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Heroku/devise - Missing host to link to! Please provide :host parameter or set default_url_options[:
...ironment.rb
config.action_mailer.default_url_options = { :host => '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 lo...
Android - shadow on text?
...OverlayText"
android:gravity="center" />
Edit: the source code can be viewed here: https://github.com/google/ringdroid
Edit2:
To set this style programmatically, you'd do something like this (modified from this example to match ringdroid's resources from above)
TextView infoTextView = ...
What is meant by “managed” vs “unmanaged” resources in .NET?
...
// Code to use connection here
}
As this ensures that .Dispose() is called on the connection object, ensuring that any unmanaged resources are cleaned up.
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Including Google Web Fonts link or import?
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For 90%+ of the cases you likely want the <link> tag. As a rule of thumb, you want to avoid @import rules because they defer the loading of the included resource until the file is fetched.. and if you have a build process which "flatte...
Is the VC++ code DOM accessible from VS addons?
... to addons (correct me if I'm wrong), is the C++ Code DOM also accessible? Can this be used to analyse an open VC++ project within the VS environment?
...
What does JVM flag CMSClassUnloadingEnabled actually do?
I cannot for the life of me find a definition of what the Java VM flag CMSClassUnloadingEnabled actually does, other than some very fuzzy high-level definitions such as "gets rid of your PermGen problems" ( which it doesn't , btw).
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What does (angle brackets) mean in Java?
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<T> is a generic and can usually be read as "of type T". It depends on the type to the left of the <> what it actually means.
I don't know what a Pool or PoolFactory is, but you also mention ArrayList<T>, which is a standard Java cla...
Synchronously waiting for an async operation, and why does Wait() freeze the program here
...ng for the entire task to complete, you have a deadlock.
Moving the async call to Task.Run() solves the issue.
Because the async call is now running on a thread pool thread, it doesn't try to come back to the UI thread, and everything therefore works.
Alternatively, you could call StartAsTask().Co...
How do I use the new computeIfAbsent function?
...the message creating a value for "snoop" exactly once as on the second invocation of computeIfAbsent there is already a value for that key. The k in the lambda expression k -> f(k) is just a placeolder (parameter) for the key which the map will pass to your lambda for computing the value. So in t...
Add a dependency in Maven
...e an internal repository, and you're just trying to add your JAR to your local repository, you can install it as follows, using any arbitrary groupId/artifactIds:
mvn install:install-file -DgroupId=com.stackoverflow... -DartifactId=yourartifactid... -Dversion=1.0 -Dpackaging=jar -Dfile=/path/to/jarf...