7,801 個「 null object pattern javascript 」的搜尋結果

依關聯性

VoiceTube 廣告

乘坐Google自動駕駛車 (A Ride in the Google Self Driving Car)

03:32

乘坐Google自動駕駛車 (A Ride in the Google Self Driving Car)

429

中文 B1 中級

色散效果。Photoshop教程 (Dispersion Effect: Photoshop Tutorial)

10:24

色散效果。Photoshop教程 (Dispersion Effect: Photoshop Tutorial)

62

CS50 2018 - 回放3 - 記憶 (CS50 2018 - Lecture 3 - Memory)

128:39

CS50 2018 - 回放3 - 記憶 (CS50 2018 - Lecture 3 - Memory)

16

MEMORY CARD GAME FROM SCRATCH - CS50 on Twitch, EP.5 (MEMORY CARD GAME FROM SCRATCH - CS50 on Twitch, EP. 5)

187:46

MEMORY CARD GAME FROM SCRATCH - CS50 on Twitch, EP.5 (MEMORY CARD GAME FROM SCRATCH - CS50 on Twitch, EP. 5)

4

Java對我的電腦有什麼作用？ (What Does Java Do for My Computer?)

03:16

Java對我的電腦有什麼作用？ (What Does Java Do for My Computer?)

65

React中的自定義鉤子。最終的UI抽象層--Tanner Linsley | JSConf Hawaii 2020 (Custom Hooks in React: The Ultimate UI Abstraction Layer - Tanner Linsley | JSConf Hawaii 2020)

28:31

React中的自定義鉤子。最終的UI抽象層--Tanner Linsley | JSConf Hawaii 2020 (Custom Hooks in React: The Ultimate UI Abstraction Layer - Tanner Linsley | JSConf Hawaii 2020)

3

維護Mocha這個開源項目的教訓｜鄭勳卞｜JSConf Korea 2019(eng sub) (Lessons from maintaining Mocha, an open source project | Jeonghoon Byun | JSConf Korea 2019(eng sub))

25:05

維護Mocha這個開源項目的教訓｜鄭勳卞｜JSConf Korea 2019(eng sub) (Lessons from maintaining Mocha, an open source project | Jeonghoon Byun | JSConf Korea 2019(eng sub))

6

類別理論 1.1:動機與哲學 (Category Theory 1.1: Motivation and Philosophy)

46:46

類別理論 1.1:動機與哲學 (Category Theory 1.1: Motivation and Philosophy)

367

中文 B1 中級

ACTIVE VOICE Full English Grammar Course with Tests and Homework

34:36

ACTIVE VOICE Full English Grammar Course with Tests and Homework

2

關於生活、機器人和貓！由康斯坦薩-亞涅斯-卡爾德隆｜JSConf EU 2019年。 (About life, robots and cats! by Constanza Yáñez Calderón | JSConf EU 2019)

16:57

關於生活、機器人和貓！由康斯坦薩-亞涅斯-卡爾德隆｜JSConf EU 2019年。 (About life, robots and cats! by Constanza Yáñez Calderón | JSConf EU 2019)

1

TensorFlow是如何不斷改進的（TensorFlow Meet (How TensorFlow keeps improving (TensorFlow Meets))

06:39

TensorFlow是如何不斷改進的（TensorFlow Meet (How TensorFlow keeps improving (TensorFlow Meets))

2

我被日本的磨刀大師教訓了......。(等級提升) (I Got Schooled by a Japanese Master Sharpener... (level up))

12:09

我被日本的磨刀大師教訓了......。(等級提升) (I Got Schooled by a Japanese Master Sharpener... (level up))

2

七段式顯示器最長的字是什麼？ (What's The Longest Word You Can Write With Seven-Segment Displays?)

08:56

七段式顯示器最長的字是什麼？ (What's The Longest Word You Can Write With Seven-Segment Displays?)

6

FLASK BASICS (SERVER-SIDE PYTHON) - CS50 on Twitch, EP.31 (FLASK BASICS (SERVER-SIDE PYTHON) - CS50 on Twitch, EP. 31)

106:34

FLASK BASICS (SERVER-SIDE PYTHON) - CS50 on Twitch, EP.31 (FLASK BASICS (SERVER-SIDE PYTHON) - CS50 on Twitch, EP. 31)

6

大工程2合1!自上而下的城市汽車犯罪遊戲＃2 (BIG PROJECT 2-in-1! Top Down City Based Car Crime Game #2)

92:44

大工程2合1!自上而下的城市汽車犯罪遊戲＃2 (BIG PROJECT 2-in-1! Top Down City Based Car Crime Game #2)

48

Eva Nogales（加州大學伯克利分校）。電子顯微鏡介紹 (Eva Nogales (UC Berkeley): Introduction to Electron Microscopy)

46:56

Eva Nogales（加州大學伯克利分校）。電子顯微鏡介紹 (Eva Nogales (UC Berkeley): Introduction to Electron Microscopy)

109

前端開發的機器學習，查理-傑拉德｜JSConf.Asia 2019年。 (Machine Learning for Front-End Developers by Charlie Gerard | JSConf.Asia 2019)

34:05

前端開發的機器學習，查理-傑拉德｜JSConf.Asia 2019年。 (Machine Learning for Front-End Developers by Charlie Gerard | JSConf.Asia 2019)

3

40分鐘學會GraphQL (Learn GraphQL In 40 Minutes)

39:43

40分鐘學會GraphQL (Learn GraphQL In 40 Minutes)

5

Pythont程式（Python Tutorial - Python for Beginners [Full Course]）

374:07

Pythont程式（Python Tutorial - Python for Beginners [Full Course]）

8

SQL教程｜學習如何在表格中插入數據 (SQL Tutorial | Learn How to Insert Data into Tables)

11:55

SQL教程｜學習如何在表格中插入數據 (SQL Tutorial | Learn How to Insert Data into Tables)

5

安卓開發課程--用Kotlin構建原生應用教程。 (Android Development Course - Build Native Apps with Kotlin Tutorial)

204:55

安卓開發課程--用Kotlin構建原生應用教程。 (Android Development Course - Build Native Apps with Kotlin Tutorial)

1

字幕已審核

有關臉書：21 件你不知道的事 (21 Surprising Facts About: Facebook)

07:11

有關臉書：21 件你不知道的事 (21 Surprising Facts About: Facebook)

48447

中文 B1 中級

DIY手鍊!繩子和心形吊飾的手鍊製作教程 (DIY Bracelet! Bracelet Making Tutorial with String and a Heart Charm)

07:39

DIY手鍊!繩子和心形吊飾的手鍊製作教程 (DIY Bracelet! Bracelet Making Tutorial with String and a Heart Charm)

33

學習英語 - 系列一，第18集：鹽度。 (Study English - Series 1, Episode 18: Salinity)

09:59

學習英語 - 系列一，第18集：鹽度。 (Study English - Series 1, Episode 18: Salinity)

54

訓練你的大腦思考英語|5個練習讓你不再在腦中翻譯 (Train Your Brain To Think English | 5 Exercises To Stop Translating in Your Head)

12:49

訓練你的大腦思考英語|5個練習讓你不再在腦中翻譯 (Train Your Brain To Think English | 5 Exercises To Stop Translating in Your Head)

276

中文 A2 初級

鳥叫聲是舒緩焦慮的良方（Birds Are A Quick Fix For Your Anxiety）

06:32

鳥叫聲是舒緩焦慮的良方（Birds Are A Quick Fix For Your Anxiety）

71

構建一個應用程序來跟蹤亞馬遜的價格 (Build An App To Track Amazon's Prices)

19:44

構建一個應用程序來跟蹤亞馬遜的價格 (Build An App To Track Amazon's Prices)

2

HI和AI - Kyle Oba | JSConf夏威夷2019年 (HI and AI - Kyle Oba | JSConf Hawaii 2019)

22:22

HI和AI - Kyle Oba | JSConf夏威夷2019年 (HI and AI - Kyle Oba | JSConf Hawaii 2019)

2

第2天主題演講（TF World '19) (Day 2 Keynote (TF World '19))

89:35

第2天主題演講（TF World '19) (Day 2 Keynote (TF World '19))

3

'KNOCK His A** Out!最具動作感的時刻 ?68 威士忌 ('KNOCK His A** Out!' Most Action-Packed Moments ? 68 Whiskey)

09:15

'KNOCK His A Out!最具動作感的時刻 ?68 威士忌 ('KNOCK His A Out!' Most Action-Packed Moments ? 68 Whiskey)

4

中文 B1 中級

不同英語時態下的主動語態和被動語態及實例 | 學習英語語法 (Active and Passive Voice in Different English Tenses with Examples | Learn English Grammar)

05:39

不同英語時態下的主動語態和被動語態及實例 | 學習英語語法 (Active and Passive Voice in Different English Tenses with Examples | Learn English Grammar)

8

中文 B1 中級

如何用英語談論未來(帶WOULD) (How to Talk About the Future in English (with WOULD))

31:35

如何用英語談論未來(帶WOULD) (How to Talk About the Future in English (with WOULD))

4

區塊鏈如何運作？ (How does a blockchain work - Simply Explained)

06:00

區塊鏈如何運作？ (How does a blockchain work - Simply Explained)

339

中文 B2 中高級

TOP 23個SQL面試問題及答案！(SQL面試技巧+如何通過SQL面試！)(SQL面試技巧+如何通過SQL面試！) (TOP 23 SQL INTERVIEW QUESTIONS & ANSWERS! (SQL Interview Tips + How to PASS an SQL interview!))

18:31

TOP 23個SQL面試問題及答案！(SQL面試技巧+如何通過SQL面試！)(SQL面試技巧+如何通過SQL面試！) (TOP 23 SQL INTERVIEW QUESTIONS & ANSWERS! (SQL Interview Tips + How to PASS an SQL interview!))

110

為CSS編寫測試是可能的!不要相信謠言 - Gil Tayar | CSSconf EU 2019 (Writing Tests For CSS Is Possible! Don’t Believe The Rumors - Gil Tayar | CSSconf EU 2019)

27:01

為CSS編寫測試是可能的!不要相信謠言 - Gil Tayar | CSSconf EU 2019 (Writing Tests For CSS Is Possible! Don’t Believe The Rumors - Gil Tayar | CSSconf EU 2019)

1

回顧CHAT的代碼!- CS50 Live，EP.57 (REVIEWING CHAT'S CODE! - CS50 Live, EP. 57)

56:03

回顧CHAT的代碼!- CS50 Live，EP.57 (REVIEWING CHAT'S CODE! - CS50 Live, EP. 57)

1

1.3: 形狀與繪圖 - p5.js教程 (1.3: Shapes & Drawing - p5.js Tutorial)

25:47

1.3: 形狀與繪圖 - p5.js教程 (1.3: Shapes & Drawing - p5.js Tutorial)

4

漢語 - 僧伽羅語 (Chinese - The Sinitic Languages)

14:34

漢語 - 僧伽羅語 (Chinese - The Sinitic Languages)

258

中文 B1 中級

軟件反模式。如何摧毀開發者的代碼庫？ (Software Anti-Patterns: How to destroy a codebase for developers)

10:02

軟件反模式。如何摧毀開發者的代碼庫？ (Software Anti-Patterns: How to destroy a codebase for developers)

21

中文 B1 中級

Evan You談Vue.js：在框架設計中尋求平衡｜JSConf.Asia 2019 (Evan You on Vue.js: Seeking the Balance in Framework Design | JSConf.Asia 2019)

38:46

Evan You談Vue.js：在框架設計中尋求平衡｜JSConf.Asia 2019 (Evan You on Vue.js: Seeking the Balance in Framework Design | JSConf.Asia 2019)

9

TEDxDartmouth 2011- Michael Chaney: How to Read a Graphic Novel - March 6, 2011

17:24

TEDxDartmouth 2011- Michael Chaney: How to Read a Graphic Novel - March 6, 2011

110

RobotsWeekly #4 - Benjamin Lower 和 Kinect for Windows (RobotsWeekly #4 - Benjamin Lower and Kinect for Windows)

40:15

RobotsWeekly #4 - Benjamin Lower 和 Kinect for Windows (RobotsWeekly #4 - Benjamin Lower and Kinect for Windows)

1

編碼-自己動手!角色扮演遊戲第1部分 (Code-It-Yourself! Role Playing Game Part #1)

50:36

編碼-自己動手!角色扮演遊戲第1部分 (Code-It-Yourself! Role Playing Game Part #1)

4

如何回答 "你的優勢和劣勢是什麼？" (How to Answer “What Are Your Strengths and Weaknesses?")

34:42

如何回答 "你的優勢和劣勢是什麼？" (How to Answer “What Are Your Strengths and Weaknesses?")

4

大明星來猜猜｜這是真的蛋糕還是假的？ (Real or Cake? w/ Gal Gadot)

07:15

大明星來猜猜｜這是真的蛋糕還是假的？ (Real or Cake? w/ Gal Gadot)

33

中文 A2 初級

你應該使用Bootstrap嗎？ (Should You Use Bootstrap?)

08:29

你應該使用Bootstrap嗎？ (Should You Use Bootstrap?)

2