I have an Keyword and a KeywordType as entities. There are lots of keywords of few types. When trying to p开发者_StackOverflowersist the second keyword of a type, the unique constraint is violated and
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I am building a site where users can upload content. As always I aim for world dominance, so I would like to avoid storing the same file twice.
i have a column ID and something like 1000 items, some of then were removed like id=90, id=127, id=326
I need to generate 10,000 unique identifiers in Java. The ide开发者_如何学JAVAntifiers should be a mixture of numbers and letters and less than 10 characters each. Any ideas? Built in libraries would
Can anybody tell me how to implement a program to check a string contains all uniqu开发者_如何转开发e chars ?If you are talking about an ASCII string:
I have multiple lists. I need to find a way to g开发者_如何学Cenerate list of unique items in each list as compared with all the lists.Is there any simple or straight forward way to do this.I know tha
I\'ve got a data set that contains multiple me开发者_如何学JAVAasurements for each day. I\'ve already put the data in a VBA array. Now, I would like to create an array with the unique days.
I\'m going to make simple quiz form on site. Are there ways to make it fair, that nobody vote up multiple times.
is there anyway to create a unique ID for a browser within javascript? Im not talking about an ID that is random everytime it is generated but an ID that is unique to the browser it is generated in b
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