$person.remove('age') 指派$null值只會讓您擁有具有$null值的索引鍵。 清除哈希表的常見方法是將它初始化為空的哈希表。 PowerShell $person= @{} 雖然運作正常,但請嘗試改用 函式clear()。 PowerShell $person.clear() 這是使用函式建立自我記錄程序代碼的其中一個實例,而且會讓程式碼的意圖非常清楚。
最常用的属性是Count、Keys、Values和Item。 指示对象中的键值对数的 Count属性。 Keys属性是或字典中hashtable键名称的集合。 PowerShell PS>$hash.Keys three21PS>$dictionary.Keys12three Values属性是或字典中hashtable值的集合。 PowerShell PS>$hash.Values3two one PS>$dictionary.Values one two3 ...
The Remove-Module cmdlet removes the members of a module, such as cmdlets and functions, from the current session. If the module includes an assembly (.dll), all members that are implemented by the assembly are removed, but the assembly isn't unloaded. T
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if(-not (Test-Path $basePath)) { $null = New-Item $basePath -Force } Set-ItemProperty $basePath -Name EnableScriptBlockLogging -Value “1” }function Disable-PSScriptBlockLogging { Remove-Item HKLM:\Software\Policies\Microsoft\Windows\PowerShell\ScriptBlockLogging -Force -Recurse }...
Enter-PSSession[-HostName] <String> [-Options <Hashtable>] [-Port <Int32>] [-UserName <String>] [-KeyFilePath <String>] [-Subsystem <String>] [-ConnectingTimeout <Int32>] [-SSHTransport] [<CommonParameters>] PowerShell Enter-PSSession[[-Session] <PSSession>] [<CommonParameters>] ...
# If npm install fails, the node_modules directory is removednpm install ||Remove-Item-Recurse./node_modules For more information, seeAbout_Pipeline_Chain_Operators. Range operator.. The range operator can be used to represent an array of sequential integers or characters. The values joined by...
[int] 、[long]、[string] 、[char] 、[bool] 、[byte] 、[double] 、[decimal] 、[single] [array] :数组对象 [xml] :XML对象 [hashtable] :哈希表对象,类似于一个字典对象 二、常量 PowerShell常量的值永远不会变。常量不能被删除。 使用常量之前,需要通过Set-Variable来创建常量,且指定一些参数来使...
IModuleAssemblyCleanup allows//you to register code to run when a module is removed (with Remove-Module).//Make sure it is also public with a public parameterless contructor//and implements IModuleAssemblyCleanup.publicclassMyModuleCleanup:IModuleAssemblyCleanup{publicvoidOnRemove(){AppDomain.CurrentDo...
Remove-Item function:\MyCustomFunction Remove-Item alias:\new Although the Prompt function returns a simple string, you can also use the function for more complex tasks. For example, many users update their console window title (by changing the $host.UI.RawUI.WindowTitle variable) or use the...