Sunday, August 22, 2010

"Strict standards : Non-static methods called statically" Error after Joomla Installation

Author: xiaoyu | Posted at: 12:12 PM | Filed Under:
Recently I'm merely setting up a test site on localhost to check out Joomla features. After the installation, there are tons of Strict standards errors appear on my screen when I browse to Joomla homepage. I tried to reinstall several times but it still gave me the same errors.


Finally, I found something useful on Joomla! Discussion Forums.

To solve this issue, simply change the following configuration in your php.ini file.
  1. Change error_reporting = E_ALL | E_STRICT to error_reporting = E_ALL & ~E_STRICT
  2. Change display_errors = On to display_errors = Off

Remember to restart your Apache server after the changes. You should be able to view to Joomla! homepage now.
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Friday, July 30, 2010

Resize Textbox/Textarea based on content length

Author: xiaoyu | Posted at: 9:45 AM | Filed Under: ,
I was asked to implement resizing textbox based on content length in one of my projects, to avoid having to deal with scroll bars.

And here is the code that works for me:
<html>
<head>
<script>
function textAreaResize(o) {
  o.style.height = "1px";
  o.style.height = (25+o.scrollHeight)+"px";
}
</script>
</head>
<body>
<textarea id="textArea1" onkeyup="textAreaResize(this)" style="overflow:hidden"></textarea>
<asp:textbox id="txt1" runat="server" Width="500px" Height="25px" TextMode="MultiLine" onkeyup="textAreaResize(this);"></asp:textbox>
</body>
</html>

Anyway, I found out that this method is works for me only when I type my text in the box.

It is not working when I having no focus on the textbox and call the textAreaResize method to resize it. Position the cursor at the end of the text will resolve the issue.

Try the following code to your page.
<html>
<head>
<script>
function textAreaResize(o) {
  SetCursorToTextEnd(o.id);
  o.style.height = "1px";
  o.style.height = (25+o.scrollHeight)+"px";
}

function SetCursorToTextEnd(textControlID)
{
  var text = document.getElementById(textControlID);
  if (text != null && text.value.length > 0) {
    if (text.createTextRange) {
       var FieldRange = text.createTextRange();
       FieldRange.moveStart('character', text.value.length);
       FieldRange.collapse();
       FieldRange.select();
    }
  }
}
</script>
</head>
</html>

Call the textAreaResize method on your page load will do.

Hope it works for you too. =)
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Wednesday, June 2, 2010

Update Query with a JOIN Statement

Author: xiaoyu | Posted at: 10:54 AM | Filed Under:
I found something useful when I am trying to update columns in a master table (tbl1) from data in a temp table (tbl2). These updates can be done by making a query to update a table by doing INNER JOIN.

Below is the example of a joined update query:

UPDATE tbl1
SET field_name = B.field_name
FROM tbl1 A
INNER JOIN tbl2 B
ON A.ID = B.ID


Hope this helps.
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