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Difference between attr_accessor and attr_accessible
... is that when you create somehow a link between a (Rails) model with a database table, you NEVER, NEVER, NEVER need attr_accessor in your model to create setters and getters in order to be able to modify your table's records.
This is because your model inherits all methods from the ActiveRecord::Ba...
How do I return NotFound() IHttpActionResult with an error message or exception?
...he droids you're looking for.");
}
}
If you used a custom controller base class (instead of directly inheriting from ApiController), you could also eliminate the "this." part (which is unfortunately required when calling an extension method):
public class CustomApiController : ApiController
{...
What is the most pythonic way to check if an object is a number?
...re multiplying a vector by X. In this case you want to do different things based on what X is. (It might act as something that multiplies, but the result might be nonsensical.)
– Evgeni Sergeev
May 2 '15 at 5:34
...
What are the best use cases for Akka framework [closed]
...: MQ systems and alternatives. RabbitMQ, for example, is built on an actor-based programming language, Erlang. That's one way to think about the relation (and distinction) between actor and MQ. Meanwhile Apache Spark is neither worker-and-queue nor Actor-based, BUT can be used with Akka: Typesafe de...
Accessing Session Using ASP.NET Web API
...ative);
}
}
This solution has the added bonus that we can fetch the base URL in javascript for making the AJAX calls:
_Layout.cshtml
<body>
@RenderBody()
<script type="text/javascript">
var apiBaseUrl = '@Url.Content(ProjectNameSpace.WebApiConfig.UrlPrefixRelati...
Custom method names in ASP.NET Web API
...outes. Luckily enough, you can easily do that by using either a Convention-Based and/or an Attribute-Based approach (aka Attribute Routing).
Convention-Based
In your Startup.cs class, replace this:
app.UseMvc();
with this:
app.UseMvc(routes =>
{
// Route Sample A...
How to get ELMAH to work with ASP.NET MVC [HandleError] attribute?
...(no need to copy) so that it logs the exception with ELMAH and only if the base implementation handles it. The minimal amount of code you need is as follows:
using System.Web.Mvc;
using Elmah;
public class HandleErrorAttribute : System.Web.Mvc.HandleErrorAttribute
{
public override void OnExce...
Get number days in a specified month using JavaScript? [duplicate]
...
in Javascript months a 0-based, so while this seems right it is inconsistent with other javascript functions
– Greg
Jul 26 '09 at 11:43
...
Convert SVG to image (JPEG, PNG, etc.) in the browser
...s");
var img = canvas.toDataURL("image/png");
// do what you want with the base64, write to screen, post to server, etc...
});
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What is scope/named_scope in rails?
...u marked those who receive a newsletter by adding a field to the Users Database (user.subscribed_to_newsletter = true). Naturally, you sometimes want to get those Users who are subscribed to your newsletter.
You could, of course, always do this:
User.where(subscribed_to_newsletter: true).each do #...