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  Do we need other languages other than C and C++?


There were hundreds of or thousands of programming languages created since the invention of computer. All these languages have the same target which is to make the computer do what we want it do. So we may find that many languages have the same functions, i.e, one task can be completed by one language can be completed by another language as well. Now we may wonder why we need so many different languages. Can we just have C or C++ since they provide the best performance we need. The answer obviou...

   programming language,C,Erlang     2014-06-14 19:39:40


  The significance of coding competition to actual work


Some friends asked this question: In secondary schools we participate in the NOI, in university we participate in ACM/ICPC, TopCoder.What's the significance of coding competition to actual work? I participated in the NOI from 1994 to 1996, ACM/ICPC from 1999 to 2000 and TopCoder in 2002 for six months. Later I paid little attention to coding competition, so I may not understand the changes in recent years and race mode . The capabilities we can get by participating the competition can be summari...

   ACM,Programming,Facebook,TopCoder     2013-02-28 20:38:23


  Different ways to print "Hello world" in Java


This post is not about best practice to print "Hello world" in Java, it is about exploring different capabilities offered by Java. Also there are articles about printing "Hello world" in different programming languages, but this post is not about that. Standard literal The most commonly used way is to use System.out to print"Hello world". System.out.println("Hello world"); Enumeration An enumeration can define a set of values belonging to one category. For example, an enumeration for all months ...

   JAVA,FEATURE     2016-05-21 21:49:48


  What to put on whiteboard during an interview


As a programmer, you may go through different kinds of programming tests from the interviews. The most famous and difficult one is whiteboard test. Usually the interviewer will give the candidate an algorithm problem and ask the candidate to implement the algorithm with his/her favorite programming language. The codes to be written is not too much but it requires the candidate to thoroughly consider different edge cases. So what are the interview expects to see on the whiteboard when giving an i...

   whiteboard test,interview     2014-08-29 20:34:52


  Can Your Programming Language Do This?


One day, you're browsing through your code, and you notice two big blocks that look almost exactly the same. In fact, they're exactly the same, except that one block refers to "Spaghetti" and one block refers to "Chocolate Moose." // A trivial example: alert("I'd like some Spaghetti!"); alert("I'd like some Chocolate Moose!"); These examples happen to be in JavaScript, but even if you don't know JavaScript, you should be able to follow along. The repeated code looks wrong, ...

   Programming,Maintainability,Reusable     2011-05-31 07:42:41


  Before Python


This morning I had a chat with the students at Google's CAPE program. Since I wrote up what I wanted to say I figured I might as well blog it here. Warning: this is pretty unedited (or else it would never be published :-). I'm posting it in my "personal" blog instead of the "Python history" blog because it mostly touches on my career before Python. Here goes.Have you ever written a computer program? Using which language?HTMLJavascriptJavaPythonC++COther - which?[It turned out the students ha...

   Python,History,Programming language,B     2012-01-18 08:08:53


  If a programming language was a boat…


我是受最近的一个论坛帖子启发,他的想法至今仍让我感到奇特。Turing(图灵)Turing绝对是一个双人皮划艇(感谢评论里的提醒)。它很小。人力的。它通常被当作初学者的”船“。而且它非常的加拿大。Original photo by naokomcJavaJava是一个大货船。体积笨重。适合大商业。载重量很大。但驾驶起来没多大趣味。Original photo by cfarivarPerlPerl是一个拖船。马力可以和Java叫板。Original p...

   Programming,Turing,C,C#     2011-06-24 01:07:42


  I'm Retiring from PHP


I am retiring from PHP as my language of choice for personal side projects and new programming ventures. This was not an easy decision to come to, but one that I think is necessary for my love of programming to continue. You see, I'm not only a programmer because I love programming, but because I can not do anything else. History It all started in 1999 when I was in 8th grade. The Internet was really starting to get interesting and I wanted to start programming. I had picked up...

   PHP,Scala,Programming,Language     2011-06-27 07:36:25


  Polymorphism in OOP programming


Polymorphism is the capability of an action or method to do different things based on the object that it is acting upon. This is the third basic principle of object oriented programming. Overloading, overriding and dynamic method binding are three types of polymorphism. Overloaded methods are methods with the same name signature but either a different number of parameters or different types in the parameter list. For example 'spinning' a num...

   Java,OOP,Polymorphism,Overloading,Overri     2014-10-23 08:11:50


  On Programming Deadlines


There are a lot of differences between programming, and programming professionally. The most notorious of which, is deadlines.DeadlinesWhen you're writing code for yourself, you can spend as much (or as little time) on it as you please--but when you're writing code for other people, you've got only a limited amount of time and resources to get the job done. In my experience, this typically leads to one of two situations:You've got to extend the deadline to finish the job properly.You've got to w...

   Programming,Deadline,Transparent,Test,TODO     2011-11-01 07:10:21