大约有 46,000 项符合查询结果（耗时：0.0785秒） [XML]
Combined area of overlapping circles
...
Find all circle intersections on the outer perimeter (e.g. B,D,F,H on the following diagram). Connect them together with the centres of the corresponding circles to form a polygon. The area of the union of the circles is the area ...
All possible array initialization syntaxes
What are all the array initialization syntaxes that are possible with C#?
16 Answers
1...
How to set NODE_ENV to production/development in OS X
...the second example (NODE_ENV=production node app.js). That way you potentially save yourself from some future hair-pulling in the event that you forget to set your local NODE_ENV back to development.
– Jon
Feb 15 '14 at 19:52
...
Reverting a single file to a previous version in git [duplicate]
..., and we want to revert the file to one of the previous versions. First of all, git doesn't keep version numbers for individual files. It just tracks content - a commit is essentially a snapshot of the work tree, along with some metadata (e.g. commit message). So, we have to know which commit has th...
Copy array items into another array
...y . Except I don't want newArray[0] to be dataArray . I want to push in all the items into the new array:
16 Answers
...
Using union and order by clause in mysql
...
select *
from (
select 1 as Rank, id, add_date from Table
union all
select 2 as Rank, id, add_date from Table where distance < 5
union all
select 3 as Rank, id, add_date from Table where distance between 5 and 15
) a
order by rank, id, add_date desc
...
Getting root permissions on a file inside of vi? [closed]
...e command causes Vim to prompt for password but not accept input. It eventually times out on two attempts and says: sudo: 1 incorrect password attempt
– cmcginty
Feb 24 '09 at 3:14
...
What does the “expand” option do in grunt-contrib-copy? The examples all use it but the docs say not
...n API:
Set expand to true to enable the following options:
cwd All src matches are relative to (but don't include) this path.
src Pattern(s) to match, relative to the cwd.
dest Destination path prefix.
ext Replace any existing extension with this value in generated dest paths.
ex...
CSS - How to Style a Selected Radio Buttons Label?
...io-toolbar">
<input type="radio" id="radio1" name="radios" value="all" checked>
<label for="radio1">All</label>
<input type="radio" id="radio2" name="radios" value="false">
<label for="radio2">Open</label>
<input type="radio" id="radio3" n...
What is a lambda expression in C++11?
... }
} f;
std::for_each(v.begin(), v.end(), f);
}
however this is not allowed, f cannot be passed to a template function in C++03.
The new solution
C++11 introduces lambdas allow you to write an inline, anonymous functor to replace the struct f. For small simple examples this can be cleaner t...