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  • Why do most programming languages only support returning a single value from a function?

    - by M4N
    Is there a reason or an explanation why functions in most(?) programming languages are designed to support any number of input parameters but only one return value? In most languages, it is possible to "work around" that limitation, e.g. by using out-parameters, returning pointers or by defining/returning structs/classes. But it seems strange, that programming languages were not designed to support multiple return values in a more "natural" way.

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  • Will there be any more books in the Game Programming Gems series?

    - by Laurent Couvidou
    It's been more than three years now that the last Game Programming Gems book was published. The official website isn't updated anymore, and this page of Mark DeLoura's website seems to imply that the series is over. Was there ever an official statement about this? Was number 8 the last book? The Game Programming Gems were one of the most (if not the most) important resource for me and probably thousands of developers around the globe, did the Internet kill them?

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  • What to do when the programming activity becomes a problem?

    - by gablin
    I once saw a program (can't remember which) where it talked about people "experiencing flow" when they are doing something they are passionate about. When "in flow", they tend to lose track of time and surrounding, concentrating only on their activity at hand. This happens a lot for me when I program; most particularly when I face a problem. I refuse to give up until it's solved. This usually leads to hours just rushing by and I forget to eat lunch, dinner gets pushed into far into the evening, and when I finally look at the clock, it's way into the wee-hours of the night and I will only get a few hours of sleep before having to rise early in the morning. (This is not to say that I'm in flow only when facing a problem - but I find it particularly hard to stop programming and step back when there's something I can't solve immediately.) I love programming, but I hate it when it disrupts my normal routines (most importantly eating and sleeping patterns). And sitting still for so many hours, staring a screen, is not healthy. Please, any ideas on how I can get my rampant programming activity under control?

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  • Which programming language should i choose? (much more info inside) [closed]

    - by Andreas
    I am not completely sure if this is the right place to put this question, but since it's the programming thread I guessed that there's many experienced programmers here. :) Ok, hello! My name is Andreas and I am a 16 years old guy from Norway. For some time now I've wanted to learn a programming language. Six months ago I started learning C++, but quit withing a week due to lack of motivation. The same thing happend only 2 months ago when I tried to learn Lua. I wanted to program mods to the game Garry's mod, and was really motivated. Then I stopped playing the game, and the programming stopped with it. Today though I am ready again. The only difference is that I am not completely sure what I want to do with the language. I only want to create something, and I miss the progress of failing and enduring hard work until I finally solve the problem I've worked on for hours. What I am trying to say is; Is there any program out there that allows me, a complete noob (I didn't learn that much in a week, so I like to call myself a beginner), to create apps, mods or something similar but at the same time being qualified as a first time language? I was thinking of Java, because Android, Minecraft and many other applications and games use it. But I've heard that it is going to be replaced by a program called HTML 5 (whatever that is), is this true? I certainly don't want to spend many hours of my life on something that is useless in a year or two. Hopefully I didn't make this too complicated. I know that it is hard to recommend something when I don't have a goal, but I really don't know what to say. Have a good day kind folks! - Andreas EDIT:* I did not know that this was an off topic question, really sorry!

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  • Is there any place to find real-world usage-style tutorials for programming languages?

    - by OleDid
    Let's face it. When you want to learn something completely new, be it mathematics or foreign languages, it's easiest to learn when you get real world scenarios in front of you, with theory applied. For example, trigonometry can be extremely interesting when applied to creation of 2D platform games. Norwegian can be really interesting to learn if you live in Norway. When I try to look at a new programming language, I always find these steps the hardest: What tools do I need to compile and how do I do it Introduction-step: Why is this programming language so cool? Where and how is it used? (The step I am looking for, real-world scenarios) The rest, deep diving into the language, pure theory and such, is often much easier if you have completed step 1 and 2. Because now you know what it's all about, and can just read the specification when you need to. What I ask is, do you have any recommendations for places I can find such material for programming languages? Be it websites or companies selling books in this style, I'm interested. Also, I am interested in all languages. (If I had found a "real-world usage" explained for even INTERCAL, I would be interested). In some other thread here, I found a book called "Seven Languages in Seven Weeks". This is kind of what I am looking for, but I believe there must be "more like this".

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  • What determines which Javascript functions are blocking vs non-blocking?

    - by Sean
    I have been doing web-based Javascript (vanilla JS, jQuery, Backbone, etc.) for a few years now, and recently I've been doing some work with Node.js. It took me a while to get the hang of "non-blocking" programming, but I've now gotten used to using callbacks for IO operations and whatnot. I understand that Javascript is single-threaded by nature. I understand the concept of the Node "event queue". What I DON'T understand is what determines whether an individual javascript operation is "blocking" vs. "non-blocking". How do I know which operations I can depend on to produce an output synchronously for me to use in later code, and which ones I'll need to pass callbacks to so I can process the output after the initial operation has completed? Is there a list of Javascript functions somewhere that are asynchronous/non-blocking, and a list of ones that are synchronous/blocking? What is preventing my Javascript app from being one giant race condition? I know that operations that take a long time, like IO operations in Node and AJAX operations on the web, require them to be asynchronous and therefore use callbacks - but who is determining what qualifies as "a long time"? Is there some sort of trigger within these operations that removes them from the normal "event queue"? If not, what makes them different from simple operations like assigning values to variables or looping through arrays, which it seems we can depend on to finish in a synchronous manner? Perhaps I'm not even thinking of this correctly - hoping someone can set me straight. Thanks!

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  • How can you explain "beautiful code" to a non-programmer?

    - by Daniel Vandersluis
    When speaking with a non-programmer friend, I happened to mention the concept of "beautiful code" and she wanted to understand what that meant, but I was at a bit of a loss as to how to explain it to someone who would have no context whatsoever. When all code looks like gibberish to someone anyways, how can you explain what makes one piece of code prettier than another? Analogies could be useful too.

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  • viable part-time career in IT/programming?

    - by Rider
    Hi, I'd like to ask for some career advice from you people. Is there a viable job/career that can be done in programming/IT for the long term? Right now, I am thinking about website (PHP?) developer path. My background: I have a degree in computer science and have been a programmer/system analyst for almost 10 years. Lately I took a big break from programming and studied for a B.arch. degree (yes architecture), only to discover that architecture offers zero (0) jobs where I'm from, for 3 years already (and no, I am not going to move and the grass in not greener in other places). I have never been particularly interested in programming, in fact I was bored by it. But I was always quite good at both programming and system analysis, and very valued by practically all my employers. On the other hand, I have never been valued or offered a good job in any other field (although I can do many things, like design, architecture, translations, documentation, teaching, etc etc.) I guess the human component has been always more important for me in programming jobs - I value all the good people I worked with, but not projects. However, I have about zero skills or desire to be a project manager. I also have close to zero skills for selling myself. I like it best when I can do "my thing", have my niche, have an ownership of some project. Right now my career perspective is to do part time programming and to part time teach yoga. I have already started the yoga teaching part. Do you think that part time programming is viable? And what niche works best for that? I have considered web development, QA, or software development in a company like I did before. However, my fear is that when you do programming part-time, you get the most boring coding work, only to see your colleagues move to more interesting projects and up their respective career ladders. I also fear that part-timers are not especially needed either. And, since I don't share much enthusiasm at programming, I'd rather not be around young programmers boiling with geeky enthusiasm about coding, but rather QA mindset with people from different backgrounds and life paths might work better for me. Thanks for any advice, --Rider

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  • What is the rationale to non allow overloading of C++ conversions operator with non-member functio

    - by Vicente Botet Escriba
    C++0x has added explicit conversion operators, but they must always be defined as members of the Source class. The same applies to the assignment operator, it must be defined on the Target class. When the Source and Target classes of the needed conversion are independent of each other, neither the Source can define a conversion operator, neither the Target can define a constructor from a Source. Usually we get it by defining a specific function such as Target ConvertToTarget(Source& v); If C++0x allowed to overload conversion operator by non member functions we could for example define the conversion implicitly or explicitly between unrelated types. template < typename To, typename From operator To(const From& val); For example we could specialize the conversion from chrono::time_point to posix_time::ptime as follows template < class Clock, class Duration operator boost::posix_time::ptime( const boost::chrono::time_point& from) { using namespace boost; typedef chrono::time_point time_point_t; typedef chrono::nanoseconds duration_t; typedef duration_t::rep rep_t; rep_t d = chrono::duration_cast( from.time_since_epoch()).count(); rep_t sec = d/1000000000; rep_t nsec = d%1000000000; return posix_time::from_time_t(0)+ posix_time::seconds(static_cast(sec))+ posix_time::nanoseconds(nsec); } And use the conversion as any other conversion. So the question is: What is the rationale to non allow overloading of C++ conversions operator with non-member functions?

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  • How to improve problem solving skills/programming skills

    - by kaibuki
    Hi All, I am new to programming, and have been given many interviews for jobs, but what I lag is the concepts and skills of general problem solving not respect to any particular programming language. are there any books or material available which can help me upgrade my programming skills. looking forward for you guys to share your views. Thanks a millions.. Kai

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  • How do the young start programming nowadays

    - by PP
    Back in the late 80s/early 90s I learned GWBasic on MS-DOS. Then Turbo Pascal. Then Turbo C/Asm. Later I stumbled into PHP and finally made a career out of Perl programming. I'm curious how actual under-25s found their way into programming. There is a lot of discussion about what path you would steer your children if you wanted them to learn programming, but I would like to hear from the newer generation to find out their more modern experiences about becoming a programmer. Note: no stories from people who first discovered programming at university.

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  • Windows Network Programming

    - by bdhar
    I am planning to get some good book for Windows Socket Programming in VC++. I have 2+ years of experience in working with VC++/ATL/COM/MFC; but not in the networking domain. I have been doing some search in Google for "Windows network programming" books. There are few but they have both good and bad comments scattered all over; and I am not able to decide anything. Please recommend some good book with Pros and Cons. The books I found are below. Windows Sockets Network programming Network Programming for Microsoft Windows Thanks.

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  • Signs to Quit Programming?

    - by acidzombie24
    I was hanging out with two people and one of them had a design book and the other was talking to me about programming and design. He said he had difficulties programming and wondered what are signs that you should not or should stop programming? He wanted to know if he should stick to design and i said i didnt know since i havent seen him do either. How does one know if he or she should quit programming and stick to another discipline? and what are some signs?

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  • Functional Programming - Lots of emphasis on recursion, why?

    - by peakit
    I am getting introduced to Functional Programming [FP] (using Scala). One thing that is coming out from my initial learnings is that FPs rely heavily on recursion. And also it seems like, in pure FPs the only way to do iterative stuff is by writing recursive functions. And because of the heavy usage of recursion seems the next thing that FPs had to worry about were StackoverflowExceptions typically due to long winding recursive calls. This was tackled by introducing some optimizations (tail recursion related optimizations in maintenance of stackframes and @tailrec annotation from Scala v2.8 onwards) Can someone please enlighten me why recursion is so important to functional programming paradigm? Is there something in the specifications of functional programming languages which gets "violated" if we do stuff iteratively? If yes, then I am keen to know that as well. PS: Note that I am newbie to functional programming so feel free to point me to existing resources if they explain/answer my question. Also I do understand that Scala in particular provides support for doing iterative stuff as well.

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  • Is literate programming dead?

    - by Stephen
    A fair bit is written about literate programming, but I've yet to see any project that uses it in any capacity, nor have I seen it used to teach programming. My sample may small, so I'm looking for evidence that literate programming exists and is successful in the real world.

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  • Is functional GUI programming possible?

    - by eman
    I've recently caught the FP bug (trying to learn Haskell), and I've been really impressed with what I've seen so far (first-class functions, lazy evaluation, and all the other goodies). I'm no expert yet, but I've already begun to find it easier to reason "functionally" than imperatively for basic algorithms (and I'm having trouble going back where I have to). The one area where current FP seems to fall flat, however, is GUI programming. The Haskell approach seems to be to just wrap imperative GUI toolkits (such as GTK+ or wxWidgets) and to use "do" blocks to simulate an imperative style. I haven't used F#, but my understanding is that it does something similar using OOP with .NET classes. Obviously, there's a good reason for this--current GUI programming is all about IO and side effects, so purely functional programming isn't possible with most current frameworks. My question is, is it possible to have a functional approach to GUI programming? I'm having trouble imagining what this would look like in practice. Does anyone know of any frameworks, experimental or otherwise, that try this sort of thing (or even any frameworks that are designed from the ground up for a functional language)? Or is the solution to just use a hybrid approach, with OOP for the GUI parts and FP for the logic? (I'm just asking out of curiosity--I'd love to think that FP is "the future," but GUI programming seems like a pretty large hole to fill.)

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  • How to study programming with C language

    - by gurugio
    I am using only C for 5 years. So I am sure that I know C grammer, but I have no idea how to advance programming skills. There are many books for modern languages (such as C++, Java) to study programming skills like the refactoring or pattern, software architecture. But no book is written with C language. The book author say that his/her book is not language-dependent, but I don't think so. How can I advance my programming skills? I have to study modern language and read the books? Are there books about software design or programming skill written with C?

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  • Are there any programming related diseases?

    - by Ranhiru
    When you play Tennis, you have the risk of getting tennis elbow... In the sea, you can get sea-sick... Are there any programmer/programming related sicknesses out there? Apart from carpal tunnel syndrome which happens from excessive typing, back pains and eye strains from sitting in one place and never moving your body/eyes. are there any phobias, disorders etc??

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