I can\'t seem to find a question on SO about my particular problem, so forgive me if this has been asked before!
Firstly, if it is relevant, I\'m using MySQL, though I assume a solution would work across DB products. My problem is thus:
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
I want my ip and stream_id combination to be unique, so I wrote this model: # Votes class Vote(models.Model):
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
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
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
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
I have written a very basic crawler which scrapes product information from websites to be put into a database.
I have this function called on another page. function adminnav (){ $pagewcoms = mysql_query(\"SELECT DISTINCT pageid FROM comments\") or die(mysql_error());
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