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Change the name of the :id parameter in Routing resources for Rails
...our routes.rb file:
# config/routes.rb
resources :posts, param: :slug
# app/controllers/posts_controller.rb
# ...
@post = Post.find_by(slug: params[:slug])
# ...
As of the release of Rails 4, this functionality is documented in the Rails Guides.
Rails 3
Unfortunately, in Rails 3, the :key op...
Making custom right-click context menus for my web-app
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When using the new fiddle, if you the popup appears transparent if you use any other html elements on the page. EDIT: Adding background colour to css solves it.
– Holloway
Oct 9 '14 at 10:24
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Injecting a mock into an AngularJS service
...ue you don't actually need to explicitly inject myDependency anywhere. It happens under the hood during the injection of myService. When setting up mockDependency here, it could just as easily be a spy.
Thanks to loyalBrown for the link to that great video.
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How to resolve “Waiting for Debugger” message?
...have HTC Comet connected to Eclipse with SDK 2.2. I do a debug build - the application does not run; though it does get installed on the device. On the device I get this message box on the Comet screen
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Tools for JPEG optimization? [closed]
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We now have a Mac app available (disclosure: I'm on the development team)
– DanJ
Jun 11 '12 at 10:52
4
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How to check edittext's text is email address or not?
...lidation Example" />
</RelativeLayout>
Step 2:
import android.app.Activity;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.widget.EditText;
Step 3:
public class MainActivity extends Activity {
private EditText email;
private ...
Git is ignoring files that aren't in gitignore
...oblem - a directory was being ignored by git with this error:
➭ git add app/views/admin/tags/
The following paths are ignored by one of your .gitignore files:
app/views/admin/tags
Use -f if you really want to add them.
fatal: no files added
I finally figured out my problem was a line in my ~/.g...
Programmatically create a UIView with color gradient
...sing AutoLayout, I also had to call gradient.frame = view.bounds in viewDidAppear() and in didRotateFromInterfaceOrientation() or else the gradient wouldn't be sized properly.
– EricRobertBrewer
Aug 25 '16 at 0:06
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The type or namespace name does not exist in the namespace 'System.Web.Mvc'
... list, and click Properties.
The properties associated with that reference appear in a list in the Properties window.
In the Properties window, change the Copy Local property to True or False.
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How to get the screen width and height in iOS?
...he screen, even in split screen mode. When you use split screen mode, your app's window changes. If the code above doesn't give you the information you expect, then like the OP, you're looking at the wrong object. In this case, though, you should look at the window instead of the screen, like this:
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