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Why do we use __init__ in Python classes?
...dom variable, could contain anything. fido.colour or self.colour is like a form field on the Dog's identity sheet; and __init__ is the clerk filling it out for the first time.
Any clearer?
EDIT: Expanding on the comment below:
You mean a list of objects, don't you?
First of all, fido is actually...
List of Big-O for PHP functions
... And I do understand that practically speaking PHP hashtables give O(1) performance, or at least O(1) on average - that's what hashtables are for. I was just curious as to why you said they are "really O(n)" and not "really O(logn)". Great post by the way!
– Cam
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Can hash tables really be O(1)?
...of the input and n is the number of items in the hash.
The O(1) lookup performance claim makes at least two assumptions:
Your objects can be equality compared in O(1) time.
There will be few hash collisions.
If your objects are variable size and an equality check requires looking at all bits th...
Best practices/guidance for maintaining assembly version numbers
... other is driven by the business.
The following assumes that you use some form of source control and a build server. For context we use TeamCity and Subversion/Git. TeamCity is free for a small (10) number of projects and is a very good build server but there are others, some of which are completel...
What's the difference between equal?, eql?, ===, and ==?
...ridden == method, but there are exceptions. Numeric types, for example, perform type conversion across ==, but not across eql?, so:
1 == 1.0 #=> true
1.eql? 1.0 #=> false
So you're free to override this for your own uses, or you can override == and use alias :eql? :== so the two method...
Difference between CouchDB and Couchbase
...mes alone.
First, there was CouchDB, a database created by Damien Katz, a former IBM developer. Its official name was changed to Apache CouchDB after it became an Apache project.
A company named CouchIO was founded to work on Apache CouchDB and later changed its name to CouchOne (by "its name" I m...
How to use the same C++ code for Android and iOS?
... its UI and peculiarities, so we intend to write specific code to each platform in this regard. In other hands, all logic code, business rules, and things that can be shared we intend to write using C++, so we can compile the same code to each platform.
In the diagram, you can see the C++ layer at ...
ab load testing
...ark tool is very basic, and while it will give you a solid idea of some performance, it is a bad idea to only depend on it if you plan to have your site exposed to serious stress in production.
Having said that, here's the most common and simplest parameters:
-c: ("Concurrency"). Indicates how man...
What does the Reflect object do in JavaScript?
...es a number of reasons why the Reflect object is useful:
(I've copied (and formatted) the following text for future reference from that source as they are the only examples I could find. Besides that, they make sense, already have a good explanation and touch the question's apply example.)
More use...
Mail multipart/alternative vs multipart/mixed
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It is not in form of "<" id-left "@" id-right ">".
– Michael-O
Mar 28 at 9:33
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