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  How small should a function be?

"The well-designed functions are often relatively small, large function design is often a mess or there is a lot of room for optimization."Maybe you think there is no need to discuss the size of functions, because the nature of the function design is cohesive, its size is only its manifestations. But it is necessary to discuss about the size of function because the statement above .First let's understand the concept of minimum code processing unit : a basic operation (assignment, comparison, etc...

   Function size,Optimization     2012-12-18 13:58:07

  World leaders who know how to code

World leaders are those people who have extraordinary speaking skills and are a group of very busy people in most people's impression. But among them, there are a few who know how to program as well. Today we are going to summarize some of them. Lee Hsien Loong -- Singapore Prime Minister Lee Hsien Loong, Singapore Prime Minister posted a C++ program about Sudoku which he wrote several years ago. He shared the source code on Google Drive as well.  In 1971, Mr. Lee studied Mathema...

   World leader, Coding, Programming     2015-08-02 05:56:20

  The 9 lines of code of Google

Are you still remembering the then hot debated news about Oracle suing Google allegedly copying a small portion of codes from Oracle's Java in 2010. At that time, Oracle experts estimated that Google owes Oracle between $1.4 billion and $6 billion in damages if liable. But the court thought Oracle was eligible only for statutory damages for that copying, which were not expected to exceed a few hundred thousand dollars. At last, Oracle agreed the zero damage result. Are you curious about whi...

   Google,Java,Open source     2014-08-15 20:29:52

  10 design flaws of JavaScript

JavaScript's design took only ten days. Moreover, the designer didn't want to design it initially, he just wanted to complete the task assigned by company. It is now a very powerful client side programming language used in almost all the websites. It's an excellent language, but it also has some flaws. 1. Not suitable for large projects JavaScript doesn't have namespace, it's hard to be modular, there is no standard for putting codes in multiple source files. It allows defining functions with th...

   JavaScript, Design flaw, Object     2012-11-29 11:39:35

  3 preconditions for Facebook to enter China

It's well known that Mark Zuckerberg has a big interest in the Chinese market. Recently, the founder of Facebook visited China to attend a development forum held by the Chinese government. Along with the trip, he also paid a trip to some famous places in Beijing such as The Great Wall. He even did a morning run in front of the Tian'an men Square, the symbol of China.  In past few years, Zuckerberg also learned Chinese and read Chinese books, showed his love to the Chinese culture....

   FACEBOOK,CHINA,MARK ZUCKERBERG     2016-03-25 01:32:51

  Canonicalize XML in Java

XML canonicalization is often used when there is need to create digital signature to be sent to peers for verification. Since digital signature is created based on XML data, the XML data has to be canonicalized before its signature value can be calculated. Even an extra space may affect the signature value calculated, hence it must follow some rules to canonicalize the XML data so that it has a standard format. This is why W3C created specification Canonical XML Version 1.1. This specificat...

   JAVA,XML,JAVA SECURITY     2016-01-20 01:39:45

  Sort an array with only one local variable

Array sorting algorithm question is frequently asked during technical interviews. There are lots of sort algorithms including bubble sort, selection sort, insertion sort, quick sort, merge sort etc. Usually interviewees will be asked to implement sort algorithms. But have you ever been asked to sort an array which you are allowed to define ONLY ONE local variable in your algorithm?  Bubble sort can be used to do this actually. Normally a bubble sort algorithm may need three local ...

   JAVASCRIPT,ALGORITHM,SORTING,BUBBLE SORT     2016-10-07 09:46:49

  An easy way to log client side information to server

JavaScript debug is a very troublesome thing in web application development. Because many web browsers will not notify you if there is any error in the JavaScript codes you write. They just silently fail and block the following codes execution. In order to debug JavaScript codes, we need a good log mechanism which will help us log the error information,, we often need to log errors in JavaScript codes to server for debug purpose in a production web application, What should we do? The first ...

   JavaScript log, Ajax,Image,Debug     2012-12-30 09:16:50

  Qualities of a great business presentation

When it comes to business, every day in the industry is spent trying to convince someone into buying your brand, your product or services, no doubt you will find yourself making a lot of pitches and presentations for new products, partners and stakeholders among other things. Having great presentation skills is essential to running a successful business and getting as many people believing in your brand as possible. Great presentations have the following qualities Killer slides PowerPoint slides...

       2015-12-03 23:58:41

  Do designers need code?

So many problems in software occur because programmers and designers don't communicate well all the time. Why don't more designers learn to code themselves or have engineers build abstractions better suited to them? People's minds work in different ways, they can process thoughts differently, solve problems in completely different but equally valid ways. It's a mistake to assume everyone should possess the same skill set.  Also not everyone should be a full stack engineer although full stac...

   Design,Coding     2014-01-07 06:22:52

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