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  Some frequently used ES6 code snippets

Below are a list of ES6 code snippets which are used frequently. Hope that it will be helpful. 1. Shuffle array elements let arr = [67, true, false, '55'] arr = arr.sort(() => 0.5 - Math.random()) console.log(arr) // [ '55', 67, false, true ] 2. Remove characters which are not numbers const str = 'xieyezi 23213 is 95994 so hansome 223333' const numbers = str.replace(/\D/g, '') console.log(numbers) // 2321395994223333 3. Reverse sequence or words const sentence = 'xieyezi js so handsome, lol.'...

   JAVASCRIPT,ES6,CODE SNIPPET,TIPS     2022-04-10 07:56:07

  What happens on the Internet in one minute?

In one minute, 216,000 images are shared on Instagram, $83,000 sales happen on Amazon, 1.8 million Likes are clicked on Facebook, also 72 hours videos are uploaded to YouTube. This image is from Omee and it shows us what happens on the Internet in one minute. For example, how many Tweets are posted, how many pictures are viewed, how many minutes communication through Skype. The data on the graph is from PC Mag, Business Insider and other websites. In one minute, 2 million searches on Google, 70...

   Infographic,60 seconds,Internet     2013-08-01 06:47:51

  Alibaba launches NASA program

On March 9, the China E-Commerce giant Alibaba held its first internal tech conference in its headquarter Hangzhou. During this conference, Jack Ma, Alibaba founder, announced a new program code named "NASA" which aims to build up technologies serving 2 billion people in next 20 years by forming independent and powerful R&D department. On March 13, Alibaba formerly announced this program to the public. The research area of this program would include machine learning, chi...

   ALIBABA,NASA,CHINA,NEWS     2017-03-13 11:32:22

  Life in Apple design team

While in mentioning about Apple, everyone of us will think of the amazing products shipped out by Apple such as iPhone and iPad. We are all impressed by its smooth design and handy user experience. But as a outsider do you know the story behind the amazing design of Apple? Apple has a team of world class designers and they are leading the fashion of design. What's the life in Apple's design team? Ben Williamson from Apple shared one story of him which can give us some hints on what the life is ...

   Apple,Design,Perfect     2014-01-02 07:00:27

  Marissa Mayer brings 2nd Googler to Yahoo

A week ago, Anne Espiritu who was responsible for Google's public relations before leaving Google joined Yahoo, she became the first Googler Mayer brought to Yahoo. According to CNBC's Jon Fortt on Twitter, Google's former project manager Patricia Moll Kriese also left Google, formally joined Yahoo! as Senior Director of Yahoo's corporate projects.Although this news has not been confirmed by both companies, Patricia Moll Kriese's personal page on LinkedIn revealed that she left Google in August,...

   Yahoo,Marissa Mayer,Googler     2012-08-10 13:38:15

  Lenovo becomes the king of PC

According to Sina Tech, Data from market research firm IDC and Gartner shows that Lenovo defeats Hewlett-Packard to become the largest PC manufacturer in the world In the second quarter , global PC shipments dropped by 11%, the fifth consecutive quarter of decline.In October 2012, Gartner ranked Lenovo as the world's largest PC manufacturer, but IDC data ranked HP as the largest PC manufacturer. However, the rank of largest PC manufacturer between IDC and Gartner has no difference this time.Gar...

   Lenovo,PC,HP,IDC     2013-07-11 04:52:04

  Why accessing Java HashMap may cause infinite loop in concurrent environment

HashMap in Java is frequently used to handle key/value pairs. But it is not a good candidate to be used in concurrent environment where ConcurrentHashMap should be used instead. If used in concurrent environment, it may cause lots of unexpected behavior even including make the program getting into an infinite loop situation. To understand how this can happen, let's first discuss how HaspMap works internally. In this post we will use implementation of HashMap before Java 8 as example, Java 8 prov...

   JAVA,HASHMAP,INFINITE LOOP     2020-03-29 01:47:00

  How to Create Custom Textures using Filters & Layers?

Textures are an important and integral part of the design world. You would find textures in every nook and corner of your life, in every space across your home. For a long time people have looked at Photoshop as a tool to manipulate photos and make them look the way you want it to appear. But, that’s not all to Photoshop. You can create interesting textures, and create amazing design works using Photoshop too. All you need is a design hand, and some basic understanding of how to use it. He...

   Photoshop     2014-08-01 05:46:07

  Measure the improvement of Google search algorithm

On the day of Google's 15th birthday, Google released its new "Hummingbird" search algorithm, this is the first time that Google changes its search algorithm since 2010 after the Caffeine algorithm. It will affect 90% of search results, according to Amit Singhal, Lead of Google Search. Some may be curious about how Google measures the improvement of a new search algorithm. There are many factors need to be considered, for example, accuracy, relevance, search depth etc. According to Amit Singhal...

   Google search,Algorithm, improvement     2013-09-29 23:25:53

  Difference between localhost and 127.0.0.1

Lots of people would think what the address 127.0.0.1 is when first seeing this address. In fact, 127.0.0.1 is a loopback address which refers to the local machine. It is generally used for local testing. When typing ping 127.0.0.1 on local command console, it will send network packets to local IP/TCP layer to test whether IP/TCP works properly or not.  To those who are used to use localhost, it is actually mapped to 127.0.0.1 by default. There are hosts files in the system which store this...

   LINUX,NETWORK,LOCALHOST,127.0.0.1,LOCALHOST VS 127.0.0.1     2018-09-29 22:11:12