大约有 19,300 项符合查询结果(耗时:0.0386秒) [XML]
multi-layer perceptron (MLP) architecture: criteria for choosing number of hidden layers and size of
...e 5 nodes in output layer.But what is the criteria for choosing number of hidden layer in a MLP and how many neural nodes in 1 hidden layer?
...
Dependency Inject (DI) “friendly” library
...s. Of course, those high-level functions will be implemented using the SOLID class design principles as much as possible. As such, there will probably be classes intended for consumers to use directly on a regular basis, and "support classes" that are dependencies of those more common "end user" c...
Javascript object Vs JSON
...
Is the key/property name valid both with/without quotes ?
The only time you need to enclose a key in quotes when using Object Literal notation is where the key contains a special character (if, :, - etc). It is worth noting that a key in JSON must be ...
Git submodule update
...try in the parent repo index), and you will need to add, commit and push said references from the main repo.
Next time you will clone that parent repo, it will populate the submodules to reflect those new SHA1 references.
The rest of this answer details the classic submodule feature (reference to a...
What's the fundamental difference between MFC and ATL?
...e Office like features available to the development community when the OS didn't have them yet.
[Edit embellishment: I did not work at Microsoft, so I don't know if Office was ever built on MFC, but I think the answer is no. Back in Win 3.1, Win 95 days, Office UI team would invent new controls, ...
C# 5 async CTP: why is internal “state” set to 0 in generated code before EndAwait call?
...blog, which rocks.
The value 0 here is only special because it's not a valid state which you might be in just before the await in a normal case. In particular, it's not a state which the state machine may end up testing for elsewhere. I believe that using any non-positive value would work just as w...
What are copy elision and return value optimization?
...n practice (restrictions apply).
It's the only form of optimization that elides (ha!) the as-if rule - copy elision can be applied even if copying/moving the object has side-effects.
The following example taken from Wikipedia:
struct C {
C() {}
C(const C&) { std::cout << "A copy was ma...
Select the values of one property on all objects of an array in PowerShell
...
To complement the preexisting, helpful answers with guidance of when to use which approach and a performance comparison.
Outside of a pipeline, use (PSv3+): $objects.Name as demonstrated in rageandqq's answer, which is both syntactically simpler and much faster.
Accessing a pr...
Multi-key dictionary in c#? [duplicate]
...rning however: the default GetHashcode implementation (sometimes) only considers the first field so make sure to make the first field the most discriminating or implement GetHashcode yourself (e.g. using FieldwiseHasher.Hash(this) from ValueUtils), otherwise you'll likely run into scalability issues...
valueOf() vs. toString() in Javascript
...", javascript first collects primitive values of the operands, and then decides if addition or concatenation should be applied, based on the type of each primitive.
So, this is how you think it works
a + b:
pa = ToPrimitive(a)
if(pa is string)
return concat(pa, ToString(b))
else...
