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• Best/Bad practices for code sharing?

  - by sunpech

  The more I explore Github, the more I like it. I really enjoy how coding is becoming more social. I'm curious as to if there are any bad practices that programmers should avoid in sharing their code with each other. And in naming bad practices, what are the best practices for code sharing? For example: Is it a bad practice for a single repo to have multiple scripts/projects named 'MiscProjects'? Where this repo, as the name suggest, is a collection of miscellaneous small scripts and projects. This may resemble how a programmer organizes projects on his/her local storage, but it's possibly not optimal for code sharing? Maybe if a good README/documentation is done, it would be better? Or as long as it's well documented, anything goes?

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• Copy HTML code but without javascript changes [closed]

  - by PaulP

  In Firebug there is very useful "Copy HTML" option in HTML Tab. But that copied HTML code also includes javascript changes like for example added new classes on document.ready (jQuery) event. I would like to copy raw HTML code like in "View source" option (it is every browser) without and javascript changes. Yes, I can use "View source" option but code in there is very scattered and it is very hard to copy one big HTML node not losing closing tag and in firebug with fold blessing I can match folded HTML node, right click and select "Copy HTML".

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• Comment intégrer des chaines binaires dans un code source python en base64, par Jean-Paul Vidal

  On appellera ici ?chaine binaire? une chaine de caractères dans laquelle chaque caractère peut avoir une valeur de 0 à 255 (bornes comprises). Intégrer une chaine binaire dans le code source n'est pas facile, parce que la chaine binaire peut comporter a priori des octets de 0 à 255, mais les caractères intégrables dans le code source, donc affichables, devraient exclure au minimum les caractères de contrôles inférieurs à 32, certains caractères comme les guillemets ou les backslashs et se limiter à des octets inférieurs 128 (c'est-à-dire rester à 7 bits) pour échapper aux problèmes d'encodages. On va utiliser ici le module base64. Comment intégrer des chaines binaires dans le code source en base6...

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• RevoluteJoint Stop Rotating when Some Physics Body Collide in Andengine + Box2d?

  - by Nikhil Lamba

  I am making a Game from andengine + box2d in Which i am using RevoluteJoint in that case i am facing some problem that when physics body or Sprite Collide with this Revolute joint body then Revolute body stop rotating then after some time it start rotating I am using below code for this : this.mPhysicsWorld.registerPhysicsConnector(new PhysicsConnector(movingFace, movingBody, true, true)); final RevoluteJointDef revoluteJointDef = new RevoluteJointDef(); revoluteJointDef.initialize(anchorBody, movingBody, anchorBody.getWorldCenter()); revoluteJointDef.enableMotor = true; revoluteJointDef.motorSpeed = 100; revoluteJointDef.maxMotorTorque = 200; this.mPhysicsWorld.createJoint(revoluteJointDef); EDIT Here is a screenshot:

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• Triggering custom events in AJAX callbacks

  - by Sabrina Gelbart

  I'm pretty new to JavaScript, but one of the things that's been frustrating is that our AJAX callbacks have been getting packed with different functionality, making it difficult to keep everything separated and organized. I'm really new to programming, I have a feeling learning MVC a bit more would help me, but for now using custom events seems like it could help me keep my code a lot cleaner and prevent some problems. Here's what I'm talking about: function myAjaxFunction(){ $.post('ajax/test.html', function(data) { $(document).trigger('testDataLoaded',data); }); } function myOtherFunctionThatsDependentUponAjax(){ $(document).one('testDataLoaded', function(data){ alert (data); } } I also don't know if it's ok that I'm triggering document or not... Are there any patterns that look like this that I can read more about? What are the potential problems with this?

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• Should we rename overloaded methods?

  - by Mik378

  Assume an interface containing these methods : Car find(long id); List<Car> find(String model); Is it better to rename them like this? Car findById(long id); List findByModel(String model); Indeed, any developer who use this API won't need to look at the interface for knowing possible arguments of initial find() methods. So my question is more general : What is the benefit of using overloaded methods in code since it reduce readability?

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• can a guy with embedded system background go into game development

  - by NANDAGOPAL

  Well, I finished my Masters in Embedded Systems, and I am working in GUI development, and working with graphic tools and images and GUI's keep me glued to my seat more than working on code for MUP/MUC . And I want to give game development a Fair chance, try out developing a game from scratch using basic libraries then tryout the same in a free/open source game engine and there is a good chance I may fall in love with it, but it is poissible for a person with an Electrical and Electronics Bachelors and Embedded Systems Masters ( just a years experience in the field) go into game development and be successful in the profession. And I asked the same question @ stackoverflow.com (wrong place to ask ) http://stackoverflow.com/questions/13794822/can-a-guy-with-embedded-system-background-go-into-game-development/13794943#13794943 And I received good but a very generic answer. I would be happy to know the actual pro's and con's of a master's in embedded systems migrating to Game Dev And I am extremely sorry for asking the same question for the third time but I really did not know that stackoverflow had so many sister sites, So a really big sorry, and an even bigger thank you!

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• When should method overloads be refactored?

  - by Ben Heley

  When should code that looks like: DoThing(string foo, string bar); DoThing(string foo, string bar, int baz, bool qux); ... DoThing(string foo, string bar, int baz, bool qux, string more, string andMore); Be refactored into something that can be called like so: var doThing = new DoThing(foo, bar); doThing.more = value; doThing.andMore = otherValue; doThing.Go(); Or should it be refactored into something else entirely? In the particular case that inspired this question, it's a public interface for an XSLT templating DLL where we've had to add various flags (of various types) that can't be embedded into the string XML input.

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• Micro QR Code Generator with minimal error correction

  - by Florian Peschka

  I am searching a Micro QR Code Generator that fulfills the following requirements: At least 20 characters encoded Minimal error correction (required to get the 20 characters stuffed in) I already searched google, but it seems all micro qr generators automatically use maximum error correction, which is very unhandy for my task, as we need the 20 characters completety. I can't use standard QR because there are certain requirements that need the code to be smaller than a certain dimension when printed... I hope someone can help me. PS: I'm not sure that this is the right board to post this question on, so feel free to redirect me to a better board if you have an idea. PPS: If nothing can be found and I'm forced to write one on my own: Where can I find detailed information on how to write a QR code generator?

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• Are CK Metrics still considered useful? Is there an open source tool to help?

  - by DeveloperDon

  Chidamber & Kemerer proposed several metrics for object oriented code. Among them, depth of inheritance tree, weighted number of methods, number of member functions, number of children, and coupling between objects. Using a base of code, they tried to correlated these metrics to the defect density and maintenance effort using covariant analysis. Are these metrics actionable in projects? Perhaps they can guide refactoring. For example weighted number of methods might show which God classes needed to be broken into more cohesive classes that address a single concern. Is there approach superseded by a better method, and is there a tool that can identify problem code, particularly in moderately large project being handed off to a new developer or team?

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• 'Other' Features in a programming language

  - by user12960

  Online (i cant remember where) i saw someone mention he wishes programming language has more built in features for tools like documentation and source control. Now i dont understand what needs to be built in for source control since tools like git (sorry but i dont have much experience with others) has everything i need and is very easy to use. Documentation i can understand, perhaps the ability to generate remote procedures calls from source to some kind of IDL would be cool. But really i dont understand what features a programming language can/should have that isnt tied with code generation and syntax (except the two i mention when it comes to libraries). What ideas do you guys have? What is your wishlist?

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• Security issue about making my code public in GitHub

  - by John Doe

  I'm developing a big community/forum website and I'd like to upload my code to GitHub to have at least some sort of version control over it (because I have nothing other than a .rar file as a backup, not even SVN), to let others contribute to the project, and also perhaps using it to let my potential future employers see some of my code as some sort of curriculum. But what I'm wondering now, and I'm suprised I haven't seen anyone mention it before is the security aspect of it. Isn't publishing the code of a website a HUGE security hole? Is like giving a potential hacker or anyone who would like to find any potential exploit possible, even considering that the critical files aren't uploaded (database passwords, authentication scripts, etc.). Of course that there are millions of projects uploaded to GitHub and no one will find mine just 'by chance'. But if they look for it, it would indeed be there. Bottomline: my problem is not about copyright or licenses, but others finding exploits in my website. I'm I missing something here?

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• Dangerous programming

  - by benhowdle89

  Ok, i'm talking pure software/web, i'm not on about code to power Life Support machines or NASA rockets. In terms of software/web development what is the most dangerous single piece of code someone could put into a program (say if they had a grudge against a client/employee) In PHP, the first thing that comes to mind is some sort of file deletion: function EmptyDir($dir) { $handle=opendir($dir); while (($file = readdir($handle))!==false) { echo "$file <br>"; @unlink($dir.'/'.$file); } closedir($handle); } EmptyDir('images'); Or a PHP script that takes a user's sensitive input and posts it to Google sitemap or something? I hope this doesnt get closed off as subjective as there surely must be a ranking order of dangerous code. So i'm asking for the No.1 spot :) DISCLAIMER: I have no grudges against anyone, just curious for the answer!

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• C or assembly code to find current cpu core speed

  - by honestann

  How can my application efficiently determine the following information peroidically while it executes: 1: current speed of each of the 8 CPU cores. 2: which core the code is currently executing on. My application is C and assembly-language, so any solution in either C or assembly-language is fine. This code needs to execute quickly, so creating, reading and processing a file generated by "cat /proc/cpuinfo" is much too slow. The cores slow-down and speed-up automatically, probably to keep CPU temperature under control. Therefore, a one-time measure is not sufficient for my purposes. My application already reads and subtracts the cpu cycle counter in assembly language to determine number of clock cycles, but my program cannot compute elapsed time in nanoseconds unless it knows the current clock frequency of the cpu cores (and which core the code is executing on). Thanks!

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• How to document/verify consistent layering?

  - by Morten

  I have recently moved to the dark side: I am now a CUSTOMER of software development -- mainly websites. With this new role comes new concerns. As a programmer i know how solid an application becomes when it is properly layered, and I want to use this knowledge in my new job. I don't want business logic in my presentation layer, and certainly not presentation stuff in my data layer. Thus, I want to be able to demand from my supllier that they document the level of layering, and how neat and consistent the layering is. The big question is: How is the level of layering documented to me as a customer, and is that a reasonable demmand for me to have, so I don't have to look in the code (I'm not supposed to do that anymore)?

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• Code from my DevConnections Talks and Workshop

  - by dwahlin

  Thanks to everyone who attended my sessions at DevConnections Las Vegas. I had a great time meeting new people, discussing business problems and solutions and interacting. Here’s the code and slides for the sessions.  For those that came to the full-day Silverlight workshop I’ve included the slides that didn’t get printed plus a ton of code to help you get started with various Silverlight topics.   Get Started Building Silverlight Applications Building Architecturally Sound Silverlight Applications Using WCF RIA Services in Silverlight Applications (will post soon) Silverlight Data Integration Options and Usage Scenarios Silverlight Workshop Code

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• Is data integrity possible without normalization?

  - by shuniar

  I am working on an application that requires the storage of location information such as city, state, zip code, latitude, and longitude. I would like to ensure: Location data is accurate Detroit, CA Detroit IS NOT in California Detroit, MI Detroit IS in Michigan Cities and states are spelled correctly California not Calefornia Detroit not Detriot Cities and states are named consistently Valid: CA Detroit Invalid: Cali california DET d-town The D Also, since city/zip data is not guaranteed to be static, updating this data in a normalized fashion could be difficult, whereas it could be implemented as a de facto location if it is denormalized. A couple thoughts that come to mind: A collection of reference tables that store a list of all states and the most common cities and zip codes that can grow over time. It would search the database for an exact or similar match and recommend corrections. Use some sort of service to validate the location data before it is stored in the database. Is it possible to fulfill these requirements without normalization, and if so, should I denormalize this data?

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• First Person Shooter game agent development

  - by LangerHansIslands

  I would like to apply (program) the Artificial intelligence methods to create a intelligent game bots for a first person shooter game. Do you have any knowledge from where can I start to develop as a Linux user? Do you have a suggestion for an easy-to-start game for which I can develop bots easily, caring more about the result of my algorithms rather than spending a lot of time dealing with the game code? I've read some publications about the applied methods to Quake 3 (c) and Open Arena. But I couldn't find the source codes and manuals describing how to start coding( for compiling, developing ai and etc.). I appreciate your help.

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• South Florida Code Camp 2011 - 02/12/2011 - Final Days to register

  - by Nikita Polyakov

  South Florida Code Camp - 02/12/2011 - Final Days to register 13 tracks, 78 sessions, 65 speakers Topics include: Windows Phone 7, Silverlight, Web dev, Architecture/Agile, Sharepoint and SQL Networking with 700 other software developers, over 800 already registered! Free breakfast and lunch Hobnob with speakers, MVP's and authors Party afterwards with attendees and speakers Convenient location at Nova University in Davie Free XBOX 360 Kinect 250 GB raffle (must be present) Free raffle of valuable software, books and swag Free Code Camp T-shirt Book swap - see site for details You get to say "I was there!" More information: http://www.fladotnet.com/codecamp   Register now at: https://www.clicktoattend.com/invitation.aspx?code=150628 (some people have had a problem with this link but click again and it should work). I am presenting Windows Phone Marketplace session. Marketplace and Monetization Details of Windows Phone Marketplace and using Microsoft Advertising SDK control. Monetization strategies, rules and tips for making the best out of your post writing the Windows Phone app experience. Many speakers end up hanging out in the back and this session turns into a open discussion panel.

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• Legal responsibility for emebedding code

  - by Tom Gullen

  On our website we have an HTML5 arcade. For each game it has an embed this game on your website copy + paste code box. We've done the approval process of games as strictly and safely as possible, we don't actually think it is possible to have any malicious code in the games. However, we are aware that there's a bunch of people out there smarter than us and they might be able to exploit it. For webmasters wanting to copy + paste our games on their websites, we want to warn them that they are doing it at their own risk - but could we be held responsible if say for instance a malicious game was hosted on an important website and it stole their users credentials and cause them damage? I'm wondering if having an HTML comment in the copy + paste code saying "Use at your own risk" is sufficient.

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• Builder Pattern: When to fail?

  - by skiwi

  When implementing the Builder Pattern, I often find myself confused with when to let building fail and I even manage to take different stands on the matter every few days. First some explanation: With failing early I mean that building an object should fail as soon as an invalid parameter is passed in. So inside the SomeObjectBuilder. With failing late I mean that building an object only can fail on the build() call that implicitely calls a constructor of the object to be built. Then some arguments: In favor of failing late: A builder class should be no more than a class that simply holds values. Moreover, it leads to less code duplication. In favor of failing early: A general approach in software programming is that you want to detect issues as early as possible and therefore the most logical place to check would be in the builder class' constructor, 'setters' and ultimately in the build method. What is the general concensus about this?

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• What's the best practice for async APIs that return futures on Scala?

  - by Maurício Linhares

  I have started a project to write an async PostgreSQL driver on Scala and to be async, I need to accept callbacks and use futures, but then accepting a callback and a future makes the code cumbersome because you always have to send a callback even if it is useless. Here's a test: "insert a row in the database" in { withHandler { (handler, future) => future.get(5, TimeUnit.SECONDS) handler.sendQuery( this.create ){ query => }.get( 5, TimeUnit.SECONDS ) handler.sendQuery( this.insert ){ query => }.get( 5, TimeUnit.SECONDS ).rowsAffected === 1 } } Sending the empty callback is horrible but I couldn't find a way to make it optional or anything like that, so right now I don't have a lot of ideas on how this external API should look like. It could be something like: handler.sendQuery( this.create ).addListener { query => println(query) } But then again, I'm not sure how people are organizing API's in this regard. Providing examples in other projects would also be great.

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• Codeblocks gui problems [closed]

  - by foobar

  I'm having problems with Code::Blocks 10.05 my os specs: Ubuntu 11.04 - fresh install gtk theme: Ambiance Unity The actual problem (don't mind the code nor the errors) the most visible one - stripes As I scroll down the code, the horizontal stripes start to show up. I think it's some problem with the screen updating, because when I force it to update (for example by selecting the text or invocating the contextual menu by pressing the right mouse button), the stripes disappear. the second one - font colour bug I believe this is the Ambiance's bug because it doesn't happen in other themes. You can see it in the left panel where it says "Workspace" and in the panel at the bottom in the Build messages tab: the selected line makes the text barely readable. Is there any fix to these bugs? Thanks.

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• Slides, Code, and Photos from SPTechCon San Francisco 2011

  - by Brian Jackett

  Note: This is a temporary post containing my slides and code from my session “The Expanding Developer Toolbox for SharePoint 2010” at SPTechCon San Francisco 2011.     Thanks to all of my attendees that came to “The Expanding Developer Toolbox for SharePoint 2010”.  They had such great questions that we ran out of time before covering all of the planned material.  I wanted to provide my slides and code samples so that you can walk through them sooner than later.  I’ll update this post after the event with a more complete post. Slides and Code   Click here for “The Expanding Developer Toolbox for SharePoint 2010” materials         -Frog Out

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• How do I approach large companies if I have a killer mobile game idea?

  - by Balázs Dávid

  I have an idea for a game that has potential, but I'm not a programmer. How do I tell this to development companies without having my idea stolen? All I want from the company is for somebody to watch a three minute long video presentation about my idea and if they see potential in it then we can talk about the details. I have already sent an e-mail to several big companies that have the expertise needed to code the game, they haven't answered me. Actually the idea is nothing fancy, no 3D, but fun and unique.

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