You can get the amount of free memory in your JVM as follows: Runtime rt = Runtime.getRuntime();long free = rt.freeMemory(); You can also get the total memory using the totalMemory()
The default environment that DOS uses to hold settings and DOS variables is small–only 256 bytes. Some programs can cause DOS to run out of space in this area by
The System.Globalization.CultureInfo object exposes two properties, NumberFormat and DateTimeFormat, which return information about how numbers and dates are formatted according to a given locale. For example, consider this code: ‘
Visual Basic .NET strings expose three trim methods: TrimStart, TrimEnd, and Trim – which trim one or more characters from the beginning, the end, or both the beginning and end
A .NET application can optimize string management by maintaining an internal pool of string values known as intern pool. If the value being assigned to a string variable coincides with
Visual Basic .NET strings support the For Each statement, so you can iterate over each individual character as follows: Dim s As String = “ABCDE”Dim c As CharFor Each c
You can think of a StringBuilder object as a buffer that can contain a string with the ability to grow from zero characters to the buffer’s current capacity. Until you
Currently Javascript’s escape() has some limitations. For instance, if you want to pass a+b not a b, you want to get the literal “+” in the server side. Javascript’s escape
The IDENTITY_INSERT property allows explicit values into the identity column of a table. Only one session at a time is allowed to have the IDENTITY_INSERT property set to ON. If