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Heroku/devise - Missing host to link to! Please provide :host parameter or set default_url_options[:
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now the sendgrid command is heroku addons:add sendgrid:starter (view usage details at devcenter.heroku.com/articles/sendgrid)
– Danny
Oct 27 '11 at 14:33
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How to debug apk signed for release?
...ow to do it and have been unable to find any articles online. Does anyone know how this can be done?
6 Answers
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How to get the original value of an attribute in Rails
...flow.com/a/50973808/9359123
Appending _was is deprecated in rails 5.1, now you should append _before_last_save
Something like:
before_save object
do_something_with object.name_before_last_save
end
Will return the name value before your last save at database (works for save and create)
The...
In Intellij, how do I toggle between camel case and underscore spaced?
...ndoing any changes. Update: it appears this bug has been fixed for a while now, so the CamelCase plugin is probably the way to go.
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Rebase a single Git commit
...the new location. I suppose rebase would have taken care of that, but by now I've pushed upstream so I can't test that. In any case, beware if you have a similar situation.
– waldyrious
Dec 18 '15 at 10:49
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How to get config parameters in Symfony2 Twig Templates
...onfig/config.yml
twig:
globals:
ga_tracking: "%ga_tracking%"
Now, the variable ga_tracking is available in all Twig templates:
<p>The google tracking code is: {{ ga_tracking }}</p>
The parameter is also available inside the controllers:
$this->container->getParame...
Apply multiple functions to multiple groupby columns
... 0.687672 1.754877 0.672401
Using apply and returning a Series
Now, if you had multiple columns that needed to interact together then you cannot use agg, which implicitly passes a Series to the aggregating function. When using apply the entire group as a DataFrame gets passed into the fu...
Is there a way to create your own html tag in HTML5?
...s doctypes and schemas, HTML does not become invalid if a browser doesn't know a tag or two. Think of <marquee>. This has not been in the official standard. So while using it made your HTML page "officially unapproved", it didn't break the page either.
Then there is <keygen>, which was ...
How to use hex color values
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countelements is now just count :)
– Hlung
Apr 6 '15 at 16:24
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How to watch for a route change in AngularJS?
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$locationChangeStart and $locationChangeSuccess are now documented! docs.angularjs.org/api/ng.$location
– J.P. ten Berge
Dec 13 '13 at 9:38
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