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What do querySelectorAll and getElementsBy* methods return?

...Name (and similar functions like getElementsByTagName and querySelectorAll ) work the same as getElementById or do they return an array of elements? ...
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ASP.NET WebApi unit testing with Request.CreateResponse

... new HttpConfiguration()); If you are upgrading to webapi 5.0, then you'll need to change this to: controller.Request = new HttpRequestMessage(); controller.Request.SetConfiguration(new HttpConfiguration()); The reason why you need to do this is because you have to have Re...
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How to upload files to server using JSP/Servlet?

...ation/x-www-form-urlencoded. The request.getParameter() and consorts would all return null when using multipart form data. This is where the well known Apache Commons FileUpload came into the picture. Don't manually parse it! You can in theory parse the request body yourself based on ServletReques...
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What are database normal forms and can you give examples? [closed]

...piece of information, and there can be no duplicate rows. 2NF and 3NF are all about being dependent on the primary key. Recall that a primary key can be made up of multiple columns. As Chris said in his response: The data depends on the key [1NF], the whole key [2NF] and nothing but the key [3NF] ...
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MVC 4 Razor File Upload

I am new to MVC 4 and I am trying to implement File Upload Control in my website. I am not able to find the mistake.I am getting a null value in my file. ...
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Difference between webdriver.Dispose(), .Close() and .Quit()

...ose the browser window that the driver has focus of webDriver.Quit() - Calls Dispose() webDriver.Dispose() Closes all browser windows and safely ends the session The code below will dispose the driver object, ends the session and closes all browsers opened during a test whether the test fa...
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Markdown vs markup - are they related?

...they related? Please explain. If I want to implement one or the other in a web project (like stackoverflow) what do I need to use? ...
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Detecting an “invalid date” Date instance in JavaScript

... Here's how I would do it: if (Object.prototype.toString.call(d) === "[object Date]") { // it is a date if (isNaN(d.getTime())) { // d.valueOf() could also work // date is not valid } else { // date is valid } } else { // not a date } Update [2018-05-31]: If you...
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Error :Request header field Content-Type is not allowed by Access-Control-Allow-Headers

I created an mvc4 web api project using vS2012. I used following tutorial to solve the Cross-Origin Resource Sharing, "http://blogs.msdn.com/b/carlosfigueira/archive/2012/07/02/cors-support-in-asp-net-web-api-rc-version.aspx". It is working successfully, and i post data from client side to server s...
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Convert UTC/GMT time to local time

...teTimeKind.Utc Now, once the system knows its in UTC time, you can just call ToLocalTime: DateTime dt = convertedDate.ToLocalTime(); This will give you the result you require. share | improve t...