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• Would this be viewed poorly amongst the programming community?

  - by Eric P

  So one of my responsibilities at work is to build an internal tool that helps the workers enter in all their information. It's an enterprise application that is similar to a Windows forms database tool. So it's not much different than like developing a Word + Excel combo application, but the average person in this workgroup is a 20-40 year old woman or a random chatty male type. Plus I know all of these people are heavily involved with Facebook on a daily basis. How bad would it be if I styled my new interface to be similar to what Facebook does. People could get award points and stuff when they fill out different types of forms and basically compete against each other like it was a game. When people had completed one, it would be posted on their wall and everyone could comment/like stuff just like in Facebook. And it would be like they are doing peer reviewing for fun. The rewards would be outstanding I would imagine. These people are so into Facebook and Facebook games that productivity would rise due to them trying to compete and earn points and achievements. Would this be taking advantage of the people by 'tricking them into working harder by giving them a game' or would it be viewed as something that would improve happiness at work?

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• Are there programming languages that allow you to do set arithmetic on types?

  - by Will Brown

  Out of curiosity, are there languages that allow you to do set arithmetic on types to create new types? Something like: interface A { void a(); void b(); } interface B { void b(); void c(); } interface C = A & B; // has b() interface D = A | B; // has a(), b() and c() interface E = (A & B) ^ B; // has c() I know that in some languages these ideas can be expressed (i.e., Java has List<Comparable & Serializable> for the union of the interfaces) but I've never heard of a language that supports type arithmetic. Thanks!

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• What is the correlation between programming language and experience/skills of their users?

  - by Petr Pudlák

  I'm sure there is such a correlation, because experience and skill leads good programmers to picking languages that are better for them, in which they're more productive, and working in a language forms how programmers think and influences their methods and skills. Is there any research or some statistical data of this phenomenon? Perhaps this is not a purely academic question. For example, if someone is starting a new project, it could be worth considering a language (among other criteria of course) for which there is a higher chance of finding or attracting experienced programmers. Update: Please don't fixate on the last paragraph. It's not my intention to choose a language based on this criterion, and I know there are other far more important ones. My interested is mostly academic. It comes from the (subjective) observation and I wonder if someone has researched it a bit. Also, I'm talking about a correlation, not about a rule. Sure there are both great and terrible programmers in every language. Just that in general it seems to me there is a correlation.

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• Would adding award points or game features to workplace software be viewed poorly amongst the programming community?

  - by Eric P

  So one of my responsibilities at work is to build an internal tool that helps the workers enter in all their information. It's an enterprise application that is similar to a Windows forms database tool. So it's not much different than like developing a Word + Excel combo application, but the average person in this workgroup is a 20-40 year old woman or a random chatty male type. Plus I know all of these people are heavily involved with Facebook on a daily basis. How bad would it be if I styled my new interface to be similar to what Facebook does. People could get award points and stuff when they fill out different types of forms and basically compete against each other like it was a game. When people had completed one, it would be posted on their wall and everyone could comment/like stuff just like in Facebook. And it would be like they are doing peer reviewing for fun. The rewards would be outstanding I would imagine. These people are so into Facebook and Facebook games that productivity would rise due to them trying to compete and earn points and achievements. Would this be taking advantage of the people by 'tricking them into working harder by giving them a game' or would it be viewed as something that would improve happiness at work?

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• Why has there been no serious research in statistical programming languages for 25 years?

  - by Robert

  The two main statistical languages today are S (in the form of R) and SAS, which today pretty much have the form they had 25 years ago. Whatever usability problems or worker productivity problems they had then, they still have today. I'm a data language designer, and I look at, largely, four aspects: Usability (learning curve & readability - here Python scores high) Productivity (how long it takes to finish your work) Flexibility (SAS and R don't have problems here, but a macro library will) Reliability (in the QA/reproducibility sense, usually a PL does better than a GUI here) By the way, I have a language that can produce complex statistical tables much faster than SAS (like 25 lines of code instead of several hundred lines of code). And I'm going to produce a language for data cleaning that will be great for usability (it'll be my third).

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• How to choose the right web development language for my app without much programming experience?

  - by twinbornJoint

  I have my own idea for a web application, and I am not a programmer. The application will work similar to Facebook and Twitter, profiles and feeds. I have learned some computer science theory, all the way up to OOP, but have no practical experience. Without any experience, is there a way I can evaluate the different language and platform choices available to me? What kind of things should I be looking at? Ease of setup? How many followers it has? How can I evaluate whether a language will have the capabilities I need?

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• Is there a programming language with not a tree but tags idea behind OOP?

  - by kolupaev

  I'm thinking about tree structures, and I feel that I don't like them. It's like when you have a shop, then you try to put all products to tree-like catalog, and then you need to place one product to multiple categories, now you have multiple routing, bla-bla. I don't feel like everything in the world could be put to a tree. Instead, I like idea of tags. I would like to store everything with tags. With tags I could do much more. I can even simulate trees if I want. I want to have tag-based filesystem! But hey - modern OOP paradigm with inheritance is based on tree. I want to see how it is when you don't have such basement. Closest thing I found is mixins in some languages. Do you know what else is also about this ideas?

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• User generated content: a basic yet simple to use OR a complex yet powerful solution?

  - by ne5tebiu

  As stated above, which solution is better for a game based on user generated content? The simple solution (in-game editor) is great for gamers without experience in coding and etc. In this way every player could populate the game with content. But the content would be very limited. The complex solution would allow the content to be with almost no limitation but casual gamers probably couldn't make hardly any content at all. If both solutions are used, the quality behind the second solution would be more valuable than the first solution's quantity. However, making a powerful in-game editor could even take more time and manpower than the actual game and every gamer would have to learn how to use the new complex tool, understand it, and master it if he or she wants to make quality content.

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• What is the Best way to learn c# programming and capability to do anything with C#?

  - by MSU

  I browsed all the answers given in Stackoverflow,i couldn't find my answer that's why i am writing this, so please don't mark this a duplicate. My case i want to get the capability of doing anything in C# from building applications to solving problems. I searched for and tried to read books. Then one of the experts said, reading books will not make any good for you, for learning you have to solve problems i.e. real world problems in C#, he gave me some sample problems, which i previously did in C++, i started doing, but the thing is that i know the internal logic of solving the problem or the algorithm to solve. But i don't know how to imepelement them using C# efficiently. so, the gap is, i can't think in C#, I know the message to passed but don't the exact way to pass it. I did a program to solve a problem, then find out there are much easier ways of doing it wherever i was doing it in tougher way. So, can you guys(C# experts) please enlighten me, what i need to get hold of the language and get the ability to code in C# proficiently?

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• OOP vs Frameworks (DRY, Organisation, Readability)

  - by benhowdle89

  In terms of organisation, code-readability and DRY programming, which, between OOP and Frameworks shows more of these 3 attributes? I'm aware that inline, procedural coding is viewed by many as a thing of the past, so which is the best route to take for these two? Just to clarify what i mean by OOP and frameworks From Wikipedia: Object-oriented programming (OOP) is a programming paradigm In computer programming, a software framework is an abstraction in which common code providing generic functionality can be selectively overridden or specialized by user code, thus providing specific functionality

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• What almost unknown programming language of 21st century a programmer should be introduced to?

  - by bigown

  Which languages almost nobody talks about but has some interesting features or concepts? It must satisfy the following 2 criteria: It must have been created in 2000 or later. Ex.: REBOL, Squeak, Oberon, etc. are out. It can't have some fame among programmers. Ex.: Groovy, C#, Scala, Go, Clojure, D, etc are out. The language doesn't need be good or totally implemented. License or platform doesn't matter. The language needs to be new and interesting. I posted a good example of language I wanna know. If you wish TIOBE can be used as reference to measure "fame", but don't cling on it.

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• What operating systems are used in airplanes, and what programming languages are they developed in?

  - by adhg

  I was wondering if anyone knows what is the operating system used in commercial airplanes (say Boeing or Airbus). Also, what is the (preferred) real-time programing language? I heard that Ada is used in Boeing, so my question is - why Ada? what are the criteria the Boeing-guys had to choose this language? (I guess Java wouldn't be a great choice if the exactly in lift off the garbage collector wakes up).

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• Design in "mixed" languages: object oriented design or functional programming?

  - by dema80

  In the past few years, the languages I like to use are becoming more and more "functional". I now use languages that are a sort of "hybrid": C#, F#, Scala. I like to design my application using classes that correspond to the domain objects, and use functional features where this makes coding easier, more coincise and safer (especially when operating on collections or when passing functions). However the two worlds "clash" when coming to design patterns. The specific example I faced recently is the Observer pattern. I want a producer to notify some other code (the "consumers/observers", say a DB storage, a logger, and so on) when an item is created or changed. I initially did it "functionally" like this: producer.foo(item => { updateItemInDb(item); insertLog(item) }) // calls the function passed as argument as an item is processed But I'm now wondering if I should use a more "OO" approach: interface IItemObserver { onNotify(Item) } class DBObserver : IItemObserver ... class LogObserver: IItemObserver ... producer.addObserver(new DBObserver) producer.addObserver(new LogObserver) producer.foo() //calls observer in a loop Which are the pro and con of the two approach? I once heard a FP guru say that design patterns are there only because of the limitations of the language, and that's why there are so few in functional languages. Maybe this could be an example of it? EDIT: In my particular scenario I don't need it, but.. how would you implement removal and addition of "observers" in the functional way? (I.e. how would you implement all the functionalities in the pattern?) Just passing a new function, for example?

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• What's the term describing this system for generating user interfaces?

  - by mjfgates

  So, there's this idea, which you already know: Define the layout of your UI by creating a tree of panels. The leaf nodes on the tree are what we used to call 'controls' way back in the day-- the things that the user interacts with, radio buttons and listboxes and such. The internal nodes are mostly concerned with layout; this kind of panel stacks its child panels vertically, that kind puts its children into a grid, etc. It's COMMON. Most of the UI-generating systems I've seen in the past twenty years are implementations of this, and the ones that aren't borrow from it. What's the word for this idea?

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• Is it Advisable to learn multiple programming languages at the same time? [closed]

  - by adietan63

  Possible Duplicate: Learning Multiple Languages Simultaneously Im self-taught programmer and I studying PHP, Ruby and C++ at the same time. Is it advisable to do what Im doing? can you give me advice on what i should do first to enhance my learning curve? I want to become all around programmer that's why I want to study different languages at the same time. I want to feel comfortable in any of software applications even in web or desktop application Im just trying to make my skills more valuable and maximize the technology that we have today.

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• What server-side language should I learn to be able to start big user-input websites (like twitter, facebook, stackexchange...)?

  - by DarkLightA

  I'm thinking ASP.NET, but I don't really know. Can someone tell me what a good server-side language for the "Zuckerberg-dorm-room-starting-up-a-huge-website" deal? I know the latter used PHP, but as I've understood it that's kind of outdated and C#/ASP.NET is a better way to go about it. Is HTML + CSS + JavaScript + C#/ASP.NET MVC + MySQL a good combination for it? Is MySQL combined in ASP.NET MVC? Also, where's a good tutorial for the server-side language you suggest? As mentioned previously it has to be able to handle massive user-input without much fuss.

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• How should UI layer pass user input to BL layer?

  - by BornToCode

  I'm building an n-tier application, I have UI, BL, DAL & Entities (built from POCO) projects. (All projects have a reference to the Entities). My question is - how should I pass user input from the UI to the BL, as a bunch of strings passed to the BL method and the BL will build the object from the parameters, or should I build the objects inside the UI submit_function and send objects as parameters? EDIT: I wrote n-tier application, but what I actually meant was just layers.

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• What are the differences between Special Edition and the Third Edition of Stroustrup's The C++ Programming Language?

  - by TheBlueCat

  I'm buying a few C++ books after moving from Java. I obviously want to read the reference manual from the man himself, though I cannot tell the difference between these two editions. The special edition is ten pages shorter than the third edition. However, the special edition is recommended over the third edition and it seems this version covers the ASCII standard when the other edition does not. Can anyone shed a bit of light on this?

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• What is the best way to learn C# programming? [closed]

  - by MSU

  My case I want to get the capability of doing anything in C# from building applications to solving problems. I searched for and tried to read books. Then one of the experts said that reading books will not make any good and that to learn, you have to solve real world problems in C#, and he gave me some problems which I previously solved in C++. The thing is that while I know the internal logic of solving the problem, I don't know how to implement it using C# efficiently. I know the message to pass but not the exact way to pass it. I did a program to solve a problem, then find out there are much easier ways of doing it wherever I was doing it in tougher way. What I need to get hold of the language and get the ability to code in C# proficiently?

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• Is programming or computer science in general, all about algorithms?

  - by wakandan

  As a grad student, I find it more and more common for prestigious companies (like Google, Facebook, Microsoft,...) to put algorithm questions in their test and interviews. A few startups I applied to also asked about algorithms. I wonder if algorithms fluency is the most important thing for software developer in those companies? If the answer being yes, what are the best method or resources for one to learn & practice about algorithms effectively? I can't seem to get interested in solving seemingly too complicated problems found in most textbook or websites. Though easily understand basic algorithms (like quicksort, bubblesort,...), I find it immensely difficult to remember and reuse them later. Thanks. P/S: If you ask me what I like, it's building good softwares to solve users' problems innovatively. I suppose that does not necessarily mean the software has to be very complicated.

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• Programming ... where to start?

  - by agnesb

  For the last 4 months, I've working tirelessly on a project with my partner, who is a super programmer. He did 100% of the whole mechanism that makes our site work. My job is to take care of the cosmetic aspects of the site ... thus I should say I am good enough at CSS and html. However, since we are using Drupal to build our site, from time to time, I need his help in order to figure out how to do the customization. Sometimes, I got frustrated. I know that as a partner, I should know a little bit on how to program. However, during the crunch time when you have to deliver lightning fast (we have our site built from scratch to finish in 4 weeks ... and you are all welcome to come join the fun! It's a site for programmers!) there is no time to learn from the basics. All I can do is to pick up whatever I need at the moment. Now the site is launched, I am thinking it should be time to do some learning. So, where should I start? My partner always said I need to start with Python. What's your take on this? Thanks.

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• Schliemann's method of programming language learning

  - by DVK

  Background: 19th-century German archeologist Heinrich Schliemann was of course famous for his successful quest to find and excavate the city of Troy (an actual archeological site for the Troy of Homer's Iliad). However, he is just as famous for being an astonishing learner of languages - within the space of two years, he taught himself fluent Dutch, English, French, Spanish, Italian and Portuguese, and later went on to learn seven more, including both modern and ancient Greek. One of the methods he famously used was comparison of a known text, e.g. take a book in a language one is fluent in, take a good translation of a book in a language you wish to learn, and go over them in parallel. (various sources cited the book used by Schliemann to be the Bible, or, as the link above states, a novel). Now, for the actual question. Has anyone used (or heard of) an equivalent of Schliemann's method for learning a new programming language? E.g. instead of basing the leaning on references and tutorials, take a somewhat comprehensive set of programs known to have high-quality code in both languages implementing similar/identical algorithms and learn by comparing them? I'm curious about either personal experiences of applying such an approach, or references to something published, or existance of codebases which could be used for such an approach? What got me thinking about the idea was Project Euler and some code snippets I saw on SO, in C++, Perl and Lisp.

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• Compile time Meta-programming, with string literals.

  - by Hassan Syed

  I'm writing some code which could really do with some simple compile time metaprogramming. It is common practise to use empty-struct tags as compile time symbols. I need to decorate the tags with some run-time config elements. static variables seem the only way to go (to enable meta-programming), however static variables require global declarations. to side step this Scott Myers suggestion (from the third edition of Effective C++), about sequencing the initialization of static variables by declaring them inside a function instead of as class variables, came to mind. So I came up with the following code, my hypothesis is that it will let me have a compile-time symbols with string literals use-able at runtime. I'm not missing anything I hope. template<class Instance> class TheBestThing { public: void set_name(const char * name_in) { get_name() = std::string(name_in); } void set_fs_location(const char * fs_location_in) { get_fs_location() = std::string(fs_location_in); } std::string & get_fs_location() { static std::string fs_location; return fs_location; } std::string & get_name() { static std::string name; return name; } }; struct tag {}; int main() { TheBestThing<tag> x; x.set_name("xyz"); x.set_fs_location("/etc/lala"); ImportantObject<x> SinceSlicedBread; }

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• Dynamic Programming Recursion and a sprinkle of Memoization

  - by Auburnate

  I have this massive array of ints from 0-4 in this triangle. I am trying to learn dynamic programming with Ruby and would like some assistance in calculating the number of paths in the triangle that meet three criterion: You must start at one of the zero points in the row with 70 elements. Your path can be directly above you one row (if there is a number directly above) or one row up heading diagonal to the left. One of these options is always available The sum of the path you take to get to the zero on the first row must add up to 140. Example, start at the second zero in the bottom row. You can move directly up to the one or diagonal left to the 4. In either case, the number you arrive at must be added to the running count of all the numbers you have visited. From the 1 you can travel to a 2 (running sum = 3) directly above or to the 0 (running sum = 1) diagonal to the left. 0 41 302 2413 13024 024130 4130241 30241302 241302413 1302413024 02413024130 413024130241 3024130241302 24130241302413 130241302413024 0241302413024130 41302413024130241 302413024130241302 2413024130241302413 13024130241302413024 024130241302413024130 4130241302413024130241 30241302413024130241302 241302413024130241302413 1302413024130241302413024 02413024130241302413024130 413024130241302413024130241 3024130241302413024130241302 24130241302413024130241302413 130241302413024130241302413024 0241302413024130241302413024130 41302413024130241302413024130241 302413024130241302413024130241302 2413024130241302413024130241302413 13024130241302413024130241302413024 024130241302413024130241302413024130 4130241302413024130241302413024130241 30241302413024130241302413024130241302 241302413024130241302413024130241302413 1302413024130241302413024130241302413024 02413024130241302413024130241302413024130 413024130241302413024130241302413024130241 3024130241302413024130241302413024130241302 24130241302413024130241302413024130241302413 130241302413024130241302413024130241302413024 0241302413024130241302413024130241302413024130 41302413024130241302413024130241302413024130241 302413024130241302413024130241302413024130241302 2413024130241302413024130241302413024130241302413 13024130241302413024130241302413024130241302413024 024130241302413024130241302413024130241302413024130 4130241302413024130241302413024130241302413024130241 30241302413024130241302413024130241302413024130241302 241302413024130241302413024130241302413024130241302413 1302413024130241302413024130241302413024130241302413024 02413024130241302413024130241302413024130241302413024130 413024130241302413024130241302413024130241302413024130241 3024130241302413024130241302413024130241302413024130241302 24130241302413024130241302413024130241302413024130241302413 130241302413024130241302413024130241302413024130241302413024 0241302413024130241302413024130241302413024130241302413024130 41302413024130241302413024130241302413024130241302413024130241 302413024130241302413024130241302413024130241302413024130241302 2413024130241302413024130241302413024130241302413024130241302413 13024130241302413024130241302413024130241302413024130241302413024 024130241302413024130241302413024130241302413024130241302413024130 4130241302413024130241302413024130241302413024130241302413024130241 30241302413024130241302413024130241302413024130241302413024130241302 241302413024130241302413024130241302413024130241302413024130241302413 1302413024130241302413024130241302413024130241302413024130241302413024 02413024130241302413024130241302413024130241302413024130241302413024130

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• iPhone User Interface Design

  - by Blaenk

  Hey guys, I've just had a nagging question for a while regarding iPhone app user interfaces. For example, consider WeightBot's User Interface. I am wondering, how are most of these user interfaces created? In general, of course. Is there a way to simply design controls (that is, the images) in a program like Photoshop, then use that 'skin' for controls in UIKit? I realize that there are some controls that are probably created by the programmer (custom controls), but I'm referring to the ready-made ones that come in UIKit. In other words, is the concept similar to 'splicing' web site designs? Where a designer draws out the design of the website in something like Photoshop, and then it is cut up into pieces which can be applied to form the actual website? I know this can be done for UIButtons, can this also be done for other controls, and is this how it is usually done? Or perhaps this is done with Core Animation? I've heard this from time to time, so does this mean that the User Interfaces are 'hard-coded'? Or is Core Animation only use for the 'effects', such as applying the glowing effect to the numbers in WeightBot? If there are any resources you can point me to I would really appreciate it. Thanks!

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