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Why hasn't functional programming taken over yet?
... Mainstream languages keep getting more Smalltalk-like with C++, Java, C#, etc. Fashion and style change slower than anything, so when OO went mainstream, we got it by gluing parts of OO to old languages so it looked enough like C to swallow.
Functional is the same way. Haskell was a great functi...
Capture Image from Camera and Display in Activity
...dInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
this.imageView = (ImageView)this.findViewById(R.id.imageView1);
Button photoButton = (Button) this.findViewById(R.id.button1);
photoButton.setOnClickListener(new View.OnCl...
CDN（内容分发网络）技术原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...CACHE的A记录
cache IN A 211.99.13.47
2) /etc/named.conf中的内容为：
options {
directory "/var/named";
sortlist {
#这一段表示当在本地执行查询时
#将按照202.93.22.13,210.21.30.90,211.99.13.47的顺序返回地址
{ local...
How and when to use ‘async’ and ‘await’
...iginal Request object which has things like language, IP address, headers, etc. If you switch threads halfway through processing something, you could potentially end up trying to pull information out of this object on a different HttpContext which could be disastrous. If you know you won't be using ...
How to check if a variable is a dictionary in Python?
...egin with ('god object's, overriding standard library/language constructs, etc.) The original question is itself an XY problem. Why does the OP need to check type? Because according to their code what they really want to do is to check whether an item in their collection behaves like a collection (i...
Java to Clojure rewrite
...ons, Declarative transactions/EJB, web layer (you mentioned JSP, servlets) etc. I have noticed the Clojure eco-system has various micro-frameworks and libraries with a goal to do one task, and do it well. I'd suggest evaluate libraries based on your need (and whether it would scale in large projects...
Is Using .NET 4.0 Tuples in my C# Code a Poor Design Decision?
...hat case, rather than having to remember the significance of Item1, Item2, etc.
Anonymous classes in C# already provide a superb solution to the most common private use of tuples, and they give meaningful names to the items, so they are actually superior in that sense. The only problem is that they...
vs
... integer type you use or else bring it into scope with using std::int32_t; etc (annoying because verbose, but it's the right way to do it just like for any other symbol in the C++ standard library)
Use <stdint.h> (slightly bad because deprecated)
Use <cstdint> and assume your implementat...
What are some uses of template template parameters?
...PU.
Both templates can work with all basic types, like float, double, int, etc
And I also have a class template (simplified):
template <template <class> class TT, class T> class CLayerT: public Layer<TT<T> >
{
TT<T> weights;
TT<T> inputs;
TT<int>...
In what areas might the use of F# be more appropriate than C#? [closed]
...tions (e.g. to format list of objects separated using the specified string etc.), which removed a lot of repetition (and tedious foreach loops).
These are two relatively specific examples, but both of them are related to working with representations of programs, or expressions, or more generally, ...