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Published on 2010-06-04T13:34:38Z
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2010/06/05
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What property makes Hash table, Hash list and Hash tree different from each other? Which one is used when? When is table superior than tree.
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I am starting with c++ and need to know, what should be the approach to copy one hashtable to another hashtable in C++?
We can easily do this in java using: HashMap copyOfOriginal=new HashMap(original);
But what about C++? How should I go about it?
UPDATE
Well, I am doing it at a very basic level…
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Say we have a hashtable of size m, and at each bucket we store a hashtable of size p.
What would the worst case/average case search complexity be?
I am inclined to say that since computing a hash function is still atomic, the only worst case scenario is if the value is at the end of the linked list…
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Hi All,
I am trying to fix the size of the Hashtable with following code.
Hashtable hashtable = new Hashtable(2);
//Add elements in the Hashtable
hashtable.Add("A", "Vijendra");
hashtable.Add("B", "Singh");
hashtable.Add("C", "Shakya");
hashtable.Add("D"…
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Hi,
In this hashing routine:
1.) I am able to add strings.
2.) I am able to view my added strings.
3.) When i try to add a duplicate string, it throws me an error saying already present.
4.) But, when i try to delete the same string which is already present in hash table,
then the lookup_routine…
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Hi guys i've never written a comparator b4 and im having a real problem. I've created a hashtable.
Hashtable <String, Objects> ht;
Could someone show how you'd write a comparator for a Hashtable? the examples i've seen overide equals and everything but i simply dont have a clue. The code…
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What property makes Hash table, Hash list and Hash tree different from each other? Which one is used when? When is table superior than tree.
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I am parsing xml from server. One of its node contains data like
<distance>16.3432434324354324km</distance>
I am putting it into hashmap like
for (int i = 0; i < nl.getLength(); i++) {
map.put(KEY_DISTANCE, parser.getValue(e, KEY_DISTANCE));
// adding HashList to ArrayList
menuItems…
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I'm trying to display a ProgressBar while a listview is being populated.
This is my XML
<FrameLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content" >
<ListView
android:id="@android:id/list"
android:layout_width="fill_parent"
…
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I made a simple AsyncTask class to display data in ListView with the help of this stackoverflow question.
But the AsyncTask onPostExecute is not being called.
This is my code:
public class Start extends SherlockActivity {
// JSON Node names
private static final String TAG_ID = "id";
private static…
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I will retrieve student information (id -number- name) from a database (MySQL) as a list view,
each student have 2 buttons (delete - alert ) and radio buttons
Every thing is ok, but how can I make an onClickListener, for example for the delete button
because I try lots of examples, I heard that…
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