The problem I have is that CreateInstance returns null. Here is the code: if(spattmono[0] != null) { if((SpecialAttack) System.Activator.CreateInstance(
<%= msg.average_rating %> used to return either NaN or a number: NaN if the msg had recieved no ratings or the average of all the ratings the message had recieved. But now it returns nil can\'
I want the f开发者_开发问答ollowing database table: [Id] [BookType] [Hardcover] But only when booktype is 1, hardcover may not be null. So whenever booktype is 2 or 3 I should be able to give a nu
I\'m not asking if it does.I know that it doesn\'t. I\'m curious as to the reason.I\'ve read support docs such as as this one on Working With Nulls in MySQL but they don\'t really give any reason.The
First the environment: Rails 2.1.0, Ruby 1.8.7, Mysql 5.1.54, Ubuntu 11.04 I have a boolean field in my table which starts as NULL, but I can not find a good way to set it to NULL. (This field is ba
I\'ve got a problem with SQL update statements when I pass null values (or better let\'s say DbNull values) to a DbParameter object.
Right, I\'m still new to PHP/MySQL and what I\'ve got, even in my head, sounds like it should be simple, b开发者_如何学Gout I just can\'t work out how to write it, here\'s what I want to happen:
I need to find a way to set ListView addapter to null.The reason I want to do that is that I have 4 child activities in Tab and each one of these activities are lazy loading lists.In OnDestroy method
I have to use a simple function from a DLL; I am able to load the library but GetProcAddress returns NULL. I think I understood name mangling but maybe I\'m doing something wrong. Thanks (Code follows
I have a problem regarding to a SUM function in sql that gives NULLs, thus brakes all the structure of the table: (x-month,y-cities,value-Nettotal) but i get wrongly arranged values according to a y-c
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