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What does a lazy val do?
I noticed that Sm>ca m>la provide lazy vals . But I don't get what they do.
7 Answers
7
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Why do variable names often start with the letter 'm'? [duplim>ca m>te]
... at the Android tutorials such as the Notepad tutorial , I noticed that almost all variables are named starting with the letter 'm'. What convention is this, and where does it originate from?
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How to replace a character by a newline in Vim
I'm trying to replace each , in the current file by a new line:
11 Answers
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How to generate all permutations of a list?
...(iterable, r=None):
# permutations('ABCD', 2) --> AB AC AD BA BC BD m>CA m> CB CD DA DB DC
# permutations(range(3)) --> 012 021 102 120 201 210
pool = tuple(iterable)
n = len(pool)
r = n if r is None else r
if r > n:
return
indices = range(n)
cycles = rang...
How to extract numbers from a string and get an array of ints?
...ave a String variable (basim>ca m>lly an English sentence with an unspecified number of numbers) and I'd like to extract all the numbers into an array of integers. I was wondering whether there was a quick solution with regular expressions?
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Inspecting standard container (std::map) contents with gdb
Supposing to have something like this:
7 Answers
7
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SQL Server: What is the difference between CROSS JOIN and FULL OUTER JOIN?
...duces a m>ca m>rtesian product between the two tables, returning all possible combinations of all rows. It has no on clause bem>ca m>use you're just joining everything to everything.
A full outer join is a combination of a left outer and right outer join. It returns all rows in both tables that match the q...
What is the equivalent of MATLAB's repmat in NumPy
I would like to execute the equivalent of the following MATLAB code using NumPy: repmat([1; 1], [1 1 1]) . How would I accomplish this?
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linux svn搭建配置及svn命令详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...没有源代码的时候，你需要从repository checkout一份。
c. Commit （提交）
当你已经修改了代码，你就需要Commit到repository。
d. Update (更新)
当你已经Checkout了一份源代码， Update一下你就可以和Repository上的源代码同步，你手...
MFC MDI切换menu原理 - C/C++ - 清泛网 - 专注C/C++及内核技术
MFC MDI切换menu原理当应用程序向导生成的SDI或MDI应用程序时，它创建了菜单资源（使用IDR_MAINFRAME作为其资源id。此菜单显示在所有时间SDI应用程序，并且仅在...当应用程序向导生成的 SDI 或 MDI 应用程序时，它创建了菜单资源 （...