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Naming conventions: “State” versus “Status” [closed]
...rs.
So I would use state for a set of states that don't have any implicit ordering or position relative to one another, and status for those that do (perhaps off-standby-on ?). But it's a fine distinction.
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Installed Ruby 1.9.3 with RVM but command line doesn't show ruby -v
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Java Multiple Inheritance
...s Pegasus implements Avialae, Equidae {}
Adding from the comments:
In order to reduce duplicate code, you could create an abstract class that contains most of the common code of the animals you want to implement.
public abstract class AbstractHorse implements Equidae {}
public class Horse ext...
How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)
...environment variable for the secret_key_base in your production server. In order to solve this error you should follow these steps to create an environment variable for Linux (in my case Ubuntu) in your production server:
In the terminal of your production server execute:
$ RAILS_ENV=production r...
Is recursion ever faster than looping?
...the best alternative is neither recursion nor iteration but instead higher order functions. These include "map", "filter", and "reduce" (which is also called "fold"). Not only are these the preferred style, not only are they often cleaner, but in some environments these functions are the first (or...
Verify a certificate chain using openssl verify
...rtificate.
The ca-bundle must be made up in excactly the right processing order, this means, the first needed certificate (the intermediate certificate which signs your certificate) comes first in the bundle. Then the cross-signing-cert is needed.
Usually your CA (the authority who signed your ce...
abort: no username supplied (see “hg help config”)
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Guava: Why is there no Lists.filter() function?
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You can use Iterables.filter, which will definitely maintain ordering.
Note that by constructing a new list, you'll be copying the elements (just references, of course) - so it won't be a live view onto the original list. Creating a view would be pretty tricky - consider this situatio...
A numeric string as array key in PHP
...ic key in a php data structure, an object will work. And objects preserve order, so you can iterate.
$obj = new stdClass();
$key = '3';
$obj->$key = 'abc';
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What is difference between Collection.stream().forEach() and Collection.forEach()?
...number of subtle differences that might be significant.
One issue is with ordering. With Stream.forEach, the order is undefined. It's unlikely to occur with sequential streams, still, it's within the specification for Stream.forEach to execute in some arbitrary order. This does occur frequently in ...