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SEARCH KEYWORD -- Start-up

  Capture video stream with WebRTC

WebRTC(Web Real-Time Communication) is an API supporting real time audio and video communication through a browser. It is now a recommended W3C standard. This post is to show you how to capture video stream and screenshot with WebRTC. Capture video stream To play video stream from the video camera, we first need to put a video tag in our code: <video id="video"></video> The main function to get the video stream is the navigator.getUserMedia, as of now only few of the browsers support...

   WebRTC,Video,Screenshot     2013-10-24 21:04:41

  A simple tutorial on GoLang connecting to Clickhouse

Go, also known as Golang, is a statically-typed, concurrent programming language created by Google. ClickHouse is a high-performance, column-oriented database management system that can be used for real-time data analysis. This tutorial will provide a deep dive into how to connect to ClickHouse from a Go program, including how to perform common database operations such as SELECT and INSERT statements. Before proceeding, it is assumed that you already have Go and ClickHouse installed on your mach...

   GOLANG,CLICKHOUSE,TUTORIAL     2023-02-11 07:05:36

  JShell -- The command line tool to run Java code in Java 9

Java 9 is currently a work-in-progress and is planned to be GAed in March 2017. Quite a few new features will be introduced in the new release. The coolest feature is project Jigsaw which is to modularize the Java packages so that a customized JDK can be built and shipped with only the necessary modules to fulfill their project requirement. Apart from this feature, another big new feature is project Kulla -- JShell. In simple, JShell is a command line tool which can be used to run...

   JAVA 9,JSHELL,KULLA     2016-04-01 21:46:48

  Get Facebook, Twitter and YouTube back

Facebook, Twitter and YouTube have become part of many people's daily network life. People hang around these sites to network with known and unknown friends, to know about the latest news and to relax with fancy video clips. But what will you feel if all of a sudden you cannot access them? Want to experience this? Go behind the GFW(Great Firewall) of China. Just a joke, but it's real. Huh, you are out of China? Don't worry. Change your DNS server to those located in China. I just experienced it,...

   DNS spoofing, GFW, YouTube, 37.61.54.158     2014-12-20 21:41:34

  How does CSDN dare to use plain text as password?

Recently, the China's largest Chinese IT community website named CSDN leaked its user's account information. Later today CSDN made an announcements to its users on their website. The announcement said that some user account information was leaked and the passwords of the accounts were stored as plain text in their database before 2009, and after 2009, they adopted an encryption algorithm to encrypt user password. They urged all users who registered the account before 2009 to change their passwor...

   Security,Information leak,CSDN,Plain text     2011-12-22 09:10:01

  Create wireless hotspot on your smartphone

It's now very common that you may not get Internet connection in first few days when you move to a new place. And you may have some important things to handle or you may just want to connect to Internet and share with others your new place. If you have a smartphone which has enough mobile data package, then you are on the way to enjoy Internet. Today we will introduce how to create a wireless hotspot on your smartphone with Samsung Galaxy S3 i9300. Step 1 Go to Settings -> More Settings ->...

   Wireless hotspot, Smartphone, Samsung     2013-01-12 23:08:39

  Set up Superset on ubuntu 16.04 LTS

Apache Superset (incubating) is a modern, enterprise-ready business intelligence web application. Compared with business-focused BI tool like Tableau, superset is more technology-navy. It supports more types of visualization and able to work in distributed manner to boost the query performance. Most importantly, it is free of charge! An example dashboard: Let’s go and set it up. Create a virtualenv Assume Anaconda is installed for python management. # create a virtualenv with python 3.6 co...

   TUTORIAL,UBUNTU,SUPERSET     2019-10-19 21:34:55

  Why choosing Carnegie Mellon over Harvard?

Carnegie Mellon and Harvard are both well-known world class universities. They have attracted lots of students all around the world to apply for. But Carnegie Mellon and Harvard are two different types of universities, they have different focus as well. What drives people to choose Carnegie Mellon over Harvard? Yishan Wong, CEO of Reddit gave his opinion on Quora.  Because you can fail out of Carnegie Mellon.  It's well-known that once you get into Harvard, it's very difficult to fail ...

   Carnegie Mello,Harvard     2013-08-08 22:10:11

  Jack Ma retires from Alibaba today

Jack Ma, Alibaba founder and chairman, retires today. Today is the Teacher's day in China and also the 20th anniversary of Alibaba. It's a special day and also a memorable day for all Alibaba employees including employee No.1 Jack Ma. Ma steps down as chairman today as he promised 10 years ago when he was 45. Just a few years back in 2013, he left his position as Alibaba CEO. His successor will be Daniel Zhang who is the current CEO of Alibaba. After today, Jack will start his new life out...

   ALIBABA,RETIREMENT,JACK MA,NEWS,CHAIRMAN     2019-09-10 09:24:43

  Is Singapore a good place for startups?

Singapore is long time being considered as a perfect place for living and investing given its beautiful environment, warmly climate,  well-polished legal system and well-known richness. Its government is relatively young and open-minded. They like to take new challenges and embrace new technologies. It's the first country to open its government data to the world online. Many of you may consider that Singapore would be a perfect place for you to start your next startup. But the tr...

   SINGAPORE,STARTUP     2016-03-09 09:06:32

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