The validator considers the following table as valid:                 Example                                                                                                                                                My                            Table                                                                                                                

To enhance the performance of Canvas with particles bouncing around, try the following:Separate the calculations from the drawing.Request a redraw after you have updated your calculations.Optimize collision detection by not testing evert particle against each other.Reduce callback usage.Reduce function calls.Inline.

Web Workers allow for long-running scripts that are not interrupted by scripts that respond to clicks or other user interactions and allows long tasks to be executed without yielding to keep the page responsive.Web Workers don't stop by themselves but the page that started them can stop them by calling ... Read More

The simplest solution is to use jQuery to detect all active JavaScript event handlers.ExampleYou can try to run the following code to detect active event handlersLive Demo                          var myEvent = $("#demo");          myEvent.mouseover(function() {});          $.each(myEvent.data("events"), function(i, e) {             alert(i);          });                     Demo Text    

The SAP tables can be directly accessed by the .net application but it is not recommended to do so. Generally, the SAP database is accessed by the program or reports and there are security checks running behind that and directly accessing SAP tables can cause security threats.ERP Connect is the ... Read More

You can try using projection node as followsExampletable1 = CE_PROJECTION(:T1, ["ACCT_ID", "SALARY"]); table2 = CE_PROJECTION(:T2, ["EMPL_ID" AS “ACCT_ID”, "ADD", "ZIP", "STATE"]); var_out = CE_JOIN(:table1, :table2, [“ACCT_ID”])Using Projection node, you can rename the column names. Note that EMPL_ID has been renamed to ACCT_IDRead More

It’s a good choice to use CASE statement. Do not use UNION. Let us first create a table −mysql> create table DemoTable    (    Id int NOT NULL AUTO_INCREMENT PRIMARY KEY,    ShippingDate datetime    ); Query OK, 0 rows affected (0.63 sec)Insert some records in the table using ... Read More

Here, use GridLayout with some buttons in a Panel −JPanel btnPanel = new JPanel(new GridLayout(5, 2, 5, 5)) -Now, set the buttons −btnPanel.add(new JButton("First Button")); btnPanel.add(new JButton("Second Button")); btnPanel.add(new JButton("Third Button")); btnPanel.add(new JButton("Fourth Button")); btnPanel.add(new JButton("Fifth Button")); btnPanel.add(new JButton("Sixth Button")); btnPanel.add(new JButton("Seventh Button")); btnPanel.add(new JButton("Eighth Button")); btnPanel.add(new JButton("Ninth Button")); btnPanel.add(new ... Read More

This is a C++ program to perform integer partition for a specific case. In this program, a positive integer n is given, and shall have to generate all possible unique ways to represent n as sum of positive integers.AlgorithmBegin    function displayAllUniqueParts(int m):    1) Set Index of last element ... Read More

You can use regular expression for this. Let us first create a table −mysql> create table DemoTable    (    UserId varchar(100)    ); Query OK, 0 rows affected (1.28 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('User-123-G'); Query OK, 1 row affected (0.14 ... Read More