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Heroku/devise - Missing host to link to! Please provide :host parameter or set default_url_options[:
...ost => 'localhost' }
Make sure you change host to your production url and keep it localhost for development. This is for the mailer, it needs a default email to send out notices such as confirmations etc...
You should check the logs on the heroku server heroku logs run that from the console ...
Check if image exists on server using JavaScript?
...no check if that file actually is an image. It could be .pdf, .html, some random file renamed to *.jpg or *.png. If something ends with .jpg it doesn't mean it's 100% image :)
– CoR
Jun 16 '15 at 9:53
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java.lang.NoClassDefFoundError: com/sun/mail/util/MailLogger for JUnit test case for Java mail
I am using Java Mail API to read and parse emails. It is working fine with Servlet code.
7 Answers
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Troubleshooting “The use statement with non-compound name … has no effect”
...g namespace; it allows you to define an alias, not to "import" a namespace and thus henceforth omit the namespace qualifier altogether.
So, you could do:
use Blog\Article as BA;
... to shorten it, but you cannot get rid of it entirely.
Consequently, use Blog is useless, but I believe you coul...
Count number of occurences for each unique value
...ncy? I have the exact same problem, but my table has roughly 20000 entries and I'd like to know how frequent the most common entries are.
– Torvon
Dec 1 '14 at 16:25
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How to run cron job every 2 hours
...wered Jun 21 '11 at 10:10
James AndersonJames Anderson
25.8k77 gold badges4444 silver badges7575 bronze badges
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PostgreSQL: Can you create an index in the CREATE TABLE definition?
...BLE syntax. PostgreSQL does however create an index for unique constraints and primary keys by default, as described in this note:
PostgreSQL automatically creates an index for each unique constraint and primary key constraint to enforce uniqueness.
Other than that, if you want a non-unique in...
How can I enable or disable the GPS programmatically on Android?
I know that the question about turning on/off GPS programatically on android has been discussed many times , and the answer is always the same:
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String slugification in Python
I am in search of the best way to "slugify" string what "slug" is , and my current solution is based on this recipe
10 An...
Disabling swap files creation in vim
...es creation in vim? or at least create them all in one place so I can find and delete them easily.
10 Answers
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