iterator

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Is there an STL container that stores an array of elements in contiguous memory where the element size is specified at runtime?

I\'m trying to create container that looks close to how my file spec works. It\'s like a vector but the type of the elements is defined by a hashtable.[详细]

2023-04-01 21:47 分类：问答
"No match for operator=" trying to iterate through map in C++

I\'m 开发者_StackOverflow中文版trying to iterate through a map defined as the following: std::map< size_type, std::pair<size_t, unsigned int> > ridx_;[详细]

2023-04-01 10:47 分类：问答
Implementing Bentley-McIlroy three-way partitioning using STL iterators?

In their talk \"Quicksort is Optimal\", Sedgewick and Bentley refer to a modified version of the quicksort partitioning step called Bentley-McIlroy three-way partitioning.开发者_开发知识库This version[详细]

2023-04-01 08:45 分类：问答
how to use the iterator in if -else loop with removeAll in java?

I have the following problem: I do use iterator in the first part of \"if\" to remove an element of S, but I don\'t have a clue about how to remove the whole set S3 from S using the same iterator agai[详细]

2023-04-01 08:16 分类：问答
Iterator, set, if-else tags of Struts2(Getting the value of s:radio and applying if-else )

I have a jsp page in which I have two radio buttons and a select tag. Now, if the first radio button is clicked than I want to make that select tag disable but I am fail to do this , I have tried usin[详细]

2023-04-01 06:32 分类：问答
safe Iterator.max

Is there a library that offers a function like Iterator.max开发者_Python百科, but that returns an Option[A] rather than an A to account for possibly-empty iterators? Alternately, is there a library th[详细]

2023-04-01 05:04 分类：问答
c++ what does "iter = ++iter" do? is it valid?

I have a question on c++ std iterators. suppose iter is std::set<SomeType>::iterator type. Is: iter = ++iter[详细]

2023-04-01 00:27 分类：问答
Java: HashMap claims it has key, but somehow hasn't

I have a HashMap mapping objects of my Context class to Integers. In the Context class, I did override the public int hashCode() and public boolean equals(Object c) of java.lang.Object. However, I hav[详细]

2023-03-31 19:24 分类：问答
Shrink LinkedHashMap in Java

How can you shrink a LinkedHashMap? I overrode the removeEldestEntry method, but this method is only called once when a new value is inse开发者_如何学Pythonrted. So there is no change of making the ma[详细]

2023-03-31 16:50 分类：问答
C++ algorithms that create their output-storage instead of being applied to existing storage?

The C++ std algorithms define a number of algorithms that take an input and an output sequence, and create the elements of the output sequence from the elements of the input sequence. (Best example be[详细]

2023-03-31 12:34 分类：问答