is to convert the value to a string at full precision and then just chop off everything beyond the desired number of characters. The latter step is easy; it can be done either with string manipulation
i, p, d = s.partition('.')
'....
How do I convert a string to a double in Python?
I would like to know how to convert a string containing digits to a double.
3 Answers
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Convert dmesg timestamp to custom date format
I am trying to understand the dmesg timestamp and find it hard to convert that to change it to java date/custom date format.
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