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rotating axis labels in R
...able(Ni <- stats::rpois(100, lambda=5))
r <- barplot(tN, col=rainbow(20), las=1)
That represents the style of axis labels. (0=parallel, 1=all horizontal, 2=all perpendicular to axis, 3=all vertical)
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What is the difference between async.waterfall and async.series
The nodejs async module: https://github.com/caolan/async provides 2 similar methods, async.waterfall and async.series .
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Why do you need to invoke an anonymous function on the same line?
...nstructor
var sum = new Function('a','b', 'return a + b;');
alert(sum(10, 20)); //alerts 30
2. Using Function declaration.
function sum(a, b)
{
return a + b;
}
alert(sum(10, 10)); //Alerts 20;
3. Function Expression
var sum = function(a, b) { return a + b; }
alert(sum(5, 5)); // alerts ...
Getting pids from ps -ef |grep keyword
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234
You can use pgrep as long as you include the -f options. That makes pgrep match keywords in th...
How to strip leading “./” in unix “find”?
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answered Apr 7 '10 at 22:57
Tim GreenTim Green
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How to append multiple values to a list in Python
...ny other thing that provides a sequence of values.
>>> lst = [1, 2]
>>> lst.append(3)
>>> lst.append(4)
>>> lst
[1, 2, 3, 4]
>>> lst.extend([5, 6, 7])
>>> lst.extend((8, 9, 10))
>>> lst
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
>>> lst...
Bigger Glyphicons
How do I make bigger Glyphicons in twitter bootstrap 3.0 (not 2.3.x).
7 Answers
7
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Is it safe to use -1 to set all bits to true?
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20 Answers
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海量数据相似度计算之simhash短文本查找 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...就是每条数据和simhash库里的数据比较需要做到3.6毫秒。
2、两条同一时刻发出的文本如果重复也只能保留一条。
3、希望保留2天的数据进行比较去重，按照目前的量级和未来的增长，2天大概在2000w — 5000w 中间。
4、短文本和...
Returning first x items from array
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274
array_slice returns a slice of an array
$sliced_array = array_slice($array, 0, 5)
is the co...