MandarGogate

class AuthorForm(ModelForm):
    class Meta:
        model = Author
        fields = ('name', 'title', 'birth_date')
        labels = {
            'name': _('Writer'),
        }
        help_texts = {
            'name': _('Some useful help text.'),
        }

MandarGogate

<script src="/static/parsleyjs/dist/parsley.min.js"></script>
{% load bootstrap3 %}
<form class="form-horizontal form-label-left" data-parsley-validate>
{%bootstrap_form form layout='horizontal'%}
    <div class="form-group">
      <div class="col-md-6 col-md-offset-3">
        <button type="reset" class="btn btn-primary">Reset</button>
        <button id="send" type="submit" class="btn btn-success">Submit</button>
      </div>
    </div>

MandarGogate

class Form1( ModelForm ):
    class Meta:
        model = AModel
        fields = ( 'fieldA', )
class Form2( ModelForm ):
    class Meta:
        model = AModel
        fields = ( 'fieldB', )

MandarGogate

class MyModel(models.Model):
    onefield = models.CharField('The field', max_length=100)
class MyModelAdmin(admin.ModelAdmin):
  def has_add_permission(self, request):
    # if there's already an entry, do not allow adding
    count = MyModel.objects.all().count()
    if count == 0:
      return True
    return False

MandarGogate

DROP DATABASE <database name>;
CREATE DATABASE <database name>;
\l

MandarGogate

from djqscsv import render_to_csv_response
def csv_view(request):
    #queryset
    qs = Foo.objects.filter(bar=True).values('id', 'bar')
    return render_to_csv_response(qs)

MandarGogate

git remote set-url --add origin url1
git remote set-url --add origin url2
git remote set-url --add origin url3
git remote set-url --add origin url4

git push

MandarGogate

ffmpeg -i 111.mp3 -acodec pcm_s16le -ac 1 -ar 16000 out.wav

MandarGogate

ffmpeg -i filename
#Input #0, matroska,webm, from 'somerandom.mkv':
#  Duration: 01:16:10.90, start: 0.000000, bitrate: N/A
#    Stream #0.0: Video: h264 (High), yuv420p, 720x344 [PAR 1:1 DAR 90:43], 25 fps, 25 tbr, 1k tbn, 50 tbc (default)
#    Stream #0.1: Audio: aac, 48000 Hz, stereo, s16 (default)

MandarGogate

ffmpeg -i input.mp4 output.mp3
ffmpeg -i input.wav -codec:a libmp3lame -qscale:a 2 output.mp3