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Automatically plot different colored lines

... I want them to all be different colors. I have a kludged solution using a string 'rgbcmyk' and stepping through it for each separate plot, but I start having duplicates after 7 iterations. Is there an easier/more efficient way to do this, and with more color options? ...
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On a CSS hover event, can I change another div's styling? [duplicate]

When I hover over a div or class with an id of "a", can I get the background color of a div or class with the id of "b" to change? ...
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Validate uniqueness of multiple columns

Is there a rails-way way to validate that an actual record is unique and not just a column? For example, a friendship model / table should not be able to have multiple identical records like: ...
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What is the easiest way to duplicate an activerecord record?

...record record, changing a single field in the process (in addition to the id ). What is the simplest way to accomplish this? ...
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How to add Google Analytics Tracking ID to GitHub Pages

... but I am full of doubts right now about adding Google Analytics Tracking ID to GitHub page . 7 Answers ...
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Adding a parameter to the URL with JavaScript

...arch based solution, but that depends completely on the length of the querystring and the index of any match the slow regex method I benchmarked against for completions sake (approx +150% slower) function insertParam2(key,value) { key = encodeURIComponent(key); value = encodeURIComponent(val...
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How to set target hosts in Fabric file

...file.org/issues/show/138#change-1497) it is better to include user in host string (like produser@prod.server.com) instead of setting env.user. – Mikhail Korobov Feb 16 '11 at 0:45 ...
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How to set Default Controller in asp.net MVC 4 & MVC 5

...MapRoute( "Default", // Route name "{controller}/{action}/{id}", // URL with parameters* new { controller = "Home", action = "Index", id = UrlParameter.Optional } ); as the default landing page. You can change that to be any route you wish. routes.MapRoute( ...
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Filtering for empty or NULL names in a queryset

...exclude(alias__isnull=True) If you need to exclude null values and empty strings, the preferred way to do so is to chain together the conditions like so: Name.objects.exclude(alias__isnull=True).exclude(alias__exact='') Chaining these methods together basically checks each condition independent...
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Extract a regular expression match

I'm trying to extract a number from a string. 12 Answers 12 ...