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Java 8 Streams: multiple filters vs. complex condition
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one filter with predicate of form u -> exp1 && exp2, list size 10000000, averaged over 100 runs: LongSummaryStatistics{count=100, sum=4142, min=29, average=41.420000, max=82}
two filters with predicates of form u -> exp1, list size 10000000, averaged over 100 runs: LongSummaryStatisti...
不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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在主机A 上执行命令
route add -host 172.16.110.80 gw 172.16.100.253
route add -host 172.16.110.80 gw 172.16.100.254
在主机B 上执行命令
route add -host 172.16.100.50 gw 172.16.100.253
route add -host 172.16.100.50 gw 172.16.100.254
执行ping 命令 可以通...
How to access the last value in a vector?
...last(NumericVector x) { int n = x.size(); return x[n-1]; }')
options(width=100)
for (n in c(1e3,1e4,1e5,1e6,1e7)) {
x <- runif(n);
print(microbenchmark::microbenchmark(x[length(x)],
mylast(x),
tail(x, n=1),
...
How to calculate percentage with a SQL statement
...s does work. The answer by gordyii was close but had the multiplication of 100 in the wrong place and had some missing parenthesis.
Select Grade, (Count(Grade)* 100 / (Select Count(*) From MyTable)) as Score
From MyTable
Group By Grade
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HP ILO3 IL 100i DELL IDRAC6 配置总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
HP ILO3 IL 100i DELL IDRAC6 配置总结HP ILO3 IL 100i DELL IDRAC6配置总结HP ILO不可否认是一款比较好的远程管理工具我连续配置了两天总结了一些经验HP对380以上机型所配...HP ILO3 IL 100i DELL IDRAC6 配置总结
HP ILO不可否认是一款比较好...
CSS Progress Circle [closed]
...e ones I have been able to found show animated circles that go to the full 100%.
4 Answers
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How to write a caption under an image?
...t;
<figure>
<img src="http://lorempixel.com/100/100/nature/1/" width="100px" height="100px" />
<figcaption>First image</figcaption>
</figure>
</a>
<a href="#">
<figure>
<im...
How can I do width = 100% - 100px in CSS?
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Modern browsers now support the:
width: calc(100% - 100px);
To see the list of supported browser versions checkout: Can I use calc() as CSS unit value?
There is a jQuery fallback: css width: calc(100% -100px); alternative using jquery
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HTML5 canvas ctx.fillText won't do line breaks?
...e last line.";
var lh = 12;
ctx.lineWidth = 1;
ctx.mlFillText(T, 10, 10, 100, 100, 'top', 'left', lh);
ctx.strokeRect(10, 10, 100, 100);
ctx.mlFillText(T, 110, 10, 100, 100, 'top', 'center', lh);
ctx.strokeRect(110, 10, 100, 100);
ctx.mlFillText(T, 210, 10, 100, 100, 'top', 'right', lh);
ctx.str...
Write a program to find 100 largest numbers out of an array of 1 billion numbers
... recently attended an interview where I was asked "write a program to find 100 largest numbers out of an array of 1 billion numbers."
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