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What are -moz- and -webkit-? [duplicate]
... used to learn CSS, I have never seen anything like these lines. Could someone please explain these lines to me or give me a source where I could learn to implement lines like these?
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How do you delete all text above a certain line
...top of the file.
Also
dG
will delete all lines at or below the current one
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Haskell: Lists, Arrays, Vectors, Sequences
... they are coinductive (other languages call these streams) so things like
ones :: [Integer]
ones = 1:ones
twos = map (+1) ones
tenTwos = take 10 twos
work wonderfully. Infinite data structures rock.
Lists in Haskell provide an interface much like iterators in imperative languages (because of ...
Ignore python multiple return value
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One common convention is to use a "_" as a variable name for the elements of the tuple you wish to ignore. For instance:
def f():
return 1, 2, 3
_, _, x = f()
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Converting Dictionary to List? [duplicate]
...ust specify it between square brackets as shown above. And we could have done dictlist.append([key,value]) if we wanted to be as brief as possible.
Or just use dict.items() as has been suggested.
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What is lazy loading in Hibernate?
...ldren() will cause Hibernate to load all the children in the collection in one db query. Unless you used the very special "extra lazy" lazy loading hint. Or unless you cache the collection in second level cache and the associated children are not also cached.
– Steve Ebersole...
Compiler Ambiguous invocation error - anonymous method and method group with Func or Action
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First off, let me just say that Jon's answer is correct. This is one of the hairiest parts of the spec, so good on Jon for diving into it head first.
Second, let me say that this line:
An implicit conversion exists from a method group to a compatible delegate type
(emphasis added) i...
Easy way to print Perl array? (with a little formatting)
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There's more than one way to do it.. but this is the way that doesn't make the person maintaining the code after you hate you. Yes, perldoc perlvar exists, but I'd rather glance over "join ', ' @array" than hit up perlvar every other line to f...
How to match “anything up until this sequence of characters” in a regular expression?
...or of regex you're using, but this will
work in any of the most popular ones that can be considered "complete".
/.+?(?=abc)/
How it works
The .+? part is the un-greedy version of .+ (one or more of
anything). When we use .+, the engine will basically match everything.
Then, if there ...
Assert equals between 2 Lists in Junit
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Should be the chosen answer, with one note: You need also to verify that there are no more items in the list besides what you want. Maybe use:Assert.assertEquals(4,yourList.size());
– yoni
Jan 9 '18 at 3:58
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