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Devise form within a different controller

... As Andres says, the form calls helpers which are specified by Devise and so aren't present when you access a Devise form from a non-Devise controller. To get around this, you need to add the following methods to the helper class of the controller you...
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BeautifulSoup Grab Visible Webpage Text

Basically, I want to use BeautifulSoup to grab strictly the visible text on a webpage. For instance, this webpage is my test case. And I mainly want to just get the body text (article) and maybe even a few tab names here and there. I have tried the suggestion in this SO question that returns l...
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Create Directory if it doesn't exist with Ruby

... ["foo/bar"] Edit2: you do not have to use FileUtils, you may do system call (update from @mu is too short comment): > system 'mkdir', '-p', 'foo/bar' # worse version: system 'mkdir -p "foo/bar"' => true But that seems (at least to me) as worse approach as you are using external 'tool' wh...
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How to alias a table in Laravel Eloquent queries (or using Query Builder)?

...supports aliases on tables and columns with AS. Try $users = DB::table('really_long_table_name AS t') ->select('t.id AS uid') ->get(); Let's see it in action with an awesome tinker tool $ php artisan tinker [1] > Schema::create('really_long_table_name', function($...
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MongoDB Aggregation: How to get total records count?

...sults simultaneously in single query. I can't explain how I felt when I finally achieved it LOL. $result = $collection->aggregate(array( array('$match' => $document), array('$group' => array('_id' => '$book_id', 'date' => array('$max' => '$book_viewed'), 'views' => array('...
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How do I view events fired on an element in Chrome DevTools?

... what if all events point to minified jquery i dont care about, how do i reach the function that uses that jquery. – Muhammad Umer Oct 1 '14 at 19:15 ...
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Serializing PHP object to JSON

...ata->getJsonData());. In essence, implement the function from 5.4, but call it by hand. Something like this would work, as get_object_vars() is called from inside the class, having access to private/protected variables: function getJsonData(){ $var = get_object_vars($this); foreach ($va...
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ViewPager with previous and next page boundaries

... Community♦ 111 silver badge answered Dec 21 '12 at 20:29 CommonsWareCommonsWare 873k16116...
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string sanitizer for filename

...a whitelist of characters you are happy to be used? For example, you could allow just good ol' a-z, 0-9, _, and a single instance of a period (.). That's obviously more limiting than most filesystems, but should keep you safe. ...
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Is there any haskell function to concatenate list with separator?

...gonkai Not sure what exactly you're referring to, but yes, these functions all allow arbitrary strings as both the separator and the elements. For example, intercalate "," ["some", "", "string"] = "some,,string" and intercalate "" ["foo", "bar"] = "foobar" – Niklas B. ...