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How to add Action Bar from support library into PreferenceActivity?
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EDIT: In appcompat-v7 22.1.0 Google added the AppCompatDelegate abstract class as a delegate you can use to extend AppCompat's support to any activity.
Use it like this:
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import android.support.v7.app.ActionBar;
import android.su...
How can I change image tintColor in iOS and WatchKit
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iOS
For an iOS app, in Swift 3, 4 or 5:
theImageView.image = theImageView.image?.withRenderingMode(.alwaysTemplate)
theImageView.tintColor = UIColor.red
For Swift 2:
theImageView.image = theImageView.image?.imageWithRenderingMode(UIIma...
conversion from string to json object android
I am working on an Android application. In my app I have to convert a string to Json Object, then parse the values. I checked for a solution in stackoverflow and found similar issue here link
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How to preview git-pull without doing fetch?
...it"
This command will list the files that will be updated:
diff --git a/app/controller/xxxx.php b/app/controller/xxxx.php
diff --git a/app/view/yyyy.php b/app/view/yyyy.php
For example app/controller/xxxx.php and app/view/yyyy.php will be updated.
Comparing two commits using git diff prints al...
Rebuild or regenerate 'ic_launcher.png' from images in Android Studio
...ens a list where you must click on Image Asset
AS opens a dialog where the app\src\main\res Directory Structure is automatically selected (the right choice)
Clicking on the OK button, AS opens the Asset Studio dialog where you can find all the tools and options we had on the past Eclipse ADT
This ...
Where to define custom error types in Ruby and/or Rails?
...e for defining custom error types in a Ruby library (gem) or Ruby on Rails application? Specifically:
5 Answers
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Retrieve list of tasks in a queue in Celery
...look here:
Celery Guide - Inspecting Workers
Basically this:
from celery.app.control import Inspect
# Inspect all nodes.
i = Inspect()
# Show the items that have an ETA or are scheduled for later processing
i.scheduled()
# Show tasks that are currently active.
i.active()
# Show tasks that have...
Gunicorn worker timeout error
...in seconds
NUM_WORKERS=3
TIMEOUT=120
exec gunicorn ${DJANGO_WSGI_MODULE}:application \
--name $NAME \
--workers $NUM_WORKERS \
--timeout $TIMEOUT \
--log-level=debug \
--bind=127.0.0.1:9000 \
--pid=$PIDFILE
share
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Running a specific test case in Django when your app has a tests directory
...he test test_a inside TestCase subclass A inside a file tests.py under the app/module example you would do:
python manage.py test example.tests.A.test_a
If you don't want to include a dependency and are in Django 1.6 or later that's how you do it.
See the Django documentation for more informatio...
How to think in data stores instead of databases?
As an example, Google App Engine uses Google Datastore, not a standard database, to store data. Does anybody have any tips for using Google Datastore instead of databases? It seems I've trained my mind to think 100% in object relationships that map directly to table structures, and now it's hard t...