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Intersection and union of ArrayLists in Java
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124
Here's a plain implementation without using any third-party library. Main advantage over retainA...
How do I assign an alias to a function name in C++?
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114
There are different approaches:
With C++11 with non-template non-overloaded functions you can ...
廉价共享存储解决方案2-drbd+cman+gfs2 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...calhost ~]# vi etc hosts127.0.0.1localhost localhost.localdomain localhost4 localhost4.localdomain4...1、修改hosts文件
[root@localhost ~]# vi /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 loca...
tcp加速技术解决方案 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...群，并且内核提供负载均衡能力。
SO_INCOMING_CPU：内核4.4版本提供的socket选项，
如果启用RPS/RFS或者根据网卡的RSS和中段亲和等， 数据包在cpu0上接收， 但是accept()后， 使用在cpu1上的reuseport listener,
accept()后通过调用SO_INCOMING_...
Weighted random numbers
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edited Apr 29 '14 at 23:47
exussum
16.3k77 gold badges2626 silver badges5858 bronze badges
ans...
Side-by-side plots with ggplot2
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edited May 23 '17 at 11:47
Community♦
111 silver badge
answered Oct 14 '10 at 16:52
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Counting the number of elements with the values of x in a vector
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You can just use table():
> a <- table(numbers)
> a
numbers
4 5 23 34 43 54 56 65 67 324 435 453 456 567 657
2 1 2 2 1 1 2 1 2 1 3 1 1 1 1
Then you can subset it:
> a[names(a)==435]
435
3
Or convert it into a data.frame if you're mor...
Running JAR file on Windows
...n field, needs to display something similar to C:\Program Files\Java\j2re1.4.2_04\bin\javaw.exe" -jar "%1" % (Note: the part starting with 'javaw' must be exactly like that; the other part of the path name can vary depending on which version of Java you're using) then press the OK buttons until all ...
Easy way to concatenate two byte arrays
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324
Most straightforward:
byte[] c = new byte[a.length + b.length];
System.arraycopy(a, 0, c, 0, a....
Create directory if it does not exist
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answered Jun 4 '13 at 6:50
Andy ArismendiAndy Arismendi
42.8k1515 gold badges9191 silver badges113113 bronze badges
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