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Proper Repository Pattern Design in PHP?
Preface: I'm attempting to use the repository pattern in an MVC architecture with relational databases.
11 Answers
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For-each over an array in JavaScript
...ld-fashioned for loop,
or for-in with safeguards.
But there's lots more to explore, read on...
JavaScript has powerful semantics for looping through arrays and array-like objects. I've split the answer into two parts: Options for genuine arrays, and options for things that are just array-like,...
Why do we have to normalize the input for an artificial neural network?
... in an MLP [multilayer perceptron], then it is
rarely strictly necessary to standardize the inputs, at least in theory. The
reason is that any rescaling of an input vector can be effectively undone by
changing the corresponding weights and biases, leaving you with the exact
same outputs as y...
Repository Pattern Step by Step Explanation [closed]
Can someone please explain to me the Repository Pattern in .NET, step by step giving a very simple example or demo.
2 Answe...
How do I create an average from a Ruby array?
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Try this:
arr = [5, 6, 7, 8]
arr.inject{ |sum, el| sum + el }.to_f / arr.size
=> 6.5
Note the .to_f, which you'll want for avoiding any problems from integer division. You can also do:
arr = [5, 6, 7, 8]
arr.inject(0.0) { |sum, el| sum + el } / arr.size
=> 6.5
You can define ...
Rails Model, View, Controller, and Helper: what goes where?
... Rails Development (or MVC in general), what quick rule should I follow as to where to put logic.
10 Answers
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What are namespaces?
...es for functions and classes what scope does for variables. It allows you to use the same function or class name in different parts of the same program without causing a name collision.
In simple terms, think of a namespace as a person's surname. If there are two people named "John" you can use t...
What is the real overhead of try/catch in C#?
...of salt), but I think one of the biggest costs is unwinding the stack and storing it for the stack trace. I suspect this happens only when the exception is thrown (but I don't know), and if so, this would be decently sized hidden cost every time an exception is thrown... so it's not like you are ju...
How to inherit constructors?
Imagine a base class with many constructors and a virtual method
14 Answers
14
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Do you (really) write exception safe code? [closed]
Exception handling (EH) seems to be the current standard, and by searching the web, I can not find any novel ideas or methods that try to improve or replace it (well, some variations exist, but nothing novel).
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