po frame

touch ~/.lldbinit
echo display @import UIKit >> ~/.lldbinit
echo target stop-hook add -o \"target stop-hook disable\" >> ~/.lldbinit

django on heroku

https://devcenter.heroku.com/articles/getting-started-with-django
http://www.django-rest-framework.org/tutorial/quickstart/
http://marcantoinelemieux.com/blog/posts/2013/01/13/how-to-build-a-basic-timeserver-using-django-and-heroku
https://github.com/tomchristie/rest-framework-tutorial/blob/master/requirements.txt

• mkdir <project name>
• cd <project name>
• virtualenv venv
• source venv/bin/activate
  // this will activate virtual environment. verify prompt prefixed with (venv)
• pip install django-toolbelt djangorestframework 
  // you will probably get compile warnings. safe to ignore
• django-admin.py startproject <project name> . <-- don't forget the dot
• cd <project name>
• django-admin.py startapp <app name>
• cd ..
• echo 'web: gunicorn <project name>.wsgi --log-file -' > Procfile
• foreman start // verify at http://localhost:5000
• pip freeze > requirements.txt

settings.py

// add after DATABASES = {}
import dj_database_url
DATABASES['default'] = dj_database_url.config()
SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')

ALLOWED_HOSTS = ['*'] // modified

// add after BASE_DIR
STATIC_ROOT = 'staticfiles'
STATICFILES_DIR = (
os.path.join(BASE_DIR, 'static'),
) 

// add to INSTALLED_APPS
'rest_framework'

REST_FRAMEWORK = {
'DEFAULT_PERMISSION_CLASSES': ('rest_framework.permissions.IsAdminUser',),
'PAGE_SIZE': 10
}

wsgi.py

// add after from django.core.wsgi
from dj_static import Cling

application = Cling(get_wsgi_application()) // modified

• touch .gitignore
• open .gitignore

.gitignore

venv
*.pyc
staticfiles
.idea // pycharm ide

• git init
• git add .
• git commit -m "Initial commit"
• heroku create
• git push heroku master
• heroku run python manage.py migrate
• heroku run python manage.py createsuperuser 
  // prompts for username, email, pw
• heroku open

Upgrade git

http://coolestguidesontheplanet.com/install-update-latest-version-git-mac-osx-10-9-mavericks/

cd ~
open .bash_profile (or touch .bash_profile first)
export PATH="/usr/local/git/bin:$PATH"
<restart terminal>
echo $PATH
git --version

Xcode6 simulators

xcrun simctl list

xcrun simctl erase <device-id>

xcrun simctl delete <device-id>

xcrun simctl list devices | grep -v '^[-=]' | cut -d "(" -f2 | cut -d ")" -f1 | xargs -I {} xcrun simctl delete "{}"

BDD

Given [initial context], when [event occurs], then [ensure some outcomes]

Given [that the user is logged in], when [the user clicks on x], then [we should see Y]

http://en.wikipedia.org/wiki/Behavior-driven_development

Using kiwi

describe = given >> "given..."
context = when >> "when..."
it = then >> "then ... should..."

https://github.com/kiwi-bdd/Kiwi

Localization

http://www.raywenderlich.com/64401/internationalization-tutorial-for-ios-2014
http://www.ibabbleon.com/iphone_app_localization.html
http://www.objc.io/issue-9/string-localization.html

http://stackoverflow.com/questions/2744401/how-to-use-genstrings-across-multiple-directories

find ./ -name "*.m" -print0 | xargs -0 genstrings -o en.lproj

Build Autoincrement

http://stackoverflow.com/questions/6851660/version-vs-build-in-xcode-4

http://stackoverflow.com/questions/3015796/how-to-programmatically-display-version-number-of-target-in-ios-app

add run script
shell /bin/bash

buildNumber=$(/usr/libexec/PlistBuddy -c "Print CFBundleVersion" "$INFOPLIST_FILE")
buildNumber=$(($buildNumber + 1))
/usr/libexec/PlistBuddy -c "Set :CFBundleVersion $buildNumber" "$INFOPLIST_FILE"

String format modifiers

https://developer.apple.com/library/ios/documentation/Cocoa/Conceptual/Strings/Articles/formatSpecifiers.html

ZBar

http://www.federicocappelli.net/2012/10/05/zbar-library-for-iphone-5-armv7s/

http://stackoverflow.com/questions/18638319/zbar-memory-leak-on-ios

Tutorials

http://www.raywenderlich.com/tutorials

http://www.appcoda.com/tutorials/

File Sharing

https://developer.apple.com/library/ios/documentation/Miscellaneous/Conceptual/iPhoneOSTechOverview/CoreServicesLayer/CoreServicesLayer.html#//apple_ref/doc/uid/TP40007898-CH10-SW30

Add the UIFileSharingEnabled key to your app’s Info.plist file, and set the value of the key to YES.

Cocoapods

1. Create XCode project
2. using terminal, navigate to project folder
   1. $ touch Podfile
   2. $ open Podfile
   3. enter dependencies, for example: 
      platform :iOS, '7.0'
      pod 'Parse'
   4. $ pod install
3. close current XCode project
4. open .xcworkspace

CoreData

UIImage

For PriceCatcher.app

CoreData setting: attribute type is undefined, transient property is checked.

NSArray

CoreData setting: attribute type is transformable

GitHub

http://www.raywenderlich.com/13771/how-to-use-git-source-control-with-xcode-in-ios-6

1. create new xcode project
2. check source control: create git repo
3. *install github app*
4. add local repo using github app
5. press button for push to github in upper right corner