5,913 個「 null object tutorial 」的搜尋結果

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檳榔座可能會爆炸（在未來15萬年內）--60個符號。 (Betelgeuse might explode (in the next 150,000 years) - Sixty Symbols)

15:51

檳榔座可能會爆炸（在未來15萬年內）--60個符號。 (Betelgeuse might explode (in the next 150,000 years) - Sixty Symbols)

1

2020年要學的5大編程語言 (Top 5 Programming Languages to Learn in 2020)

18:56

2020年要學的5大編程語言 (Top 5 Programming Languages to Learn in 2020)

3

構建分佈式圖形/阿波羅聯合會--Gerwin Brunner和David Krehling--2019年美國JSConf。 (Building a distributed graph w/ Apollo Federation - Gerwin Brunner & David Krehling - JSConf US 2019)

28:21

構建分佈式圖形/阿波羅聯合會--Gerwin Brunner和David Krehling--2019年美國JSConf。 (Building a distributed graph w/ Apollo Federation - Gerwin Brunner & David Krehling - JSConf US 2019)

2

可訪問性與最新的Web API。我們不能只是相處嗎？由Mauricio Palma | 布達佩斯2019年JSConf。 (Accessibility vs latest Web APIs. Can’t we just get along? by Mauricio Palma | JSConf Budapest 2019)

28:31

可訪問性與最新的Web API。我們不能只是相處嗎？由Mauricio Palma | 布達佩斯2019年JSConf。 (Accessibility vs latest Web APIs. Can’t we just get along? by Mauricio Palma | JSConf Budapest 2019)

2

編碼-自己動手!蛇!- 從零開始編程(快速簡單的C++) (Code-It-Yourself! Snake! - Programming from Scratch (Quick and Simple C++))

19:02

編碼-自己動手!蛇!- 從零開始編程(快速簡單的C++) (Code-It-Yourself! Snake! - Programming from Scratch (Quick and Simple C++))

5

olcPixelGameEngine (olcPixelGameEngine)

20:17

olcPixelGameEngine (olcPixelGameEngine)

2

快樂的情人節 (Happy Valentines Day)

23:04

快樂的情人節 (Happy Valentines Day)

2

羅伯-保爾森（Pinky and the Brain）評論他的聲音印象｜《名利場》。 (Rob Paulsen (Pinky and the Brain) Reviews Impressions of His Voices | Vanity Fair)

19:41

羅伯-保爾森（Pinky and the Brain）評論他的聲音印象｜《名利場》。 (Rob Paulsen (Pinky and the Brain) Reviews Impressions of His Voices | Vanity Fair)

4

中文 B1 中級

TensorFlow Lite (TensorFlow @ O'Reilly AI Conference, San Francisco '18) (TensorFlow Lite (TensorFlow @ O’Reilly AI Conference, San Francisco '18))

17:41

TensorFlow Lite (TensorFlow @ O'Reilly AI Conference, San Francisco '18) (TensorFlow Lite (TensorFlow @ O’Reilly AI Conference, San Francisco '18))

2

K Means聚類。K均值聚類的優缺點： (K Means Clustering: Pros and Cons of K Means Clustering)

24:07

K Means聚類。K均值聚類的優缺點： (K Means Clustering: Pros and Cons of K Means Clustering)

3

LGR 486更新!安裝和享受Windows 3.1 (LGR 486 Update! Installing & Enjoying Windows 3.1)

22:35

LGR 486更新!安裝和享受Windows 3.1 (LGR 486 Update! Installing & Enjoying Windows 3.1)

2

安娜-梅爾澤--植物的算法之美｜JSUnconf 2019年。 (Anna Melzer - The algorithmic beauty of plants | JSUnconf 2019)

22:41

安娜-梅爾澤--植物的算法之美｜JSUnconf 2019年。 (Anna Melzer - The algorithmic beauty of plants | JSUnconf 2019)

3

15種技能，將永遠得到回報 (15 SKILLS That Will Pay Off Forever)

22:17

15種技能，將永遠得到回報 (15 SKILLS That Will Pay Off Forever)

10

PBS News Weekend full episode, Feb. 25, 2024

24:10

PBS News Weekend full episode, Feb. 25, 2024

9

"量子コンピューティング」って何？5段階のレベルで説明 | WIRED.jp (「量子コンピューティング」って何？5段階のレベルで説明 | WIRED.jp)

19:27

"量子コンピューティング」って何？5段階のレベルで説明 | WIRED.jp (「量子コンピューティング」って何？5段階のレベルで説明 | WIRED.jp)

16

中文 B1 中級

蘇格蘭的島嶼和高地 (Scotland's Islands and Highlands)

26:12

蘇格蘭的島嶼和高地 (Scotland's Islands and Highlands)

719

茱莉亞音樂學院羅伯特-萊文鋼琴大師班：麥肯錫-梅勒梅德，鋼琴 (Mackenzie Melemed, piano | Juilliard Robert Levin Piano Master Class)

32:25

茱莉亞音樂學院羅伯特-萊文鋼琴大師班：麥肯錫-梅勒梅德，鋼琴 (Mackenzie Melemed, piano | Juilliard Robert Levin Piano Master Class)

109

來世或死後生命的絕對證據！！！！！！！！！！！！！！！！）。 (Absolute Proof For The Afterlife Or Life After Death!!)

22:23

來世或死後生命的絕對證據！！！！！！！！！！！！！！！！）。 (Absolute Proof For The Afterlife Or Life After Death!!)

19

側面。第二場比賽由Geoff Marshall, Vicki Pipe, LDShadowLady和Smallishbeans主持。 (Lateral: Game 2 with Geoff Marshall, Vicki Pipe, LDShadowLady and Smallishbeans)

19:41

側面。第二場比賽由Geoff Marshall, Vicki Pipe, LDShadowLady和Smallishbeans主持。 (Lateral: Game 2 with Geoff Marshall, Vicki Pipe, LDShadowLady and Smallishbeans)

1

坦克世界"本週最佳重播" 第16集 (World of Tanks: Best Replays of the Week - Episode 16)

16:44

坦克世界"本週最佳重播" 第16集 (World of Tanks: Best Replays of the Week - Episode 16)

2279

中文 B1 中級

英文博客（Learn English Now with Phrasal Verbs for Falling - All Ears English Podcast 1770）

17:19

英文博客（Learn English Now with Phrasal Verbs for Falling - All Ears English Podcast 1770）

18

學習 "SOME "在英語中的多種用法 (Learn the many uses of "SOME" in English)

19:35

學習 "SOME "在英語中的多種用法 (Learn the many uses of "SOME" in English)

24

中文 A2 初級

Sexologists Debunk 17 Sex Myths | Debunked

19:14

Sexologists Debunk 17 Sex Myths | Debunked

4

US vs UK Mountain Dew | Food Wars

19:57

US vs UK Mountain Dew | Food Wars

5

打字（How China Conquered The Keyboard）

21:06

打字（How China Conquered The Keyboard）

24

物理学家对11部《速度与激情》电影特技进行评分（Physicist Rates 11 'Fast And Furious' Movie Stunts | How Real Is It?）

19:38

物理学家对11部《速度与激情》电影特技进行评分（Physicist Rates 11 'Fast And Furious' Movie Stunts | How Real Is It?）

7

社交購物是一項可擴展的業務嗎？ (Is Social Shopping a Scalable Business?)

19:01

社交購物是一項可擴展的業務嗎？ (Is Social Shopping a Scalable Business?)

11

中文 B1 中級

訪客趣味功能MPJ的趣味火車。 (Guest: Fun Fun Train with MPJ from Fun Fun Function)

122:05

訪客趣味功能MPJ的趣味火車。 (Guest: Fun Fun Train with MPJ from Fun Fun Function)

直播檔案。ITP IMA 2019春季展 (Live Stream Archive: ITP IMA Spring Show 2019)

148:52

直播檔案。ITP IMA 2019春季展 (Live Stream Archive: ITP IMA Spring Show 2019)

4

直播#161:混沌遊戲和快速抽獎!API (Live Stream #161: Chaos Game & Quick, Draw! API)

134:34

直播#161:混沌遊戲和快速抽獎!API (Live Stream #161: Chaos Game & Quick, Draw! API)

1

健康會議："流感，當代最後的大流行病"。 (Conférence santé : : « La grippe, dernière grande pandémie contemporaine ».)

98:55

健康會議："流感，當代最後的大流行病"。 (Conférence santé : : « La grippe, dernière grande pandémie contemporaine ».)

12

史蒂文-平克：《語言學是理解大腦的窗口》。語言學是瞭解大腦的窗口 (Steven Pinker: Linguistics as a Window to Understanding the Brain)

50:01

史蒂文-平克：《語言學是理解大腦的窗口》。語言學是瞭解大腦的窗口 (Steven Pinker: Linguistics as a Window to Understanding the Brain)

475

Lec 03: Electric Flux and Gauss's Law | 8.02 Electricity and Magnetism, Spring 2002 (Walter Lewin) (Lec 03: Electric Flux and Gauss's Law | 8.02 Electricity and Magnetism, Spring 2002 (Walter Lewin))

51:05

Lec 03: Electric Flux and Gauss's Law | 8.02 Electricity and Magnetism, Spring 2002 (Walter Lewin) (Lec 03: Electric Flux and Gauss's Law | 8.02 Electricity and Magnetism, Spring 2002 (Walter Lewin))

52

十四世達賴喇嘛尊者。通過慈悲實現和平 (His Holiness the XIV Dalai Lama: Peace Through Compassion)

93:46

十四世達賴喇嘛尊者。通過慈悲實現和平 (His Holiness the XIV Dalai Lama: Peace Through Compassion)

119

SNAKE FROM SCRATCH (Part 2) - CS50 on Twitch, EP.3 (SNAKE FROM SCRATCH (PART 2) - CS50 on Twitch, EP. 3)

171:07

SNAKE FROM SCRATCH (Part 2) - CS50 on Twitch, EP.3 (SNAKE FROM SCRATCH (PART 2) - CS50 on Twitch, EP. 3)

1

第2部--《愛瑪》有聲讀物，簡-奧斯汀著 (第1卷：第10-18章) (Part 2 - Emma Audiobook by Jane Austen (Vol 1: Chs 10-18))

136:41

第2部--《愛瑪》有聲讀物，簡-奧斯汀著 (第1卷：第10-18章) (Part 2 - Emma Audiobook by Jane Austen (Vol 1: Chs 10-18))

371

5.C至大會 (5. C to Assembly)

81:30

5.C至大會 (5. C to Assembly)

2

代碼突破2.0。林德西-斯科特和馬克-庫班的原型設計 (Code Break 2.0: Prototypes with Lyndsey Scott and Mark Cuban)

72:32

代碼突破2.0。林德西-斯科特和馬克-庫班的原型設計 (Code Break 2.0: Prototypes with Lyndsey Scott and Mark Cuban)

4

蒂姆-凱勒："上帝的理由"｜在谷歌的演講 (Tim Keller: "The Reason for God" | Talks at Google)

61:07

蒂姆-凱勒："上帝的理由"｜在谷歌的演講 (Tim Keller: "The Reason for God" | Talks at Google)

70

第一週，繼續 (Week 1, continued)

52:50

第一週，繼續 (Week 1, continued)

1310

中文 B1 中級

Call of Cthulhu HP Lovecraft - Audio Book - With Words / Closed Captions(有聲讀物/字幕) (Call of Cthulhu HP Lovecraft - Audio Book - With Words / Closed Captions)

91:56

Call of Cthulhu HP Lovecraft - Audio Book - With Words / Closed Captions(有聲讀物/字幕) (Call of Cthulhu HP Lovecraft - Audio Book - With Words / Closed Captions)

359

Herbert West – Reanimator by H.P. Lovecraft | Audiobook

72:59

Herbert West – Reanimator by H.P. Lovecraft | Audiobook

52

C.C. C. Mei Distinguished Speaker Series:杉原治博士 (C. C. Mei Distinguished Speaker Series: Dr. George Sugihara)

74:58

C.C. C. Mei Distinguished Speaker Series:杉原治博士 (C. C. Mei Distinguished Speaker Series: Dr. George Sugihara)

31

斯坦福 - 用Swift開發iOS 9應用 - 2.應用MVC (Stanford - Developing iOS 9 Apps with Swift - 2. Applying MVC)

81:13

斯坦福 - 用Swift開發iOS 9應用 - 2.應用MVC (Stanford - Developing iOS 9 Apps with Swift - 2. Applying MVC)

79

瀕死體驗--NDE--與佛教--阿信奧塔瑪。 (Near Death Experiences - NDE - and Buddhism - Ashin Ottama)

151:45

瀕死體驗--NDE--與佛教--阿信奧塔瑪。 (Near Death Experiences - NDE - and Buddhism - Ashin Ottama)

33

极客讲座：关于黑洞，我们真正了解些什么？（Geek Out Session: What do we really know about Black Holes?）

85:22

极客讲座：关于黑洞，我们真正了解些什么？（Geek Out Session: What do we really know about Black Holes?）

7