Why sql bellow don\'t work? select a.field1, a.field2, a.field3, (select count(*) from table2 b where b.field1 = a.field1
How do you retrieve the identifier from the user object? Normally, I would expect the identifier to be something like this:
I need to generate account names automatically. They will be used in user software that will access my 开发者_如何学Pythonservice, so they are not necessarily pretty looking. I guess any alphanumeric
I\'d like my application to work on several databases. While I\'m not going to explicitly support them right now, I\'d like to be able to define my schemata such that I\'m not using reserved identifie
I\'m writing a tool to parse Ada source file with the grammar provided in2005 Annex P. With following piece of code, I know [\"03C0\"] stands for \"greek letter Pi\", but is it a legal variable name
I\'m getting an error in a query. This query is OK and returning data (the selects and rownums are for pagination):
My app uses a device\'s phone number to get meaningful information about the user\'s contacts. It runs on Android and iOS.
What may happen if I change my app bundle identifier ? For example, if I go from com.myapps.appname to com.myapps.utilities.appname, or com.myapps.appname.appnameFULL
I have a t开发者_Python百科able view where the cells have a variable height. This causes problems with having a reuse identifier but I would really like the cache for UITableViewCells that Apple gave
i want identifiers that can contain whitespace. grammar WhitespaceInSymbols; premise :( options {greedy=false;} : \'IF\' )id=ID{