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  Three images to understand immutability of String in Java

String is immutable in Java. This means once a String object is created and instantiated, that object cannot be changed. Any operation on the String object will create a new Object instead of operating on the original content. Below are three images to help you understand String immutability in Java. Declare a String String s = "abcd"; s stores the reference to the string content created in the heap. Assign the String reference to another String variable String s2 = s; s2 stores the same ...

   STRING,JAVA     2016-03-11 20:58:28

  HTTP Server development resource summary

This article summarizes some materials, articles and books I used when learning HTTP Server development. Hope this will help you. RFC and standard documents RFC2616 – Hypertext Transfer Protocol — HTTP/1.1 HTTP protocol standard document, it's an essential reference document for all personnel engaged in the development of the HTTP-related projects, careful study is recommended. RFC793 – TRANSMISSION CONTROL PROTOCOL TCP Protocol standard document The WWW Common Gateway Interfac...

   HTTP Server,Book,Article     2012-09-25 22:46:56

  Why using anchors as buttons sucks

So let's say you're an awesome web developer making an awesome web app. One day, you add a link in the web app that has an event handler instead of an href. Testing it, you realize that your cursor doesn't change when hovering over it, unlike a normal link. You think for a minute and then give it a cursor:pointer style, which fixes the issue. You are happy.The next day, QA informs you that the link cannot be tabbed to. Confused, you do some research and find a solution to the problem: Sim...

   Anchor,Button,Link,Sucks     2012-02-05 07:22:39

  Learning Ruby and Ruby vs Lisp

The company I work for has a lot of legacy Ruby code, and as Ruby has become kind of a mainstream language, I decided to get a book about it and learn how it works. As my learning resource, I chose The Ruby Programming language by David Flanagan and Yukihiro Matsumoto as that receives great customer reviews, covers Ruby 1.8.7 and 1.9 and is authoritative because the language creator is one of the authors. The book makes a good read in general. There are plen...

   Ruby,Feature,Functional,OOP,Lisp,Difference     2011-12-12 07:42:01

  Introducing the for-if anti-pattern

Over the years, I've seen a bunch of coding anti-patterns. I figured maybe I'll share a few. Today, I'll introduce what I'm calling the for-if anti-pattern, also known as "We'll sell you the whole seat, but you'll only need the edge." This is a special case of the for-case anti-pattern, where all but one of the cases is null. for (int i = 0; i < 100; i++) { if (i == 42) { do_something(i); } } This can naturally be simplified to do_something(42); The for-if anti-pattern arises in ma...

   Programming,Anti-pattern,for-if,efficiency     2012-02-02 10:18:15

  noConflict mechanism in jQuery

Many JavaScript frameworks like to use $ as function or variable name, jQuery is one of them. In jQuery, $ is just a reference to window.jQuery, so even if $ is deleted, window.jQuery will still be available to ensure the whole library can work normally. jQuery API design takes fully consideration of multiple frameworks conflicts, we can use jQuery.noConflict function to easily handle control. jQuery.noConflict accepts one optional boolean parameter[1] to determine whether to hand jQuery object ...

   jQuery,noConflict,$     2013-03-14 19:40:36

  6 cool 3D effect websites

As an unique website design style, 3D effect design will bring the visitors of a website visual impact. Today we share with you 6 cool 3D effect website designs.1. Angry bird workspaceAbsolute funny website design, you can see a random bird move as you mouse moves.2. The story of SendA cool 3D design from Google, you can see a moving Gmail icon transmit along a wire.3. 2BrandA sliding effect 3D homepage, you can see floating cloud and bubbles.4. The Amazing Spider-ManSpider man game website, v...

   3D,effect, web design     2012-06-27 04:09:31

  What does a Bing driven Siri mean to Google?

On Tuesday, Apple announced that Bing would become the default search engine of the upcoming iOS 7. This is another Google service kicked out by Apple after Youtube and Google Maps.For Siri: if the default system of Siri can not answer your question, it will try to search the Internet. Currently, Siri connects to the Safari browser by default, and Safari's primary search engine is Google (Can change to Yahoo or Bing). But in iOS 7, Siri's default search engine will be replaced by Bing. Siri will...

   Siri,Bing,Google     2013-06-12 00:20:34

  Why programmers work at night

A popular saying goes that Programmers are machines that turn caffeine into code. And sure enough, ask a random programmer when they do their best work and there’s a high chance they will admit to a lot of late nights. Some earlier, some later. A popular trend is to get up at 4am and get some work done before the day’s craziness begins. Others like going to bed at 4am. At the gist of all this is avoiding distractions. But you could just lock the door, what’s so special a...

   Programmer,Sleep,Later,Efficiency,Habit     2011-12-16 10:13:27

  The Balanced Developer

In preparation for a recent team offsite, I spent some time thinking about what I hold dear as a software developer. One idea I kept coming back to is the notion of balance. I see balance manifesting itself several ways in the work of a successful developer, some of which follow.Speed Versus QualityThe most obvious example is the balance of development speed and quality. When building software, it’s never a good idea to write code as fast as possible without any attention toward maintaina...

   Balance,Software,Development,Speed,Quality     2011-11-15 03:02:19

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