Introduction to WebRTC
由於之後想要做的專題是跟即時視訊相關，在開始作業前想對webrtc有些基本的了解，結果就是一踏入了解就發現這個水深的可怕，之後每天除了寫一點go，也會花時間學習這個協定。WebRTC是個用於瀏覽器之間溝通的協定，透過NAT Traversal(STUN、

學習

職場產業

音樂藝文

從會計師事務所到軟體工程師

Blockcyber的沙龍

Sean DuBois
Developer @ Apple

Robots, Virtual Reality, Multiplayer NES Games and Censorship Circumvention. These are just some of the things being built with Go and WebRTC. This talk will teach you about the technology that is powering the cutting edge and why Go is the language to do it.

If you know WebRTC you know Pion WebRTC. With 7k stars on Github and the 23rd most popular channel on Slack it is growing fast. The company formant.io recently announced a demo that allowed you to control a spot robot right from your browser using it. Piepackr allows you to play multiplayer NES games with friends. Tor is using it to bring uncensored internet to those that can’t even download binaries.

In this talk you won’t learn just how to build things with WebRTC, but get a whirlwind tour of concepts that you can apply to other projects. Learn high level topics like NAT Mapping, Congestion Control and Error Correction. These are things that we take for granted, but don’t have the luxury in high performance networking. Learning these topics will make you stronger going back to other problems.

Then see a quick demo of the Pion WebRTC API. How can you express these RTC topics using a simple Go API? Last we will finish with the most popular projects build with WebRTC in Go. This will inspire you to go build your project that will change the world.

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0:00 Intro
0:25 Talk

More Timestamps to come
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WebRTC: The secret power you didn't know Go has | Sean DuBois | Conf42 Golang 2021

Day 3 : 初次接觸WebRTC

文化生活

Stress testing
一早起床發現昨天辛苦整天網站又不能跑了，去看error.log發現原來是有其他服務使用到了80port，造成根本監聽不到，再去找找看是那些服務，結果可能是apache2使用到，直接怒sudo service apache2 stop，網站就恢復正常了。
今天除了再多熟悉

創作

Day 2 : 壓力測試

What the hack?
昨天信誓坦坦想說要將每天學習心得做一點紀錄，結果今天只做一件事，就是要把網站加上SSL憑證，再到Nginx做設定，以為一小時內就搞定的事情就處理了一整天...，可能是沒有分號、可能是url少了/符號、可能是沒有做port的導向、也可能檔案路徑設定錯誤，真的心中各種不甘，

親子與教育

Day 1 : 馬上跌了一跤

Introduction
在開始WeHelp第二階段時，每周都在想周日的時候要寫一篇網誌來記錄整周的學習，但前兩周沒有如期寫後，後面就心態就持續默許這偷懶的想法，到整個第二階段都沒有寫了@@，明天開始在完成原本訓練營一些HTTPS和AWS ELB的作業後，也要正式進入重頭戲了，再加上今天也去看了Yo

寫在進入Side Project

前言
在完成ALPHA Camp學期2-3的課程，因為接著上了彭彭老師的WeHelp coding bootcamp，再加上年底工作也較忙，似乎還沒機會好好整理學期2-3的心得，這邊可能至少先欠一篇文章，想先根據這周末學習Falsk session的運作機制做些簡單的紀錄。
何謂Flask

Python Flask session 學習心得

狀況；緣起
在跟著教材執行To-do list清單裡面新增一筆待辦事項時，發現透過GET方法傳送表單的時候，其資料會直接顯示在網址列上，所以通常都會改用POST方法以保持資料的機密性。然而一開始當我們透過req.body這個物件來抓使用者傳送的資料前，教材有提到需要先經過bodyParser提供的方

學期2-3 自學經驗分享: URL-encoded

Objective

Reflective

Interpretive

Decisional


學期2-3 : Week 3 To-do List：優化與部署 ORID

學期2-3 : Week 2 To-do List：CRUD & Mongo DB ORID

Objective
Reflective

Interpretive
Decisional


學期2-3 : Week 1 Express 網路應用程式 ORID

前言
這是第一次寫技術文章，但其實應該也只能說是蒐集很多資料並學習如何透過自己的話解釋的內容，並不能像其他大神可能分享一些很酷的技術，目標就單純是為了完成最後一週的作業(如下)。
走入非同步之前
執行環境(Execution Context)
執行環境堆疊 (Execution stack)


JavaScript programmers like to use words like, “event-loop”, “non-blocking”, “callback”, “asynchronous”, “single-threaded” and “concurrency”.

We say things like “don’t block the event loop”, “make sure your code runs at 60 frames-per-second”, “well of course, it won’t work, that function is an asynchronous callback!”

If you’re anything like me, you nod and agree, as if it’s all obvious, even though you don’t actually know what the words mean; and yet, finding good explanations of how JavaScript actually works isn’t all that easy, so let’s learn!

With some handy visualisations, and fun hacks, let’s get an intuitive understanding of what happens when JavaScript runs.

Transcript: http://2014.jsconf.eu/speakers/philip-roberts-what-the-heck-is-the-event-loop-anyway.html

License: For reuse of this video under a more permissive license please get in touch with us. The speakers retain the copyright for their performances.

Blockcyber