7,803 個「 null object pattern javascript 」的搜尋結果

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VoiceTube 廣告

Let's Learn English Lesson 36 Pronunciation Practice(發音練習) (Let's Learn English Lesson 36 Pronunciation Practice)

03:05

Let's Learn English Lesson 36 Pronunciation Practice(發音練習) (Let's Learn English Lesson 36 Pronunciation Practice)

15

全能的前端開發 - Chris Coyier (The All Powerful Front End Developer - Chris Coyier)

31:13

全能的前端開發 - Chris Coyier (The All Powerful Front End Developer - Chris Coyier)

4

蘋果基於Arm的M1 Mac活動10分鐘內完成 (Apple’s Arm-based M1 Mac event in 10 minutes)

10:23

蘋果基於Arm的M1 Mac活動10分鐘內完成 (Apple’s Arm-based M1 Mac event in 10 minutes)

7

中文 B1 中級

工人螺紋速成班 - Rich Trott | 夏威夷JSConf 2020 (A Crash Course on Worker Threads - Rich Trott | JSConf Hawaii 2020)

26:27

工人螺紋速成班 - Rich Trott | 夏威夷JSConf 2020 (A Crash Course on Worker Threads - Rich Trott | JSConf Hawaii 2020)

2

鯊魚學院。鯨鯊 (Shark Academy: Whale Sharks)

03:54

鯊魚學院。鯨鯊 (Shark Academy: Whale Sharks)

369

房撲（AFL）｜循環系統和疾病｜NCLEX-RN｜可汗學院 (Atrial flutter (AFL) | Circulatory System and Disease | NCLEX-RN | Khan Academy)

03:56

房撲（AFL）｜循環系統和疾病｜NCLEX-RN｜可汗學院 (Atrial flutter (AFL) | Circulatory System and Disease | NCLEX-RN | Khan Academy)

21

這一季你必須要穿的10件大衣｜**冬季必備**。 (10 Coats You NEED This Season | **Winter Essentials**)

04:00

這一季你必須要穿的10件大衣｜冬季必備。 (10 Coats You NEED This Season | Winter Essentials)

6

字幕已審核

你的「天菜」說明了你是什麼樣的人？讓 Psych2Go 解釋給你聽！ (Who You're Attracted to Says A Lot About You)

04:06

你的「天菜」說明了你是什麼樣的人？讓 Psych2Go 解釋給你聽！ (Who You're Attracted to Says A Lot About You)

20954

中文 B2 中高級

Blender 2.8初級教程--第6部分：UV解包。 (Blender 2.8 Beginner Tutorial - Part 6: UV Unwrapping)

12:24

Blender 2.8初級教程--第6部分：UV解包。 (Blender 2.8 Beginner Tutorial - Part 6: UV Unwrapping)

39

牛頓定律物理速成班 #5 (Newton's Laws: Crash Course Physics #5)

11:04

牛頓定律物理速成班 #5 (Newton's Laws: Crash Course Physics #5)

489

中文 B1 中級

[電玩遊戲 Nintendo Wii薩爾達傳說:Skyward Sword(2)遊戲回顧]CGRundertow THE LEGEND OF ZELDA: SKYWARD SWORD for Nintendo Wii Video Game Review Part Two

04:47

[電玩遊戲 Nintendo Wii薩爾達傳說:Skyward Sword(2)遊戲回顧]CGRundertow THE LEGEND OF ZELDA: SKYWARD SWORD for Nintendo Wii Video Game Review Part Two

64

兒童的3種物質狀態（固體、液體、氣體）。兒童科學 - FreeSchool (3 States of Matter for Kids (Solid, Liquid, Gas): Science for Children - FreeSchool)

04:35

兒童的3種物質狀態（固體、液體、氣體）。兒童科學 - FreeSchool (3 States of Matter for Kids (Solid, Liquid, Gas): Science for Children - FreeSchool)

67

中文 B1 中級

Skinwalker Ranch的祕密。外星人熱點拍攝到的不明飛行物 (第一季) (The Secret of Skinwalker Ranch: REAL UFO CAUGHT ON CAMERA at Alien Hotspot (Season 1) | History)

04:00

Skinwalker Ranch的祕密。外星人熱點拍攝到的不明飛行物 (第一季) (The Secret of Skinwalker Ranch: REAL UFO CAUGHT ON CAMERA at Alien Hotspot (Season 1) | History)

3

如何在Roblox上製作一把劍 (How To Make A Sword On Roblox)

04:19

如何在Roblox上製作一把劍 (How To Make A Sword On Roblox)

28

中文 B1 中級

如果獅子統治世界？+ 更多視頻 | #aumsum #kids #science #education #whatif (What if Lions Ruled the World? + more videos | #aumsum #kids #science #education #whatif)

04:46

如果獅子統治世界？+ 更多視頻 | #aumsum #kids #science #education #whatif (What if Lions Ruled the World? + more videos | #aumsum #kids #science #education #whatif)

23

中文 B2 中高級

英語之路 - DVD 01 - Lesson 03 - She comes from Spain(她來自西班牙) (English Way - DVD 01 - Lesson 03 - She comes from Spain)

08:40

英語之路 - DVD 01 - Lesson 03 - She comes from Spain(她來自西班牙) (English Way - DVD 01 - Lesson 03 - She comes from Spain)

86

口語閱讀流利度17--"彩虹"--說得順暢、說得清楚 (Oral Reading Fluency 17 - "The Rainbow" - Speak smoothly and clearly!)

08:09

口語閱讀流利度17--"彩虹"--說得順暢、說得清楚 (Oral Reading Fluency 17 - "The Rainbow" - Speak smoothly and clearly!)

230

摩擦力 - 為什麼在沙灘上拉船比在海上拉船難？| 岸邊的小船為什麼比海面上的小船難拉？ (Friction - Why is it difficult to pull a boat on the beach than on the sea? | #aumsum)

01:51

摩擦力 - 為什麼在沙灘上拉船比在海上拉船難？| 岸邊的小船為什麼比海面上的小船難拉？ (Friction - Why is it difficult to pull a boat on the beach than on the sea? | #aumsum)

17

簡介 - 00 - 太空射擊遊戲 - Unity官方教程 (Introduction - 00 - Space Shooter - Unity Official Tutorials)

01:55

簡介 - 00 - 太空射擊遊戲 - Unity官方教程 (Introduction - 00 - Space Shooter - Unity Official Tutorials)

52

什麼是布林線？ (What are Bollinger Bands?)

01:59

什麼是布林線？ (What are Bollinger Bands?)

145

誰是負責人？- 英語中的因果關係動詞 (Who is in charge? - Causative Verbs in English)

08:04

誰是負責人？- 英語中的因果關係動詞 (Who is in charge? - Causative Verbs in English)

1508

以英語為母語的人絕對不會說的5件事! (5 things native English speakers NEVER say!)

07:42

以英語為母語的人絕對不會說的5件事! (5 things native English speakers NEVER say!)

270

中文 A2 初級

影子最亮的部分在中間。 (The Brightest Part of a Shadow is in the Middle)

07:20

影子最亮的部分在中間。 (The Brightest Part of a Shadow is in the Middle)

76

學習英語。 "怎麼會這樣？" (Learn English: "How come?")

07:53

學習英語。 "怎麼會這樣？" (Learn English: "How come?")

306

使用Python 3的Sockets教程第3部分--用Pickle發送和接收Python對象。 (Sockets Tutorial with Python 3 part 3 - sending and receiving Python Objects w/ Pickle)

06:49

使用Python 3的Sockets教程第3部分--用Pickle發送和接收Python對象。 (Sockets Tutorial with Python 3 part 3 - sending and receiving Python Objects w/ Pickle)

8

A Few Good Men 法庭04（A Few Good Men 法庭04）

08:45

A Few Good Men 法庭04（A Few Good Men 法庭04）

18

中國展示具有 43 DoF 的新型青龍人工智能機器人 (2024 年世界人工智能大會) (China Demos New QINGLONG AI Robot with 43 DoF (2024 WORLD ARTIFICIAL INTELLIGENCE CONFERENCE))

08:29

中國展示具有 43 DoF 的新型青龍人工智能機器人 (2024 年世界人工智能大會) (China Demos New QINGLONG AI Robot with 43 DoF (2024 WORLD ARTIFICIAL INTELLIGENCE CONFERENCE))

8

中文 B1 中級

網絡連接介紹 (Introdução a conexões de rede)

04:33

網絡連接介紹 (Introdução a conexões de rede)

73

12.1:什麼是word2vec？- 使用文本編程 (12.1: What is word2vec? - Programming with Text)

10:20

12.1:什麼是word2vec？- 使用文本編程 (12.1: What is word2vec? - Programming with Text)

3

Zombieload會殺死你的電腦 (Zombieload Will Kill Your PC)

07:55

Zombieload會殺死你的電腦 (Zombieload Will Kill Your PC)

2

如何用英語談論衣服 - 英語口語課程 (How to Talk About Clothes in English - Spoken English Lesson)

09:47

如何用英語談論衣服 - 英語口語課程 (How to Talk About Clothes in English - Spoken English Lesson)

18

數字系列測試題及答案!(如何通過數字推理考試) (NUMBER SERIES TEST Questions and Answers! (How to PASS a Numerical Reasoning Test))

08:24

數字系列測試題及答案!(如何通過數字推理考試) (NUMBER SERIES TEST Questions and Answers! (How to PASS a Numerical Reasoning Test))

3

Thom Browne的整個設計過程，從草圖到衣服｜Vogue (Thom Browne’s Entire Design Process, From Sketch to Dress | Vogue)

10:03

Thom Browne的整個設計過程，從草圖到衣服｜Vogue (Thom Browne’s Entire Design Process, From Sketch to Dress | Vogue)

2

用網絡音頻API解讀腦電波，由Braden Moore主持｜JSConf Budapest 2019 (Deciphering Brainwaves with the Web Audio API by Braden Moore | JSConf Budapest 2019)

27:23

用網絡音頻API解讀腦電波，由Braden Moore主持｜JSConf Budapest 2019 (Deciphering Brainwaves with the Web Audio API by Braden Moore | JSConf Budapest 2019)

3

內在的世界，外在的世界--第三部分--蛇與蓮。 (Inner Worlds, Outer Worlds - Part 3 - The Serpent and the Lotus)

26:30

內在的世界，外在的世界--第三部分--蛇與蓮。 (Inner Worlds, Outer Worlds - Part 3 - The Serpent and the Lotus)

159

這是下一個！？比特幣需要在48小時內完成嗎？如果沒有...這說明了什麼? (IS THIS NEXT!? DOES BITCOIN NEED TO DO THIS WITHIN 48 HOURS?? IF NOT... WHAT DOES IT INDICATE?)

10:04

這是下一個！？比特幣需要在48小時內完成嗎？如果沒有...這說明了什麼? (IS THIS NEXT!? DOES BITCOIN NEED TO DO THIS WITHIN 48 HOURS?? IF NOT... WHAT DOES IT INDICATE?)

3

瀏覽器作為一個模塊化、網絡化的視頻合成器 - Olivia Jack | 2019年夏威夷JSConf會議 (The Browser as a Modular, Networked Video Synthesizer - Olivia Jack | JSConf Hawaii 2019)

27:17

瀏覽器作為一個模塊化、網絡化的視頻合成器 - Olivia Jack | 2019年夏威夷JSConf會議 (The Browser as a Modular, Networked Video Synthesizer - Olivia Jack | JSConf Hawaii 2019)

1

編碼挑戰＃148：禮物包裝算法（凸殼）。 (Coding Challenge #148: Gift Wrapping Algorithm (Convex Hull))

22:28

編碼挑戰＃148：禮物包裝算法（凸殼）。 (Coding Challenge #148: Gift Wrapping Algorithm (Convex Hull))

7

商業模式創新 (Business Model Innovation)

08:23

商業模式創新 (Business Model Innovation)

1535

你是什麼人？ (What Are You?)

06:28

你是什麼人？ (What Are You?)

141

拆卸的DIY管子頂部*超級簡單*。 (THRIFTED DIY TUBE TOP *super easy*)

04:28

拆卸的DIY管子頂部超級簡單。 (THRIFTED DIY TUBE TOP super easy)

1

AngularJS & D3.NET可視化指令 (AngularJS & D3: Directives for Visualizations)

85:12

AngularJS & D3.NET可視化指令 (AngularJS & D3: Directives for Visualizations)

148

5.寶寶是什麼樣子的。思想的發展 (5. What Is It Like to Be a Baby: The Development of Thought)

48:58

5.寶寶是什麼樣子的。思想的發展 (5. What Is It Like to Be a Baby: The Development of Thought)

133

品質、體積、密度歌 (Mass, Volume, Density Song)

03:10

品質、體積、密度歌 (Mass, Volume, Density Song)

20

中文 B2 中高級

如何使用。Should/Shouldn't(過去和現在)--基礎英語語法。 (How to use: Should/Shouldn't (Past & Present) - Basic English Grammar)

34:32

如何使用。Should/Shouldn't(過去和現在)--基礎英語語法。 (How to use: Should/Shouldn't (Past & Present) - Basic English Grammar)

7

什麼時候用 some，什麼時候用 any？(When to use SOME and ANY? Learn English Grammar)

11:18

什麼時候用 some，什麼時候用 any？(When to use SOME and ANY? Learn English Grammar)

693

中文 A2 初級