Benny: Les 1 + Google drive test project + Restructure #2

Periteus · 2017-03-23T12:02:37Z

No description provided.

doozMen · 2017-04-03T09:37:53Z

Students/Benny/GoogleDriveTest/GoogleDriveProject/.gitignore

@@ -0,0 +1,26 @@
+# Xcode


Het lijkt me nogal onnodig om een extra git met eigen git ignore toe te voegen. Dit moet er dus uit vrees ik

doozMen · 2017-04-03T09:42:00Z

Students/Benny/3. Protocols and bridging/Questions.md

+
+## SideNote
+
+1. When having to react to delegates, like for example UITextFieldDidEndEditing(), it seems unlikely that you're not going to retain your viewModel inside the collectionViewCell. Isn't "never" a bit harsh?


As debated this is not the way to go. I know we do it but it brakes design pattern.

Always delegate changes to the ViewController so he can handle the changes:

Deside if screen needs to be updated

Save changes if needed

Update the ViewModel from the detail changes.

doozMen · 2017-04-03T09:43:06Z

Students/Benny/3. Protocols and bridging/Questions.md

+
+1. When having to react to delegates, like for example UITextFieldDidEndEditing(), it seems unlikely that you're not going to retain your viewModel inside the collectionViewCell. Isn't "never" a bit harsh?
+
+2. So when only displaying a certain amount of data ,structs are the way to go, but as soon as we need to display more or edit data , viewModel?


Struct or class do not mather. A ViewModel is used to display the content to the user. This can come from a model that is a class, struct or evan a single string of json.

doozMen · 2017-04-03T09:44:12Z

Students/Benny/3. Protocols and bridging/Questions.md

@@ -6,8 +6,16 @@

 2. Why is using Introspection important when we already imported and conformed the ViewController to the "DropboxLoginable" protocol?


Because some functions can be imptionally implemented in Objective-c

doozMen · 2017-04-03T09:44:32Z

Students/Benny/3. Protocols and bridging/Questions.md


-3. If modules are theoretically the better option over #import for things like UIKit, why do we still use #import <UIKit/UIKit.h>
-?
+3. Can't you just cast the nav.topViewController to the desired class instead?


Yes you can.

doozMen · 2017-04-03T09:45:18Z

Students/Benny/3. Protocols and bridging/Questions.md

+
+4. If performSelector has no target given, will it use the target it is being called from? e.g.
+```Objective-C
+[aClass performSelector: @selector(aSelector)];


In this case aClass is the target. Yes so it is implicit.

doozMen · 2017-04-03T09:46:37Z

Students/Benny/3. Protocols and bridging/Questions.md

+[aClass performSelector: @selector(aSelector)];
+```
+
+5. If modules are theoretically the better option over #import for things like UIKit, why do we still use #import <UIKit/UIKit.h>?


Compiler translates this to @import UIKit; So it is just legacy reason. Btw you can also use @import UIKit.UIKit.h; If you really want to.

doozMen · 2017-04-03T09:49:22Z

Students/Benny/3. Protocols and bridging/Questions.md

 		}];
 ```
+
+3. Explain the difference between NSOperation and GDC please.


This is just a different set of API. GCD (Grand Central Dispatch) (not GDC). Is the lower level. NSOperation is a layer above this. It's main difference is:

Easier to add interdependencies between operations

You can stop an ongoing operation

Object oriented api instead of a procedural api

Used for inter operation communication. Operations can communicate from a different queue to another queue while still in process. This is more advanced usage.

doozMen · 2017-04-03T09:50:01Z

Students/Benny/3. Protocols and bridging/Questions.md

+
+3. Explain the difference between NSOperation and GDC please.
+
+4. NSDictionary 'bindings' argument in NSPredicate filtering?


If you still need answer to this question please ask it again. I don't quite get the question now.

doozMen · 2017-04-03T09:55:04Z

Students/Benny/3. Protocols and bridging/Questions.md

@@ -13,7 +13,7 @@

 1. What's the importance of 'arrayWithCapacity' when mapping an array. Is this required?


The main difference performance. ArrayWithCapcity reserves memmory where the mapped array will go into. If you do not do this code will work but with every added element the processor will have to go look for more memory for the next elements. This is more processor intensive the reserve the memory up front if you know the expected length of the array before you calculated the data.

Periteus added 15 commits March 22, 2017 15:17

Copy teacher project

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Merge branch 'stino' into benny

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Sort files - Add Faro - Add Models

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Sort by name

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Add Faro - Service

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Add Faro - Post - PostService

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Failing viewModel load in app delegate

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App transport security

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Instantiate post from response

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Trying to populate tableView with data from Faro

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Remove load from app delegate

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refactor Post Model

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Reload tableView after loading

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Show data in tableView

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Add Objective-C vs swift md

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Periteus changed the base branch from master to stino March 23, 2017 12:04

Periteus changed the title ~~Les 1 Loading data in tableView with Faro + Start Objective-C vs Swift differences~~ Benny: Les 1 Loading data in tableView with Faro + Start Objective-C vs Swift differences Mar 23, 2017

Periteus added 8 commits March 23, 2017 13:10

Spelling

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add print

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faro operators

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Weakself - Memory leak

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simplify code

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marks

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PostDetailViewModel

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postDetailViewModel continued

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Periteus requested a review from doozMen March 24, 2017 12:45

Periteus added 4 commits March 27, 2017 12:24

Add detailViewModel

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Add general markup

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Testing linking

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no message

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Periteus added 12 commits March 27, 2017 14:20

classes

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Docs on functions

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Removing enumerations until finding more information

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Change structure folders

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change readme

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Try different link in readme file

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Add lesson 2 link

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restructure

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Links to lessons

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add personal notes and questions

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Add imports difference

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Merge branch 'benny-lesson3&4' into benny

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Periteus changed the title ~~Benny: Les 1 Loading data in tableView with Faro + Start Objective-C vs Swift differences~~ Benny: Les 1 + Google drive test project + Restructure Mar 29, 2017

Periteus added 7 commits March 29, 2017 08:55

Add personal notes: Keychain

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add google drive project

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questions update

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Merge branch 'master' into benny

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update questions

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More questions 😨

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Merge branch 'master' into benny

bed072e

doozMen changed the base branch from stino to master April 3, 2017 09:35

doozMen approved these changes Apr 3, 2017

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Benny: Les 1 + Google drive test project + Restructure #2

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		## SideNote

		1. When having to react to delegates, like for example UITextFieldDidEndEditing(), it seems unlikely that you're not going to retain your viewModel inside the collectionViewCell. Isn't "never" a bit harsh?


		1. When having to react to delegates, like for example UITextFieldDidEndEditing(), it seems unlikely that you're not going to retain your viewModel inside the collectionViewCell. Isn't "never" a bit harsh?

		2. So when only displaying a certain amount of data ,structs are the way to go, but as soon as we need to display more or edit data , viewModel?

		@@ -6,8 +6,16 @@

		2. Why is using Introspection important when we already imported and conformed the ViewController to the "DropboxLoginable" protocol?


		3. Explain the difference between NSOperation and GDC please.

		4. NSDictionary 'bindings' argument in NSPredicate filtering?

		@@ -13,7 +13,7 @@

		1. What's the importance of 'arrayWithCapacity' when mapping an array. Is this required?

Benny: Les 1 + Google drive test project + Restructure #2

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Benny: Les 1 + Google drive test project + Restructure #2

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