iterator

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Ruby: Manipulate Iterators?

I\'m having teething problems with Ruby, with regards to creating single-direction, lazily-evaluated, potentially-infinite iterators. Basically, I\'m trying to use Ruby like I\'d use Haskell lists and[详细]

2023-03-26 19:01 分类：问答
How to get the elements in correct order from iterator()

Here is my code to store the data into HashMap and display the data using iterator public static void main(String args[]) {[详细]

2023-03-26 18:47 分类：问答
When to use for (int i =0; ; ) / for-each / iterator to go through a List

Is it a matter of preference to use the traditi开发者_C百科onal for loop, the for-each loop or an iterator to go through a List?[详细]

2023-03-26 08:16 分类：问答
Need iterator when using ranged-based for loops

Currently, I can only do ranged based loops with this: for (auto& value : values) But sometimes I need an iterator to the value, instead of a reference (For whatever reason). Is there 开发者_运[详细]

2023-03-26 06:25 分类：问答
Sequence iterator? Isn't there one in boost?

From time to time I am feeling the need for a certain kind of iterator (for which I can\'t make up a good name except the one prefixed to the title of this question).[详细]

2023-03-26 05:30 分类：问答
struts2 table with iterator shows checkbox in different row

I have the following code in a jsp.开发者_如何学C <table> <tr> <s:if test=\"%{#session[\'s_userRole\']==\'Supervisor\'}\">[详细]

2023-03-26 05:18 分类：问答
PHP iterator - run function when iteration completes

I have a iterator like this one: http://nz.php.net/manual/en/class.iterator.php And I was wondering how could I implement a method that runs when the objects have finished iterating.[详细]

2023-03-26 02:19 分类：问答
Trouble with iterating through std::set (c++)

I am having problems with sets all day. Some I can solve, others not. This one is bugging me since the morning, and I have run out of patience. Please help, mighty stackoverflow![详细]

2023-03-26 01:32 分类：问答
Creating a new iterator object every time I traverse the list

If I create an Iterator object on any List, do I have to create a new iterator object every time I traverse the list? Or do new items added or removed from the list automatically get accounted for by[详细]

2023-03-26 00:53 分类：问答
How to check if the iterator is initialized?

If I use a default constructor for an iterator, how to check if it was assigned later on? For pointers, I could do this :[详细]

2023-03-25 21:50 分类：问答