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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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Why is SELECT * considered harmful?
...rt in the long run.
If code depends on column order, SELECT * will hide an error waiting to happen if a table had its column order changed.
Even if you need every column at the time the query is written, that might not be the case in the future
the usage complicates profiling
Design
SELECT * is ...
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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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...
Virtual/pure virtual explained
...mplementation to pure virtual method in base class. Hence case #4 is still error.
– prasad
Apr 10 '17 at 16:21
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