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asp.net mvc: why is Html.CheckBox generating an additional hidden input
... changed. Model binder shouldn't assume, that if value is not sent, it was set to false, because it could be your decision not to send this value.
– LukLed
Jul 28 '14 at 9:12
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How do you reset the Zoom in Visual Studio 2010 and above
How do you reset the "Zoom" in VS 2010 and above back to normal?
7 Answers
7
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Compare two DataFrames and output their differences side-by-side
...nd distinguish each frame with the keys parameter:
df_all = pd.concat([df.set_index('id'), df2.set_index('id')],
axis='columns', keys=['First', 'Second'])
df_all
It's probably easier to swap the column levels and put the same column names next to each other:
df_final = df_a...
how to POST/Submit an Input Checkbox that is disabled?
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To make it valid HTML, specifically set the value of readonly to readonly, i.e.: <input name="foo" value="bar" readonly="readonly" />
– Matt Huggins
Jan 18 '11 at 19:20
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Authenticating in PHP using LDAP through Active Directory
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@Neal You may be able to use ldap_set_option to make it behave in a different way. Perhaps setting the protocol version? You will have to experiment. I would personally suggest you check for an empty password anyway, just to be safe.
– d...
Apply CSS style attribute dynamically in Angular JS
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ngStyle directive allows you to set CSS style on an HTML element dynamically.
Expression which evals to an object whose keys are CSS style names and values are corresponding values for those CSS keys. Since some CSS style names are not valid keys for an...
How to set environment variable or system property in spring tests?
...ome beans require that some environment variables or system properties are set. How can I set an environment variable before the spring beans are initialized when using the convenient test style with @ContextConfiguration?
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Getting the IP address of the current machine using Java
...ed to be reachable.
Connect on a UDP socket has the following effect: it sets the destination for Send/Recv, discards all packets from other addresses, and - which is what we use - transfers the socket into "connected" state, settings its appropriate fields. This includes checking the existence of...
Will ConfigurationManager.AppSettings[“blah”] throw an exception if “blah” doesn't exist?
Will ConfigurationManager.AppSettings["blah"] throw an exception if "blah" doesn't exist in the web/app.config?
6 Answers
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how to permit an array with strong parameters
...>["", "2"],
Therefore, when declaring strong parameters, I explicitly set category_ids to be an array
params.require(:question).permit(:question_details, :question_content, :user_id, :accepted_answer_id, :province_id, :city, :category_ids => [])
Works perfectly now!
(IMPORTANT: As @Lenar...