quevon24

// From - http://stackoverflow.com/a/32724422/906577
...

final CollapsingToolbarLayout collapsingToolbar =
                    (CollapsingToolbarLayout) mRootView.findViewById(R.id.collapsing_toolbar);
  AppBarLayout appBarLayout = (AppBarLayout) mRootView.findViewById(R.id.appbar);
  appBarLayout.addOnOffsetChangedListener(new AppBarLayout.OnOffsetChangedListener() {
      boolean isShow = false;
      int scrollRange = -1;

quevon24

/* 
  ##Device = Desktops
  ##Screen = 1281px to higher resolution desktops
*/

@media (min-width: 1281px) {
  
  //CSS
  

quevon24

get uri from filechooser picker content://com.android.providers.downloads.documents/document/2303

con getRealPath(context,uri) se obtiene la ruta absoluta

file:///storage/emulated/0/Download/google-play-badge.png

quevon24

require 'axlsx'

Axlsx::Package.new do |package|
  workbook = package.workbook
	workbook.add_worksheet do |sheet|
		wrap = workbook.styles.add_style alignment: {wrap_text: true}
		sheet.add_row ["Foo\r\nBar", "Foo\rBar", "Foo\nBar", "Foo\n\r\nBar"], style: wrap
	end

	package.serialize "linebreak.xlsx"

quevon24

Bootstrap 4 tabs (or pills) rendered underline.

• SASS:

_pills_underline_varibles.scss - edit styles using variables

$nav-pills-underline-link-active-color: $link-color !default;
$nav-pills-underline-link-hover-color: $link-hover-color !default;

$nav-pills-underline-bg:    transparent !default;

quevon24

#!/bin/bash

NAME="hello_app"                                  # Name of the application
DJANGODIR=/webapps/hello_django/hello             # Django project directory
SOCKFILE=/webapps/hello_django/run/gunicorn.sock  # we will communicte using this unix socket
USER=hello                                        # the user to run as
GROUP=webapps                                     # the group to run as
NUM_WORKERS=3                                     # how many worker processes should Gunicorn spawn
DJANGO_SETTINGS_MODULE=hello.settings             # which settings file should Django use
DJANGO_WSGI_MODULE=hello.wsgi                     # WSGI module name

quevon24

from django.core.exceptions import PermissionDenied


class GroupRequiredMixin(object):
    """
        group_required - list of strings, required param
    """

    group_required = None

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#views.py

def events_index(request, year):
  selected_year = Year.objects.get(title=year)
  events_list = Event.objects.filter(year = selected_year.id).order_by('category','start_date')
  return render_to_response('events_list.html', {"events_list": events_list})

#events_list.html  

{% regroup events_list by category.title as events_list_by_category %}

quevon24

<canvas id="myChart" width="400" height="100"></canvas>

<script src="/js/Chart.min.js"></script>
<script>
$(function () {
    var ctx = document.getElementById("myChart").getContext("2d");
    // examine example_data.json for expected response data
    var json_url = "example_data.json";

    // draw empty chart

quevon24

class HiddenDeleteBaseInlineFormSet(BaseInlineFormSet):
    """
    Makes the delete field a hidden input rather than the default checkbox
    
    inlineformset_factory(Book, Page, formset=HiddenDeleteBaseInlineFormSet, can_delete=True)
    """
    def add_fields(self, form, index):
        super(HiddenDeleteBaseInlineFormSet, self).add_fields(form, index)
        if self.can_delete:
            form.fields[DELETION_FIELD_NAME] = forms.BooleanField(