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  • Silverlight Cream for November 16, 2011 -- #1167

    - by Dave Campbell
    In this Issue: Michael Crump, Andrea Boschin, Michael Sync, WindowsPhoneGeek(-2-), Erno de Weerd, Jesse Liberty, Derik Whittaker, Antoni Dol, Walter Ferrari, and Jeff Blankenburg(-2-). Above the Fold: Silverlight: "10 Laps around Silverlight 5 (Part 6 of 10)" Michael Crump WP7: "31 Days of Mango | Day #2: Device Status" Jeff Blankenburg Metro/WinRT/W8: "Lighting up your C# Metro apps by being a Share Target" Derik Whittaker Shoutouts: Michael Palermo's latest Desert Mountain Developers is up Michael Washington's latest Visual Studio #LightSwitch Daily is up SilverlightShow has announced a webinar you probably don't want to miss: Webinar – Introduction to XAML Development on Windows 8 Check out the top 5 from last week at SilverlightShow: SilverlightShow for November 07 - 13, 2011 From SilverlightCream.com: 10 Laps around Silverlight 5 (Part 6 of 10) Michael Crump covers a lot of territory in this Part 6 of his Silverlight 5 Beta series at SilverlightShow: P/Invoke, Multiple Windows, and Full Trust Windows Phone 7.5 - Manipulating camera stream Andrea Boschin has Part 4 of his Mango series up at SilverlightShow. He's discussing accessing the raw stream from the camera and saving it to a file. Blend 4 + VS 2011 (Preview) = Problem? Michael Sync reports a problem with Blend 4 and the VS2011 preview... followed up by a set of scripts that were posted on Connect to make the problem go away (at least for Michael) Windows Phone Toolkit MultiselectList in depth | Part1: key concepts and API WindowsPhoneGeek begins a series on the MultiselectList in the Phone Toolkit... if you've seen his tutorials, you know they're great... this one is no exception.. lots of code, info and notes getting you on-board with the features Getting Started with Windows Phone Alarms WindowsPhoneGeek next takes a sidestep from his new series and has this post on Alarms in WP7 apps .. one of the type of scheduled actions in WP7.1 ... good write-up, pictures and code Using AppHarbor, Bitbucket and Mercurial with ASP.NET and Silverlight – Part 3 Membership and Role Provider in SQL Server Erno de Weerd's part 3 of his series is up... adding Role and Membership to his application... check it out in this 17-step tutorial Yet Another Podcast #51–Shawn Wildermuth: //build, Xaml Programming & Beyond Jesse Liberty has another of his Yet Another Podcasts up and he's talking with Jon Galloway and Shawn Wildermuth... hear what *that* trio has to say about post //BUILD, and all things XAML Lighting up your C# Metro apps by being a Share Target Derik Whittaker continues to work with Metro... evidenced by this post on wiring your app up to be a Share Target .. allowing your app to consume data from other apps Photoshop in METRO style 2: Filters Antoni Dol follows up his Photoshop in Metro post with this one on filters... he's got some great screenshots... was hoping to see a link to the code... maybe I missed it! Silverlight and Sharepoint working together: a Silverlight menu for Sharepoint - Part 1 Walter Ferrari has part 1 of a series up at SilverlightShow talking about Sharepoint and Silverlight, and using Silverlight Navigation in place of what Sharepoint offers up. 31 Days of Mango | Day #2: Device Status Jeff Blankenburg is motoring along on his 31 Days of Mango. This is his Day 2 post and all about DeviceStatus, or just about everything you would like to know about your user's phone 31 Days of Mango | Day #3: Alarms and Reminders Day 3 of Jeff Blankenburg's series is about Alarms and Reminders... a way to alert your user that something needs to be done... you can create, edit, and delete them as needed Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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  • Oracle Magazine: Getting started with SQL Analytics

    - by KLaker
    I am currently working on a series of podcasts covering the broad categories of our SQL analytical functions and features and while I was doing some research I came across of series of four articles in the Oracle Magazine. This series of article is written by Melanie Caffrey who is a senior development manager at Oracle. She is a coauthor of Expert PL/SQL Practices for Oracle Developers and DBAs (Apress, 2011) and Expert Oracle Practices: Oracle Database Administration from the Oak Table (Apress, 2010). The four articles are under the banner "Technology: SQL 101" and parts 9, 10, 11 and 12 cover SQL analytics. Here are the links to the four articles: Jan 2013 Having Sums, Averages, and Other Grouped Data March 2013 A Window into the World of Analytic Functions May 2013 Leading Ranks and Lagging Percentages: Analytic Functions, Continued July 2013 Pivotal Access to Your Data: Analytic Functions, Concluded The articles cover topics such as GROUP BY, SUM, AVG, HAVING, window functions, RANK, FIRST, LAST, LAG, LEAD etc.   The great news is that  you can try out the examples in this series. All you need is access to an Oracle Database instance. All the schemas, data sets and SQL statements that you will need can be downloaded from a link included in the January article.    I hope you find this series of articles useful.

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  • Radeon HD 2000, 3000, 4000 on 12.10 Quantal: fglrx (legacy) 12.6 unsupported, what to do?

    - by Andrew Mao
    After upgrading to 12.10 quantal, the packaged version of fglrx no longer works. I discovered that this is because there is a separate 'legacy' fglrx driver for the HD 2k-4k series cards, but it is incompatible with the xorg server on 12.10. This is the most current version of the driver for HD 2000 through HD 4000 series cards. You can't use the non-legacy fglrx driver, but you can use the open-source radeon driver if you prefer your WM compositing to be laggy and your YouTube videos to play like they would on a Pentium MMX series: http://support.amd.com/us/kbarticles/Pages/catalyst126legacyproducts.aspx Usually this driver can be installed in the following way, necessary because apt-get install fglrx would pull in the non-legacy driver: wget http://www2.ati.com/drivers/legacy/amd-driver-installer-12.6-legacy-x86.x86_64.zip unzip amd-driver-installer-* sudo sh ./amd-driver-installer-*.run --buildpkg Ubuntu/quantal sudo dpkg -i fglrx*.deb sudo aticonfig --initial -f If you use a different version of fglrx (for example, a newer 12.9 that doesn't support those cards) then the final command will give you an error no supported hardware detected or something similar. However, everything works at this point and you will get a reasonable xorg.conf: ... other stuff Section "Device" Identifier "aticonfig-Device[0]-0" Driver "fglrx" BusID "PCI:1:5:0" EndSection ... other stuff At this point you're supposed to reboot and everything will be working with the fglrx driver. However, upon rebooting, you'll be treated to the following errors in Xorg.0.log when fglrx attempts to load: (EE) Failed to load /usr/lib/xorg/modules/drivers/fglrx_drv.so: /usr/lib/xorg/modules/drivers/fglrx_drv.so: undefined symbol: noXFree86DRIExtension Some searching around will show that this is a problem with the legacy ATI drivers not supporting xserver 1.13 or newer. (Arch Linux thread) ATI has released a fixed driver for its most recent (HD 5000 series or later) cards, but not for the 'legacy' cards yet. The non-legacy ATI drivers can't be used with the old cards. What should an Ubuntu user, using one of these HD 2000-4000 series cards, do? Wait for an updated 'legacy' ATI driver that properly works with xserver 1.13? Downgrade back to 12.04 Precise, which uses xserver 1.11? Try to downgrade xserver on 12.10 Quantal to 1.12, which could possibly break Unity and GNOME? Forced upgrade to HD 5000 series or later card? (Not possible with integrated graphics...) Some other 1337 action that fixes this problem painlessly?

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  • Oracle Recruitment and Gild Wants You to Have an Apple iPad

    - by david.talamelli
    Oracle and Gild Present the Oracle Coding Series You are invited to participate. Winners will receive national recognition and an Apple iPad. Oracle is inviting elite technologists across India to compete in the Oracle Coding Series. Your credentials have qualified you to participate in the Series. The Oracle Coding Series is a set of five coding competitions that will run from the middle of May to the end of June. Each competition covers a different technology. Competitions are fun and challenging, and take about 15 minutes to complete. The winner of each competition will receive national recognition and win an Apple iPad. Oracle has partnered with Gild.com to host the competition series and select the champions. You may also browse through Oracle's current top job openings - available exclusively on Gild.com. You can apply right on Gild.com, receive immediate feedback and get fast tracked based on your credentials. Good luck. Jan Ackerman Vice President, Recruiting - JAPAC Enter and Compete Now....Best of Luck.

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  • How can I subsample data from a time series with LINQ to SQL?

    - by Chris Farmer
    I have a database table full of time points and experimental values at those time points. I need to retrieve the values for an experiment and create a thumbnail image showing an XY plot of its data. Because the actual data set for each experiment is potentially 100,000 data points and my image is only 100 pixels wide, I want to sample the data before creating the image. My current query (which retrieves all the data without sampling) is something simple like this: var points = from p in db.DataPoints where p.ExperimentId == myExperimentId orderby p.Time select new { X = p.Time, Y = p.Value } So, how can I best take every nth point from my result set in a LINQ to SQL query?

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  • Is there a way to easily convert a series of tarballs of a source tree into a git repository?

    - by Hotei
    I'm new to git and I have a moderately large number of weekly tarballs from a long running project. Each tarball has on average a few hundred files in it. I'm looking for a git strategy that will allow me to add the expanded contents of each tarball to a new git repository, starting from version 1.001 and going through version 1.650. As of this stage of the project 99.5% of tarball(n) is just a copy of version(n-1) - in other words, a perfect candidate for git. The desired end result is to have only the master branch remaining at the end of the process. I think I know git well enough to do this "by hand". As I understand it there is no possibility of a merge conflict since there will be no opportunity to change the master before the next version is added and committed. A shell script is my first guess, but I'm not sure how well bash will like it when git checkout branch_n gets processed while bash is executing in branch_n-1. For the purposes of this project the host environment is Ubuntu 10.4, resources available are 8 Gig RAM, 500 Gig Disk space free and 4 CPU processor at 3.ghz . I don't need someone else to solve the problem but I could use a nudge in the right direction as to how a git expert would approach it. Any advice from someone who's "been there done that" would be appreciated. Hotei PS: I have looked at site's suggested "related questions" and found nothing relevant.

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  • C#: how to obtain the current clock speed of an Intel i-series CPU when TurboBoost is activated

    - by shifuimam
    I know that it's possible to get this information - Intel's own TurboBoost sidebar gadget appears to use an ActiveX control to determine the current clock speed of an i3/i5/i7 CPU when TurboBoost is active. However, I'm wanting to do this programmatically in C# - obtaining the CurrentClockSpeed value from WMI tops out at the set maximum clock speed of the CPU, so in TurboBoost mode, it doesn't report the current actual clock speed.

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  • Excel chart won't update, based on calculated cells

    - by samJL
    I have an Excel document (2007) with a chart (Clustered Column) that gets its Data Series from cells containing calculated values The calculated values never change directly, but only as a result of other cells in the sheet changing When I change other cells in the sheet, the Data Series cells are recalculated, and show new values - but the Chart based on this Data Series refuses to update automatically I can get the Chart to update by saving/closing, or toggling one of the settings (such as reversing x/y axis and then putting it back), or by re-selecting the Data Series Every solution I have found online doesn't work - I have Calculation set to automatic - Ctrl+Alt+F9 updates everything fine, EXCEPT the chart - I have recreated the chart several times, and on different computers - I have tried VBA scripts like: Application.Calculate Application.CalculateFull Application.CalculateFullRebuild ActiveWorkbook.RefreshAll DoEvents None of these update or refresh the chart I do notice that if I type over my Data Series, actual numbers instead of calculations, it will update the chart - it's as if Excel doesn't want to recognize changes in the calculations Has anyone experienced this before or know what I might do to fix the problem? Thank you

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  • Algorithm for assigning a unique series of bits for each user?

    - by Mark
    The problem seems simple at first: just assign an id and represent that in binary. The issue arises because the user is capable of changing as many 0 bits to a 1 bit. To clarify, the hash could go from 0011 to 0111 or 1111 but never 1010. Each bit has an equal chance of being changed and is independent of other changes. What would you have to store in order to go from hash - user assuming a low percentage of bit tampering by the user? I also assume failure in some cases so the correct solution should have an acceptable error rate. I would an estimate the maximum number of bits tampered with would be about 30% of the total set. I guess the acceptable error rate would depend on the number of hashes needed and the number of bits being set per hash. I'm worried with enough manipulation the id can not be reconstructed from the hash. The question I am asking I guess is what safe guards or unique positioning systems can I use to ensure this happens.

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  • What CSS should I use to create a series of horizontal, non-wrapping blocks?

    - by JOhnC
    I have a set of dynamically generated content - anywhere between 1 and about 25 blocks (each of which I want to be about 250px wide. Clearly, this can run off-screen, but that's fine since my design allows for horizontal scrolling (using jQuery - I don't want the browser to do it with its own scroll bars). So what CSS - cross-browser - is the best approach? Floats seem to wrap unreliably, and the dynamic nature of the content which changes frequently through ajax calls - means that recalculating the container width is not very practical. Other CSS-based option?

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  • Calculating a 12-month moving average of weekly series, but anchored at the last day of the month

    - by richardh
    I have a zoo object oi.zoo with weekly data. I would like to sooth this with a 12-month moving average (easy enough), but I can't figure out how to anchor the right edge of the the moving average window at the end of the month (to correspond with the on which factors I am regressing). For example: > head(oi.zoo) 1986-01-15 1986-01-31 1986-02-14 1986-02-28 1986-03-14 1986-03-31 2966182 2986748 2948045 2990979 2993453 2936038 > head(mkt) 1926-07-31 1926-08-31 1926-09-30 1926-10-31 1926-11-30 1926-12-31 2.62 2.56 0.36 -3.43 2.44 2.77 I have some other factors and plan on using dynlm to regress. Thanks!

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  • PHP given a series of arbitrary numbers, how can I choose a logical max value on a line graph?

    - by stormist
    I am constructing a line graph in PHP. I was setting the max value of the line graph to the max value of my collection of items, but this ended up making the graph less readable you are unable to view the highest line on the graph as it intersects with the top of it. So what I need is basically a formula to take a set of numbers and calculate what the logical max value of on the line graph should be.. so some examples 3500 250 10049 45394 434 312 Max value on line graph should probably be 50000 493 412 194 783 457 344 max value on line graph would ideally be 1000 545 649 6854 5485 11545 In this case, 12000 makes sense as max value So something as simple as rounding upward to the nearest thousandth might work but I'd need it to progressively increase as the numbers got bigger. (50000 instead of 46,000 in first example) The maximum these numbers will ever be is about a million. Any recommendations would be greatly appreciated, thank you.

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  • How to discard time intervals with Time Series / XYPlots using JFreeChart?

    - by Alex Arnon
    Hi All, I am building a set of chart displays, one of which is for a month display of daily trading - that is, one point of data per day (closing). Since there is no trade during weekends and holidays, I need to discard these data points. Not only that, but data points should still appear adjacent to each other, regardless of any gaps in time. This can be seen in any such chart e.g. in the 3 month graph for Nasdaq on Yahoo Finance - see how weekends are skipped. My question is: how should one correctly implement this in JFreeChart? Thanks in advance!

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  • Excel chart won't update, based on calculated cells

    - by sam SJL
    I have an Excel document (2007) with a chart (Clustered Column) that gets its Data Series from cells containing calculated values The calculated values never change directly, but only as a result of other cells in the sheet changing When I change other cells in the sheet, the Data Series cells are recalculated, and show new values - but the Chart based on this Data Series refuses to update automatically I can get the Chart to update by saving/closing, or toggling one of the settings (such as reversing x/y axis and then putting it back), or by re-selecting the Data Series Every solution I have found online doesn't work - I have Calculation set to automatic - Ctrl+Alt+F9 updates everything fine, EXCEPT the chart - I have recreated the chart several times, and on different computers - I have tried VBA scripts like: Application.Calculate Application.CalculateFull Application.CalculateFullRebuild ActiveWorkbook.RefreshAll DoEvents None of these update or refresh the chart I do notice that if I type over my Data Series, actual numbers instead of calculations, it will update the chart - it's as if Excel doesn't want to recognize changes in the calculations Has anyone experienced this before or know what I might do to fix the problem? Thank you

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  • How can I plot a time series graph with Perl?

    - by Jazz
    I have some data from a database (SQLite), mapping a value (an integer) to a date. A date is a string with this format: YYYY-MM-DD hh:mm. The dates are not uniformly distributed. I want do draw a line graph with the dates on X and the values on Y. What is the easiest way to do this with Perl? I tried DBIx::Chart but I could not make it recognize my dates. I also tried GD::Graph, but as the documentation says: GD::Graph does not support numerical x axis the way it should. Data for X axes should be equally spaced

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  • What is the best way to remove flickering from a fast series of image loads in Flash?

    - by msandbot
    Hi, working on making a flash program that loads about 1000 jpegs and then plays them like a movie. Have all the buttons and stuff working but the time it takes for an image to load is so high that the movie can't be played at 30 fps. I've tried multiple ways of fixing this using 1 scrollpane and changing its source ever 30 ms. This one is the worst but simplest. Flickers cause strobing and it is unwatchable. used 2 scrollpanes that were duplicates of each other until I had to load. I would then make that one invisible, load it , then make it visible. Then load the background one. Works but same problem as the first at high speeds, just less severe. used 1 scrollpane per image . This works great, except that it fails miserably on any more than 100 of them due to the number of objects. Has anyone else experienced/solved/wants to help me solve this? None of my fixes have worked. Currently using action script 3, but will change if its not possible in that. Also, I want to be able to zoom in and then scroll around the window hence the scrollpanes, but if that's not possible its a sacrifice I'm willing to make

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  • How do I exit a series of If / else conditions in a mysql trigger?

    - by ScArcher2
    I have a trigger that checks to see if certain fields changed during the update. If any of these fields changed I update another table. I'd like to "break" out of the if conditions as soon as I know that something changed. Is there a way to do this within a MySQL Trigger? What I have works, but It seems inefficient. CREATE TRIGGER profile_trigger BEFORE UPDATE ON profile FOR EACH ROW BEGIN DECLARE changed INTEGER; SET changed = 0; IF STRCMP(NEW.first_name, OLD.first_name) <> 0 THEN SET changed = 1; ELSEIF STRCMP(NEW.last_name, OLD.last_name) <> 0 THEN SET changed = 1; ELSEIF STRCMP(NEW.maiden_name, OLD.maiden_name) <> 0 THEN SET changed = 1; ELSEIF STRCMP(NEW.suffix, OLD.suffix) <> 0 THEN SET changed = 1; ELSEIF STRCMP(NEW.title, OLD.title) <> 0 THEN SET changed = 1; ELSEIF STRCMP(NEW.gender, OLD.gender) <> 0 THEN SET changed = 1; ELSEIF STRCMP(NEW.street, OLD.street) <> 0 THEN SET changed = 1; ELSEIF STRCMP(NEW.street2, OLD.street2) <> 0 THEN SET changed = 1; ELSEIF STRCMP(NEW.city, OLD.city) <> 0 THEN SET changed = 1; ELSEIF STRCMP(NEW.state, OLD.state) <> 0 THEN SET changed = 1; ELSEIF STRCMP(NEW.zip, OLD.zip) <> 0 THEN SET changed = 1; ELSEIF STRCMP(NEW.home_phone, OLD.home_phone) <> 0 THEN SET changed = 1; ELSEIF NEW.date_of_birth <> OLD.date_of_birth THEN SET changed = 1; END IF; IF changed > 0 THEN update other_table set updated = CURRENT_TIMESTAMP where id = NEW.id; END IF; END; |

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