duplicates

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How can I detect a duplicate post in PHP? [duplicate]

This question already has an answer here: How to prevent duplicating DB insertions when refreshing? (1 answer)[详细]

2023-03-31 04:06 分类：问答
Check if string exist in non-consecutive lines in a given column

I have files with the following format: ATOM8962CAVAL W88.64781.46725.6561.00115.78C ATOM8963CVAL W810.05380.96325.5061.00114.60C[详细]

2023-03-30 19:30 分类：问答
Preventing Duplicate Login Records

We have a a large set of users who use our web application fairly infrequently (i.e. they don\'t visit every day or every week). As a result, they often:[详细]

2023-03-30 18:45 分类：问答
Is it possible to do an increment with mongoimport?

I am trying to import data in JSON format into a MongoDB collection using mongoimport and files saved on disk. This all works perfectly fine but I need to increment a specific field (\"hits\" by one)[详细]

2023-03-30 08:01 分类：问答
MySQL: Advanced insert if not exists

I have a table with with essentially three columns: user_id, setting, and value. I\'m trying to use the following code:[详细]

2023-03-30 06:58 分类：问答
WYM editor - stop duplicate inserts happening

I am using WYMeditor in a project which works very well and is easy to use.I have added a custom button which opens a modal containing thumbnails of images.Click on the image and it gets inserted into[详细]

2023-03-30 01:55 分类：问答
remove rows in file - Ruby

What is a clever way to remove rows from a CSV file in ruby where a particular value exists in a particular row?[详细]

2023-03-29 19:39 分类：问答
SQL Query to eliminate similar entries

I am working on a problem in SQL Server 2008 I have a table with six columns: PK INT dOne SmallINT dTwo SmallINT[详细]

2023-03-29 14:43 分类：问答
Remove duplicates records in a MySQL table with key but not primary key

I need to remove duplicate records (just to keep one copy) from a MySQL table in MyISAM format. I have read many questions in Stackoverflow about similar issues but always the people use an ID field a[详细]

2023-03-29 03:55 分类：问答
How do I make a new array containing just one instance of duplicates from 2 separate arrays while combining them in php?

So far I have done the following: $row = mysql_fetch_assoc($result); $row2 = mysql_fetch_assoc($result);[详细]

2023-03-28 01:10 分类：问答