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  YouTube video player control bar becomes transparent

YouTube has made an update on its video player control bar and made it general available to the public now. The update is to make the video player control bar transparent and float on top of the videos being played. There are no functional changes about this control bar.  The original control bar is black but not transparent. After the update, the control bar looks like: YouTube started to test this new change back in April 2015. At that time, it was tested in a small scale and only a sma...

   YouTube,Video Player,HTML 5, Transparent     2015-08-04 05:14:42

  A Python assignment trap

Python has no assignment, it only has reference. Assume, we have following code snippet: >>> values = [0, 1, 2] >>> values[1] = values >>> values [0, [...], 2] Why the result is not [0, [0, 1, 2], 2], instead it goes into an infinite loop? To understand this, we need to understand some basics about Python. Python has no variables, it only has labels. When we run: values = [0, 1, 2] Python will first create a list object [0,1,2], then it labels it as values. If we later...

   Python,Assignment,Trap,Shallow copy     2013-07-19 22:08:36

  20 cool jQuery countdown scripts and plugins

Have you ever seen the count down component of Apple before its app downloads reached 50 billion times? It's really cool. On a website, we often need to have a count down function, for example, when a e-commerce site initiates some promotions or some organizations want to start an event. In this post, we introduce some cool jQuery countdown scripts and plugins. Circular Countdown jQuery Plugin MORE INFO / DEMO Coconut – Jquery Countdown Plugin - MORE INFO / DEMO ...

   jQuery,countdown,plugin     2013-09-01 22:07:57

  6 amazing HTML5 animation effects

HTML5 is rapidly developed in WEB world, it puts all kinds of pressure to browser development, but at the same time it also brings us lots of unexpected page effects. If we can use some HTML5 elements on our web apps,  we may get different user experience. However, for HTML5, there are lots of places need to improved. The following HTML5 animation effects are very attractive. 1. HTML5 mouseover image effect This HTML5 animation effect can be used in photo gallery, users can preview the...

   HTML5,Animation     2012-11-20 10:32:52

  Recover deleted file in Linux EXT3 file system

Environment : CentOS 5.3 x86_64, /dev/sdb1 is the data segment /data0. EXT3 file system. Problem : /data0/tcsql/cankao/phpcws-1.5.0/httpcws.cpp is deleted mistakenly and httpcws.cpp is not backed up. It will take much time to rewrite this program again. So we must recover it back. debugfs is feasible in EXT2 file system, but in EXT3 file system, it's not very useful. There is one open source software called ext3grep which can help us recover deleted file in EXT3 file system. The recovery steps a...

   Linux,EXT3,File recovery     2013-08-16 07:06:45

  Innovation Works CEO Kai-Fu Lee is diagnosed with cancer

Innovation Works CEO Kai-Fu Lee is diagnosed with lymph cancer. He posted one weibo(Chinese version of Tweet) which indicates that his health in a bad condition at 10:17pm on 5 September Beijing time.   Later Innovation Works spokesman Zhaohui Wang confirmed this news. And Mr Lee is currently receiving treatment following doctor's instructions. But now we still don't know how severe it is. Post Mr Lee's weibo, many Chinese netizens expressed their concerns for his health and wished hi...

   Kai-Fu Lee,Cancer,Innovation works     2013-09-05 10:57:39

  5 good anti SOPA designs

The Stop Online Piracy Act (SOPA) is a United States bill to expand the ability of U.S. law enforcement to combat online copyright infringement and online trafficking in counterfeit goods. Its goal is to protect the intellectual-property market and corresponding industry, jobs and revenue. However since its proposal, many organizations protest against it as they believed it would threaten free speech and innovation, and enable law enforcement to block access to entire internet domains due t...

   SOPA,PIPA,design     2013-12-24 03:26:31

  Oracle database to execute multiple statements at command line

Oracle database is now a mature and popular RDBMS which is used by lots of enterprises. With its evolution, many utilities and applications are developed around it as well. Now Oracle database also provides cloud support. As a DBA, managing Oracle database is daily routine work and some tools may be used frequently. One of them is sqlplus, the command line tool for executing SQL command. sqlplus is installed while the Oracle database is installed. To start sqlplus, one just needs to open a termi...

   ORACLE,ORACLE DATABASE,SQLPLUS     2016-12-09 20:11:28

  Use Memory Analyzer Tool in Eclipse

When developing applications, we often encounter memory issues of an application. To analyze how much memory each class takes, we need to have some specific tools to assist us. One of them is Memory Analyzer Tool on Eclipse. The Eclipse Memory Analyzer is a fast and feature-rich Java heap analyzer that helps you find memory leaks and reduce memory consumption. To use the Memory Analyzer Tool, you first need to install it on Eclipse. You can go to Help -> Install New Software.... Paste  h...

   Memory analyzer tool, Eclipse,heap dump, HPROF     2014-10-28 07:22:35

  Failed merge and acquisition cases in the Internet history

Bebo founder sold Bebo with 850 million US dollars in 2008, but later he bought it back with just 1 million US dollars. This news lets us think about those failed merge and acquisition cases in Internet history. Let's summarize some of them here. 1. Bebo Buyer : AOL Acquisition price : 650 million US dollars Sold price : 1 million US dollars Loss: 849 million US dollars In 2008, AOL was still belong to Time Warner. It made a decision to acquire the third largest social networking site Bebo, The...

   Merge and acquisition,Loss,MySpace     2013-07-03 08:37:13

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