he sheer number of objects in a database makes keeping track of them difficult. Keeping track of objects dedicated to a particular table, such as constraints and column names, can be discerned by using sp_help @tablename or the information_schema views. The identification of other objects and their dependencies shared between
If you are using Oracle, you might have faced the following error sometime during the development/testing cycle. ORA-01000: Maximum open cursors exceeded How do you check for open cursors in the Oracle database? And how can you find out what part of your application is using/wasting these cursors?Run the following
Assume you have an MFC application. The solution is to override the virtual function: virtual BOOL CWinApp::ProcessMessageFilter(int code, LPMSG lpMsg); The following code demonstrates: BOOL CMyProgramApp::ProcessMessageFilter(int code, LPMSG lpMsg){ if(WM_SYSKEYDOWN == lpMsg->message) { if(VK_F4 == lpMsg->wParam) { //Eliminate Alt+F4 if(::GetKeyState(VK_MENU) < 0) { //Do nothing return TRUE; //We are processing,
Auto-generated radio buttons cause a special case where one radio button may be created. Reading back a single radio button is different to reading from a group of radio buttons.Take a radio button(s) called quoteList?where the value is an integer: if (isNaN(frmData.quoteList.length)){ // branch required because radio button handling is
The JEditorPane provides a mechanism through which you can add support for custom text formats. A standard editor pane can understand plain text, HTML, and RTF. import javax.swing.*;import javax.swing.event.*;import java.awt.*;import java.net.*;class JEditorPanes extends JFrame implements HyperlinkListener{ URL url; JEditorPane editPane; JEditorPanes(String path)throws Exception { Container c=getContentPane(); editPane=new JEditorPane();// Creating an
The Foundation library is intended to provide VB developers with convenience and simplicity of working with data available for their C++ colleagues from standard STL library. The author tried to keep as close to STL spirit as possible unless VB OOP limitations forced him to invent something specific to VB