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  • Database Maintenance Scripting Done Right

    - by KKline
    I first wrote about useful database maintenance scripts on my SQLBlog account way back in 2008. Hmmm - now that I think about it, I first wrote about my own useful database maintenance scripts in a journal called SQL Server Professional back in the mid-1990's on SQL Server v6.5 or some such. But I digress... Anyway, I pointed out a couple useful sites where you could get some good scripts that would take care of preventative maintenance on your SQL Server, such as index defragmentation, updating...(read more)

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  • Google I/O 2012 - Building Android Applications that Use Web APIs

    Google I/O 2012 - Building Android Applications that Use Web APIs Yaniv Inbar Google offers a large and growing set of back-end services, from AdSense to Tasks to Calendar to Google+, that can enrich your app, and increasingly they have a uniform set of APIs. This session discusses how to use them efficiently and securely, including authenticating safely and with good user experience, and describes Android-specific app-level optimizations. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 563 12 ratings Time: 55:14 More in Science & Technology

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  • Enterprise VS Regular corporate developer

    - by Rick Ratayczak
    Ok, I "almost" lost a job offer because I "didn't have enough experience as an enterprise software engineer". I've been a programmer for over 16 years, and the last 12-14 professionally, at companies big and small. So this made me think of this question: What's the difference between a software engineer and an enterprise software engineer? Is there really a difference between software architecture and enterprise architecture? BTW: I try to do what every other GOOD software programmer does, like architecture, tdd, SDLC, etc.

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  • Statistical Sampling for Verifying Database Backups

    A DBA's huge workload can start to threaten best practices for data backup and recovery, but ingenuity, and an eye for a good tactic, can usually find a way. For Tom, the revelation about a solution came from eating crabs. Statistical sampling can be brought to bear to minimize the risk of failure of an emergency database restore.

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  • Database unit testing is now available for SSDT

    - by jamiet
    Good news was announced yesterday for those that are using SSDT and want to write unit tests, unit testing functionality is now available. The announcement was made on the SSDT team blog in post Available Today: SSDT—December 2012. Here are a few thoughts about this news. Firstly, there seems to be a general impression that database unit testing was not previously available for SSDT – that’s not entirely true. Database unit testing was most recently delivered in Visual Studio 2010 and any database unit tests written therein work perfectly well against SQL Server databases created using SSDT (why wouldn’t they – its just a database after all). In other words, if you’re running SSDT inside Visual Studio 2010 then you could carry on freely writing database unit tests; some of the tight integration between the two (e.g. right-click on an object in SQL Server Object Explorer and choose to create a unit test) was not there – but I’ve never found that to be a problem. I am currently working on a project that uses SSDT for database development and have been happily running VS2010 database unit tests for a few months now. All that being said, delivery of database unit testing for SSDT is now with us and that is good news, not least because we now have the ability to create unit tests in VS2012. We also get tight integration with SSDT itself, the like of which I mentioned above. Having now had a look at the new features I was delighted to find that one of my big complaints about database unit testing has been solved. As I reported here on Connect a refactor operation would cause unit test code to get completely mangled. See here the before and after from such an operation: SELECT    * FROM    bi.ProcessMessageLog pml INNER JOIN bi.[LogMessageType] lmt     ON    pml.[LogMessageTypeId] = lmt.[LogMessageTypeId] WHERE    pml.[LogMessage] = 'Ski[LogMessageTypeName]of message: IApplicationCanceled' AND        lmt.[LogMessageType] = 'Warning'; which is obviously not ideal. Thankfully that seems to have been solved with this latest release. One disappointment about this new release is that the process for running tests as part of a CI build has not changed from the horrendously complicated process required previously. Check out my blog post Setting up database unit testing as part of a Continuous Integration build process [VS2010 DB Tools - Datadude] for instructions on how to do it. In that blog post I describe it as “fiddly” – I was being kind when I said that! @Jamiet

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  • Commnunity Technology Update (CTU) 2011

    - by Aman Garg
    Spoke at the session on Webforms in CTU 2011 (Community Technology Update) in Singapore. Had a good interaction with the Developer community here in Singapore. I covered the following topics during the session:   *Dynamic Data *Routing *Web Form Additions         *Predictable Client IDs          *Programmable Meta Data           *Better control over ViewState           *Persist selected rows *Web Deployment   The Slide Deck used can be accessed using the following URL: http://www.slideshare.net/amangarg516/web-forms-im-still-alive

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  • Keyword Optimization - 3 Tips to Drastically Improve Search Engine Performance For Free

    Keywords for anyone are the backbone to traffic, it doesn't matter where you place links, how you write articles, and how you build your pages keywords play a huge part in getting traffic to your website (and blog). More and more I receive emails regarding some new internet marketing "free traffic source" of the "best new back linking method" and all these are good and may indeed work in some situations they are somewhat redundant in others.

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  • HTML5 Canvas Game Timer

    - by zghyh
    How to create good timer for HTML5 Canvas games? I am using RequestAnimationFrame( http://paulirish.com/2011/requestanimationframe-for-smart-animating/ ) But object's move too fast. Something like my code is: http://pastebin.com/bSHCTMmq But if I press UP_ARROW player don't move one pixel, but move 5, 8, or 10 or more or less pixels. How to do if I press UP_ARROW player move 1 pixel? Thanks for help.

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  • Projects to learn web development

    - by David McDavidson
    I'm trying to get a job as a web developer, but the great majority of jobs offers requires previous experience and a portfolio to prove you've got the required skills. Unfortunately I don't have any real experience or anything to show. The best way to learn is to try and tackle real world problems, so I'd like to know what would be some nice projects to learn stuff and that will look good in a portfolio?

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  • Calling home, receiving calls and smartphone data from the US

    - by Rob Farley
    I got asked about calling home from the US, by someone going to the PASS Summit. I found myself thinking “there should be a blog post about this”... The easiest way to phone home is Skype - no question. Use WiFi, and if you’re calling someone who has Skype on their phone at the other end, it’s free. Even if they don’t, it’s still pretty good price-wise. The PASS Summit conference centre has good WiFI, as do the hotels, and plenty of other places (like Starbucks). But if you’re used to having data all the time, particularly when you’re walking from one place to another, then you’ll want a sim card. This also lets you receive calls more easily, not just solving your data problem. You’ll need to make sure your phone isn’t locked to your local network – get that sorted before you leave. It’s no trouble to drop by a T-mobile or AT&T store and getting a prepaid sim. You can’t get one from the airport, but if the PASS Summit is your first stop, there’s a T-mobile store on 6th in Seattle between Pine & Pike, so you can see it from the Sheraton hotel if that’s where you’re staying. AT&T isn’t far away either. But – there’s an extra step that you should be aware of. If you talk to one of these US telcos, you’ll probably (hopefully I’m wrong, but this is how it was for me recently) be told that their prepaid sims don’t work in smartphones. And they’re right – the APN gets detected and stops the data from working. But luckily, Apple (and others) have provided information about how to change the APN, which has been used by a company based in New Zealand to let you get your phone working. Basically, you send your phone browser to http://unlockit.co.nz and follow the prompts. But do this from a WiFi place somewhere, because you won’t have data access until after you’ve sorted this out... Oh, and if you get a prepaid sim with “unlimited data”, you will still need to get a Data Feature for it. And just for the record – this is WAY easier if you’re going to the UK. I dropped into a T-mobile shop there, and bought a prepaid sim card for five quid, which gave me 250MB data and some (but not much) call credit. In Australia it’s even easier, because you can buy data-enabled sim cards that work in smartphones from the airport when you arrive. I think having access to data really helps you feel at home in a different place. It means you can pull up maps, see what your friends are doing, and more. Hopefully this post helps, but feel free to post comments with extra information if you have it. @rob_farley

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  • What are the drawbacks of sending XML to browsers and let them apply XSLT?

    - by MainMa
    Context Working as a freelance developer, I often made websites completely based on XSLT. In other words, on every request, an XML file is generated, containing everything we need to know about the page content: the name of the user currently logged in, the top menu entries, if this menu is dynamic/configurable, the text to display in a specific area of the page, etc. Then XSL process (caches, etc.) it to HTML/XHTML page to send to the browser. It has a good point to make it easier to create small-scale websites, especially with PHP. It is a sort of template engine, but which I prefer to other template engines because it's much more powerful than most of template engines, and because I know it better and like it. It is also possible, when need, to give an access to raw XML data on demand for an automated access, without the need to create separate APIs. Of course, it will fail completely on any medium-scale or large-scale website, since, even with good caching techniques, XSL still degrades overall website performance and requires more CPU serverside. Question Modern browsers have the ability to take an XML file and to transform it with an associated XSL file declared in XML like <?xml-stylesheet href="demo.xslt" type="text/xsl"?>. Firefox 3 can do it. Internet Explorer 8 can do it too. It means that it is possible to migrate XSL processing from the server to the client side for 50% of users (according on browser statistics on several websites where I may want to implement this). It means that those 50% of users will receive only the XML file at each request, thus reducing their and server's bandwidth (XML file being much shorter than its processed HTML analog), and reducing server's CPU usage. What are the drawbacks of this technique? I thought about several ones, but it doesn't apply in this situation: Difficult implementation and the need to choose, based on the browser request, when to send raw XML and when to transform it to HTML instead. Obviously, the system will not be much more difficult then the actual one. The only change to make is to add XSL file link to every XML, and to add a browser check. More IO and bandwidth usage, since the XSLT file will be downloaded by the browsers, instead of being cached by the server. I don't think it will be a problem, since XSLT file will be cached by the browsers (like images, or CSS, or JavaScript files are cached actually). Possibly some problems on client side, like maybe problems when saving a page in some browsers. Difficulty to debug code: it is impossible to obtain an HTML source the browser is actually using, since the only displayed source is the downloaded XML. On the other hand, I rarely go look at HTML code on client side, and in most cases, it is unusable directly (whitespace being removed).

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  • Is anyone doing "real" TDD with Visual-C++, and if yes, how do they do it?

    - by Martin
    Test Driven Development implies writing the test before the code and following a certain cycle: Write Test Check Test (run) Write Production Code Check Test (run) Clean up Production Code Check test (run) As far as I'm concerned, this is only possible if your development solution allows you to very quickly switch between the production and test code, and to execute the test for a certain production code part extremely quickly. Now, while there exist lots of Unit Testing Frameworks for C++ (I'm using Bost.Test atm.) it does seem that there doesn't really exist any decent (for native C++) Visual Studio (Plugin) solution that makes the TDD cycle bearable regardless of framework used. "Bearable" means that it's a one-click action to run a test for a certain cpp file without having to manually set up a separate testing project etc. "Bearable" also means that a simple test starts (linking!) and runs very quickly. So, what tools (plugins) and techniques are out there that make the TDD cycle possible for native C++ development with Visual Studio? Note: I'm fine with free or "commercial" tools. Please: No framework recommendations. (Unless the framework has a dedicated Visual Studio plugin and you want to recommend the plugin.) Edit Note: The answers so far have provided links on how to integrate a Unit Testing framework into Visual Studio. The resources more or less describe how to get the UT framework to compile and get your first Tests running. This is not what this question is about. I'm of the opinion that to really work productively, having the Unit Tests in a manually maintained(!), separate vcproj from your production classes will add so much overhead that TDD "isn't possible". As far as I am aware, you do not add extra "projects" to a Java or C# thing to enable Unit Tests and TDD, and for a good reason. This should be possible with C++ given the right tools, but it seems (this question is about) that there are very little tools for TDD/C++/VS. Googling around, I've found one tool, VisualAssert, that seems to aim in the right direction. However, afaiks, it doesn't seem to be in widespread use (compared to CppUnit, Boost.Test etc.). Edit: I would like to add a comment to the context for this question. I think it does a good summary of outlining (part of) the problem: (comment by Billy ONeal) Visual Studio does not use "build scripts" that are reasonably editable by the user. One project produces one binary. Moreover, Java has the property that Java never builds a complete binary -- the binary you build is just a ZIP of the class files. Therefore it's possible to compile separately then JAR together manually (using e.g. 7z). C++ and C# both actually link their binaries, so generally speaking you can't write a script like that. The closest you can get is to compile everything separately and then do two linkings (one for production, one for testing).

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  • Metaobject protocol:Why is it known as an important concept

    - by sushant
    Metaobject protocol is protocol for metaobjects in a programming languages. Although I understand it on simple terms, I want to know the reason and a summary of real world usage patterns of this protocol. So, why exactly is metaobject and more importantly metaobject protocol is such a good idea. I want to know the problem which led to its evolution and also, its high power usage. Opinions as well as general overview/description/alternate explanations are also welcome.

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  • Network Inventory Software

    The necessary condition of a company successful operation is a good state of computer assets. That is why all the company?s software and hardware should be inventoried on the regular basis. A system ... [Author: Dmitriy Stepanov - Computers and Internet - March 21, 2010]

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  • The Birth and Life of a Disk Galaxy [Video]

    - by Jason Fitzpatrick
    In this video, rendered over a million CPU hours by the Pleiades supercomputer at NASA’s Ames Research Center, we see the birth and life of a massive disk galaxy. Computer Model Shows a Disk Galaxy’s Life History [via Geeks Are Sexy] HTG Explains: Why It’s Good That Your Computer’s RAM Is Full 10 Awesome Improvements For Desktop Users in Windows 8 How To Play DVDs on Windows 8

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  • How to wrap console utils in webserver

    - by Alex Brown
    I have a big dataset (100Mbs/day) and a bunch of console a TCL/TK tools to view it - I want to turn it into a web app that I can build, and others can maintain. In long: my group runs simulations yielding 100s of Mbs of data daily, in multiple (mostly but not only) text forms. We have a bunch of scripts and tools, mostly old school 1990's style stuff requiring a 5-button mouse, as well as lots of ad-hoc scripts that engineers build out of frustration every month or so. These produces UIs, graphs, spreadsheets (various sizes), logs, event histories etc. I want to replace (or at least supplement) the xwindows / console style UI with a web-based one, so I need the following properties: pleasant to program can wrap existing command-line tools in separate views (I don't need to scrape GUIs or anything) as I port logic from the existing scripts I can create a modularised and pleasant codebase to replace it I can attach a web-ui to navigate between views - each view is likely to contain keys which might make sense to view in another I am new to building systems that have logic on the back-end and front-end of a web-server. from that point of view, they do this: backend wraps old-school executables, constructs calls into them and them takes the output and wraps it up, niceifies it and delivers it to the web client. For instance the tool might generate a number of indexed images (per invocation) which I might deliver all at once or on-demand. May (probably) need to to heavy stats on some sources. frontend provides navigation connecting multiple views, performs requests from one view for data from another (or self to self), etc. Probably will have some views with a lot of interactivity. Can people please point me towards viable solutions for this? I know it's a bit of an open question so as answers come in I hope to refine the spec until we have a good match. I guess I expect to see answers like "RoR!" "beans!" "Scala!" but please give an indication of why those are a good fit; I know nothing! I got bumped off SO for asking an open-ended question, so sorry if its OT here too (let me know). I take the policy that I use the best/closest matched language for a project but most of my team are extremely low level (ie pipeline stages and CDyn) so I don't have the peer group to know where to start.

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  • Why profile applications using AOP?

    - by Vance
    When tuning performance in a web application, I am looking for good and light-weight performance profiling tools to measure the execution time for each method. I know that the easiest profiling method is to log the start time and end time for each method, but I see more and more people using AOP to profile (add @profiled before each method). What's the benefit of AOP profiling compared to the common "log" way? Thanks in advance Vance

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  • Upcoming Presentation Session's in 2012

    - by NeilHambly
    Hello With the remaining quarter of the year, promising to be as manic as the rest, having already done the following events SQLBits 10, SQL Relay 2012, 24HOP (SQL Server 2012), SQLRally 2012 Dallas, TechEd AMS {PASS Ambassador} & 3 SQLSaturday's (Portugal, Dublin, Johannesburg), as well as SQLDay in Poland, virtual event for Perth UG {Australian} and not to mention a host of events for my own SQL London PASS Chapter, as the 1st UG event in Belfast {Good luck Ryan with the next one} I still...(read more)

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  • Effectiveness and Efficiency

    - by Daniel Moth
    In the professional environment, i.e. at work, I am always seeking personal growth and to be challenged. The result is that my assignments, my work list, my tasks, my goals, my commitments, my [insert whatever word resonates with you] keep growing (in scope and desired impact). Which in turn means I have to keep finding new ways to deliver more value, while not falling into the trap of working more hours. To do that I continuously evaluate both my effectiveness and my efficiency. EFFECTIVENESS The first thing I check is my effectiveness: Am I doing the right things? Am I focusing too much on unimportant things? Am I spending more time doing stuff that is important to my team/org/division/business/company, or am I spending it on stuff that is important to me and that I enjoy doing? Am I valuing activities that maybe I have outgrown and should be delegated to others who are at a stage I have surpassed (in Microsoft speak: is the work I am doing level appropriate or am I still operating at the previous level)? Notice how the answers to those questions change over time and due to certain events, so I have to remind myself to revisit them frequently. Events that force me to re-examine them are: change of role, change of team/org/etc, change of direction of team/org/etc, re-org, new hires on the team that take on some of the work I did, personal promotion, change of manager... and if none of those events has occurred since the last annual review, I ask myself those at each annual review anyway. If you think you are not being effective at work, make a list of the stuff that you do and start tracking where your time goes. In parallel, have a discussion with your manager about where they think your time should go. Ultimately your time is finite and hence it is your most precious investment, don't waste it. If your management doesn't value as highly what you spend your time on, then either convince your management, or stop spending your time on it, or find different management: Lead, Follow, or get out of the way! That's my view on effectiveness. You have to fix that before moving to being efficient, or you may end up being very efficient at stuff that nobody wants you to be doing in the first place. For example, you may be spending your time writing blog posts and becoming better and faster at it all the time. If your manager thinks that is not even part of your job description, you are wasting your time to satisfy your inner desires. Nobody can help you with your effectiveness other than your management chain and your management peers - they are the judges of it. EFFICIENCY The second thing I check is my efficiency: Am I doing things right? For me, doing things right means that I deliver the same quality of work faster [than what I used to, and than my peers, and than expected of me]. The result is that I can achieve more [than what I used to, and than my peers, and than expected of me]. Notice how the efficiency goal is a more portable one. If, by whatever criteria, you think you are the best at [insert your own skill here], this can change at two events: because you have new colleagues (who are potentially better than your older ones), and it can change with a change of manager (who has potentially higher expectations). That's about it. Once you are efficient at something, you carry that with you... All you need to really be doing here is, when taking on new kinds of work that you haven't done before, try a few approaches and devise a system so that you can become efficient at this new activity too... Just keep "collecting" stuff that you are efficient at. If you think you are not being efficient at something, break it down: What are the steps you take to complete that task? How long do you spend on each step? Talk to others about what steps they take, to see if you can optimize some steps away or trade them for better steps, or just learn how to complete a step faster. Have a system for every task you take so that you can have repeatable success. That's my view on efficiency. You have to fix it so that you can free up time to do more. When you plan a route from A to B - all else being equal - you try to get there as fast as possible so why would you not want to do that with your everyday work? For example, imagine you are inefficient at processing email: You spend more time than necessary dealing with email, and you still end up with dropped email threads and with slower response times than others. How can you improve? Talk to someone that you think is good at this, understand their system (e.g. here is my email processing system) and come up with one that works for you. Parting Thoughts Are you considered, by your colleagues and manager, an effective and efficient person at your workplace? If you are, what would you change if you were asked by your management to do the job of two people? Seriously, think about that! Your immediate reaction may be "that is not possible", but it actually is. You just have to re-assess what things that were previously important will now stop being important, by discussing them with your management and reaching agreement on relative priorities. For example, stuff that was previously on your plate may now have to be delegated or dropped. Where you thought you were efficient, maybe now you have to find an even faster path to completion, perhaps keeping in mind that Perfect is the Enemy of “Good Enough”. My personal experience (from both observing others and from my own reflection) is that when folks are struggling to keep up at work it is because of two reasons: They are investing energy in stuff that they enjoy doing which the business regards as having a lower priority than a lot of other things on their plate. They are completing tasks to a level of higher quality than what is required (due to personal pride) missing the big picture which almost always mandates completing three tasks at good enough quality than knocking only one of them out of the park while the other two come in late or not at all. There is a lot of content on the web, so I strongly encourage you to use your favorite search engine to read other views on effectiveness and efficiency (Bing, Google). Comments about this post by Daniel Moth welcome at the original blog.

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  • Where can I find a list of local japanese game publishers

    - by Erik
    What would be a good starting point for locating small or medium size game publishers in Japan. We have a US/EU released game that we believe will fit the Japanese market well, and are looking for companies that we could contact for possible co-publishing. EDIT: So far, I've found http://www.gamebusiness.jp/directory/category.php?id=10002 and from one answer, http://www.gamedevmap.com/index.php?query=Japan&Submit=Search Starting a bounty, I need as many publishers as I can get.

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  • SEO and new site - visibility best practices

    - by Ispuk
    Since i launched a new web site, i was wondering which are the best practices to let the visibility of the site grow up faster then just leaving the site online? I mean which internet channels are good to speed up visibility of a new site? Can anyone show some tricks he do when launching new site? I'm not talking about spam, advertising and SEO tech tips (the site is well done with all the main SEO tech tricks).

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