[string]::IsNullOrEmpty($newVariable) OUTPUT 1 2 3 False This time, we got False because the $newVariable is not null or empty but contains a string type value, Hello World. 6.2 Using IsNullOrWhiteSpace() Method we can use the IsNullOrWhiteSpace() method to check if the specified str...
We are given an array and element.Our goal is to check if array contains the element. For instance, given an array[PowerShell", "Java", "PHP"], we want to check if the string"Java"is an element of this array. This simple query opens up a range of important considerations such as ...
[datetime]::Now'MinValue','MaxValue'|ForEach-Object{ [int]::$_} 三元运算符? <if-true> : <if-false> 在简单的条件情况下,可以使用三元运算符替代if-else语句。 有关详细信息,请参阅about_If。 Null 合并操作符?? 如果null 合并运算符??不为 null,则它返回其左操作数的值。 否则,它将计算右操...
Check if string contains invalid characters Check if string starts with letter/character. check installed memory with physical memory Check network drive connection Check object property existance check PKI certificate expiration Check string for two special characters back to back Check to see if user ...
{ passThru =value; } }privateboolpassThru;#endregionParameters#regionCmdlet Overrides//////The ProcessRecord method does the following for each of the///requested process names:///1) Check that the process is not a critical process.///2) Attempt to stop that process.///If no proces...
$server='Server01.Domain01.Fabrikam.com'Set-ItemWSMan:\localhost\Client\TrustedHosts-Value$server To add a computer name to an existing list of trusted hosts, first save the current value in a variable. Then set the value to a string containing a comma-separated list that includes t...
[System.String]$ServerName, [System.String]$DomainName, [System.String]$CARootName, [System.String]$CAServerFQDN, [System.String]$CertSubject, [System.String]$SMBShare, [Parameter(Mandatory=$true)] [ValidateNotNullorEmpty()] [PsCredential]$Credential) Configuration PullServer {Import-DscResource...
Still with us? Good, because – believe it or not – we’re almost done. How do we know whether or not this first file contains the string valueFailed? That’s easy; we just check to see if $strMatch has a value of some kind: ...
Well, one way to handle that is to convert both the string variable ($a) and the target text (RIPT) to all-lowercase or all-uppercase characters. This command returns the value True: Copy $d = $a.ToLower().Contains("RIPT".ToLower()) ...
contains the orphaned sites. R estart upgrade if necessary 执行升级后任务 升级过程分为两个组成部分:内容数据库升级和直观升级通过分离这两个组成部分,Share 工作组可以升级 Microsoft Office SharePoint Server 2007 Web 程序,而不使用户觉察到变化,因为他们的网站将保持原来的外观。借助浏览器,他们可以...