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  • When may I ask a question to fellow developers? (Rules before asking questions).

    - by Zwei Steinen
    I assigned a quite simple task to one junior developer today, and he kept pinging me EVERY 5 minutes for HOURS, asking STEP BY STEP, what to do. Whenever something went wrong, he simply copy&pasted the log and basically wrote, "An exception occurred. What should I do?" So I finally had to tell him, "If you want to be a developer, please start thinking a little bit. Read the error message. That's what they are for!". I also however, tell junior developers to ask questions before spending too much time trying to solve it themselves. This might sound contradictory, but I feel there is some kind of an implicit rule that distinguishes questions that should be asked fairly quickly and that should not (and I try to follow those rules when I ask questions..) So my question is, do you have any rules that you follow, or expect others to follow on asking questions? If so, what are they? Let me start with my own. If you have struggled for more than 90 min, you may ask that question (exceptions exists). If you haven't struggled for more than 15 min, you may not ask that question (if you are sure that the answer can not be found within 15 min, this rule does not have to apply). If it is completely out of your domain and you do not plan to learn that domain, you may ask that question after 15 min (e.g. if I am a java programmer and need to back up the DB, I may ask the DBA what procedure to follow after googling for 15 min). If it is a "local" question, whose answer is difficult to derive or for which resources is difficult to get (e.g. asking an colleague "what method xxx does" etc.), you may ask that question after 15 min. If the answer for it is difficult to derive, and you know that the other person knows the answer, you may ask the question after 15 min (e.g. asking a hibernate expert "What do I need to change else to make this work?". If the process to derive the answer is interesting and is a good learning opportunity, you may ask for hints but you may not ask for answers! What are your rules?

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  • Is there an algorithm for finding an item that matches certain properties, like a 20 questions game?

    - by lala
    A question about 20 questions games was asked here: However, if I'm understanding it correctly, the answers seem to assume that each question will go down a hierarchal branching tree. A binary tree should work if the game went like this: Is it an animal? Yes. Is it a mammal? Yes. Is it a feline? Yes. Because feline is an example of a mammal and mammal is an example of an animal. But what if the questions go like this? Is it a mammal? Yes. Is it a predator? Yes. Does it have a long nose? No. You can't branch down a tree with those kinds of questions, because there are plenty of predators that aren't mammals. So you can't have your program just narrow it down to mammal and have predators be a subset of mammals. So is there a way to use a binary search tree that I'm not understanding or is there a different algorithm for this problem?

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  • You Are Hiring But Do Candidate&rsquo;s Want to Work For You

    - by david.talamelli
    So here you are – it has happened, you are now interviewing for that position that you have either applied for or maybe were called about. Whether you are an “active” candidate looking for a job or a “passive” candidate who was contacted about the opportunity, it doesn’t matter now. Regardless of the circumstances of how you got to the interview stage, how you and your new potential manager connect with each other at interview will play a part in whether you are successful in landing that job. The best manager/employee relationships I think tend to be the ones where both the manager and employee have a common goal that they are both working towards and they work together in unison to achieve these goals. Candidates – when you are interviewing for a role, remember that an interview is a two way process. An interview shouldn’t be just a case of a company interviewing you to see if you are a good fit for a certain role. Don’t forget in an interview process it is equally important that you take the opportunity to similarly interview the company to see if that role/company are the right place for you to move to as the next step in your career. I think an interview should not only be a chance for a Hiring Manager to get to better know a candidate and asses his capability and cultural fit for a team/company but it should also be a chance for the candidate to similarly assess a company or manager about whether they are someone that they want to work with. Managers – I know Recruiters have been talking about the “war for talent” since before many of you were managers, but there is no denying it – it exists. You are not only competing with other companies for talented individuals but you are also competing with the existing companies that those talented individuals are working at. Companies are not going to let the people they have identified as superstars resign without a fight (this is the classic Counter Offer scenario which may be another blog post in itself). So how do we get these great people – their current employer will do all they can to keep them, everyone else wants them – does this mean all hope is lost? No, absolutely not. The same reasons that have always existed on why candidates are interested in other opportunities is still there: it could be that someone is looking for career advancement, or they want the chance to work with new technology or maybe you have an opportunity that is exactly what that person is looking to do. As a Hiring Manager don’t just conduct your interviews in question/answer mode. You should talk to that individual to work out what it is they are looking for and you can then relate how your role addresses that. It is potentially going to be the two of you working together so you two are the ones who have to be most comfortable with each other. Don’t oversell the role – set realistic expectations of what that candidate can expect working in your team – give them the good, the bad and the ugly so they can make an informed decision. Manager’s think back to when you last were looking for a job and put yourself in the candidate’s shoes. When you were looking for a job, what was it that you wanted to know about Oracle, or what was it that you wanted more information about. There are some great Business Leaders that work here at Oracle – if you are one of them it is likely that you already are doing all these things anyway. The good news for you is that you are also likely raising yourself head and shoulders above what many interviewers do – that in itself gives you a competitive advantage in this ‘war for talent’ but as a great Business Leader you already know that

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  • Online Classes on ASP .Net for FREE

    Here are some of the FREE upcoming ASP .Net classes at WiZiQ. 1. 5 imp ASP.NET interview questions by Questpond    Sunday, April 11, 2010 12:30 AM (EST)5 imp .NET interview questions by Questpond     Sunday, April 18, 2010 12:30 AM (EST)3. 5 imp ADO.NET interview questions by Questpond     Saturday, April 24, 2010 12:30 AM (EST)4. 5 important .NET interview questions by ...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • What questions do I need to ask for a database sync?

    - by user65745
    I am currently helping to implement an RFID inventory management system for my company. The software that we are locked into has been at best buggy and unreliable. The software provider is now rolling out a major release. My problem is that the new software release keeps a local database on each machine that then syncs to a master database online. According to the software company we cannot do a scaled rollout because of data corruption issues between the software releases. What questions can I be asking and what sort of testing can I do on my end to make sure this software works? Any suggestions would be very helpful.

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  • What are the right questions to ask when deciding whether to use Chef or Puppet?

    - by John Feminella
    I am about to start a new project which will, in part, require deploying many identical nodes of approximately three different classes: Data nodes, which will run sharded instances of MongoDB. Application nodes, which will run instances of a Ruby on Rails application and an older ASP.NET MVC application. Processing nodes, which will run jobs requested by the application nodes. ALl the nodes will run on instances of Ubuntu 10.04, though they will have different packages installed. I have some familiarity with Chef from previous projects, though I don't consider myself an expert. In an effort to do due diligence, I have been investigating alternative possibilities. We have a number of folks in-house who are long-time Puppet users, and they have encouraged me to take a look. I am having trouble evaluating both choices, though. Chef and Puppet share many of the same domain terminology -- packages, resources, attributes, and so on, and they have a common history that stems from taking different approaches to the same problem. So in some sense they are very similar. But much of the comparison information I've found, like this article, is a little outdated. If you were starting this project today, what questions would you ask yourself to decide whether you should use Chef or Puppet for configuration management? (Note: I don't want answer to the question "Should I use Chef or Puppet?")

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  • Which SEO practises are likely to be responsible for SO questions appearing so quickly in Google sea

    - by morpheous
    Does anyone have some idea as to how come questions posted here on SO are showing up so quickly on Google?. Sometimes questions submitted are appearing as the first 10 entries or so - on the first page within 30 minutes of submitting a question. Pray tell, what sort of magic is being wielded here? Anybody have some ideas, suggestions?. My first thought is that they have info in their sitemap that tells google robots to trawl every N minutes or so - is that whats going on? BTW, I am aware that simply instructing Googlebots to scan your site every N minutes will not work if you dont have quality information (that is constantly being updated on your site). I'd just like to know if there is something else that SO may be doing right (apart from the marvelous content of course)

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  • Is there a weight for html link?

    - by Questions
    I would like to know if there is any weight associated with a html link (its backlink) when google does crawling/indexing. Will 1,2 & 3 be ever considered as a backlink by Google? 1. <a href="xyz.com">1</a> // one character link 2. <a href="xyz.com"> </a> //blank space link 3. <a href="xyz.com">!</a> //special character link 4. <a href="xyz.com">keyword</a> //meaningful word link I hope my question is understandable and guess this is right forum. I don't know to put it in other words. Thanks in advance.

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  • How does a linked library combined with the main executable program file interact with a kernel?

    - by I ask Questions For a Reason
    I was attempting to find an answer to this, and I did to some degree, but definitely not anywhere good enough to form a respectable, sensible and clear answer. If I am using Windows, Mac, Linux, or nearly any modern made OS for desktop IBM-compatible PCs, laptops, even tablets and smartphones, there's virtual memory. Clearly, compiling, at least on Windows I know this, an executable object file, such as a simple C "Hello World" output to a terminal, will be linked with the standard library, and several other Window's system software, dynamic linked libraries, and the like. However, how does linking all of these executables together or resources form a connectable interaction with, say, a device driver or any other stuff on the lower level?

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  • Are application servers necessary? Advantages of using one? (And other JEE questions)

    - by Mike
    Apologies for the long question.. there seems to be other similar questions on here but none really clear up my confusion. I'd be really grateful if someone could confirm or correct my understanding: Java Enterprise Edition is a set of APIs for building enterprise applications, which take away the burden of developing parts of the system that aren't actually features of the application you are trying to build (i.e. messaging, transactions etc). To do this, you can use an application server, which implements these APIs. So you could use JBoss, Glassfish, WebSphere, WebLogic etc which would provide your application with these enterprise services. However, there are many other implementations of these individual services available such as ActiveMQ for messaging, Hibernate for persistence, OpenEJB etc. You can download these implementations as Java libraries and include them in your application, and use the services they provide in a similar way to using the services provided by an application server. So if my understanding is correct, my questions are: I've read a lot of places that application servers are necessary for JEE features like EJB, but can't you just use an implementation such as OpenEJB and not need an application server at all? Are there any features that an application server provides which you cannot get from another source? Why would/wouldn't I choose an application server over a custom stack such as Tomcat, OpenEJB, ActiveMQ, and Hibernate? Is Spring a complete alternative to JEE? Does it ever require an application server or always just a servlet container? Why would someone choose Spring over JEE? Any help would be much appreciated!

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  • Want to develop for Android. Have a few basic, non-FAQ questions

    - by Troy M
    Hi everyone, Recently myself and a small group of friends became interested in developing a game for a mobile platform. Originally we considered the iPhone but none of us use macs, so we decided Android would be a more realistic platform to use. Before we get started, I was hoping that I might find some answers to a couple questions so we don't waste our time if this project isn't feasible. Any help is appreciated! I can't seem to find out how many programming languages Android supports. Java is obvious, but what about C+? It seems that Android supports C and C++ through Eclipse, but is that it? (I'm not the programmer for the project which is why I'm asking this. He's comfortable in C+). Our game involves the use of two digital analog sticks (it's not a twin-stick shooter but it's a similar concept). It would seem that most Droid devices unfortunately don't use multi-touch though... Are there many devices out there right now which support this functionality and I'm just not seeing them, or should we possibly consider the development of a different game that would only use a single input? Assuming there's no snags following those first two questions, what would you consider the best screen resolution to develop in? It seems like there are a variety of resolutions out there right now and we can't decide which is the best to use. Again, any answers are appreciated!

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  • General Questions on setting up Subversion (w/Netbeans) and web development workflow.

    - by Roeland
    Hey guys, I am web developer who currently works mostly on his own but, some projects require outside coding help (my brother.) Anyway, after running in to the problem of "working on the same files" and "saving over each others edits" I decided to research ways to avoid this. Through the help of stackoverflow I decided on subversion. My setup is the following: A windows 2008 server with a clean install. My desktop which is on the local network of the server. Then my brothers desktop which is at his house, not on lan. We both prefer to use netbeans for development. My Questions: How do we set this thing up correctly and most optimally. Here is my current setup and work flow. dev site: in the past I just created sub domains with my web host for test sites (company1.bythepixel.com, company2.bythepixel.com), and editted those sites with netbeans set up having remote sources (ftp). how do i set up my netbeans now? should I set it up with remote sources? I guess I may need to set up a web server on my local server. I'm just not sure of the work flow. When i hit save in netbeans.. will it update the repository.. then do i need to update the site from the repository somehow? live site: when going live, i would just copy all the files from the dev site into the live site. from what i gather i should be able to update the site from the dev repository? Currently I am toying with virtualsvn server (http://www.visualsvn.com/server/) on my local server. It looks like it is set up to use the http protocol. Is there advantages to this or should I consider something that does the file//. Do you recommend any other subversion software that would run on my 2008 box? how will my brother connect? should i set up a permanent vpn from his house to mine? suggestions? (not that important) how do I deal with databases, there anyway to do subversion on database? I know I have a lot of questions and I am trying to read / make sense of the free online subversion book, but its all so overwhelming! Wish there was a small subversion for dummies guide :)

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  • Is simply upvoting the best answers to old questions the best way to get them off the unaswered list

    - by Cade Roux
    While the answers might not be the best or the question really doesn't have an answer, if none are upvoted or the person doesn't accept an answer, they sit and sit in the unanswered page. In cases which do have realistic answers, I've been voting up the best. Even if I combine the best answers into a better one, the questioners aren't upvoting, accepting or closing the questions anyway.

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  • ASP.NET- forcing child/container events to fire before parent onload?

    - by Hans Gruber
    I'm working on a questionnaire type application in which questions are stored in a database. Therefore, I create my controls dynamically on every Page.OnLoad. This works like a charm and ViewState is persisted between postbacks because I ensure that my dynamic controls always have the same generated Control.ID. In addition to the user control that dynamically populates the questions, my questionnaire page also contains a 'Status' section (also encapsulated by a user control) which represents the status of the questionnaire (choices are 'Complete', 'Started' or 'In Progress'). If the user changes the status of questionnaire (i.e. from 'In Progress' to 'Complete'), I need to postback to the server because the contents of the dynamic portion of the questionnaire depend on the selected status. Some questions are always present regardless of status, and yet others may not be present at all for the selected status. The point is, when the status changes, I have to postback to the page and render the right set of questions. Additionally, I need to preserve any user entered values for those questions which are 'always available'. However, due to the page life cycle in ASP.NET, the 'Status' user control's OnLoad, which contains the correct status needed to load the right questions from the DB, doesn't get executed until after the 'dynamic questions' user control has already been populated (with the wrong/stale values). To get around this, I raise an event from my 'Status' user control to the main page to indicate that the Status has changed. The main page then raises an event on the 'dynamic questions' user control. Since by the time this event bubbles up, the 'dynamic questions' user control has already loaded the 'wrong' questions from the DB, it first calls Controls.Clear. It then happily uses the new status to query the database for the 'correct' questions and does a Control.Add() on each. FYI, Control.IDs are consistent across postbacks. This solution works...sorta. The correct set of questions for the selected status do get rendered; however ViewState is getting lost for those 'always available' questions. I'm guessing this is because the 'dynamic questions' user control calls Controls.Clear when responding to the status changed event. This must somehow kill the association between ViewState and my dynamic controls, even though the Control.ID are consistent. This seems like such a common requirement, I'm virtually certain there is a better, cleaner and less error prone approach to accomplish this. In case its not plain obvious, I haven't been able to grok the ASP.NET page life-cycle despite working with it for the last year. Any help is much appreciated!

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  • Left outer join in LINQ is showing exception

    - by stackuser3
    The folloqing is the excpetion I am getting The null value cannot be assigned to a member with type System.Int32 which is a non-nullable value type. below is my LINQ Statement where QuestionId is the primary key in my table var questionViewsData = from questionViews in objDc.SC_QuestionsViews join questions in objDc.SC_Questions on questionViews.QuestionId equals questions.QuestionId into qs from questions in qs.DefaultIfEmpty() where questionViews.CreatedDate.Date == new DateTime(2010, 4,27) select new { Selected =(questions == null ?-1:questions.QuestionId), QuestioinTitle = questions.Title, VotesCount = questions.VotesCount }; Let me know how to resolve this

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  • Bad sectors, S.M.A.R.T., SpinRite, firmware on platter and drive id questions.

    - by Christopher Galpin
    Is it possible for S.M.A.R.T. to give false readings (say I was fiddling with lots of recovery programs, transfers, so on and so forth) or is it absolutely a read-only direct correlation to the physical status of a drive? Does SpinRite level 5 "recover bad sectors" operate on those marked at the factory? Are they on the same level as your generic bad sector, with SpinRite thus having full access? (Also I'm curious if SMART's bad sector count is zero'd afterward or if it includes factory marked sectors.) The main firmware of some drives, like a WD Passport is stored on the platter. How is it protected? Is it through marking them as bad sectors? If so, I'm wondering if SpinRite's sector recovery could bring about firmware corruption on these drives. Is the failure of a drive to report valid identity information (hdparm -I /dev/xx) consistent with corrupted firmware, or just general disk failure? I may be misunderstanding the role of firmware here. I feel I've read a drive's identity information is on the platter, just like the partition tables and so on. Is this true? (Apologizes if this is more appropriate for SuperUser.)

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  • Few questions about a good projector on my PC and tv?

    - by jasondavis
    I have always wanted a projector for my tv, satelite, cable, and even PC in a spare bedroom. Well it's more of a home office that I spend most my time in and the catch here is it is a small room. Room is only the standard 8foot tall. Room is about 13 feet wide on the wall where I would like to mount the project and the wall where the screen would be for it. So only about 13 feet away from projector to screen. I would like to know... 1) From experience or knowledge what would be a good projector I could hook up to my satelite box and also my PC? Cheaper is better in this case but I would still like the best image for my buck and something reliable. There is no sunlight in the room either to worry about. 2) From that distance of about 12-13 feet away, how big of a clear picture could I expect? 3) What kind of cables would I need to purchase and run through my attic to my cable/satelite receiver box as well as my PC? 4) These cables in question 3 would most likely need to be a good 15-20feet in length to reach, would I need anything special for that to work at those distances?

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  • How much does SQL Server Web Edition cost? + other related questions

    - by Goma
    Hello. I visited Microsoft pricing page about SQL Server databases, but it was not that clear for me. I want to know the exact cost of SQL Server Web Edition. Furthermore, I would like to know how can I get it if I am with VPS hosting? Should I install it by myself or will they install it for me? And finally, is there a web host that provide SQL Server Web edition so I pay for them directly with the hosting package?

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  • Thinking about open-sourcing quiz project [closed]

    - by user72727
    I was thinking about starting an open source project. I have a few projects that might work ok as an open project but thought I might dip my toe into the water with a simple quiz project. The idea is you can add questions to a quiz, arrange questions by topic, difficulty or location. Users would hopefully get an interesting quiz, tuned to their ability. At the end they'd get a score and hopefully they might provide either some feedback on the questions or even supply a few questions of their own. I couldn't see a similar project (fame's last words). I have a basic version of the project that gives the user a bunch of questions to answer in 10 minutes. It doesn't currently group the questions into topics, and no feedback is taken. I've also been told the graphical questions don't work on Ipads for some reason. Would this be a suitable project to go open source? I did find various quiz's out there but all seemed rather narrowly focused. I really wanted something that could cover any type of question on any type of subject. I prefer to keep the questions in MySQL but I could see how this might make it more difficult for others to get on board - should I move to data files? How do I proceed? http://www.checkmypages.com/numbers

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  • What kinds of questions are Technical Support Incidents for?

    - by nevan
    Last year I received two "Technical Support Incidents" in the iPhone developer program, but when I went to renew I found that I would lose them. I have another two for this year, but I'm not really sure about the kind of problems that can be solved by using them. What kinds of questions are the best use of these Technical Support Incidents? What is the kind of problem I can use them for? What do you receive when you use them? Thanks.

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  • I have some questions about building an AIR app for use with a connected projector.

    - by knuckfubuck
    For an app I'm working on, I'd like to have a control panel window and a video output window to use for projecting video with an attached projector. I have built many Flash applications but this will be my first time using AIR so I have some questions. Is it possible to have two seperate windows as part of one AIR application? Can one of the windows (the video output) be in full-screen mode while the other window stays normal? How does AIR do with playing local video? Will there be crashes or choppy playback? Is there a better language option for what I'm trying to accomplish?

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  • How to structure a database with questions and answers?

    - by Andreas Johannessen
    Hi I am going to make a simple application that uses a database. I could need some guidance on how to structure it. I shall make question program. What I have in mind is. One table with questions One table with the difficulity of the question One table with the category of the question However, what do I do with the answers? Have them as seperate columns in the question-table? It sounds like a bad practice.(Also, where do I have the correct answer) Each question will have 5 answers where only one of them is correct.

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  • PHP Array issue - not looping through foreach...

    - by Homer_J
    Ok, Here is the code: function fetch_questions($page) { global $link; $proc = mysqli_prepare($link, "SELECT * FROM tquestions_cwh WHERE page = ?"); mysqli_stmt_bind_param($proc, "i", $page); mysqli_stmt_execute($proc); $rows = array(); stmt_bind_assoc($proc, $rowq); // loop through all result rows while ($proc->fetch()) { // print_r($rowq); $rows[]=$rowq; } mysqli_stmt_close($proc); mysqli_clean_connection($link); return($rows); } I then add this to a php variable, like so: $qs = fetch_questions($page); I then loop through is, like so: foreach($qs as $value){ echo "<tr>".$value['qnum']." is the questions number and the question text is ".$value['qtext'].". The page and q values are ".$value['page']." and ".$value['questions']." respectively.</tr>"; The output, however is this: 8 is the questions number and the question text is I know how what I do fits into my team's objectives. The page and q values are 1 and q8 respectively.8 is the questions number and the question text is I know how what I do fits into my team's objectives. The page and q values are 1 and q8 respectively.8 is the questions number and the question text is I know how what I do fits into my team's objectives. The page and q values are 1 and q8 respectively.8 is the questions number and the question text is I know how what I do fits into my team's objectives. The page and q values are 1 and q8 respectively.8 is the questions number and the question text is I know how what I do fits into my team's objectives. The page and q values are 1 and q8 respectively.8 is the questions number and the question text is I know how what I do fits into my team's objectives. The page and q values are 1 and q8 respectively.8 is the questions number and the question text is I know how what I do fits into my team's objectives. The page and q values are 1 and q8 respectively.8 is the questions number and the question text is I know how what I do fits into my team's objectives. The page and q values are 1 and q8 respectively. Which is not what I want, for information purposes, the array using the print function looks like this: Array ( [0] => Array ( [questions] => q8 [qnum] => 8 [qtext] => I know how what I do fits into my team's objectives [page] => 1 ) [1] => Array ( [questions] => q8 [qnum] => 8 [qtext] => I know how what I do fits into my team's objectives [page] => 1 ) [2] => Array ( [questions] => q8 [qnum] => 8 [qtext] => I know how what I do fits into my team's objectives [page] => 1 ) [3] => Array ( [questions] => q8 [qnum] => 8 [qtext] => I know how what I do fits into my team's objectives [page] => 1 ) [4] => Array ( [questions] => q8 [qnum] => 8 [qtext] => I know how what I do fits into my team's objectives [page] => 1 ) [5] => Array ( [questions] => q8 [qnum] => 8 [qtext] => I know how what I do fits into my team's objectives [page] => 1 ) [6] => Array ( [questions] => q8 [qnum] => 8 [qtext] => I know how what I do fits into my team's objectives [page] => 1 ) [7] => Array ( [questions] => q8 [qnum] => 8 [qtext] => I know how what I do fits into my team's objectives [page] => 1 ) ) Clearly it's not looping through and displaying each row as it should...any advice? Homer.

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