django - Dictionary update sequence element #1 has length 4; 2 is required -


i using django 1.8.4, when tried run website on browser gave me error "valueerror @ /artists/create dictionary update sequence element #1 has length 4; 2 required

request method:   request url: http://127.0.0.1:8000/artists/create   django version: 1.8.4   exception type: valueerror   exception value: dictionary update sequence element #1 has length 4; 2 required  python version: 2.7.10   python path: ['c:\\users\\juliks\\documents\\visual studio 2015\\projects\\musicstore\\musicstore',  'c:\\windows\\system32\\python27.zip',  'c:\\users\\juliks\\documents\\visual studio 2015\\projects\\musicstore\\musicstore\\env\\dlls',  'c:\\users\\juliks\\documents\\visual studio 2015\\projects\\musicstore\\musicstore\\env\\lib',  'c:\\users\\juliks\\documents\\visual studio 2015\\projects\\musicstore\\musicstore\\env\\lib\\plat-win',  'c:\\users\\juliks\\documents\\visual studio 2015\\projects\\musicstore\\musicstore\\env\\lib\\lib-tk',  'c:\\users\\juliks\\documents\\visual studio 2015\\projects\\musicstore\\musicstore\\env\\scripts',  'c:\\python27\\lib',  'c:\\python27\\dlls',  'c:\\python27\\lib\\lib-tk',  'c:\\users\\juliks\\documents\\visual studio 2015\\projects\\musicstore\\musicstore\\env',  'c:\\users\\juliks\\documents\\visual studio 2015\\projects\\musicstore\\musicstore\\env\\lib\\site-packages']

how solve error? thank you.

yes using visual studio. here code views.py --> """ definition of views. """

from django.shortcuts import render, render_to_response django.http import httprequest, httpresponse, httpresponseredirect django.template import requestcontext datetime import datetime app.models import *;   def artistcreate(request): if request.method == "get":     form = artistform();     return render(request, 'app/create.html', { 'form', form }); elif request.method == "post":     form = artistform(request.post);     form.save();     return httpresponseredirect('/artists');  def artists(request):     #return httpresponse('<html><head><title>hello django!     </title></head><body><h1>hello, django</h1></body></html>'); artists = artist.objects.all(); return render_to_response('app/artists.html', { 'artists': artists });  def artistdetails(request, id): artist = artist.objects.get(pk = id); return render_to_response('app/artistdetails.html', {'artist', artist});  def home(request): """renders home page.""" assert isinstance(request, httprequest) return render(     request,     'app/index.html',     context_instance = requestcontext(request,     {         'title':'home page',         'year':datetime.now().year,     }) )  def contact(request): """renders contact page.""" assert isinstance(request, httprequest) return render(     request,     'app/contact.html',     context_instance = requestcontext(request,     {         'title':'contact',         'message':'your contact page.',         'year':datetime.now().year,     }) )  def about(request): """renders page.""" assert isinstance(request, httprequest) return render(     request,     'app/about.html',     context_instance = requestcontext(request,     {         'title':'about',         'message':'your application description page.',         'year':datetime.now().year,     }) )

Comments

Post a Comment

Popular posts from this blog

html - Outlook 2010 Anchor (url/address/link) -

i'm trying link specific pdf page msoutlook'10 or msword'10, #page=... anchor particularly useful , works fine elsewhere. unfortunately when click [ctr-k] in outlook or winword, links re-formatted assuming unc path. pdf file located on shared drive. using "file:" prefix links open pdf in adobe reader (outside of browser), , "http:" open inside browser. issue seem need open in browser "file:" prefix in order anchor work. know anchors work inside browser. outlook uses windows/explorer default program (based on file extension) seems open in adobe reader neglecting anchor. is aware of solution, link specific page or bookmark of shared-pdf ms outlook and/or winword link? common references: mailermailer.com/...anchor-tags-html-emails campaignmonitor.com/...anchor-links-in-email-newsletters/ stackoverflow.com/...anchor-in-pdf-document
Read more

javascript - Why does running this loop 9 times take 100x longer than running it 8 times? -

consider code: test = function() { } t = new test(); (var = 0; < 8; i++) { result = t instanceof test; } if change number of iterations 8 9 , loop take 100 times longer complete in latest version of firefox (41.0.1). tested on 2 different pcs , magic limit 8. here jsperf test used: http://jsperf.com/instanceof-8-times-vs-9-times does have idea why might happen? seems specific instanceof . not happen if else object, example check property. note: filed bugzilla bug this. jan de mooij mozilla team has posted details in bugzilla thread . here's simplistic interpretation of highly technical answers: in i < 8 case, firefox smart enough hoist result = t instanceof test; statement out of loop (according tests, doesn't seem omit altogether). in i < 9 case, apparently doesn't optimization . why? reason not clear, related fact 9 iterations threshold above function considered "hot" enough run through jit compiler. i < 8 cas...
Read more

Getting gateway time-out Rails app with Nginx + Puma running on Digital Ocean -

following this guide setup app on digital ocean droplet, not working. site not loading , it's throwing: "gateway time-out". the puma server works, since ps aux | grep puma prints: root 15878 0.0 0.4 376832 2168 ? sl 12:50 0:00 puma 2.13.4 (unix:///var/www/myapp/shared/tmp/sockets/myapp-puma.sock) [20150930164940] root 15881 0.0 0.7 903676 3692 ? sl 12:50 0:06 puma: cluster worker 0: 15878 [20150930164940] root 24654 0.0 0.1 11748 916 pts/2 s+ 18:00 0:00 grep --color=auto puma my nginx config: user root; worker_processes 1; events { worker_connections 1024; } http { upstream puma { server unix:///var/www/myapp/shared/tmp/sockets/myapp-puma.sock; } server { listen 80; server_name myapp.com; root /var/www/myapp/current/public; access_log /var/www/myapp/current/log/access.log; error_log /...
Read more