duplicates

问题 I am trying to delete some duplicates out of a table and trying to retain one of the duplicates for ID1 column. Using this query I managed to delete based on ROWID. delete from tabela.lorik where ROWID not in ( select MAX(ROWID) from tabela.lorik GROUP BY ID1) Now I want to delete all those records found duplicate where NETAMT = 0 回答1: You can achieve this using the following query: delete from tabela.lorik O where O.netamt = 0 AND EXISTS (SELECT 1 FROM tabela.lorik I WHERE I.ID = O.ID AND I

问题 I am trying to delete some duplicates out of a table and trying to retain one of the duplicates for ID1 column. Using this query I managed to delete based on ROWID. delete from tabela.lorik where ROWID not in ( select MAX(ROWID) from tabela.lorik GROUP BY ID1) Now I want to delete all those records found duplicate where NETAMT = 0 回答1: You can achieve this using the following query: delete from tabela.lorik O where O.netamt = 0 AND EXISTS (SELECT 1 FROM tabela.lorik I WHERE I.ID = O.ID AND I

问题 I am attempting to use Duke to match records from one csv to another.First csv and second both has ID,Model,Price,CompanyName,Review,Url columns. I am trying to match to another csv to find duplicates records. package no.priv.garshol.duke; import no.priv.garshol.duke.matchers.PrintMatchListener; public class RunDuke { public static void main(String[] argv) throws Exception { Configuration config = ConfigLoader .load("/home/kishore/Duke-master/doc/example-data/presonalCare.xml"); Processor

问题 I have a dataset of >800k rows (example): id fieldA fieldB codeA codeB 120 Similar one addrs example1 929292 0006 3490 Similar oh addrs example3 929292 0006 2012 CLOSE CAA addrs example10232 kkda9a 0039 9058 CLASE CAC addrs example01232 kkda9a 0039 9058 NON DONE addrs example010193 kkda9a 0039 48848 OOO AD ADDD addrs example18238 uyMMnn 8303 Field ID is an unique id, both fields codeA and codeB must be the same, but the fields fieldA and fieldB need a Levenshtein distance or similar function.

问题 I am having an issue understanding a linker command error. I am receiving the following: duplicate symbol _OBJC_IVAR_$_XYZAddToDoItemViewController._toDoItem in: /Users/*/Library/Developer/Xcode/DerivedData/ToDoToday-fjyijxlbvauebmeuhtgdvdrjtfez/Build/Intermediates/ToDoToday.build/Debug-iphonesimulator/ToDoToday.build/Objects-normal/i386/XYZToDoListViewController.o /Users/*/Library/Developer/Xcode/DerivedData/ToDoToday-fjyijxlbvauebmeuhtgdvdrjtfez/Build/Intermediates/ToDoToday.build/Debug

问题 This one work: arr[0]="XX1 1" arr[1]="XX2 2" arr[2]="XX3 3" arr[3]="XX4 4" arr[4]="XX5 5" arr[5]="XX1 1" arr[6]="XX7 7" arr[7]="XX8 8" duplicate() { printf '%s\n' "${arr[@]}" | sort -cu |& awk -F: '{ print $5 }'; } duplicate_match=$(duplicate) echo "array: ${arr[@]}" # echo "duplicate: $duplicate_match" [[ ! $duplicate_match ]] || { echo "Found duplicate:$duplicate_match"; exit 0; } echo "no duplicate" with same code, this one doesn't work, why ? arr[0]="XX" arr[1]="wXyz" arr[2]="ABC" arr[3]=

问题 I have an 'test' excel where I have 4 columns from A-D. If A and B values are same with another row, macro deletes 'older' row and sums corresponding values to another row in to columns C and D. A | B | C | D A | B | C | D 1 1 | 2 | 1 | 5 2 | 3 | 2 | 5 2 2 | 3 | 2 | 5 2 | 6 | 2 | 5 3 2 | 6 | 2 | 5 After Macro 1 | 2 | 4 | 9 4 1 | 2 | 3 | 4 ---------> 5 | 4 | 1 | 2 5 5 | 4 | 1 | 2 EDITED! So here row 1 and row 4 had same values on columns A and B so macro deletes row 1 and adds row 1 column C D

问题 Original (see Update below) I'm a newbie to R and currently working with collaboration data in the form of an edge list with 32 columns and around 200.000 rows in the following representation: 1 A A A B C A 2 A B B B C A 3 A B C C C C 4 B A B A B C A, B, C represent the countries of the in the publication participating researchers' institutions. In the real data set "A" is e.g. a country name such as "England" or "China". I want to keep unique records (A) and double records (A A) but remove

问题 I have a react component, which generate many keys for a time, I am not sure which one is not unique. The error is as below. Any easy way to help debugging? thanks! react.js:19500 Warning: Each child in an array or iterator should have a unique "key" prop. Check the render method of MyGrid . See https ://fb.me/ react-warning-keys for more information. 回答1: This is a warning that you have NOT assigned a key, rather than it isn't actually unique, the next line of the message should tell you

问题 I want to copy files to a directory and rename to a particular format. but if the filename already exists, it should append {1}, {2} or {3} before the file extension. My code renamed and copied the file and named it to my desired format say filename.pdf, when it checked for duplicate it renamed it to filename1.pdf. but when it tried copying again, it gave an error "file already exists" but i wanted it to have named it to filename02.pdf. Pls can someone help me out. Here is the code i have