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  • Book review (Book 6) - Wikinomics

    - by BuckWoody
    This is a continuation of the books I challenged myself to read to help my career - one a month, for year. You can read my first book review here. The book I chose for November 2011 was: Wikinomics: How Mass Collaboration Changes Everything, by Don Tapscott   Why I chose this Book: I’ve heard a lot about this book - was one of the “must read” kind of business books (many of which are very “fluffy”) and supposedly deals with collaborating using technology - so I want to see what it says about collaborative efforts and how I can leverage them. What I learned: I really disliked this book. I’ve never been a fan of the latest “business book”, and sadly that’s what this felt like to me. A “business book” is what I call a work that has a fairly simple concept to get across, and then proceeds to use various made-up terms, analogies and other mechanisms to fill hundreds of pages doing it. This perception is at my own – the book is pretty old, and these things go stale quickly. The author’s general point (at least what I took away from it) was: Open Source is good, proprietary is bad. Collaboration is the hallmark of successful companies. In my mind, you can save yourself the trouble of reading this work if you get these two concepts down. Don’t get me wrong – open source is awesome, and collaboration is a good thing, especially in places where it fits. But it’s not a panacea as the author seems to indicate. For instance, he continuously uses the example of MySpace to show a “2.0” company, which I think means that you can enter text as well as read it on a web page. All well and good. But we all know what happened to MySpace, and of course he missed the point entirely about this new web environment: low barriers to entry often mean low barriers to exit. And the open, collaborative company being the best model – well, I think we all know a certain computer company famous for phones and music that is arguably quite successful, and is probably one of the most closed, non-collaborative (at least with its customers) on the planet. So that sort of takes away that argument. The reality of business is far more complicated. Collaboration is an amazing tool, and should be leveraged heavily. However, at the end of the day, after you do your research you need to pick a strategy and stick with it. Asking thousands of people to assist you in building your product probably will not work well. Open Source is great – but some proprietary products are quite functional as well, have a long track record, are well supported, and will probably be upgraded. Everything has its place, so use what works where it is needed. There is no single answer, sadly. So did I waste my time reading the book? Did I make a bad choice? Not at all! Reading the opinions and thoughts of others is almost always useful, and it’s important to consider opinions other than your own. If nothing else, thinking through the process either convinces you that you are wrong, or helps you understand better why you are right.

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  • Tech Ed/BI Conference 2010: A Recovering Industry in a Recovering City

    - by andrewbrust
    I tried writing a post for this blog last night, while at the this year’s Microsoft Tech Ed and Business Intelligence conferences, in New Orleans. But I literally fell asleep while writing it.  That’s probably a sign that my readers might have done the same while reading it. Why the writer’s block? This was a very good show for me, but I think I was having trouble figuring out exactly why.  Now that I’m on the flight home, I’m starting to piece it together. One reason, for sure, was that I’ve spent years in both the developer and the BI worlds, and a show that combined the two was really enjoyable for me.  Typically, the subject matter, the attendees, the Microsoft execs and managers, and even the social circles have been separate.  This year’s Tech Ed facilitated a fusion of each of these previously segregated groups.  That was good for me as a speaker; for example, I facilitated a Birds of a Feather session on PowerPivot (Microsoft’s new self-service BI offering) which was well-attended, and by a large number of non-BI pros.  The fusion was good for me as an attendee too, as Microsoft BI, in the form of a new Pivot Viewer control, made it into the Day 1 keynote, demoed by Microsoft’s key BI champion, Amir Netz.  And it was good for me socially, as I was able to meet with peers in both camps, and at one location. Speaking of meeting with industry colleagues, I did a lot of that at this show.  Probably for the first time ever, I carefully scheduled and conducted a series of meetings with friends and business acquaintances in the developer tools, data visualization, utilities, publishing and training areas of the Microsoft ecosystem.  Beside the time efficiencies in conducting so many meetings, I discovered another benefit. I got a real handle on the tech industry’s economic health. The news here is good.  First of all, 2010 has been a great year for just about everyone I spoke to.  The mood is positive, energy is high, and people are working really hard.  This is, of course, refreshing to see, and it’s a huge relief.  Add to that the fact that this year’s Tech Ed was about 2.5 times larger in headcount than last year’s (based on numbers from unofficial, but reliable, sources), and the economic prognosis seems excellent.  But there’s more to it than that. Here’s the thing: everyone I talked to seems to be working, and succeeding, at changing their business models to adapt to changes in the industry.  Whether it’s the Internet’s impact on publishing and training, the increased importance of the developer audience in South Asia, the shift of affordable developer and business talent to unfamiliar locales abroad, or even lapses in Microsoft’s performance in the market, partner companies aren’t just rolling with the punches; they’re welcoming the changes and working them to their advantage.  No one seemed downtrodden, or even fatigued.  Even for businesses who have seen core revenue streams become commoditized, everyone seems to be changing their market strategy and winning.  Even Microsoft, of whom I have been critical recently, showed signs of successful hard work and playbook change, in the maturing of their cloud strategy, their commitment to it and their excitement around it.  And the embedded, managed, self-service BI strategy that Microsoft has been touting looks like it’s already being embraced by customers, even though PowerPivot, and other new Microsoft BI products, were released only recently. The collective optimism I have witnessed, and that I have felt, tells me good things about this industry and the economy.  The stock market had huge mood swings during my stay, and that may yet subdue the industry recovery I have seen this week.  Nonetheless, I am convinced that a strong foundation of hard work, innovative thinking and, if I may,  true renaissance is underlying this industry’s success. That kind of strength will generate a strong recovery, I am certain, whether now or once we’re past another round of choppy weather in the broader economy.  The fundamentals are good.

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  • Who owns the IP rights of the software without written employment contract? Employer or employee? [closed]

    - by P T
    I am a software engineer who got an idea, and developed alone an integrated ERP software solution over the past 2 years. I got the idea and coded much of the software in my personal time, utilizing my own resources, but also as intern/employee at small wholesale retailer (company A). I had a verbal agreement with the company that I could keep the IP rights to the code and the company would have the "shop rights" to use "a copy" of the software without restrictions. Part of this agreement was that I was heavily underpaid to keep the rights. Recently things started to take a down turn in the company A as the company grew fairly large and new head management was formed, also new partners were brought in. The original owners distanced themselves from the business, and the new "greedy" group indicated that they want to claim the IP rights to my software, offering me a contract that would split the IP ownership into 50% co-ownership, completely disregarding the initial verbal agreements. As of now there was no single written job description and agreement/contract/policy that I signed with the company A, I signed only I-9 and W-4 forms. I now have an opportunity to leave the company A and form a new business with 2 partners (Company B), obviously using the software as the primary tool. There would be no direct conflict of interest as the company A sells wholesale goods. My core question is: "Who owns the code without contract? Me or the company A? (in FL, US)" Detailed questions: I am familiar with the "shop rights", I don't have any problem leaving a copy of the code in the company for them to use/enhance to run their wholesale business. What worries me, Can the company A make any legal claims to the software/code/IP and potential derived profits/interests after I leave and form a company B? Can applying for a copyright of the code at http://www.copyright.gov in my name prevent any legal disputes in the future? Can I use it as evidence for legal defense? Could adding a note specifying the company A as exclusive license holder clarify the arrangements? If I leave and the company A sues me, what evidence would they use against me? On what basis would the sue since their business is in completely different industry than software (wholesale goods). Every single source file was created/stored on my personal computer with proper documentation including a copyright notice with my credentials (name/email/addres/phone). It's also worth noting that I develop significant part of the software prior to my involvement with the company A as student. If I am forced to sign a contract and the company A doesn't honor the verbal agreement, making claims towards the ownership, what can I do settle the matter legally? I like to avoid legal process altogether as my budget for court battles is extremely limited at the moment. Would altering the code beyond recognition and using it for the company B prevent the company A make any copyright claims? My common sense tells me that what I developed is by default mine in terms of IP, unless there is a signed legal agreement stating otherwise. But looking online it may be completely backwards, this really worries me. I understand that this is not legal advice, and I know to get the ultimate answer I need to hire a lawyer. I am only hoping to get some valuable input/experience/advice/opinion from those who were in similar situation or are familiar with the topic. Thank you, PT

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  • Perm SSIS Developer Urgently Required

    - by blakmk
      Job Role To provide dedicated data services support to the company, by designing, creating, maintaining and enhancing database objects, ensuring data quality, consistency and integrity. Migrating data from various sources to central SQL 2008 data warehouse will be the primary function. Migration of data from bespoke legacy database’s to SQL 2008 data warehouse. Understand key business requirements, Liaising with various aspects of the company. Create advanced transformations of data, with focus on data cleansing, redundant data and duplication. Creating complex business rules regarding data services, migration, Integrity and support (Best Practices). Experience ·         Minimum 3 year SSIS experience, in a project or BI Development role and involvement in at least 3 full ETL project life cycles, using the following methodologies and tools o    Excellent knowledge of ETL concepts including data migration & integrity, focusing on SSIS. o    Extensive experience with SQL 2005 products, SQL 2008 desirable. o    Working knowledge of SSRS and its integration with other BI products. o    Extensive knowledge of T-SQL, stored procedures, triggers (Table/Database), views, functions in particular coding and querying. o    Data cleansing and harmonisation. o    Understanding and knowledge of indexes, statistics and table structure. o    SQL Agent – Scheduling jobs, optimisation, multiple jobs, DTS. o    Troubleshoot, diagnose and tune database and physical server performance. o    Knowledge and understanding of locking, blocks, table and index design and SQL configuration. ·         Demonstrable ability to understand and analyse business processes. ·         Experience in creating business rules on best practices for data services. ·         Experience in working with, supporting and troubleshooting MS SQL servers running enterprise applications ·         Proven ability to work well within a team and liaise with other technical support staff such as networking administrators, system administrators and support engineers. ·         Ability to create formal documentation, work procedures, and service level agreements. ·         Ability to communicate technical issues at all levels including to a non technical audience. ·         Good working knowledge of MS Word, Excel, PowerPoint, Visio and Project.   Location Based in Crawley with possibility of some remote working Contact me for more info: http://sqlblogcasts.com/blogs/blakmk/contact.aspx      

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  • The battle between Java vs. C#

    The battle between Java vs. C# has been a big debate amongst the development community over the last few years. Both languages have specific pros and cons based on the needs of a particular project. In general both languages utilize a similar coding syntax that is based on C++, and offer developers similar functionality. This being said, the communities supporting each of these languages are very different. The divide amongst the communities is much like the political divide in America, where the Java community would represent the Democrats and the .Net community would represent the Republicans. The Democratic Party is a proponent of the working class and the general population. Currently, Java is deeply entrenched in the open source community that is distributed freely to anyone who has an interest in using it. Open source communities rely on developers to keep it alive by constantly contributing code to make applications better; essentially they develop code by the community. This is in stark contrast to the C# community that is typically a pay to play community meaning that you must pay for code that you want to use because it is developed as products to be marketed and sold for a profit. This ties back into my reference to the Republicans because they typically represent the needs of business and personal responsibility. This is emphasized by the belief that code is a commodity and that it can be sold for a profit which is in direct conflict to the laissez-faire beliefs of the open source community. Beyond the general differences between Java and C#, they also target two different environments. Java is developed to be environment independent and only requires that users have a Java virtual machine running in order for the java code to execute. C# on the other hand typically targets any system running a windows operating system and has the appropriate version of the .Net Framework installed. However, recently there has been push by a segment of the Open source community based around the Mono project that lets C# code run on other non-windows operating systems. In addition, another feature of C# is that it compiles into an intermediate language, and this is what is executed when the program runs. Because C# is reduced down to an intermediate language called Common Language Runtime (CLR) it can be combined with other languages that are also compiled in to the CLR like Visual Basic (VB) .Net, and F#. The allowance and interaction between multiple languages in the .Net Framework enables projects to utilize existing code bases regardless of the actual syntax because they can be compiled in to CLR and executed as one codebase. As a software engineer I personally feel that it is really important to learn as many languages as you can or at least be open to learn as many languages as you can because no one language will work in every situation.  In some cases Java may be a better choice for a project and others may be C#. It really depends on the requirements of a project and the time constraints. In addition, I feel that is really important to concentrate on understanding the logic of programming and be able to translate business requirements into technical requirements. If you can understand both programming logic and business requirements then deciding which language to use is just basically choosing what syntax to write for a given business problem or need. In regards to code refactoring and dynamic languages it really does not matter. Eventually all projects will be refactored or decommissioned to allow for progress. This is the way of life in the software development industry. The language of a project should not be chosen based on the fact that a project will eventually be refactored because they all will get refactored.

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  • Should I manage authentication on my own if the alternative is very low in usability and I am already managing roles?

    - by rumtscho
    As a small in-house dev department, we only have experience with developing applications for our intranet. We use the existing Active Directory for user account management. It contains the accounts of all company employees and many (but not all) of the business partners we have a cooperation with. Now, the top management wants a technology exchange application, and I am the lead dev on the new project. Basically, it is a database containing our know-how, with a web frontend. Our employees, our cooperating business partners, and people who wish to become our cooperating business partners should have access to it and see what technologies we have, so they can trade for them with the department which owns them. The technologies are not patented, but very valuable to competitors, so the department bosses are paranoid about somebody unauthorized gaining access to their technology description. This constraint necessitates a nightmarishly complicated multi-dimensional RBAC-hybrid model. As the Active Directory doesn't even contain all the information needed to infer the roles I use, I will have to manage roles plus per-technology per-user granted access exceptions within my system. The current plan is to use Active Directory for authentication. This will result in a multi-hour registration process for our business partners where the database owner has to manually create logins in our Active Directory and send them credentials. If I manage the logins in my own system, we could improve the usability a lot, for example by letting people have an active (but unprivileged) account as soon as they register. It seems to me that, after I am having a users table in the DB anyway (and managing ugly details like storing historical user IDs so that recycled user IDs within the Active Directory don't unexpectedly get rights to view someone's technologies), the additional complexity from implementing authentication functionality will be minimal. Therefore, I am starting to lean towards doing my own user login management and forgetting the AD altogether. On the other hand, I see some reasons to stay with Active Directory. First, the conventional wisdom I have heard from experienced programmers is to not do your own user management if you can avoid it. Second, we have code I can reuse for connection to the active directory, while I would have to code the authentication if done in-system (and my boss has clearly stated that getting the project delivered on time has much higher priority than delivering a system with high usability). Third, I am not a very experienced developer (this is my first lead position) and have never done user management before, so I am afraid that I am overlooking some important reasons to use the AD, or that I am underestimating the amount of work left to do my own authentication. I would like to know if there are more reasons to go with the AD authentication mechanism. Specifically, if I want to do my own authentication, what would I have to implement besides a secure connection for the login screen (which I would need anyway even if I am only transporting the pw to the AD), lookup of a password hash and a mechanism for password recovery (which will probably include manual identity verification, so no need for complex mTAN-like solutions)? And, if you have experience with such security-critical systems, which one would you use and why?

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  • How can I best implement 'cache until further notice' with memcache in multiple tiers?

    - by ajreal
    the term "client" used here is not referring to client's browser, but client server Before cache workflow 1. client make a HTTP request --> 2. server process --> 3. store parsed results into memcache for next use (cache indefinitely) --> 4. return results to client --> 5. client get the result, store into client's local memcache with TTL After cache workflow 1. another client make a HTTP request --> 2. memcache found return memcache results to client --> 3. client get the result, store into client's local memcache with TTL TTL = time to live Is possible for me to know when the data was updated, and to expire relevant memcache(s) accordingly. However, the pitfalls on client site cache TTL Any data update before the TTL is not pick-up by client memcache. In reverse manner, where there is no update, client memcache still expire after the TTL First request (or concurrent requests) after cache TTL will get throttle as it need to repeat the "Before cache workflow" In the event where client require several HTTP requests on a single web page, it could be very bad in performance. Ideal solution should be client to cache indefinitely until further notice. Here are the three proposals about futher notice Proposal 1 : Make use on HTTP header (current implementation) 1. client sent HTTP request last modified time header 2. server check if last data modified time=last cache time return status 304 3. client based on header to decide further processing GOOD? ---- - save some parsing for client - lesser data transfer BAD? ---- - fire a HTTP request is still slow - server end still need to process lots of requests Proposal 2 : Consistently issue a HTTP request to check all data group last modified time 1. client fire a HTTP request 2. server to return last modified time for all data group 3. client compare local last cache time with the result 4. if data group last cache time < server last modified time then request again for that data group only GOOD? ---- - only fetch what is no up-to-date - less requests for server BAD? ---- - every web page require a HTTP request Proposal 3 : Tell client when new data is available (Push) 1. when server end notice there is a change on a data group 2. notify clients on the changes 3. help clients to fetch again data 4. then reset client local memcache after data is parsed GOOD? ---- - let the cache act/behave like a true cache BAD? ---- - encourage race condition My preference is on proposal 3, and something like Gearman could be ideal Where there is a change, Gearman server to sent the task to multiple clients (workers). Am I crazy? (I know my first question is a bit crazy)

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  • Cloud – the forecast is improving

    - by Rob Farley
    There is a lot of discussion about “the cloud”, and how that affects people’s data stories. Today the discussion enters the realm of T-SQL Tuesday, hosted this month by Jorge Segarra. Over the years, companies have invested a lot in making sure that their data is good, and I mean every aspect of it – the quality of it, the security of it, the performance of it, and more. Experts such as those of us at LobsterPot Solutions have helped these companies with this, and continue to work with clients to make sure that data is a strong part of their business, not an oversight. Whether business intelligence systems are being utilised or not, every business needs to be able to rely on its data, and have the confidence in it. Data should be a foundation upon which a business is built. In the past, data had been stored in paper-based systems. Filing cabinets stored vital information. Today, people have server rooms with storage of various kinds, recognising that filing cabinets don’t necessarily scale particularly well. It’s easy to ‘lose’ data in a filing cabinet, when you have people who need to make sure that the sheets of paper are in the right spot, and that you know how things are stored. Databases help solve that problem, but still the idea of a large filing cabinet continues, it just doesn’t involve paper. If something happens to the physical ‘filing cabinet’, then the problems are larger still. Then the data itself is under threat. Many clients have generators in case the power goes out, redundant cables in case the connectivity dies, and spare servers in other buildings just in case they’re required. But still they’re maintaining filing cabinets. You see, people like filing cabinets. There’s something to be said for having your data ‘close’. Even if the data is not in readable form, living as bits on a disk somewhere, the idea that its home is ‘in the building’ is comforting to many people. They simply don’t want to move their data anywhere else. The cloud offers an alternative to this, and the human element is an obstacle. By leveraging the cloud, companies can have someone else look after their filing cabinet. A lot of people really don’t like the idea of this, partly because the administrators of the data, those people who could potentially log in with escalated rights and see more than they should be allowed to, who need to be trusted to respond if there’s a problem, are now a faceless entity in the cloud. But this doesn’t mean that the cloud is bad – this is simply a concern that some people may have. In new functionality that’s on its way, we see other hybrid mechanisms that mean that people can leverage parts of the cloud with less fear. Companies can use cloud storage to hold their backup data, for example, backups that have been encrypted and are therefore not able to be read by anyone (including administrators) who don’t have the right password. Companies can have a database instance that runs locally, but which has its data files in the cloud, complete with Transparent Data Encryption if needed. There can be a higher level of control, making the change easier to accept. Hybrid options allow people who have had fears (potentially very justifiable) to take a new look at the cloud, and to start embracing some of the benefits of the cloud (such as letting someone else take care of storage, high availability, and more) without losing the feeling of the data being close. @rob_farley

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  • Building Enterprise Smartphone App &ndash; Part 1: Why Build Smart Phone Apps

    - by Tim Murphy
    This is part 1 in a series of post based on a talk I gave recently at the Chicago Information Technology Architects Group.  Feel free to leave feedback. Intro Most of us already carry smartphones. We play games on them. We keep up with what is going on with our friends and our favorite teams. We take pictures of our kids at their events. But the question is if that is all they are good for. Many companies have aspects of their business that lend themselves to being performed by mobile devices. Some of them lean toward larger device such as tablets, but many can be executed on smartphones. This and the following articles will discuss some of the possible applications of smartphone technology for businesses, the platforms that are available and the considerations you need to make when building them. I'll take a look at some specific scenarios and wrap up with a couple of capabilities that are just emerging that can be used in the future. Why Build Enterprise Smartphone Applications So what are some of the ways that you can leverage smartphone technology to gain efficiency in your business or a clients business. There are a few major areas that I have seen mobile platforms being an advantage to. Your mobile sales force is a key candidate for leveraging smartphone apps.  They can visit clients in their retail location and place orders on site. It is a more personal approach which can gain you customer loyalty.  A sales person may also gather information about the way a client does business or who their target market is. This allows them you to focus marketing information or build customized support for your customer. You may also have need to track physical inventory in a store. This is something that has historically been done with laser scanners, but with the camera capabilities in today's phones and tablets it is possible to use more general multi-purpose devices.  This can save costs on both hardware and telecommunication contracts. Delivery verification is another area that historically has been the domain of specialized devices but can now be accomplished with smartphones.  This also reduces costs because it is also used for communicating with the driver and other operations.  Add to that the navigation capability of smartphones and you can see how the return on investment increases. Executives are always on the go. They spend most of their time in meetings and yet they need access to decision making information at their finger tips. With a smartphone app they can get alerts when major sales are closed or critical accounting process are completed that may need their attention. They can also answer questions by instantly pulling up BI reports. I have often heard operations support people say that they need things like VPN and RDP from their phones. If they can also have notifications of outages or critical support requests they can be react to situations without needing to be tied to their desks. These are all valid reasons to need smartphone applications.  In the next installment I will discuss platforms and features. del.icio.us Tags: Smartphones,Enterprise Smartphone Apps,Architecture

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  • Negative ItemCount in SharePoint Document Library

    - by ccomet
    What can be done about negative numbers in library item counts? ItemCount is a read-only property, what are you supposed to do when it is drastically incorrect? Earlier last week, I was doing some testing involving the copying and moving of files and folders from one document library to another. I was transfering the items from our actual document library to a sandbox "Test" library that I used to run all sorts of object model and workflow testing in before migrating to the public lists and libraries. I noticed that with files, things worked correctly, but when I copied a folder that had a file inside it (using SPFolder.CopyTo()), the item count for the test library did not actually update. Since this testing was mostly playing around, I paid it little heed. Today I was back in the test library to test a different workflow (regarding PDF conversion). While I was there, I decided to delete the folder I left last week since I didn't need it anymore. And that's when I saw the item count for the list drop to -1 in the All Site Content View. When I deleted the new PDF I had just uploaded, it then dropped to -2! I even checked with the object model... getting an instance of the library I checked the ItemCount property... lo and behold it was also -2. Is there any process which runs in the background, kinda like the one that cleans up workflow history, which will correct this kind of issue? Or is a programmer expected to keep watch for this kind of situation and come up with calculations to compensate the "count penalty", as it were?

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  • Python, unit test - Pass command line arguments to setUp of unittest.TestCase

    - by sberry2A
    I have a script that acts as a wrapper for some unit tests written using the Python unittest module. In addition to cleaning up some files, creating an output stream and generating some code, it loads test cases into a suite using unittest.TestLoader().loadTestsFromTestCase() I am already using optparse to pull out several command-line arguments used for determining the output location, whether to regenerate code and whether to do some clean up. I also want to pass a configuration variable, namely an endpoint URI, for use within the test cases. I realize I can add an OptionParser to the setUp method of the TestCase, but I want to instead pass the option to setUp. Is this possible using loadTestsFromTestCase()? I can iterate over the returned TestSuite's TestCases, but can I manually call setUp on the TestCases? ** EDIT ** I wanted to point out that I am able to pass the arguments to setUp if I iterate over the tests and call setUp manually like: (options, args) = op.parse_args() suite = unittest.TestLoader().loadTestsFromTestCase(MyTests.TestSOAPFunctions) for test in suite: test.setUp(options.soap_uri) However, I am using xmlrunner for this and its run method takes a TestSuite as an argument. I assume it will run the setUp method itself, so I would need the parameters available within the XMLTestRunner. I hope this makes sense.

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  • Failed to set the initialPlaybackTime for a MPMoviePlayerController when recreating it in the second

    - by vicky
    Hi, everyone. It's really wired. When at the first time a MPMoviePlayerController (e.g., theMovie) is created, its initialPlaybackTime can be set successfully. But when theMoive is released and re-create a new MPMoviePlayerController, its intialPlaybackTime can not be set correctly, actually the movie always plays from the start. The code is as follows. -(void)initAndPlayMovie:(NSURL *)movieURL { MPMoviePlayerController *theMovie = [[MPMoviePlayerController alloc] initWithContentURL:movieURL]; // create a notification for moviePlaybackFinish [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(moviePlayBackDidFinish:) name:MPMoviePlayerPlaybackDidFinishNotification object:theMovie]; theMovie.initialPlaybackTime = 15; [theMovie setScalingMode:MPMovieScalingModeAspectFill]; [theMovie play];} -(void) moviePlayBackDidFinish:(NSNotification*)notification { MPMoviePlayerController * theMovie = [notification object]; [[NSNotificationCenter defaultCenter] removeObserver:self name:MPMoviePlayerPlaybackDidFinishNotification object:theMovie]; [theMovie release]; [self initAndPlayMovie:[self getMovieURL]]; } With the above code, when the viewcontroller did load and run initAndPlayMovie, the movie starts to play from 15 seconds, but when it plays finished or "Done" is pushed, a new theMovie is created and starts to play from 0 second. Does anybody know what happened with the initialPlaybackTime property of MPMoviePlayerController? And whenever you reload the viewController where the above code is (presentModalViewController from a parent viewcontroller), the movie can start from any playback time. I am really confused what's the difference of the MPMoviePlayerController registration methods between the viewcontroller load and the recreating it after release. Need your help! Thank you!

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  • Guidelines for using Merge task in SSIS

    - by thursdaysgeek
    I have a table with three fields, one an identity field, and I need to add some new records from a source that has the other two fields. I'm using SSIS, and I think I should use the merge tool, because one of the sources is not in the local database. But, I'm confused by the merge tool and the proper process. I have my one source (an Oracle table), and I get two fields, well_id and well_name, with a sort after, sorting by well_id. I have the destination table (sql server), and I'm also using that as a source. It has three fields: well_key (identity field), well_id, and well_name, and I then have a sort task, sorting on well_id. Both of those are input to my merge task. I was going to output to a temporary table, and then somehow get the new records back into the sql server table. Oracle Well SQL Well | | V V Sort Source Sort Well | | -------> Merge* <----------- | V Temp well table I suspect this isn't the best way to use this tool, however. What are the proper steps for a merge like this? One of my reasons for questioning this method is that my merge has an error, telling me that the "Merge Input 2" must be sorted, but its source is a sort task, so it IS sorted. Example data SQL Well (before merge) well_key well_id well_name 1 123 well k 2 292 well c 3 344 well t 5 439 well d Oracle Well well_id well_name 123 well k 292 well c 311 well y 344 well t 439 well d 532 well j SQL Well (after merge) well_key well_id well_name 1 123 well k 2 292 well c 3 344 well t 5 439 well d 6 311 well y 7 532 well j Would it be better to load my Oracle Well to a temporary local file, and then just use a sql insert statment on it?

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  • Repository pattern with lazying loading using POCO

    - by Simon G
    Hi, I'm in the process of starting a new project and creating the business objects and data access etc. I'm just using plain old clr objects rather than any orms. I've created two class libraries: 1) Business Objects - holds all my business objects, all this objects are light weight with only properties and business rules. 2) Repository - this is for all my data access. The majority of my objects will have child list in and my question is what is the best way to lazy load these values as I don't want to bring back unnecessary information if I dont need to. I've thought about when using the "get" on the child property to check if its "null" and if it is call my repository to get the child information. This has two problems from what I can see: 1) The object "knows" how to get itself I would rather no data access logic be held in the object. 2) This required both classes to reference each other which in visual studio throws a circular dependency error. Does anyone have any suggestions on how to overcome this issue or any recommendations on my projects layout and where it can be improved? Thanks

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  • How to disable Power off/Power on sound on Android phone? [closed]

    - by yvolk
    My Android phone (Android v.2.1) produces loud sound both before Power off and after Power on (boot) is being completed. I don't want to turn the sound off before reboot/powering it off and to turn sound on after reboot every time I'm restarting my phone. I just want to get rid of these sounds forever :-) How can I do this (maybe executing some script, changing some properties... preferably without rooting my phone)? Update: Thank you Christopher Orr! I've also found some information that partially allows to achieve what I'm looking for (on androidforums.com): "if you are going into SettingsSound & displayNotification ringtone that sets your notification tone for app updates, power on (rebooting) etc. If you want to change notification for messages you would have to go into messaging and then hit the menu key for notification option. You can do the same for email accounts as well." So I disabled Power on/off sounds (plus something else... but I didn't notice undesired side effect yet...) with built-in settings.

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  • Poco SocketReactors for a Proxy Server

    - by Genesis
    Can anyone give me some idea of the best way to implement a non-blocking proxy server using a Poco Socket Reactor? Currently I have a blocking implementation where if a readable notification arrives from the client I am writing what is read directly to the server, and if a readable notification arrives from the server I am writing what is read directly to the client. To achieve this I keep the thread that initiated the server connection alive but I would prefer to switch to non-blocking and have any threads which are used to initiate a connection removed once the server and client sockets are registered with the reactor and the SOCKS5 handshake is over. With a SocketReactor one can register event handlers for a single socket but the trouble is I would need to store whatever is read from that socket in a global buffer until the corresponding server socket is ready to be written to as from my testing I dont seem to be able to just write directly to the server when client data arrives. I am thinking of using a struct that contains the client socket, server socket, client buffer and server buffer and whenever a writable notification comes along for either the client or server, finding the corresponding buffer and writing this. Any thoughts?

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  • JSON and Microformats

    - by Tauren
    I'm looking for opinions on whether microformats should be used to name JSON elements. For instance, there is a microformat for physical addresses, that looks like this: <div class="adr"> <div class="street-address">665 3rd St.</div> <div class="extended-address">Suite 207</div> <span class="locality">San Francisco</span>, <span class="region">CA</span> <span class="postal-code">94107</span> <div class="country-name">U.S.A.</div> </div> There is a document available on using JSON and Microformats. The information above could be represented as JSON data like this: "adr": { "street-address":"665 3rd St.", "extended-address":"Suite 207", "locality":"San Fransicso", "region":"CA", "postal-code":"94107", "country-name":"U.S.A." }, The issue I have with this is that I'd like my JSON data to be as lightweight as possible, but still human readable. While still supporting international addresses, I would prefer something like this: "address": { "street":"665 3rd St.", "extended":"Suite 207", "locality":"San Fransicso", "region":"CA", "code":"94107", "country":"U.S.A." }, If I'm designing a new JSON API right now, does it make sense to use microformats from the start? Or should I not really worry about it? Is there some other standard that is more specific to JSON that I should look at?

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  • jQuery "Autcomplete" plugin is messing up the order of my data

    - by Max Williams
    I'm using Jorn Zaefferer's Autocomplete plugin on a couple of different pages. In both instances, the order of displayed strings is a little bit messed up. Example 1: array of strings: basically they are in alphabetical order except for General Knowledge which has been pushed to the top: General Knowledge,Art and Design,Business Studies,Citizenship,Design and Technology,English,Geography,History,ICT,Mathematics,MFL French,MFL German,MFL Spanish,Music,Physical Education,PSHE,Religious Education,Science,Something Else Displayed strings: General Knowledge,Geography,Art and Design,Business Studies,Citizenship,Design and Technology,English,History,ICT,Mathematics,MFL French,MFL German,MFL Spanish,Music,Physical Education,PSHE,Religious Education,Science,Something Else Note that Geography has been pushed to be the second item, after General Knowledge. The rest are all fine. Example 2: array of strings: as above but with Cross-curricular instead of General Knowledge. Cross-curricular,Art and Design,Business Studies,Citizenship,Design and Technology,English,Geography,History,ICT,Mathematics,MFL French,MFL German,MFL Spanish,Music,Physical Education,PSHE,Religious Education,Science,Something Else Displayed strings: Cross-curricular,Citizenship,Art and Design,Business Studies,Design and Technology,English,Geography,History,ICT,Mathematics,MFL French,MFL German,MFL Spanish,Music,Physical Education,PSHE,Religious Education,Science,Something Else Here, Citizenship has been pushed to the number 2 position. I've experimented a little, and it seems like there's a bug saying "put things that start with the same letter as the first item after the first item and leave the rest alone". Kind of mystifying. I've tried a bit of debugging by triggering alerts inside the autocomplete plugin code but everywhere i can see, it's using the correct order. it seems to be just when its rendered out that it goes wrong. Any ideas anyone? max

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  • Menu items messed up while using MacVim with Vim Latex

    - by sixtyfootersdude
    I just installed macvim yesterday and I have been trying to install vim latex today. The one thing I am confused about is the menu items on the top bar: ------------------------------------------------------------------------------- <apple icon> File Edit Tools Syntax TeX-Suite TeX-Environments TeX-Elements ------------------------------------------------------------------------------- | Packages > |_____ | Templates > | 1: | | Macros > | 2: | |----------- | 3: | | Compile | 4: | | View |----- | ... | ------------- So in words if you go TeX-Suite -> Templates there is a sub menu with menu items: 1: 2: 3: 4:. Now I know that these templates live here: % pwd /Users/me/.vim/ftplugin/latex-suite/templates % ls IEEEtran.tex article.tex report.tex report_two_column.tex and they are named correctly. Also I know that the :TTemplate vim command should do the same thing. When I type that I get this result: Choose a template file: (1) IEEEtran (2) article (3) report (4) report_two_column Enter number or name of file : So I am thinking that this must be a bug in MacVim. Is this a reasonable assumption? Any fixes?

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  • How do I get syncdb db_table and app_label to play nicely together

    - by Chris Heisel
    I've got a model that looks something like this: class HeiselFoo(models.Model): title = models.CharField(max_length=250) class Meta: """ Meta """ app_label = "Foos" db_table = u"medley_heiselfoo_heiselfoo" And whenever I run my test suite, I get an error because Django isn't creating the tables for that model. It appears to be an interaction between app_label and db_table -- as the test suite runs normally if db_table is set, but app_label isn't. Here's a link to the full source code: http://github.com/cmheisel/heiselfoo Here's the traceback from the test suite: E ====================================================================== ERROR: test_truth (heiselfoo.tests.HeiselFooTests) ---------------------------------------------------------------------- Traceback (most recent call last): File "/Users/chris/Code/heiselfoo/ve/lib/python2.6/site-packages/heiselfoo/tests.py", line 10, in test_truth f.save() File "/Users/chris/Code/heiselfoo/ve/lib/python2.6/site-packages/django/db/models/base.py", line 434, in save self.save_base(using=using, force_insert=force_insert, force_update=force_update) File "/Users/chris/Code/heiselfoo/ve/lib/python2.6/site-packages/django/db/models/base.py", line 527, in save_base result = manager._insert(values, return_id=update_pk, using=using) File "/Users/chris/Code/heiselfoo/ve/lib/python2.6/site-packages/django/db/models/manager.py", line 195, in _insert return insert_query(self.model, values, **kwargs) File "/Users/chris/Code/heiselfoo/ve/lib/python2.6/site-packages/django/db/models/query.py", line 1479, in insert_query return query.get_compiler(using=using).execute_sql(return_id) File "/Users/chris/Code/heiselfoo/ve/lib/python2.6/site-packages/django/db/models/sql/compiler.py", line 783, in execute_sql cursor = super(SQLInsertCompiler, self).execute_sql(None) File "/Users/chris/Code/heiselfoo/ve/lib/python2.6/site-packages/django/db/models/sql/compiler.py", line 727, in execute_sql cursor.execute(sql, params) File "/Users/chris/Code/heiselfoo/ve/lib/python2.6/site-packages/django/db/backends/sqlite3/base.py", line 200, in execute return Database.Cursor.execute(self, query, params) DatabaseError: no such table: medley_heiselfoo_heiselfoo ---------------------------------------------------------------------- Ran 1 test in 0.004s FAILED (errors=1) Creating test database 'default'... No fixtures found. medley_heiselfoo_heiselfoo Destroying test database 'default'...

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  • Hibernate : Opinions in Composite PK vs Surrogate PK

    - by Albert Kam
    As i understand it, whenever i use @Id and @GeneratedValue on a Long field inside JPA/Hibernate entity, i'm actually using a surrogate key, and i think this is a very nice way to define a primary key considering my not-so-good experiences in using composite primary keys, where : there are more than 1 business-value-columns combination that become a unique PK the composite pk values get duplicated across the table details cannot change the business value inside that composite PK I know hibernate can support both types of PK, but im left wondering by my previous chats with experienced colleagues where they said that composite PK is easier to deal with when doing complex SQL queries and stored procedure processes. They went on saying that when using surrogate keys will complicate things when doing joining and there are several condition when it's impossible to do some stuffs when using surrogate keys. Although im sorry i cant explain the detail here since i was not clear enough when they explain it. Maybe i'll put more details next time. Im currently trying to do a project, and want to try out surrogate keys, since it's not getting duplicated across tables, and we can change the business-column values. And when the need for some business value combination uniqueness, i can use something like : @Table(name="MY_TABLE", uniqueConstraints={ @UniqueConstraint(columnNames={"FIRST_NAME", "LAST_NAME"}) // name + lastName combination must be unique But im still in doubt because of the previous discussion about the composite key. Could you share your experiences in this matter ? Thank you !

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  • jquery toggle and fade in one function?

    - by tony noriega
    I was wondering if toggle() and fadeIn() could be used in one function... i got this to work, but it only fades in after the second click... not on first click of the toggle. $(document).ready(function() { $('#business-blue').hide(); $('a#biz-blue').click(function() { $('#business-blue').toggle().fadeIn('slow'); return false; }); // hides the slickbox on clicking the noted link $('a#biz-blue-hide').click(function() { $('#business-blue').hide('fast'); return false; }); }); <a href="#" id="biz-blue">Learn More</a> <div id="business-blue" style="border:1px soild #00ff00; background:#c6c1b8; height:600px; width:600px; margin:0 auto; position:relative;"> <p>stuff here</p> </div>

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  • Unit Testing in the real world

    - by Malfist
    I manage a rather large application (50k+ lines of code) by myself, and it manages some rather critical business actions. To describe the program simple, I would say it's a fancy UI with the ability to display and change data from the database, and it's managing around 1,000 rental units, and about 3k tenants and all the finances. When I make changes, because it's so large of a code base, I sometimes break something somewhere else. I typically test it by going though the stuff I changed at the functional level (i.e. I run the program and work through the UI), but I can't test for every situation. That is why I want to get started with unit testing. However, this isn't a true, three tier program with a database tier, a business tier, and a UI tier. A lot of the business logic is performed in the UI classes, and many things are done on events. To complicate things, everything is database driven, and I've not seen (so far) good suggestions on how to unit test database interactions. How would be a good way to get started with unit testing for this application. Keep in mind. I've never done unit testing or TDD before. Should I rewrite it to remove the business logic from the UI classes (a lot of work)? Or is there a better way?

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  • Blocking on DBCP connection pool (open and close connnection). Is database connection pooling in OpenEJB pluggable?

    - by topchef
    We use OpenEJB on Tomcat (used to run on JBoss, Weblogic, etc.). While running load tests we experience significant performance problems with handling JMS messages (queues). Problem was localized to blocking on database connection pool getting or releasing connection to the pool. Blocking prevented concurrent MDB instances (threads) from running hence performance suffered 10-fold and worse. The same code used to run on application servers (with their respective connection pool implementations) with no blocking at all. Example of thread blocked: Name: JMS Resource Adapter-worker-23 State: BLOCKED on org.apache.commons.pool.impl.GenericObjectPool@1ea6b4a owned by: JMS Resource Adapter-worker-19 Total blocked: 18,426 Total waited: 0 Stack trace: org.apache.commons.pool.impl.GenericObjectPool.returnObject(GenericObjectPool.java:916) org.apache.commons.dbcp.PoolableConnection.close(PoolableConnection.java:91) - locked org.apache.commons.dbcp.PoolableConnection@1bcba8 org.apache.commons.dbcp.managed.ManagedConnection.close(ManagedConnection.java:147) com.xxxxx.persistence.DbHelper.closeConnection(DbHelper.java:290) .... Couple of questions. I am almost certain that some transactional attributes and properties contribute to this blocking, but MDBs are defined as non-transactional (we use both annotations and ejb-jar.xml). Some EJBs do use container-managed transactions though (and we can observe blocking there as well). Are there any DBCP configurations that may fix blocking? Is DBCP connection pool implementation replaceable in OpenEJB? How easy (difficult) to replace it with another library? Just in case this is how we define data source in OpenEJB (openejb.xml): <Resource id="MyDataSource" type="DataSource"> JdbcDriver oracle.jdbc.driver.OracleDriver JdbcUrl ${oracle.jdbc} UserName ${oracle.user} Password ${oracle.password} JtaManaged true InitialSize 5 MaxActive 30 ValidationQuery SELECT 1 FROM DUAL TestOnBorrow true </Resource>

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  • Telerik vs. Infragistics for Silverlight

    - by JeffN825
    Yes, this is certainly a duplicate question, but I wanted to get some fresh takes. My impression is that Telerik is a much more complete suite, but I'm really really turned off by the responsiveness of their controls. It just seems "clunky" in terms of responsiveness (I have a very fast computer and video card). Scrolling in a grid and transitions chunk, even in their latest demos where they claim to have good performance. I do like that their WPF suite matches their SL one in terms of API. Infragistics has fewer controls and less theming possibilities, but their controls are very responsive. Scrolling in a grid is fluid, as are their combo menus and all the other controls. I checked out ComponentOne and their controls seem analogous to Telerik's in terms of the points mentioned above but are a little less "pretty". Any thoughts from other users of these suites? Basically, what I'm looking for is a suite that will be highly performant and responsive, relatively customizable from a theming standpoint, and have enough functionality to develop a LOB SL application without having to use multiple suites to satisfy the majority of common requirements.

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