To know if the current user has programming rights:
{{velocity}}
$hasProgramming
{{/velocity}}
$hasProgramming
{{/velocity}}
To know if a specific user has programming rights, you can use:
{{velocity}}
$xwiki.hasAccessLevel('programming', 'XWiki.MyUser', 'XWiki.XWikiPreferences')
{{/velocity}}
$xwiki.hasAccessLevel('programming', 'XWiki.MyUser', 'XWiki.XWikiPreferences')
{{/velocity}}