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  • Wireless doesn't work for me in Lubuntu but does in Puppy?

    - by user54871
    I am new to GNU Linux. I have been having trouble getting wireless working on my installed system of Lubuntu 11.10. It sees my WPA network but cannot connect even when I remove the password. Looking around for a different distro that might replace it, I was amazed to find that Puppy was able to connect to my wireless network without trouble, running off a USB stick. So this makes me think that my Lubuntu wireless problem might be fixable so I don't have to have the major hassle of backing up all my documents etc before installing a different distro to the laptop. Can anyone suggest some steps that might help me to fix wireless on Lubuntu, perhaps using the fact it works with Puppy? Thanks. Rob

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  • SQL Server SQLCMD Basics

    Sqlcmd makes many SQL Server tasks, such as automating test runs and maintenance tasks, easier and quicker. The sqlcmd command-line utility is valuable to any database developer or DBA as the prime means of executing batches of SQL Statements to SQL servers, and saving results to file. Rob Sheldon gives you the basic facts about this great utility. Get your SQL Server database under version control now!Version control is standard for applications, but databases haven’t caught up. So how can you bring database development up to speed? Why should you start? Find out…

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  • Planning for Disaster

    There is a certain paradox in being advised to expect the unexpected, but the DBA must plan and prepare in advance to protect their organisation's data assets in the event of an unexpected crisis, and return them to normal operating conditions. To minimise downtime in such circumstances should be the aim of every effective DBA. To plan for recovery, It pays to have the mindset of a pessimist. "It's the freaking iPhone of SQL monitoring""Everyone just gets it… that has tremendous value" - Rob Sullivan, DBA, IdeasRun. Get started with SQL Monitor today - download a free trial.

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  • Getting Started with the SSAS Tabular Model

    SSAS Tabular models are in-memory databases that model data with relational constructs such as tables and relationships, in order to provide a rapid and powerful way of providing self-service BI to client applications such as Microsoft Excel and Microsoft Power View. You’ve deployed SSAS in tabular mode, and deployed Adventureworks into it. What next? Rob Sheldon explains all. Check SQL Server performance at a glanceWe consulted 1000 SQL Server professionals to make SQL Monitor’s UI as clear as possible. Start monitoring with a free trial.

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  • Wordpress Mobile Edition, Wordpress Mobile Pack, WPTouch - Which one and how?

    - by heartcode
    Hi everyone, First of all, Happy New Year! I am thinking about making my blog accessible and enjoyable on mobile devices (as many handsets as possible). I am using Wordpress 3.0.4. What I've found is couple of cool plugins like WPTouch (for touch enabled devices), The Wordpress Mobile Edition and the Wordpress Mobile Pack. I am wondering which one is the best to use if I can use only one. If I can use more or (even all these three) are they compatible? Does anyone have any experiences in this topic? If so I would much appreciate some advices or best practice links. Happy 2011, thanks in advance, Rob

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  • 7?????JavaOne Tokyo 2012???????????!

    - by hideki ito
    2012?4?4???????????????49???JavaOne Tokyo 2012???????????7???4????????????4??5??2??????????????????? ???????????JavaOne Tokyo 2012??????????????! ??????Java Strategy Keynote???????????????????Java????????????????Java?????????????????????????Java???????????4????????????Java?????????????????????????????????????7?????????????????????????????????????? ????·?????????????????·??????????Henrik Stahl?JDK??????????????2012?4??JDK7??4????????????????2013??JDK8????????????? ????????????·?????·??????????Rob Benson?????·???????????Twitter?Java????????????????? ????·???????? Java??????????????·???????Nandini Ramani?????Java??????????????Java FX??????????????? ????·???????? ????????·???????Cameron Purdy???????????????????????Java EE 7?????????????????????????? ?????????????????????????????????????Core Java??Client Java??Enterprise Java??Embedded Jave??4??????????????????????????????????????????????????????? ??????????????????????! ???????????????????????????????? ??????????????????????????????????????????????????? ?????????JavaOne Tokyo 2012???2???????????????????????????????????????! ???????Java ???????Duke????????????????!

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  • How to view Session Variables in Visual Studio 2008 Debugger?

    - by davemackey
    Usually using Visual Studio's debugger is a breeze. Scanning through Locals quickly shows the values of variables, etc. However, I'm at a loss how to find out the values contained in session state variables? Can anyone give me a hand? Lets say I put a breakpoint right after: Session("first_name") = "Rob Roy" How do I view the value contained in Session("first_name") from locals?

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  • What's your take on the programming language Go?

    - by fbrereto
    I've just been told about a new programming language, Go, developed at Google by such notables as Ken Thompson and Rob Pike. Does anyone have any experience with it so far? What are your thoughts about how viable small- and large-scale applications could be developed with it? Relevant links (thanks to Lance Roberts; feel free to update these as necessary): Ars-Technica PC World Google Open Source Blog Tech Talk Video Go Mailing List

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  • When using a mocking framework and MSPEC where do you set your stubs

    - by Kev Hunter
    I am relatively new to using MSpec and as I write more and more tests it becomes obvious to reduce duplication you often have to use a base class for your setup as per Rob Conery's article I am happy with using the AssertWasCalled method to verify my expectations, but where do you set up a stub's return value, I find it useful to set the context in the base class injecting my dependencies but that (I think) means that I need to set my stubs up in the Because delegate which just feels wrong. Is there a better approach I am missing?

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  • Android TextView formating.

    - by Tarmon
    Hey Everyone, I am trying to implement a TextView that is serving as a header for a ListView. I want to format it so that I have basically a title centered on the first line and then additional information on the lines following. How can I format the text/string to create this kind of formatting? Thanks, Rob

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  • Cassandra API equivalent of "SELECT ... FROM ... WHERE id IN ('...', '...', '...');"

    - by knorv
    Assume the following data set: id age city phone == === ==== ===== alfred 30 london 3281283 jeff 43 sydney 2342734 joe 29 tokyo 1283881 kelly 54 new york 2394929 molly 20 london 1823881 rob 39 sydney 4928381 To get the following result set .. id age phone == === ===== alfred 30 3281283 joe 29 1283881 molly 20 1823881 .. using SQL one would issue .. SELECT id, age, phone FROM dataset WHERE id IN ('alfred', 'joe', 'molly'); What is the corresponding Cassandra API call that would yield the same result set in one command?

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  • Using the Google Maps API in a Android application.

    - by Tarmon
    Hey, I was looking at the Google Map API for the first time and I had a quick question. I am woking on an Android application and I was wondering if there is a good way to take a route that I have created using Google Maps (snapping to roads) and use the API display this route on an Android application? I see that there is a way to generate images overlayed with polylines created with coordinates but it seems like it would be tought to create a polyline for something like a curved road. Thanks, Rob

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  • How to style a treeview in Expression Blend

    - by RobDemo
    (Using Expression Blend 4 RC, Silverlight 3) I have a treeview with several different item templates for different levels. When I open this project in Blend, it seems I can only really style the top-most DataTemplate (via right-click the TreeView in the Objects/Timeline view, Edit Additional Templates-Edit Generated Items (ItemTemplate) - Edit Current). How do I drill down into the level I want and edit those templates? Rob

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  • Compare Database container and class container

    - by Mohit Deshpande
    I am using a SQL Server database in my current project. I was watching the MVC Storefront videos (specifically the repository pattern) and I noticed that Rob (the creator of MVC Storefront) used a class called Category and Product, instead of a database and I have notice that using LINQ-SQL or ADO.NET, that a class is generated. Is there an advantage to using a class over a database to store information? Or is it the other way around? Or are they even comparable?

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  • SQL query for active users

    - by user344513
    This SQL query gives me today's number of users active in the last 30 days: SELECT COUNT(*) FROM table.users WHERE creation_tsz >= (now() - interval '30 days') How can I modify it to get not a single value, but a table of active users for a range of dates? Thanks, Rob

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  • Testing an application for Android.

    - by Tarmon
    Hey Everyone, I was wondering if any one had compiled a list of the most commonly used Android devices so I can get an idea of what I should test for. Even better would be suggested configurations for emulating each device. Thanks, Rob

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  • Word 2007 macros: is there an OnPrint event I can attach a macro to?

    - by notnot
    I'm looking to do a formatting check on word files before they get sent to the printer and it needs to be completely transparent to the user (no extra controls, just using the standard print options available through the UI). Is there an OnPrint or BeforePrint event, or something that can be used in that respect which I could attach a macro to, the same way I can with Open, Close, or Save? This feels like it should be simple... but those are famous last words. Thanks in advance, Rob

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  • Adding controls dynamically not XHTML formatted

    - by LiverpoolsNumber9
    Hi - I'm adding generic html controls to repeater items at "onitemdatabound". It works absolutely fine but just wondering (or hoping) if there's any way of getting those controls to render on the page in XHTML format? It's just an annoyance really - my markup is beautifully clean and correctly indented until the repeater! Using .net 3.5, and C#. Thanks in advance, Rob

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  • How to change last letter of filename to lowercase if it is a letter?

    - by Robert Buckley
    I have been given data which cannot be interpreted by my software unless it has a lowercase letter at the end. The data was delivered with an uppercase letter at the end. Somehow I need to first recursively loop through all folders and find whether the filename ends with a letter and then change it to lowercase. I think python could do this, but I don´t know how,. Any help would be great! yours, Rob

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  • NUNIT + VS2010 = Unable to copy file from /obj to /bin...being used by another process

    - by TimDog
    I am trying to run some unit tests using NUnit while I have the project open, and VS 2010 cannot rebuild the project while the assembly is loaded in NUnit. I have looked around and haven't found any solutions that seen to fix it. I can close NUnit, then the project builds fine. This is a the same solution based on Rob Conery's BDD demo found here: http://tekpub.com/view/concepts/5 Any thoughts?

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  • What are the disadvantages of self-encapsulation?

    - by Dave Jarvis
    Background Tony Hoare's billion dollar mistake was the invention of null. Subsequently, a lot of code has become riddled with null pointer exceptions (segfaults) when software developers try to use (dereference) uninitialized variables. In 1989, Wirfs-Brock and Wikerson wrote: Direct references to variables severely limit the ability of programmers to re?ne existing classes. The programming conventions described here structure the use of variables to promote reusable designs. We encourage users of all object-oriented languages to follow these conventions. Additionally, we strongly urge designers of object-oriented languages to consider the effects of unrestricted variable references on reusability. Problem A lot of software, especially in Java, but likely in C# and C++, often uses the following pattern: public class SomeClass { private String someAttribute; public SomeClass() { this.someAttribute = "Some Value"; } public void someMethod() { if( this.someAttribute.equals( "Some Value" ) ) { // do something... } } public void setAttribute( String s ) { this.someAttribute = s; } public String getAttribute() { return this.someAttribute; } } Sometimes a band-aid solution is used by checking for null throughout the code base: public void someMethod() { assert this.someAttribute != null; if( this.someAttribute.equals( "Some Value" ) ) { // do something... } } public void anotherMethod() { assert this.someAttribute != null; if( this.someAttribute.equals( "Some Default Value" ) ) { // do something... } } The band-aid does not always avoid the null pointer problem: a race condition exists. The race condition is mitigated using: public void anotherMethod() { String someAttribute = this.someAttribute; assert someAttribute != null; if( someAttribute.equals( "Some Default Value" ) ) { // do something... } } Yet that requires two statements (assignment to local copy and check for null) every time a class-scoped variable is used to ensure it is valid. Self-Encapsulation Ken Auer's Reusability Through Self-Encapsulation (Pattern Languages of Program Design, Addison Wesley, New York, pp. 505-516, 1994) advocated self-encapsulation combined with lazy initialization. The result, in Java, would resemble: public class SomeClass { private String someAttribute; public SomeClass() { setAttribute( "Some Value" ); } public void someMethod() { if( getAttribute().equals( "Some Value" ) ) { // do something... } } public void setAttribute( String s ) { this.someAttribute = s; } public String getAttribute() { String someAttribute = this.someAttribute; if( someAttribute == null ) { setAttribute( createDefaultValue() ); } return someAttribute; } protected String createDefaultValue() { return "Some Default Value"; } } All duplicate checks for null are superfluous: getAttribute() ensures the value is never null at a single location within the containing class. Efficiency arguments should be fairly moot -- modern compilers and virtual machines can inline the code when possible. As long as variables are never referenced directly, this also allows for proper application of the Open-Closed Principle. Question What are the disadvantages of self-encapsulation, if any? (Ideally, I would like to see references to studies that contrast the robustness of similarly complex systems that use and don't use self-encapsulation, as this strikes me as a fairly straightforward testable hypothesis.)

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  • I Hereby Resolve… (T-SQL Tuesday #14)

    - by smisner
    It’s time for another T-SQL Tuesday, hosted this month by Jen McCown (blog|twitter), on the topic of resolutions. Specifically, “what techie resolutions have you been pondering, and why?” I like that word – pondering – because I ponder a lot. And while there are many things that I do already because of my job, there are many more things that I ponder about doing…if only I had the time. Then I ponder about making time, but then it’s back to work! In 2010, I was moderately more successful in making time for things that I ponder about than I had been in years past, and I hope to continue that trend in 2011. If Jen hadn’t settled on this topic, I could keep my ponderings to myself and no one would ever know the outcome, but she’s egged me on (and everyone else that chooses to participate)! So here goes… For me, having resolve to do something means that I wouldn’t be doing that something as part of my ordinary routine. It takes extra effort to make time for it. It’s not something that I do once and check off a list, but something that I need to commit to over a period of time. So with that in mind, I hereby resolve… To Learn Something New… One of the things I love about my job is that I get to do a lot of things outside of my ordinary routine. It’s a veritable smorgasbord of opportunity! So what more could I possibly add to that list of things to do? Well, the more I learn, the more I realize I have so much more to learn. It would be much easier to remain in ignorant bliss, but I was born to learn. Constantly. (And apparently to teach, too– my father will tell you that as a small child, I had the neighborhood kids gathered together to play school – in the summer. I’m sure they loved that – but they did it!) These are some of things that I want to dedicate some time to learning this year: Spatial data. I have a good understanding of how maps in Reporting Services works, and I can cobble together a simple T-SQL spatial query, but I know I’m only scratching the surface here. Rob Farley (blog|twitter) posted interesting examples of combining maps and PivotViewer, and I think there’s so many more creative possibilities. I’ve always felt that pictures (including charts and maps) really help people get their minds wrapped around data better, and because a lot of data has a geographic aspect to it, I believe developing some expertise here will be beneficial to my work. PivotViewer. Not only is PivotViewer combined with maps a useful way to visualize data, but it’s an interesting way to work with data. If you haven’t seen it yet, check out this interactive demonstration using Netflx OData feed. According to Rob Farley, learning how to work with PivotViewer isn’t trivial. Just the type of challenge I like! Security. You’ve heard of the accidental DBA? Well, I am the accidental security person – is there a word for that role? My eyes used to glaze over when having to study about security, or  when reading anything about it. Then I had a problem long ago that no one could figure out – not even the vendor’s tech support – until I rolled up my sleeves and painstakingly worked through the myriad of potential problems to resolve a very thorny security issue. I learned a lot in the process, and have been able to share what I’ve learned with a lot of people. But I’m not convinced their eyes weren’t glazing over, too. I don’t take it personally – it’s just a very dry topic! So in addition to deepening my understanding about security, I want to find a way to make the subject as it relates to SQL Server and business intelligence more accessible and less boring. Well, there’s actually a lot more that I could put on this list, and a lot more things I have plans to do this coming year, but I run the risk of overcommitting myself. And then I wouldn’t have time… To Have Fun! My name is Stacia and I’m a workaholic. When I love what I do, it’s difficult to separate out the work time from the fun time. But there are some things that I’ve been meaning to do that aren’t related to business intelligence for which I really need to develop some resolve. And they are techie resolutions, too, in a roundabout sort of way! Photography. When my husband and I went on an extended camping trip in 2009 to Yellowstone and the Grand Tetons, I had a nice little digital camera that took decent pictures. But then I saw the gorgeous cameras that other tourists were toting around and decided I needed one too. So I bought a Nikon D90 and have started to learn to use it, but I’m definitely still in the beginning stages. I traveled so much in 2010 and worked on two book projects that I didn’t have a lot of free time to devote to it. I was very inspired by Kimberly Tripp’s (blog|twitter) and Paul Randal’s (blog|twitter) photo-adventure in Alaska, though, and plan to spend some dedicated time with my camera this year. (And hopefully before I move to Alaska – nothing set in stone yet, but we hope to move to a remote location – with Internet access – later this year!) Astronomy. I have this cool telescope, but it suffers the same fate as my camera. I have been gone too much and busy with other things that I haven’t had time to work with it. I’ll figure out how it works, and then so much time passes by that I forget how to use it. I have this crazy idea that I can actually put the camera and the telescope together for astrophotography, but I think I need to start simple by learning how to use each component individually. As long as I’m living in Las Vegas, I know I’ll have clear skies for nighttime viewing, but when we move to Alaska, we’ll be living in a rain forest. I have no idea what my opportunities will be like there – except I know that when the sky is clear, it will be far more amazing than anything I can see in Vegas – even out in the desert - because I’ll be so far away from city light pollution. I’ve been contemplating putting together a blog on these topics as I learn. As many of my fellow bloggers in the SQL Server community know, sometimes the best way to learn something is to sit down and write about it. I’m just stumped by coming up with a clever name for the new blog, which I was thinking about inaugurating with my move to Alaska. Except that I don’t know when that will be exactly, so we’ll just have to wait and see which comes first!

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