duplicates

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Find lines beginning with same string and keep last occurance

I have this data: E 71484666NC 1201011060240260 387802-1227810102225052313D 0 1G5 E 71484666NC 1201011060240263 387902-1227910130010021300D 0 1A5[详细]

2023-03-22 15:40 分类：问答
MySQL update Loop -> how to

I want to loop the following command, for all distinct values in a column upd开发者_StackOverflow中文版ate myTable set myUglyField = replace(myUglyField,\'<trimmed distinct value here>\\r\\n\',[详细]

2023-03-22 10:52 分类：问答
Duplicate results with SQL join

SELECT `groups`.`name`, `groups`.`id` FROM `groups` JOIN `group_members` ON (`group_members`.`user_id` = `groups`.`user_id`)[详细]

2023-03-22 09:18 分类：问答
What is the fastest setup for computing large string datasets?

For my day job, I have been tasked with setting up a computer system to run calculations on a large database of strings. I have establish a proof of concept, but don\'t have the low-level knowledge to[详细]

2023-03-22 07:52 分类：问答
How can I stop a form repeating using fields_for?

I have a table of venues where each can have many offers. I have a form which adds offers to venues from the venues edit page.[详细]

2023-03-22 06:44 分类：问答
Duplicate file handle to avoid Sharing Violation Error Message

I´m trying to work on a incremental backup system and when I run my script, I always get the \"Cannot open file due to sharing violation\" as the file I´m trying to open to do the incremental backup[详细]

2023-03-22 06:15 分类：问答
Concatenate duplicate elements information based on multiple elements using XSL

I am not that bright in XSL. I have an XML as below: <?xml version=\"1.0\" ?> <accountitem>[详细]

2023-03-22 06:01 分类：问答
Database Approach - Redundant data

I have 3 tables: products (id, name, price, etc) orders (id, date, payment_method, etc) shipments (id, order_id, product_id, address, etc)[详细]

2023-03-22 01:49 分类：问答
Remove duplicate values from a string in java

Can anyone please let me know how to remove duplicate values from String s=\"Bangalore-Chennai-NewYork-Bangalore-Chennai\";[详细]

2023-03-22 01:20 分类：问答
Echo row when $variable is duplicate but primary key is unique

I\'m creating a list of stores within cities. So where there\'s only one store in a city, I want it to display just the one result. When there are two or more stores within the city, I want it to disp[详细]

2023-03-22 01:16 分类：问答