大约有 30,000 项符合查询结果(耗时:0.0375秒) [XML]

https://stackoverflow.com/ques... 

What's the difference between lapply and do.call?

...last example supposed to be do.call(cbind, x) the current version gives me Error in do.call(c, x) : 'what' must be a function or character string... – sindri_baldur Jul 20 '17 at 20:45 ...
https://stackoverflow.com/ques... 

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...
https://stackoverflow.com/ques... 

How do you redirect HTTPS to HTTP?

...imitation be overcome ? I am having the same issue. getting the certifcate error from browser before the redirect. – Sandeep Balagopal Nov 29 '16 at 7:17 ...
https://stackoverflow.com/ques... 

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...
https://stackoverflow.com/ques... 

Redirect non-www to www in .htaccess

...eferred to @ranman's as it will work for all domains thus minimizing human error either when you're implementing code for a new project or when you implement extra-domains to an existing project. – Frankie Aug 20 '14 at 15:16 ...
https://stackoverflow.com/ques... 

How to get the nth element of a python list or a default if not available

... try: a = b[n] except IndexError: a = default Edit: I removed the check for TypeError - probably better to let the caller handle this. share | im...
https://stackoverflow.com/ques... 

Identify if a string is a number

...ails – BlackTigerX Oct 23 '14 at 22:05 try parsing 0,60 (that is a comma!) it is an invalid number but will be parsed ...
https://stackoverflow.com/ques... 

could not resolve host github.com error while cloning remote repository in git

... I got a similar error, and it's caused by incorrect proxy setting. This command saved me: git config --global --unset http.proxy https version: git config --global --unset https.proxy ...
https://stackoverflow.com/ques... 

Unable to import a module that is definitely installed

...I had the same problem: script with import colorama was throwing and ImportError, but sudo pip install colorama was telling me "package already installed". My fix: run pip without sudo: pip install colorama. Then pip agreed it needed to be installed, installed it, and my script ran. My environmen...
https://stackoverflow.com/ques... 

postgresql list and order tables by size

...ready started typing something in your psql session, which caused a syntax error. – yieldsfalsehood Feb 12 '14 at 20:13 ...