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  Run JavaScript in GoLang

In some cases, there might be some JavaScript code needs to be ran in a GoLang project. Fortunately, there are a few libraries which support running JavaScript in GoLang. The most famous one would be v8. This is a Go API for the famous v8 JavaScript engine originally developed for the Chrominum project and the foundation of NodeJS. In this post, we will show some simple steps to get v8 working in a GoLang program on MacOS. First you need to install the package so that you can import it. Run...

   GOLANG,JAVASCRIPT,V8     2019-05-16 07:40:38

  Will We Need Teachers Or Algorithms?

Editor’s note: This is Part III of a guest post written by legendary Silicon Valley investor Vinod Khosla, the founder of Khosla Ventures. In Part I, he laid the groundwork by describing how artificial intelligence is a combination of human and computer capabilities In Part II, he discussed how software and mobile technologies can augment and even replace doctors. Now, in Part III, he talks about how technology will sweep through education. In my last post, I ...

   Teacher,Algorithm,Development     2012-01-16 10:17:45

  Canonicalize XML in Java

XML canonicalization is often used when there is need to create digital signature to be sent to peers for verification. Since digital signature is created based on XML data, the XML data has to be canonicalized before its signature value can be calculated. Even an extra space may affect the signature value calculated, hence it must follow some rules to canonicalize the XML data so that it has a standard format. This is why W3C created specification Canonical XML Version 1.1. This specificat...

   JAVA,XML,JAVA SECURITY     2016-01-20 01:39:45

  Vine video sharing drops significantly

According to Sina Tech, social media analytics site Topsy data shows that Vine's short video sharing has dropped significantly since Facebook's photo sharing service Instagram launched the video sharing feature.Instagram co-founder Kevin Systrom announced on Thursday that Instagram supported short video sharing. Vine was once called the Instagram in video sharing world, but now, Instagram has launched its own 15-second short video sharing feature for its 130 million users.Vine, was acquired by T...

   Vine,Instagram,Twitter,topsy     2013-06-24 00:16:32

  Mark Zuckerberg delivered his first Chinese speech in Beijing

Facebook founder and CEO Mark Zuckerberg delivered a speech in Chinese at "Tringhua Students Dialogue with Board Members" on Oct 24, 2015 in Tsinghua University, Beijing. This is the first time he used Chinese throughout the whole speech. Though his Chinese is not that fluent, his hard work on learning Chinese is well appreciated.  In this speech, he shared three stories : mission, care and looking ahead. Mission You have to believe in your mission. When you have a mission, it will help yo...

   CHINESE,TSINGHUA,FACEBOOK,MARK ZUCKERBERG     2015-10-24 21:42:04

  Go channel explained

In Go, a channel is a type of concurrent data structure that allows two or more goroutines (Go's term for lightweight threads) to communicate with each other. Channels provide a way for goroutines to send and receive values, and they are an essential part of Go's concurrency model. Here's a simple example that demonstrates how to use channels in Go: package main import ( "fmt" ) func main() { // Create a new channel with the `make` function ch := make(chan int) // Start a new ...

   GOLANG,CHANNEL     2022-12-10 22:24:26

  How to play with cross domain request

What is cross domain request In simple, cross domain request is to request resource from other domain in one domain. Note, the "other domain" doesn't just mean domain name only, it includes much more. If the protocol, domain name, port is not the same, two domains will be considered different.  Below example describes what is considered as different domain. http://www.a.com/a.jshttp://www.a.com/b.js               # Same domainhttp://www.a.com/lab/a.js &nb...

   FRONT END,JSONP,CROSS DOMAIN,CROSS ORIGIN,CORS,DOCUMENT.DOMAIN,WINDOW.NAME     2016-11-06 00:48:54

  Why MySQL 8 drops support of query cache

Many of you may have heard or used MySQL's query cache, because it used to be a popular way to improve MySQL's performance. As an important feature for improving MySQL's performance, the query cache was often recommended as a solution for slow queries. However, why has MySQL 8 abandoned the query cache? Today, we will analyze and explore this decision. What is query cache? According to official document: The query cache stores the text of a SELECT statement together with the correspon...

   MYSQL 8,QUERY CACHE     2023-03-11 09:05:17

  Performance comparison of string concatenation in Go language

In Go language, string concatenation is an inevitable operation during development, and efficient string concatenation is crucial for improving application performance. This article will delve into several common ways of string concatenation, provide performance comparisons, and offer optimization suggestions aimed at helping developers write more efficient code. Common ways of string concatenation In Go language, common ways of string concatenation include the following: Using the + operator fo...

   COMPARISON,PERFORMANCE,STRING CONCATENATION     2024-05-13 00:33:20

  Disposable Email address

There is one statement which says Giving out your email address is like starting a relationship. What happens when you want to break up?Once you gave out your email address, you may take the risk of receiving big amount of junk emails. However, when we register on some websites, we must provide our Email address to receive authentication emails. If we cannot receive the authentication email, we cannot finish the registration process. Is there any alternative way?We can use disposable email, i.e,...

   Disposable email,Website,Summary     2012-05-19 12:27:14

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