I\'m new to JSF, so this question might be strange. I have an inputText component\'s value bound to managed bean\'s property of type Float. I need to set property to null when inputText field is empty
I have created a polymorphic association around a model called status. Some contacts will have a status associate开发者_开发问答d with it.Many won\'t.
I\'m seeing something weird in my actionscript code I have two classes foo and bar, bar extends foo.In a model class I have a foo member variable, I assign an bar object to the foo variable.But after
SET ANSI_NULLS OFF seems to give different results in TSQL depending on whether you\'re comparing a field from a table or a value. Can anyone help me understand why the last 2 of my queries give no re
There are three column in the datatable A,B and C. Now each column is type of decimal. Now I am doing like dt.Columns[\"A\"].Expression=\"B+C\"; to make addition of Column B\'s record and column C\'s
I\'m working with Android 2.1 and have the following problem: Using the method View.getDrawingCache() always returns null. getDrawingCache() should return a Bitmap, which is the presentation of View\'
Comparable contract specifies that e.compareTo(null) must throw NullPointerException. From the API: Note that null is not an instance of any class, and e.compareTo(null) should throw a NullPointerE
Note: This is homework/assignment feel not to answer if you don\'t want to. Ok after some search and reading these:
In my current project it would be convenient to exclude empty strings from the domain, so that is an empty string is met wherever, it is treated as N开发者_开发百科ULL, for example if I UPDATE [table]
This seems like a lot of work; to check for null each time an object is used. I have been advised that it is a good id开发者_开发知识库ea to check for null pointers so you don\'t have to spend time
加载中,请稍侯......