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Default value of BOOL
...L ivar, it will be initialized to NO, as the whole instance is filled with 0 on initialization.
(Note: When ARC is enabled, local object pointers will always be have a default value nil, but local variables of non-object types like BOOL are still initialized to garbage. See Local variables set to n...
how to listen to N channels? (dynamic select statement)
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edited Feb 29 at 11:09
Zac
31744 silver badges1313 bronze badges
answered Nov 15 '13 at 2:37
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Mocking a class: Mock() or patch()?
...MyClass(object):
... def __init__(self):
... print 'Created MyClass@{0}'.format(id(self))
...
>>> def create_instance():
... return MyClass()
...
>>> x = create_instance()
Created MyClass@4299548304
>>>
>>> @mock.patch('__main__.MyClass')
... def create...
jQuery changing style of HTML element
...ntax ;)
– cladelpino
Aug 7 '18 at 6:07
camel case also works so you can use .css({backgroundColor: "#fff"}) - PS i hat...
How to go up a level in the src path of a URL in HTML?
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lonesomedaylonesomeday
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“continue” in cursor.forEach()
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edited Aug 27 '13 at 0:40
answered Aug 26 '13 at 21:08
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Is there a ternary conditional operator in T-SQL?
...ase:
select *
from table
where isExternal = case @type when 2 then 1 else 0 end
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Which timestamp type should I choose in a PostgreSQL database?
... a user’s time zone as a user preference (e.g. America/Los_Angeles, not -0700).
Have user events/time data submitted local to their frame of reference (most likely an offset from UTC, such as -0700).
In application, convert the time to UTC and stored using a TIMESTAMP WITH TIME ZONE column.
Return...
Python xml ElementTree from a string source?
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answered Mar 15 '09 at 1:36
Jim H.Jim H.
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Why do you need to create a cursor when querying a sqlite database?
...but also to identify a row in a table to be updated or
deleted. The SQL:2003 standard defines positioned update and
positioned delete SQL statements for that purpose. Such statements do
not use a regular WHERE clause with predicates. Instead, a cursor
identifies the row. The cursor must be o...