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  Create animated refresh button in Android

In Android, we can have drawings on a button, also we can put animated drawings on a button as well. Today we will show how to create an animated refresh button with an animated spinner on it. We need to create an animated drawing first. Here we name it as progress.xml and put it in the res/drawable folder: <?xml version="1.0" encoding="utf-8"?><animation-list xmlns:android="http://schemas.android.com/apk/res/android"    android:id="@+id/spin_refresh" android:oneshot="fal...

   Animation,Spinner,Refresh button,Android     2012-11-02 11:51:41

  How to optimize MySQL insert statement

For a big data system, one problem is the data access efficiency, one more problem is that the data insertion is very slow. We had a service system, the data loading process would take 4-5 hours. This time consuming operation is risky since if the program is interrupted during the loading process, it might be rerun, this will be troublesome. So it's necessary to improve the insertion efficiency for big data systems. Here we provide two optimization suggestions. 1. Combine multiple insert stateme...

   MySQL,insert,optimization     2012-10-24 22:03:13

  A crazy interview experience

How to be outstanding and get the offer after a job interview? Besides the strong technical background, we may still need some other skills such as how to ask questions during interview. Sometimes you may even do some crazy things. There is one question on Quora which is "What's the craziest thing you ever said (or did) at an interview and still got the job?". Among the answers, one answer is worth to be mentioned, the answer is from Stan Hanks and his answer is liked by 3859 people(As this arti...

   Quora,Interview,Strategy     2013-05-08 05:53:54

  Cool things you can do with iPhone

Nowadays smart phones have plenty of cool features you can get to know without reading the manuals. But do you know there are some useful but less well known features which can ease our life? In this post, we will share with you some cool features on iPhone. If you have an iPhone with, go and get a try. 1. Use Google Map as free GPS While traveling abroad, you can use Google Maps as a free GPS without an international data plan by making use of it's hidden offline maps feature.You can use this f...

   iPhone,Feature     2013-10-05 07:28:07

  6 Reasons Why Devs Should Learn Ruby on Rails

Ruby on Rails has during the last ten years become an increasingly popular framework for web app development. The current shaky economy and rapidly changing tech environment requires the art of app building to be faster and more cost-effective. That's why becoming fluent in Rails might be a great way for developers to expand their knowledge, which can land them a number of great jobs or interesting projects, as well as grant access to a thriving community. Let's start with the basics – wha...

   Ruby on Rails,Advantage     2014-07-25 10:56:29

  Do We Really Need Wi-Fi in Schools?

Why do I think Wi-Fi is needed in schools? Times have changed.  We need to adapt to the changes. I believe the internet is probably the most important tool available today. The world- wide web contains information about anything you could possibly want or need to know.  It allows an even playing field for people who don’t have the information and knowledge to be able to get it. Students today are the future.  They need to be able to access as much knowledge as possible to be...

   SCHOOL,WIFI,EDUCATION,COMPUTERS     2018-11-13 18:13:27

  Groupon share price grows by 23% because of Google

There have been rumors that Google will acquire Groupon. This rumor makes Groupon's share price soar 23% in three weeks.Groupon's share price closed at $4.69 yesterday, which is Groupon's highest price since October 19. Since November 2011 IPO, Groupon's share price dropped 77%.Telsey Advisory Group analyst Tom Forte said Groupon's market capitalization shrunk to $3.07 billion, It's possible that Google may choose to acquire Groupon at this time. In fact, after there was news that Google was con...

   Groupon, Google, acquisition     2012-12-08 04:02:28

  Facebook appoints former Google engineer to improve its search function

Facebook has set up a new team to improve its search products, the team leader is Lars Rasmussen who was a former Google engineer..The team consists of more than 20 engineers which is led by Rasmussen. The main efforts are to achieve easier sorting for contents which are created by users on Facebook . This will help Facebook be a more powerful search engine, which not only allows the user to stay longer on Facebook, but also helps Facebook make more profits by selling keyword ads like ...

   Facebook,Search engine,Google,Like     2012-03-30 11:33:28

  Is Facebook developing RSS reader?

According to Sina Tech, on Thursday developer Tom Waddington said that he found some strings like "RSS feeds" in Facebook codes, it means that Facebook may launch its own RSS reader.Google announced in March this year that they would close its RSS subscription service Google Reader on July 1 mainly because its use had constantly declined in the past few years. Subsequently, many companies competing to launch Google Reader alternatives. Waddington believes that this time Facebook will also join t...

   Facebook,RSS reader     2013-06-14 12:41:11

  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

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