seven languages in seven weeks

From: http://www.diybl.com/course/3_program/java/javajs/20081124/152528.html What are compilation languages, explanatory languages, and scripting languages?Computers cannot directly understand high-level languages, but can only directly understand machine languages. Therefor

the language does not need to compile, save the process, the explanatory language is translated when running the program, such as the explanatory Basic language, there is a special interpreter can directly execute the BASIC program, each statement is executed when the translation ; Such explanatory language should be translated once every time it is executed, and the efficiency is lower; (only translate when running the program, once per execution, translate once) (low efficiency)5. Scripting

Reply content:Before you write JavaScript, listen to people say that you don't have to ignore the variable type, just use it. Then various into the pits. Clearly is the distinction of good, but only the language is not obvious, plus some less intelligent type automatic conversion. Weakly typed languages are really good for getting started, but you can't ignore variable types if you want to be proficient. In addition, if the problem can be solved outsi

This article is a computer class of high-quality pre-sale recommendation >>>> "Seven weeks seven web development framework"Continuation of bestseller seven weeks Seven languages seven weeks seven database style and styles learn the most popular web development framework: Sinatra, Canjs, AngularJS, Ring, Webmachine, Yes

Program languages can be divided into five categories 1. Web page script ages Webpage code, such as HTML, JavaScript, CSS, ASP, PHP, and XML, should all belong to this class (according to Cai's meaning, HTML should not belong to anguages, maybe he thinks it is too simple, but I think HTML should also be counted. It doesn't matter who you like to listen) 2. interpreted languages (interpreted language) Includ

language.Java programming ExercisesFinally, a Web site for practice programming, which focuses on Java, has answers to every exercise. Practical exercises are very important, especially in languages like Java, which cannot be mastered at the outset.There are a total of 30 exercises, if you encounter a problem, you can take a moment to see, perhaps the time to find solutions.10 ways to learn JavaThis article may not be the same as the one I introduced

Author: (US) Eric Redmond Translator: Wang Haipeng Tian siyuan Wang Chen Press: People's post and telecommunications Press ISBN: 9787115312242 Release Date: June 2013: 16 open pages: 256 versions: Classification of 1-1: Computer> database> more about "," seven weeks and seven databases, the data we need to face and use is becoming increasingly large and complex. If data is new oil. Then the database is the oil field, refinery, drilling and oil pump. A

I personally think that dynamic languages like Ruby are much simpler. I personally think that dynamic languages like Ruby are much simpler. Reply content: I don't think it should be static or dynamic, but strong or weak. A strong type is less prone to errors than a weak type, while a weak type only saves some code. Both python and php are dynamic languages, but

Suggestions for other languages to learn JavaWeb, and other languages to learn javaweb I. I am studying at work. Sometimes my project is busy for a while. What are some good tips for forgetting quickly? For the above questions, other languages want to learn Java You just need to go back and check it out. Write the code when you have time.Because the language is f

The development of computer has promoted the emergence of a new profession. programmers have appeared in recent years and have gained a wide range of attention. I believe this is also the dream of many new students. But there are also many types of programmers, not every programmer can be proficient in all programming languages. The so-called specialization in the industry. If you are interested in the programming world in the future, you should pay a

Determine whether the device is a mobile phone device in various languages, and determine whether the device is a mobile phone device in different languages. This website is used in various languages to determine whether it is a mobile phone device. Http://detectmobilebrowsers.com/ Example: C # determine whether it is protected void Page_Load(object sender,

Php Chinese network (www.php.cn) provides the most comprehensive basic tutorial on programming technology, introducing HTML, CSS, Javascript, Python, Java, Ruby, C, PHP, basic knowledge of MySQL and other programming languages. At the same time, this site also provides a large number of online instances, through which you can better learn programming... Reply: "In less than five years, programmers will have some C #/JAVA/OC (cocoa) and front-end proje

DefinedUsually we call dynamic language, static language refers to dynamic type language (dynamically Typed Language) and static type language statically Typed Language).There is also a dynamic programming Language (Dynamics programming language), a static programming language.Dynamic type language: The language that examines the type of data during run time. Programming in such a language does not give the variable a type, but a data type when it is attached. For example, Python and Ruby are ty

Php Chinese network (www.php.cn) provides the most comprehensive basic tutorial on programming technology, introducing HTML, CSS, Javascript, Python, Java, Ruby, C, PHP, basic knowledge of MySQL and other programming languages. At the same time, this site also provides a large number of online instances, through which you can better learn programming... Reply content: My principle is: to put all the data in PHP, DB (such as MySQL) only put data, not l

August is a month to pay attention to work trends, and today we focus on the employment trends of Web programming languages and scripting languages. You might be wondering what I mean by "web programming language and scripting language". In this article I've listed programming languages such as Ruby, Python, PHP, JavaScript, Flex, and groovy. I didn't mention ra

A strong type of languageA strongly typed language is a language that enforces type definitions, and once a variable is defined type, it is always the data type if it is not cast, and strongly typed languages include Java,. NET, Python, C + +, and so on.For example, if you define an integer, you cannot convert the integer to a string without forcing the type conversion.Second, weak type languageA weakly typed language is a weakly typed language define

The author is familiar with twenty or thirty programming languages and has written more than 20 years of code. This book is the author of the programming language, development process, Google's strategy and so on. More interesting.The previous part is the author's thoughts on the programming language. The author despises C + +, Java, object-oriented. Interestingly, the author divides programming language and thought into two camps of freedom and conse