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Side-by-side plots with ggplot2
... y=c(3*x+eps, 2*x+eps),
case=rep(c("first","second"), each=100))
qplot(x, y, data=X, facets = . ~ case) + geom_smooth()
I am sure there are better tricks in plyr or reshape -- I am still not really up to speed
on all these powerful packages by Hadley.
...
C# Sortable collection which allows duplicate keys
...t<Header> have to be sorted than every Header. Example: If there are 100 XPos and each has 100 headers, 10000 Header need to be sorted as opposed to 100 List<Header>.
Of course, also this solution has a disadvantage: If there are many XPos with only 1 Header, as many Lists need to be cr...
linux下iptables配置详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...m state --state NEW -j DROP
处理IP碎片数量,防止攻击,允许每秒100个
[root@tp ~]#iptables -A FORWARD -f -m limit --limit 100/s --limit-burst 100 -j ACCEPT
设置ICMP包过滤,允许每秒1个包,限制触发条件是10个包.
[root@tp ~]#iptables -A FORWARD -p icmp -m limit --limit 1...
How to find all combinations of coins when given some dollar value
...needs a slight correction because it asks "...using 1-, 10-, 25-, 50-, and 100-cent coins?" But then the write up defines the set a as the domain of f but a = {1,5,10,25,50,100}. There should be a 5- in the cent coins list. Otherwise the write up was fantastic, thanks!
– rbrtl
...
How to change the DataTable Column Name?
...
<StudentID>1</StudentID>
<CourseID>100</CourseID>
<SubjectCode>MT400</SubjectCode>
<Marks>80</Marks>
</StudentMarks>
<StudentMarks>
<StudentID>1</StudentID>
...
How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
...canvas.getContext("2d");
timerId = setInterval("fadeIn()", 100);
}
function fadeIn()
{
context.clearRect(0,0, canvas.width,canvas.height);
context.globalAlpha = ga;
var ie = new Image();
...
pandas three-way joining multiple dataframes on columns
...
+100
This is an ideal situation for the join method
The join method is built exactly for these types of situations. You can join any num...
How to get all subsets of a set? (powerset)
...noticed it was significantly slower. To generate the power set of 16 items 100 times, my measurements were 0.55 versus 15.6.
– Ceasar Bautista
Feb 23 '18 at 7:40
...
Why doesn't await on Task.WhenAll throw an AggregateException?
... }
}
}
public async Task<int> A()
{
await Task.Delay(100);
throw new Exception("A");
}
public async Task<int> B()
{
await Task.Delay(100);
throw new Exception("B");
}
The key is to save a reference to the aggregate task before you await it, then you can acc...
Render HTML to an image
...vas')
const ctx = canvas.getContext('2d')
canvas.width = canvas.height = 100
const tempImg = document.createElement('img')
tempImg.addEventListener('load', onTempImageLoad)
tempImg.src = 'data:image/svg+xml,' + encodeURIComponent('<svg xmlns="http://www.w3.org/2000/svg" width="100" height=...