The first command gets a printer configuration by usingGet-PrintConfiguration. The command stores the result in the $PrintConfiguration variable. The second command assigns the value A4 to thepaperSizeproperty of $PrintConfiguration. The final command sets the value of the printer configuration to the...
Assign a value from App.Config to a Attribute of a Property assigning a tooltip for a label Assigning and returning a value in the same statement Assigning each letter of the alphabet a numeric value ? Assigning the Scientific Notation(with E) to Double Variable Assigning values to XML Element...
PowerShell 复制 PS C:\>$printJob = Get-PrintJob - PrinterName "PrinterName" -ID 1 PS C:\>Resume-PrintJob -InputObject $printJob This set of commands retrieves the print job with an ID of 1 into a variable ($printJob) using Get-PrintJob, and then passes the contents of the ...
Adds variables to python traceback. Simple, lightweight, controllable. Debug reasons of exceptions by logging or pretty printing colorful variable contexts for each frame in a stacktrace, showing every value. Dump locals environments after errors to console, files, and loggers. Works in Jupyter and...
echo print() printf() print_r() echo 可以一次输出多个值，多个值之间用逗号分隔。echo是语言...
printenv variable declare: -p display the attributes and value of each NAME -n name reference -x make NAME export -i make NAME have the integer attribute 0) value is interpreted as 0 1) value is interpreted as integer 2) Error
while "echo $PWD" prints the value of the PWD environment variable, which stores the current working directory. Typically, both will give you the same result. However, if the current directory is changed by another program, the PWD variable might not update until the next prompt, leading to...
On Unix, the return value is the exit status of the process encoded in the format specified forwait(). On Windows, the return value is that returned by the system shell after runningcommand. The shell is given by the Windows environment variableCOMSPEC: it is usuallycmd.exe, which returns...
shell pythoncommand: run a python command (can also be achieved by doing!pythoncommand) set option value: sets the value of an option, e.g.set mainviz 3D connect block_until_online: wait for the printer to be online. For instance you can dopython pronsole.py -e "connect" -e "block...
You can use thelp.tellprogram to send fault messages to the LP print service. This program is referenced by theLPTELLshell variable in the standard printer interface code. The program takes standard input and sends it to the LP print service, where it is put into the message that alerts ...