Failing to release virtual machine resources results in a ‘memory leak.’ The following example is missing the ReleaseIntArrayElements call: jint * tempArray = env->GetIntArrayElements(jiArray, false);if (tempArray ){ return;}if (…) //
To add line numbers in your VS.NET code window: Go to VS.NET?>Tools?>Options?>Text Editor. Choose the language of your choice and select the Line Number checkbox under Display. This will add
You can define parameters for the SqlDataSource control. If a parameter value is an empty string, the driver automatically converts that into a NULL value, which can lead to unexpected
Oftentimes, cursors are used to concatenate multiple columns into one string. For instance, you may want something like this to show as ‘A,B,C’ on your report (Table table_A): Id Char_Value1
If you need to access a database with Java, you need a driver. This is a list of the drivers available, what database they can access, who makes it, and
This algorithm helps you to retrieve all the elements contained in the first set (set1), but not in the second (set2). Here’s the template: templatevoid Diff(const T& set1, const T&
If you set the TextMode property of a TextBox Web control to “Password,” any default value you assign to the TextBox won’t show up. To work around this problem, add
Suppose a CVS -n update throws the following error: cvs update: inflate: unknown compression methodcvs [update aborted]: reading from server: Input/output error When you use the -n option, there’s a
Between two tables of similar size, a merge join is the best possible join an optimizer can choose. If you have clustered indexes on the join columns, the optimizer will