Way To Create A Dictionary
Apr 12, 2010
Is there any sort of API for google dictionary or dictionary.com (note: i have tried the google API but that does not support dictionary!!!) or some way to download the information from those sites? i will be using this in a bigger program (a very basic chatbot) so the definition has to be able to easily be output to a string or textbox!!!
note: i have asked mr.google many a time but all the responses are not what i want! and i dont want to have to manually write my OWN dictionary (i.e. writing in each specific word and definition)
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Aug 11, 2009
I'm attempting to create a customized dictionary object, because I want to add some code to the Add routine, and I can't just inherit because Add is not overridable.
So I'm creating a class that implements IDictionary. Already I am confused, because Dictionary implements a lot of interfaces, listed below:
Implements IDictionary(Of TKey, TValue), ICollection(Of KeyValuePair(Of TKey, TValue)), _
IEnumerable(Of KeyValuePair(Of TKey, TValue)), IDictionary, ICollection, _
IEnumerable, ISerializable, IDeserializationCallback
But IDictionary inherits ICollection and IEnumerable, so why implement all three (and don't they have overlapping methods)?
#2, when I implement IDictionary, the code fills in two Add methods (one for the ICollection add of a keyvaluepair, one for the Idictionary method). Apparently both these add methods are required for Idictionary, yet a regular dictionary (which implements IDictionary) only has one Add method that I can see. I actually would like to have only one Add method if possible. Why am I being asked to make two (and that's before all the other interfaces have been added)?
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Apr 19, 2010
I was trying to create a generic Dictionary that implements IXmlSerializable (credit to Charles Feduke).
Here is my trial:
Sub Main()
Dim z As New SerializableDictionary(Of String, String)
z.Add("asdf", "asd")
[Code].....
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Apr 9, 2009
I have a function that has an optional dictionary argument. Since it's optional, it needs a default value, and I'd like to set it to an empty dictionary instead of Nothing. How do I go about that?
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Apr 8, 2011
I'm trying to create a new instance of a Dictionary(Of String, ??) based on a ItemType variable I have. How do I construct the DictType so that I can use Activator to create an Instance of the type I'm after?
Dim ItemType As Type ' Data type of dictionary value
Dim DictType As Type = ???? ' Dictionary(of String, ItemType)
Dim NewDict = Activator.CreateInstance(DictType)
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Jan 25, 2010
I want to group items from a linq query under a header, so that for each header I have a list of objects that match the header title. I assumed the solution would be to use ToDictionary to convert the objects, but this allows only one object per "group" (or dictionary key). I assumed I could create the dictionary of type (String, List Of()), but I can't figure out how to write it. As an example I have written a simplified version below.
[Code]...
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Apr 27, 2009
I have created a class with a function in it. I have a collection of data I want to pass back. I tried an arraylist first. Now I am trying to use a dictionary. My problem is that it creates the dictionary ok, but I am only get the last row of data from my
Function GetWeldAuditInfo(ByVal ResourceId
As
String,
ByVal VendorId
[CODE].........................
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Apr 16, 2012
I have the following object:
countDictionary As Dictionary(of Category, Dictionary(of Date, Integer))
The Class has a Enumeration Property. For the purposes of demonstration, I'll call it MasterCategory.I have been trying to get out an object that looks like the following:
groupedCountDictionary As Dictionary(of MasterCategory, Dictionary(of Date, Integer)
The best result I could get was:
Lookup(of MasterCategory, Dictionary(of Date, Integer))
From:
countDictionary.ToLookup(Function(o) o.Key.MasterCategory, Function(o) o.Value)
Which results in a IEnumerable (Of Dictionary(of Date, Integer)) for each MasterCategory value.However, I need that IEnumerable of Dictionary flattened to one dictionary with all the integers summed (total counts) for each date. I then tried to use various selects and group bys (from numerous stackoverflow posts) to "flatten" it, but my efforts have fallen short.
Current Code
[Category Class]
- MasterCategory As Enum
- Name As String etc
[code]....
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Jul 7, 2010
I have created a Dictionary class (MyDictionary for the example). I am currently trying to pass MyDictionary into a function, filter it into a new instance of MyDictionary and pass this new instance into another method. When I am attempting to create the second instance from the filtered first instance of MyDictionary via Lambda Expressions and the ToDictionary Method, I am getting the following error:
Unable to cast object of type 'System.Collections.Generic.Dictionary`2[System.Int32,System.String]' to type 'MyDictionary'. I have simplified the example and recreated it in LINQPad and am getting the same error.
Here's the simplified version of my code:
[Code]...
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Jan 6, 2011
I use VS2005 and I have just started working with the dictionary in particular the Dictionary.ContainsKey method. At the bottom of the page in the msdn library it says the following in the community content How to make sure that Contains functions properly.
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Jun 13, 2011
Basically, what I've done is given the user four tabs to choose from. The main one is the dictionary which I've compiled, and the other three tabs link to online encyclopedias and dictionaries. However, what I want to do is make an app for each of these, because of the fact that the screen space I am giving the user is limited (499px x 254px), and I also believe that it will look more professional.
What I'm thinking of doing is putting the logo towards the top, and then:For Wikipedia, putting the title and picture at the top and breaking the article into show/hide sections like the mobile version
For Wiktionary, putting the title at the top, and breaking it down into show/hide sections when applicable
For Dictionary.com. putting the title at the top and showing the definitions (with linked pronunciations) underneath
Of course, I'll need it to automatically redirect itself to the webpage I need it to go to, because I don't want to type another 300,000 lines of code just to go to a website.
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Feb 26, 2010
How would I go about copying every value of one Dictionary list to another Dictionary list.
Here is what I've done:
VB.net
' Assign values to player pairs enumeration
Private Enum cmptrPairsList
empty = 0
[code]....
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Jun 21, 2012
I have written this function to auto correct gender to M or F from different values in a string array. It works fine but my manager told me to use Dictionary which he said is more efficient.[code]
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Sep 27, 2011
Is it possible to change the key of a dictionary?
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Apr 19, 2010
I have a dictionary in the form of: { "honda" : 4, "toyota": 7, "ford" : 3, "chevy": 10 }
I want to sort it by the second column aka (the value) descending.
Desired output:
"chevy", 10
"toyota", 7
"honda", 4
"ford", 3
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Sep 27, 2011
Is it possible to change the key of a dictionary?
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Oct 19, 2011
I need to order a Dictionary in VB.net based off of the keys. The keys and values are all strings. The dictionary does not have a .Sort(). Is there a way to do this without having to write my own sorting algorithm?
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Mar 15, 2010
I have a dictionary of key=string and value=datatable. I use a key to retrieve a datatable and assign that datatable to a new variable. Then I make some updates to the variable. However, I find that the dictionary itself is being updated even though I'm only updating the variable. This causes significant issues when I try to reference the dictionary later. How can I set up my dictionary so that it won't update when I use a value?
dim dt1 as datatable
dt1=dictionary(key)
For row=0 to dt1.rows.count
dt1.Rows(row)(4)=dt1.rows(row)(4)/2
Next row
'at this point, when I look up dictionary(key), the value I get shows all of the original values divided by 2.
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Dec 6, 2010
It is possible to output all the dictionary values to a textbox? Not the keys, just the values of all the keys.
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Sep 30, 2011
How to make a dictionary? that left side have listbox, rightside have one picturebox and textbox. When i clicked on the "APPLE" in listbox, it open APPLE'S picture and describe, when i clicked on the "ORANGE" in listbox, it open ORANGE's picture and describe.But now the problem is, i want to make it all in a exe, so that APPLE & ORANGE's picture and describe will be combine into the EXE, so what is the most easiest code to done...
- LOAD THE PIC INSIDE THE EXE (RESOURCE?)
- LOAD THE TEXT INSIDE THE EXE (RESOURCE?)
- SEARCH THE LISTBOX FOR SPECIFY ITEM
EDIT: With search function...
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Mar 30, 2010
[code] For example, if the word was "cat" it would return true. If the word was "jlakfh", then it word return false. To do this i need some kind of dictionary array or something. How do I do this? If it helps, I only needs words with less than 7 letters in them, and more than 2 letters in them. Also, I don't need the definitions of the words. I only need the words themselves in the arary. Do I need to manually input all the words into an array or is there already a dictionary control or something that I could use?
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Dec 28, 2011
I've got a nested dict like:
Public collectionMain As New Dictionary(Of String, Dictionary(Of String, String))
When inserting a new item:
collectionMain.Add(node.SelectSingleNode("key").InnerText.Trim, collectionSub)
collectionSub.Clear()
On the add my collectionSub is filled with key & values. But when calling clear, the collectionMain.value is empty.
How can i keep the collectionMain dictionary value?
The collectionSub needs to be cleared, it's in a loop for filling.
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Nov 3, 2010
I have been trying to use a bit array as a dictionary key and even though I know each bitarray value is different the program fails with a duplicate key message when a try to add the second record to the dictionary. Is there any way I can make this work?
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Jul 16, 2010
Question: I use a serializable dictionary class, found at , to serialize a dictionary.
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Dec 1, 2011
i was searching for a simple solution that i can use in sorting a dictionary by value, and i was not content with what i found, so i made up these two functions for sorting a dictionary ascending and descending. I do not assume that they are perfect, so improvements are welcomed. They are written in VB.Net and use an intermediary dictionary.
Public Function SortDictionaryAsc(ByVal dict As Dictionary(Of Long, Decimal)) As Dictionary(Of Long, Decimal)
Dim final As New Dictionary(Of Long, Decimal)
[code].....
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Feb 1, 2010
I have a series of "keys" and associated "descriptors". I have them set up in a VB dictionary to use the keys to select the descriptor for output (the descriptor is the English translation of the hexadecimal key; both are dictionaried as strings).I have looked at the help files and all they do is "for each" statements to retrieve the entire key list or the entire descriptor list. What I need to be able to do is take a key, determined early in the program, and use the dictionary to look up what the English equivalent is. I don't need to retrieve ALL the keys or ALL the descriptors.VB6 made this easy.I'm having trouble doing the same thing in VB 2008.I can provide a sample of the code I have been working with after I get access to that computer.
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Jan 28, 2012
I'm writing a bit of code that I want to populate a TreeView, which it does quite successfully, but I also want to put a Dictionary in the Tag of each Level 1 child node. Once the Tag has been set to the Dictionary, is there any way I can modify the dictionary, without redeclaring the Tag.For Each verse In Verses
Dim _verse = verse.ToString.Trim
Dim _node As TreeNode = New TreeNode(_verse.Split(vbNewLine).First & "...")
_node.ToolTipText = _verse[code]...
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Sep 12, 2009
What I would like to do is make an abstract class that will hold objects in a dictionary and manage the adding/deleting/key changes of those items in the dictionary. My problem is that in order to make the class as generic as possible I declared the dictionary as dictionary(of long, of SomeInterface).The problem is when I try to pass a strongly typed dictionary in the constructor using dictionary( of long, ClassThatImplementsSomeInterface) I get a compiler error because it cannot convert to that type.
The reason I want to pass the dictionary in the abstract class's constructor is so that I can use the strongly typed dictionary in the subclass and have the abstract class manage the keys when it needs to. So how can I do something like this? Also- If there is a much better way to manage keys than what I am doing feel free to let me know, but I am much more interested in how to make this work since I have encountered this type of problem a few times before.
Here's the abstract class:
Public MustInherit Class HasChildrenKeys
Protected m_childItems As Dictionary(Of Long, IHasKey)
[code].....
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Dec 1, 2009
I want to extend the VB.NET dictionary object to not bitch about an item being already in the associative array.This is what i want to do:
[Code]...
My problem now is:How can I replace the (of object, object)line to let the dictionary be of generic/customizable type?
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Mar 23, 2012
I'm trying to sort a dictionary by value with LINQ but I can't figure how the ToDictionary() method works.
All the examples I can find are in c#.
here's my code
Dim f As Dictionary(Of String, String) = (From value In projectDescriptions.Values
Order By value Ascending
Select value).ToDictionary(???)
[Code].....
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