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• Release notes for 9/25/2012

  Below are the release notes from today's deployment. 1. With today’s deployment we’ve made some significant changes to the source code experience. First of all, you’ll noticed that we moved the Source Code tab closer to the project home tab.   We believe that this will help make source code more discoverable and emphasizes our focus on developer collaboration. The next thing you’ll notice is that when you click on the Source Code tab, you will immediately be browsing code. We want to get you to the project source code in a minimum number of clicks, and this change helps get you there. The changeset history is still there, which brings us to the next change… We implemented an action bar in the source code section, which will make certain actions more discoverable, including forking, cloning, and downloading source code The popups in the action bar will help you perform the tasks you need to do when contributing to projects, as well as managing your own projects. Take a look at how easy it is to find the clone/connection URL now! 2. The second exciting thing we turned on this week is the ability to enable Windows Azure Web Sites to build and deploy your project source code (for Git source code projects). You can read more about how to do this in Mark's post here. 3. We also made some improvements in other areas this week: Made some improvements to screen reader accessibility Fixed some minor UI issues in the browse source code page We'd love to have your feedback on the new changes to the source code tab. Please let us know what you think on our suggestions page, send us a message on Twitter @codeplex, or you can reach Mark Groves directly @mgroves84

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• Web application design with distributed servers

  - by Bonn

  I want to build a web application/server with this structure: main-server sub-server transaction-server (create, update, delete) view-server (view, search) authentication-server documents-server reporting-server library-server e-learning-server The main-server acts as host server for sub-server. I can add many sub-servers and connect it to main-server (via plug-play interface maybe), then it can begin querying data from another sub-servers (which has been connected to the main-server). The sub-servers can be anywhere as long as connected to internet. The main-server can manage all sub-servers which are connected to it (query data, setting permission between sub-servers, etc). The purpose is simple, the web application will be huge as the company grows, so I want to distribute it into small connected plug-able servers. My question is, does the structure above already have a standardized method? or are there any different views? what are the technologies needed? I need a lot of researches before the execution plan begin. thanks a lot.

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• Dealing with the node.js callback pyramid

  - by thecoop

  I've just started using node, and one thing I've quickly noticed is how quickly callbacks can build up to a silly level of indentation: doStuff(arg1, arg2, function(err, result) { doMoreStuff(arg3, arg4, function(err, result) { doEvenMoreStuff(arg5, arg6, function(err, result) { omgHowDidIGetHere(); }); }); }); The official style guide says to put each callback in a separate function, but that seems overly restrictive on the use of closures, and making a single object declared in the top level available several layers down, as the object has to be passed through all the intermediate callbacks. Is it ok to use function scope to help here? Put all the callback functions that need access to a global-ish object inside a function that declares that object, so it goes into a closure? function topLevelFunction(globalishObject, callback) { function doMoreStuffImpl(err, result) { doMoreStuff(arg5, arg6, function(err, result) { callback(null, globalishObject); }); } doStuff(arg1, arg2, doMoreStuffImpl); } and so on for several more layers... Or are there frameworks etc to help reduce the levels of indentation without declaring a named function for every single callback? How do you deal with the callback pyramid?

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• Class Design - Space Simulator

  - by Peteyslatts

  I have pretty much taught myself everything I know about programming, so while I know how to teach myself (books, internet and reading API's), I'm finding that there hasn't been a whole lot in the way of good programming. So I have two questions: First the broad one: Does anyone have suggestions as to sources for learning about good programming habits and techniques? I'd prefer it if the resource wasn't a 5000 page tome. The more I can read it in installments the better. More specifically: I am finishing up learning the basics of XNA and I want to create a space simulator to test my knowledge. This isn't a full scale simulator, but just something that covers everything I learned. It's also going to be modular so I can build on it, after I get the basics down. One of the early features I want to implement is AI. And I want to take this into account as I'm designing my classes so I can minimize rewriting code. So my question: How should I design ship classes so that both the player and AI can use them? The only idea I have so far is: Create a ship class that contains stats, models, textures, collision data etc. The player and AI would then have the data for position, rotation, health, etc and would base their status off of the ship stats.

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• Implementing `fling` logic without pan gesture recognizers

  - by KDiTraglia

  So I am trying to port over a simple game that I originally wrote to iphone into cocos2d-x. I've hit a minor bump however in implementing simple 'fling' logic I had in the iphone version that is difficult to port over to the c++. In iOS I could get the velocity of a pan gesture very easily: CGPoint velocity = [recognizer velocityInView:recognizer.view]; However now I basically only know where the touch began, where the touch ended, and all the touches that are logged in between. For now I logged all the pts onto a stack then pulled the last point and the 6th to last point (seemed to work the best), find the difference between those pts multiply by a constant and use that as the velocity. It works relatively well, but I'm wondering if anyone else has any better algorithms, when given a bunch of touch pts, to figure out a new speed upon releasing an object that feels natural (Note speed in my game is just a constant x and y, there's no drag or spin or anything tricky like that). Bonus points if anyone has figured out how to get pan gestures into the newest version (3.0 alpha) of cocos2d-x without losing ability to build cross platform.

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• Deciding on a company-wide javascript strategy [on hold]

  - by drogon

  Our company is moving most of its software from thick-client winforms apps to web apps. We are using asp.net mvc on the server side. Most of the developers are brand new to the web and need to become efficient and knowledgeable at writing client-side web code (javascript). We are deciding on a number of things and would appreciate feedback on the following: Angular.js or Backbone.js? Backbone (w/ Underscore) is certainly more light weight, but requires more custom development. Angular seems to be a full-fledged framework, but would require everyone to embrace it and probably a longer learning curve(??). (Note: I know nothing about Angular at this point) Require.js or script includes w/ MVC bundleconfig? Require.js makes development "feel like" c# (importing namespaces). But, integrating the build/minification process can be a pain (especially the configuration). Bundling via mvc requires developers to worry more about which scripts to include but has less overall development friction. Typescript vs Javascript Regardless of frameworks, our developers are going to need to learn the basics. Typescript is more like c# and MAY be easier for c# developers to understand. However, learning TypeScript before javascript may hinder their mastery of javascript at the expense of efficiency.

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• Using Ogre with android [closed]

  - by Rich

  I am trying get Ogre 3d to work on android, I have managed to download and run the ogre sample browser but I am really struggling with trying to get a basic application working i have been trying for days now with no avail. Does anyone have any pointers on where to start with this? Thanks if anyone can help EDIT: Very sorry for my rubbish question! I am a bit new to this and I am just trying to seek some guidance. Ok so i followed the instructions on the Ogre wiki to build ogre for android and the sample browser here: http://www.ogre3d.org/tikiwiki/tiki-index.php?page=CMake+Quick+Start+Guide&tikiversion=Android so it is deffinately possible. The issue I am having is knowing what I need to do to get started with ogre e.g just a simple hello world style app where it might just show the ogre head, so tutorials might actually be good because I could not really find any simple ones as I am very new to 3D development. I just found that the sample browser was just massive and yes it has everything in it but it's very difficult to understand how it all works. What I am asking is basically some help, as I have been trying to pull out some parts of the sample browser to just create a view with a 3D model. Hope this is better?

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• Why can't my networks reach each other?

  - by HOLOGRAPHICpizza

  We have two Buffalo WZR-HP-G300NH2 routers, with the default firmware, DD-WRT v24SP2-MULTI (10/31/11) std - build 17798. Each has a separate cable internet connection with a public static IP address. They are both in the 24.123.68.0/24 space. Both of them can contact pretty much the whole internet, and they can both be accessed out on the internet with no problem, but for some reason they can't talk to each other! When I try to ping one from the other I always get "Destination Host Unreachable". There are no strange routing or firewall rules in place. And they are both set to respond to pings, I can ping them from outside. Our main IT guy is going to call our ISP on Monday, but I'm impatient, so does anyone have any ideas?

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• Mobile Web Applications – A guide for professional development

  - by JuergenKress

  (Tobias Bosch, Stefan Scheidt, Torsten Winterberg / Opitz Consulting Deutschland GmbH). There is a real hype around mobile solutions. Smartphones and tablets are everywhere. Frontend architecture is changing quickly to adopt cross browser technologies like HTML5 and extensive JavaScript-based development. In this book we introduce our software development process to build test-driven Single-Page JavaScript Web Applications, which will be the future next to native apps. We start with a short introduction of our RYLC showcase (know from our SOA articles), give a very short introduction to JavaScript, then talk about jQuery Mobile, Angular JS, Testing, Backend-communication and we close with deploying our RYLC-Webapp as a hybrid app using the PhoneGap (Cordova) framework. Don’t expect too much theory – it’s a practical guide explaining how RYLC Web App was built, to kickstart your own development. Currently only available in German as paperback and eBook. WebLogic Partner Community For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. BlogTwitterLinkedInMixForumWiki Technorati Tags: adf mobil

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• How can I stop Chromium from putting focus in the address bar when using the up arrow key to scroll

  - by codeLes

  This is bugging me. I'm at a web page, any web page, and I am scrolling back to the top of the page with the up arrow key as I tend to do when browsing a page and once I get to the top of the page if I don't pay attention and hit the key one more times than is needed Chromium in all it's wisdom decides I must want to do something with the address so it places the focus in the address bar. ARGH! Any way to stop this? I'm running Ubuntu 9.04 Jaunty and have installed the nightly build version of Chromium PPA.

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• Replacing a Windows File Server

  - by Keltari

  We have a Windows file server that needs to be replaced. Unfortunately, there are to many custom build applications, shares, and random things that rely on the existence of that file server to just stand up a new one, so we need to make the transition as seamless as possible. We decided to copy the contents of the old server to the new and then rename the new one with the same name. I have made a list of everything I need to do. Am I missing anything? The new file server is up and running I copied the directories of the old file server to the new one I set up all the shares/permissions for those directories in advance Copy the contents from oldserver to newserver robocopy \vash\d$\nasshare\ \vash2\l$\originalvash\nasshare\ /E /ZB /copyall /dcopy:T /FP /x /v /fp /np /mt:8 /eta /log:robocopy.log /tee Rename and reIP oldserver to something else (need it available if something is missing) Rename and reIP newserver to oldserver Obviously, I need to test if shares are working properly. Are there any steps im missing?

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• Do your own design jobs and make it look professional

  - by Webgui

  Looks and design is becoming more and more important for customers and organizations event when we deal with internal enterprise applications. However,  many web developers who work on business apps end up not investing resources on the design. The reason may be that they ran out of time so with their client's pressure there was no choice but to skip past the design process. In some cases, especially in sall software houses, there are no trained professional designers and the developers have to do both jobs. Since designing web applications can be very complex and requires mastering several languages and concepts, unless a big budget was allocated to the project it is very hard to produce a professional custom design. For that exact reasons, Visual WebGui integrated Point & Click Design Tools within its Web/Cloud Development Platform. Those tools allow developers to customize the UI look of the applications they build in a visual way that is fairly simple and doesn't require coding or mastering HTML, CSS and JavaScript in order to design. The development tools also allow professional designers easier work interface with the developers and quicly create new skins. So if you are interested in getting your design job done much easier, you should probably tune in for about an hour and find out how. Click here to register: https://www1.gotomeeting.com/register/740450625

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• Benefits of log rotation

  - by Manfred Moser

  I have been using logrotation for years and never thought too much of it being a problem until I came across a question on stackoverflow (http://stackoverflow.com/questions/1508734/disable-java-log-rotation/) where someone wants to disable log rotation. To me with experience in having build server and even production servers cleaned up manually because logs are not rotated and discs are running out and suddenly machines come to a halt that all seems crazy, but it occurred to me that maybe it is not so obvious after all. So what are the benefits of log rotation? And what are the drawbacks (e.g. more difficult to debug/analyze maybe)? What tools do you find useful for working with rotated log files? Splunk I assume, but what else?

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• Joining a company to get experience vs. going alone [closed]

  - by daniels

  My goal is to build a successful web startup, say the next Digg or Twitter, and I am in doubt regarding what is the best route to follow as a programmer. I see basically two options: Get an internship/job with an established online company, so that I could get a mentor and learn from more experienced programmers, learn their processes, methodology and so on. I could do this for 1-2 years, and then quit to start working on my own stuff. Start working on my own projects right away, starting with small ones and moving up gradually. This would give me more control on the things I would be working with, but I would lack contact with more experienced people, so I would need to figure basic things on my own. Doing both is not an option in my opinion, cause I would need to put a lot of effort/time into each if I was to learn/improve as a programmer. So is one route definitely better than the other? Is there a third one I am not considering? Background: I already work by myself developing content-based websites and doing SEO, and I am decent at it so money is not a problem. Last year I started learning to program, first by myself and now I enrolled in a CS degree on a good university.

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• Supporting and testing multiple versions of a software library in a Maven project

  - by Duncan Jones

  My company has several versions of its software in use by our customers at any one time. My job is to write bespoke Java software for the customers based on the version of software they happen to be running. I've created a Java library that performs many of the tasks I regularly require in a normal project. This is a Maven project that I deploy to our local Artifactory and pull down into other Maven projects when required. I can't decide the best way to support the range of software versions used by our customers. Typically, we have about three versions in use at any one time. They are normally backwards compatible with one another, but that cannot be guaranteed. I have considered the following options for managing this issue: Separate editions for each library version I make a separate release of my library for each version of my company software. Using some Maven cunningness I could automatically produce a tested version linked to each of the then-current company software versions. This is feasible, but not without its technical challenges. The advantage is that this would be fairly automatic and my unit tests have definitely executed against the correct software version. However, I would have to keep updating the versions supported and may end up maintaining a large collection of libraries. One supported version, but others tested I support the oldest software version and make a release against that. I then perform tests with the newer software versions to ensure it still works. I could try and make this testing automatic by having some non-deployed Maven projects that import the software library, the associated test JAR and override the company software version used. If those projects build, then the library is compatible. I could ensure these meta-projects are included in our CI server builds. I welcome comments on which approach is better or a suggestion for a different approach entirely. I'm leaning towards the second option.

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• Thermal risks to other components when watercooling CPU

  - by B Sharp

  I recently ordered all the components for a new desktop system to replace my old, dying computer. I wanted to have a really quiet desktop, so I got a case rated for being quiet and opted to try a closed-system CPU water cooling kit (Antec Kuhler H2O 620) that was on sale for a very good price over the Thanksgiving weekend. Most of my components are still in transit, but I became somewhat worried when a friend mentioned that abandoning air cooling units can result in heat buildup inside the case due to heat generated by the video card and other components such as RAM, the northbridge, MOSFETs and voltage regulators radiating heat that the CPU fan would normally at least keep circulating around so it doesn't build up in localized areas. Is this a realistic problem? What other precautions should I take to remove heat from other components? Adding more case fans seems like it would get really noisy. Are there quiet alternatives?

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• Host a SSTP VPN Server on Windows 8

  - by Maarten

  I have a small server computer running Windows 8 at home. Currently it is hosting a PPTP VPN server using the build-in Windows 8 functionality for that. What I would want is something more secure, like an SSTP VPN server. However, I can't find any functionality of windows 8 or 3rd party software that can HOST a SSTP vpn server on Windows 8. I've only seen Client stuff and vpn pass trough services via google, all which i don't want/need. The only HOST stuff i find via google is the PPTP i set up currently. Is there any way of hosting a SSTP VPN server on my home machine? Thanks in advance, Maarten

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• .NET Dependency Management Systems

  - by StriplingWarrior

  I have some .NET projects that are starting to get large enough to merit looking into Dependency Management solutions, so we don't have to copy binaries from one project to another. Here's what I've found so far: NPanday is based on a port of Maven. I can't tell how recently it was worked on, but the last release was in May 2011. NuGet seems to be under active development, and it appears to have support directly from Microsoft. Some people complained that it "only addresses dependency resolution," but I don't know what else it should address, or whether it has added more features since that point. It does appear to have recently added the ability to import binaries as part of the build process so we don't have to commit them to our repositories. Refix appears to still be in Beta, after having received no attention since Sept 2011. Would somebody with recent experience using any of these dependency management tools (or any others that work well) share your experience? Is NuGet mature enough to use it for dependency management? If not, what does it lack?

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• Making money from a custom built interpreter?

  - by annoying_squid

  I have been making considerable progress lately on building an interpreter. I am building it from NASM assembly code (for the core engine) and C (cl.exe the Microsoft compiler for the parser). I really don't have a lot of time but I have a lot of good ideas on how to build this so it appeals to a certain niche market. I'd love to finish this but I need to face reality here ... unless I can make some good monetary return on my investment, there is not a lot of time for me to invest. So I ask the following questions to anyone out there, especially those who have experience in monetizing their programs: 1) How easy is it for a programmer to make good money from one design? (I know this is vague but it will be interesting to hear from those who have experience or know of others' experiences). 2) What are the biggest obstacles to making money from a programming design? 3) For the parser, I am using the Microsoft compiler (no IDE) I got from visual express, so will this be an issue? Will I have to pay royalties or a license fee? 4) As far as I know NASM is a 2-clause BSD licensed application. So this should allow me to use NASM for commericial development unless I am missing something? It's good to know these things before launching into the meat and potatoes of the project.

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• What is a preferred method for automatically configuring and setting up an Ubuntu instance?

  - by sutch

  I am tired of manually configuring instances of Ubuntu for testing web applications and for setting up workstations. I'm even more frustrated by the issues caused by inconsistent configurations. Is there a method (hopefully not too time consuming to learn and setup) that allows for automation of the setup and configuration of an Ubuntu server or workstation from an ISO. This is primarily for virtual machine instances, but it would be helpful to also create instances on hardware. I am specifically looking for a method to automate the installation of libraries (apt-get), configure services (such as Apache and MySQL), add 3rd party software (download, extract and build), and add libraries to scripting languages (for example, Ruby Gems or CPAN packages for Perl).

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• If you have the full spec done, what is left for the developer to do?

  - by Leeho

  I'm working in a small company, started as a developer and coded pieces of a big system being provided with detailed specs. Over five years I moved towards analyst position. I know how existing parts of the system are build, so when we need a new subsystem I know how to connect it to the existing things. So I analyse requirements for a new subsystem to be done, design a new module, then code main parts of it. After that me with my colleagues who are proper analysts write detailed specs for junior developers to finish the module. The problem is that I don't see a new job for myself. I realise that jack-of-all-trades isn't considered to be good, and I don't see getting myself a job exactly like this in a big company. But if I look for a developer job, then I would be somewhat like junior again? Because if I will be provided with detailed description of what software has to do, all that seems to be left for me is merely translating spec to the code, which is plain boring. But developer is considered to solve problems, so which problems are those supposed to be? Only pure technical problems I can imagine is performance optimization. So basically my question is - what problems developers are supposed to face and solve, if all decisions of how application should work to meet customers needs are considered to be an analyst job? What problems do you solve at work?

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• What is a good way to share internal helpers?

  - by toplel32

  All my projects share the same base library that I have build up over quite some time. It contains utilities and static helper classes to assist them where .NET doesn't exactly offer what I want. Originally all the helpers were written mainly to serve an internal purpose and it has to stay that way, but sometimes they prove very useful to other assemblies. Now making them public in a reliable way is more complicated than most would think, for example all methods that assume nullable types must now contain argument checking while not charging internal utilities with the price of doing so. The price might be negligible, but it is far from right. While refactoring, I have revised this case multiple times and I've come up with the following solutions so far: Have an internal and public class for each helper The internal class contains the actual code while the public class serves as an access point which does argument checking. Cons: The internal class requires a prefix to avoid ambiguity (the best presentation should be reserved for public types) It isn't possible to discriminate methods that don't need argument checking   Have one class that contains both internal and public members (as conventionally implemented in .NET framework). At first, this might sound like the best possible solution, but it has the same first unpleasant con as solution 1. Cons: Internal methods require a prefix to avoid ambiguity   Have an internal class which is implemented by the public class that overrides any members that require argument checking. Cons: Is non-static, atleast one instantiation is required. This doesn't really fit into the helper class idea, since it generally consists of independent fragments of code, it should not require instantiation. Non-static methods are also slower by a negligible degree, which doesn't really justify this option either. There is one general and unavoidable consequence, alot of maintenance is necessary because every internal member will require a public counterpart. A note on solution 1: The first consequence can be avoided by putting both classes in different namespaces, for example you can have the real helper in the root namespace and the public helper in a namespace called "Helpers".

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• Compiling custom kernel 3.7.x lowlatency on Ubuntu 12.04

  - by FlabbergastedPickle

  All, I have a peculiar problem with trying to compile a lowlatency flavor of the latest 3.7 kernel. I retrieved the prepatched source from the launchpad using bzr, compiled it using the usual make-kpkg using the current config file plus default options for the rest, installed the kernel and booted into it. Everything works except for the fglrx and wl drivers that I had to install in the original 12.04 lowlatency kernel. So, I tried recompiling these and succeeded with both of them (no errors were reported)--wl driver required a minor adjustment to system.h include while latest fglrx 12.11 beta11 (released yesterday, Dec. 3rd, 2012) compiled without the hitch. Yet, when I try to modprobe either module (both having in common the fact that they were built after the kernel, fglrx as a deb, and wl via the usual make/make install), I get "FATAL: no MODULENAME module found" (MODULENAME being either wl or fglrx). The graphic driver watermark shows 3D crossed out and "for testing purposes" (or "unsupported hardware," can't remember), and no fglrx or wl is loaded. More mysteriously, dmesg shows no attempt on kernel's behalf to load the said drivers, even though they are clearly in the right /lib/modules/KERNEL_VERSION folder. How is this possible? Has something fundamentally changed in 3.7 kernel that would prevent modprobing of these? I know that there is driver signing option that was merged recently but as far as I could tell the kernel config file generated by the build process had that disabled. OTOH, while building wl driver, I did get a warning that the driver was not signed... Then again, even if the kernel disallowed loading of those modules, shouldn't dmesg reflect that? Any thoughts on this one are most appreciated.

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• What is the value to checking in broken unit tests?

  - by Adam W.

  While there are ways of keeping unit tests from being executed, what is the value of checking in broken unit tests? I will use a simple example. Case sensitivity. The current code is Case Sensitive. A valid input into the method is "Cat" and it would return an enum of Animal.Cat. However, the desired functionality of the method should not be case sensitive. So if the method described was passed "cat" it could possibly return something like Animal.Null instead of Animal.Cat and the unit test would fail. Though a simple code change would make this work, a more complex issue may take weeks to fix, but identifying the bug with a unit test could be a less complex task. The application currently being analyzed has 4 years of code that "works". However, recent discussions regarding unit tests has found flaws in the code. Some just need explicit implementation documentation (ex. case sensitive or not), or code that does not execute the bug based on how it is currently called. But unit tests can be created executing specific scenarios that will cause the bug to be seen and are valid inputs. What is the value of checking in unit tests that exercise the bug until someone can get around to fixing the code? Should this unit test be flagged with ignore, priority, category etc, to determine whether a build was successful based on tests executed? Eventually the unit test should be created to execute the code once someone fixes it. On one hand it shows that identified bugs have not been fixed. On the other, there could be hundreds of failed unit tests showing up in the logs and weeding through the ones that should fail vs. failures due to a code check-in would be difficult to find.

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• W3c Markup Validator on Windows 2003 with Apache

  - by rihatum

  Hi All, OS = Windows 2003 (latest sp / hotfixes etc) Perl = Active Perl 5.8.9 Build 825 Apache 2.2.11 Followed the following How-To: http://validator.w3.org/docs/install_win.html Facing the following errors : (had an html error too, but I used Perl Package manager to upgrade the required package. Now, the Package manager isn't showing any update of the following package and some others too : SGML::Parser::OpenSP version 0.991 required--this is only version 0.99 at C:/www/validator/httpd/cgi-bin/check line 61. Q : How can I download the latest package for OpenSP ? Q : Would It be just a matter of click and install the package? If someone can provide a step by step that would be very helpful, I am not fluent with building perl packages. Thanks and Regards

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