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Rails find_or_create_by more than one attribute?

There is a handy dynamic attribute in active-record called find_or_create_by: 5 Answers ...
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Xcode 6 / Beta 4: using bridging headers with framework targets is unsupported

I just upgraded to Xcode 6 Beta 4 and have a framework that I created for Live Views in Beta 2. Due to another swift bug , I needed to use some Obj-C code. When upgrading though, I get the following error: ...
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Getting current directory in .NET web application

So I have a web project, and I'm trying to get the root directory of the website using the c# method Directory.GetCurrentDirectory() . I don't want to be using a static path as the file locations will be changing in the future. This method is running in my imageProcess.aspx.cs file, but where I t...
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How can I determine the current line number in JavaScript?

...nism for determining the line number of the currently executing statement (and if so, what is it)? 8 Answers ...
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Adding multiple class using ng-class

...tiple class like ng-class="{'class1 class2' : expression1}" just test that and did not worked at all, solution as @CodeHater said "To apply multiple classes when an expression holds true:" that made the trick – d1jhoni1b Jul 14 '14 at 22:51 ...
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Why can't I make a vector of references?

... not assignable (you can only initialize them once when they are declared, and you cannot make them reference something else later). Other non-assignable types are also not allowed as components of containers, e.g. vector<const int> is not allowed. ...
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How can I remove or replace SVG content?

... Thanks, however if i remove a chart and then immediately try to add a new chart, it does not get added? Any suggestion, thank you. – codingbbq Feb 25 '15 at 10:24 ...
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What purpose does a tag serve inside of a tag?

...e been on a "view source" spree lately on websites with interesting design and content. One of those websites, Squarespace , has blocks of <script> tags inside of a <noscript> tag, like so: ...
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UIButton remove all target-actions

...Target:action:forControlEvents:, pass nil for the target, NULL for action, and use a control mask that sets all bits (UIControlEventAllEvents). Objective-C [someControl removeTarget:nil action:NULL forControlEvents:UIControlEventAllEvents]; Swift 2 button.removeTarget(...
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Twitter Bootstrap Tabs: Go to Specific Tab on Page Reload or Hyperlink

I'm developing a web page in which I'm using Twitter's Bootstrap Framework and their Bootstrap Tabs JS . It works great except for a few minor issues, one of which is I do not know how go directly to a specific tab from an external link. For example: ...