‘ Returns a TimeSpan for the interval of time the system has been up.’ EXAMPLE:’ Dim ts As TimeSpan = GetSystemUpTime()’ Console.WriteLine(String.Format(“The system’s up time is: {0} days, {1} ‘

‘ Returns the input string decoded from base64Private Function DecodeBase64(ByVal input As String) As String Dim strBytes() As Byte = System.Convert.FromBase64String(input) Return System.Text.Encoding.UTF8.GetString(strBytes)End Function

‘ Returns a hashtable with the key-value pairs extracted from the querystring ‘ of the specified url’ EXAMPLE:’ Dim ht As Hashtable = GetUrlParameters’ (“http://www.mysite.com?param1=123&param2=&param3=234”)’ ‘ print the key=value pairs

‘ Returns the input string encoded to base64Private Function EncodeBase64(ByVal input As String) As String Dim strBytes() As Byte = System.Text.Encoding.UTF8.GetBytes(input) Return System.Convert.ToBase64String(strBytes)End Function

‘ Downloads the file at the specified URI, and saves it where specifiedSub DownloadFile(ByVal uri As String, ByVal destFile As String, _ Optional ByVal username As String = Nothing, Optional

Usually, you set attributes in a session and the attributes are available through out the session. If you want to limit the scope of an attribute to just a request,

When you need to change the parameters or name of a class or method you developed use the javadoc @deprecated tag and leave the old code. This allows other to

The standard Java library contains a host of valuable methods. Many of these are hidden away, such as Beans.isInstanceOf.This method belongs to the java.beans.Beans class. However, it’s an object version

Say you need to change the behavior of your Java application depending on some parameters read from a properties or ini file (like batchMode, debugMode, etc.). You want to turn

If your application includes .properties files or images and you want to load them without hard-coding their location, store the files in the class path. Classes are stored in archive

When writing multithreaded applications in the Windows Environment, you have two options for creating new threads: the C-runtime function _beginthread (and _beginthreadex) or the WIN32 API CreateThread(). If the thread

Need a quick and dirty way to exponentiate integers? Or perhaps you are working on a number library of your own. This will work in all cases. templateTYPE power(TYPE x,

Using the ISNUMERIC() and ISDATE() functions, you can check the required column’s data type validity. If the column passes the data type validity check, it will return a 1. If

When compiling a program, the compiler adds some optimizations that may cause your application to misbehave. For example consider the following code: // To avoid threads waiting on the critical

The const_cast operator takes the form: const_cast (expr) It is used to add or remove the “const-ness” or “volatile-ness” from a type. Consider a function, f, which takes a non-const

I have found the need to do multiple tests on dissimilar variables and objects with any failing test causing an action. Multiple embedded If…Then…ElseIf…EndIf statements are awful to look at

When an array is declared as a type where each element occupies a lot of memory (such as a complex user-defined type), sorting the array can become unacceptably slow. To

Believe it or not, you can override VB

VB6 introduced a new built-in function, CallByName(), as a member of VBA.Interaction. It lets you reference an object

Although the GetLocaleInfo API can retrieve just about any regional setting you need, VB

Simple is usually best. VB4 introduced direct assignment to Byte arrays, and VB5 later expanded that capability to include other array types as well. This code does the same thing

Locking an NT workstation has never been easy. Windows 2000 has a new function, LockWorkStation, that can lock the machine instantly with a single API call: Private Declare Function LockWorkStation

If you want to use an object in the middle of a routine and avoid declaring the object in the routine, simply use this syntax: With New .End With This

Enum NetworkAvailability As Integer Other = 1 Unknown = 2 RunningFullPower = 3 Warning = 4 InTest = 5 NotApplicable = 6 PowerOff = 7 OffLine = 8 OffDuty =