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Scala list concatenation, ::: vs ++
...an ad-hoc manner. When 2.8 came out, the collections were redesigned for mam>x m>imum code reuse and consistent API, so that you can use ++ to concatenate any two collections -- and even iterators. List, however, got to keep its original operators, aside from one or two which got deprecated.
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How to split a sequence into two pieces by predicate?
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By using partition method:
scala> List(1,2,3,4).partition(m>x m> => m>x m> % 2 == 0)
res0: (List[Int], List[Int]) = (List(2, 4),List(1, 3))
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Returning value that was passed into a method
...; { return myval; });
Or slightly more readable:
.Returns<string>(m>x m> => m>x m>);
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How can I strip the whitespace from Pandas DataFrame headers?
I am parsing data from an Em>x m>cel file that has em>x m>tra white space in some of the column headings.
3 Answers
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Linum>x m>环境离线安装docker&docker-compose - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
Linum>x m>环境离线安装docker&docker-composelinum>x m>_docker_install一、docker离线安装1、下载docker离线安装包下载最新版本的 docker （或者选择自己想要安装的版本）到本地。1）docker下载地址：Docker版本下载 ||Docker-compose版本下载备注...
一、docker...
What's the difference between globals(), locals(), and vars()?
... or the dictionary of the argument.
locals and vars could use some more em>x m>planation. If locals() is called inside a function, it updates a dict with the values of the current local variable namespace (plus any closure variables) as of that moment and returns it. Multiple calls to locals() in the ...
Is there a generator version of `string.split()` in Python?
... uses fairly minimal memory overhead.
def split_iter(string):
return (m>x m>.group(0) for m>x m> in re.finditer(r"[A-Za-z']+", string))
Demo:
>>> list( split_iter("A programmer's RegEm>x m> test.") )
['A', "programmer's", 'RegEm>x m>', 'test']
edit: I have just confirmed that this takes constant memo...
How to bind an enum to a combobom>x m> control in WPF?
I am trying to find a simple em>x m>ample where the enums are shown as is. All em>x m>amples I have seen tries to add nice looking display strings but I don't want that complem>x m>ity.
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What does “coalgebra” mean in the contem>x m>t of programming?
...structures which is pretty much incomprehensible to me. Can anyone please em>x m>plain what coalgebras mean in the contem>x m>t of programming, what is their significance, and how they relate to objects and comonads?
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Using jQuery how to get click coordinates on the target element
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Try this Demo : http://jsfiddle.net/AMsK9/
Edit :
1) event.pagem>X m>, event.pageY gives you the mouse position relative document !
Ref : http://api.jquery.com/event.pagem>X m>/
http://api.jquery.com/event.pageY/
2) offset() : It gives the offset position of an element
Ref : http://api....