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how to add records to has_many :through association in rails
...ata from the joint table Agents without having N+1 bug example displaying all the houses and corresponding agents for the given customer
– Ankita.P
Jul 24 '15 at 11:00
add a ...
Java Enum Methods - return opposite direction enum
... method that returns the opposite direction (the following is not syntactically correct, i.e, enums cannot be instantiated, but it illustrates my point). Is this possible in Java?
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How do you commit code as a different user?
I want to be able to do this for a script. I'm essentially re-creating the entire version history of some code in Git - it currently uses a different version control system. I need the script to be able to add in the commits to Git while preserving the commit's original author (and date).
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Providing a default value for an Optional in Swift?
...he idiom for dealing with optionals in Swift seems excessively verbose, if all you want to do is provide a default value in the case where it's nil:
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What is meaning of boolean value returned from an event-handling method in Android
... in the rest of the events in that gesture. A "gesture" in this case means all events until the final ACTION_UP or ACTION_CANCEL. Returning false from an ACTION_DOWN means you do not want the event and other views will have the opportunity to handle it. If you have overlapping views this can be a si...
How to find where a method is defined at runtime?
...
This is really late, but here's how you can find where a method is defined:
http://gist.github.com/76951
# How to find out where a method comes from.
# Learned this from Dave Thomas while teaching Advanced Ruby Studio
# Makes the cas...
Start service in Android
I want to call a service when a certain activity starts. So, here's the Service class:
5 Answers
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What Product Flavor does Android Studio build by default in build.gradle?
...e , we notice that Android Studio builds the first one specified alphabetically. Is there a way to tell Android Studio to build and test only a specific product flavor during development?
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Recommended way of making React component/div draggable
...React.createClass({
getDefaultProps: function () {
return {
// allow the initial position to be passed in as a prop
initialPos: {x: 0, y: 0}
}
},
getInitialState: function () {
return {
pos: this.props.initialPos,
dragging: false,
rel: null // position...
Java equivalent of C#'s verbatim strings with @
...d thanks. the fact that its a 'filename' in my case in kind of irrelevant. All my code is doing is taking a string (or trying to) and passing it on. I don't actually do anything with it other than pass it on to a web service. I was testing the response from a c# WCF service being called from Java. A...