python Programming Glossary: clause

What happens when you call `if key in dict`

http://stackoverflow.com/questions/13001913/what-happens-when-you-call-if-key-in-dict

in dict . Here's my question When I use that in clause what gets called __hash__ or __eq__ The point of using a dict..

http://stackoverflow.com/questions/1394998/parsing-sql-with-python

tool. For my case I only essentially needed a where clause. I tryed booleneo a boolean expression parser written with pyparsing..

“Large data” work flows using pandas

http://stackoverflow.com/questions/14262433/large-data-work-flows-using-pandas

3 out of the 20 columns in this sub table # and a where clause if you want a subset of the rows # do calculations on this frame..

Differences between isinstance() and type() in python

http://stackoverflow.com/questions/1549801/differences-between-isinstance-and-type-in-python

any other type nicely duck mimicking it and in the except clause try something else using the argument as if it was of some other..

Is `import module` better coding style than `from module import function`?

http://stackoverflow.com/questions/1744258/is-import-module-better-coding-style-than-from-module-import-function

FPIM can often be ameliorated by appropriate use of an as clause. from some.package import mymodulewithalongname as mymod can.. to somethingcompletelydifferent tomorrow the as clause can be used as a single statement to edit. Consider your pro..

What exactly do “u” and “r”string flags in Python, and what are raw string litterals?

http://stackoverflow.com/questions/2081640/what-exactly-do-u-and-rstring-flags-in-python-and-what-are-raw-string-litte

heavy with backslashes but never at the end so the except clause above doesn't matter and it looks a bit better when you avoid.. work fine on Windows too and imperfect due to the except clause above . r'...' is a byte string in Python 2. ru'...' and ur'...'..

Should wildcard import be avoided?

http://stackoverflow.com/questions/3615125/should-wildcard-import-be-avoided

best but not always . BTW I would not use more than one as clause in a single from or import statement could be confusing I'd..

Why do you have to call .iteritems() when iterating over a dictionary in python?

http://stackoverflow.com/questions/3744568/why-do-you-have-to-call-iteritems-when-iterating-over-a-dictionary-in-python

you find it astonishing if one sense of in the loop clause had a completely different meaning from the other the presence..

Testing if a list contains another list with Python

http://stackoverflow.com/questions/3847386/testing-if-a-list-contains-another-list-with-python

One point of interest for newbies is that it uses the else clause on the for statement this is not something I use very often..

Conditional compilation in Python

http://stackoverflow.com/questions/560040/conditional-compilation-in-python

in the current module. You could also use a try except clause to catch name errors but the idiomatic way would be to set a..

is there a pythonic way to try something up to a maximum number of times?

http://stackoverflow.com/questions/567622/is-there-a-pythonic-way-to-try-something-up-to-a-maximum-number-of-times

I could do it by having another attempt in the except clause but that's incredibly ugly and I have a feeling there must be..

imploding a list for use in a python MySQLDB IN clause

http://stackoverflow.com/questions/589284/imploding-a-list-for-use-in-a-python-mysqldb-in-clause

a list for use in a python MySQLDB IN clause I know how to map a list to a string foostring .join map str.. that I can use the following to get that string into an IN clause cursor.execute DELETE FROM foo.bar WHERE baz IN ' s' foostring..

Cyclic module dependencies and relative imports in Python

http://stackoverflow.com/questions/6351805/cyclic-module-dependencies-and-relative-imports-in-python

happen which is the import of the module in the import clause. So again in the OP example we need now to import pkg a.py and..

Why is early return slower than else?

http://stackoverflow.com/questions/8271139/why-is-early-return-slower-than-else

0.3209099769592285 ...or in other words having the else clause is faster regardless of the if condition being triggered or..

Python try-else

http://stackoverflow.com/questions/855759/python-try-else

However Handling Exceptions notes The use of the else clause is better than adding additional code to the try clause because.. clause is better than adding additional code to the try clause because it avoids accidentally catching an exception that wasn..

How do I correctly clean up a Python object?

http://stackoverflow.com/questions/865115/how-do-i-correctly-clean-up-a-python-object

Package using its constructor without using the with clause. You don't want that to happen. You can fix this by creating..