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How to remove a field from params[:something]
My registration form, which is a form for the Users model, takes a string value for company. However, I have just made a change such that users belongs_to companies. Therefore, I need to pass an object of Company to the Users model.
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Postgresql GROUP_CONCAT equivalent?
...me_column, ',' ORDER BY some_column) or even string_agg(surname || ', ' || forename, '; ' ORDER BY surname, forename)
– IMSoP
May 16 '13 at 14:33
9
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How to get the class of the clicked element?
...dds a click event to each "li" tag, and then retrieves the class attribute for the clicked element. Hope it helps.
$("li").click(function() {
var myClass = $(this).attr("class");
alert(myClass);
});
Equally, you don't have to wrap the object in jQuery:
$("li").click(function() {
var myC...
@Html.HiddenFor does not work on Lists in ASP.NET MVC
...to add more items to this List with jQuery which makes an array unsuitable for expansion later on. Normally you would use
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Understanding Linux /proc/id/maps
...memory use. The /proc/pid/maps utility/file seems to be a good resource for seeing the details. Unfortunately I don't understand all the columns and entries.
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`ui-router` $stateParams vs. $state.params
...ams.
I doubt there are any best practice guidelines, but context wins out for me. If you simply want access to the params received into the url, then use $stateParams. If you want to know something more complex about the state itself, use $state.
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What's the difference between session.Merge and session.SaveOrUpdate?
...save afterwords or I can assume merge has created the new entity in the DB for sure ? (and if it's an detached entity, once merge is the changes omitted to the DB automatically ?)
– Dani
Nov 30 '09 at 12:30
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How can I return an empty IEnumerable?
...eration because it would create an instance of a list (and allocate memory for it in the process)
– Igor Pashchuk
Jun 30 '11 at 20:14
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Deserializing JSON data to C# using JSON.NET
...ze JSON array into type 'System.String'." when it's trying to deserialize (for example) the JSON givenname array into the class GivenName string. The JSON attributes that I have defined as string in the C# class are only ever single element arrays. This is why I started picking out the values one ...
input type=file show only button
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This answer is so simple and elegant and has worked for all browsers.
– Mike.C.Ford
Mar 19 '15 at 15:55
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