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Questions tagged [enumeration]

The process of enumerating values, for example from some collection.

Use for enumeration types.

1894 questions
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Enumeration of struct elements c++

I'm simply trying to create an enumeration of several struct elements with C++ (actually it may look more like C, so if you have any suggestion to make it look more like C++, I'll take it). Here is the code : struct Vect { int x; int…
Grominet
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Add Items to two list with some sort of reference/hierarchy

Please bear with me with this vague explanation, I'm not quite sure if it's understandable.. Let's say I have two items that need to be added to a collections/a list. I need to have some sort of reference to an id. So, say my list consists of…
Allix
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Binary OR on [Flags] Enumeration Elements - Why is simple addition of Flags not allowed?

[Flags] public enum EyeColors { None = 0, Blue = 1 << 0, Cyan = 1 << 1, Brown = 1 << 2, Black = 1 << 3, Green = 1 << 4, Browngreen = 2 | 4 // Browngreen = Brown | Green } While Browngreen = 2 | 4 Browngreen = Brown…
Lennart
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Searching datatable using LINQ fails

I have a datatable with Multiple Columns. I am trying to extract a row that matches multiple conditions. My code for the same is var filtered = Results.AsEnumerable() .Where(r => r.Field("Suite").Contains(Suite_Name) && …
Sudhir Somasundaram
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Iterate an ArrayList to count by object attribute

I have an ArrayList of products already initialized. The Product constructor is: public Product(String number, String type, double rentalDeposit, double rentalPrice, double lateFee, double buyPrice, int maxDuration) The type is determined by an…
Cass
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Iterating over a text file and returning a range of values in Python

I need to get a range of values from a large text file that contains epoch time stamps. I am currently looping through the file for start/end points, retrieving the line numbers, then iterating over the list again to retrieve the range values. …
Skyros
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Is Enumeration in java is Fail-safe? if yes how?

There are fail safe iterators in java which creates the copy of the collection to iterate over to provide fail safe behavior. Enumeration works on legacy java classes Vector, Stack and HashTable etc(These are Synchronized collections). How…
Anshul Sharma
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How list all modules of system (not modules of my own process)?

I want list all modules of system. Have a code that list only all modules loaded in my own process. So, how change the following code for turn able of enumerate all modules of system (including ntoskrnl.exe and win32k.sys)? thank…
user8767827
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Python keeping track of indices in lists at certain points

I'm having some trouble with iteration and keeping track of various indices and values at different points in my list (I'm new to Python). I am running a series of cycles, but want to determine their starts and end times. Experiments starts at…
djennacs
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C# - Working with values in a Dictionary

This may be a simple question, but I can't figure out a simple way of doing this. I currently have a simple dictionary with KeyValuePairs like the following: <1, 100> <2, 200> <3, -999> <4, 134> <5, -999> <6, 223> <7, 123> The value's (-999)…
keynesiancross
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Python Selenium Webdriver: Enumerate hyperlinks and download files

I'm trying to enumerate all hyperlinks (with files to download from) from a webpage, and subsequently download these files one after the other. The hyperlinks when clicked require a form to be filled for which I've created a class to complete the…
Cashi
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Enumerate subsets with DFS

I want to enumerate all possible subsets of a given array, which should be 2^N in total. Here I use sum to represent all subsets since sums are distinct in this example. I use a auxiliary array called taken to mark if the current item is taken and…
ssd
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How can I return an object of type EntityCollection for use with a SelectList in ASP.NET MVC?

I have made an extension to DropDownList in the ASP.NET MVC HtmlHelper to make it render optgroup's. It works 'fine' when the second collection is an IList, but I quickly found out that if it's not, or in my case if it's an EntityCollection it…
Gup3rSuR4c
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Java "confuses" class with datatype (enumeration)

I'm doing an assignment in Java where I'm supposed to use the enumeration type MONTH that I've imported in my project. My teacher has written that "There is a special function that will convert a number to it's month: Month.month(8)". I've written…
ronaldfisher
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Enumerating Strings in Java with For Loop

Having trouble getting this for loop w/ enumerated strings to compile, I don't know what I'm missing to make it work. I prefer using for (i = 0; i < 5; i++) {} but it doesn't work well for strings. Any advice is appreciated. import…
Squilly
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