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    <title>레나참나</title>
    <link>https://lena-chamna.netlify.app/</link>
    <description>Recent content on 레나참나</description>
    <generator>Hugo -- gohugo.io</generator>
    <language>en</language>
    <copyright>Copyright © 2020 Lena</copyright>
    <lastBuildDate>Sun, 11 Apr 2021 16:41:28 +0900</lastBuildDate>
    
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    <item>
      <title>Improving App Responsiveness - 앱 반응성 높이기</title>
      <link>https://lena-chamna.netlify.app/post/improving_app_responsiveness/</link>
      <pubDate>Sun, 11 Apr 2021 16:41:28 +0900</pubDate>
      
      <guid>https://lena-chamna.netlify.app/post/improving_app_responsiveness/</guid>
      <description>&lt;p&gt;Improving App Responsiveness- Apple Developer Documentation 을 소개합니다 📲 &lt;br&gt;&lt;/p&gt;

&lt;p&gt;&lt;br&gt;&lt;/p&gt;</description>
    </item>
    
    <item>
      <title>Swift로 알고리즘 풀 때 유용한 메서드 모음</title>
      <link>https://lena-chamna.netlify.app/post/useful_methods_for_algorithm/</link>
      <pubDate>Thu, 18 Mar 2021 21:06:41 +0900</pubDate>
      
      <guid>https://lena-chamna.netlify.app/post/useful_methods_for_algorithm/</guid>
      <description>&lt;p&gt;Swift로 알고리즘 풀 때 자주 사용하는 메서드를 정리합니다. &lt;br&gt;&lt;/p&gt;

&lt;p&gt;&lt;br&gt;&lt;/p&gt;</description>
    </item>
    
    <item>
      <title>View 계층 탐색 알고리즘과 Hit-Testing in iOS </title>
      <link>https://lena-chamna.netlify.app/post/hit_testing_in_ios/</link>
      <pubDate>Fri, 15 Jan 2021 21:41:58 +0900</pubDate>
      
      <guid>https://lena-chamna.netlify.app/post/hit_testing_in_ios/</guid>
      <description>&lt;p&gt;&lt;br&gt;
 1. Hit-testing 에 대해 설명합니다.&lt;br /&gt;
  2. Hit-testing 가 어떻게 이벤트를 처리할 UIView 객체를 찾는지 그 과정과 로직에 대해 설명합니다.
   3. View 계층 탐색 알고리즘에 대해서 소개합니다.(reverse pre-order depth-first traversal algorithm)&lt;/p&gt;

&lt;p&gt;&lt;br&gt;&lt;/p&gt;</description>
    </item>
    
    <item>
      <title>Hit test 사용하기</title>
      <link>https://lena-chamna.netlify.app/post/practical_use_of_hit_test/</link>
      <pubDate>Thu, 14 Jan 2021 00:51:55 +0900</pubDate>
      
      <guid>https://lena-chamna.netlify.app/post/practical_use_of_hit_test/</guid>
      <description>&lt;p&gt;Hit test 의 활용 예시를 소개합니다 &lt;br&gt;&lt;/p&gt;

&lt;p&gt;&lt;br&gt;&lt;/p&gt;</description>
    </item>
    
    <item>
      <title> multipart/form-data 이용해서 사진/이미지 배열 업로드하기 </title>
      <link>https://lena-chamna.netlify.app/post/uploading_array_of_images_using_multipart_form-data_in_swift/</link>
      <pubDate>Wed, 13 Jan 2021 14:41:02 +0900</pubDate>
      
      <guid>https://lena-chamna.netlify.app/post/uploading_array_of_images_using_multipart_form-data_in_swift/</guid>
      <description>&lt;p&gt;[Networking in iOS] URLSession을 이용하여 이미지 배열과 텍스트 정보를 서버에 업로드 하는 방법에 대해 설명합니다. &lt;br&gt;&lt;/p&gt;

&lt;p&gt;&lt;br&gt;&lt;/p&gt;</description>
    </item>
    
    <item>
      <title>HTTP multipart/form-data 이해하기</title>
      <link>https://lena-chamna.netlify.app/post/http_multipart_form-data/</link>
      <pubDate>Wed, 13 Jan 2021 13:58:08 +0900</pubDate>
      
      <guid>https://lena-chamna.netlify.app/post/http_multipart_form-data/</guid>
      <description>&lt;p&gt;[Networking in iOS] HTTP multipart/form-data에 대해 설명합니다.  &lt;br&gt;&lt;/p&gt;

&lt;p&gt;&lt;br&gt;&lt;/p&gt;</description>
    </item>
    
    <item>
      <title>Swift - Generic</title>
      <link>https://lena-chamna.netlify.app/post/introduce_swift_generic/</link>
      <pubDate>Sat, 19 Dec 2020 17:10:10 +0900</pubDate>
      
      <guid>https://lena-chamna.netlify.app/post/introduce_swift_generic/</guid>
      <description>&lt;p&gt;Generic의 작동 방식, Generic 타입으로 해결 가능한 문제, 타입 제약(Type Constraints), Any vs Generic, 연관 타입(Accociated Type)에 대해 소개합니다 :)  &lt;br&gt;&lt;/p&gt;

&lt;p&gt;&lt;br&gt;&lt;/p&gt;</description>
    </item>
    
    <item>
      <title>동시성 프로그래밍(Concurrency programming): dispatchQueue 사용시 주의할 점들</title>
      <link>https://lena-chamna.netlify.app/post/concurrency_programming_caution_when_using_dispatchqueue/</link>
      <pubDate>Sat, 28 Nov 2020 14:47:51 +0900</pubDate>
      
      <guid>https://lena-chamna.netlify.app/post/concurrency_programming_caution_when_using_dispatchqueue/</guid>
      <description>&lt;p&gt;[동시성 프로그래밍 시리즈] dispatchQueue 사용시 주의할 점들에 대해 소개합니다.&lt;br&gt;&lt;/p&gt;

&lt;p&gt;&lt;br&gt;&lt;/p&gt;</description>
    </item>
    
    <item>
      <title>동시성 프로그래밍(Concurrency programming): 스레드와 큐(Thread and Queue)</title>
      <link>https://lena-chamna.netlify.app/post/concurrency_programming_thread_and_queue/</link>
      <pubDate>Thu, 26 Nov 2020 22:05:34 +0900</pubDate>
      
      <guid>https://lena-chamna.netlify.app/post/concurrency_programming_thread_and_queue/</guid>
      <description>&lt;p&gt;[동시성 프로그래밍 시리즈] &lt;strong&gt;Sync&lt;/strong&gt; vs &lt;strong&gt;Async&lt;/strong&gt; / &lt;strong&gt;Serial&lt;/strong&gt; vs &lt;strong&gt;Concurrent&lt;/strong&gt;에 대해 자세히 알아봅니다 🙌🏻&lt;br&gt;&lt;/p&gt;

&lt;p&gt;&lt;br&gt;&lt;/p&gt;</description>
    </item>
    
    <item>
      <title>의존성 주입 (Dependency Injection)</title>
      <link>https://lena-chamna.netlify.app/post/dependency_injection/</link>
      <pubDate>Mon, 23 Nov 2020 00:51:17 +0900</pubDate>
      
      <guid>https://lena-chamna.netlify.app/post/dependency_injection/</guid>
      <description>&lt;p&gt;의존성 주입에 대해 설명하고 3가지 의존성 주입 방법과 활용 예시를 소개합니다.&lt;br&gt;&lt;/p&gt;

&lt;p&gt;&lt;br&gt;&lt;/p&gt;</description>
    </item>
    
    <item>
      <title>About Me</title>
      <link>https://lena-chamna.netlify.app/about/</link>
      <pubDate>Mon, 16 Nov 2020 00:00:00 +0000</pubDate>
      
      <guid>https://lena-chamna.netlify.app/about/</guid>
      <description>안녕하세요 iOS 개발자 레나라고 합니다!!
곧 저에 대한 소개를 업로드 할 예정입니다!</description>
    </item>
    
    <item>
      <title>Swift의 Automatic Reference Counting(ARC) vs Java의 Garbage Collection(GC)</title>
      <link>https://lena-chamna.netlify.app/post/automatic_reference_counting_vs_garbage_collection/</link>
      <pubDate>Sun, 15 Nov 2020 23:24:49 +0900</pubDate>
      
      <guid>https://lena-chamna.netlify.app/post/automatic_reference_counting_vs_garbage_collection/</guid>
      <description>&lt;p&gt;1️⃣Java의 Garbage Collection(GC)와 2️⃣Swift의 Automatic Reference Counting(ARC) 3️⃣MRR(Manual Retain-Release) or MRC(Manual Reference Counting)에 대해 소개합니다 :)&lt;/p&gt;

&lt;p&gt;&lt;br&gt;&lt;/p&gt;</description>
    </item>
    
    <item>
      <title>간단한 예제로 살펴보는 iOS Design/Architecture Pattern: Coordinator - Advanced</title>
      <link>https://lena-chamna.netlify.app/post/ios_design_pattern_coordinator_advanced/</link>
      <pubDate>Thu, 05 Nov 2020 14:34:32 +0900</pubDate>
      
      <guid>https://lena-chamna.netlify.app/post/ios_design_pattern_coordinator_advanced/</guid>
      <description>&lt;p&gt;간단한 예제와 함께 Coordinator에 대해 알아봅시다 🙌🏻&lt;br&gt;&lt;/p&gt;

&lt;p&gt;&lt;br&gt;&lt;/p&gt;</description>
    </item>
    
    <item>
      <title>간단한 예제로 살펴보는 iOS Design/Architecture Pattern: Coordinator - Basic</title>
      <link>https://lena-chamna.netlify.app/post/ios_design_pattern_coordinator_basic/</link>
      <pubDate>Tue, 03 Nov 2020 14:34:32 +0900</pubDate>
      
      <guid>https://lena-chamna.netlify.app/post/ios_design_pattern_coordinator_basic/</guid>
      <description>&lt;p&gt;간단한 예제와 함께 Coordinator에 대해 알아봅시다 🙌🏻&lt;br&gt;&lt;/p&gt;

&lt;p&gt;&lt;br&gt;&lt;/p&gt;</description>
    </item>
    
    <item>
      <title>간단한 예제로 살펴보는 iOS Design/Architecture Pattern: MVVM</title>
      <link>https://lena-chamna.netlify.app/post/ios_design_pattern_mvvm/</link>
      <pubDate>Wed, 21 Oct 2020 23:26:10 +0900</pubDate>
      
      <guid>https://lena-chamna.netlify.app/post/ios_design_pattern_mvvm/</guid>
      <description>&lt;p&gt;MVVM을 구현한 간단한 예제를 살펴보며 MVVM에 대해 알아봅시다 🙌🏻&lt;br&gt;&lt;br&gt;&lt;/p&gt;</description>
    </item>
    
    <item>
      <title>hugo &#43; netlify로 블로그 만들기</title>
      <link>https://lena-chamna.netlify.app/post/how_to_make_hugo_blog_with_netlify/</link>
      <pubDate>Mon, 14 Sep 2020 02:07:08 +0900</pubDate>
      
      <guid>https://lena-chamna.netlify.app/post/how_to_make_hugo_blog_with_netlify/</guid>
      <description>&lt;p&gt;Hugo + Netlify로 블로그 만드는 방법을 소개합니다.&lt;/p&gt;</description>
    </item>
    
    <item>
      <title>[iOS] AppDelegate와 SceneDelegate</title>
      <link>https://lena-chamna.netlify.app/post/appdelegate_and_scenedelegate/</link>
      <pubDate>Fri, 06 Mar 2020 23:26:10 +0900</pubDate>
      
      <guid>https://lena-chamna.netlify.app/post/appdelegate_and_scenedelegate/</guid>
      <description>&lt;p&gt;AppDelegate와 SceneDelegate에 대해서 알아봅시다 😁 &lt;br&gt;&lt;br&gt;&lt;/p&gt;</description>
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