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How do I conditionally apply CSS styles in AngularJS?

...pulation (i.e., use ng-model), and then associating that model property to one of the built-in directives mentioned above. When the user changes the UI, Angular will automatically update the associated elements on the page. Q1 sounds like a good case for ng-class -- the CSS styling can be captu...
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What are the big improvements between guava and apache equivalent libraries?

...ity that is absent from their counterpart. Thus, limiting yourself to only one library might be unwise. That being said, if I had to choose, I'd opt to use Guava, keeping Apache Commons around for the (rare) cases where Guava does not have the needed functionality. Let me attempt to explain why. G...
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How to handle many-to-many relationships in a RESTful API?

...o delete the relationship from the other end as well if you delete it from one end, but rigorously handling this by using an underlying data model and then having the REST interface be a view of that model is going to make that easier. Relationship IDs probably ought to be based on UUIDs or somethi...
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How to concatenate a std::string and an int?

...TLSoft (header-only); most/all platforms safe-ish (you don't use more than one int_to_string() call in a single statement), fast; requires STLSoft (header-only); Windows-only is safe, but slow; requires Poco C++ ; most/all platforms ...
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Simplest way to do a fire and forget method in C#?

I saw in WCF they have the [OperationContract(IsOneWay = true)] attribute. But WCF seems kind of slow and heavy just to do create a nonblocking function. Ideally there would be something like static void nonblocking MethodFoo(){} , but I don't think that exists. ...
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Get the size of the screen, current web page and browser window

...et window width" and the content of this answer was on Google. A big minus one from me. – Maciej Krawczyk Jun 11 '16 at 7:43 2 ...
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Shortest distance between a point and a line segment

... is incorrect. A point near the line on which the segment lies but far off one end of the segment would be incorrectly judged near the segment. Update: The incorrect answer mentioned is no longer the accepted one. Here's some correct code, in C++. It presumes a class 2D-vector class vec2 {float x,y...
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Dynamically adding a form to a Django formset with Ajax

...d_more"> <script> $('#add_more').click(function() { cloneMore('div.table:last', 'service'); }); </script> In a javascript file: function cloneMore(selector, type) { var newElement = $(selector).clone(true); var total = $('#id_' + type + '-TOTAL_FORMS').val()...
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How to format a string as a telephone number in C#

I have a string "1112224444' it is a telephone number. I want to format as 111-222-4444 before I store it in a file. It is on a datarecord and I would prefer to be able to do this without assigning a new variable. ...
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What is the most appropriate way to store user settings in Android application

...cess the values so there's some security there, but physical access to a phone could potentially allow access to the values. If possible I'd consider modifying the server to use a negotiated token for providing access, something like OAuth. Alternatively you may need to construct some sort of crypt...