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When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?
...such as databases. Most cases you write your own page manager which has no idea about what is the data type stored in the page and just returns a void pointer. Its up to the higher levels to do a reinterpret cast and infer it as whatever they want.
– Sohaib
May...
JAX-RS — How to return JSON and HTTP status code together?
... emphasis of providing a content type. Our approaches are similar, but the idea of using a MessageBodyWriter and Provider allows for implicit content negotiation, although it seems your example is missing some code. Here's another answer I provided that illustrates this: stackoverflow.com/questions/...
Why and How to avoid Event Handler memory leaks?
...mory-leak-16. I will try to summarize it here so that you can have a clear idea.
Reference means, "Need":
First of all, you need to understand that, if object A holds a reference to object B, then, it will mean, object A needs object B to function, right? So, the garbage collector won't collect th...
What column type/length should I use for storing a Bcrypt hashed password in a Database?
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Nice explanation. :) Though your explanation gave a great idea, I just want to go with 60 chars, even 100 chars, just to be on safe side. Nice debate too @Kzqai and AndreD
– Naveen Kumar V
Jan 19 '19 at 7:57
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Constant Amortized Time
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The explanations above apply to Aggregate Analysis, the idea of taking "an average" over multiple operations.
I am not sure how they apply to Bankers-method or the Physicists Methods of Amortized analysis.
Now. I am not exactly sure of the correct answer.
But it would have to do...
Android accelerometer accuracy (Inertial navigation)
...cing the Performance of Pedometers Using a Single Accelerometer
I have no idea how these methods would perform in real-life applications or how to turn them into a nice Android app.
A similar question is this.
UPDATE:
Apparently there is a newer version than the above Oliver J. Woodman, "An intr...
Handling click events on a drawable within an EditText
...he calculation of the touch bounds for the nested drawable but you get the idea.
I hope this helps.
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PHP “php://input” vs $_POST
...le stream data without knowing how much is there first? That is a terrible idea. You cannot rely exclusively on the HTTP Content-Length header for guidance on the size of streamed input because it can be spoofed.
You are going to need a:
Stream size detection algorithm.
Application defined stream...
What are free monads?
...onoid" over sets (or in Haskell types).
Okay, so free monads are the same idea. We take a functor, and give back a monad. In fact, since monads can be seen as monoids in the category of endofunctors, the definition of a list
data [a] = [] | a : [a]
looks a lot like the definition of free monad...
Traits vs. interfaces
...ating traits that fulfill the capabilities required by an interface is the ideal use case.
You should only use traits when multiple classes share the same functionality (likely dictated by the same interface). There's no sense in using a trait to provide functionality for a single class: that only ...