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C

5.3K
3.6K
+ 1
230
D

94
107
+ 1
144
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C vs D: What are the differences?

Developers describe C as "One of the most widely used programming languages of all time". . On the other hand, D is detailed as "Modern convenience. Modeling power. Native efficiency". D is a language with C-like syntax and static typing. It pragmatically combines efficiency, control, and modeling power, with safety and programmer productivity.

C and D belong to "Languages" category of the tech stack.

"Performance" is the primary reason why developers consider C over the competitors, whereas "Compile-time function execution" was stated as the key factor in picking D.

According to the StackShare community, C has a broader approval, being mentioned in 64 company stacks & 251 developers stacks; compared to D, which is listed in 6 company stacks and 6 developer stacks.

Decisions about C and D

Python has become the most popular language for machine learning right now since almost all machine learning tools provide service for this language, and it is really to use since it has many build-in objects like Hashtable. In C, you need to implement everything by yourself.

C++ is one of the most popular programming languages in graphics. It has many fancy libraries like eigen to help us process matrix. I have many previous projects about graphics based on C++ and this time, we also need to deal with graphics since we need to analyze movements of the human body. C++ has much more advantages than Java. C++ uses only compiler, whereas Java uses compiler and interpreter in both. C++ supports both operator overloading and method overloading whereas Java only supports method overloading. C++ supports manual object management with the help of new and delete keywords whereas Java has built-in automatic garbage collection.

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Russtopia Labs
Sr. Doodad Imagineer at Russtopia Labs · | 0 upvote · 60.8K views
Chose
Go
over
C++
C

As a personal research project I wanted to add post-quantum crypto KEM (key encapsulation) algorithms and new symmetric crypto session algorithms to openssh. I found the openssh code and its channel/context management extremely complex.

Concurrently, I was learning Go. It occurred to me that Go's excellent standard library, including crypto libraries, plus its much safer memory model and string/buffer handling would be better suited to a secure remote shell solution. So I started from scratch, writing a clean-room Go-based solution, without regard for ssh compatibility. Interactive and token-based login, secure copy and tunnels.

Of course, it needs a proper security audit for side channel attacks, protocol vulnerabilities and so on -- but I was impressed by how much simpler a client-server application with crypto and complex terminal handling was in Go.

$ sloc openssh-portable 
  Languages  Files    Code  Comment  Blank   Total  CodeLns
      Total    502  112982    14327  15705  143014   100.0%
          C    389  105938    13349  14416  133703    93.5%
      Shell     92    6118      937   1129    8184     5.7%
       Make     16     468       37    131     636     0.4%
        AWK      1     363        0      7     370     0.3%
        C++      3      79        4     18     101     0.1%
       Conf      1      16        0      4      20     0.0%
$ sloc xs
  Languages  Files  Code  Comment  Blank  Total  CodeLns
      Total     34  3658     1231    655   5544   100.0%
         Go     19  3230     1199    507   4936    89.0%
   Markdown      2   181        0     76    257     4.6%
       Make      7   148        4     50    202     3.6%
       YAML      1    39        0      5     44     0.8%
       Text      1    30        0      7     37     0.7%
     Modula      1    16        0      2     18     0.3%
      Shell      3    14       28      8     50     0.9%

https://gogs.blitter.com/RLabs/xs

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Pros of C
Pros of D
  • 64
    Performance
  • 45
    Low-level
  • 33
    Portability
  • 28
    Hardware level
  • 18
    Embedded apps
  • 12
    Pure
  • 9
    Performance of assembler
  • 7
    Ubiquity
  • 4
    Great for embedded
  • 4
    Old
  • 2
    OpenMP
  • 2
    No garbage collection to slow it down
  • 2
    Compiles quickly
  • 14
    Compile-time function execution
  • 12
    Makes functional programming style easier
  • 11
    Powerful static function to avoid macro
  • 11
    Productive
  • 11
    Much easier to do Concurrent/Parallel vs C/C++
  • 10
    Simple but Powerful template-based generics
  • 9
    Meta program is much easier to read/write vs. C++
  • 9
    Supports code covarge directly in the compiler
  • 8
    System program language like C++ and C
  • 8
    Assembler is support directly in the language
  • 8
    It support unittest etc
  • 6
    Easy to translate from Java and C# to D
  • 6
    Supports both manuel memory and garbage collection
  • 6
    Metaprogramming
  • 5
    Plugs directly into C
  • 4
    Feels and looks like C, so it's easy to learn
  • 3
    Amazing developer productivity
  • 1
    Performance
  • 1
    Fast
  • 1
    Syntax uniformity across pre-compile/compile/runtime

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Cons of C
Cons of D
  • 5
    Low-level
  • 3
    No built in support for concurrency
  • 2
    Lack of type safety
  • 2
    No built in support for parallelism (e.g. map-reduce)
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    What is C?

    What is D?

    D is a language with C-like syntax and static typing. It pragmatically combines efficiency, control, and modeling power, with safety and programmer productivity.

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    What companies use C?
    What companies use D?
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    What tools integrate with D?

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    What are some alternatives to C and D?
    Java
    Java is a programming language and computing platform first released by Sun Microsystems in 1995. There are lots of applications and websites that will not work unless you have Java installed, and more are created every day. Java is fast, secure, and reliable. From laptops to datacenters, game consoles to scientific supercomputers, cell phones to the Internet, Java is everywhere!
    Python
    Python is a general purpose programming language created by Guido Van Rossum. Python is most praised for its elegant syntax and readable code, if you are just beginning your programming career python suits you best.
    C#
    C# (pronounced "See Sharp") is a simple, modern, object-oriented, and type-safe programming language. C# has its roots in the C family of languages and will be immediately familiar to C, C++, Java, and JavaScript programmers.
    Objective-C
    Objective-C is a superset of the C programming language and provides object-oriented capabilities and a dynamic runtime. Objective-C inherits the syntax, primitive types, and flow control statements of C and adds syntax for defining classes and methods. It also adds language-level support for object graph management and object literals while providing dynamic typing and binding, deferring many responsibilities until runtime.
    Rust
    Rust is a systems programming language that combines strong compile-time correctness guarantees with fast performance. It improves upon the ideas of other systems languages like C++ by providing guaranteed memory safety (no crashes, no data races) and complete control over the lifecycle of memory.
    See all alternatives