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Scala 2.8 breakOut
..., "BB", "CCC").map(s => (s, s.length))
The compiler would complain:
error: type mismatch;
found : Seq[(String, Int)]
required: Map[String,Int]
The reason being that Seq only knows how to build another Seq (i.e. there is an implicit CanBuildFrom[Seq[_], B, Seq[B]] builder factory available...
What is the argument for printf that formats a long?
...olution?
– Aaron Franke
May 13 at 9:05
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Base64 encoding and decoding in client-side Javascript
... need to thoroughly test the function for cross browser compatibility. And error has already been reported.
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Linux下安装项目管理工具Redmine - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...
4、Ruby on Rails
# gem install rails
安装成功提示：
Successfully installed activesupport-2.3.3
Successfully installed activerecord-2.3.3
Successfully installed rack-1.0.0
Successfully installed actionpack-2.3.3
Successfully installed actionmailer-2.3.3
Su...
Rails formatting date
...m/%d/%y)
– RajeshM
Jun 10 '15 at 21:05
1
Use %A if you want the day of the week, e.g. "Wednesday"...
Does assignment with a comma work?
...ult of the last statement, 3.
This code:
var bbb = 1,2,3
Is a syntax error because commas in variable declarations are used to declare multiple variables in a single line. As the MDN article points out,
Note that the comma in the var statement is not the comma operator, because it doesn't...
A more useful statusline in vim? [closed]
...:
hi User1 guifg=#ffdad8 guibg=#880c0e
hi User2 guifg=#000000 guibg=#F4905C
hi User3 guifg=#292b00 guibg=#f4f597
hi User4 guifg=#112605 guibg=#aefe7B
hi User5 guifg=#051d00 guibg=#7dcc7d
hi User7 guifg=#ffffff guibg=#880c0e gui=bold
hi User8 guifg=#ffffff guibg=#5b7fbb
hi User9 guifg=#ffffff...
How to sort in-place using the merge sort algorithm?
... big enough to hold elements exchanged in without causing any out-of-bound error.
The work area can be overlapped with either of the two sorted arrays; however, it must ensure that none of the unmerged elements are overwritten.
With this merging algorithm defined, it's easy to imagine a solution, ...
What is an undefined reference/unresolved external symbol error and how do I fix it?
What are undefined reference/unresolved external symbol errors? What are common causes and how to fix/prevent them?
34 Answ...
Create an empty list in python with certain size
...nately if you want to create a list-of-lists you will run into referencing errors. Example in Python 2.7.6:
>>> a = [[]]*10
>>> a
[[], [], [], [], [], [], [], [], [], []]
>>> a[0].append(0)
>>> a
[[0], [0], [0], [0], [0], [0], [0], [0], [0], [0]]
>>>
...