I have a piece of code that detects if a NSString is NULL, nil, etc. However, it crashes. Here is my code:
I have the following SQL: Select dmvndn \"Vendor Number\", IFNULL(sum(dmsls) / sum(dmprc), 0) \"Calculation\"
i have a address field and null is set to no. but when i insert record to table with empty address field , record added to table. and address column is empty.
I\'m populating an ArrayList \'pts\' of Points. To me this seems pretty straightforward but after this runs there are null elements in the arraylist.
I am trying to make a part of my app where if the person doesn\'t change the blank text in my UITextField, then he/she can\'t go on to the next step. Basically, I want to test the UITextField for nil
I tried the following code in both facebook\'s phpsh and the standard crappy php -a abomination for a开发者_开发技巧 repl:
I have two cases when I would need to set DateTime field in Sql to null. I use C# and LINQ to SQL Classes. I read many questions on stackoverflow which are like my question but still I feed mine a bit
I am getting a segmentation fault while trying to check if some elements are NULL or not. Can anyone help?
Could someone please explain the following behavior in SQL? SELECT开发者_C百科 * FROM MyTable WHERE MyColumn != NULL (0 Results)
Is there an easier way to do this? string s = i[\"property\"] != null ? \"none\" : i[\"property\"].ToString();
加载中,请稍侯......