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File Upload using AngularJS

...nfortunately that is a browser object not available in Internet Explorer 9 and below. If you need to support those older browsers, you will need a backup strategy such as using <iframe> or Flash. There are already many Angular.js modules to perform file uploading. These two have explicit sup...
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How to create a multi-tenant database with shared table structures?

...quires the use of more sophisticated design patterns. As for technical and business considerations, the article makes a brief analysis on where a certain approach might be more appropriate than another: The number, nature, and needs of the tenants you expect to serve all affect your data...
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Should I use alias or alias_method?

...ned in the Module class.) alias's behavior changes depending on its scope and can be quite unpredictable at times. Verdict: Use alias_method - it gives you a ton more flexibility. Usage: def foo "foo" end alias_method :baz, :foo ...
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How to put an image in div with CSS?

... This answer by Jaap : <div class="image"></div>​ and in CSS : div.image { content:url(http://placehold.it/350x150); }​ you can try it on this link : http://jsfiddle.net/XAh2d/ this is a link about css content http://css-tricks.com/css-content/ This has been teste...
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bool to int conversion

... int x = 4<5; Completely portable. Standard conformant. bool to int conversion is implicit! §4.7/4 from the C++ Standard says (Integral Conversion) If the source type is bool, the value false is converted to zero and the value true is converted to one. ...
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Django Rest Framework - Could not resolve URL for hyperlinked relationship using view name “user-det

...n login to view their wine cellar. My ModelViewSets were working just fine and all of a sudden I get this frustrating error: ...
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What's the difference between belongs_to and has_one?

What is the difference between a belongs_to and a has_one ? 5 Answers 5 ...
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Delete an element from a dictionary

... del/assignment/etc. means you're going from constant time to linear time, and also using linear space. For small dicts, this is not a problem. But if you're planning to make lots of copies of large dicts, you probably want a different data structure, like a HAMT (as described in this answer). ...
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What is the difference between IEqualityComparer and IEquatable?

I want to understand the scenarios where IEqualityComparer<T> and IEquatable<T> should be used. The MSDN documentation for both looks very similar. ...
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What is __declspec and when do I need to use it?

... seen instances of __declspec in the code that I am reading. What is it? And when would I need to use this construct? 6 A...