Variable names in PowerShell start with a dollar sign and contain a mix of numbers, letters, symbols and spaces. For instance,$var="HELLO"stores the stringHELLOin the$varvariable. As another example, the previous code instance uses the variable$ito hold the value evaluated within theforloop....
Check if HyperThreading is enabled Check if IIS running on a remote server check if object is $null Check if OS is 32bit or 64bit check If Process Is Running in another computer Check if SMB1 is enabled on the AD servers Check if string contains invalid characters Check if string star...
If the literal contains a decimal point or the e-notation, the literal string is parsed as a real number. If the decimal-suffix is present then directly into[decimal]. Else, parse as[double]and apply multiplier to the value. Then check the type suffixes and attempt to cast into appropriat...
DependsOn now supports numbers in resource instance names. Node expressions that evaluate to empty no longer throw errors. An error that occurs if a node expression evaluates to empty has been fixed. Configurations calling configurations now work in the Windows PowerShell console. ...
On Unix, only positive numbers between [byte]::MinValue and [byte]::MaxValue are allowed. A negative number in the range of -1 through -255 is automatically translated into a positive number by adding 256. For example, -2 is transformed to 254....
If you work with database types, you may get back a[dbnull]::Valuewhich is equivalent to$nullwithin the database, but in PowerShell, this was not equal to$nullso you can’t compare it directly. This change fromJoel Sallowallows you to compare both[dbnull]::Valueand[nullstring]::Valu...
if ($path.StartsWith("\\")) { # code goes here } Windows PowerShell even provides a form of autocompletion for variables' methods, reducing the amount of typing you have to do. If $var contains a string, you can type $var.
As you can see (assuming you have a basic understanding of regular expressions), our first condition checks to see if $a contains 8 consecutive numbers (\d{8}). If it does, we echo back the fact that the color is red. In the second condition, we check to see if $a has 7 consecu...
Control index numbers are implied rather than explicit, and they are determined by the order in which they are added to the main Form in the InitializeComponent method. If you look at the source code of my dummy application, you'll see: ...
Speaking of metadata, you can get another view into which version is currently presented as being in %WinDir% by using fsutil.exe. The full SxS path also contains a version indicator. Now go forth and correctly judge Windows binary version numbers!