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Rich vs Anemic Domain Model [closed]
...ding if I should use a Rich Domain Model over an Anemic Domain Model, and looking for good examples of the two.
10 Answers
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How do I check if a string is valid JSON in Python?
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nothing wrong with it, just a noob mistake on my part. It appears I just cant call file.read() twice. But I can set a variable and use it. And thats what I did.
– Joey Blake
Apr 4 '11 at 15:23
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Why are Perl 5's function prototypes bad?
...hell, prototypes let you create your own syntactic sugar. For example the Moose framework uses them to emulate a more typical OO syntax.
This is very useful but prototypes are very limited:
They have to be visible at compile-time.
They can be bypassed.
Propagating context to arguments can cause u...
Simple explanation of clojure protocols
...ing pattern matching expressions in all operations.
And for typical naive OO, you have the exact opposite problem: it is easy to add new data types which work with the existing operations (either by inheriting or overriding them), but it is hard to add new operations, since that basically means mod...
Javascript when to use prototypes
... prefix them with new or otherwise they typically don't work. There is no good reason for this. jQuery gets it right by hiding that nonsense behind an ordinary function, $, so you don't have to care how the objects are implemented.
So that you can conveniently create an object with a specified prot...
Non-Relational Database Design [closed]
...ditional relational design or SQL (such as Hypertable, CouchDB, SimpleDB, Google App Engine datastore, Voldemort, Cassandra, SQL Data Services, etc.). They're also often referred to as "key/value stores", and at base they act like giant distributed persistent hash tables.
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Is Python strongly typed?
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I must add that the strong vs. weak typing is more of a continuum than a boolean choice. C++ has stronger typing than C (more conversions required), but the type system can be subverted by using pointer casts.
The strength of the type system in a dynamic language such as Python is really determine...
Flask vs webapp2 for Google App Engine
I'm starting new Google App Engine application and currently considering two frameworks: Flask and webapp2 . I'm rather satisfied with built-in webapp framework that I've used for my previous App Engine application, so I think webapp2 will be even better and I won't have any problems with it.
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Traits vs. interfaces
...ent.
When a trait is use'd the implementations of the methods come along too--which doesn't happen in an Interface.
That is the biggest difference.
From the Horizontal Reuse for PHP RFC:
Traits is a mechanism for code reuse in single inheritance languages such as PHP. A Trait is intended to r...
Framework vs. Toolkit vs. Library [duplicate]
What is the difference between a Framework, a Toolkit and a Library?
12 Answers
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