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• How to make people new to programming stop asking me questions and distracting me?

  - by Radek S

  I am at secondary school right now and I'm the only one in my class who is experienced with programming. Because of that, people are constantly distracting me while I'm writing code to ask me to solve a problem. Usually I reply with something like 'I don't know, I never use that' but I don't want to lie to people. Another problem is that I became so well known for this that even students from other classes are asking me questions. I find this damn annoying. Thirdly, if I solve a problem for them they don't learn anything from it. How can I stop people from asking me programming-related questions in a kind way? I really don't like the lessons anymore (I am also punished with the need to use Windows, but that's less of an issue), but just don't visiting them is illegal by law.

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• C++ Building Static Library Project with a Folder Structure

  - by Jake

  I'm working on some static libraries using visual studio 2012, and after building I copy .lib and .h files to respective directories to match a desired hierarchy such as: drive:/libraries/libname/includes/libname/framework drive:/libraries/libname/includes/libname/utitlies drive:/libraries/libname/lib/... etc I'm thinking something similar to the boost folder layout. I have been doing this manually so far. My library solution contains projects, and when I update and recompile I simply recopy files where they need to be. Is there a simpler way to do this? Perhaps a way to compile the project with certain rules per project as to where the projects .h and .lib files should go?

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• Apple Developer Enterprise Program?

  - by Gnial0id

  I'm building an iOS application for a client (not an enterprise but non-profit association with under than 500 employess), distributed in a free version and a "paid" one. The free version will be available with iTunes/AppStore, no problem with that. But about the paid one... the distribution my client wants is different. They want to distribute it to their clients as a bonus in their subscription, and so, to control this distribution. The first answer would be "iOS Developer Enterprise Program", but it's not an enterprise and have less than 500 employees. Will the fact that my client will distribute the app' with a subscription be a problem ? I spend a lot of time to read documentation, but it is not very clear. I'm a bit lost, I admit it. Any help would grateful.

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• Is there really Object-relational impedance mismatch?

  - by user52763

  It is always stated that it is hard to store applications objects in relational databases - the object-relational impedance mismatch - and that is why Document databases are better. However, is there really an impedance mismatch? And object has a key (albeit it may be hidden away by the runtime as a pointer to memory), a set of values, and foreign keys to other objects. Objects are as much made up of tables as it is a document. Neither really fit. I can see a use for databases to model the data into specific shapes for scenarios in the application - e.g. to speed up database lookup and avoid joins, etc., but won't it be better to keep the data as normalized as possible at the core, and transform as required?

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• Using table-styled divs instead of tables

  - by mister martin

  I was referred here from stackoverflow as my question was apparently too broad. I'm working on a template, and I know using CSS is preferred over HTML tables for positioning... But, is it acceptable to get the best of both worlds and use table-like styles on my divs? For example: display: table; This not only helps solve the sticky footer problem, but it also avoids the pains associated with using floats. Somehow it feels dirty, but I can't logically explain why because it works without any "tricks" or ugly hacks, which is how it should be, right? Is this technically incorrect, or does it ultimately boil down to just a matter of opinion? ...Thoughts?

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• Do the best developers look for a better job, or a better job finds them?

  - by Vasil Remeniuk

  As an example, one of the JavaPosse (popular Java podcast) hosts, Tor Norbey, has recently moved from Oracle to Google, and I'm more that sure that he has been lured (he definitely has not been sending his CV to Google). The rumor has it that 'high-level' developers are never hired through the job-sites. So, (given that you're a good developer) when you what to hold an appealing position in the company that interests you, and invest a lot of time into increasing your online-presence and self-branding blogging, twitting, contributing to opensource, actively participating in community sites (e.g., Stackoverflow), should you send your CVs here and there or just wait for proposals?

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• Exposing warnings\errors from data objects (that are also list returned)

  - by Oren Schwartz

  I'm exposing Data objects via service oriented assembly (which on future usages might become a WCF service). The data object is tree designed, as well as formed from allot of properties.Moreover, some services return one objects, others retrieve a list of them (thus disables throwing exceptions). I now want to expose data flow warnings and wondering what's the best way to do it having to things to consider: (1) seperation (2) ease of access. On the one hand, i want the UI team to be able to access a fields warnings (or errors) without having them mapping the field names to an external source but on the other hand, i don't want the warnings "hanged" on the object itself (as i don't see it a correct design). I tought of creating a new type of wrapper for each field, that'll expose events and they'll have to register the one's they care about (but totally not sure) I'll be happy to hear your thoughts. Could you please direct me to a respectful design pattern ? what dp will do best here ? Thank you very much!

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• Software Tester to Developer [closed]

  - by Mayu Mayooresan

  Possible Duplicate: How do I become a developer? Its not a question related to programming but related to career. Last 2 and half year I've been working as a Software Tester and i'm seriously considering a track change to programmer. but the problems I think of is.. 1. My age (28) 2. My IT experience with Testing 3. Salary wont match if I change the track as I have to start from scrach. Wot do you think guys?? Please advice me. Is it better to change track or stay in Tester job?? I think I dont seem to like tester job. Please advice. Thanks in advance.

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• Allocating memory inside a function and returning it back

  - by user2651062

  I want to pass a pointer to my function and allocate the memory to which this pointer points. I've read in other posts that I should pass a double pointer to this function and I did so, but I keep getting segmentation fault: #include <iostream> #include <stdlib.h> using namespace std; void allocate(unsigned char** t) { *t=(unsigned char*)malloc(3*sizeof(unsigned char)); if(*t == NULL) cout<<"Allcoation failed"<<endl; else for(int m=0;m<3;m++) *(t[m])=0; } int main() { unsigned char* t; allocate(&t); cout<<t[0]<<" "<<t[1]<<endl; return 0; } the result is always this: Segmentation fault (core dumped) I don't think that there's anything missing from this code. What could be wrong?

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• Open source framework quality [closed]

  - by Jonas Byström

  It's not hard to find snippets, components or tools/toolkits in the open source world which holds the quality bar really high. Myself I use git, python, linux, gcc, bash and a whole range of others on a daily basis, and I love them. But when it comes to bigger frameworks, which are intended for facilitating larger tasks of an application without much interference, I'm not as enthusiastic. I've tried a few commercial frameworks (game engines), which were okay, but all big open source frameworks which I've used myself, or which I have seen used in applications were decidedly worse than the commercial equivalent. But I'm not sure if my experience was typical. Where have bigger open source frameworks for facilitating larger tasks of an application been able to equal or exceed commercial frameworks, and how were they better?

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• systems/software engineering design process

  - by adam kim

  I just developed my first non-trivial android app. It was a complete nightmare. I came up with an idea, build the app, changed my idea, and implemented a lot of input from others on new features. All in all my app took 10 times longer than I think that it should have, it is almost impossible to look the source code and tell what's going on with the classes, and may or may not have unused methods that I'll never be able to find... So I would like an opinion from those of you with experience on how to plan out my designs for the future. I created a flow chart (pencil drawn) of a plan: I would like constructive criticism.

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• Writing Large Portions Of Code Then Debugging?

  - by The Floating Brain

  Lately I have been writing a game engine, and I have been writing a lot of "foundation stuff" (standard interfaces, modules, a message system ect.), but I have noticed a pattern, a lot of the stuff is interdependent and I can not debug until everything is done, hence I do not debug for about 3 to 5 hours at a time. I am wondering if this is an acceptable practice for this part of the project, and if not, if anyone can give me some advice? -----Update-----: I downloaded some code metrics tools, and my programs cyclomatic complexity is 1.52 which as I understand it is good, and should correlate to high cohesion, if I am wrong please correct me/

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• Consuming JSON stream into AWS Database on the cheap

  - by wjl

  I'm working on a project that needs to consume a JSON stream (approximately 1MB / minute), and parse and insert objects into a database. Amazon's DynamoDB or SimpleDB seem like attractive options for this. Is there a web service that can run a very simple script to eat the data and put it in a database? I could use a worker on Heroku or Elastic Beanstalk, or even pure EC2, but I'd like to find a service that's much cheaper, due to the very low amount of bandwidth and CPU required. (Sorry for the crappy tags. I'm not even sure where to categorize this question.)

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• Should I use both WCF and ASP.NET Web API

  - by Mithir

  We already have a WCF API with basichttpbinding. Some of the calls have complex objects in both the response and request. We need to add RESTful abilities to the API. at first I tried adding a webHttp endpoint, but I got At most one body parameter can be serialized without wrapper elements If I made it Wrapped it wasn't pure as I need it to be. I got to read this, and this (which states "ASP.NET Web API is the new way to build RESTful service on .NET"). So my question is, should I make 2 APIs(2 different projects)? one for SOAP with WCF and one RESTful with ASP.NET Web API? is there anything wrong architecturally speaking with this approach?

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• How to create single integer index value based on two integers where first is unlimited?

  - by Jan Doggen

  I have table data containing an integer value X ranging from 1.... unknown, and an integer value Y ranging from 1..9 The data need to be presented in order 'X then Y'. For one visual component I can set multiple index names: X;Y But for another component I need a one-dimensional integer value as index (sort order). If X were limited to an upper bound of say 100, the one-dimensional value could simply be X*100 + Y. If the one-dimensional value could have been a real, it could be X + Y/10. But if I want to keep X unlimited, is there a way to calculate a single integer 'indexing' value from X and Y? [Added] Background information: I have a Gantt/TreeList component where the tasks are ordered on a TaskIndex integer. This does not need to be a real database field, I can make it a calculated field in the underlying client dataset. My table data is e.g. as follows: ID Baseline ParentID 1 0 0 (task) 5 2 1 (baseline) 8 1 1 (baseline) 9 0 0 (task) 12 0 0 (task) 16 1 12 (baseline) Task 1 has two baselines numbered 1 and 2 (IDs 8 and 5) Task 9 has no baselines Task 12 has one baseline numbered 1 (ID 16) Baselines number 1-9 (the Y variable from my question); 0 or null identify the tasks ID's are unlimited (the X variable) The user plays with visibility of baselines, e.g. he wants to see all tasks with all baselines labeled 1. This is done by updating a filter on the table. Right now I constantly have to recalculate TaskIndex after changing the filter (looping through records). It would be nice if TaskIndex could be calculated on the fly for each record knowing only the data in the current record (I work in Delphi where a client dataset has an OnCalcFields event handler, that is triggered for each record when necessary). I have no control over the inner workings of the visual component.

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• Is it customary to write Java domain objects / data transfer objects with public member variables on mobile platforms?

  - by Sean Mickey

  We performed a code review recently of mobile application Java code that was developed by an outside contractor and noticed that all of the domain objects / data transfer objects are written in this style: public class Category { public String name; public int id; public String description; public int parentId; } public class EmergencyContact { public long id; public RelationshipType relationshipType; public String medicalProviderType; public Contact contact; public String otherPhone; public String notes; public PersonName personName; } Of course, these members are then accessed directly everywhere else in the code. When we asked about this, the developers told us that this is a customary performance enhancement design pattern that is used on mobile platforms, because mobile devices are resource-limited environments. It doesn't seem to make sense; accessing private members via public getters/setters doesn't seem like it could add much overhead. And the added benefits of encapsulation seem to outweigh the benefits of this coding style. Is this generally true? Is this something that is normally done on mobile platforms for the reasons given above? All feedback welcome and appreciated -

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• Do you think asking to sign contributor license agreement for a open source project creates a resistance for contributors?

  - by Appu

  I am working on a open-source project which is backed by an organization. Organization pays a team to make this open-source project. This project will be licensed with GPLv3. We are debating on having a CLA for contributors. Do you think mandating a CLA will reduce the number of contributors? I have observed that people have no issues in signing a CLA when the project is really popular. So do you think CLA will create a resistance to contribute?

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• What is the intention behind asking weight of plane?

  - by AKS

  I was asked this question "How would you find weight of Aeroplane" in an interview and I am not sure why this question was one of the two question asked in the interview. I tried to answer it using all possible ways but could not give the correct answer.(found the correct answer after google search) How much such questions decide your selection in the interview? Here was my approach: 1. If measurement of plane is given then i will calculate volume and multiply by density, will consider fuel weight plus other dead weight. 2. Using water displacement method if i can put plane in water and somehow measure how much water is displaced. But found using google search that right approach was to put place on a ship and mark the level of water on the hull, then remove plane and then ship will go up. And start putting weight on the ship till marked hull reaches the water level.

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• Is there a variable width font that does not change width when adding effects like bold, italic?

  - by George Bailey

  NetBeans has a word wrap feature now - but if the font changes width when bold then it gets all jumpy and sometimes hard to work with. Edit: It turns out that even with Courier New that NetBeans word wrap still jumps up and down lines at a time at random. I guess that this question no longer cares for an answer. However,, it seems that there is no answer. (at least nobody has brought one up yet) I am currently using Comic Sans MS which gets wider when bold.

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• LINQ Style preference

  - by Erin

  I have come to use LINQ in my every day programming a lot. In fact, I rarely, if ever, use an explicit loop. I have, however, found that I don't use the SQL like syntax anymore. I just use the extension functions. So rather then saying: from x in y select datatransform where filter I use: x.Where(c => filter).Select(c => datatransform) Which style of LINQ do you prefer and what are others on your team are comfortable with?

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• Can SAML use saleforce login information to log into another system inside a view?

  - by steve

  I want my sales people, whom use salesforce every day, to be able to view orders in a ecommerce system through a dashboard view in salesforce. The ecom is built and sitting on my web server but the sales reps dont like to log into too many things in one day so they are not using what I built them. I read recently that salesforce can use SAML but it was unclear as to what you can do with it. What I'd like, is to make a new dash board view that will open up the ecom inside of salesforce. The ecom uses a login system but if it is inside of saleforce would SAML automatically log into the ecom?

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• Application Development: Python or Java (or PHP)

  - by luckysmack

  I'm looking to get into application development, such as Facebook or Android apps and games. I am doing this for fun and to learn. Once my skills are to par I would like to have some side income from the apps, but I'm not banking on living off that (just so you know where I'm coming from and know what my end goals are). Currently I know and am familiar with PHP and frameworks such as cakephp and yii. However, I have been wanting to learn another language to broaden my horizons and to become a better developer. So I have narrowed it down to 2 languages. Python, and Java (I can already hear people cringing at the difference in the languages I have chosen, but I have some reasons). Python: closer to PHP that Java. Cross platformability. Also great as a general scripting language and has many file system level benefits that PHP does not. Cleaner syntax, readability, blah blah and the list goed on. Python will work great for cross platform apps and can be run on many OS's and is supported by Facebook for app development. But there is no support on Android (for full fledged apps). Java: a much stronger typed language, very robust community and corporate backing. Knowing Java is also good for personal marketability for enterprises, if you're into that. The main benefit here is that Java can write apps natively for Android and the apps can be ported for web versions to play on Facebook. So while I have seen many developers prefer Java over the two, Java has this significant advantage, where I can market my apps in both markets and in the future build more potential income. But like I said it is for fun. While money isn't the goal, it would still be nice. PHP: I'm putting this here because I know it already, and I'm sure a case could be made for it. It obviously works great for Facebook but like Python does not do so well on android. While it's mostly the realm of 'application development' that appeals to me, I do find Android apps fairly interesting and something that has a ton of potential to. But then again Facebook has a ton more users and the apps can also potentially be more immersive (desktop vs. mobile). So this is why I'm kinda stuck on what route to choose. Python for Facebook and web apps, with likely faster development to production times, or Java which can be developed for any of the platforms to make apps. Side note: I'm not really trying to get into 3D development, mostly 2D. And I also want to make an app with real-time play (websockets, etc). Someone mentioned node, js to me for that but Python seems to be more globally versatile for my goals. So, to anyone that does Facebook or Android development in either language: what do you suggest? Any input is valuable and I do appreciate it. And sorry for being long winded. EDIT: as mentioned in one of the answers, my primary goal is gaming. Although I do have some plans for non gaming apps such as general web based and desktop based ones. But gaming is my main goal with the possibility of income. EDIT: Another consideration could be Jython. Writing Python code which is converted into Java bytecode. This would allow the ability to do Android apps using Python. I could be wrong though, I'm still looking into it. Update 1-26-11: I recently acquired a new job which required I learn .NET using C#. Im sure some of you are cringing already but I really like the whole system and how it all works together between desktop and web development. But, as I am still interested in Python very much, and after some research I have decided I will learn Python as well as the IronPython implementation for .NET. But (again: I know...) since .NET is mostly a Windows thing and not as cross-compatible as I like, I will be learning Mono which is a cross platform implementation of .NET where I can use what I learn at work using C# and what I want to learn, Python/IronPython. So while learning and writing C#/.NET @ work I will be learning Python - Mono - Iron Python for what I want to do personally. And the benefit of them all being very closely related will help me out a lot, I think. What do you guys think? I almost feel like that should be another question, but there's not much of a question. Either way, you guys gave very helpful input.

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• TypeScript or JavaScript for noob web developer [closed]

  - by Phil Murray

  Following the recent release by Microsoft of TypeScript I was wondering if this is something that should be considered for a experienced WinForm and XAML developer looking to get into more web development. From reviewing a number of sites and videos online it appears that the type system for TypeScript makes more sense to me as a thick client developer than the dynamic type system in Javascript. I understand that Typescript compiles down to JavaScript but it appears that the learning curve is shallower due to the current tooling provided by Microsoft. What are your thoughts?

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• Changing from Frontend Development to .Net

  - by Ivo

  On of my colleagues is going to change jobs from full time frontend developer(jquery, css,html) to 50% frontend 50% .Net (MVC 3 with razor) What are good techniques to get him up to speed asap. I have the following idea's myself Read Clean Code Read/Pratice with the book Pro ASP.NET MVC 3 Framework Watch Asp.net video's http://www.asp.net/mvc/videos Do the nerd dinner intro http://www.asp.net/mvc/videos Start building the json services from jQuery 0.5/1 day of pair programming with an experienced .Net developer each week Is this a good way to go? Is it totally wrong? Any other tips

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• How to manage and improve web application with 50 customers?

  - by Muhammet Göktürk Ayan

  First of all, sorry for my English. We've developed a Web Application using ASP.NET and Sql Server. We've started selling it and of course are still continually improving and developing it. The question is, how do we go about updating each client's version of the site? We have, maybe, 50 customers. 50 different folders and 50 different db's sounds like a bad idea. Is there any known method for solving this kind of scenario? For Explain: We are developing a Crm, for 50 companies. They will have 10 users maybe. It makes 500 users and their customers and products.

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