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Why all the Active Record hate? [closed]
...ord, there's heaps?"
I'm only familiar with Rails' ActiveRecord, I'll try address all the complaints which have been raised in context of using it.
@BlaM
The problem that I see with Active Records is, that it's always just about one table
Code:
class Person
belongs_to :company
end
p...
Using Kafka as a (CQRS) Eventstore. Good idea?
...
codependent
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answered Jul 23 '13 at 15:03
eulerfxeulerfx
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What are the Dangers of Method Swizzling in Objective-C?
...ople are scared of sharp knives because they think they'll cut themselves badly, but the truth is that sharp knives are safer.
Method swizzling can be used to write better, more efficient, more maintainable code. It can also be abused and lead to horrible bugs.
Background
As with all design patte...
AngularJS: Understanding design pattern
In the context of this post by Igor Minar, lead of AngularJS:
5 Answers
5
...
Using IQueryable with Linq
...
Marc Gravell's answer is very complete, but I thought I'd add something about this from the user's point of view, as well...
The main difference, from a user's perspective, is that, when you use IQueryable<T> (with a provider that supports things correctly), you can save a ...
Floating point vs integer calculations on modern hardware
...int because "its faster". This causes a whole lot of annoying problems and adds a lot of annoying code.
11 Answers
...
ReactJS: Modeling Bi-Directional Infinite Scrolling
...llocate them and discard them. If 10k allocations is too big, you can instead pass a function that takes a range and return the elements.
<List>
{thousandelements.map(function() { return <Element /> })}
</List>
Your List component is keeping track of what the scroll position i...
angular.service vs angular.factory
...yServiceFunction);
angular.factory('myFactory', myFactoryFunction);
I had trouble wrapping my head around this concept until I put it to myself this way:
Service: the function that you write will be new-ed:
myInjectedService <---- new myServiceFunction()
Factory: the function (constructo...
Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
...ickier to explain. Reduce is defined formally as part of the MapReduce paradigm, which deals with orderless collections (multisets), Fold is formally defined in terms of recursion (see catamorphism) and thus assumes a structure / sequence to the collections.
There is no fold method in Scalding bec...
'printf' vs. 'cout' in C++
...se from C). Now, I'll be honest here; both printf and std::cout have their advantages.
Real differences
Extensibility
std::cout is extensible. I know that people will say that printf is extensible too, but such extension is not mentioned in the C standard (so you would have to use non-standard fe...