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How can I check if a string represents an int, without using try/except?
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If you're really just annoyed at using try/excepts all over the place, please just write a helper function:
def RepresentsInt(s):
try:
int(s)
return True
except ValueError:
return False
>>> pri...
Why do people hate SQL cursors so much? [closed]
...lots and lots of cursors. Defeating an RDBMS optimization. And running really slowly.
Simple SQL rewrites to replace nested cursor loops with joins and a single, flat cursor loop can make programs run in 100th the time. [They thought I was the god of optimization. All I did was replace nested l...
vertical & horizontal lines in matplotlib
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matplotlib.org/api/pyplot_api.html#matplotlib.pyplot.axhline <- documentation. You should edit your answer to include this link
– tacaswell
Jun 5 '13 at 4:06
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Defining private module functions in python
...s, a simple #define private public line before #includeing your .h file is all it takes for wily coders to make hash of your "privacy"...!-))
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Importing a CSV file into a sqlite3 database table using Python
...lumn headers in the csv file. And close the connection to the database by calling con.close() at the end.
– Jonas
Aug 8 '16 at 21:31
1
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Attaching click event to a JQuery object not yet added to the DOM [duplicate]
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Ok I thought so. The checkbox is added dynamically after an ajax call to the server, which responds with the info required to create it. I've done what you suggested and manipulated it after the input was added to the DOM.
– James Wierzba
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How to process SIGTERM signal gracefully?
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@Mausy5043 Python allows you to not have parenthesis for defining classes. Although it's perfectly fine for python 3.x, but for python 2.x, best practice is to use "class XYZ(object):". Reason being: docs.python.org/2/reference/datamodel.html#...
Pandas - How to flatten a hierarchical index in columns
..., but leaves behind column names which are difficult to access programmatically and are not queriable
– dmeu
Jun 29 '17 at 8:53
1
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How to create a custom string representation for a class object?
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@RobertSiemer Why? While his answer is not specifically targeting the OP's question, it's still helpful. It helped me. And at a glance, I don't see any question asking for instance implementation. So probably people land on this page first.
– akinuri
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How to get all Errors from ASP.Net MVC modelState?
I want to get all the error messages out of the modelState without knowing the key values. Looping through to grab all the error messages that the ModelState contains.
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