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How to get existing fragments when using FragmentPagerAdapter
...have an id or tag for these created Fragments because FragmentPagerAdapter set them internally. So the problem is how to get a reference to them without that information...
Problem with current solutions: relying on internal code
A lot of the solutions I've seen on this and similar questions rely ...
Where is nodejs log file?
...app-root-path');
const winston = require('winston');
// define the custom settings for each transport (file, console)
const options = {
file: {
level: 'info',
filename: `${appRoot}/logs/app.log`,
handleExceptions: true,
json: true,
maxsize: 5242880, // 5MB
maxFiles: 5,
...
Select DISTINCT individual columns in django?
... a couple of things to remember here. First, this will return a ValuesQuerySet which behaves differently from a QuerySet. When you access say, the first element of q (above) you'll get a dictionary, NOT an instance of ProductOrder.
Second, it would be a good idea to read the warning note in the do...
Using setImageDrawable dynamically to set image in an ImageView
...This will return the id of the drawable you want to access...
then you can set the image in the imageview by doing the following
imageview.setImageResource(id);
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What does glLoadIdentity() do in OpenGL?
...y matrix, in terms of the projection and modelview matrices, essentially resets the matrix back to its default state.
As you hopefully know, glTranslate and glRotate are always relative to the matrix's current state. So for instance, if you call glTranslate, you are translating from the matrix's cu...
How can I get the full/absolute URL (with domain) in Django?
...bject, and defaults to the site object you have configured with SITE_ID in settings.py if request is None. Read more in documentation for using the sites framework
e.g.
from django.contrib.sites.shortcuts import get_current_site
request = None
full_url = ''.join(['http://', get_current_site(reques...
Change bootstrap navbar collapse breakpoint without using LESS
... occurrence of the bootstrap unit. As the collapse class flips the inner assets inside navbar collapse will be automatically hidden, like wise you have to set your css as you desired design.
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Build an iOS app without owning a mac? [closed]
...re you need to pay (example $99 / year) .
So For complete iOS Development Setup you need
Get Mac Mini or Mac Machine
Create Developer Account on Apple its free
After login developer account you can download Xcode IDE's .dmg file
pay $99 for publish apps on iTunes
create your certificates for dev...
How do I view an older version of an SVN file?
...t | vim -. If vim's syntax highlighting doesn't automatically kick in, do :set syntax=java (or whichever language).
– John Kugelman
Nov 27 '12 at 4:10
1
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Type hinting a collection of a specified type
...e been added since PEP 484
from . import Monitor
from typing import List, Set, Tuple, Dict
active_monitors = [] # type: List[Monitor]
# or
active_monitors: List[Monitor] = []
# bonus
active_monitors: Set[Monitor] = set()
monitor_pair: Tuple[Monitor, Monitor] = (Monitor(), Monitor())
monitor_dict...