As we know that in MySQL, VARCHAR values are stored as a 1-byte or 2-byte length prefix plus data. This length prefix points out the number of bytes in the value of data. The data value itself will decide that when VARCHAR data type will use 1-byte and when 2-byte ... Read More

The onClick event is the most frequently used event type, which occurs when a user clicks the left button of the mouse.ExampleYou can put your validation, warning etc., against this event type.Live Demo                                         Click the following button and see result                          

JavaScript is a dynamic computer programming language. It is lightweight and most commonly used as a part of the web pages, whose implementation allows a client-side script to interact with a user and to make dynamic pages. It is an interpreted programming language with object-oriented capabilities.Advantages of JavaScript:The advantages of ... Read More

Wa_fieldcat is a structure used as a container for the information that has to be added to t_fieldcat.Following Parameters are passed:                                *  pv_field   TYPE any for Field               ... Read More

Many users use RFC_READ_Table as API for generic table access.Joins are not supported in RFC_READ_TABLE - Not correct as you can any time join your application. If you face any issues, you can ask user ABAP developer to create a Function Module.Select * query does not work for most cases ... Read More

I must say, you got a pretty odd scenario of permission retraction but it is feasible.Create a stored procedure with entire onus of activating/deactivating the user or you can say authorize and de-authorize user.Create a batch user with privilege to execute the above-created procedures, Then you can set up a ... Read More

You can use BOOLC to sort out your requirement. It should be like thisVarbool= BOOLC( NOT Logical operation)But be clear in your implementation, as ABAP does not have true bool type. It does not store true or false in bool type rather it stores ‘X’ or ‘’ for true and ... Read More

To set named cookie in JavaScript, run the following code. It sets a customer name in an input cookie.ExampleLive Demo                                                  Enter name:                    

To disable JavaScript in Internet Explorer (IE), follow the below-given steps:Click the gear icon on the right-hand side:Now, a dialog box will open. Go to Security tab and click Custom level.After reaching the Security Settings, go to Scripting, then Active Scripting.Click Disable to disable JavaScript and press Ok.Now, JavaScript will ... Read More

To find whether the browser supports JavaScript or nor, use the tag. The HTML tag is used to handle the browsers, which do recognize tag but do not support scripting. This tag is used to display an alternate text message.Here’s an example,         ... Read More