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What is `params.require(:person).permit(:name, :age)` doing in Rails 4?
...itted? means the parameter object can be used in mass assignment; else the app will throw a ForbiddenAttributes error.
– sameers
Nov 13 '13 at 18:05
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RESTful on Play! framework
We are planning a project primarily serving content to mobile apps, but need to have a website.
6 Answers
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ReactJS - Does render get called any time “setState” is called?
... in component looks like the source of the waterfall of state of the whole APP.
So the change happens from where the setState called. The tree of renders then get called from there. If you've used pure component, the render will be skipped.
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Method names for getting data [closed]
...rtant to distinguish between data being pulled from the Redux store vs the app's database vs a third party API. Getting this right will definitely help with readability in the future. The original developer used add for both writes to a database and writes to the Store. Now I'm trying to separate th...
What's the correct way to communicate between controllers in AngularJS?
...gistered
Since there is no scope above $rootScope, there is no bubbling happening. It is totally safe to use $rootScope.$emit()/ $rootScope.$on() as an EventBus.
However, there is one gotcha when using it from within Controllers. If you directly bind to $rootScope.$on() from within a controller, ...
How do I use an INSERT statement's OUTPUT clause to get the identity value?
...e this also from e.g. C#, when you need to get the ID back to your calling app - just execute the SQL query with .ExecuteScalar() (instead of .ExecuteNonQuery()) to read the resulting ID back.
Or if you need to capture the newly inserted ID inside T-SQL (e.g. for later further processing), you need...
Storing Images in DB - Yea or Nay?
So I'm using an app that stores images heavily in the DB. What's your outlook on this? I'm more of a type to store the location in the filesystem, than store it directly in the DB.
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Set cache-control for entire S3 bucket automatically (using bucket policies?)
...w how to specify them on put if I upload them myself but unfortunately the app that uploads them cannot set the headers as it uses s3fs to copy the files there.
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Developing for Android in Eclipse: R.java not regenerating
...ete it and thought that Eclipse would generate a new one. But that didn't happen, and I don't have R.java now. How can I regenerate one?
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invalid multibyte char (US-ASCII) with Rails and Ruby 1.9
I'm using Ruby 1.9.1 with Rails 2.3.4 My application is to handle text input
6 Answers
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