theory

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SLR(1) Parser and epsilon involved

Let\'s suppose I have the following grammar: S → X X → a | ϵ If that grammar wouldn\'t have ϵ involved, I would construct the first state like:[详细]

2023-03-16 06:10 分类：问答
hierarchy in sites

I\'m not sure if this question will have a single answer or even a concise one for all answer but I thought I would ask non the less. The problem isn\'t language specific either but may have some sort[详细]

2023-03-16 01:49 分类：问答
Why does code igniter not segregate class types?

When you are using code igniter you load a library or model like so $this->load->library(\'mylibrary\');[详细]

2023-03-15 15:56 分类：问答
Declarative vs programmatic UI (Object instances, XAML, MXML, XUL, etc.)

I have been trying to make a decision which approach to take to build UIs: programmatic or declarative. I am using JavaScript and web technologies. In some projects like ExtJS and YUI they have taken[详细]

2023-03-15 12:17 分类：问答
What exactly does homoiconicity mean?

I was trying to understand the Wikipedia article on homoiconity, but it\'开发者_如何学JAVAs too verbose and does not explain the main theory behind the word concisely. I should add that I\'m not a nat[详细]

2023-03-15 12:00 分类：问答
How to structure Models and Views in NodeJS?

I am writing a NodeJS based server- and client-side JavaScript application. I have Controllers, Models, Views and Presenters. The problem I am facing is that some parts of the code need to be only ser[详细]

2023-03-15 09:48 分类：问答
Can an array contain integers and floats

Somebody asked me: can an array in java contain integers and floats? She got that question from a teacher.[详细]

2023-03-14 19:21 分类：问答
What is UI state?

What is UI state? Can you give me an example of something like that might be? Does it refer to things lik开发者_运维技巧e keeping track of what tab is open for example?I think the idea is that the app[详细]

2023-03-14 18:46 分类：问答
USACO: Subsets (Inefficient)

I am trying to solve subsets from the USACO training gateway... Problem Statement For many sets of consecutive integers from 1 through N (1 <= N <= 39), one can partition the set into two sets[详细]

2023-03-14 15:50 分类：问答
Is the Starbucks menu Turing Complete?

If we were to interpret the Starbuck\'s mini-language menu system as some sort of grammar or state machine, woul开发者_运维百科d that grammar be Turing complete? A description of the Starbuck\'s order[详细]

2023-03-14 04:54 分类：问答