#Sed

文本处理三剑客之 sed详解

1.简介sed是非交互式的编辑器,它不会修改文件,除非使用shell重定向来保存结果。默认情况下,所有的输出行都被打印到屏幕上。sed编辑器逐行处理文件(或输入),并将结果发送到屏幕。具体过程如下:  首先sed把当前正在处理的行保存在一个临时缓存区中(也称为模式空间),然后处理临时缓冲区中的行,完...

执行pod setup 报错error: RPC failed; curl 18 transfer closed with outstanding read data remainin

执行podsetup报错error:RPCfailed;curl18transferclosedwithoutstandingreaddataremainingfatal:theremoteendhungupunexpectedlyfatal:earlyEOFfatal:index-packfailed看这提示大意为,...

XML fragments parsed from previous mappers does not contain value for com.miniprogram.meirong.comment.dao.CommentMapper.Base_Column_List

mybatis出错了,正在找原因。XMLfragmentsparsedfrompreviousmappersdoesnotcontainvalueforcom.miniprogram.meirong.user.dao.UserMapper.Blob_Column_List嗯,这个报错,要看仔细,之后去分析,不能怕,一目...

Attempted read on closed stream

这个方法只能调用一次,entity所得到的流是不可重复读取的也就是说所得的到实体只能一次消耗完,不能多次读取。...

multi update caused deadlock problem

https://social.msdn.microsoft.com/Forums/sqlserver/en-US/dba45618-1d64-4661-891d-74cab09dddf1/deadlock-while-running-multiple-update-statements?forum=sqldatabas...

AppDomain.CurrentDomain.BaseDirectory

在winform中的OnPaint事件中,AppDomain.CurrentDomain.BaseDirectory得到的是下面这个路径C:ProgramFiles(x86)MicrosoftVisualStudio2017ProfessionalCommon7IDE Application.Executab...
代码星球 ·2021-02-08

Token Based Authentication using ASP.NET Web API 2, Owin, and Identity

http://bitoftech.net/2014/06/01/token-based-authentication-asp-net-web-api-2-owin-asp-net-identity/...

cat查看文件以及sed查看指定行数

https://unix.stackexchange.com/questions/288521/with-the-linux-cat-command-how-do-i-show-only-certain-lines-by-number Toprintoneline(5)$sed-n5pfileLine5Top...

Forms Authentication and Role based Authorization: A Quicker, Simpler, and Correct Approach

https://www.codeproject.com/Articles/36836/Forms-Authentication-and-Role-based-AuthorizationSad,buttrue,“FormsauthenticationinASP.NETdoesnotdirectlysuppor...

What is 'typeof define === 'function' && define['amd']' used for?

Thiscodechecksforthepresenceofrequire.js,aJavaScriptdependencymanagementlibrary.If'define'isnotundefinedanditisafunctionand'amd'(asynchronousmoduledefinition)is...

Instances cannot be resolved and nested lifetimes cannot be created from this LifetimeScope as it has already been disposed.

2019-07-2411:09:15.231+08:00LISA.Common.Utilities.LogUtil-System.ObjectDisposedException:InstancescannotberesolvedandnestedlifetimescannotbecreatedfromthisLifet...

netty笔记-:EpollEventLoopGroup:Caused by: java.lang.ExceptionInInitializerError:Caused by: java.lang.IllegalStateException: Only supported on Linux

今天在翻看netty的源码的时候发现netty对EventLoopGroup的实现有不止常用的NIOEventLoopGroup,一共有以下几种。EpollEventLoopGroupNioEventLoopGroupKQueueEventLoopGroup  其中NioEventLoopGroup则是我们比较常用的,...

[记录]calculate age based on date of birth

knowonenewwebiste:eval.inrunphpcode...

轻松学会文本处理工具之二 linux sed命令

sed命令的语法格式:      sed的命令格式:sed[option] 'sedcommand'filenamesed的脚本格式:sed[option]-f 'sed script'filenamesed命令的选项(optio...

linux之sed用法

sed是一个很好的文件处理工具,本身是一个管道命令,主要是以行为单位进行处理,可以将数据行进行替换、删除、新增、选取等特定工作,下面先了解一下sed的用法sed命令行格式为:         sed[-nefri]‘command...
代码星球 ·2021-01-31
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