def prefix(self):
        return render('/ng-prefix.html')
Performs a login through the specified visir web url.
dataset/ETHPy150Open SpriteLink/NIPAP/nipap-www/nipapwww/controllers/ng.py/NgController.prefix--crossover with--dataset/ETHPy150Open weblabdeusto/weblabdeusto/server/src/experiments/visir_html5.py/VisirExperiment.perform_visir_web_login