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How do you find out the type of an object (in Swift)?
...licitly unwrapped optionals! i.e. var myVar: SomeType!. Compiler gives the error "Cannot convert value of type 'SomeType!.Type' (aka 'ImplicitlyUnwrappedOptional<SomeType>.Type') to expected argument type 'AnyClass' (aka 'AnyObject.Type') Compiler suggest adding as! AnyClass after the type bu...
Is there an easy way to pickle a python function (or otherwise serialize its code)?
... initialized as defaultdict(lambda : defaultdict(int)). But it returns the error ValueError: unmarshallable object. Note I'am usin python2.7. Any idea? Thanks
– user17375
May 8 '13 at 4:56
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Changing route doesn't scroll to top in the new page
... when not using HTML5 mode in angular? Cause page reload are throwing 404 errors due to html 5 mode being active
– britztopher
Jun 8 '15 at 12:42
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The difference between sys.stdout.write and print?
...nt (and more generally between a function and a statement).
In case of an error when evaluating arguments:
print "something", 1/0, "other" #prints only something because 1/0 raise an Exception
print("something", 1/0, "other") #doesn't print anything. The function is not called
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Accessing class variables from a list comprehension in the class definition
... example with a set or dict comprehension would break in Python 2.
# Same error, in Python 2 or 3
y = {x: x for i in range(1)}
The (small) exception; or, why one part may still work
There's one part of a comprehension or generator expression that executes in the surrounding scope, regardless of ...
How can you speed up Eclipse?
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I added this and it returned Error occurred during initialization of VM Incompatible minimum and maximum heap sizes specified
– adamwong246
Apr 20 '12 at 19:22
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How do I find an element that contains specific text in Selenium Webdriver (Python)?
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.format isn't recognized in my eclipse. it gives and error. any idea, why?
– anujin
Jul 26 '13 at 7:15
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How to launch Safari and open URL from iOS app
...shared.open(url) } will always serve your better. Might want to assert and error in the else statement to catch typos.
– philipp
Dec 3 '17 at 0:18
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Why do we usually use || over |? What is the difference?
... 4 is 1/true).
If the thing you're getting from a function is actually an error code and you're testing for non-0-ness, this can matter quite a lot.
This isn't as much of an issue in Java where you have to explicitly typecast to boolean or compare with 0 or the like, but in other languages with si...
Ignore Xcode warnings when using Cocoapods
...rnings are shown in my Xcode on the place I want to see my own warnings or errors.
4 Answers
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