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• HTML5 article tag application for the iPad/iPhone

  - by dspencer

  I've used article tags on websites. My understanding and practice is to use the article tag for publication content. I always use HTML/HTML5 tags as their intended purposes and not at will. Recently, I've seen an HTML template that uses the article tag for the non-publication page content such as the content of an About Us page or any other generic page. I asked the why it was used this way and the (vague) explanation was that it had to do with the way the iPad read the tag. Is this true?

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• When creating a new text file, should I add a .txt extension to its name?

  - by Agmenor

  When I create a new document aimed at containing only plain text, I am not obliged by Ubuntu to add a .txt extension to its name. It works indeed very well: gedit opens it without problem, understanding very well that it is only text. The only two pro arguments I have found from now on for adding an extension are 1/ interoperability with Windows systems and 2/ avoiding confusion with folders having the same name. Nevertheless those two arguments do not convince me at all. As a consequence, should I keep the reflex of adding an extension to files or not?

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• What are Collaboration Data Objects (CDO)?

  - by Pranav

  Collaboration Data Objects or CDO, is a component that enables messaging between applications. It's something like the MFC we have in VC++ that enables us to prefer a simpler interface compared to the WIN32 API which, as an interface, still requires lots of escalation work by developers (yet very robust!). CDO is primarily built to simply the creations of messaging applications and we should keep in mind that CDO is NOT a new messaging model but is BUILT ON the MAPI architecture. It is just an extended interface that collaborates with MAPI and simplifies the programming task at hand for creation of messaging applications. CDO replaced Microsoft's earlier Active Messaging. CDO 1.2 enables us to play around with Data, send, receive emails and a host of other functions like rendering in exchange functionalities into HTML and do loads of other stuff. If you've got some firsthand experiences, a couple of tips will be great and will defiantly further my knowledge base in this area and hopefully get me a more refined understanding. Some pointers on MAPI will be pretty cool.

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• XNA Transparency depending on drawing order?

  - by DarthRoman

  I am drawing two 3D objects, both of them can fade from opaque to transparent independently, and they can intersect between them (so you cannot say when one of them is before the other one). Look at the image for a better understanding (one of the object is a terrain and the other one an area): Now, if I apply transparency to both of them, and draw the terrain before the area, the terrain is not transparent respecting to the area, but the area is: And finally, if I draw the area before the terrain, then the area is not transparent respecting of the terrain: QUESTION: How can I make all the objects transparent to the rest of objects without depending on the drawing order?

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• Is Java's ElementCollection Considered a Bad Practice?

  - by SoulBeaver

  From my understanding, an ElementCollection has no primary key, is embedded with the class, and cannot be queried. This sounds pretty hefty, but it allows me the comfort of writing an enum class which also helps with internationalization (using the enum key for lookup in my ResourceBundle). Example: We have a user on a media site and he can choose in which format he downloads the files @Entity @Table(name = "user") public class User { /* snip other fields */ @Enumerated @ElementCollection( targetClass = DownloadFilePreference.class, fetch = FetchType.EAGER ) @CollectionTable(name = "download_file_preference", joinColumns = @JoinColumn(name = "user_id") ) @Column(name = "name") private Set<DownloadFilePreference> downloadFilePreferences = new HashSet<>(); } public enum DownloadFilePreference { MP3, WAV, AIF, OGG; } This seems pretty great to me, and I suppose it comes down to "it depends on your use case", but I also know that I'm quite frankly only an initiate when it comes to Database design. Some best practices suggest to never have a class without a primary key- even in this case? It also doesn't seem very extensible- should I use this and gamble on the chance I will never need to query on the FilePreferences?

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• Introduction to Microsoft SQL Azure: Free self-paced Microsoft class

  - by Jim Duffy

  Here is a wonderful opportunity to take advantage of some FREE Microsoft Learning content on SQL Azure. This self-paced 2 hour class is broken down into 4 segments each with a self test at the end. Class Segments 1) Understanding the SQL Azure Platform 2) Designing Applications for SQL Azure 3) Migrating Applications to SQL Azure 4) Achieving Scale with SQL Azure If you’re getting started with Windows Azure or have been working with it for a while and need to take advantage of the storage capabilities offered by SQL Azure this is going to be a great place for you to start learning. Have a day. :-|

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• jQuery Set Child CSS Attribute Problem

  - by Jascha

  I have a child element of a div named "bob" that's class is '.divTitle' <div id="bob"> <div class="divTitle"> <a href="#"> <h1>Title</h1> </a> </div> </div> I am trying to set the background color of "divTitle" to red but for the life of me can't get this to work. Right now I am trying two things... $('#bob').children('.divTitle')[0].css('background-color', '#0f0'); // assuming children is returning an array... and $('#bob').children('.divTitle').css('background-color', '#0f0'); neither with any success... can anyone tell me what I am missing here? Do I have to go deeper than ".children"?

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• Some Insight on the Field of Knowledge Representations

  - by picmate

  I started following an MS in computer sciences after about two years of work for a software company. I worked primarily in data warehousing and business intelligence related software development during my previous occupation. There is a high chance for me to select a research in knowledge representations, ontologies and reasoning, as there are no other research available in any other interesting fields, such as pattern recognition and navigation. I developed an interest towards knowledge representation with what I learnt from the courses I am taking currently. But I do not have a deep understanding of it in terms of which areas such a field would have an impact in a real life scenario, and how it will help me when I am hunting for a job in the near future. Some thought about this would be greatly appreciated.

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• How could a human factors degree help a computer scientist?

  - by Bob Dole

  I'm wrapping up a masters in CS and already have half the credit hours needed for a degree in Human Factors. I just recently discovered how useful understanding about cognition can help someone that creates user interfaces and am thirsty for more knowledge in the area. For me, it seems that having both a masters in Human Factors and CS would be very marketable but would there be jobs out there that would allow me to apply both? Meaning what I would really like to do is take the requirements for some application, apply different Human Factors theories( GOMS, CE+ ) to developing the interface, maybe do cognitive walk through with users to optimize the UI, then develop the application. Do jobs out there exist like this? The reason I ask, is because I'm wondering if most places just want you to be either a Human Factors Expert or a Developer but not both.

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• Do you think code is self documenting?

  - by Desolate Planet

  This is a question that was put to me many years ago as a gradute in a job interview and it's kind of picked at my brain now and again and I've never really found a good answer that satisfies me. The interviewer in question was looking for a black and white answer, there was no middle ground. I never got the chance to ask about the rationale behind the question, but I'm curious why that question would be put to a developer and what you would learn from a yes or no answer? From my own point of view, I can read Java, Python, Delphi etc, but if my manager comes up to me and asks me how far along in a project I am and I say "The code is 80% complete" (and before you start shooting me down, I've heard this uttered in a couple of offices by developers), how exactly is that self documenting? Apologies if this question seems strange, but I'd rather ask and get some opinions on it to gain a better understanding of why it would be put to someone in an interview.

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• Software Architecture - From design to sucessful implementation

  - by user20358

  As the subject goes; once a software architect puts down the high level design and approach to a software that is to be developed from scratch, how does the team ensure that it is implemented successfully? To my mind the following things will need to be done Proper understanding of requirements Setting down coding practices and guidelines Regular code reviews to ensure the guidelines are being adhered to Revisiting the requirements phase and making necessary changes to design based on client inputs if there are any changes to requirements Proper documentation of what is being done in code Proper documentation of requirements and changes to them Last but not the least, implementing the design via object oriented code where appropriate Did I miss anything? Would love to hear any mistakes that you have learned from in your project experiences. What went wrong, what could have been done better. Thanks for taking the time..

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• OM: Effective Troubleshooting Techniques to Debug Order Import

  - by ChristineS

  There is a new document available to help you debug Order Import in Order Management:  Effective Troubleshooting Techniques to Debug Order Import Issues (Doc ID 1558196.1) The white paper addresses debugging from a technical perspective. This approach is to assist users in understanding the actual issue, as well as help them in the early resolution of any order import issue. It will walk you through several cases, with supporting debug logs / trace files taken for each case. Educating you along the way for what debug logs / trace files should be gathered, as trace files are not always needed.  It will also walk you through the supporting documents so you will know what to look for in your case. Please refer to this note the next time you have an Order Import error. Or you could step through it now, so you are informed the next time you encounter an Order Import error.  Happy debugging!

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• Convert args to flat list?

  - by Mark

  I know this is very similar to a few other questions, but I can't quite get this function to work correctly. def flatten(*args): return list(item for iterable in args for item in iterable) The output I'm looking for is: flatten(1) -> [1] flatten(1,[2]) -> [1, 2] flatten([1,[2]]) -> [1, 2] The current function, which I from another SO answer doesn't seem to produce correct results at all: >>> flatten([1,[2]]) [1, [2]] I wrote the following function which seems to work for 0 or 1 levels of nesting, but not deeper: def flatten(*args): output = [] for arg in args: if hasattr(arg, '__iter__'): output += arg else: output += [arg] return output

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• In-depth Coverage for Oracle Workflow

  - by Steven Chan (Oracle Development)

  I'm lucky to work with many talented people in the Applications Technology Group, and many of them contribute articles to this blog.  Some team members have their own blogs.  If you work with Oracle Workflow, here's one that you should be following: Oracle E-Business Suite - Workflow This blog is updated every few months by our development team with in-depth technical articles about Oracle Workflow-related topics.  For example, articles posted there include: Implementing a post-notification function to perform custom validation E-Business Suite Proactive Support - Workflow Analyzer Asynchronous Business Event Subscriptions - Troubleshooting Tips Oracle E-Busienss Suite RCD - Applications Technology Releases 12.1 and 12.2 SMTP Authentication Feature in R12.1.3 Configurable User LOV in Worklist UI Oracle Business Event and Subsciptions Execution Flow Understanding AQs in Workflow SSL in Oracle Workflow Leveraging Oracle Workflow for Declarative PageFlow If you have suggestions about Workflow topics that you'd like to see covered there, drop them a line.

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• Not able to install ubuntu 12.10

  - by Janet

  When I try to install Ubuntu on my computer I get this error: /var/cache/apt/archives/compiz-gnome_1% 3a0.9.8.4+brz 3412-0ubuntu0.1_i386.deb and /var/cache/apt/archives/metacity-common_1% 3a2.34.8-0ubuntu4_all.deb Ok, since I'm not a whiz at installing linux or understanding it...When these two things popped up it stated that the file was corrupted and there were too many errors to complete the install. Now, does that help? I had Ubuntu 12.04 LTS on my computer and wanted to upgrade, now I have nothing on my desktop and when I tried to install by using my usb pen, nothing happen and I also have it on dvd and tried to install from that and nothing still happen. So maybe someone can tell me why it's not installing on my desktop? I have it on my laptop with Windows.

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• Learning Asynchronous programming

  - by xenoterracide

  Asynchronous non-blocking event driven programming seems to be all the rage. I have a basic conceptual understanding of what this all means. However what I'm not sure is when and where my code can benefit from being asynchronous, or how to make blocking IO, non-blocking. I'm sure that I can simply use a library to do this, but I'm more interested in more in depth concepts, and the various ways to implement it myself. Are there any comprehensive/definitive books, or other resources on this subject (like GoF for Design Patterns, or K&R for C, tldp for things like bash)? (Note: I'm not sure if this is actually functionally an identical question to my question on Learning event driven programming)

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• I need to go from Linux to VS2012 fast. Anybody have a guide?

  - by Mikhail

  I need to parallelize a library through the use of a graphic accelerator. I have had no trouble doing similar work on Linux but I am struggling with using Visual Studios 2012. I can't figure out how to do analogs to simple things. I can't figure out how to do simple things like specifying linkage, libraries, and include files. I need to move quickly from understanding the Linux build system to the Windows build system. Does anybody have a guide or some advice on moving from Linux to Visual Studios development? I feel like I am crawling through a labyrinth of menus. With frequent dead ends saying that this feature has moved to another place. Also this code must build with VS2012.

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• How Important is Project Team Communication in the Public Sector?

  - by Melissa Centurio Lopes

  Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} By Paul Bender, Director of Public Administration Strategy, Oracle Primavera It goes without saying that communication between project team members is a core competency that connects every member of a project team to a common set of strategies, goals and actions. If these components are not effectively shared by project leads and understood by stakeholders, project outcomes can be jeopardized and budgets may incur unnecessary risk. As reported by PMI’s 2013 Pulse of the Profession, an organization’s ability to meet project timelines, budgets and especially goals significantly impacts its ability to survive—and even thrive. The Pulse study revealed that the most crucial success factor in project management is effective communication to all stakeholders—a critical core competency for public agencies. PMI’s 2013 Pulse of the Profession report revealed that US$135 million is at risk for every US$1 billion spent on a project. Further research on the importance of effective project team communication uncovers that a startling 56 percent (US$75 million of that US$135 million) is at risk due to ineffective communication. Simply stated: public agencies cannot execute strategic initiatives unless they can effectively communicate their strategic alignment and business benefits. Executives and project managers around the world agree that poor communication between project team members contributes to project failure. A Forbes Insights 2010 Strategic Initiatives Study “Adapting Corporate Strategy to the Changing Economy,” found that nine out of ten CEOs believe that communication is critical to the success of their strategic initiatives, and nearly half of respondents cite communication as an integral and active component of their strategic planning and execution process. Project managers see it similarly from their side as well. According to PMI’s Pulse research, 55 percent of project managers agree that effective communication to all stakeholders is the most critical success factor in project management. As we all know, not all projects succeed. On average, two in five projects do not meet their original goals and business intent, and one-half of those unsuccessful projects are related to ineffective communication. Results reveal that while all aspects of project communication can be challenging to public agencies, the biggest problem areas are: A gap in understanding the business benefits. Challenges surrounding the language used to deliver project-related information, which is often unclear and peppered with project management jargon. Public agencies -- federal, state, and local -- have difficulty communicating with the appropriate levels with clarity and detail. This difficulty is likely exacerbated by the divide between each key audience and its understanding of project-specific, technical language. For those involved in public sector project and portfolio management, I would be interested to hear your thoughts and please visit Primavera EPPM solutions for public sector.

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• vestal_versions and htmldiff question of reversion...

  - by holden

  I'm guessing there's probably an easier way to do what I'm doing so that the code is less unwieldy. I had trouble understanding how to use the revert_to method... i wanted something where i could call up two different versions at the same time, but this doesn't seem to be the way that vestal_versions works. This code works, but I'm wondering if I'm making something harder than it needs to be and I'd like to find out before I delve deeper. @article = Article.find(params[:id]) if params[:versions] v = params[:versions].split(',') @article.revert_to(v.first.to_i) @content1 = @article.content @article.revert_to(v.last.to_i) @content2 = @article.content end In case you're wondering, I'm using this in conjunction with HTMLDIFF to get the version changes. <div id="content"> <% if params[:versions] %> <%= Article.diff(@content1, @content2) %> <% else %> <%= @article.content %> <% end %> </div>

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• Choosing a crossplatform for mobile development

  - by Mech0z

  I am creating a enterprise project and will develop the app for WP, Android and IPhone (Maybe also tablets) I have then done some research of what solutions are out there and have narrowed my choice down to 3 platforms (Due to my requirement to work with Bluetooth) The biggest requirement other than Bluetooth is the need to create good interfaces and module programming so its easy to maintain the whole solution, other than that I would like to use C# but its not a real requirement, but if the difference between 2 platforms is very small then it might tip the scale. Mono (MonoTouch, Mono for android) PhoneGap RhoMobile From my understanding then PhoneGap is not suited for business apps and I am not entirely sure why, but it seems like a platform made for speed rather than long term developement, not sure how true this is. RhoMobile is made for enterprice and might suit my needs, but not sure if its a good platform Anyone with insight that care to share their opinion Mono is C#, seems to be very mature and I found MvvmCross which should help organize the project

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• Do I need a wifi card to have internet access?

  - by Sarah

  I am attempting to set up a wireless network on 11.04, freshly download today. The router is on and working. However, I do not have a wifi "card" (which I am assuming is a little USB-type thing that allows internet access, but correct me if I am wrong) and every time I try to type in the MAC address and everything, nothing works. I also get the "firmware missing" error when I scroll over the signal strength, which I have tried looking up but have been unsuccessful with completely understanding it. I guess my main question is do I need another little device to be able to use wifi on my ubuntu? I do have an ethernet cable but another person is using it and I do not want to be tied down to that cable. the problem is that none of the wireless networks show up, however they show up when I go into Windows mode on my laptop. I get an error message at the top saying "firmware missing" which I have tried looking up but still have no straight answer for.

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• Learn a NoSQL or become a badass with traditional RDMS - Where is/will the work be?

  - by beck

  I'm half way through my MSc and am thinking about my dissertation which I get 3 months to work on full time. Im very comfortable with the traditional Relational Database, the question is should I work on a project where I get a good understanding of something like Cassandra, or should I really push my RDMS knowledge to the limit. Getting great at something like MySQL is a solid safe option, will there really be much work for me with Cassandra in my tool belt? I would love to do either.... Thanks for your opinions and advice.

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• Knowing your user is key--Part 1: Motivation

  - by erikanollwebb

  I was thinking where the best place to start in this blog would be and finally came back to a theme that I think is pretty critical--successful gamification in the enterprise comes down to knowing your user.  Lots of folks will say that gamification is about understanding that everyone is a gamer.  But at least in my org, that argument won't play for a lot of people.  Pun intentional.  It's not that I don't see the attraction to the idea--really, very few people play no games at all.  If they don't play video games, they might play solitaire on their computer.  They may play card games, or some type of sport.  Mario Herger has some great facts on how much game playing there is going on at his Enterprise-Gamification.com website. But at the end of the day, I can't sell that into my organization well.  We are Oracle.  We make big, serious software designed run your whole business.  We don't make Angry Birds out of your financial reporting tools.  So I stick with the argument that works better.  Gamification techniques are really just good principals of user experience packaged a little differently.  Feedback?  We already know feedback is important when using software.  Progress indicators?  Got that too.  Game mechanics may package things in a more explicit way but it's not really "new".  To know how to use game mechanics, and what a user experience team is important for, is totally understanding who our users are and what they are motivated by. For several years, I taught college psychology courses, including Motivation.  Motivation is generally broken down into intrinsic and extrinsic motivation.  There's intrinsic, which comes from within the individual.  And there's extrinsic, which comes from outside the individual.  Intrinsic motivation is that motivation that comes from just a general sense of pleasure in the doing of something.  For example, I like to cook.  I like to cook a lot.  The kind of cooking I think is just fun makes other people--people who don't like to cook--cringe.  Like the cake I made this week--the star-spangled rhapsody from The Cake Bible: two layers of meringue, two layers of genoise flavored with a raspberry eau de vie syrup, whipped cream with berries and a mousseline buttercream, also flavored with raspberry liqueur and topped with fresh raspberries and blueberries. I love cooking--I ask for cooking tools for my birthday and Christmas, I take classes like sushi making and knife skills for fun.  I like reading about you can make an emulsion of egg yolks, melted butter and lemon, cook slowly and transform them into a sauce hollandaise (my use of all the egg yolks that didn't go into the aforementioned cake).  And while it's nice when people like what I cook, I don't do it for that.  I do it because I think it's fun.  My former boss, Ultan Ó Broin, loves to fish in the sea off the coast of Ireland.  Not because he gets prizes for it, or awards, but because it's fun.  To quote a note he sent me today when I asked if having been recently ill kept him from the beginning of mackerel season, he told me he had already been out and said "I can fish when on a deathbed" (read more of Ultan's work, see his blogs on User Assistance and Translation.). That's not the kind of intensity you get about something you don't like to do.  I'm sure you can think of something you do just because you like it. So how does that relate to gamification?  Gamification in the enterprise space is about uncovering the game within work.  Gamification is about tapping into things people already find motivating.  But to do that, you need to know what that user is motivated by. Customer Relationship Management (CRM) is one of those areas where over-the-top gamification seems to work (not to plug a competitor in this space, but you can search on what Bunchball* has done with a company just a little north of us on 101 for the CRM crowd).  Sales people are naturally competitive and thrive on that plus recognition of their sales work.  You can use lots of game mechanics like leaderboards and challenges and scorecards with this type of user and they love it.  Show my whole org I'm leading in sales for the quarter?  Bring it on!  However, take the average accountant and show how much general ledger activity they have done in the last week and expose it to their whole org on a leaderboard and I think you'd see a lot of people looking for a new job.  Why?  Because in general, accountants aren't extraverts who thrive on competition in their work.  That doesn't mean there aren't game mechanics that would work for them, but they won't be the same game mechanics that work for sales people.  It's a different type of user and they are motivated by different things. To break this up, I'll stop here and post now.  I'll pick this thread up in the next post. Thoughts? Questions? *Disclosure: To my knowledge, Oracle has no relationship with Bunchball at this point in time.

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• What is the most effective order to learn SQL Server, LINQ, and Entity Framework?

  - by user1525474

  I am trying to get some advice on what order I should learn about SQL Server, LINQ, and Entity Framework to be able to better work with ASP.NET Webforms and MVC. From what I've been able to learn so far, many recommend learning LINQ or Entity Framework before learning SQL Server. It also appears that many companies are looking for people with knowledge in LINQ-to-SQL and Entity Framework without mentioning SQL Server. However, my understanding is that LINQ-to-SQL and Entity Framework translate code into SQL Server queries, making this a poor approach. Is there a correct or best order in which to learn these technologies?

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• Are all languages basically the same?

  - by Anirudh

  Recently, i had to understand the design of a small program written in a language i had no idea about (ABAP, if you must know). I could figure it out without too much difficulty. I realize that mastering a new language is a completely different ball game, but purely understanding the intent of code (specifically production standard code, which is not necessarily complex) in any language is straight forward, if you already know a couple of languages (preferably one procedural/OO and one functional). Is this generally true? Are all programming languages made up of similar constructs like loops, conditional statements and message passing between functions? Are there non-esoteric languages that a typical Java/Ruby/Haskell programmer would not be able to make sense of? Do all languages have a common origin?

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