Sometimes it is very helpful to use a JavaScript feature that supports adding properties to build-in prototype “Objects” at runtime. It is generally known that Netscape 4.x has problems in
Say you have a column in a SQL Server table that allows NULL values. You want this column to be unique when it has a value other than NULL. What’s
hapter 21: Using SQL*Loader to?Load DataIn the scripts provided in Appendix A, a large number of insert commands are executed. In place of those inserts, you could create a file
SQL Server does not allow you to include the Order By clause in a view.To do this, consider using the following workaround: USE pubsGOCREATE VIEW AuthorsByNameASSELECT TOP 100 PERCENT *FROM
QUALCOMM’s Binary Runtime Environment for Wireless (BREW) is a platform that is ideally suited to creating powerful applications on memory/footprint-constrained devices. One of the ways BREW is able to do
The standard delimiters for literal strings in SQL are single quotation marks (‘). By default, SQL Server reserves double quotation marks (“) as delimiters for database objects.The SQL Server ODBC
The standard way to compare a variable String to a constant is to use this syntax: if(myString.equals(“test”)){ doSomething();} However, if myString is null, a NullPointerException will be thrown. Instead, use:
lanning for database security means a number of things. First, you need to take care that the code you send to SQL Server is not vulnerable to SQL injection. Second,
When you invoke a synchronized static method, you obtain the lock associated with the Class object in whose class the method is defined.When you apply synchronized to instance methods and