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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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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...
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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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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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...
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'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 ...
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....