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How do emulators work and how are they written? [closed]
... this compiled code and execute it. Then when you hit a given instruction group again, you only have to execute the code from the cache. (BTW, most people don't actually make a list of instructions but compile them to machine code on the fly -- this makes it more difficult to optimize, but that's ...
What is “entropy and information gain”?
...ate, imagine the task of learning to classify first-names into male/female groups. That is given a list of names each labeled with either m or f, we want to learn a model that fits the data and can be used to predict the gender of a new unseen first-name.
name gender
----------------- ...
Error-Handling in Swift-Language
...u probably would like to go with enum-based ErrorType which enables you to group multiple related errors, potentially with additional pieces of data, like this
enum DragonError: ErrorType {
case dragonIsMissing
case notEnoughMana(requiredMana: Int)
...
}
Main differences between new...
Loop through an array in JavaScript
...is not shared by everyone. See: stackoverflow.com/questions/5752906/… or groups.google.com/forum/?fromgroups#!topic/jsmentors/…
– Matthijs Wessels
Aug 14 '12 at 16:41
3
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Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
... has to issue in a cycle by itself, while AL merging can be part of a full group.) Haswell/SKL doesn't rename AL separately from RAX at all, so mov al, [mem] is a micro-fused load+ALU-merge, only renaming AH, and an AH-merging uop still issues alone. The partial-flag merging mechanisms in these CP...
How can I add reflection to a C++ application?
...lreflect
https://root.cern.ch/how/how-use-reflex
There is now a working group for C++ reflection. See the news for C++14 @ CERN:
https://root.cern.ch/blog/status-reflection-c
Edit 13/08/17:
Since the original post there have been a number of potential advancements on the reflection. The follow...
Mock framework vs MS Fakes frameworks
...w they are different. NMock is also similar to RhinoMocks and Moq, so I'm grouping them in with NMock.
There are 3 major differences I see right off between NMock/RhinoMocks/Moq and the MS Fakes Framework:
The MS fakes framework uses generated code, much like Accessors in prior versions of Visua...
C++ performance challenge: integer to std::string conversion
... still acceptable. I actually modified my own code to also use 4 character groups, and got similar speed. ideone.com/KbTFe
– Timo
Dec 6 '10 at 17:29
...
Transactions in REST?
...ur service, and make sure all parts of your operation succeed or fail as a group, then return this result to your users.
Your services. Clients want unambiguous outcomes to web-service calls, and the usual REST pattern of making POST, PUT or DELETE requests directly on substantive resources strikes ...
Scala type programming resources
... consists of defining lots of parameterized type constructors that are not grouped together in traits.
Comparison between value-level programming and type-level programming
abstract class
value-level: abstract class C { val x }
type-level: trait C { type X }
path dependent types
C.x (referen...