如果您只需要值,可以使用Values屬性來解決此問題。 PowerShell PS>$ageList.Values |Measure-Object-AverageCount :2Average :22.5 列舉索引鍵並使用這些索引鍵來存取值通常更有用。 PowerShell PS>$ageList.Keys |ForEach-Object{$message='{0} is {1} years old
我在工作中经常用到它,现在想停下来讨论一下它(hashtable).昨天夜里小组会议后我教了一些同事如何使用hashtable,我很快意识到初识hashtable时我也曾经有与他们相同的困惑.Hashtable在powershell里着实非常重要因此我们需要对它有充会的理解. 首先,我想让你们把hastable看作传统意义上定义的集合.这将会使你对后面它在...
also known as a dictionary or associative array, is a compact data structure that stores one or more key-value pairs. For example, a hash table might contain a series of IP addresses and computer names, where the IP addresses are the keys and the computer names are the values, or vice...
In the array access notation, you can use keys to get a list of all of the values in the table. PS (8) > $user[$user.keys] Smith John 555-1212 You might have noticed that the keys property didn’t return the keys in alphabetical order. This is because of the way hashtables wor...
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Selects objects from indexed collections, such as arrays and hash tables. Array indexes are zero-based, so the first object is indexed as[0]. You can also use negative indexes to get the last values. Hash tables are indexed by key value. ...
直接赋值:输入类型和期望类型一致,可以直接交付。 基于语言的类型转换:当目标类型为void,Boolean,String,Array,Hashtable,PSReference(i.e.: [ref]),XmlDocument,Delegate和Enum时,基于语言的类型转换(.NET提供的)开始工作。 Parse 转换:如果目标类型包含了...
$script_sp_with_errors=@' CREATE PROCEDURE [dbo].[TestProcedure3] AS BEGIN CREATE TABLE [dbo].[TestTable] (col INT NOT NULL); INSERT INTO [dbo].[TestTable] VALUES (NULL); -- will cause an error END GO '@# Create a test databaseInvoke-SqlCmd-ServerInstanceMyServer-Query'CREATE DAT...
Creates a WSMan Session option hashtable to use as input parameters to the following WSMan cmdlets: Connect-WSMan, Get-WSManInstance, Invoke-WSManAction, Set-WSManInstance. Out-Default Sends the output to the default formatter and the default output cmdlet. It is a placeholder that lets you...
Replace char[] array in CompletionRequiresQuotes with cached SearchValues (#24907) (Thanks @ArmaanMcleod!) Update IndexOfAny calls with invalid path/filename to SearchValues<char> for more efficient char searching (#24896) (Thanks @ArmaanMcleod!) Seal internal types in PlatformInvokes (#24826)...