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Error: Can't set headers after they are sent to the client
... look for callbacks that are accidentally called twice, or any error that happens after the body is sent.
In your case, you called res.redirect(), which caused the response to become Finished. Then your code threw an error (res.req is null). and since the error happened within your actual function(r...
What is 'Context' on Android?
...it simply:
As the name suggests, it's the context of current state of the application/object. It lets newly-created objects understand what has been going on. Typically you call it to get information regarding another part of your program (activity and package/application).
You can get the context...
How to check if a user likes my Facebook Page or URL using Facebook's API
...y want to check if a user has liked my page with javascript in an iFrame app.
5 Answers
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rails - Devise - Handling - devise_error_messages
...tation. I'll let you know how it goes.
Update
Yep, that works. I created app/helpers/devise_helper.rb and overrode it like so:
module DeviseHelper
def devise_error_messages!
'KABOOM!'
end
end
So knowing this, I can modify the method to display error messages the way I want it to.
To he...
What are the use-cases for Web Workers? [closed]
...h you wouldn’t want to block your code editing whilst you’re using the app.
From Mozilla: One way workers are useful is to allow your code to perform processor-intensive calculations without blocking the user interface thread.
As a practical example, think of an app which has a large table of ...
How do I get the name of the current executable in C#?
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System.AppDomain.CurrentDomain.FriendlyName
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Extending the User model with custom fields in Django
...he best way to extend the User model (bundled with Django's authentication app) with custom fields? I would also possibly like to use the email as the username (for authentication purposes).
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Create aar file in Android Studio
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If your library is set up as an Android library (i.e. it uses the apply plugin: 'com.android.library' statement in its build.gradle file), it will output an .aar when it's built. It will show up in the build/outputs/aar/ directory in your module's directory.
You can choose the "Android Lib...
How to get the python.exe location programmatically? [duplicate]
...ython interpreter so I can pass a script file to execute (from an external application).
3 Answers
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How to change package name of an Android Application
...ore is corrupt, therefore the Android Market is requiring me to rename the app and resubmit it. However, whenever I go to edit the package names in Manifest and throughout the files, it gives me tons of errors.
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