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  TIOBE : No news today

TIOBE released the programming index for September 2012. There is no big change for this month compared to last month, the top 3 are still C, Java and Objective-C. In top 20, only Transact-SQL exchanged the position with VB.NET. Java shows trend of drop, will it be worse because of the ignorance of Java's vulnerabilities by Oracle. This index shows that the programing lnaguage market is quite normal, no big events. Except Objective-C, in recent years there are no other new languages which have b...

   TIOBE,Objective-C,Index     2012-09-05 07:36:07

  jQuery to check whether checkbox is checked

In Vanilla JavaScript, the correct way of checking whether a checkbox is checked is to get the property checked of the checkbox. Assuming there is an checkbox with id "checkbox1", below line will return true if the checkbox is checked while it will return false if the checkbox is unchecked: document.getElementById("checkbox1").checked In jQuery, there are a few ways to check this. The first one is to using the corresponding counterpart of the Vanilla JavaScript, it is to check the checked proper...

   jQuery,checked,checkbox,attr,prop     2015-07-25 08:49:54

  QScrollArea Scrollbar Display Solution

Qt framework is a popular C++ GUI framework developed by Nokia. And it is also cross platform compatible. Many developers are using Qt to develop C++ GUI programs. In Qt, some important components are deserved our close attention. Many developers faced the problem when they put some widgets in a QScrollArea widget and they want it to display scroll bars when the widgets inside the QScrollArea overflows. After many experiments, I propose a way which can show scroll bars as you expected. The...

   C++,Qt,GUI,QScrollBar,ScrollBar,Not display,Solution     2012-03-03 07:48:36

  Responsive Web Design

With the popularity of 3G, more and more people are surfing the Internet using mobile phones. Mobile devices are becoming common devices for accessing internet. So web design faces a big challenge which is how to display the same webpage on different devices with different screen  resolutions.Screen resolution of mobile device are usually not very large, the width is below 600px, while PC usually has a resolution over 1000px. It is not an easy task to display the same content with satisfyin...

   CSS,Web design,Layout,Response web design     2012-05-03 06:59:40

  10 notorious computer virus

The history of computer virus is the same as computer history. With more and more powerful computers, virus also are smarter and harder to be detected and killed. They have big impact on data security and system usability. We introduce 10 notorious computer virus in the history. 1. Creeper In 1971, the Creeper virus, an experimental self-replicating program, is written by Bob Thomas at BBN Technologies. Creeper infected DEC PDP-10 computers running the TENEX operating sy...

   Computer virus,History,Security     2013-07-16 21:09:22

  What will the value of Integer.valueOf(127) == Integer.valueOf(127) be in Java?

Do you really understand how Java does the integer comparison? OK, ignore the statements in the post title. What we are interested in is another set of comparison statements. Let's first see below code snippet. public class IntegerComparison { public static void main(String[] args) { Integer a = 127, b = 127; Integer c = 128, d = 128; System.out.println(a == b); System.out.println(c == d); } } What do you think the output will be? Are they both displaying true? You will find out t...

   JAVA,==,EQUALSTO     2018-01-13 22:18:15

  Chrome to block mixed content downloads in version 86

Google has announced its plan to block mixed content downloads in Chrome in February 2020 and now the day to block mixed content downloads is coming soon as we are nearing October when Chrome 86 is supposed to be released. What is mixed content downloads? According to Google, it is non-HTTPS downloads started on secure pages. For example, if you access a page called https://example.com/download, and in this page, there is a download link to http://download.example.com/something, ...

   CHROME,MIXED CONTENT DOWNLOADS     2020-09-18 21:10:53

  NativeScript-Vue 1.0 Is Finally Out!

After a year of hard work and dedication, NativeScript-Vue 1.0 is finally available in the market. For those who are new to NativeScript- Vue, it is all about a plugin that simply allows one to build native iOS and Android apps with the help of Vue.js. NativeScript-Vue 1.0 is ready for use in production! And it may quite interest you to know that blending of NativeScript and Vue makes it even easier when it comes to building mobile apps. This launch comes with a shiny new website and extensive d...

   JAVASCRIPT,HYBRID APP DEVELOPMENT,NATIVESCRIPT,VUE.JS,MOBILE APPLICATION     2018-02-26 00:14:03

  TIOBE : Objective-C overtakes C++

TIOBE recently released the programming community index for July. From the index,we can find that the biggest change is that Objective-C overtakes C++ as the 3rd most popular language among programmers. Because of the popularity of iPhone and iPad, Objective-C is used by more and more mobile developers who want to develop apps for Apple products. Also, many developers are willing to develop apps for Apple since they can gain more profit on Apple platform than on Android platform.C++ is mainly us...

   TIOBE,July,C++,Objective-C,overtake     2012-07-05 22:49:49

  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

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