unique
Python sort unique list of lists' items
I can\'t seem to find a question on SO about my particular problem, so forgive me if this has been asked before![详细]
2023-04-08 14:54 分类：问答Get number of values that only appear once in a column
Firstly, if it is relevant, I\'m using MySQL, though I assume a solution would work across DB products. My problem is thus:[详细]
2023-04-07 09:48 分类：问答Bingo Board: Generating unique values
I\'m having trouble generating unique values which do NOT repeat for this bingo board. My code is relatively simple: I use a nested for loop to generate the values with some print statements; upon eac[详细]
2023-04-07 00:31 分类：问答Django database model "unique_together" not working?
I want my ip and stream_id combination to be unique, so I wrote this model: # Votes class Vote(models.Model):[详细]
2023-04-06 21:05 分类：问答stdlib "Unique" method does not work
I\'m trying to use the C++ Standard Library algorithm unique (with BinaryPredicate). I\'ve created a vector of pairs; each pair is like \"(first=a vector of 4 doubles, second=an integer)\". The seco[详细]
2023-04-06 17:22 分类：问答PHP Random String Generator without Repeats
I\'m trying to write a PHP function which will generate \"supposedly\" random strings which need to be un开发者_如何学JAVAique regardless of the number of times it is run. Well, it can run more than o[详细]
2023-04-06 14:16 分类：问答Oracle/SQL - Returning semi-unique records
what I\'m trying to do is go through a table a开发者_高级运维nd return semi-unique results based on a certain field.So for example with this data[详细]
2023-04-06 07:38 分类：问答Java: Enforcing doubly linked objects
I am designing a game engine in Java. At the core of this engine exist the two classes Asset and Attribute, where an Asset has a list of Attributes. Most Attributes need no link back up to their Attr[详细]
2023-04-06 06:11 分类：问答Suggestions for avoiding duplicate products from scraping
I have written a very basic crawler which scrapes product information from websites to be put into a database.[详细]
2023-04-06 04:30 分类：问答MYSQL/PHP SELECT DISTINCT
I have this function called on another page. function adminnav (){ $pagewcoms = mysql_query(\"SELECT DISTINCT pageid FROM comments\") or die(mysql_error());[详细]
2023-04-05 05:21 分类：问答
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