Don’t bother with the pistachios that aren’t open - those you’ll have to either throw away or smash to get to the pistachio nut.
To determine where to cut the asparagus, simply bend one of the ends until it snaps off. This is where the tender part starts to become woody and where you want to trim each piece. Typically this is no more than a 2 inch piece.
You want to make sure every ingredient of the salad is dried off after rinsing or cooking. If not, you’ll end up with an watery salad and the dressing won’t stick to anything.