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How to Deal with Temporary NSManagedObject instances?
...e Apple have updated CoreDataBooks, indeed it still uses two contexts, but now the 2nd context is a child of the first. This technique is discussed (and recommended) in WWDC 2011 presentation 303 (what's new in Core Data in iOS) and is mentioned here (with the much, MUCH, simpler code for merging ch...
What's Pros and Cons: putting javascript in head and putting just before the body close
...vas had already been loaded to screen before you attempted to write to it. Now if you put the script in the header it wouldn't draw to the canvas because the canvas isn't there yet. So if you add the listener it'll fire your canvas code AFTER the canvas has been loaded.
– Matth...
Can you help me understand Moq Callback?
...is to be derived
The .Callback mechanism says "I can't describe it right now, but when a call shaped like this happens, call me back and I'll do what needs to be done". As part of the same fluent call chain, you get to control the result to return (if any) via .Returns". In the QS examples, an exa...
How to throw a C++ exception
...pretty important - because it highlights the fact it is a temporary object now - so modification is useless.
– Adrian Cornish
Dec 12 '11 at 21:03
2
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What does O(log n) mean exactly?
...propriate spot in a new, empty phone book.
For the below examples, we're now at the printer's office. Phone books are waiting to be mailed to each resident or business, and there's a sticker on each phone book identifying where it should be mailed to. Every person or business gets one phone book.
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Python argparse mutual exclusive group
...ee why the first two arguments are compatible and the last one isn't.
So now I run parser.parse_args() and check it's content:
args = parser().parse_args()
print args.aggregation
if args.aggregation and (args.query or args.fields):
print "-a and -q|-f are mutually exclusive ..."
sys.exit...
List of lists changes reflected across sublists unexpectedly
...than a matrix = [row] * 2 where both rows are exactly the same object, and now changes to one row matrix[0][0] = y suddenly reflect in the other one (matrix[0][0] is matrix[1][0]) == True
– nadrimajstor
Jul 2 '17 at 15:44
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Why do function pointer definitions work with any number of ampersands '&' or asterisks '*'?
...a function pointer however will get the address of the pointer (because it now has a separate purpose), whereas funcp and *funcp will be identical
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API Keys vs HTTP Authentication vs OAuth in a RESTful API
... @TomDoe Hi Tom - Yes that makes sense. You probably want to use OAuth2 now. If your server is in Python (Django or Flask) take a look at github.com/omab/python-social-auth
– Sid
Aug 18 '15 at 19:43
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Selenium: FirefoxProfile exception Can't load the profile
Per this previous question I updated Selenium to version 2.0.1
But now I have another error, even when the profile files exist under /tmp/webdriver-py-profilecopy :
...