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How do I print out the contents of an object in Rails for easy debugging?
...he to_s method in your model. For example
class Person < ActiveRecord::Base
def to_s
"Name:#{self.name} Age:#{self.age} Weight: #{self.weight}"
end
end
Then when you go to print it with #puts it will display that string with those variables.
...
MySQL SELECT only not null values
...1 IS NOT NULL
AND col2 IS NOT NULL
-- ...
AND coln IS NOT NULL
Update: Based on your comments, perhaps you want this?
SELECT * FROM
(
SELECT col1 AS col FROM yourtable
UNION
SELECT col2 AS col FROM yourtable
UNION
-- ...
UNION
SELECT coln AS col FROM yourtable
) T1
W...
No connection string named 'MyEntities' could be found in the application config file
... make sure your web project is the startup project when you run update-database!
– Karl
Jun 11 '13 at 12:27
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How to remove selected commit log entries from a Git repository while keeping their changes?
...
git-rebase(1) does exactly that.
$ git rebase -i HEAD~5
git awsome-ness [git rebase --interactive] contains an example.
Don't use git-rebase on public (remote) commits.
Make sure your working directory is clean (commit or sta...
How to format date and time in Android?
...ing to the device configuration". To me that implies using a format chosen based on the user's language/country, or chosen directly by the user, rather than hardcoding the choice of format.
– Chris Boyle
Oct 14 '10 at 16:26
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Swing vs JavaFx for desktop applications [closed]
...
As stated by Oracle, JavaFX is the next step in their Java based rich client strategy.
Accordingly, this is what I recommend for your situation:
What would be easier and cleaner to maintain
JavaFX has introduced several improvements over Swing, such as, possibility to markup U...
How do you display a Toast from a background thread on Android?
.... Activity and application. Maybe you have a more up to date real evidence based proof? Do you have a link for 1?
– OneWorld
Feb 22 '16 at 10:36
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Android - Setting a Timeout for an AsyncTask?
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In the case, your downloader is based upon an for an URL connection, you have a number of parameters that could help you to define a timeout without complex code:
HttpURLConnection urlc = (HttpURLConnection) url.openConnection();
urlc.setConnectTimeou...
Python code to remove HTML tags from a string [duplicate]
... elif not tag:
out = out + c
return out
The idea based in a simple finite-state machine and is detailed explained here: http://youtu.be/2tu9LTDujbw
You can see it working here: http://youtu.be/HPkNPcYed9M?t=35s
PS - If you're interested in the class(about smart debugging ...
Pass a JavaScript function as parameter
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Based on the question, the callback doesn't accept parameters, which is why I have left them out of the example. I'll add a comment about it.
– Fenton
Nov 8 '12 at 9:42
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