Artificial languages for instructing computers to do steps of computation in order to complete tasks. They allow programmers to communicate with computers.

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35
votes
9answers
12k views

Why do schools teach arrays over List? [closed]

Most of the assignments in my school for the initial programming classes required me to use arrays. I work full time now, and I never used an array for any project that I have worked on. Even in the ...
0
votes
2answers
78 views

comparison of computer processing language vs protocol

how can explain the diference between programming languge and protocol?, can protocol have extension? we know that machines communicate with protocol, but they can also do so with expressive ...
1
vote
3answers
425 views

Differences between Instruction set (architecture) and machine language?

Tanenbaum's Structured Computer Organization says: Every computer has an ISA (Instruction Set Architecture), which is a set of registers, instructions, and other features visible to its ...
8
votes
3answers
882 views

Are there any good use-cases for variable variables?

Today I encountered this little PHP gem called variable variables. $literal = "Hello"; $vv = "literal"; echo $$vv; // => prints "Hello" Are there actually any real use-cases for this language ...
-1
votes
1answer
68 views

What is the easiest way to store a piece of text in an HTML page? [closed]

I'll say in advance - I have almost no experience with HTML. I am currently coding a game in Lua, which needs to access a piece of code from an HTML website using GET. My question is this: What is ...
0
votes
2answers
211 views

Is there any plan to take out “features” from next versions of javascript? [closed]

I'm looking to learn javascript (now for real) and I've had a look on the latest version of ES6 which is supposed to be frozen in terms of features set. It seems to be the pretty much same as ES5 ...
58
votes
11answers
11k views

A modern review of Java [closed]

I've been programming for a few years and I began in Java, and in my time I've found many different sources claiming Java to be an inferior language in some way or another. I'm well aware that each ...
143
votes
6answers
25k views

Is every language written in C?

Sometimes while programming in different languages (C/C++, C#), this thought comes to my mind: Is each and every language written in the C programming language? Is the C language the mother/father ...
-3
votes
1answer
92 views

If I want write a programming language, what I have to know? [closed]

I think about to take this course on coursera: https://www.coursera.org/course/compilers What knowledge I absolutely have to have in order to succeeded in this class? In particularly I'd like to ...
10
votes
7answers
2k views

Does Oracle reap economic benefits by maintaining Java? [closed]

It occurred to me that many programming languages such as Python and Javascript are maintained by non-profit foundations. I can see why a foundation would update a free programming language- in order ...
0
votes
2answers
173 views

How are declarative languages executed by a computer?

I'm getting introduced to declarative languages and am beginning to love them. In particular Haskell, a functional language, is very expressive, easy to debug. But my question has to do with ...
0
votes
2answers
218 views

Embedding extremely basic scripts in application

I need to program a C++ application which will basically work as a script interpreter, but with extremely basic and limited scripts. The scripts will have a format like this: processedA = ...
21
votes
9answers
4k views

Declarative programming vs. Imperative programming

I feel very comfortable with Imperative programming. I never have trouble expressing algorithmically what I want the computer to do once I figured out what is it that I want it to do. But when it ...
30
votes
6answers
3k views

Is it actually possible to have a 'useful' programming language that isn't Turing complete?

Where it is accepted that a language has to be Turing complete to be any good, is it actually possible to have a 'useful' programming language that isn't Turing complete? I should clarify that this ...
0
votes
1answer
429 views

Why are language features more popular than compiler design? [closed]

If we had a universal interpreter for all available features of programming languages we could use a specializer to generate compilers for all languages. We could simply use any language as source (or ...
5
votes
4answers
1k views

Is a programming language a set of programs or a set of instructions?

From Structured Computer Organization by Tanenbum A program is a sequence of instructions describing how to perform a certain task. When trying to see a programming language as a formal ...
-1
votes
2answers
151 views

Should I learn a programming language that compiles to another? [closed]

For about a year now, I've been doing full stack web development. I am doing about 66% backend stuff (in Python), but from a time to time, I need to write HTML, CSS and JavaScript. I really want to ...
2
votes
3answers
501 views

Say I wanted to create a cross platform program that does not require a runtime/VM, am I stuck with C/C++? [closed]

Let's say that I'm a theoretical programmer hunting for a cross platform programming language, what are my options. This language must satisfy this list of requirements: It must not require the user ...
1
vote
1answer
68 views

why are the evaluation strategies call-by-value etc. only discussed in the context of function calling?

I am referring to various discussions on the differences and nuances in the semantics of pass-by-value, pass-by-reference, e.g. in SO or in the Wikipedia article on the subject. My question is why do ...
2
votes
2answers
179 views

Should naming conventions be consistent or not across multiple programming languages in one project? [duplicate]

I saw this question on SO: here; the question is kind of old and not many viewed, so I want to ask it again. I currently work on a project using C++, C# and Actionscript-3, the conventions of C++ and ...
8
votes
5answers
2k views

When would dynamic scoping be useful?

With dynamic scoping, a callee can access the variables of its caller. Pseudo C code: void foo() { print(x); } void bar() { int x = 42; foo(); } Since I have never programmed in a ...
5
votes
3answers
283 views

Is prototypal inheritance inherently slower?

I see Javascript 6 will add traditional class based inheritance, and one argument I hear is that classes are inherently much faster than prototypes because they can be optimized away by the compiler ...
0
votes
5answers
252 views

Does it matter how I format the name of a function? [closed]

Yes, I know, silly question. But this question has been bugging me for a while, and now I just want to know if it really matters. Basically, I just want to know if it really matters if I format a ...
25
votes
8answers
16k views

Learning Multiple Languages Simultaneously [closed]

When learning new languages, is it better to commit yourself to one language 100% and wait until you've "mastered" it to move on to another, or to work on learning different languages at the same ...
6
votes
2answers
402 views

What is the difference between Optionals and Nullable type

Swift has Optionals. C# has Nullable types. As far as I can tell both serve same purpose, besides value of some type they store information whether variable has value or is undefined ...
21
votes
4answers
1k views

Why would many duck-typed dynamic programming languages use a class-based approach instead of prototype-based OOP?

Since quite many dynamic programming languages have the feature of duck typing, and they can also open up and modify class or instance methods at anytime (like Ruby and Python), then… Question 1) ...
24
votes
8answers
12k views

Is Learning C++ Through The Qt Framework Really Learning C++ [closed]

The problem I have, is that most of the C++ books I read spend almost forever on syntax and the basics of the language, e.g. for and loops while, arrays, lists, pointers, etc. But they never seem to ...
4
votes
2answers
353 views

Software development - The industry & general trends / Bad practices [duplicate]

I am a Web Developer and part of a small team working on an abundance of projects. This is my first "actual" real company after graduating with a degree in computer Science and I have about 2 years ...
0
votes
1answer
131 views

Statistics about the usage of programming paradigms [closed]

I hear very often that the object-oriented programming paradigm is the most widespread. But are there any scientific statistics about how often other programming paradigms like procedural programming ...
6
votes
3answers
461 views

Why do python generators and functions share the “def” keyword?

Consider the following: def some_function(): return 1 def some_generator(): yield 1 In the code above, some_function is a function, while some_generator is a generator. They look quite ...
23
votes
4answers
31k views

Is Python Interpreted or Compiled?

This is just a wondering I had while reading about interpreted and compiled languages. Ruby is no doubt an interpreted language, since source code is compiled by an interpreter at the point of ...
22
votes
12answers
3k views

Is there a language offering LISP-like macros with a more complex syntax?

LISP's macros are extremely powerful constructs, and the inability to introspect and modify the program itself beyond the method signature level has always struck me as a limitation. Yet I favour ...
9
votes
5answers
2k views

class in OOP language and type

In programming language theory, a type is a set of values. E.g. the type "int" is the set of all integer values. In OOP languages, a class is a type, is it? When a class is defined with more than ...
79
votes
14answers
36k views

Why are most browsers developed in C++ [closed]

It seems like most of common web browsers (Firefox, Chrome, Safari) are developed using C++. Whys is that so?
0
votes
2answers
235 views

Which language has most advanced support for proof based programming? [closed]

By proof based programming, I mean, you can somehow prove the correctness of your program without testing. I heard that Ada has a feature called contract, I also heard that, if you can pass Haskell's ...
-3
votes
3answers
632 views

What exactly are benefits of Method Overriding in C#? [closed]

What is the advantage of method overriding since we can always create entirely new method with different name? The only advantage of overriding is you get flexibility to use the same name of method?
126
votes
19answers
111k views

Is there any reason to use C++ instead of C, Perl, Python, etc.? [closed]

As a Linux (server side) developer, I don't know where and why should I use C++. When I'm going for performance, the first and last choice is C. When "performance" isn't the main issue, programming ...
-3
votes
3answers
199 views

Are there any programming languages that don't descend from C? [closed]

I mean descend as in languages who's original compiler/interpreter was written in C or in a language that descends from C. If you don't count assembly, the only thing that comes to my mind is B. Are ...
31
votes
8answers
3k views

Disadvantages of scoped-based memory management

I really like scope-based memory management (SBMM), or RAII, as it is more commonly (confusingly?) referred to by the C++ community. As far as I know, except for C++ (and C), there's no other ...
2
votes
1answer
138 views

What is this Lisp dialect, used in GCC internals?

What programming language is this? It's a Lisp dialect used by GCC internals. (define_insn "*call_symbol" [(call (mem:DI (match_operand:DI 0 "" "")) (match_operand 1 "" "")) (use ...
0
votes
2answers
141 views

How much does C help you in other languages? [duplicate]

How much does learning C to moderate level help you as a programmer. For example, does being competent in C make it easier to pick up languages as time goes on and get a better understanding of them?
1
vote
2answers
334 views

Are there languages that allow goto statement to only go down?

goto statements can sometimes be useful to go down (to lower lines of code) in code, but can create a mess if used to go up (to higher lines of code). Therefore, I am wondering if there is any ...
0
votes
6answers
363 views

Do you memorize the classes of your frameworks? [duplicate]

I've been an iOS developer for about 5 years. There are still things that NSString and NSArray do that I didn't know they could. All optional attributes and behaviors that I haven't seen, because I've ...
6
votes
5answers
2k views

How are financial organizations planning for the degradation of old programming languages such as COBOL? [closed]

I know that some financial organizations still use "dead" languages such as COBOL. I'm wondering what will happen in the future, when almost no one will program in those languages, and the ...
-2
votes
4answers
121 views

Which code should I use to inform me of updates on websites? [closed]

I don't know if this is the correct place to ask this question but I'll ask it here anyway. I don't know much about programming (I only ever learned MATLAB!) but I wonder if there is a simple way to ...
0
votes
2answers
224 views

What's the benefit of having everything as an object in dynamically typed programming language? [closed]

modern dynamic programming languages like Python, Ruby and Javascript all take the approach of treating everything as an object, what's the benefit of this approach, and what's the curse of it? ...
34
votes
2answers
9k views

What are 4th & 5th programming language generations? Are there more of them? [closed]

As it is often classified at school/college level, popular programming languages (C#, Java, C++) are all 3rd generation languages (with higher level of abstraction from the machine's physical parts). ...
14
votes
6answers
2k views

Are there any ultra high level languages out there? [closed]

Historically a HLL is something like C, Fortran or Pascal and a VHLL is something like Ruby or Python. I am familiar with the terms 4GL, 5GL, DSL and LOP, and those who aren't should read Wikipedia ...
10
votes
12answers
2k views

Why don't more languages have the ability to compare a value to more than one other value? [closed]

Consider the following: if(a == b or c) In most languages, this would need to be written as: if(a == b or a == c) which is slightly cumbersome and repeats information. I know my above sample ...
2
votes
1answer
242 views

Why do class-based OO-languages always use the keyword `new` to create an object? [duplicate]

I do not know much about OO-languages, but from what I have seen, it seems most class-based OO-languages uses a keyword new (or something equivalent) to create an object. Prototype-based OO-languages ...