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  Going Fullscreen with Canvas

As notes in the Release Notes, Firefox Aurora introduced the Fullscreen API. This means that it will appear in the release version of Firefox in about 3 months.This is one of several features that will be fantastic for games on the web. Other exciting APIs are theGamepad, Canvas, and Audio. Some of these APIs still need work to be suitable for real-time games, but it’s a great time to be involved in building games for the web.I wanted to try out the Fullscreen API so I...

   HTML5,Canvas,Full screen,2D,Drawing     2011-11-22 08:37:23

  Mozilla releases a web identity system : Persona

Now almost every website requires the user to register, there are many benefits of registration for a website, such as retaining users, accommodating discussions, providing customized content and so on.But there is too much trouble if each site requires registration, right?Of course, users can also have their own way, for those less important sites, for example, using a unified user name, password and email so that you only need to remember one account. Then, we also see some advanced methods em...

   Mozilla,Persona,Security,ID     2012-09-28 12:02:25

  Modal dialog in Java example code

In Java, we can create modal dialog so that the main JFrame cannot be operated on until the modal dialog is closed. To achieve this, we need to use one class in Java--JDialog. This class can be used to create an modal dialog.Example code : import javax.swing.JDialog; import javax.swing.JLabel; import javax.swing.JPanel; public class Dialog extends JDialog{ public Dialog(){ super(); JPanel panel=new JPanel(); panel.add(new JLabel("Hello dialog")); this.getCont...

   Java,Modal,JFrame,JDialog,Demo,Code     2011-08-18 09:50:27

  Is Java Set ordered or not?

“Is Java Set ordered or not? ” is the most popular question asked when you interview for a Java Developer position. Many fail to answer it, and I have to admit I was one of the many. I have known the answer is “Yes and No” for a long time. No. HashSet is not ordered. Yes.TreeSet is ordered. If the interviewer continues with some follow up questions, I’m not confident that I know the answer then. Why is TreeSet ordered? Are there any other ordered S...

   ORDER,SORTEDSET,HASHSET,JAVA     2021-02-11 06:55:00

  Remote form submission

Remote form submission is way of submitting HTML forms from local to a particular remote server. This is used by many advertisers, spammers or even hackers to submit bad data to other websites in order to get what they want. They can write some automation scripts to help them do spamming. How can people do remote form submission and how to prevent this kind of attacks? Since a website can be accessed by almost every one, so one can save a local copy of a HTML form of a website through File->S...

   PHP,Security,Remote form submission     2013-07-14 01:04:49

  WireGuard VPN: Setup WG_VPN client App on Android phone and connect to local WG_VPN server on VM

We will show the detail steps about how to setup the WireGuard VPN client on an Android phone/pad and configure the VPN client to connect a WG_VPN server in local network. The setup process contents three main steps: Install WireGuard and create a key-pair in WireGuard client. Add the Android client peer information in the WireGuard server’s config file. Config the Android WireGuard client to connect to the server. The test environment network configuration:  Step 1. Install Wire...

   WIREGUARD,VPN,TUTORIAL     2020-10-24 08:46:42

  Best Tips for a brilliant responsive design

Portability of mobile devices have made it easier for the users to access internet. Consequently , this has increased a lot of of mobile traffic and has given birth to new terms such a mCommerce. Now the point is that as we know that technology is ephemeral , will we keep on investing time and money every time a new gadget is launched? Indeed yes, because this is what market demands!  But what if I say a that there is a technology which is independent of the size of the devices or a technol...

   responsive, mobile     2015-07-01 01:25:37

  Google search engine algorithm change history

Recently, Google had a major adjustment on its search algorithm: Users can directly see answers to the searched question on the top of the page.There are billion of search requests each day on Google. There is no doubt that the algorithm will become the subject of discussion. Last year, Google did an adjustment to its search algorithm every 17.5 hours in average. We all experience the change of the algorithm. Following information chart summarizes the major changes of Google search algorit...

   Google,Search engine,History,Google+     2012-04-07 12:41:10

  Unknown system variable 'query_cache_size' in DbVisualizer while accessing MySQL

DbVisualizer is a very popular GUI application to view the data stored on a database. It supports various databases such as Oracle, MySQL etc. It relies on different database drivers to connect to the database server and access the data stored there.  In this post, we will try to solve one problem when accessing the latest MySQL database(8.0+) through DbVisualizer. MySQL database starting from 8.0 has lots of changes which may not be compatible with old version of software or libraries whic...

   MYSQL,MYSQL 8,DBVISUALIZER,QUERY_CACHE_SIZE     2018-06-30 03:48:17

  Microsoft’s “Picture Password”: A Breath Of Fresh Air On The Lock Screen, Of All Places

Remember that feeling you got back when Steve Jobs was unveiling the iPhone, and he did the “slide to unlock” gesture for the first time? I remember the way he said it – “You like that? Want to see it again?” Since then I haven’t seen a lock screen interface that has made me feel that same “how obvious, how elegant!” feeling – until today at the NVIDIA press conference, and later at the Microsoft keynote here at CES. It sounds a little silly...

   Microsoft,Windows 8,Picture Password,CES     2012-01-10 06:55:28

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