OK, I am a newbee to stackoverflow. Developing an ecommerce 开发者_如何学Csite, I have as many as 50 unique images on the home page that needs to be loaded. I am using the Amazon CDN for my images an
I have an application on Heroku that uses Carrierwave to upload images to S3. The app is running perfectly on local machine but on Heroku throws the following error and fails the uploading to S3:
how can on开发者_开发问答e insert additional values to an exsisting key of a hash in R. h=hash()
This question already has answers here: Closed 11 years ago. Possible Duplicate:开发者_如何学Python
I\'m trying to get this object, passed via AJAX: Parameters: {\"status\"=>{\"1\"=>[\"14\", \"1\"], \"2\"=>[\"7\", \"8\", \"12\", \"13\"]}}
firstly, I apologize if my question sounds little confusing, I will try my best to describe my scenario as detailed as possible:
The background is that from 2 or 3 unsigned integers I want something unique. I\'ve done cantor pairs but they grow out of an BIGINT UNSIGNED when using 3.
HashSet<String[]> boog = new HashSet<String[]>(); boog.add(new String[]{\"a\", \"b\", \"c\"});
I have some data associated with a model that is in a hash. The hash is generated in the controller: @hash.
I\'ve got a hash of the format: {key1 =&开发者_C百科gt; [a, b, c], key2 => [d, e, f]} and I want to end up with: