JTable How to refresh table model after insert delete or update the data.

If you want to notify your JTable about changes of your data, use tableModel.fireTableDataChanged() From the documentation: Notifies all listeners that all cell values in the table’s rows may have changed. The number of rows may also have changed and the JTable should redraw the table from scratch. The structure of the table (as in … Read more

Refresh Part of Page (div)

Use Ajax for this. Build a function that will fetch the current page via ajax, but not the whole page, just the div in question from the server. The data will then (again via jQuery) be put inside the same div in question and replace old content with new one. Relevant function: http://api.jquery.com/load/ e.g. $(‘#thisdiv’).load(document.URL … Read more

Prevent any form of page refresh using jQuery/Javascript

#1 can be implemented via window.onbeforeunload. For example: <script type=”text/javascript”> window.onbeforeunload = function() { return “Dude, are you sure you want to leave? Think of the kittens!”; } </script> The user will be prompted with the message, and given an option to stay on the page or continue on their way. This is becoming more … Read more

Output to the same line overwriting previous output?

Here’s code for Python 3.x: print(os.path.getsize(file_name)/1024+’KB / ‘+size+’ KB downloaded!’, end=’\r’) The end= keyword is what does the work here — by default, print() ends in a newline (\n) character, but this can be replaced with a different string. In this case, ending the line with a carriage return instead returns the cursor to the … Read more

Button that refreshes the page on click

Use onClick with window.location.reload(), i.e. : <button onClick=”window.location.reload();”>Refresh Page</button> Or history.go(0), i.e.: <button onClick=”history.go(0);”>Refresh Page</button> Or window.location.href=window.location.href for ‘full‘ reload, i.e.: <button onClick=”window.location.href=window.location.href”>Refresh Page</button> The Button element – developer.mozilla.org

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