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Rails 4: assets not loading in production
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How to test android referral tracking?
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After lots of trial and error I found that if your Receiver is in a library, you need to omit the . after / -- so the example would look like this: adb shell am broadcast -a com.android.vending.INSTALL_REFERRER -n <your.package>/<full.path...
How do I drop a foreign key constraint only if it exists in sql server?
I can drop a table if it exists using the following code but do not know how to do the same with a constraint:
10 Answers
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How to assert two list contain the same elements in Python? [duplicate]
...ay to compare to lists that are "almost equal"? In the sense that given an error, i want to assert the equal if the difference btw the elements in the lists are within the error?
– JustANoob
Sep 16 '18 at 10:49
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How to capture UIView to UIImage without loss of quality on retina display
My code works fine for normal devices but creates blurry images on retina devices.
17 Answers
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An error occurred while installing pg (0.17.1), and Bundler cannot continue
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Some kind of error resported here Installing PG gem on OS X - failure to build native extension
To install dependencies on Ubuntu try this:
sudo apt-get install libpq-dev
and this
gem install pg
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Rspec doesn't see my model Class. uninitialized constant error
...ts on Rspec for my models in Ruby on Rails application.
And I receive this error while starting 'rspec spec'
7 Answers
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Can't use method return value in write context
..., return value exists and contains null). Therefore:
if (!empty($r->getError()))
is logically equivalent to:
if ($r->getError())
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PostgreSQL ERROR: canceling statement due to conflict with recovery
I'm getting the following error when running a query on a PostgreSQL db in standby mode. The query that causes the error works fine for 1 month but when you query for more than 1 month an error results.
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How to get the current time in Python
...t in a database, but it would require far more memory and be more prone to error than simply storing the Unix Epoch time, which I demonstrated first.
The other ways of viewing times are much more error prone, especially when dealing with data that may come from different time zones. You want there...