constraints
WCF and EF many to many getting duplicates
Using the model above, I am trying to save a new PamNewsMessage and add Tags to it then save it to the DB. However, after trying many different combinations of adding objects and saving, I still hav[详细]
2023-04-05 01:33 分类:问答Why do bean validation Min/Max constraints not support the double type?
Could somebody plea开发者_运维百科se explain to me why the JPA supports the double type as a field type, but the bean validation constaints in javax.validation.constraints (i.e. @Min/@Max) do not supp[详细]
2023-04-04 18:00 分类:问答Mysql and FK's Problem
i\'m having trouble with some tables here. i have this table: CREATE TABLE `smenuitem` ( `nome` VARCHAR(150) NULL DEFAULT NULL COLLATE \'utf8_unicode_ci\',[详细]
2023-04-03 17:17 分类:问答Active patterns and member constraint
For an inline function one could create a constraint like: let inline implicit arg = ( ^a : (static member op_Implicit : ^b -> ^a) arg)[详细]
2023-04-02 20:05 分类:问答Grails - Command object, customized conditional validator
I would like to build a customized validator in my Command object, to make sure the field email address of a form will not be empty if the notifyMe checkbox is selected.[详细]
2023-04-02 18:38 分类:问答Minimizing a function in matlab
I would like to minimize w\'Hw, with respect to w, where w is a vector, and H is matrix. And with the following constraint, |w1|+|w开发者_StackOverflow中文版2|+|w3| < 3, ie. the l1 norm of the we[详细]
2023-04-02 14:11 分类:问答Real requirements vs business requirements
Let\'s say I have an account creation form, which fills a user database. Let\'s say this database table has 6 columns: UserID, UserLogin, Password, Email, Demographic1, Demographic2.[详细]
2023-04-02 01:52 分类:问答How do I remove a datatable from a dataset (has a bunch of relationships)
I am attempting to remove a datatable that was loaded into a dataset, and has been related. Here is the code I attempted.[详细]
2023-04-01 21:09 分类:问答Oracle 10g Express: DISABLE CONSTRAINT not really disabling constraints?
I\'ve got a hairy system with almost 650 inter-connected tables (with plenty of bi-directional refs) which is created via Hibernate script. I need to delete left-over (corrupt) data based on an ID whi[详细]
2023-04-01 18:18 分类:问答Convert First-Order Logic to CNF
I\'m endeavouring t开发者_Go百科o use MiniSat to solve a constraint satisfaction problem. In first-order logic the problem is easily represented by a few discrete-domain variables and some predicates.[详细]
2023-04-01 08:05 分类:问答