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How can I call controller/view helper methods from the console in Ruby on Rails?
... that's not included by default (say, because you removed helper :all from ApplicationController), just include the helper.
>> include BogusHelper
>> helper.bogus
=> "bogus output"
As for dealing with controllers, I quote Nick's answer:
> app.get '/posts/1'
> response = app...
Debugging sqlite database on the device
I am presently working on an WiFi application for Android. I am having trouble trying to access the database on the device. Debugging in the emulator doesn't work for me, because there is no WiFi support in the emulator. I tried pulling the database file out of the device by using
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Open another application from your own (intent)
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Firstly, the concept of "application" in Android is slightly an extended one.
An application - technically a process - can have multiple activities, services, content providers and/or broadcast listeners. If at least one of them is running, the appl...
How do I determine the dependencies of a .NET application?
How do I determine the dependencies of a .NET application? Does Dependency Walker work with managed apps? I've downloaded the latest and tried profiling the app, but it just exits without much of an explanation. If it doesn't work with .NET, then is there some other tool that would help me debug a...
How to fully remove Xcode 4
...s --mode=all
Edit (1 year later):
If you've downloaded Xcode from the App Store, it's self-contained, as @mediaslave suggests. You can just drag it to the trash or use AppZapper (or a similar utility) to remove the developer tools.
If you're looking to update it, you can also do that straight ...
How can I resolve “Error: No developer directory found at /Developer”?
...4.3.1.
I'm using a script to build (and then deploy through Testflight) my app.
But I now receive this error:
4 Answers
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What is process.env.PORT in Node.js?
...ronment variable PORT, or 3000 if there's nothing there.
So you pass that app.listen, or to app.set('port', ...), and that makes your server be able to accept a parameter from the environment what port to listen on.
If you pass 3000 hard-coded to app.listen(), you're always listening on port 3000,...
How to change the Text color of Menu item in Android?
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NOTE: This MUST go in the main Theme definition for your app, NOT within the actionBarStyle for example. It won't work within actionBarStyle, even though that seems logical!
– Colin M.
Sep 24 '14 at 18:31
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Difference between Activity Context and Application Context
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They are both instances of Context, but the application instance is tied to the lifecycle of the application, while the Activity instance is tied to the lifecycle of an Activity. Thus, they have access to different information about the application environment.
If you...
How to use Morgan logger?
...sponses and related data. When added as a middleware to an express/connect app, by default it should log statements to stdout showing details of: remote ip, request method, http version, response status, user agent etc. It allows you to modify the log using tokens or add color to them by defining 'd...