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C# DropDownList with a Dictionary as DataSource

... though. Unless you really need them to be this way, you might want to consider writing your code as: list.Add(cul.DisplayName, cod); (And then changing the binding to use "Key" for DataTextField and "Value" for DataValueField, of course.) In fact, I'd suggest that as it seems you really do want...
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No secret option provided to Rack::Session::Cookie warning?

... /usr/local/lib/ruby/gems/1.9.1/gems/actionpack-3.2.9/lib/action_dispatch/middleware/session/abstract_store.rb module Compatibility def initialize(app, options = {}) options[:key] ||= '_session_id' #fixed warning - SECURITY WARNING: No secret option provided to...
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How do I create a parameterized SQL query? Why Should I?

...SQL queries to protect against SQL injection attacks without having to vailidate every piece of user input. 6 Answers ...
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Clear form field after select for jQuery UI Autocomplete

... It did fix it. I tried to accept, but it told me I couldn't for 7 more minutes. Accepted. Thanks. – Jon F Hancock Apr 1 '10 at 16:42 ...
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Most efficient way to check for DBNull and then assign to a variable?

...y; return row[columnName] as string ?? string.Empty; } Usage: int? id = row.GetValue<int>("Id"); string name = row.GetText("Name"); double? price = row.GetValue<double>("Price"); If you didn't want Nullable<T> return values for GetValue<T>, you could easily return d...
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Showing the stack trace from a running Python application

..., signal def debug(sig, frame): """Interrupt running process, and provide a python prompt for interactive debugging.""" d={'_frame':frame} # Allow access to frame object. d.update(frame.f_globals) # Unless shadowed by global d.update(frame.f_locals) i = code.Intera...
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Automating “enter” keypresses for bash script generating ssh keys

...works fine, although it looks like the dash from ssh-keygen got dropped - did you add that back in? {edited} Also - you can't run the script more than once - it changes the questions to confirm you want to overwrite the existing _rsa keyfile (so a y or n needs to be supplied) –...
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Mysql: Select rows from a table that are not in another

...o the subselect based on a column name, not *. For example, if you had an id field common to both tables, you could do: SELECT * FROM Table1 WHERE id NOT IN (SELECT id FROM Table2) Refer to the MySQL subquery syntax for more examples. ...
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Checking if a SQL Server login already exists

... OK, thanks. I guess it's like table names in SELECT statements. Maybe the idea is to decrease the surface area vulnerable to attacks, though I don't know that it would help. – LarsH Apr 30 '14 at 18:38 ...
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How do you discover model attributes in Rails?

..., you can use Model.inspect. irb(main):001:0> User.inspect => "User(id: integer, email: string, encrypted_password: string, reset_password_token: string, reset_password_sent_at: datetime, remember_created_at: datetime, sign_in_count: integer, current_sign_in_at: datetime, last_sign_in_at: ...