Questions tagged [duplicate-data]
354 questions
2
votes
2 answers
Is it better to make a method for returning a string from an Enum? or to have an extra string variable to hold the string value?
Right now I have
public enum EnumSize { Miniscule, Tiny, Small, Medium, Large, Huge, Giant }
and I want the string value returned so I made a switch statement to return the string value
public string getSize()
{
string temp =…

Joseph Dour
- 61
- 4
2
votes
1 answer
query that would count and increment the number of duplicate instances of that record
Using Access 2010.
So if I had a table
COL1
A
B
A
C
A
and the run the query I would get the output in COL2 where 'A' is duplicated three times and its COL2 value is in turn incremented.
COL1 | COL2
A | 1
B | 1
A | 2
C…

megaSteve4
- 1,760
- 1
- 17
- 24
2
votes
2 answers
SQL for duplicating parent and children records
I'm trying to figure out the best way to create a SQL statement (in SQL Server) to duplicate a parent record and all the children records. I have the below as an example;
-- duplicate the order
insert into Orders (CustomerID, EmployeeID, OrderDate,…

user2638607
- 21
- 1
2
votes
2 answers
C# Directory Services Double Addition to List
I have a directory services method to gather machines from Active Directory and return them as a List<> .
The code is:
public static List PCsAndAttributes(string PCName, string AttributeToRead)
{
List toReturn = new…

Austin T French
- 5,022
- 1
- 22
- 40
2
votes
11 answers
SQL Duplicate Delete Query over Millions of Rows for Performance
This has been an adventure. I started with the looping duplicate query located in my previous question, but each loop would go over all 17 million records, meaning it would take weeks (just running *select count * from MyTable* takes my server 4:30…

RyanKeeter
- 5,939
- 7
- 32
- 40
2
votes
1 answer
Is ARP source hardware address redundant?
I'm working on a network security project and I noticed something that I can't explain:
Why do we need a source hardware address field in arp? Isn't it already contained in the ethernet header?

Laurent
- 21
- 1
2
votes
3 answers
How to delete partial duplicate lines with AWK?
I have files with these kind of duplicate lines, where only the last field is…

zedascouves
- 35
- 1
- 7
2
votes
2 answers
Best method to deduplicate people records in Rails
I am writing a rails app with a Person model that looks something like this:
create_table "people", :force => true do |t|
t.string "first_name"
t.string "last_name"
t.string "email"
t.datetime "created_at", :null => false
…

DougB
- 674
- 7
- 14
2
votes
6 answers
Remove Duplicates with Caveats
I have a table with rowID, longitude, latitude, businessName, url, caption. This might look like:
rowID | long | lat | businessName | url | caption
1 20 -20 Pizza Hut yum.com null
How do I delete all of the duplicates, but only…

RyanKeeter
- 5,939
- 7
- 32
- 40
2
votes
3 answers
Duplicate Removal in a list of list
[
[0.074, 0.073, 0.072, 0.03, 0.029, 0.024, 0.021, 0.02],
[0.02, 0.02, 0.015],
[0.026, 0.026, 0.02, 0.02, 0.02, 0.015],
[0.021, 0.021, 0.02, 0.017], [0.077, 0.076, 0.074, 0.055, 0.045, 0.021],
[0.053, 0.052, 0.051, 0.023, 0.022],
[0.016,…

Ting Ping
- 1,145
- 7
- 18
- 34
2
votes
3 answers
Pull to refresh and list pagging duplicating records on listing page
I am new for sencha touch. I have a Listing page which using Ext.plugin.PullRefresh and Ext.plugin.ListPaging plugin to refresh my page, but I'm having an issue with duplicate items appearing after I pull to refresh.
Here is my…

user998405
- 1,329
- 5
- 41
- 84
2
votes
1 answer
Duplicates in a QIF File?
Does anyone have a good way of deleting duplicate transactions (same date, amount, biller, etc) in a QIF file? I looked at PERL's Finance:QIF, but it appear to have delete a record function.
Alternatively, does someone have a good QIF --> CSV…

NoahD
- 8,092
- 4
- 27
- 28
2
votes
2 answers
Tips for deduping a list based on priority column
I have a set of rows that contain duplicate entries because the data originates from multiples sources. I also have a separate reference table that indicates the priority of those data sources.
Does anyone have good tips for the most effective…

jkelley
- 2,570
- 3
- 21
- 24
2
votes
2 answers
Eliminating duplicate same-level elements in XSLT
I'm looking to display a list of same-level node names, without duplicates.
Let's say I have
I'd want c,d,e,f to be…
Jamie Carmichael
2
votes
2 answers
Generate connection table from table with duplicates
I have a SQL Server database table (DuplicateIds) that contains the ID's of duplicate words from another table (Words). Here's and example of the data in the table DuplicateIds:
word_id | word
----------------------------------
244…

tkahn
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