来自麻省理工大学的开源技术教程:《计算机教育中缺失的一课》中文版

该课程主要讲授命令行、文本编辑器、Git 版本控制系统等工具的使用,以及关于元编程、安全和密码学等知识的科普。
GitHub 上一个比较实用的前端库:anichart.js,可帮助你快速制作数据可视化动画视频
鲁班H5,类似易企秀的 H5 制作、建站工具、可视化搭建系统
As Telegram approaches 500 million active users, many of you are asking the question – who is going to pay to support this growth? After all, more users mean more expenses for traffic and servers. A project of our size needs at least a few hundred million dollars per year to keep going.

For most of Telegram’s history, I paid for the expenses of the company from my personal savings. However, with its current growth Telegram is on track to reach billions of users and to require appropriate funding. When a tech project reaches this scale, typically there are two options – start earning money to cover the costs, or sell the company.

Hence the question – which path will Telegram take? I’d like to make a few points to clarify our plan:

1. We are not going to sell the company like the founders of Whatsapp. The world needs Telegram to stay independent as a place where users are respected and high-quality service is ensured. Telegram must continue to serve the world as an example of a tech company that strives for perfection and integrity. And, as the sad examples of our predecessors show, that is impossible if you become part of a corporation.

2. Telegram is here to stay for a long time. We began developing our apps for our personal use over 8 years ago and have come a long way since then. In the process, Telegram changed the way people communicate in several aspects – encryption, functionality, simplicity, design, speed. This journey has just started. There’s much more we can – and will – bring to the world.

3. In order to make points 1 and 2 possible, Telegram will begin to generate revenue, starting next year. We will do it in accordance with our values and the pledges we have made over the last 7 years. Thanks to our current scale, we will be able to do it in a non-intrusive way. Most users will hardly notice any change.

4. All the features that are currently free will stay free. We will add some new features for business teams or power users. Some of these features will require more resources and will be paid for by these premium users. Regular users will be able to keep enjoying Telegram – for free, forever.

5. All parts of Telegram devoted to messaging will remain ad-free. We think that displaying ads in private 1-to-1 chats or group chats is a bad idea. Communication between people should be free of advertising of any sort.

6. In addition to its messaging component, Telegram has a social networking dimension. Our massive public one-to-many channels can have millions of subscribers each and are more like Twitter feeds. In many markets the owners of such channels display ads to earn money, sometimes using third-party ad platforms. The ads they post look like regular messages, and are often intrusive. We will fix this by introducing our own Ad Platform for public one-to-many channels – one that is user-friendly, respects privacy and allows us to cover the costs of servers and traffic.

7. If Telegram starts earning money, the community should also benefit. For example, If we monetize large public one-to-many channels via the Ad Platform, the owners of these channels will receive free traffic in proportion to their size. Or, if Telegram introduces premium stickers with additional expressive features, the artists who make stickers of this new type will also get a part of the profit. We want millions of Telegram-based creators and small businesses to thrive, enriching the experience of all our users.

This is the Telegram way.

It will allow us to keep innovating and keep growing for decades to come. We will be able to launch countless new features and welcome billions of new users. While doing that, we will remain independent and stay true to our values, redefining how a tech company should operate.
百度地图推的一个短片《前路》。真的感人 #影视
Media is too big
VIEW IN TELEGRAM
黑洞代理正式上线。21小时在线服务,售后无忧
来自华盛顿的研究人员在 GitHub 上开源了一项技术,可实时、快速的对高分辨率图像、视频进行自动背景抠图 传送门
H2O Wave,一套可用于构建实时 Web 项目与仪表面板的 #工具 ,采用 Python 编写,拥有低延迟、优雅美观、实时分析等亮点
如果你想保证与朋友进行直播的数据私密性,那么可以用 GitHub 上的 Owncast 项目来搭建属于自己的实时流媒体服务器。

用户可随意更改界面风格,并与其它基于 RTMP 的软件兼容,视频内容可存储在本地或 Amazon S3 上
GitHub 上一款基于 C++ 与 C# 开发的现代化 3D 游戏引擎:FlaxEngine,致力于优化现有的游戏工作流程,可采用 Visual Studio 快速安装
由韩国国立中央图书馆(NLK)与日本国立国会图书馆(NDL)联合建构的东亚数字图书馆(East Asia Digital Library,EADL)于12月17日开放使用。本资料库现有两馆收藏的古书典籍共8000件,可透过书名、关键词、作者、主题等方式检索。除日、韩两国的资料外,今后也将预计整合东北亚如中国大陆、蒙古的藏品,并邀请藏有东北亚资料的欧、美图书馆共襄盛举。 #古籍
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