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How to get the list of all printers in computer
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If you need more information than just the name of the printer you can use the System.Management API to query them:
var printerQuery = new ManagementObjectSearcher("SELECT * from Win32_Printer");
foreach (var printer in prin...
How do I run a Ruby file in a Rails environment?
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The simplest way is with rails runner because you don't need to modify your script.
http://guides.rubyonrails.org/command_line.html#rails-runner
Just say rails runner script.rb
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Distinct not working with LINQ to Objects
...custom objects.
All it does is look at your list and see that it has two different objects (it doesn't care that they have the same values for the member fields).
One workaround is to implement the IEquatable interface as shown here.
If you modify your Author class like so it should work.
public...
Is it possible to capture a Ctrl+C signal and run a cleanup function, in a “defer” fashion?
...can use this to trap os.Interrupt.
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt)
go func(){
for sig := range c {
// sig is a ^C, handle it
}
}()
The manner in which you cause your program to terminate and print information is entirely up to you.
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One class per file rule in .NET? [closed]
...follow this rule but some of my colleagues disagree with it and argue that if a class is smaller it can be left in the same file with other class(es).
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R script line numbers at error?
If I am running a long R script from the command line (R --slave script.R), how can I get it to give line numbers at errors?
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onCreateOptionsMenu inside Fragments
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it won't be called if you don't add this line: setHasOptionsMenu(true);
– Yoann Hercouet
Sep 21 '13 at 10:01
10
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How does one escape backslashes and forward slashes in VIM find/search?
For instance, if I wanted to a find and replace with strings containing backward or forward slashes, how would this be accomplished in vim? Thank you!
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Generate colors between red and green for a power meter?
... N steps, each step you increment X by (Y-X)/N - though it will look nicer if you move in the HSV space rather than RGB
– Paul Dixon
Sep 19 '14 at 15:44
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Search an Oracle database for tables with specific column names?
...e database with many tables. Is there a way I can query or search to find if there are any tables with certain column names?
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