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How can I output leading zeros in Ruby?
...
filenames = '000'.upto('100').map { |index| "file_#{index}" }
Outputs
[file_000, file_001, file_002, file_003, ..., file_098, file_099, file_100]
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...
How can I read command line parameters from an R script?
...ogram Files\R-3.0.2\bin\RScript.exe"
%R_Script% exmpl.R 2010-01-28 example 100 > exmpl.batch 2>&1
Alternatively, using Rterm.exe:
set R_TERM="C:\Program Files\R-3.0.2\bin\i386\Rterm.exe"
%R_TERM% --no-restore --no-save --args 2010-01-28 example 100 < exmpl.R > exmpl.batch 2>&am...
Is there a `pointer-events:hoverOnly` or similar in CSS?
...;
height: 300px;
}
#overlay {
background-color: black;
width: 100%;
height: 100%;
opacity: 0;
z-index: 1;
/* Pass through clicks */
pointer-events: none;
}
/*
Set overlay hover style based on
:hover pseudo-element of its
container
*/
#container:hove...
How can I get every nth item from a List?
...ne in a linq friendly manner then you could lazily eval and take the first 100 value eg `` source.TakeEvery(5).Take(100) `` If the underlying source was expensive to eval then your approach would cause every element to be evaluated
– RhysC
Dec 11 '15 at 6:4...
CSS: fixed position on x-axis but not y?
...ition-fixed-y').css('top', $w.scrollTop());
});
.container {
width: 1000px;
}
.position-fixed-x {
position: relative;
}
.position-fixed-y {
position: relative;
}
.blue-box {
background:blue;
width: 50px;
height: 50px;
}
.red-box {
background: red;
width: ...
How to get StackPanel's children to fill maximum space downward?
...Box
DockPanel.Dock="Right"
Header="Help"
Width="100"
Background="Beige"
VerticalAlignment="Stretch"
VerticalContentAlignment="Stretch"
Height="Auto">
<TextBlock Text="This is the help that is available on the news screen." ...
possible EventEmitter memory leak detected
...Listeners via:
const emitter = new EventEmitter()
emitter.setMaxListeners(100)
// or 0 to turn off the limit
emitter.setMaxListeners(0)
But if it's not your code you can use the trick to increase the default limit globally:
require('events').EventEmitter.prototype._maxListeners = 100;
Of cours...
Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
...in__":
import random
import sys
from time import time
N = 10000
dim = 10
ncluster = 10
kmsample = 100 # 0: random centres, > 0: kmeanssample
kmdelta = .001
kmiter = 10
metric = "cityblock" # "chebyshev" = max, "cityblock" L1, Lqmetric
seed = 1
...
STL中map容器使用自定义key类型报错详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
... int m_a;
};
...
map<a, int> mp;
a a1;
a1.m_a = 100;
a1.pName = "a1";
a a2;
a2.m_a = 200;
a2.pName = "a2";
mp.insert(std::make_pair(a1, 1));
mp.insert(std::make_pair(a2, 1));
编译出错
初始化结构体对象，添加到容器...
Simple way to repeat a String in java
...tidy way to do this in conjunction with Collections.nCopies:
// say hello 100 times
System.out.println(String.join("", Collections.nCopies(100, "hello")));
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