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

learn more… | top users | synonyms

2
votes
3answers
2k views

What are the advantages of pass by value?

I always thought pass by value is a legacy from the early languages, because the designers had never seen anything else. But after seeing the brand new languages like Go adapting the same principle ...
0
votes
1answer
154 views

If a variable containing a function gave the function's return instead of a reference to the function, what would an array of functions return? [closed]

I'm creating a prototype scripting language similar to something like Javascript. In my language, every single reference to a variable is actually a function call (a getter function), whether it has ...
4
votes
4answers
966 views

Why are scientific programming languages so weird? [closed]

It seems to me that programming languages meant for use in science and engineering are consistently weird compared to general-purpose languages. Some examples off the top of my head: In Matlab, each ...
0
votes
1answer
255 views

Mixing declarative & imperative code (Implicit 'unit tests' ?) [closed]

Well I'm no expert, but as a student, I'm curious about languages and their design patterns / goals. I'd like to know, whether there are any points I miss in the following examples, and why ...
0
votes
3answers
141 views

High-Level SQL Interoperability

In a server -> client scenario, wouldn't it be simpler and faster to grant a public user access to a Stored Procedure rather than using web services (XML, REST, SOAP, etc) and other interoperable ...
2
votes
3answers
489 views

Is Python suitable for a statistical modeling application looking over thousands of past events?

I'm currently working on a project with a partner where we analyze large datasets of past sporting events. There are approximately 30,000 events per year and we have historical data for five years. ...
2
votes
1answer
414 views

Is there a name for the 'break n' construct?

In a conversation earlier this week I was discussing certain language features, and I realized I don't have a good word / phrase to describe a particular feature. Some languages, such as PHP, have a ...
2
votes
6answers
882 views

Why is PHP's method of comparing different types bad?

I'm working on designing a new programming language and trying to decide how I will do variable comparisons. Along with many different types of languages, I've used PHP for years and personally had ...
2
votes
2answers
4k views

How to ensure method finishes running before being run again

I'm new and I am trying to figure something out. I have a simple program which executes a method either when an event happens or when my timer ticks. Lets just say the method takes 5 seconds to ...
8
votes
2answers
432 views

What rationale is used when programming language designers decide what sign the result of modulo operation takes?

Going through Modulo operation (the avenue I entered while exploring the difference between rem and mod) I came across: In mathematics the result of the modulo operation is the remainder of the ...
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 ...
1
vote
2answers
201 views

Parser and interpreter knowledge as a way to gauge programmer ability [closed]

This is only anecdotal evidence but from my past encounters with programmers at various workplaces the programmers that understand the fundamentals of parsing and interpreting seem to be overall ...
3
votes
3answers
740 views

Syntactic Sugar for old languages

I first learned about the existence of syntactic sugar languages, like CoffeeScript and SASS while working in Rails. This got me thinking... why do we not have well-known (if any at all) syntactic ...
1
vote
1answer
140 views

Optimizing mindmaps by finding the least amount of redundancy

When using mindmaps, you order them based on how you think it fits best. So for instance (tab means subtree) requirements dinner food forks spoons breakfast food forks this ...
8
votes
3answers
744 views

Do any object-oriented programming languages support “collective constructors”?

I was recently considering that sometimes several objects depend on each other (e.g. if they contain cyclic references) and therefore it would be useful to create them as part of one atomic operation ...
5
votes
2answers
457 views

Can you apply the same lexer rules to all programming languages?

I'm trying to understand the theory behind a lexer with the purpose of building one (just for my own fun and experience and to compensate for not taking proper CS courses :)). What I have yet to ...
2
votes
6answers
556 views

How do you move beyond code examples without a project? [closed]

I am currently learning Scala and I find a mental blog of how to proceed to a degree where I can use Scala daily beyond the normal examples. I just do not have a particular project in mind of what I ...
1
vote
2answers
854 views

proposed algorithm and representation of an algorithm

What is the difference between an ambiguity in a proposed algorithm and an ambiguity in the representation of an algorithm? I have done some research and found out that ambiguity in the ...
1
vote
4answers
1k views

Is there any specific reason to use “else if” clause?

We all use if ..else if.. else. But still I'm confused as to why we use else if. Where if does the same thing as else if. So why are we using else if? Any specific reasons behind this? Is there ...
4
votes
5answers
3k views

Programming Languages “Higher Level” Than Python [closed]

In general, I have been presented with these sorts of heirarchies for programming language abstraction: Assembly < C < C++ < Java < Python where C abstracts less than C++ and so on. You ...
0
votes
1answer
297 views

Is there any practical algorithm / data-structure that can't be done with non-recursive Lambda Calculus augmented with foldl?

In my search for a practical non-turing complete programming language, I've been paying attention to lambda-calculus with disallowed self-application - that is, x x forbidden. After taking that ...
4
votes
2answers
232 views

C# gadgets overloading the form (can't see the woods for the trees) [closed]

I have the task of taking over a C# program that is very badly written, however I am new to C#. The form has many objects including labels, buttons, panels, etc, which overlap each other. The form is ...
25
votes
9answers
2k views

Why most “well-known” imperative/OO languages allow unchecked access to types that can represent a 'nothing' value?

I have been reading about the (un)convenience of having null instead of (for example) Maybe. After reading this article, I am convinced that it would be much better to use Maybe (or something ...
5
votes
3answers
502 views

Why do programming languages encompass so much? [closed]

Programming languages are not just language. Each one tends to have: Its own IDEs, Its own package managers, Its own set of libraries, Its own build tools, Its own data formats. If you are writing ...
-1
votes
1answer
302 views

What's the best approach to studying Open Source projects or any large codebase? [duplicate]

There is a Open Source project which I need to use in my project. All other functionality is built on top of it. I am new to programming and find it very daunting. There are a lot of Open Source ...
4
votes
2answers
1k views

How should we “pick the comfortable programming language” in an interview? [closed]

When they ask you to choose the programming language you are comfortable with before an interview, is it to ask questions about the programming language or to check how well you code in it? Like for ...
-3
votes
1answer
155 views

Fantasy: One Language/Standard supported by all devices? [closed]

No introduction or description needed. We all know how troublesome it is make different codes and test codes in different platforms and browsers such as IE, Firefox, Chrome, Android 2.3 onwards, iOS, ...
4
votes
1answer
397 views

Will loop constructs become obsolete? [closed]

By loop constructs I mean for… and while… constructs with nested statements. Currently I am coding a tool in Python and decided out of curiosity not to use the regular loops - and rely on ...
-2
votes
2answers
221 views

Is application written from scratch in programming language has to be license? [closed]

There are so many programming language like PHP, Perl, Python, Java, C, C++ and many other. These programming language has some open source license. If i develop application from scratch which is not ...
2
votes
1answer
207 views

Resources for understanding a programming language and its specifications and grammar deeply [closed]

I'm a computer engineer and all the courses we have had about programming and computer languages were an introduction to C/Java and OOP. Now I feel like reading Java language specification to learn a ...
-1
votes
2answers
161 views

Programming languages and variety [closed]

So the issue I have as an undergraduate Software Engineering student, is the topic on which languages must one carry under their belt for future markets. I've been having this debate with teachers and ...
5
votes
4answers
1k views

Is there a math theory or a model behind programming languages design

I'm trying to understand if a programming languages design is built on some a theoretical model. I came across few links that was describing Programming Language Theory, Lambda Calculus, Formal ...
1
vote
2answers
249 views

Why “mainstream language” is so opposed to “built on a small core of orthogonal features”?

On "hammerprinciple.com" website there are programming languages, statements about them and voting that associates languages with statements. In particular, there are statements: "This language is ...
4
votes
1answer
505 views

Text Adventure language

I was thinking of creating a text adventure game and after a small google search, I found out that quite a few (simple) text adventure games are created in Prolog. Why is that?
2
votes
3answers
607 views

Interpreter or virtual machine that does not execute bytecode

The developers of the Dart language tell that there is a virtual machine that executes statements written in Dart language. What is the difference between an interpreter and a virtual machine that ...
1
vote
2answers
387 views

What's up with the Class::get(id) idiom in PHP

I am a new PHP developer (coming from .NET). The experienced php dev that I work with said that calling a static get method on a PHP class with an ID as a parameter is common in PHP. Is there a name ...
82
votes
9answers
9k views

Is there any “real” reason multiple inheritance is hated?

I've always liked the idea of having multiple inheritance supported in a language. Most often though it's intentionally forgone, and the supposed "replacement" is interfaces. Interfaces simply do ...
3
votes
3answers
345 views

Is there a difference between iterable and enumerable?

Many languages seem to have structures that are very similar called iterable or enumerable. These are structures that can be iterated or enumerated over, which seem to me extremely similar things. ...
0
votes
1answer
192 views

category theory based language

It may sound naive, but is there any programming language, or research thereof, based entirely on category theory? I mean this as opposed to embedding CT concepts as an additional feature (like for ...
4
votes
2answers
500 views

How is reactive logic programming different from functional programming?

As Reactive Programming model is perfectly suited to address the change propagation required for transaction processing, that is, when the server receives change (Insert, Update, or Delete) requests. ...
6
votes
4answers
888 views

What's the reason exceptions are heavily used in managed (C# and Java) languages but not in C++? [closed]

AFAIK, a lot of C++ projects don't allow exceptions and deny them in coding guidelines. I have a lot of reasons, for example, exception is hard to handle correctly if your binary needs to be compiled ...
-2
votes
2answers
7k views

how to write good programming logic? [duplicate]

recently I got job as a java developer, and now I have assigned project too. I want to know what is a good logic? when I check in the code my team lead is saying that its a good code. But when it ...
15
votes
5answers
838 views

“Whole-team” C++ features?

In C++, features like exceptions impact your whole program: you can either disable them in your whole program, or you need to deal with them throughout your code. As a famous article on C++ Report ...
3
votes
5answers
414 views

What are the types of dynamically typed languages arrays?

For example, in JavaScript, I can do such things: var arr = [1, "two", /three/, [4]]; There is no way to do such a thing in C! Except by using a void*, which is not an efficient/safe way. Is this ...
1
vote
3answers
714 views

How Microsoft Market DotNet? [closed]

I just read an Joel's article about Microsoft's breaking change (non-backwards compatibility) with dot net's introduction. It is interesting and explicitly reflected the condition during that time. ...
1
vote
3answers
197 views

Requiring a specific order of compilaiton

When designing a compiled programming language, is it a bad idea to require a specific order of compilation of separate units, according to their dependencies? To illustrate what I mean, consider C. ...
3
votes
1answer
2k views

Tips for Tail Call Recursion in Python [duplicate]

Ok, Python doesn't have tail call optimization. But for those who think better recursively than "looply", whats the best practices to write code?? 1000 stack calls are enough for many cases, but ...
25
votes
6answers
3k views

Why do programming languages allow shadowing/hiding of variables and functions?

Many of the most popular programming languges (such as C++, Java, Python etc.) have the concept of hiding / shadowing of variables or functions. When I've encountered hiding or shadowing they have ...
-1
votes
2answers
158 views

Languages like Tcl that have configurable syntax? [duplicate]

I'm looking for a language that will let me do what I could do with Clipper years ago, and which I can do with Tcl, namely add functionality in a way other than just adding functions. For example in ...
21
votes
6answers
3k views

Is an event loop just a for/while loop with optimized polling?

I'm trying to understand what an event loop is. Often the explanation is that in the event loop, you do something until you're notified that an event occurred. You than handle the event and continue ...