SEARCH KEYWORD -- SYSTEM DESIGN


  Should we use Abstract class or Interface?

When we write programs, we may often get into a situation where we don't know whether we should use Abstract class or Interface when we want to define an abstract object. These two are very similar and they are interchangeable in many cases. On Stackoverflow, this question is asked lots of times and it's related to many programming languages. Also in the official documentation of PHP regarding the Abstract class and Interface, people are arguing about this. To understand this question, their dif...

   DIFFERENCE,INTERFACE,ABSTRACT CLASS,COMPARISON,OOP     2013-04-15 11:44:36

  The difference between System.load and System.loadLibrary in Java

When writing code using native library in Java, normally the first step is loading some native library. static{ 　　System.load("D:" + File.separator + "Hello.dll"); } JDK provides two ways to load libraries: System.load(String filename) System.loadLibrary(String libname) This post will try to explain the differences of these two ways. According to Java Doc on System.load(), it has below description. Loads the native library specified by the filename argument. The filename a...

   NATIVE,JNI,JAVA,SYSTEM.LOAD,SYSTEM.LOADLIBRARY     2019-02-05 05:49:28

  Different module types in Java 9

Java 9 is going to introduce a disruptive change to the Java platform -- Module System. The module system will change how Java applications work in the future. It's like changing the foundation of a house without impacting the house functionality and its top level structure. This obviously is a big challenge for the whole Java community.  To bring as little pain as possible to migrate existing applications to Java 9 without refactoring the whole application, Java 9 will introduce a few diff...

   JAVA,JAVA 9,JIGSAW,MODULE SYSTEM,UNNAMED MODULE,AUTOMATIC MODULE,NAMED MODULE     2016-04-15 07:15:23

  Lots of Chinese users experienced Samsung phone crashes

Starting from 23 May morning(Beijing time), lots of Samsung phone users in China suddenly experienced system crashes and couldn't use the phone anymore.   The symptoms the users saw were that the phone started to restart infinitely and the screen turned into dark screen and nothing can be done to get it recovered. Based on the reports, the impacted models include Samsung Galaxy S8, S9, S10 and S20 series,  Other models don't receive many reports yet. After receiving the reports,...

   SAMSUNG,SAMSUNG GALAXY,SYSTEM CRASH,AUTO UPDATE,NEWS     2020-05-23 05:23:55

  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

  Essential Features Every Magento Website Should Have

Regarding magento website development, making sure your e-commerce system has the necessary capabilities can greatly improve user experience and operational effectiveness. These are the very necessary tools for a strong Magento website. 1. Mobile-responsive design Crucially in the mobile-first world of today, a mobile-responsive design guarantees your website runs perfectly across all devices. This increases search engine optimization in addition to user experience. 2. Navigating User-friendlin...

   WEB DEVELOPMENT,MAGENTO     2024-07-26 01:41:26

  3 ways to remove duplicates in List

Frequently, we may have an ArrayList which stores many values, and we need to process the ArrayList and get what are the distinct values in the list, or we may want to count occurrence of each value in the ArrayList. We can remove the duplicates in a few ways. Here we propose 3 methods :     public static void main(String[] args){        //SuperClass sub=new SubClass();                String[...

   Java,List,Duplicate,Clear     2012-09-03 09:44:32

  Let 's write some front end codes

I've seen a lot of arguments that there is no much technical value writing web portal, I think that the vast majority of good programmers will try many different things. The low level development and machine learning are not the only technologies which are  full of wisdom and challenges, I wrote web site for a few years, it is difficult to say that this is my initial interest, although I touched on other technologies as well, I still feel building website is challenging. Front end developme...

   Front end development, JavaScript,CSS     2013-01-22 04:00:24

  Noteworthy Aspects of PSD to Markup Conversion

Are you a great designer but can't code to turn your pixel-perfect design into a mark-up language? You will certainly begin scrolling the web to seek out an expert PSD to mark-up conversion service provider. But before venturing out for a credible service partner, it's very important to decide the right platform for your website. Especially, when you're thinking about converting your photoshop document into a CMS (content management system), you will get a plenty of choices. However, WordPress, ...

   PSD to WordPress, Convert PSD to Wordpress, Convert PSD to Wordpress Theme, PSD to Wordpress Service     2014-08-04 08:46:36

  Sites to go if you want to learn web development

Before you start to do web development, either for a hobby or for your start up project, you should be prepared for learning many different technologies including both front end and back end. You may need to deal with UI design, business logic design, data store and infrastructure setup etc. This seems a very complex. Indeed, if you know where you should go, the  it's actually not so hard. Here are some sites you should go when you face issues while you are doing web development. These site...

   Web development,Resource,Site     2013-09-19 08:12:23

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