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Rails Model, View, Controller, and Helper: what goes where?
...equests and works out what data (Models) to show and what Views to render. If you are in doubt about whether code should go in the controller, then it probably shouldn't. Keep your controllers skinny.
View: The view should only contain the minimum code to display your data (Model), it shouldn't do ...
How to get nth jQuery element
....eq(n) will basically ignore the grouping, and get all options as a whole. If you want it per group, something like this is necessary: $('select').find('optgroup').each(function() { $(this).find('option').eq(n)...; })
– Dykam
Jan 30 '15 at 9:04
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How can I select random files from a directory in bash?
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If you have filenames with newlines: find dirname -type f -print0 | shuf -zn1
– Hitechcomputergeek
Dec 14 '16 at 7:43
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Why / when would it be appropriate to override ToString?
... a string representation, ToString is a prime candidate (there are others, if you want to provide more elaborate formatting options).
Concretely,
Console.WriteLine(yourObject);
would invoke yourObject.ToString().
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Why is it common to put CSRF prevention tokens in cookies?
... single page app, so it would be useful where state needs to flow between different page requests where the CSRF value cannot normally persist in the browser).
Consider the following scenarios and processes in a typical application for some pros and cons of each approach you describe. These are bas...
DateTime2 vs DateTime in SQL Server
...r date range, a larger default fractional precision, and optional user-specified precision. Also depending on the user-specified precision it may use less storage.
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How do I import a namespace in Razor View Page?
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For VB.Net:
@Imports Mynamespace
Take a look at @ravy amiry's answer if you want to include a namespace across the app.
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What does the 'b' character do in front of a string literal?
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@Gweebz - if you're actually typing out a string in a particular encoding instead of with unicode escapes (eg. b'\xff\xfe\xe12' instead of '\u32e1').
– detly
Jun 8 '11 at 2:44
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Can Eclipse refresh resources automatically?
...th out-of-sync resources (files that have been edited outside of the IDE) differently from other IDEs that I've used, where only resources with editors open are considered out-of-sync. In Eclipse, any resource can go out of sync.
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Checking user's homepage in Internet Explorer
Google displays a popup that asks if you want to set your home page as google.com. It's quite normal, when I say OK it sets it as google.com. After that however, I don't get the popup anymore. As far as I know, nobody should be able to retrieve the value of my homepage because it's a private info. B...