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How to get the list of all printers in computer
I need to get the list of all printers that connect to computer?
6 Answers
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Changing every value in a hash in Ruby
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@Andrew Marshall Right you are, thanks. In Ruby 1.8, Hash.[] doesn't accept an array of array pairs, it requires an even number of direct arguments (hence the splat up front).
– Phrogz
Mar 4 '11 at 3...
Insert auto increment primary key to existing table
...ering if it's possible to insert data into the primary key column automatically (I already have 500 rows in DB and want to give them id but I don't want to do it manually). Any thoughts? Thanks a lot.
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Accessing Google Spreadsheets with C# using Google Data API
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Given a SpreadsheetEntry you've already retrieved, you can get a list of all worksheets in this spreadsheet as follows:
AtomLink link = entry.Links.FindService(GDataSpreadsheetsNameTable.WorksheetRel, null);
WorksheetQuery query = new WorksheetQuery(link.HRef.ToString());
WorksheetFeed feed = se...
Proper way to exit iPhone application?
... it to exit due to certain user actions. After cleaning up memory the app allocated, what's the appropriate method to call to terminate the application?
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When to use Comparable and Comparator
...---------------------------------------¦
¦ Implemented frequently in the API by: ¦ Meant to be implemented to sort ¦
¦ String, Wrapper classes, Date, Calendar ¦ instances of third-party classes. ¦
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JSON serialization of Google App Engine models
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There is a small mistake in the code: Where you have "output[key] = to_dict(model)" it should be: "output[key] = to_dict(value)". Besides that it's perfect. Thanks!
– arikfr
Nov 7 '09 at 22:02
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Right HTTP status code to wrong input
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We had the same problem when making our API as well. We were looking for an HTTP status code equivalent to an InvalidArgumentException. After reading the source article below, we ended up using 422 Unprocessable Entity which states:
The 422 (Unprocessable Entit...
Why do Java programmers like to name a variable “clazz”? [closed]
...nvention ? I think 'clazz' is not even an English word , has no meaning at all , how can so many programmers name a wrong name coincidentally ?
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Should I use 'has_key()' or 'in' on Python dicts?
...y() is specific to Python 2 dictionaries. in / __contains__ is the correct API to use; for those containers where a full scan is unavoidable there is no has_key() method anyway, and if there is a O(1) approach then that'll be use-case specific and so up to the developer to pick the right data type f...