top computer programming languages

programming language comparison development language classification:High-level languages: Python Java, PHP, C #, Go, Ruby, C + + ... = = = byte codeLow-level language: C, assembly = = = "Machine codeLanguage comparison:1.python,java: Both can do the Web page, but also can write backstage function, Java can do things Python can do, Java enterprise application is relatively mature, Java execution efficiency i

Some time ago, I was in cnblogs someone else's blog, talking about:References/pointers in Java are not a concept with reference/pointers in c++/c#.Java reference, equivalent to C + + pointers (FUN3). A Java reference can be assigned a value of NULL, and a C + + reference (see FUN2) cannot be assigned a value null,c++ the pointer can be assigned a value of NULL (FUN3).In Java, there is no syntax for C + + references (fun2).The result is unnecessary questioning, hereby, write a blog, to c++/java/c

difference between Java and C + +:1. Fully object-oriented, such as: The main function is included in the class as static2. Java Cross-platform, that is, different operating systems can be interpreted by the JVM Java programs, and C, C + +, C # is platform-related , and some instructions only in some operating systems to execute;3.Java does not support system calls, that is, it cannot interact with the operating system, which is determined by its cross-platform characteristics, while C can invo

Design mode ( is the design pattern more in Java? Why does the FP (functional programming) not work? Is it important to design patterns in C++,python? Reply content:There are two ways to study design patterns in a new language environment. The first is to consider the first two chapters of design mode as the essence of the book, and consider 23 examples of patterns as illustrative examples. In the new environment, try to use the first two chapters of

I found a "programming language ranking Chart" on overseas websites yesterday and found it interesting. So I forwarded it to my blog today. Hey, you are using a very low ranking language, so you are angry and want to swear? No. Note that this is "consider themselves superior", Not" are superior. That is to say, this is an "self-righteous" ranking. If your favorite language ranks low here, you do not need to complain. In fact, the lower the posit

about PythonPython is a high-level scripting language that combines explanatory, compiled, interactive, and object-oriented.Python's design is highly readable, with English keywords often used in other languages, some punctuation in other languages, and it has a more distinctive grammatical structure than other languages. Python is an interpreted languag

both felt a little messy. I was using C # And VC and Delphi to process three different projects every day. I didn't feel any messy. They all communicate with each other, mainly the idea of programmers. Some syntactic items are similar. If you forget it, you can search for the disordered search on the Internet to find out the features of each language design. As I said above, it's cool to learn a cross-paradigm language at the same time. Functions (Haskell), object-oriented (C #/Java), logical

Article Title: Several ignored programming languages in Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. 1. CAt present, the streets are full of rumors that the C language is useless, especially in universities, and the C language is no longer feasible. In essence

?) struct, which differs from class in that when a variable is assigned, a struct variable is a copy of the content, and the class is a reference to replication, which is undoubtedly something of C #. 9. Paradigm, you can create a method templateFunc repeat itemtype[] { = itemtype[] () for inch 0 .. Times { + = Item} return result}repeat ("knock "4)C + + played a lot of things for many years.Of course, Swift also has a lot of things, here is just Dragonfly water casually enumerated a

PL/SQL are extensions of SQL by Oracle. They are specialized languages for programming in Oracle databases, it is a process-related programming language of the 3rd generation. From Oracle8, external C language calls are provided directly from PL/SQL. Allows developers to use PL/SQL for program modules compiled in C language. Java programs have been introduced sin

collection for programs, and programmers do not have to worry about annoying memory recycling. All I see is the address, the allocation space, the recycling space, the calculation, and this is the C # language I see from the assembler, and the rest are all programming ideas and rapid development methods. (What metadata, type, are in the memory of the address.) ) So, if you understand the x86 of the assembly, you can learn other

From: Cool ShellHttp://CoolShell.cn 《Programming Languages in the eyes of programmers" It is a funny picture-a programming language in the eyes of programmers. The horizontal axis of an image is a programming language. The vertical axis is a programmer, fan, and believer in various

Ask a friend from multiple programming languages: How did I overcome the dependency on the first language? My current situation is as follows: nbsp; PHP nbsp; is my first language, and the basic usage is still relatively good. However, company leaders seem to prefer python, but there is no reason. Because now I often want to do some gadgets, data detection, and result Check. I would like to ask a friend f

The following shows the annual salary of programmers in 18 programming languages: Erlang: $99,000Objective-C: $82,000Pascal: $81,000C ++: $80,000TCL: $80,000C #: $79,000Java: $79,000Python: $78,000Perl: $77,000RUBY: $74,000COBOL: $73,000Javascript: $72,000ColdFusion: $64,000Delphi: $64,000PHP: $64,000Visual Basic: $64,000C: $60,000Haskell: $53,000 The following table lists the four types of operating sy

looks for foo (2,3) call for the target code for module B. Looking for an unmodified symbol name _foo. Suppose that the function in module a declares that Foo is an extern "C" type, and that module B includes an extern int foo (int x, int y). Module B cannot find the function in module A, and vice versa.in the header file of the C language, only the extern type can be specified for its external function. extern "C" declarations are not supported in the C language. A compile syntax error occurs

TIOBE October 2011 Programming Languages list: Java and C Battle of Kings TIOBE The October programming language rankings have been published, the first three languages of this month's programming language is still Java, C, c++,php overtook C # to occupy the fourth place. A

1. Analogy Life If we liken programming to a war of alliances vs tribes between the code and the computer, then the data type is the various classes of the Code camp. Every member involved in a war belongs to a class of classes. 2. For example, the basic data type in C language The basic data types include numeric types and character types, and numeric types include integer types and float type; The shapi

foreach Loop comparison of several programming languages The Foreach Loop, as the "enhanced version" of the "for" loop, has been widely used in several programming languages (Java, C #, PHP) because it can traverse array elements in a simpler way. In different languages, h

What does vender mean? In programming languages, it is often seen that there are other common words like foobar? What does vender mean? It is often seen in programming languages What are the common terms to remove such words as foo bar? Reply content: What does vender mean? It is often seen in

A project uses base64 encoded strings to PASS Parameters in different programming languages. The encoding result is consistent on various platforms. That is to say, PHP uses base64_encode encoding to determine whether the strings can be correctly parsed on IOS or android platforms, or the opposite process works... A project uses base64 encoded strings to PASS Parameters in different