Private Type RECT Left As Long Top As Long Right As Long Bottom As LongEnd TypePrivate Const SPI_GETWORKAREA = 48Private Declare Function SystemParametersInfo Lib “user32” Alias _ “SystemParametersInfoA” (ByVal uAction

Private Type RECT Left As Long Top As Long Right As Long Bottom As LongEnd TypePrivate Declare Function GetWindowRect Lib “user32” (ByVal hWnd As Long, _ lpRect As RECT) As

Private Const SPI_SETSCREENSAVEACTIVE = 17Private Const SPI_GETSCREENSAVEACTIVE = 16Private Const SPIF_SENDWININICHANGE = &H2Private Const SPIF_UPDATEINIFILE = &H1Private Declare Function SystemParametersInfo Lib “user32” Alias _ “SystemParametersInfoA” (ByVal uAction As Long, ByVal

Private Type RECT Left As Long Top As Long Right As Long Bottom As LongEnd TypePrivate Declare Function GetClientRect Lib “user32” (ByVal hWnd As Long, _ lpRect As RECT) As

Private Const SPI_SETSCREENSAVETIMEOUT = 15Private Const SPI_GETSCREENSAVETIMEOUT = 14Private Const SPIF_SENDWININICHANGE = &H2Private Const SPIF_UPDATEINIFILE = &H1Private Declare Function SystemParametersInfo Lib “user32” Alias _ “SystemParametersInfoA” (ByVal uAction As Long, ByVal

Sometimes, sprintf() is unavoidable. For example, when compatibility with C is paramount, Sprintf() has a safer version called snprintf(), which doesn’t write past its buffer’s limits. However, because snprintf() was

ASSERT is a very helpful macro for debugging, because it helps root out false assumptions. However, many programmers make the mistake of putting actual assignments inside the macro. Consider the

If you want to convert from a const to a nonconst or from a volatile to a nonvolatile, you can use const_cast. This is the only conversion allowed with const_cast.

In pre-standard C, I/O operations were based on the Unix APIs. Instead of FILE pointers and functions such as fopen(), fread(), and fclose() that are defined in the header, Unix

The Standard Library doesn’t have a function for rounding floating point variables. However, you can easily round numbers as follows: double d=42.666;int rounded=d+0.5; // rounded = 43d=rounded; // d is

Tool tips are handy for providing explanations for buttons and other fixed components in a panel. Sometimes, it

In Web based programming, we usually check querystring parameters in middle tier java objects and do tedious, if not long, checks via if/else, to perform appropriate action or instantiate classes.

The secret lies in the Runtime class. Runtime contains the methodexec, which takes the basic form of: Process exec(String command) orProcess exec(String[] comdarray) orProcess exec(String[] cmdarray, String[] envp, File dir)

A typical HTML page might contain text fields to send data to the server. The data is submitted by clicking the submit button on the Web page. The browser then

The following function returns the extension of the filename that is being passed to it. It also takes into account the facts that a filename can include multiple

It’s faster to retrieve the length of a string and compare the value to zero than it is to compare it to an empty string. This is especially useful in

There are various problems regarding pointers that can be handled with the help of macros. Some of these problems are: deleting dangling pointers, deleting pointers other than NULL, and checking

Sometimes, you may need to make a Frame or JFrame non resizable. This happens especially when you are using the setBounds method or if you have less components in your

How many times do we add

Most web sites heavily rely on client-side cookies. For example, ASP Sessions can work correctly only if the browser allows temporary cookies (that are not stored on disk). ASP doesn’t

‘ Add or remove a program to the list of applications that will’ be automatically launched when Windows boots.” Action can be:’ 0 = delete from list’ 1 = execute

‘ get the description of a file from the registry’ or a null string if the file’s extension isn’t registered” NOTE: requires the GetRegistrtValue functionFunction GetFileDescriptionFromReg(ByVal FileName As String) As

Private Declare Sub SHChangeNotify Lib “shell32.dll” (ByVal wEventId As Long, _ ByVal uFlags As Long, ByVal dwItem1 As Long, ByVal dwItem2 As Long)Const SHCNE_ASSOCCHANGED = &H8000000Const SHCNF_IDLIST = 0′ Destroy

Const HKEY_LOCAL_MACHINE = &H80000002′ modify the value of a setting for the VBA editor from the Registry” Possible values for SettingName are:’ AutoQuickTips2 (0/1)’ AutoStatement2 (0/1)’ AutoValueTips2 (0/1)’ BackGroundCompile (0/1)’

Private Declare Sub SHChangeNotify Lib “shell32.dll” (ByVal wEventId As Long, _ ByVal uFlags As Long, ByVal dwItem1 As Long, ByVal dwItem2 As Long)Const SHCNE_ASSOCCHANGED = &H8000000Const SHCNF_IDLIST = 0′ Create

Const HKEY_LOCAL_MACHINE = &H80000002′ read the value of a setting for the VBA editor from the Registry” Possible values for SettingName are:’ AutoQuickTips2 (0/1)’ AutoStatement2 (0/1)’ AutoValueTips2 (0/1)’ BackGroundCompile (0/1)’