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Derek Kim
Derek Kim

34 Followers

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Nov 13

Drag & Drop Images to Custom View (i.e. UIImageView)

Hello, this is Derek! Today I’d like to share with you guys on how to implement Drag & Drop Image to the Custom View. Before I even begin, I wondered, why do we even need to drag-and-drop an image in the first place in iOS device? It’s not like we…

IOS

5 min read

Drag & Drop Images to Custom View (i.e. UIImageView)
Drag & Drop Images to Custom View (i.e. UIImageView)
IOS

5 min read


Oct 17

Sharing Images With UIActivityViewController & UIActivityItemSource

Hello, this is Derek! Today I wanted to write about implementing a button to share an images with others. By the end of this blog, you will now understand how to implement sharing functionality using UIActivityViewController and UIActivityItemSource. See image example below for a visual example: Suppose you have…

IOS

8 min read

Sharing Images With UIActivityViewController & UIActivityItemSource
Sharing Images With UIActivityViewController & UIActivityItemSource
IOS

8 min read


Sep 27

[LeetCode in Swift] Valid Parentheses

Hello this is Derek! This is another blog from the series called LeetCode in Swift, where I solve LeetCode challenges in Swift, as I am in the middle of job hunting process and I need to prepare for possible upcoming coding interview. This is an easy difficulty problem in LeetCode…

Swift

5 min read

[LeetCode in Swift] Valid Parentheses
[LeetCode in Swift] Valid Parentheses
Swift

5 min read


Aug 21

Validate Credit Card Number — Luhn’s Check Algorithm Explained in Swift

Hello everyone, this is Derek. It has been quite a while since I’ve written a blog due to lot of things going on in my life like preparing for job interviews and family emergency, but I am back at it now! Today I will be writing about Luhn’s Check Algorithm…

IOS

5 min read

Validate Credit Card Number — Luhn’s Check Algorithm Explained in Swift
Validate Credit Card Number — Luhn’s Check Algorithm Explained in Swift
IOS

5 min read


Jun 30

[LeetCode in Swift] Container With Most Water

Hello this is Derek! 👋 I’m starting a new blog series called LeetCode in Swift, where I solve LeetCode challenges in Swift, as I am in the middle of job hunting process and I need to prepare for possible upcoming coding interview. This question is an medium difficulty in LeetCode…

Swift

5 min read

[LeetCode in Swift] Container With Most Water
[LeetCode in Swift] Container With Most Water
Swift

5 min read


Jun 23

[LeetCode in Swift] Best Time to Buy and Sell Stock

Hello this is Derek! 👋 I’m starting a new blog series called LeetCode in Swift, where I solve LeetCode challenges in Swift, as I am in the middle of job hunting process and I need to prepare for possible upcoming coding interview. This question is an easy difficulty in LeetCode…

Swift

4 min read

[LeetCode in Swift] Best Time to Buy and Sell Stock
[LeetCode in Swift] Best Time to Buy and Sell Stock
Swift

4 min read


Jun 16

[LeetCode in Swift] Best Time to Buy and Sell Stock II

Hello this is Derek! 👋 I’m starting a new blog series called LeetCode in Swift, where I solve LeetCode challenges in Swift, as I am in the middle of job hunting process and I need to prepare for possible upcoming coding interview. This question is a Medium difficulty in LeetCode…

Swift

4 min read

[LeetCode in Swift] Best Time to Buy and Sell Stock II
[LeetCode in Swift] Best Time to Buy and Sell Stock II
Swift

4 min read


Jun 9

[LeetCode in Swift] Two Sum

Hello this is Derek! 👋 I’m starting a new blog series called LeetCode in Swift, where I solve LeetCode challenges in Swift, as I am in the middle of job hunting process and I need to prepare for possible upcoming coding interview. This question is a Easy difficulty in LeetCode…

Swift

5 min read

[LeetCode in Swift] Two Sum
[LeetCode in Swift] Two Sum
Swift

5 min read


Jun 2

[LeetCode in Swift] Buddy Strings

Hello this is Noobie! 👋 I’m starting a new blog series called LeetCode in Swift, where I solve LeetCode challenges in Swift, as I am in the middle of job hunting process and I need to prepare for possible upcoming coding interview. This question is a Easy difficulty in LeetCode…

Swift

6 min read

[LeetCode in Swift] Buddy Strings
[LeetCode in Swift] Buddy Strings
Swift

6 min read


May 26

[LeetCode in Swift] Check if One String Swap Can Make Strings Equal

Hello this is Noobie! 👋 I’m starting a new blog series called LeetCode in Swift, where I solve LeetCode challenges in Swift, as I am in the middle of job hunting process and I need to prepare for possible upcoming coding interview. This question is a Easy difficulty in LeetCode…

Leetcode

6 min read

[LeetCode in Swift] Check if One String Swap Can Make Strings Equal
[LeetCode in Swift] Check if One String Swap Can Make Strings Equal
Leetcode

6 min read

Derek Kim

Derek Kim

34 Followers

iOS | Flutter Developer @ https://linkedin.com/in/derekhskim | https://github.com/derekhskim | https://derek.kim

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