For an application similar to URL shortener services, I want to create non guessable id\'s, which you\'re all familiar with I presume. Here\'s an example of such an id:
This question a开发者_如何转开发lready has answers here: Filter/Remove rows where column value is found more than once in a multidimensional array
Code given below is taken from the stackoverflow.com !!! Can anyone tell me how to get the array elements order by decreaseing or increasing !! plz help me !!! Thanks in advance
I\'m having an issue with grails. I have a domain that looks like: class Book { static belongsTo = Author
I have a project in which I need to generate a unique 5 digit alphanum开发者_如何学运维eric ID for the user. How can I achieve this using codeigniter!?
I have a table with a Description field.I want to ensure that no two rows have the same \"Description,\" but I can\'t make Description into my identity column (my ID column is an int).
I\'d like to ensure that when a user wants to register a username in my system (web application), the user name is unique even if case is not regarded. So if a user named \"SuperMan\" is already regis
Does anyone have HQL query on how to get list of 10 random unique objects from the database? It should be done in database not in application. I\'d like to get something that has better performance t
My intent is in an XSL, to display only once the text node for set of nodes with a common value. For example, I have the following XML:
Ive got a unique key on a few fields in a table. With PHP I get a nice error like it should when I try to insert the same data. What Im trying to archieve is that MySQL gives me back the primary key o
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