saulshanabrook

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saulshanabrook

Operations to perform:
  Synchronize unmigrated apps: floppyforms, rest_framework_bulk, admin_export, impersonate, rest_framework, localflavor, rosetta, django_filters, naviance_sso, dajax, ldap_groups, customers, grappelli, compressor, djangobower, raven_compat, dajaxice, pagination, ckeditor, scaffold_report, autocomplete_light, djcelery, widget_tweaks, responsive_dashboard, massadmin, constance
  Apply all migrations: administration, benchmark_grade, counseling, discipline, attendance, schedule, custom_field, contenttypes, simple_import, sis, sessions, reversion, work_study, auth, admissions, report_builder, standard_test, engrade_sync, database, admin, alumni, grades, default, benchmarks, volunteer_track
Synchronizing apps without migrations:
  Creating tables...
    Creating table ldap_groups_ldapgroup_groups
    Creating table ldap_groups_ldapgroup
    Creating table celery_taskmeta
    Creating table celery_tasksetmeta
    Creating table djcelery_intervalschedule

saulshanabrook

class: center, middle

Scraping Colgate for fun and for profit

---

Problem

---

saulshanabrook

from visual import *
c = 3e08
v = vector(0.5*c, 0, 0.9*c)
t = 0
dt = 1e-9
gamma_x = 1/sqrt(1 - (v.x/c)**2)
gamma_y = 1/sqrt(1 - (v.y/c)**2)
gamma_z = 1/sqrt(1 - (v.z/c)**2)
#function to increase resolution of shape from ints to floats from http://stackoverflow.com/a/477610
def drange(start, stop, step):

saulshanabrook

def find_non_unique(model, *fields):
     from collections import defaultdict
     d = defaultdict(list)
     for instance in model.objects.all():
          d[tuple(getattr(instance, field) for field in fields)].append(instance)
     return filter(lambda dups: len(dups)>1, d.values())

saulshanabrook

saulshanabrook

saulshanabrook

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saulshanabrook

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saulshanabrook

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