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How do I print out the contents of an object in Rails for easy debugging?
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I generally first try .inspect, if that doesn't give me what I want, I'll switch to .to_yaml.
class User
attr_accessor :name, :age
end
user = User.new
user.name = "John Smith"
user.age = 30
puts user.inspect
#=> #<User:0x423270c @name="John Smith", @age=30>
puts u...
Yellow fade effect with JQuery
I would like to implement something similar to 37Signals's Yellow Fade effect.
15 Answers
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Find all files in a directory with extension .txt in Python
...ow would you create a file or list with that info?
– Merlin
Oct 19 '10 at 3:48
74
@ghostdog74: In...
Multiline TextView in Android?
...axLines="4"
android:lines="4"
android:text="Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat."></TextVi...
npm check and update package if needed
...npm -g update is safe to use again. github.com/npm/npm/issues/6247#issuecomment-92182814
– Chuck Le Butt
Jul 6 '16 at 10:03
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Swipe to Delete and the “More” button (like in Mail app on iOS 7)
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How to Implement
It looks like iOS 8 opens up this API. Hints of such functionality are present in Beta 2.
To get something working, implement the following two methods on your UITableView's delegate to get the desired effect (see gis...
Capturing TAB key in text box [closed]
... event, those are the only events that the tab key fires, you still need some way to prevent the default action, moving to the next item in the tab order, from occurring.
In Firefox you can call the preventDefault() method on the event object passed to your event handler. In IE, you have to return ...
Xcode debugging - displaying images
...o use spacebar to Quick Look!
Quick Look in the debugger can also be implemented for your own classes:
Enabling Quick Look for Custom Types
The variables Quick Look feature in the Xcode debugger allows you to obtain a quick visual assessment of the state of an object variable through a graphical r...
if/else in a list comprehension
...if after the for…in is part of list comprehensions and used to filter elements from the source iterable.
Conditional expressions can be used in all kinds of situations where you want to choose between two expression values based on some condition. This does the same as the ternary operator ?: t...
Split a vector into chunks in R
...in R. I couldn't find any base function to do that. Also Google didn't get me anywhere. So here is what I came up with, hopefully it helps someone some where.
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