Negative numbers count from the end of the array. For example, -1 refers to the last element of the array. To display the last three elements of the array, in index ascending order, type:PowerShell Copy $a = 0 .. 9 $a[-3..-1] Output Copy ...
$array1 = 2,1,3 [System.Collections.ArrayList]$array2 = "string1",'string2','string3','string4','string5','string6' foreach($element in $array1){ $my_variable = $array2[0..($element - 1)] Write-Host my_variable contains $my_variable $array2.RemoveRange(0,$element) } 因...
If we try to update an item that is past the last element, then we get an Index was outside the bounds of the array. error.PowerShell Copy PS> $data[4] = 'four' Index was outside the bounds of the array. At line:1 char:1 + $data[4] = 'four' + ~~~ + CategoryInfo : ...
$first = $oldArray[0] Caution This behavior can be misleading, if you get down to 1 element left in the array and do `$oldArray = $oldArray[1 .. ($oldArray.count-1)]`it will not remove the last element $oldArray = $oldArray[1 .. ($oldArray.count-1)] But that’s still t...
primary-expression: value member-access element-access invocation-expression post-increment-expression post-decrement-expression value: parenthesized-expression sub-expression array-expression script-block-expression hash-literal-expression literal type-literal variable 7.1...
match.18返回最前的几个匹配项19Last20Returnthe last matching element21返回最后的几个匹配项22SkipUntil23Skipuntilthe condition istrue, thenreturnthe rest24忽略第一次匹配之前的所有项,并返回剩下的所有项,且包含第一匹配项25Split26Returnan array of two elements, first index is matched elements, second...
Change the value of an array element in ForEach loop? Changing contents of a text box multiple times in a powershell form Changing email Categories with PowerShell Changing file time Changing Local Group Policy and Local Security Policy via PowerShell Changing nth character for each item of a ...
public classApp {public static voidmain(String[] args) {//精确到毫秒//获取当前时间戳最近项目上...
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. ...
'VBA删除空白列 Sub DeleteEmptyRows() Dim LastRow As Long, r As Long LastRow = Activ...