10 2016 档案
Shell中的空格和引号
摘要:空格对于linux的shell是一种很典型的分隔符,所以给变量赋值的时候中间不能够有空格。而单引号和双引号,都是为了解决中间有空格的问题。比如string1=this is a string,这样执行就会报错。为了避免这个问题,因此就产生了单引号和双引号。 单引号将剥夺其中的所有字符的特殊含义,阻止
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shell脚本中的几个括号总结(小括号/大括号/花括号)--from:http://www.cnblogs.com/hanyan225/archive/2011/10/06/2199652.html
摘要:在Shell中的小括号,大括号结构和有括号的变量,命令的用法如下: 1.${var}2.$(cmd)3.()和{}4.${var:-string},${var:+string},${var:=string},${var:?string}5.$((exp))6.$(var%pattern),$(var
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Transport Block Size, Throughput and Code rate-----http://www.simpletechpost.com/2012/12/transport-block-size-code-rate-protocol.html
摘要:Transport Block Size, Throughput and Code rate Since the size of transport block is not fixed, often a question comes to mind as to how transport bloc
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LTE Air interface Channels-----http://www.rfwireless-world.com/Tutorials/LTE-logical-transport-physical-channels.html
摘要:LTE technology works based on three channel types viz. logical channel,transport channel and physical channels. These channels are used by lower layer
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