I'd like to create a Dictionary that is indexed by Strings: Dictionary(of String, ...) I'd like the Type after the comma to be an Array of MyObject's. If all I do is the following: Dim D as new Dictionary(of String, Array) I feel like I'm missing out on some performance very time I access a member: Dim Object1 as MyObject = MyDict...
I migrate between C++ and VB.NET in my coding ventures... which leads to the occasional confusion about when something is by value or by reference in VB.NET. Let's say for example that I have an array of MyObject which is populated with a bunch of objects. dim MyArr(5000) of MyObject Now let's say that the information from this array...
Is there a way to automatically lock an STL container on access, without having to lock and release around it? ...
List1 in the following example is a SortedList(Of MyClass) and contains 251 members. The first two codeblocks execute in 15.5 seconds. 1: For cnt As Integer = 1 To 1000000 For Each TempDE In List1 Dim F As String = TempDE.Key TempDE.Value.x1 = 444 Next Next 2: For cnt As Integer = 1 ...
Hi, I am having problems dealing with containers and components in my JApplet. I don't put my code because I think there is no need for it. The main class owns the getContentPane(). Another class (let's call it class1) owns a JLayeredPane() and components that are added to it. Another class (let's call it class2) only have components...
I have a simple container : template <class nodeType> list { public: struct node { nodeType info; node* next; }; //... }; Now, there is a function called _search which searches the list and returns a reference to the node which matched. Now, when I am referring to the return-type of the...
how can i get the type of the elements that are held by a STL container? ...
http://blog.helpcurenow.org I'm working on the development of this blog and it seems ie7 and ie8 both are displaying the content so that the container seems to be ignoring the "margin:0px auto;" rule. It could be something else I'm just not getting, but either way the effect is that the content (as well as the navigational links) are f...
Let's say I need to retrieve the median from a sequence of 1000000 random numeric values. If using anything but STL::list, I have no (built-in) way to sort sequence for median calculation. If using STL::list, I can't randomly access values to retrieve middle (median) of sorted sequence. Is it better to implement sorting myself and go...
I have been searching for sample code creating iterator for my own container, but I haven't really found a good example. I know this been asked before (http://stackoverflow.com/questions/148540/c-creating-my-own-iterators) but didn't see any satisfactory answer with examples. I am looking for simple sample code to start how to design ...
What is the bare minimum amount of code to create a custom container that would work with Qt foreach macro? I have this so far template< class T > class MyList { public: class iterator { public: }; class const_iterator { public: inline iterator& operator++ () { return *this; } }; }; and I'm getting ...
Ok, I have not been able to really find an answer to this on the internet.. Maybe someone here can help me. For example, lets say I have a page and 2 custom controls on that page. During what event on page do these controls get constructed. When does their page_init get called? Also, for these 2 custom controls, do they both get const...
Is std::string a container class in standard c++ library, restricted to hold only char elements? ...
Is there a way to force a container to store all values as strings? I am using str2con in order to split text strings into containers. Any time a field with numbers only comes up, it is stored as an int, which isn't a huge problem. What IS a big problem is when the string of numbers exceeds the integer size and the number becomes somet...
Can I construct an std::map where the key type is a reference type, e.g. Foo & and if not, why not? ...
hi! is there in C# some already defined generic container which can be used as Stack and as Queue at the same time? I just want to be able to append elements either to the end, or to the front of the queue thanks ...
I searched around on Google, but I was unable to find any libraries for a multi-dimensional container in Java (preferably one that supports generics as well). I could easily write one (in fact, I have started to), but I was hoping that I would be able to reuse the work someone else has done for the sake of efficiency. I don't necessari...
I know the "XMLHttpRequest" object supports a method "open" which has an optional parameter of a username and password. I just found out that these parameters can be supplier for requests requiring container-based authentication. This is the method signature: open(method, url, async, username, password) Can someone help me out with t...
If I have a container (vector, list, etc) where each element is a std::pair, is there an easy way to iterate over each element of each pair? i.e. std::vector<std::pair<int,int> > a; a.push_back(std::pair(1,3)); a.push_back(std::pair(2,3)); a.push_back(std::pair(4,2)); a.push_back(std::pair(5,2)); a.push_back(std::pair(1,5)); and the...
Hi there. Actually, I have a design question here. Its very simple but the point is: I have one C++ class that has a STL vector declared as a private member. But the clients of that class need to iterate over this vector. In C# we have a very handy statement, the Yield, that in cases like that, you write a function returning an IEnu...