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What exactly is Apache Camel?
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My take to describe this in a more accessible way...
In order to understand what Apache Camel is, you need to understand what Enterprise Integration Patterns are.
Let's start with what we presumably already know: The Singleton pattern, the Factory pattern, etc; They are merely wa...
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...
Installed Ruby 1.9.3 with RVM but command line doesn't show ruby -v
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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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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...
How to render and append sub-views in Backbone.js
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});
This is similar to your first example, with a few changes:
The order in which you append the sub elements matters
The outer view does not contain the html elements to be set on the inner view(s) (meaning you can still specify tagName in the inner view)
render() is called AFTER the inner ...
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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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...
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...
What is the difference between a static and a non-static initialization code block
...lock is an instance initializer.
Class initializers are executed in the order they are defined (top down, just like simple variable initializers) when the class is loaded (actually, when it's resolved, but that's a technicality).
Instance initializers are executed in the order defined when the c...