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python Programming Glossary: returnedWhat is different between all these OpenCV Python interfaces? http://stackoverflow.com/questions/10417108/what-is-different-between-all-these-opencv-python-interfaces cvSetImageROI . If you find contours cvSeq structures are returned which is not so good to work with compared to Python lists or.. it. cv2 And the latest one is cv2 . In this everything is returned as NumPy objects like ndarray and native Python objects like.. library. For example if you load an image an ndarray is returned. array i j gives you the pixel value at i j position. Also for..
Local variables in Python nested functions http://stackoverflow.com/questions/12423614/local-variables-in-python-nested-functions value 'cat' . Thus when you call each of the dynamically returned functions you get the value 'cat' printed. The work around is..
Loop “Forgets” to Remove Some Items http://stackoverflow.com/questions/17299581/loop-forgets-to-remove-some-items ok but when I run it the sample text Hey look Words is returned as Hy lk Words . It forgets to remove the last 'o'. How can..
The Python yield keyword explained http://stackoverflow.com/questions/231767/the-python-yield-keyword-explained when the method _get_child_candidates is called A list is returned A single element is returned Is it called again When subsequent.. is called A list is returned A single element is returned Is it called again When subsequent calls do stop The code comes..
Is False == 0 and True == 1 in Python an implementation detail or is it guaranteed by the language? http://stackoverflow.com/questions/2764017/is-false-0-and-true-1-in-python-an-implementation-detail-or-is-it-guarante happens boolean True and boolean False are still properly returned for comparisons. In Python 3.x True and False are keywords and.. when converted to a string the strings False or True are returned respectively. So booleans are explicitly considered as integers..
What do *args and **kwargs mean? [duplicate] http://stackoverflow.com/questions/287085/what-do-args-and-kwargs-mean For example if you wanted to write a function that returned the sum of all its arguments no matter how many you supply you..
Django equivalent for count and group by http://stackoverflow.com/questions/327807/django-equivalent-for-count-and-group-by 'category_id' If you then iterate over query_set each returned value will be a dictionary with a category key and a count key...
How can I merge (union) two Python dictionaries in a single expression? http://stackoverflow.com/questions/38987/how-can-i-merge-union-two-python-dictionaries-in-a-single-expression merged. The update method would be what I need if it returned its result instead of modifying a dict in place. x 'a' 1 'b'..
Ternary conditional operator in Python http://stackoverflow.com/questions/394809/ternary-conditional-operator-in-python test else b First test is evaluated then either a or b is returned based on the Boolean value of test if test evaluates to True.. the Boolean value of test if test evaluates to True a is returned else b is returned. For example 'true' if True else 'false'.. of test if test evaluates to True a is returned else b is returned. For example 'true' if True else 'false' 'true' 'true' if False..
Open document with default application in Python http://stackoverflow.com/questions/434597/open-document-with-default-application-in-python terminated by signal retcode else print sys.stderr Child returned retcode except OSError e print sys.stderr Execution failed e..
How do I determine the size of an object in Python? http://stackoverflow.com/questions/449560/how-do-i-determine-the-size-of-an-object-in-python default argument allows to define a value which will be returned if the object type does not provide means to retrieve the size..
Running shell command from python and capturing the output http://stackoverflow.com/questions/4760215/running-shell-command-from-python-and-capturing-the-output that will ensure that error messages are included in the returned output. See here for documentation. Also although Vartec's method..
Python read a single character from the user http://stackoverflow.com/questions/510357/python-read-a-single-character-from-the-user For instance they press one key at the terminal and it is returned. Sort of like getch . I know that there is a function in windows..
using pyodbc on ubuntu to insert a image field on SQL Server http://stackoverflow.com/questions/1060035/using-pyodbc-on-ubuntu-to-insert-a-image-field-on-sql-server result 0 # transforming buffer object print 'Original d Returned d' len data len returned_data assert data returned_data However.. data returned_data However that fails Original 4744611 Returned 4096 Traceback most recent call last File home nosklo devel.. cur.fetchone returned_data str result 0 print 'Original d Returned d' len data len returned_data assert data returned_data share..
Create and call python function from string via C API http://stackoverflow.com/questions/3789881/create-and-call-python-function-from-string-via-c-api PyObject_CallObject pFunc pArgs Py_DECREF pArgs printf Returned val ld n PyInt_AsLong pValue Py_DECREF pValue Py_XDECREF pFunc.. PyObject_CallObject pFunc pArgs Py_DECREF pArgs printf Returned val ld n PyInt_AsLong pValue Py_DECREF pValue Py_XDECREF pFunc..
Linux: Pipe into Python (ncurses) script, stdin and termios http://stackoverflow.com/questions/3999114/linux-pipe-into-python-ncurses-script-stdin-and-termios data as a string and deal with it in a uniform manner. Returned object is guaranteed to have all the basic stdio read methods..
AppEngine: Query datastore for records with <missing> value http://stackoverflow.com/questions/598605/appengine-query-datastore-for-records-with-missing-value for it and Entities Without a Filtered Property Are Never Returned by a Query. So it is not possible to write a query for these..
In Python, How Do You Filter a String Such That Only Characters in Your List Are Returned? http://stackoverflow.com/questions/870520/in-python-how-do-you-filter-a-string-such-that-only-characters-in-your-list-are Filter a String Such That Only Characters in Your List Are Returned Imagine a string like 'Agh# # 2341 zdrkfd' and I only wish..
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