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Differences between Proxy and Decorator Pattern
Can you give any good explanation what is the difference between Proxy and Decorator ?
8 Answers
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Creating range in JavaScript - strange syntax
...Array handles multiple arguments
How the Number function handles arguments
What Function.prototype.call does
They're rather advanced topics in javascript, so this will be more-than-rather long. We'll start from the top. Buckle up!
1. Why not just Array(5).map?
What's an array, really? A regular ...
Why does one use dependency injection?
...ror-prone. Third, this is stupid, repetitive work for a trained monkey. So what do you do?
Obviously it's a quite good idea to introduce an interface ICanLog (or similar) that is implemented by all the various loggers. So step 1 in your code is that you do:
ICanLog logger = new Logger();
Now the...
How to echo shell commands as they are executed
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what if I want to color the command when echoing to differentiate the command and its results output ?
– Lewis Chan
Sep 3 '18 at 10:06
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What does “Mass Assignment” mean in Laravel?
...ser = new User(Input::all()); (as programmer) it is so uncontrolled (or in what scenario would be this helpful).
– Kyslik
Jul 27 '14 at 18:41
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What do parentheses surrounding an object/function/class declaration mean? [duplicate]
... return n + x;
};
};
var add2 = add_gen(2);
add2(3); // result is 5
What is going on here? In the function add_gen you are creating an another function which will simply add the number n to its argument. The trick is that in the variables defined in the function parameter list act as lexicall...
'and' (boolean) vs '&' (bitwise) - Why difference in behavior with lists vs numpy arrays?
What explains the difference in behavior of boolean and bitwise operations on lists vs NumPy arrays?
8 Answers
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What is attr_accessor in Ruby?
...me = "Dennis"
person.name # => "Dennis"
Works the same way! And guess what: the instance variable @name in our person object will be set just like when we did it manually, so you can use it in other methods.
class Person
attr_accessor :name
def greeting
"Hello #{@name}"
end
end
per...
What does “error: option --single-version-externally-managed not recognized” indicate?
...
Can someone explain in detail what does this option mean and why does this work?
– kawing-chiu
Apr 18 '16 at 7:07
4
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How to design a database for User Defined Fields?
...the non-aggregated attributes.
You can use table/column names that
reflect what the data actually is.
You have complete control to use data types,
check constraints, default values, etc.
to define the data domains. Don't underestimate the performance hit resulting from on-the-fly data type conversi...