大约有 22,000 项符合查询结果（耗时：0.0496秒） [XML]
lenses, fclabels, data-accessor - which library for structure access and mutation is better
...s implementation you use.
Many of these libraries also provide a bunch of extra combinators on top, and usually some form of template haskell machinery to automatically generate lenses for the fields of simple record types.
With that in mind, we can turn to the different implementations:
Implemen...
Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
...benefit of zero extension would actually be required more, so it saves the extra line of code mov rax, 0. By guaranteeing it will always be zero extended to 64 bits, the compilers can work with this axiom in mind whilst in mov rdx, rax, rax only has to wait for its single dependency, meaning it can ...
CORS - What is the motivation behind introducing preflight requests?
...change this), but in a world with CORS the preflight mechanism provides an extra 'sanity check' so that clients and servers don't break because the underlying rules of the web have changed.
Servers that are still under development, but which contain a lot of old code and for which it's not feasible/...
Big-O for Eight Year Olds? [duplicate]
...int (it's where the n^2.8... came from.) I still assert it isn't worth the extra overhead in most practical cases.
– sfink
Jun 9 '09 at 19:26
5
...
REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...------------------------------------------
# Specify the Starter Database character set.
#非常关键的一步，选择字符集。错误的字符集会给后期带来无尽的麻烦，所以一定要确认好字符集。通常我们选择的是ZHS16GBK, 所谓的国标16位简体中文库
# It ...
Why do people use Heroku when AWS is present? What distinguishes Heroku from AWS? [closed]
...d 36GB of RAM - this leads me to believe that I'm on a "High-Memory Double Extra Large Instance". The Heroku dyno documentation says each dyno receives 512MB of RAM, so I'm potentially sharing with up to 71 other dynos. (I don't have enough data about the homogeny of Heroku's AWS instances, so your ...
When to use LinkedList over ArrayList in Java?
...wo additional pointers and each node is a separate wrapper object with the extra overhead bytes that go with them).
– Kevin Brock
Mar 23 '10 at 0:46
43
...
Difference between shared objects (.so), static libraries (.a), and DLL's (.so)?
...to open and use a .so or .dll that wasnt there at compile that or just add extra functionality, like plugins.
– rapadura
Mar 13 '12 at 16:49
...
Ioc/DI - Why do I have to reference all layers/assemblies in application's entry point?
...t no longer happens automatically. Personally, I rarely find it worth that extra effort.
A more elaborate version of this answer can be found in this excerpt from my book Dependency Injection, Principles, Practices, Patterns.
...
multi-layer perceptron (MLP) architecture: criteria for choosing number of hidden layers and size of
..., err on the side of more nodes
in the hidden layer.
Why? First, a few extra nodes in the hidden layer isn't likely do any any harm--your MLP will still converge. On the other hand, too few nodes in the hidden layer can prevent convergence. Think of it this way, additional nodes provides some ex...