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How to split a string in shell and get the last field
Suppose I have the string 1:2:3:4:5 and I want to get its last field ( 5 in this case). How do I do that using Bash? I tried cut , but I don't know how to specify the last field with -f .
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“Connection for controluser as defined in your configuration failed” with phpMyAdmin in XAMPP
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莱昂氏unix源代码分析 PDF - 文档下载 - 清泛网 - 专注C/C++及内核技术
...分 程序交换、基本输入/输出、
块设备 109
第四部分 文件和目录、文件系统、管道 133
第五部分 面向字符的特殊文件 181
下篇 莱昂氏UNIX源代码分析
前言 207
第1章 绪论 209
1.1 UNIX操作系统 209
1.2 公用...
R: += (plus equals) and ++ (plus plus) equivalent from c++/c#/java, etc.?
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110
No, it doesn't, see: R Language Definition: Operators
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Android requires compiler compliance level 5.0 or 6.0. Found '1.7' instead. Please use Android Tools
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Why was the arguments.callee.caller property deprecated in JavaScript?
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// This snippet will work:
function factorial(n) {
return (!(n>1))? 1 : factorial(n-1)*n;
}
[1,2,3,4,5].map(factorial);
// But this snippet will not:
[1,2,3,4,5].map(function(n) {
return (!(n>1))? 1 : /* what goes here? */ (n-1)*n;
});
To get around this, arguments.calle...
MongoDB数据导出导入工具：mongoexport,mongoimport - 大数据 & AI - 清泛...
...d exit
-h [ --host ] arg mongo host to connect to ( <set name>/s1,s2 for sets)
--port arg server port. Can also use --host hostname:port
--ipv6 enable IPv6 support (disabled by default)
-u [ --username ] arg username
-p [ --password ] arg ...
Deleting array elements in JavaScript - delete vs splice
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1713
delete will delete the object property, but will not reindex the array or update its length. ...