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How do I make a checkbox required on an ASP.NET form?

... javascript function for client side validation (using jQuery)... function CheckBoxRequired_ClientValidate(sender, e) { e.IsValid = jQuery(".AcceptedAgreement input:checkbox").is(':checked'); } code-behind for server side validation... protected void...
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How do I unit test web api action method when it returns IHttpActionResult?

...s to work without intimate knowledge of the controller implementation. Consider the following: public class MixedCodeStandardController : ApiController { public readonly object _data = new Object(); public IHttpActionResult Get() { return Ok(_data); } public IHttpActionRe...
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How do I join two SQLite tables in my Android application?

I have an Android project that has a database with two tables: tbl_question and tbl_alternative . 4 Answers ...
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How to implement a unique index on two columns in rails

... add_index :subscriptions, [:user_id, :content_id], unique: true share | improve this answer | follow | ...
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How do I execute a stored procedure once for each row returned by query?

... a stored procedure that alters user data in a certain way. I pass it user_id and it does it's thing. I want to run a query on a table and then for each user_id I find run the stored procedure once on that user_id ...
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What is “callback hell” and how and why does RX solve it?

...is other question has some examples of Javascript callback hell: How to avoid long nesting of asynchronous functions in Node.js The problem in Javascript is that the only way to "freeze" a computation and have the "rest of it" execute latter (asynchronously) is to put "the rest of it" inside a call...
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How to load external webpage inside WebView

My problem is that the webpage is not loaded inside the webview. 13 Answers 13 ...
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Posting a File and Associated Data to a RESTful WebService preferably as JSON

This is probably going to be a stupid question but I'm having one of those nights. In an application I am developing RESTful API and we want the client to send data as JSON. Part of this application requires the client to upload a file (usually an image) as well as information about the image. ...
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Django optional url parameters

...iews.foo), url(r'^project_config/(?P<product>\w+)/(?P<project_id>\w+)/$', views.foo), ) Keep in mind that in your view you'll also need to set a default for the optional URL parameter, or you'll get an error: def foo(request, optional_parameter=''): # Your code goes here ...
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Dynamically adding a form to a Django formset with Ajax

...gt; </div> {% endfor %} <input type="button" value="Add More" id="add_more"> <script> $('#add_more').click(function() { cloneMore('div.table:last', 'service'); }); </script> In a javascript file: function cloneMore(selector, type) { var newElement =...