Imagine you have a textarea in your app where you want your users to be able to type in large quantities of text, click a button to store this in the database and then later retrieve this large quantity of text and redisplay it in that textarea.
You can’t do this as you would with other page items (i.e. just submit the page and have the values stored in session state). Any value over (more...)
A simple example would be.
Apex Application Process
HTP.p(‘You passed “‘||APEX_APPLICATION.g_x01 ||’” as the value for x01. ‘);
HTP.p(‘You passed “‘||APEX_APPLICATION.g_x02 ||’” as the value for x02. ‘);
HTP.p(‘You passed “‘||APEX_APPLICATION.g_x03 ||’” as the value for x03. ‘);
I’ve had a problem with Adobe Fireworks CS5 ever since upgrading to a Retina Display MacBook. The problem is that the eye-dropper colour picker tool just doesn’t work any more. At all. Very frustrating.
I came across a very simple workaround today which can be found here:
Hide/Show regions are very useful in that they allow users to hide certain on-screen content when it’s not relevant for them (and show it again just as easily) simply by clicking the small arrow icon in the top left of the region.
But how can you programmatically do the (more...)
It’s from John Resig, (more...)
Catastrophe! You’ve just accidentally dropped a table which contained really rather important data. What to do?
One thing you can do to recover the situation quickly (if you’re running 10g or later, that is) is to run the following command:
FLASHBACK TABLE MY_SCHEMA.MY_SUPER_IMPORTANT_TABLE TO BEFORE DROP;
If the table (more...)
Take the following simple SQL statement:
WHERE 'x' NOT IN
(SELECT 'a' FROM dual);
Since ‘x’ cannot be found in our subquery, you’d expect this to return a row from Dual right? Indeed it does:
SQL> SELECT *
2 FROM dual
3 WHERE 'x' NOT IN
However, such calls will cause errors when run inside IE as it does not by default (more...)
I’ve just noticed that there’s a new version of jQuery UI: 1.9. It includes nifty new widgets including Menu, Spinner and Tooltip. And who doesn’t love new widgets?
You can read about it and see demoes of the new functionality here: http://blog.jqueryui.com/2012/10/jquery-ui-1-9-0/
The following bit of jQuery will allow you to do this. Just change the string “Personal Bio” to be whatever the string (more...)