Mercurial > urweb
comparison demo/prose @ 649:96ebc6bdb5a0
Batch example
| author | Adam Chlipala <adamc@hcoop.net> |
|---|---|
| date | Tue, 10 Mar 2009 15:17:23 -0400 |
| parents | 3c6d535d3d8b |
| children | fcf0bd3d1667 |
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| 648:3c6d535d3d8b | 649:96ebc6bdb5a0 |
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| 207 <p>The main program provides operations to append to a list and to edit the data stored at any cell of the list. Append is implemented by maintaining a source <tt>head</tt>, which points to the first list element; and a source <tt>tailP</tt>, which points to a <tt>source rlist</tt> where we should place the next appended node.</p> | 207 <p>The main program provides operations to append to a list and to edit the data stored at any cell of the list. Append is implemented by maintaining a source <tt>head</tt>, which points to the first list element; and a source <tt>tailP</tt>, which points to a <tt>source rlist</tt> where we should place the next appended node.</p> |
| 208 | 208 |
| 209 increment.urp | 209 increment.urp |
| 210 | 210 |
| 211 <p>Here's an example where client-side code needs to run more code on the server. We maintain a (server-side) SQL sequence. When the user clicks a button, an AJAX request increments the remote sequence and gets the new value.</p> | 211 <p>Here's an example where client-side code needs to run more code on the server. We maintain a (server-side) SQL sequence. When the user clicks a button, an AJAX request increments the remote sequence and gets the new value.</p> |
| 212 | |
| 213 batch.urp | |
| 214 | |
| 215 <p>This example shows more of what is possible with mixed client/server code. The application is an editor for a simple database table, where additions of new rows can be batched in the client, before a button is clicked to trigger a mass addition.</p> |