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win7 安装项目管理工具redmine2.5.1 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
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八、附录
1、解决 webrick响应慢的问题：
修改C:\RailsInstaller\Ruby1.9.3\lib\ruby\1.9.1\webrick\ 目录中的server.rb 和httprequest.rb文件。
server.rb中的184行：
addr = sock.peeraddr
改为
addr = sock.peeraddr(:numeric )
h...
How do you get a string to a character array in JavaScript?
...: 12.2.5 Array Initializer
spread is also referenced as "splat" (e.g. in PHP or Ruby or as "scatter" (e.g. in Python).
Demo
Try before buy
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Mixins vs. Traits
...s highly inconsistent and at least one of the points here is mostly wrong. PHP and Wikipedia (and according to @Sergio, also Scala) disagree with you about traits being stateless. I don't find this answer useful because it's made up of bare assertions, and it's unclear to me that this is anything mo...
Principal component analysis in Python
....dinv: 1/d or 0, see NR
p.eigen: the eigenvalues of A*A, in decreasing order (p.d**2).
eigen[j] / eigen.sum() is variable j's fraction of the total variance;
look at the first few eigen[] to see how many PCs get to 90 %, 95 % ...
p.npc: number of principal components,
...
Getting started with Haskell
...
I'm going to order this guide by the level of skill you have in Haskell, going from an absolute beginner right up to an expert. Note that this process will take many months (years?), so it is rather long.
Absolute Beginner
Firstly, Haskel...
How to return result of a SELECT inside a function in PostgreSQL?
...pe = 'ALPHABETIC'
LIMIT _max_tokens
) t
GROUP BY t.txt
ORDER BY cnt DESC; -- potential ambiguity
END
$func$ LANGUAGE plpgsql;
Call:
SELECT * FROM word_frequency(123);
Explanation:
It is much more practical to explicitly define the return type than sim...
How to make ng-repeat filter out duplicate results
...nd use it directly in the ng-options (or ng-repeat).
<select ng-model="orderProp" ng-options="place.category for place in places | unique:'category'">
<option value="0">Default</option>
// unique options from the categories
</select>
...
class method generates “TypeError: … got multiple values for keyword argument …”
...t happens when you try to pass positional parameter with wrong
position order along with keyword argument in calling function.
there is difference between parameter and argument you can read in detail about here Arguments and Parameter in python
def hello(a,b=1, *args):
print(a, b, *args)
...
Grunt watch error - Waiting…Fatal error: watch ENOSPC
...ll also persist across reboots. For more details: wiki.archlinux.org/index.php/Sysctl
– tnajdek
Sep 27 '13 at 9:20
...
Grep not as a regular expression
I need to search for a PHP variable $someVar . However, Grep thinks that I am trying to run a regex and is complaining:
6 ...