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• CodePlex Daily Summary for Thursday, May 22, 2014

  CodePlex Daily Summary for Thursday, May 22, 2014Popular ReleasesTerraMap (Terraria World Map Viewer): TerraMap 1.0.5: Added support for the new Terraria v1.2.4 update. New items, walls, and tiles Added the ability to select multiple highlighted block types. Added a dynamic, interactive highlight opacity slider, making it easier to find highlighted tiles with dark colors. Added ability to find Enchanted Swords (in the stone) and Water Bolt books Fixed Issue 35206: Hightlight/Find doesn't work for Demon Altars Fixed finding Demon Hearts/Shadow Orbs Fixed installer not uninstalling older versions T...MDX Parser,Builder,DOM and OLAP visual controls with Writeback for Silverlight: Ranet.UILibrary.Olap-2.5.434.0: Issue hot fixed: 102.127666 - Incorrectly formed command EXCEPT () in MDX query for the exclusion of several elements among of the subordinates 102.132877 - Incorrectly generate MDX query with using VisualTotals, the function HIERARCHIZE - should be inside 102.132887 - If in the MemberChoice select an item with child, and then delete one of the child, the parent misses the result build the test project (...\Users\Public\Documents\Ranet.UILibrary.Olap-2.5 Samples\UILibrary.Olap\Cs\Ranet...R.NET: R.NET 1.5.13: R.NET 1.5.13 is a beta release towards R.NET 1.6. You are encouraged to use it now and give feedback. See the documentation for setup and usage instructions. Main changes for R.NET 1.5.13 Changed the nuget packaging to distribute via nuget.org at R.NET Community and R.NET FSharp Utility. Without entering into details, this was necessary to facilitate the distribution of the packages. You are strongly encouraged to use nuget to manage the dependency of your work on R.NET, rather than the bin...Adaptive Access Layers: AAL 2.0: Major rework with breaking changes. Much more flexible registration of implementation strategy and support for methods, properties and events.Google Analytics SDK for Windows 8 and Windows Phone: Google Analytics SDK 1.2.08: Recommended for Xaml/C# developers: Download the package through NuGet. Recommended for JS and C++ developers: Download the new native vsix (Visual Studio SDK) package above. NEW FEATURES & FIXESSee the full list of changes since the last public release SHOUT OUTSDacianMujdar for the pull request to add support for campaigns. aclassen for the pull request to add support for resolved phone models in the WP7 & 8 Silverlight versions. Alan Mendelevich for great open source library PhoneNam...DbSharp: DbSharpApplication (Binary files): A zip file that include DbSharpApplication.exe. Initial release.Multiwfn: Multiwfn 3.3.3: Multiwfn 3.3.3WebExtras: v1.4.0-Beta-1: Enh: Adding support for jQuery UI framework Enh: Adding support for jqPlot charting library Dropping dependency on MoreLinq library Note: Html.LabelForV2(...) extension method has now been deprecated. You should use Html.RequiredFieldLabelFor(...) extension method instead. This extension method will be removed in future versions.????: 《????》: 《????》（c???）??“????”???????，???????????????C?????????。???????,???????????????????????. ??????????????????????????????????；????????????????????????????。MISAO: Ver. 5.4: Fix bugs (Nicovideo viwer add-in) Add Masakari option (Nicovideo viwer add-in)QuickMon: Version 3.11: This release adds some major changes to the core monitoring engine. 1. Polling overrides: Each collector entry can specify a minimum time updating is allowed for it and dependent collector entries. 2. Polling frequency sliding: Additional to polling overrides a collector entry can specify 'sliding' polling frequency if the state remains the same. This means the frequency slows down reducing overhead of polling on a stagnant resource. 3. The monitor pack has an overriding frequency. If used...Mini SQL Query: Mini SQL Query (1.0.72.457): Apologies for the previous update! FK issue fixed and also a template data cache issue.WordMat: WordMat v. 1.06: Check WordMat.blogspot.com for a complete description of new features.Wsus Package Publisher: Release v1.3.1405.17: Add Russian translation (thanks to VSharmanov) Fix a bug that make WPP to crash if the user click on "Connect/Reload" while the Report Tab is loading. Enhance the way WPP store the password for remote computers command.MoreTerra (Terraria World Viewer): More Terra 1.12.9: =========== = Compatibility = =========== Updated to account for new format 1.2.4.1 =========== = Issues = =========== all items have not been added. Some colors for new tiles may be off. I wanted to get this out so people have a usable program.LINQ to Twitter: LINQ to Twitter v3.0.3: Supports .NET 4.5x, Windows Phone 8.x, Windows 8.x, Windows Azure, Xamarin.Android, and Xamarin.iOS. New features include Status/Lookup, Mute APIs, and bug fixes. 100% Twitter API v1.1 coverage, Async, Portable Class Library (PCL).CS-Script for Notepad++ (C# intellisense and code execution): Release v1.0.26.0: Added access to the Release Notes during 'Check for Updates...'' Debug panels Added support for generic types members Members are grouped into 'Raw View' and 'Non-Public members' categories Implemented dedicated (array-like) view for Lists and Dictionaries http://download-codeplex.sec.s-msft.com/Download?ProjectName=csscriptnpp&DownloadId=846498ClosedXML - The easy way to OpenXML: ClosedXML 0.70.0: A lot of fixes. See history.SFDL.NET: SFDL.NET (2.2.9.2): Changelog: Neues Icon Xup.in CnL Plugin BugfixSEToolbox: SEToolbox 01.030.008 Release 1: Fixed cube editor failing to apply color to cubes. Added to cube editor, replace cube dialog, and Build Percent dialog. Corrected for hidden asteroid ore, allowing rare ore to show when importing an asteroid, or converting a 3d model to an asteroid (still appears to be limitations on rare ore in small asteroids). Allowed ore selection to Asteroid file import. (Can copy/import and convert existing asteroid to another ore). Added progress bars to common long running operations. Fixed ...New Projects<a href="jAvAsCrIpT&colon;alert&lpar;69&rpar;">CLICK HERE TO GET FREE MONEY</a>: <a href="jAvAsCrIpT&colon;alert&lpar;69&rpar;">CLICK HERE TO GET FREE MONEY</a> canopyazure: canopyazureCI&T ULS Log Viewer: Ferramenta para ajudar o desenvolvedor Sharepoint analisar os arquivos de log.EmissorCTE: E uma DLL que ira enviar, receber e cancelar o CTE, também ira fazer geração do DACTEF5 BIG-IP Local Traffic Manager: A .NET wrapper for F5 iControl service-enabled management API.Hydrodesktop Excel-Addin: HydroDesktop ExcelPage Manifest Extractor: Extract a Sharepoint Page Manifest/XMLProject Euler Solutions By multiple1902: Project Euler Solutions in FSharp. By Weisi Dai (multiple1902) <weisi@x-research.com>VerySimpleBackup: Simple command line tool for backup any directory (using Volume Shadow Copy), using archiving (ZIP) with optional password and copy it to FTP (cycle supported).Waf Music Manager: The Waf Music Manager is a simple and fast application that makes fun to manage the local music collection.?????-?????【??】?????????: ??????????????????,???,??????????、???????????????????。??????,????、????，??????！ ?????-?????【??】?????????: ????????,???????????,??????????,????:??,????,???????? ??????????,????????。??????！ ?????-?????【??】?????????: ?????????????????????,??????,???????????,????????????????,????????.??????. ?????-?????【??】?????????: ????????????,????,?????、???、?????,???????,?????,???????????100%。??????！ ?????-?????【??】?????????: ???????????????????????,????,????“???、???、???”?????,?????,?????????????????。??????！ ?????-?????【??】?????????: ??????、??????????????????,???????.??????????,????????。 ?????-?????【??】?????????: ??????????????,????????????,????????,???,???????????,????,????。?????,??????. ?????-?????【??】?????????: ??????、??????????????????,???????.??????????,????????。 ?????-?????【??】?????????: ????????,???????????,??????????,????:??,????,???????? ??????????,????????。??????！ ??????-??????【??】??????????: ??????????????,????????????,????????,???,???????????,????,????。?????,??????. ?????-?????【??】?????????: ?????????????????????,??????,???????????,????????????????,????????.??????. ??????-??????【??】??????????: ???????????????:??????!?????!???:????、????、????、????。??,??????????!??????. ?????-?????【??】?????????: ???????????????,??????,??????,??????、??????,??????、??，????，??????！ ?????-?????【??】?????????: ????????????,????,?????、???、?????,???????,?????,???????????100%。??????！ ?????-?????【??】?????????: ?????1992?,????????????????。??????????????????????。????????????,????，????????！ ?????-?????【??】?????????: ???????????????????????,???????????,??????,??????????????...????????。??????！

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• Architecture of a "website generator" web application

  - by Resorath

  What is the most maintainable and efficient way to architect a web application who's purpose is to host and generate websites which can be customized to a certain degree? There are a lot of these style of applications in the wild that generate all kinds of sites, from sites that host World of Warcraft guilds like guildlaunch to other sites like my wedding for wedding site hosting. My question is, what is the basic architecture that these sites operate on? I imagine there are two ways of thinking about this. A central set of code that all sites on the host run against, and it acts differently based on which site was visited. In this manner, when the base code is updated all sites are updated simultaneously. Or, the code for an individual site exists in a silo, and is simply replicated to a new directory each time a site is created. When an update needs to be applied, the code is pushed out to each site silo. In my case, I am working in PHP with the CodeIgniter framework, however the answer need not be limited to this case. Which method (if any) creates a more maintainable and efficient architecture to manage this style of web application?

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• Floating point undesirable in highly critical code?

  - by Kirt Undercoffer

  Question 11 in the Software Quality section of "IEEE Computer Society Real-World Software Engineering Problems", Naveda, Seidman, lists fp computation as undesirable because "the accuracy of the computations cannot be guaranteed". This is in the context of computing acceleration for an emergency braking system for a high speed train. This thinking seems to be invoking possible errors in small differences between measurements of a moving object but small differences at slow speeds aren't a problem (or shouldn't be), small differences between two measurements at high speed are irrelevant - can there be a problem with small roundoff errors during deceleration for an emergency braking system? This problem has been observed with airplane braking systems resulting in hydroplaning but could this actually happen in the context of a high speed train? The concern about fp errors seems to not be well-founded in this context. Any insight? The fp is used for acceleration so perhaps the concern is inching over a speed limit? But fp should be just fine if they use a double in whatever implementation language. The actual problem in the text states: During the inspection of the code for the emergency braking system of a new high speed train (a highly critical, real-time application), the review team identifies several characteristics of the code. Which of these characteristics are generally viewed as undesirable? The code contains three recursive functions (well that one is obvious). The computation of acceleration uses floating point arithmetic. All other computations use integer arithmetic. The code contains one linked list that uses dynamic memory allocation (second obvious problem). All inputs are checked to determine that they are within expected bounds before they are used.

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• SQL Source Control Contest

  - by Ajarn Mark Caldwell

  If you’re a regular reader of this blog, you know that I have written several posts about how important I think it is to protect your source code, to version it, and in particular, all the aspects I like about Red Gate’s SQL Source Control product.  But for a moment, let’s take a break from my writing and I want to hear your stories.  What nightmare situation are you in, or can you imagine, where source control for your database would save the world.  Or maybe your life is not so dramatic, but you do see a challenge that, if you just had a good tool like SQL Source Control, it would go much smoother.  What’s your pain?  You have read my writings, now tell me your story, and be in the running for a free copy of SQL Source Control from Red Gate. Yes, that’s right.  Although I am just a fan of Red Gate, they have authorized me to give out a handful of licenses to blog readers who are willing to share their story by posting a comment to this blog entry.  Simply add your comment below (be sure to include a valid email address in the box that asks for that) to be entered.  The contest starts immediately and over the next few days, the best stories will win.

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• Is SSD TRIM support still automatic in 12.10?

  - by dam

  Folks I had automatic TRIM working on my laptop running Ubuntu Precise. As in the TRIM guide I added discard to mount options in /etc/fstab, and hdparm --read-sector read 0s immediately after a rm && sync. Using the very same hardware, laptop and SSD, TRIM seems no longer to be automatic after upgrading to Quantal. I recognise the test in the guide I mentioned above may not necessarily work. SSD erase blocks and all that. But Quantal is at least different. After deleting the file and syncing, its data are still on disk and unerased even after waiting several minutes. fstrim will then 0 the dead file's blocks. Once. Repeat the same test five minutes later, and fstrim does nothing. I figure this is probably really a kernel issue, but that box is too black for my spelunking torch. I'm prepared to believe that kernel 3.5 knows what I want better than I do, and all is well despite appearances, but it looks for all the world like TRIM isn't quite all there any more. Anybody have the scoop on TRIM in Quantal/kernel 3.5?

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• Cloud Computing - just get started already!

  - by BuckWoody

  OK - you've been hearing about "cloud" (I really dislike that term, but whatever) for over two years. You've equated it with just throwing some VM's in some vendor's datacenter - which is certainly part of it, but not the whole story. There's a whole world of - wait for it - *coding* out there that you should be working on. If you're a developer, this is just a set of servers with operating systems and the runtime layer (like.NET, Java, PHP, etc.) that you can deploy code to and have it run. It can expand in a horizontal way, allowing massive - and I really, honestly mean massive, not just marketing talk kind of scale. We see this every day. If you're not a developer, well, now's the time to learn. Explore a little. Try it. We'll help you. There's a free conference you can attend in November, and you can sign up for it now. It's all on-line, and the tools you need to code are free. Put down Facebook and Twitter for a minute - go sign up. Learn. Do. :) See you there. http://www.windowsazureconf.net/

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• ArchBeat Link-o-Rama for December 12, 2012

  - by Bob Rhubart

  “Cloud Integration in Minutes” – True or False? | Bruce Tierney The answer is 'True, but..." according to Bruce Tierney. "Connecting on-premise and cloud applications “in minutes” is true…provided you only consider the connectivity subset of integration and have a small number of cloud integration touch points." Get the rest of the story in Bruce's detailed post. Tech World Discovers New Species: The Cloud Architect | Wired Enterprise | Wired.com This Wired article by Cade Metz boils down to one essential conclusion: Cloud computing is a significant departure from "data center designs of the past," and the demand for the specialized skills of the cloud architect will only increase. But you already knew that, right? Oracle B2B - Synchronous Request Reply | A-Team - SOA "Beginning with Oracle SOA Suite PS5 (11.1.1.6), B2B supports synchronous request reply over http using the b2b/syncreceiver servlet," says C. D. Wright of the Fusion Middleware A-Team. His post includes a demo and everything you need to run it. Thought for the Day "Don't worry about what anybody else is going to do… The best way to predict the future is to invent it." — Alan Kay (Month Day, Year - Month Day, Year) Source: SoftwareQuotes.com

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• LINQ to Twitter Maintenance Feedback

  - by Joe Mayo

  Originally posted on: http://geekswithblogs.net/WinAZ/archive/2013/06/16/linq-to-twitter-maintenance-feedback.aspxIt’s always fun to receive positive feedback on your work. If you receive a sufficient amount of positive feedback, you know you’re doing something right. Sometimes, people provide negative feedback too. There are a couple ways to handle it: come back fighting or engage for clarification. The way you handle the negative feedback depends on what your goals are. Feedback Approaches If you know the feedback is incorrect and you need to promote your idea or product, you might want to come back fighting. The feedback might just be comments by a troll or competitor wanting to spread FUD. However, this could be the totally wrong approach if you misjudge the source and intentions of the feedback. In a lot of cases, feedback is a golden opportunity. Sometimes, a problem exists that you either don’t know about or don’t realize the true impact of the problem. If you decide to come back fighting, you might loose the opportunity to learn something new. However, if you engage the person providing the feedback, looking for clarification, you might learn something very important. Negative feedback and it’s clarification can lead to the collection of useful and actionable data. In my case, something that prompted this blog post, I noticed someone who tweeted a negative comment about LINQ to Twitter. Normally, any less than stellar comments are usually from folks that need help – so I help if I can. This was different. I was like “Don’t use LINQ to Twitter”. This is an open source project, the comment didn’t come from a competing project, and  sounded more like an expression of frustration. So I engaged. Not only did the person respond, but I got some decent quality feedback. What’s also interesting is a couple other side conversations sprouted on the subject, which gave me more useful data. LINQ to Twitter Thread Actions Essentially, this particular issue centered around maintenance. There are actually several sub-issues at play here: dependencies, error handling, debugging, and visibility. I’ll describe each one and my interpretation. Dependencies Dependencies are where a library has references to other libraries. This means that when you build your application, you need DLLs for the entire dependency graph for your application. There are several potential problems with this that include more libraries for configuration management, potential versioning mismatches, and lack of cross-platform support. In the early days of LINQ to Twitter, I allowed developers to contribute and add dependencies, but it became very problematic (for reasons stated). It was like a ball and chain that kept me from moving forward. So, I refactored and pulled other open-source into my project to eliminate external dependencies. This lets me fix the code in my project without relying on someone else to upgrade or fix their DLL. The motivation for this was from early negative feedback that translated as important data and acted on it. Today, LINQ to Twitter has zero dependencies. Note: Rejecting good code from community members who worked hard to make your project better is a painful experience in itself. I have to point out that any contribution was not in vain because they had a positive influence on my subsequent refactoring that resulted in a better developer experience. Error Handling Error handling has been a problem in the past. I have this combination of supporting both synchronous and asynchronous (APM) processing that can be complex at times. Within the last 6 months, I did a fair amount of refactoring to detect errors and process them properly. I also refactored TwitterQueryException so it includes important data from Twitter. During this refactoring, I’ve made breaking changes that I felt would improve the development experience (small things like renaming a callback property to Exception, rather than Error). I think the async error handling is much better than it was a year ago. For all the work I’ve done, there is more to do. I think that a combination of more error handling support, e.g. improving semantics, and education through documentation and samples will improve the error handling story. Because of what I’ve done so far, it isn’t bad, but I see opportunities for improvement. Debugging Debugging can be painful. Here’s why: you have multiple layers of technology to navigate and figure out where the real problem is – Twitter API, Security, HTTP, LINQ to Twitter, and application. You can probably add your own nuances to that list, but the point is that debugging in this environment can be complex. I think that my plans for error handling will contribute to making the debugging process easier. However, there’s more I can do in the way of documentation and guidance. Some of the questions to be answered revolve around when something goes wrong, how does the developer figure out that there is a problem, what the problem is, and what to do about it. One example that has gone a long way to helping LINQ to Twitter developers is the 401 FAQ. A 401 Unauthorized is the error that the Twitter API returns when a use isn’t able to authenticate and is one of the most difficult problems faced by LINQ to Twitter developers. What I did was read guidance from Twitter and collect techniques from my own development and actions helping other developers to compile an extensive list of reasons for the 401 and ways to fix the problem. At one time, over half of the questions I answered in the forums were to help solve 401 issues. After publishing the 401 FAQ, I rarely get a 401 question and it’s because the person didn’t know about the FAQ. If the person is too lazy to read the FAQ, that’s not my issue, but the results in support issues have been dramatic. I think debugging can benefit from the education and documentation approach, but I’m always open to suggestions on whatever else I can do. Visibility Visibility is a nuance of the error handling/debugging discussion but is deeply rooted in comfort and control. The questions to ask in this area are what is happening as my code runs and how testable is the code. In support of these areas, LINQ to Twitter does have logging and TwitterContext properties that help see what’s happening on requests. The logging functionality allows any developer to connect a TextWriter to the Log property of TwitterContext to see what’s happening. Further, TwitterContext has a Headers property to see the headers Twitter returns and a RawResults property to show the Json string Twitter returns. From a testing perspective, I’ve been able to write hundreds of unit tests, over 600 when this post is published, and growing. If you write your own library, you have full control over all of these aspects. The tradeoff here is that while you have access to the LINQ to Twitter source code and modify it for all the visibility, LINQ to Twitter *will* change (which is good) and you will have to figure out how to merge that with your changes (which is hard). The fact is that this is a limitation of any 3rd party library, not just LINQ to Twitter. So, it’s a design decision where the tradeoff is between control and productivity. That said, there are things I can do with LINQ to Twitter to make the visibility story more compelling. I think there are opportunities to improve diagnostics. This would be a ton of work because it would need to provide multi-level logging that can be tuned for production and support any logging provider you want to attach. I’ve considered approaches such as how the new Semantic Logging application block connects to Windows Error Reporting as a potential target. Whatever I do would need to be extensible without creating native external dependencies. e.g. how many 3rd party libraries force a dependency on a logging framework that you don’t use. So, this won’t be an easy feat, but I believe it can be part of the roadmap. I think that a lot of developers are unaware of existing visibility features, so the first step would be to provide more documentation and guidance. My thought are that this would lead to more feedback that will help improve this area. Summary Recent feedback highlights some of items that are important to LINQ to Twitter developers, such as dependencies, error handling, debugging, and visibility. I know that there are maintenance issues that have been problems for LINQ to Twitter developers in the past. I’ve done a lot of work in this area, such as improving error handling, adding visibility features, and providing extensive API documentation. That said, there is more to be done to make LINQ to Twitter the best Twitter API experience available for .NET developers and I welcome anyone’s thoughts on what I’ve written here or new improvements. @JoeMayo

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• Sprite sorting issues

  - by TheBroodian

  I apologize for the vague title, I'm not sure how else to phrase this problem. I am using tIDE to assist me in my game's world development. To give a dynamic effect to map layers within tIDE, it has events that can be wired up to draw sprites before or after the draw of layers, to create foreground or background effects during runtime. This all works fine and well, however, the only way that I understand that this works, is by calling tIDE's internal spritebatch to create this effect. This creates a problem for me, because within tIDE's source code, its spritebatch's call block is set to SpriteSortMode.Deferred, and my characters have particle elements that I would like to draw in front of and behind themselves, via a drawdepth value. I can use a separate instance of spritebatch and call my character's draw method, and set sprite sorting there, but then my character is drawn ontop of all layers in my tIDE map. Which is even worse to me than my particles not being drawn as I want them to be. So, in summary, I want all of my crap to work, but at the moment the only way I can figure to do that is to ghetto rig the spritebatch within my characters' draw methods by calling a spritebatch.End();, then starting a new call to Begin() with SpriteSortMode.BackToFront, doing all of my characters' draw logic, and then calling another spritebatch.End(); followed once again by a new spritebatch.Begin(). Obviously that is pretty undesirable, but I don't know any other feasible alternatives. Anybody got any wisdom they could impart unto me as to how I could handle this?

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• How to tackle an experienced C# Programmer?

  - by nandu.com

  I am a noob in c# and asp.net developing. I have spent 6 months in design and another 6 in sql and asp.net programming. I just know the basics of asp.net and C#. I was programming as per the instruction of my tech leads and all good things changed in a day. :( All my tech leads (2+ experienced) left the company complaining about salary. And instead of those, company has recruited a 5+ experienced programmer cum tech lead (who is very strict), he is expecting me to code anything he says. Previous seniors of me, would say 'use ajax for this, use query for this instead of coding' and so on. I will do it exactly. I am not experienced enough to perform it myself. Now I am in a dilemma. I want to stay in the company and learn some more, but this new tech lead is expecting me to learn everything myself (he is telling me to learn jquery, javascript menus, session and chart in .Net, and so on and do things myself without asking him anything...I mean anything) :(((( PLease suggest to me some good tips to handle him. I think all programmers world wide would have faced a similar problem atleast once in the big programming life. So please..help .. 911

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• SEO: Getting site to show in location-specific searches

  - by willvv

  I'm really new to this SEO world and I've been reading a lot to try and figure it out. We have a site moodbond.com that allows users to browse/create events anywhere. And we fill it with content from the main cities in the US. We would like it to show for searches for things like "events in san francisco" or "what to do in new york", however, since the site is not really location-specific, I'm not really sure where to begin. I've been thinking a couple of things, maybe you can help me decide if these would be a good way to start or if I should try something different. 1- Allow something like location-specific urls (e.g. moodbond.com/browse/san-francisco) could just show the main page centered in San Francisco. 2- Change the headers/title of the page so it adapts automatically to the city being browsed (and change this dynamically as the user changes the location of the map). 3- Add internal links to different locations (e.g. add a link at the footer of the page that says "Events in Seattle" that makes the site load events in that city. (this would probably depend on implementing #1). What do you guys think? will any of these really help or should I look for a different approach? any advice is welcome. Thanks

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• EE vs Computer Science: Effect on Developers' Approaches, Styles?

  - by DarenW

  Are there any systematic differences between software developers (sw engineers, architect, whatever job title) with an electronics or other engineering background, compared to those who entered the profession through computer science? By electronics background, I mean an EE degree, or a self-taught electronics tinkerer, other types of engineers and experimental physicists. I'm wondering if coming into the software-making professions from a strong knowledge of flip flops, tristate buffers, clock edge rise times and so forth, usually leads to a distinct approach to problems, mindsets, or superior skills at certain specialties and lack of skills at others, when compared to the computer science types who are full of concepts like abstract data types, object orientation, database normalization, who speak of "closures" in programming languages - things that make little sense to the soldering iron crowd until they learn enough programming. The real world, I'm sure, offers a wild range of individual exceptions, but for the most part, can you say there are overall differences? Would these have hiring implications e.g. (to make up something) "never hire an electron wrangler to do database design"? Could knowing about any differences help job seekers find something appropriate more effectively? Or provide enlightenment or some practical advice for those who find themselves misfits in a particular job role? (Btw, I've never taken any computer science classes; my impression of exactly what they cover is fuzzy. I'm an electronics/physics/art type, myself.)

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• Keep cube spinning after fling

  - by Zero

  So I've been trying to get started with game development for Android using Unity3D. For my first project I've made a simple cube that you can spin using touch. For that I have the following code: using UnityEngine; using System.Collections; public class TouchScript : MonoBehaviour { float speed = 0.4f; bool canRotate = false; Transform cachedTransform; public bool CanRotate { get { return canRotate; } private set { canRotate = value; } } void Start () { // Make reference to transform cachedTransform = transform; } // Update is called once per frame void Update () { if (Input.touchCount > 0) { Touch touch = Input.GetTouch (0); // Switch through touch events switch (Input.GetTouch (0).phase) { case TouchPhase.Began: if (VerifyTouch (touch)) CanRotate = true; break; case TouchPhase.Moved: if (CanRotate) RotateObject (touch); break; case TouchPhase.Ended: CanRotate = false; break; } } } bool VerifyTouch (Touch touch) { Ray ray = Camera.main.ScreenPointToRay (touch.position); RaycastHit hit; // Check if there is a collider attached already, otherwise add one on the fly if (collider == null) gameObject.AddComponent (typeof(BoxCollider)); if (Physics.Raycast (ray, out hit)) { if (hit.collider.gameObject == this.gameObject) return true; } return false; } void RotateObject (Touch touch) { cachedTransform.Rotate (new Vector3 (touch.deltaPosition.y, -touch.deltaPosition.x, 0) * speed, Space.World); } } The above code works fine. However, I'm wondering how I can keep the cube spinning after the user lifts his finger. The user should be able to "fling" the cube, which would keep spinning and after a while would slowly come to a stop due to drag. Should I do this using AddForce or something? I'm really new to this stuff so I'd like it if you guys could point me in the right direction here :) .

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• How should an undergraduate programmer organize his time learning the maximum possible?

  - by nischayn22

  I started programming lately(pre-final year of a CS degree) and now feel like there's a sea of uncovered treasure for me out there. So, I decided to cover as much as is possible before I look out for a job after graduation. So, I started to read books (The C++ Programming Language, Introduction to Algorithms, Cracking the Coding Interview, Programming Pearls,etc ) participate in StackExchange sites, solving problems (InterviewStreet and ProjectEuler), coding for open source, chatting to fellow programmers/mentors and try to learn more and more. Good,then what's the problem?? The problem is I am trying to do many things, but I am doubtful that I am still utilizing my time properly. I am reading many books and sometimes I just leave a book halfway (jumping from one book to another), sometimes I spend way too much time on chatting and also in getting lost somewhere in the huge internet world, and lastly the wasteful burden of attending classes (I don't think my teachers know good enough or I prefer learning on my own) May be some of you had similar situation. How did you organize your time? Or what do you think is the best way to organize it for an undergraduate? Also what mistakes am I making that you can warn me of

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• Today in the OTN Lounge (Wednesday October 3, 2012)

  - by Bob Rhubart

  Here's a quick rundown of today's activities in the OTN Lounge: OTN Lounge hours today: 8:00 am - 6:00pm 9:00 am - 1:00 pm RAC Attack Learn about Oracle Real Application Clustering (RAC) in this collaborative event. You'll work with experts from the IOUG RAC SIG to get an Oracle Database 11gR2 RAC cluster running inside a virtual machine. For more information: RAC attack at Oracle Open World (Pythian Blog) RAC Attack - Oracle Cluster Database at Home/Events (WikiBooks) 4:30 pm - 8:00 pm Oracle Social Network Developer Challenge Judging The Oracle Social Network Developer Challenge comes to its conclusion with the final judging on entries and the award of the single prize: $500 in Amazon gift cards. Click here for more information. 4:30 pm - 5:30 pm Oracle ADF / Oracle Fusion Middleware Meet-up Join other Oracle ADF and Oracle Fusion Middleware developers and meet the product managers and engineers behind Oracle ADF, ADF Mobile, and ADF Essentials. Did we mention free beer? The OTN Lounge is located in the Howard St. Tent, between 3rd and 4th, directly between Moscone North and Moscone South. Access to the OTN Lounge requires an Oracle OpenWorld or JavaOne conference badge.

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• How can state changes be batched while adhering to opaque-front-to-back/alpha-blended-back-to-front?

  - by Sion Sheevok

  This is a question I've never been able to find the answer to. Batching objects with similar states is a major performance gain when rendering many objects. However, I've been learned various rules when drawing objects in the game world. Draw all opaque objects, front-to-back. Draw all alpha-blended objects, back-to-front. Some of the major parameters to batch by, as I understand it, are textures, vertex buffers, and index buffers. It seems that, as long as you are adhering to the above two rules, there's little to be done in regards to batching. I see one possibility to batch, while still adhering to the above two rules. Opaque objects can still be drawn out of depth-order, because drawing them front-to-back is merely a fillrate optimization, meanwhile state changes may very well be far more expensive than the overdraw of drawing out of depth-order. However, non-opaque objects, those that require alpha-blending at least, must be drawn back-to-front in order to avoid rendering artifacts. Is the loss of the fillrate optimization for opaques worth the state batching optimization?

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• How to Integrate Dropbox with Pages, Keynote, and Numbers on iPad

  - by The Geek

  The iWork apps are some of the best apps on the iPad, and each show just how powerful a touchscreen device can be with the most basic of computing functions. In fact, there’s not much to dislike about the iWork apps, except for one thing: importing and exporting files. You can open documents from email attachments, download them from websites, or import them from other apps like Dropbox. Once you’ve opened your file in Pages, Keynote, or Numbers on iPad, though, you can only send it via email, upload it to a WebDAV server or Apple’s iDisk service, or wait to sync it with iTunes on your computer. Most other iOS office apps don’t offer nearly as many features as the iWork apps, but they do offer deep integration with Dropbox which makes it easy to view and edit your documents no matter where you are. Dropbox is the most popular file sync and sharing solution, and makes it absolutely painless to share folders with anyone around the world and keep your computers in sync. That is, computers and applications that integrate with Dropbox. However, you don’t need to give up on using Dropbox with iWork apps on iPad. Today we’re going to look at how you can enable WebDAV compatibility on your Dropbox account to let Pages integrate nearly the whole way with Dropbox. It’s not a perfect solution, but it’s much better than the default setup. So let’s get started Latest Features How-To Geek ETC How to Integrate Dropbox with Pages, Keynote, and Numbers on iPad RGB? CMYK? Alpha? What Are Image Channels and What Do They Mean? How to Recover that Photo, Picture or File You Deleted Accidentally How To Colorize Black and White Vintage Photographs in Photoshop How To Get SSH Command-Line Access to Windows 7 Using Cygwin The How-To Geek Video Guide to Using Windows 7 Speech Recognition Stylebot Customizes Web Pages in Chrome, Now Has Downloadable Styles Blackberry, Dell, Apple, and Motorola Tablets Compared [Infographic] Encrypt Your Google Search Queries Vintage Posters Showcase the History of Tech Advertising Google Cloud Print Extension Lets You Print Doc/PDF/Txt Files from Web Sites Hack a $10 Flashlight into an Ultra-bright Premium One

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• I am not the most logically-organized person. Do I have any chance at being a good 'low-level' programmer?

  - by user217902

  Background: I am entering college next year. I really enjoy making stuff and solving logical problems, so I'm thinking of majoring in compsci and working in software development. I hope to have the kind of job where I can work with implementing / improving algorithms and data structures on a regular basis.. as opposed to, say, a job that's purely concerned with mashing different libraries together, or 'finding the right APIs for the job'. (Hence the word 'low-level' in the title. No, I don't wish to write assembly all day.) Thing is, I've never been the most logically-sharp person. Thus far I have only worked on hobby projects, but I find that I make the silliest of errors ever so often, and it can take me ages to find it. Like anywhere between three hours to a day to locate a simple segfault, off-by-one error, or other logical mistake. (Of course, I do other things in the meantime, like browsing SO, reddit, and the like..) It's not like I'm 'new' to programming either; I first tried C++ maybe five years ago. My question is: is this normal? Should a programmer with any talent solve it in less time? Having read Spolsky's Smart and gets things done, where he talks about the large variance in programming speed, am I near the bottom of the curve, and therefore destined to work in companies that cannot afford to hire quality programmers? I'd like to think that conceptually I'm okay -- I can grasp algorithms and concepts pretty well, I do fine in math and science, although I probably drop signs in my equations more often than the next guy. Still, grokking concepts makes me happy, and is the reason why I want to work with algorithms. I'm hoping to hear from those of you with real-world programming experience. TL;DR: I make many careless mistakes, should I not consider programming as a career?

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• Centrally managing 100+ websites without bankrupting a small company

  - by palintropos

  I'm mainly interested in opinions on the trade-offs between having a single central server all the websites connect to as opposed to each website mirroring a subset of the master database with all the products in it. For example, will I run into severe performance issues (or even security issues, or restrictions) making queries to an offsite database? Will we hit scalability issues we can't handle early on from the sheer bandwidth required to maintain this? If we do go with something like a script that keeps smaller databases (each containing a subset of the central master data) in sync, what sorts of issues will we likely encounter there? I would really like the opinions of people far more knowledgeable than I am regarding the pros and cons of both setups and what headaches we are likely to encounter. CLARIFICATION: This should not be viewed as a question about whether we should implement one database vs multiple databases. This question has been answered numerous times. The question is regarding the pros and cons for a deployment like this having the ability to manage all the websites centrally (one server) vs trying to keep them all in sync if they each have their own db (multiple servers). REAL-WORLD EXAMPLE: We are a t-shirt company, and we have individual websites for our different kinds of t-shirts, but we're looking at a central order management integrated with our single shopping cart (which is ColdFusion + MySQL). Now, let's say we have a t-shirt that's on 10 of our websites and we change an image for it. Ideally we would change that in one place and the change would propagate, but how would we set this up?

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• What do you do to balance the upper or lower case style to name file or folder between work and life? [on hold]

  - by sojyq

  I am a programmer from China. And I like to use English words to name my files and folders Whether it is for work or life. For example, suck as Movie, Work, QtProjects, Music and so on.And I keep the habit of initial the first letter for file name or folder name in Windows. But now I work on Ubuntu, and I found that all file name and folder name are lowercase in addition to the default folder such as Music, Movie and so on. And then I realize that in Linux world, most peoloe like to use all lowercase to name their files and folders for two reasons (1. Linux is Case sensitive. 2. It is fast for shell command.). And after work, when I switch from Linux to Windows, I confuse to use all lowercase or the first letter uppercase style to name my files in Windows. I'm caught in a dilemma. I think that all lowercase is more efficiency but the first letter uppercase is more readable. I thought for a long time and want to come up with a good answer to blance the two style name conversion. But I failed. I want to ask you that how you balance the uppercase or lowercase habbit in Windows, Mac, Linux between work and personal life style? Thank you very much! (My current solution is that when I am in Linux, I use all lowercase for files and folders, but when I am in Windows and Mac OS X, I couldn't find a good reason to convince me to use all lowercase ( I think in Windows and Mac OS X, the first letter uppercase style for me is more readable and beautiful).

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• Neural network input preprocessing

  - by TND

  It's clear that the effectiveness of a neural network depends strongly on the format you give it to work with. You want to preprocess it into the most convenient form you can algorithmically get to, so that the neural network doesn't have to account for that itself. I'm working on a little project that (surprise!) is going to be using neural networks. My future goal is to eventually use NEAT, which I'm really excited about. Anyway, one of my ideas involves moving entities in continuous 2D space, from a top-down perspective (this would be a really cool game AI). Of course, unless these guys are blind, they're going to be able to see the world around them. There's a lot of different ways this information could be fed into the network. One interesting but expensive way is to simply render a top-down "view" of things, with the entities as dots on the picture, and feed that in. I was hoping for something much simpler to use (at least at first), such as a list of the x (maybe 7 or so) nearest entities and their position in relative polar coordinates, orientation, health, etc., but I'm trying to think of the best way to do it. My first instinct was to order them by distance, which would inherently also train the neural network to consider those more "important". However, I was thinking- what if there's two entities that are nearly the same distance away? They could easily alternate indexes in that list, confusing the network. My question is, is there a better way of representing this? Essentially, the issue is the network needs a good way of keeping track of who's who, while knowing (by being inputted) relevant information about the list of entities it can see. Thanks!

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• How to highlight non-rectengular hotspots?

  - by HuseyinUslu

  So my question is highly related to Creating non-rectangular hotspots and detecting clicks. Yet again, I've irregular hot-spots (think the game Risk). So basically, we can detect clicks on these hot-spots easily using color key mapping as discussed in above question which I don't have any problems implementing (which is also covered here in details). The problem is about highlighting these irreguar hotspots. So let me explain the question a bit more - the above color key mapping guide uses this as a world map; then the author color-maps the imaginary countries; which we can now detect the country the pointer is over. In the same article author mentions outlining countries on mouse-over; though to get the effect, he creates unique border assets for each country - like; So for the game I'm working on I'm using the same color-key mapping idea to detect hot-spots, but I didn't like the way of highlighting hot-spots. Coloring all the hot-spots is already a great work for me - as I've 25+ hot-spots for each map - further more the need to have 25 unique border/highlight asset per hot-spot doesn't sound right. Anyone have a better idea/suggestion on highlighting these hot-spots?

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• listing my programming experience on my resume

  - by Bigbio2002

  On my resume, I list myself as having "7 years of hands-on experience programming in C++". To clarify, I am a self-taught C++ programmer with some college courses thrown in the mix. I've worked on some small personal projects, and I consider myself to be more competent than a CS grad with no actual real-world experience, though by no means am I anywhere near being an expert. The issue is this... I keep getting calls and emails from recruiters that see my resume on job sites, inquiring about my interest in senior developer positions, contracts, etc., of which I feel that I am completely under-qualified for. My resume only has 3 years of work experience listed (which is all IT stuff), so when they ask about my prior experience in C++, I have to clarify that it was personal work, not professional work. I'd really like a job as a developer, but I don't want to get hired for something that I can't handle, nor do I want to misrepresent myself while trying to show off my strengths. I deliberately chose the phrasing "hands-on" to imply that it wasn't professional. How should I phrase my C++ experience on my resume to clarify it better?

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• What's so great about Clojure?

  - by marco-fiset

  I've been taking a look at Clojure lately and I stumbled upon this post on Stackoverflow that indicates some projects following best practices, and overall good Clojure code. I wanted to get my head around the language after reading some basic tutorials so I took a look at some "real-world" projects. After looking at ClojureScript and Compojure (two the the aforementioned "good" projects), I just feel like Clojure is a joke. I don't understand why someone would pick Clojure over say, Ruby or Python, two languages that I love and have such a clean syntax and are very easy to pick up whereas Clojure uses so much parenthesis and symbols everywhere that it ruins the readability for me. I think that Ruby and Python are beautiful, readable and elegant. They are easy to read even for someone who does not know the language inside out. However, Clojure is opaque to me and I feel like I must know every tiny detail about the language implementation in order to be able to understand any code. So please, enlighten me! What is so good about Clojure? What is the absolute minimum that I should know about the language in order to appreciate it?

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• How effectively "sell" a good design in large meetings

  - by User1

  Many times I have witnessed a sad tragedy. Here's what happens: A team design review for a new project. I see a simple design that has quite a few holes. I casually mention the holes and ways to avoid them. The warnings are ignored with comments like "that 'never' happen in real life" Eventually the things that "will 'never' happen" happen An emergency team design review for a broken project. So what do I do? Copping the "I told you so" attitude is not going to win friends and influence people. Sometimes years go by and the comments from step 3 are forgotten anyway. I definitely don't want to be the annoying pest reminding the world of the gotchas. I often sit back and watch the Titanic sail off to Europe. It's frustrating to see bad designs move forward. It's also frustrating that I can't seem to convince others of the pending peril of the current path. I do worst on team meetings where everyone has different ways of understanding different terms. Also, egos tend to win of reason and thought. I'm looking for good tactics to convince groups people to use some new and complicated ideas.

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