Anton Novoselov n0an

## ios-questions-interview.md

      
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                n0an
                / ios-questions-interview.md
            
            
              Created
              April 25, 2016 10:53
                — forked from arturlector/ios-questions-interview.md
            
              
                Вопросы на собеседование iOS разработчика.
              
          
    Вопросы на собеседование iOS разработчика (дополненное издание):

General:


Что такое полиморфизм?


Что такое *инкапсуляция? Что такое *нарушение инкапсуляции?


Чем абстрактный класс отличается от интерфейса?


Расскажите о паттерне MVC. Чем отличается пассивная модель от активной?


## xcworkspace_crash.txt
Close the project in XCode
Delete the following files using the Terminal.  Where “myproject” is the name your project.

rm -rf myproject.xcworkspace/xcuserdata

rm -rf myproject.xcodeproj/xcuserdata

rm -rf myproject.xcodeproj/project.xcworkspace

## Cell PrepareForReuse
override func prepareForReuse() {
        super.prepareForReuse()

        profileImageView.image = nil
        usernameTopButton.setTitle("", forState: .Normal)
        dateLabel.text = nil

        profileImageDownloadTask?.cancel()
        profileImageDownloadTask = nil
    }

## windows xp: missing free space
wiztree program
http://download.cnet.com/WizTree/3000-2248_4-75816793.html

## KeyChainWrapper.swift
//SAMPLE CODE FROM APPLE
//https://developer.apple.com/library/content/samplecode/GenericKeychain/Listings/README_md.html

enum Key {
    //...
    //....
    enum Headers {

        static let Authorization = "Authorization"
        static let ContentType = "Content-Type"

## Schtasks Windows
https://technet.microsoft.com/en-us/library/cc772785(WS.10).aspx#BKMK_create

* To list tasks:
schtasks /query | more

* To delete task named 'stackoverflow':
 schtasks.exe /delete /tn stackoverflow

 * To create task named 'stackoverflow', run every 5 hours, first run at 12:27:
schtasks /create /sc hourly /st 12:27 /mo 5 /tn "stackoverflow" /tr 'python C:\stackoverflowEveryday.py'

## GitCheatSheet

### Shortlog
git shortlog
* -n
* -sn

### Amend LAST commit (message or files):
git commit --amend -m "Added some files or just edited comm message"


## Heroku Swift Deployment
First create a new file called Procfile in the root of your project and add the following to it.

web: myFirstKituraProject


$ heroku create --buildpack https://github.com/kylef/heroku-buildpack-swift.git

## linux django
===== INITIALIZE PROJECT ====
-- Create virtual environment on Desktop:
cd ~/Desktop
virtualenv myvirtualenv/foodtasker

*** macOS:
python3 -m venv myvirtualenv/foodtasker

-- Activate virtual environment:
source myvirtualenv/foodtasker/bin/activate

## POSTMAN requests
- CONVERT TOKEN:
http://192.168.131.128:8000/api/social/convert-token/
PARAMS:
grant_type: convert_token
client_id: FROM DJANGO ADMIN APPLICATIONS
client_secret: FROM DJANGO ADMIN APPLICATIONS
backend: facebook
token: FROM FACEBOOK

- REVOKE TOKEN:
	Close the project in XCode
	Delete the following files using the Terminal. Where “myproject” is the name your project.

	rm -rf myproject.xcworkspace/xcuserdata

	rm -rf myproject.xcodeproj/xcuserdata

	rm -rf myproject.xcodeproj/project.xcworkspace
	override func prepareForReuse() {
	super.prepareForReuse()

	profileImageView.image = nil
	usernameTopButton.setTitle("", forState: .Normal)
	dateLabel.text = nil

	profileImageDownloadTask?.cancel()
	profileImageDownloadTask = nil
	}
	wiztree program
	http://download.cnet.com/WizTree/3000-2248_4-75816793.html
	//SAMPLE CODE FROM APPLE
	//https://developer.apple.com/library/content/samplecode/GenericKeychain/Listings/README_md.html

	enum Key {
	//...
	//....
	enum Headers {

	static let Authorization = "Authorization"
	static let ContentType = "Content-Type"
	https://technet.microsoft.com/en-us/library/cc772785(WS.10).aspx#BKMK_create

	* To list tasks:
	schtasks /query \| more

	* To delete task named 'stackoverflow':
	schtasks.exe /delete /tn stackoverflow

	* To create task named 'stackoverflow', run every 5 hours, first run at 12:27:
	schtasks /create /sc hourly /st 12:27 /mo 5 /tn "stackoverflow" /tr 'python C:\stackoverflowEveryday.py'

	### Shortlog
	git shortlog
	* -n
	* -sn

	### Amend LAST commit (message or files):
	git commit --amend -m "Added some files or just edited comm message"
	First create a new file called Procfile in the root of your project and add the following to it.

	web: myFirstKituraProject


	$ heroku create --buildpack https://github.com/kylef/heroku-buildpack-swift.git
	===== INITIALIZE PROJECT ====
	-- Create virtual environment on Desktop:
	cd ~/Desktop
	virtualenv myvirtualenv/foodtasker

	*** macOS:
	python3 -m venv myvirtualenv/foodtasker

	-- Activate virtual environment:
	source myvirtualenv/foodtasker/bin/activate
	- CONVERT TOKEN:
	http://192.168.131.128:8000/api/social/convert-token/
	PARAMS:
	grant_type: convert_token
	client_id: FROM DJANGO ADMIN APPLICATIONS
	client_secret: FROM DJANGO ADMIN APPLICATIONS
	backend: facebook
	token: FROM FACEBOOK

	- REVOKE TOKEN: