SEARCH KEYWORD -- GOOGLE UPDATE


  The first 30 tweets on Twitter

Six years ago, we didn't know what a tweet was. But now, there are 340 million tweets posted every day. Looking back, do you know what are the earliest tweets on Twitter when it was released? Let's check them out. Before that, let's check Twitter's background first. Six years ago, Twitter was called twttr (similar to Flickr), the earliest version was similar to an SMS broadcast service, i.e sending short message to friends to tell them what I am doing. It was put online on 22nd October, 2006, J...

   Twitter,history,story     2012-10-11 20:03:22

  Android 4.0+ occupies quarter of Android market

Google updates its developer page about Android platform version market share. From the latest data, we can find Android 4.0 and above system occupy around 25% of all Android market. But Android 2.3 Gingerbread still occupies over 50% of Android market. From the above chart, Android 4.0 has 23.7% market share, the latest Android 4.1 JellyBean takes 1.8%, these two have 25.5% market share in total. But Android 2.3 Gingerbread alone still dominates the Android market, it takes 55.8% market share....

   Google,Android,Share     2012-10-02 19:22:19

  VirtualBox Q&A(Host OS: Windows; Guest OS: Ubuntu)

This is a Q&A post after sharing Guide for installing Ubuntu in VirtualBox on Windows 1. If the resolution of the installed guest OS on the VirtualBox is too small(For example 640x480) and you cannot adjust it through System Settings -> Display, what should you do? A: In this case, it is mostly probably you don't have the VirtualBox Guest Additions installed. You can install the Guest Additions on your guest OS by: sudo apt-get install virtualbox-guest-dkms Then restart the VM and you wil...

   VIRTUALBOX,HOST ONLY,RESOLUTION,Q&A,STATIC IP     2016-08-12 04:24:40

  Differences between bashrc and profile in Linux

After login to a Linux system, the command console will show up with a prompt label such as # or ~, a shell command can be typed after this prompt and the system can execute the command thereafter. All these operations are handled by shell. Shell is a command language interpreter that executes commands read from the standard input device (keyboard) or from a file. There are different types of shells such as bash, ksh, csh etc. The most commonly used of them is bash and it's also the de...

   LINUX,PROFILE,BASH,BASHRC,.BASHRC,.PROFILE     2016-11-05 22:17:51

  A handbook on the first day of joining a new internet company as BE engineer

When joining a new internet company, there might be lots of things need to be done to get ready for taking new challenges. These include both culture and tech preparation. in this post, we would focus on how to prepare the first day technically. The first thing to do is to get your laptop or your work machine up, these involves lots of tool setup and accesses. Normally there are three major task categories. Access As an engineer, there are lots of accesses needed to access different resources wi...

   TIPS,CAREER ADVICE,ONBOARDING     2021-12-11 21:32:10

  Windows 8.1 will be released on October 18

According to TheVerge, Microsoft Windows 8.1 will be released on October 18. Windows 8 users can download the free update on Windows Store one day before the release date, There will be a formal release press on October 18. In next few weeks, Windows 8 RTM will be open to PC manufacturers and partners. In this year's WPC, Microsoft demonstrated their latest Windows 8.1 on various devices most of the time, including the 8-inch Tablet PC, laptops, desktops and even streamed content from PC to Xbo...

   Windows 8.1,Release date     2013-08-14 11:49:09

  Nielsen : Google ranks No.1 web brand

Nielsen released the 2012 digital industry rankings report, The report said Google continued to rank No.1. for web brand From January 2012 to October 2012, the average monthly unique visitors reached 172 million. Followed by Facebook which has 153 million average monthly unique visitors. In 2012, the online video service continues to grow, YouTube is still the largest online video site, an average annual 132 million unique visitors. Top 10 U.S. Web Brands of 2012 For the details of other ranks ...

   Nielsen, Web brand,2012     2012-12-22 10:02:05

  Many Chinese applicants to US universities may be affected by Gmail cut out

Just after Christmas, many Chinese found that they could not connect to Gmail anymore in mainland China. Since Google announced leaving from China in 2010, the web version of Gmail was not accessible anymore. But people from China could still access Gmail through some Gmap apps. This time, Gmail is not accessible even with these apps. It is said that all the mail service protocols of Gmail including IMAP/POP/SMTP have been cut out by Chinese government. This means no mails can be sent to or rece...

   Gmail, China, Gmail cut out     2014-12-30 00:35:28

  What is cache penetration, cache breakdown and cache avalanche?

When designing and developing highly available system, cache is an very important consideration. It is useful to cache some frequently accessed data so that they can be accessed quickly and also cache can protect the downstream system like DB from being hit too often.  To provide better cache design in large systems, some problems may need to be considered first. In this post, we will talk about some frequently discussed cache problems and mitigation plans. Cache penetration Cache penetrati...

   SYSTEM DESIGN,CACHE PENETRATION,CACHE BREAKDOWN,CACHE AVALANCHE     2020-04-10 08:43:00

  CSS and HTML5 responsive images

With the popularity of Retina screen, the requirement of the images in the webpages is higher. How to make sure the image still clear while enlarging twice on retina screen? This brings much trouble to web developers, the good news is CSS3 and HTML5 is trying to change this, we can use response image. What is responsive image? It means user agent loads different images according to different resolutions of output devices, it will not waste bandwidth as well. In addition, it can load respective ...

   CSS3, HTML5,image-set,responsive image     2013-03-10 03:30:07

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