1.java renameTo()
2.VB中删除文件夹
3.redis是源码阅读如何加载配置文件的!!源码阅读源码阅读,源码阅读详细介绍
java renameTo()
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/*
renameTo
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*/
import java.io.*;
public class TestRenameTo {
public static void main(String[] args) throws Exception {
File f = new File("she-äºæ天.mp3");
File test = new File("äºæ天.mp3");
f.renameTo(test);
}
}
VB中删除文件夹
兄台.你复制下面的源码阅读gearman的源码代码,试试
如果成功的话.能否给个5 分 分给我,呵呵 开玩笑啦
'VB强行删除目录或(VB强行删除文件)模块源码
'需要控件:command1
Public Enum FO_Operation
FO_MOVE = 1
FO_COPY = 2
FO_DELETE = 3
FO_RENAME = 4
End Enum
Public Enum FOFlags
FOF_MULTIDESTFILES = &H1 'Destination specifies multiple files
FOF_SILENT = &H4 'Don't display progress dialog
FOF_RENAMEONCOLLISION = &H8 'Rename if destination already exists
FOF_NOCONFIRMATION = &H 'Don't prompt user
FOF_WANTMAPPINGHANDLE = &H 'Fill in hNameMappings member
FOF_ALLOWUNDO = &H 'Store undo information if possible
FOF_FILESONLY = &H 'On *.*, don't copy directories
FOF_SIMPLEPROGRESS = &H 'Don't show name of each file
FOF_NOCONFIRMMKDIR = &H 'Don't confirm making any needed dirs
End Enum
Public Type SHFILEOPSTRUCT
hwnd As Long
wFunc As Long
pFrom As String
pTo As String
fFlags As Integer
fAnyOperationsAborted As Long
hNameMappings As Long
lpszProgressTitle As Long ' only used if FOF_SIMPLEPROGRESS
End Type
Private Declare Function SHFileOperation Lib "shell.dll" Alias "SHFileOperationA" (lpFileOp As SHFILEOPSTRUCT) As Long
Private op As SHFILEOPSTRUCT
Public Sub DeleteFolder(sDeleteFolder As String, Optional Interface As Boolean = False)
SetAttr sDeleteFolder, vbNormal
With op
.wFunc = FO_DELETE
.pFrom = sDeleteFolder
.fFlags = IIf(Interface = False, FOF_NOCONFIRMATION, FOF_NOCONFIRMATION And FOF_SILENT)
End With
SHFileOperation op
End Sub
Private Sub Command1_Click()
Call DeleteFolder("D:\新建文件夹", True)
End Sub
redis是如何加载配置文件的!!源码阅读源码阅读,源码阅读详细介绍
Redis的源码阅读启动流程中,配置文件起着关键作用。源码阅读通过命令行中的源码阅读redis-server,我们可以配置服务器的源码阅读监听地址、端口、源码阅读源码构造函数访问密码等。源码阅读配置文件是源码阅读一个文本文件,包含选项和参数,源码阅读如bind(服务器IP)、源码阅读prot(端口号)和requirepass(密码)等。可乐云源码
启动redis-server前,需要确保安装并配置好配置文件。配置文件的加载由loadServerConfig()函数负责,这个函数位于src/config.c,主要任务是dubbospring注册源码读取配置文件内容,检查语法,将选项和参数解析并保存在内存中。启动时,通过读取命令行参数指定配置文件路径,如通过-p设置端口,kernel源码大全-a设置密码。
在配置文件中,包括指令用于引用其他配置文件,如`include`。如果遇到include,Redis会调用glob()函数扩展匹配规则,将相关配置文件合并到主配置中。`loadServerConfig`函数会处理各种选项,如从标准输入读取配置(config_from_stdin)和直接从命令行参数传递的选项(options)。
解析配置文件时,loadServerConfigFromString函数将字符串形式的配置逐行处理,如跳过注释行,分割参数,然后根据配置项类型和数量执行相应的设置操作。如果遇到如`rename-command`、`user`声明或`loadmodule`等特殊指令,会有对应的处理逻辑。
总的来说,Redis的配置文件加载过程严谨且灵活,它确保了服务器能在接收到正确配置后启动,提供了丰富的配置选项来满足不同场景的需求。若想深入了解,后续会有更多关于配置文件细节的探讨。