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Rails 4: List of available datatypes
...ress
:ip_address
:mac_address
They are stored as strings if you run your app with a not-PostgreSQL database.
Edit, 2016-Sep-19:
There's a lot more postgres specific datatypes in Rails 4 and even more in Rails 5.
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Perform Segue programmatically and pass parameters to the destination view
in my app I've a button that performs a segue programmatically:
5 Answers
5
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Show DialogFragment with animation growing from a point
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Being DialogFragment a wrapper for the Dialog class, you should set a theme to your base Dialog to get the animation you want:
public class CustomDialogFragment extends DialogFragment implements OnEditorActionListener
{
@Override
public View...
What does `node --harmony` do?
A node application has required me to run node with a harmony flag, like:
5 Answers
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Calling a function of a module by using its name (a string)
...attr can be used to determine if a function is defined. I had a database mapping (eventType and handling functionName) and I wanted to make sure I never "forgot" to define an event handler in my python
– Shaun
Jun 3 '14 at 13:20
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Detecting input change in jQuery?
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Docs for "input" event: whatwg.org/specs/web-apps/current-work/multipage/…
– jackocnr
Oct 14 '13 at 23:28
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Calculate relative time in C#
... This type of code is nearly impossible to localize. If your app only needs to remain in English, then fine. But if you make the jump to other languages, you will hate yourself for doing logic like this. Just so y'all know...
– Nik Reiman
May 23 '...
How to change spinner text size and text color?
In my Android application, I am using spinner, and I have loaded data from the SQLite database into the spinner, and it's working properly. Here is the code for that.
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How to use SCNetworkReachability in Swift
...onal.
The guard let statement (a new feature in Swift 2.0) assigns the unwrapped value to the defaultRouteReachability variable if it is
not nil. Otherwise the else block is executed and the function
returns.
As of Swift 2, SCNetworkReachabilityCreateWithAddress() returns
a managed object. You don't...
How to use JNDI DataSource provided by Tomcat in Spring?
... @PavelNiedoba Tomcat uses a "context" for tomcat specific web app configuration. The context file and/or context configuration can be placed in various locations, so I can't give you a definitive answer. A common location is "/META-INF/context.xml". See "Defining a context" section he...