how to Html code pulish to blog or site

html code publish to blog or site use these two methods below html code or using pulish to html code
1 method use this below code

<textarea cols="19" name="<u> here</u>" onfocus="this.select();" style="height: 100px; width: 332px;"> html code here</textarea>

2 next step html code covert into parse code
<code>
</code>

or

<table ;="" border="1"><tbody> <tr> <td><code>html code here </code></td> </tr> </tbody></table>