<html>
<title>
How to find the Operating sysetm(OS) name using JavaScript?
</title>
<script>
function find_browser()
{
var nAgt = window.navigator.userAgent;
if (nAgt.indexOf('Mac') != -1) {
alert('Mac OS');
}else if (nAgt.indexOf('Linux') != -1) {
alert('Linux');
}else if (nAgt.indexOf('X11') != -1) {
alert('Unix');
}else if (nAgt.indexOf('Windows NT 6.2') != -1) {
alert('Windows 8');
}else if (nAgt.indexOf('Safari') != -1) {
alert('Windows 7');
}else if (nAgt.indexOf('Windows NT 6.0') != -1) {
alert('Windows Vista');
}else if (nAgt.indexOf('Windows NT 5.1') != -1) {
alert('Windows XP');
}else if (nAgt.indexOf('Windows NT 5.0') != -1) {
alert('Windows 2000');
}
}
</script>
<body onload="find_browser()">
<h1> Find the Operating sysetm(OS) name using JavaScript? </h1>
</body>
</html>
Error: PG::DuplicateTable: ERROR: relation "taggings" already exists Solution : Already the table present in your database.But migration also trying to create a table in database.For this reason error occurred. So try to remove the table (taggings) from your database. postgresql : > DROP TABLE IF EXISTS taggings; Rails console : > ActiveRecord::Migration.drop_table(:taggings)
Comments
Post a Comment