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Rails Observer Alternatives for 4.0
...lder in your models directory called concerns. Add a module there:
module MyConcernModule
extend ActiveSupport::Concern
included do
after_save :do_something
end
def do_something
...
end
end
Next, include that in the models you wish to run the after_save in:
class MyModel <...
Using git, how do I ignore a file in one branch but have it committed in another branch?
...
Related: my answer to a SO question about this solution not working
– Palec
May 18 '15 at 18:38
2
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When should I use Debug.Assert()?
...
It may become messy to interpret my interpretation of someone else's answer :) Anyway I with you on these: you need both of them, and you should not put the exception before the assert. I am not sure about the meaning of "not in the same place". Again, refus...
Android - implementing startForeground for a service?
So I'm not sure where/how to implement this method to make my service run in the foreground. Currently I start my service by the following in another activity:
...
How to attach my repo to heroku app
I create a heroku app and then my machine crashed. I have a new machine. How do I attach my existing app to heroku app. When I visit heroku page the url for my app is like this
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Attempted to read or write protected memory. This is often an indication that other memory is corrup
...uction CSingleLock lock(&m_csMember, TRUE);. For more details, here is my post
– ABCmo
Mar 12 '14 at 14:54
...
How to import existing Android project into Eclipse?
I'm trying to import and existing Android project into my current Eclipse workspace. I select File->New->Android Project, which brings up the Android project dialog, I then select, "Create project from existing source", Location, Build Target and Finish.
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Unfortunately MyApp has stopped. How can I solve this?
...p on stack traces in "What is a stack trace, and how can I use it to debug my application errors?"
The Problem
Your application quit because an uncaught RuntimeException was thrown.
The most common of these is the NullPointerException.
How to solve it?
Every time an Android application crashes (...
Reverse colormap in matplotlib
...pyplot as plt
import matplotlib as mpl
def reverse_colourmap(cmap, name = 'my_cmap_r'):
"""
In:
cmap, name
Out:
my_cmap_r
Explanation:
t[0] goes from 0 to 1
row i: x y0 y1 -> t[0] t[1] t[2]
/
/
row i+1: x y0 y1 ->...
How do I remove javascript validation from my eclipse project?
I am using eclipse on my project and while messing around with my eclipse settings, I turned on Javascript support. Now eclipse complains that JQuery library has errors in it and is not letting me compile the project. Does anyone know how to turn javascript validation off?
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