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• Google+ Platform Office Hours for May 16th, 2012: Hangouts API v1.1

  Google+ Platform Office Hours for May 16th, 2012: Hangouts API v1.1 This week we discussed the latest release of the Hangouts API, v1.1. JD Salazar and Richard Dunn from the Hangouts API engineering team joined us to help your answer questions. Discussion this session on Google+: goo.gl You can learn more about our office hours here: goo.gl 0:29 - Introductions 2:50 - Richard gives us an overview of what's new in Hangouts API v1.1 8:57 - What are the default scales for the static overlays? 9:25 - Will the static overlay scale ratio change during the hangout? 10:13 - What is the resolution of the feed? How do I ensure my overlays match the quality? 12:49 - How do I know if an image resource has failed to load? 16:33 - Can we have animated gifs as overlays? 19:44 - Loaded overlays do not clear upon deletion. How many can I load before I encounter issues? 21:48 - Are sound overlays played to all participants or only locally? What about sound cancellation? 23:27 - How do you uninstall a Hangout app? 25:41 - Can I make an app that uses drag and drop onto the film strip? 26:55 - Can we embed participant thumbnails elsewhere on the screen? 28:33 - How can I determine a consistent ordering for hangout participants? 31:35 - Can I access Picasa photos uploaded by another user within a hangout? Gerwin demonstrates his solution. 31:14 - How do I know when my hangout app has been unloaded for the purposes of doing cleanup? 39:28 - Will face tracking ever support multiple faces? 40:41 - Can I use WebGL in a hangouts app? 42:09 - I'm having issues with <b>...</b> From: GoogleDevelopers Views: 2032 18 ratings Time: 53:05 More in Science & Technology

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• I'm doing 90% maintenance and 10% development, is this normal?

  - by TiredProgrammer

  I have just recently started my career as a web developer for a medium sized company. As soon as I started I got the task of expanding an existing application (badly coded, developed by multiple programmers over the years, handles the same tasks in different ways, zero structure) So after I had successfully extended this application with the requested functionality, they gave me the task to fully maintain the application. This was of course not a problem, or so I thought. But then I got to hear I wasn't allowed to improve the existing code and to only focus on bug fixes when a bug gets reported. From then on I have had 3 more projects just like the above, that I now also have to maintain. And I got 4 projects where I was allowed to create the application from scratch, and I have to maintain those as well. At this moment I'm slightly beginning to get crazy from the daily mails of users (read managers) for each application I have to maintain. They expect me to handle these mails directly while also working on 2 other new projects (and there are already 5 more projects lined up after those). The sad thing is I have yet to receive a bug report on anything that I have coded myself, for that I have only received the occasional lets do things 180 degrees different change requests. Anyway, is this normal? In my opinion I'm doing the work equivalent of a whole team of developers. Was I an idiot when I initially expected things to be different? I guess this post has turned into a big rant, but please tell me that this is not the same for every developer. P.S. My salary is almost equal if not lower then that of a cashier at a supermarket.

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• visit counts in advanced segments not consistant

  - by user671201

  My organization has recently noticed an issue when applying advanced segments to visit counts during different time ranges. With no advanced segments turned on, here are the visit counts for Oct 1st - Oct 4th during the time range Sept 8th - Oct 8th: Oct 1 - 7 Oct 2 - 7 Oct 3 - 8 Oct 4 - 5 Again, with no advanced segments turned on, here are the visit counts for Oct 1st - Oct 4th but I've changed the time range to Oct 1st - Oct 4th. As expected, the numbers are the exact same as above: Oct 1 - 7 Oct 2 - 7 Oct 3 - 8 Oct 4 - 5 Now, I turn on the "Non paid search traffic" advanced segment. Here are the visit counts for Oct 1st - Oct 4th during the time range Sept 8th - Oct 8th: Oct 1 - 0 Oct 2 - 0 Oct 3 - 0 Oct 4 - 2 Here is where it gets weird. I keep the advanced segment on, and change the time range to Oct 1st - Oct 4th. This is what I get for the exact same dates as above: Oct 1 - 4 Oct 2 - 2 Oct 3 - 6 Oct 4 - 5 We've found the same inconsistency in our other GA profiles that get much more traffic (the above numbers come from one of our specialized topic blogs), but the inconsistency is less pronounced where there are more visits. My question is: why are the visit counts different for different time ranges when advanced segments are turned on, but exactly the same when no advanced segments are applied? Is this a GA bug or am I missing something about how the advanced segments work?

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• What is the best way to store meshes or 3d models in a class

  - by Robse

  I am wondering, how I should store my mesh into memory after loading it from whatever file. I have Questions floating in my head: Should a mesh could have sub meshes or does the 3d model just store a list of meshes all on the same level Is there one material assigned to one mesh 1:1? What do I have to consider, if I want to store skeletal animations? Btw it's a OpenGL|ES2 iOS game using GLKit. I came up with some basic struct types: (But I think they are way to simple and I need to add padding or change the vector3 to vector4.) typedef union _N3DShortVector2 { struct { short x, y; }; struct { short s, t; }; short v[2]; } N3DShortVector2; typedef union _N3DShortVector3 { struct { short x, y, z; }; struct { short r, g, b; }; struct { short s, t, p; }; short v[3]; } N3DShortVector3; typedef GLKVector3 N3DFloatVector3; typedef struct _N3DMeshRecordSV3 { N3DShortVector3 v1, v2, v3; } N3DMeshRecordSV3; typedef struct _N3DMeshRecordSV3FN3ST2 { N3DShortVector3 v1, v2, v3; N3DFloatVector3 n1, n2, n3; N3DShortVector2 t1, t2, t3; } N3DMeshRecordSV3FN3ST2;

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• CodePlex Daily Summary for Sunday, August 24, 2014

  CodePlex Daily Summary for Sunday, August 24, 2014Popular ReleasesCS-Script for Notepad++ (C# intellisense and code execution): Release v1.0.31.0: Fixed problem with menu item 'Plugins->CS-SCript->Debug' invoking 'Run' instead of 'Debug'.Media Companion: Media Companion MC3.599b: New:* MC - Remember last monitor Media Companion Ran on, and re-open there if available. * MC - If notepad++ installed, use for opening nfo XML files. * Movie - Fix: Fanart & Poster searching using 'Google Search' button opened multiple browser tabs, one per search word. * Movie - Allow Re-scrape with XBMC TMDB Scraper, if IMDB Id is present. * TV - added option to save Season Poster into season folder as folder.jpg Fixed:* Movie - Table view error if a row header was selected. * Movie - Tab...ASP.NET Identity 2.0 Azure Table Storage: Release 1.2.5.2: Optimizing the login and email index queries. Optimizing IsInRoleAsync operation. 100% unit test pass and 100% code coverage. Full sample source available as a download or in the source branch /Releases/1.2.x.x/sample. Sample code doesn't require an Azure account but does require the Azure SDK with the Storage Emulator at a minimum for running locally. Full suite of unit tests against this assembly at 100% pass rate against the Azure Local Emulator and against a live Azure Storage acc...BugNET Issue Tracker: BugNET 1.6.327: This release contains fixes and enhancements from the previous 1.6.315 release. Please read our release notes for BugNET 1.6.327: http://blog.bugnetproject.com/2014/08/23/bugnet-1-6-327-and-bugnet-pro-1-5-99-released/DIII Save Editor: ROS Alpha 1.2.14.100: initial Ros alpha release please report all bugsSEToolbox: SEToolbox 01.044.014 Release 2: Fixed Ship name not saving. Fixed broken cubes view Bug. Fixed cast VRage.MyFixedPoint error when opening games with Meteors. Added checkbox when Importing 3d model to Export ship, to fill it as solid.CS-Script Source: Release v3.8.5: Fixed problem with the warnings getting hidden in case of the successful compilation cs-script.7z - CS-Script Suite (binaries, documentation, samples) cs-script.ExtensionPack.7z - CS-Script Extension Pack (additional binaries and samples) cs-scriptDocs.7z - CS-Script DocumentationMagick.NET: Magick.NET 7.0.0.0002: Magick.NET linked with ImageMagick 7babelua: 1.6.7.0: V1.6.7.0 - 2014.8.21New feature: add a file search window ( ctrl+1 or ALT+L ), like The file search in VC Assistant; Stability improvement: performance improvement when BabeLua load/unload; performance improvement when debugger load lua files;XboxConsole: XboxConsole 2.0.40820.0: Updated release with added support for: - August XDK - Party API (See updated documentation) Supports the following XDK versions: April 2014 May 2014 June 2014 (all QFEs) July 2014 (all QFEs) August 2014Open NFe: RDI Open NFe 3.0 (alpha): Atualização para o layout 3.10 da NFe.AssaultCube Reloaded: Release 2.6.1: Windows XP USERS must download the patch in addition to the Windows package. Some changes couldn't make it to 2.6, and a recode was started before 2.6.1 could be released. However, the version 2.6.1 is used to represent the first beta release of 2.7. Changelog: Recoded on AC 1.2 as the base version (likely less crashes) Class manager Simpler killfeed, removed kill messages Hide KILL indicator in classic, update at 4 second intervals Disable spawn protection upon firing the first sh...SysLog Server: SysLogServer: This is not a commersial product, use on your own responsibilityMolGridCal & MolCal: MolGridCal tutorial v1.1: Update the contents for grid computing virtual screening.MSSQL Deployment Tool: Microsoft SQL Deploy Tool v1.3.1: MicrosoftSqlDeployTool: v1.3.1.38348 What's changed? Update namespace and assembly name. Bug fixing.SharePoint 2013 Search Query Tool: SharePoint 2013 Search Query Tool v2.1: Layout improvements Bug fixes Stores auth method and user name Moved experimental settings to Advanced boxCtrlAltStudio Viewer: CtrlAltStudio Viewer 1.2.2.41183 Alpha: This alpha of the CtrlAltStudio Viewer provides some preliminary Oculus Rift DK2 support. For more details, see the release notes linked to below. Release notes: http://ctrlaltstudio.com/viewer/release-notes/1-2-2-41183-alpha Support info: http://ctrlaltstudio.com/viewer/support Privacy policy: http://ctrlaltstudio.com/viewer/privacy Disclaimer: This software is not provided or supported by Linden Lab, the makers of Second Life.HDD Guardian: HDD Guardian 0.6.1: New: package now include smartctl 6.3; Removed: standard notification e-mail. Now you have to set your mail server to send e-mail alerts; Bugfix: USB detection error; custom e-mail server settings issue; bottom panel displays a wrong ATA error count.VG-Ripper & PG-Ripper: VG-Ripper 2.9.62: changes NEW: Added Support for 'MadImage.org' links NEW: Added Support for 'ImgSpot.org' links NEW: Added Support for 'ImgClick.net' links NEW: Added Support for 'Imaaage.com' links NEW: Added Support for 'Image-Bugs.com' links NEW: Added Support for 'Pictomania.org' links NEW: Added Support for 'ImgDap.com' links NEW: Added Support for 'FileSpit.com' links FIXED: 'ImgSee.me' linksCMake Tools for Visual Studio: CMake Tools for Visual Studio 1.2: This release adds the following new features and bug fixes from CMake Tools for Visual Studio 1.1: Added support for CMake 3.0. Added support for word completion. Added IntelliSense support for the CMAKEHOSTSYSTEM_INFORMATION command. Fixed syntax highlighting for tokens beginning with escape sequences. Fixed issue uninstalling CMake Tools for Visual Studio after Visual Studio has been uninstalled.New ProjectsDnn Picasa Image Gallery: The DnnC Picasa Image Gallery module allow you to display your Picasa web albums and there photos within your Dnn website.Hot Mess: Hot Mess game software and arduino firmware.Kinect HD Face Sample in unmanaged C++: This is a C++ unmanaged project which is based on the Kinect For Windows v2 SDK sample: FaceBasics. Instead of using the Face source, it utilizes the HDFaceModbus Master: A MODBUS Master application for Windows supporting all MODBUS function codes, a plugin interface and scripting interface.Path Finding on Wireless Sensor Network: Path Finding on Wireless Sensor Networkperilla: enhanced c++ templateXiamiSigLite-Silent: ???????，??Win7??。

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• Dreaded SQLs

  - by lavanyadeepak

  Dreaded SQLs We used to think that a SQL statement without a where clause is only dangerous right since running that on a server TSQL is just going to impact the entire table like waving the magic wand. For that reason we should cultivate the habit first to write the statement as select and then to modify the select portion as update. Within the T-SQL Window, I would normally prefer the following first: select * from employee where empid in (4,5) and then once I am satisfied with the results, I would go ahead with the following change: --select * delete from employee where empid in (4,5) Today I just discovered another coding horror. This would typically be applicable in a stored procedure and with respect to variable nomenclature. It is always desirable to have a suitable nomenclature for parameters distinct from the column names and internal variables. This would help quicker debugging of the stored procedures besides enhancing the readability. Else in a quick bout of enthusiasm a statement like   if (@CustomerID = @CustomerID) [when the latter is intended to denote the column name and there is a superflous @ prepended], zeroing in on the problem would be little tricky. Had there been a still powerful nomenclature rules then debugging would have been more straight-forward and simpler right?

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• SEO and external sites that serve responsive images (like Re-SRC)

  - by Baumr

  Re-SRC is a tool that allows you to automatically serve responsive images for your website from their cloud servers. It delivers a new image file each time the browser window (viewport) is resized. To use it in your HTML when linking to an image, you would do the following: <img src="http://app.resrc.it//www.your-domain.com/img/img001.jpg"/> Some more background for SEO considerations: As an example, looking at their demo page's code, the src of the Arc de Triomphe photo — when the browser window is resized to be at a tablet-width — shows this particular file at it's widest. It is found under the following URL: http://app4-uk.resrc.it/s=w560,pd1/ro=h//www.resrc.it/img/demo/demo-image-1.jpg If the viewport is increased to desktop-width, then a smaller image is served in line with the design; see this URL: http://app4-uk.resrc.it/s=w320,pd1/ro=h//www.resrc.it/img/demo/demo-image-1.jpg If I change the viewport to be about half-way between those two, then the image's URL is: http://app4-uk.resrc.it/s=w240,pd1/ro=h//www.resrc.it/img/demo/demo-image-1.jpg In other words, I found that there is a separate file for every 10-pixel increment of the image width. Very cool for saving bandwidth on mobile devices and service responsive/retina images on others, but... Here are two problems I see for SEO: The img on your site, part of your semantic markup, will not be hosted on your site at all, or even a server you control. Any links to these images will pass on "link juice" to Re-SRC's site instead. You are serving a vast array of different image files to different people — some may link to one, others to another size. Then there's the question of what different search engine crawlers will see. Also: There seems to be no fallback option if their servers are down. Do you see any other concerns? Or, perhaps, do you not see those as concerns?

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• Messaging with KnockoutJs

  - by Aligned

  MVVM Light has Messaging that helps keep View Models decoupled, isolated, and keep the separation of concerns, while allowing them to communicate with each other. This is a very helpful feature. One View Model can send off a message and if anyone is listening for it, they will react, otherwise nothing will happen. I now want to do the same with KnockoutJs View Models. Here are some links on how to do this: http://stackoverflow.com/questions/9892124/whats-the-best-way-of-linking-synchronising-view-models-in-knockout http://www.knockmeout.net/2012/05/using-ko-native-pubsub.html ~ this is a great article describing the ko.subscribable type. http://jsfiddle.net/rniemeyer/z7KgM/ ~ shows how to do the subscription https://github.com/rniemeyer/knockout-postbox will be used to help with the PubSub (described in the blog post above) through the Nuget package. http://jsfiddle.net/rniemeyer/mg3hj/ of knockout-postbox   Implementation: Use syncWith for two-way synchronization. MainVM: self.selectedElement= ko.observable().syncWith (“selectedElement”); ElementListComponentVM example: self.selectedElement= ko.observable().syncWith(“selectedElement”); ko.selectedElement.subscribe(function(){ // do something with the seletion change }); ElementVMTwo: self.selectedElement= ko.observable().syncWith (“selectedElement”); // subscribe example ko.postbox.subscribe(“changeMessage”, function(newValue){ }); // or use subscribeTo this.visible = ko.observable().subscribeTo("section", function(newValue) { // do something here }); · Use ko.toJS to avoid both sides having the same reference (see the blog post). · unsubscribeFrom should be called when the dialog is hidden or closed · Use publishOn to automatically send out messages when an observable changes o ko.observable().publishOn(“section”);

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• Triple-display setup using AMD drivers

  - by Halik

  I am currently running a dual display setup with nVidia 8800GTS video card, on a Ubuntu 12.10 box. The current setup uses nVidia TwinView to render the image on a 1920x1200 display and 1600x1200 one. I'm planning to add a third, 1280x1024 display to the setup. The change will require me to upgrade my GFX card to one supporting triple displays. I'll probably go with Sapphire Radeon 7770 (FLEX edition, to avoid additional active DP-DVI adapters). Before I invest in new GFX I wanted to ask - how well the AMD drivers will support such a setup. It does not matter whether it's fglrx or the OSS ones. If I remember correctly, when running Fedora on a Radeon x800, I had 'void' areas above and below the working area on my second display. The desktop was rendered in 1920+1280 width and 1200 height (which left 176px of vertical space accessible for my cursor and windows but not displayed on the screen - I'd prefer to avoid that). It may have very well been my misconfiguration back then. Generally, are there any solutions from AMD on par with TwinView? Or is it a non-issue at all? Also, I'm wondering about the usual stuff - hardware h264 decoding support, glitch-free flash support, any issues with Compiz/Unity?

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• How can I create an orthographic display that handles different screen dimensions?

  - by Piku

  I'm trying to create an iPad/iPhone game using GLES2.0 that contains a 3D scene with a heads-up-display/GUI overlaid on the top. However, this problem would also apply if I were to port my game to a computer and run the game in a resizable window, or allow the user to change screen resolutions... When trying to make the 2D GUI/HUD work I've made the assumption that all I'm really doing is drawing a load of 2D textured 'quads' on the screen and am trying to treat the orthographic projection as an old-style 2D display with 0,0 in the upper left and screenWidth,ScreenHeight in the lower right. This causes me all sorts of confusion when I rotate my ipad into Landscape mode since I can't work out what to put into my projection and modelview matrices to turn everything around the right way. It also gets messy if I want to support the iPad's large screen, an iPhone or a Retina display since I have to then draw three sets of textures for everything and work out which ones to use. Should I be trying to map the 2D OpenGL co-ords 1:1 with the screen? While typing out this question it occurs to me that I could keep my origin in the centre, still running -1/+1 along the axes. This would let me scale my 2D content appropriately on the different screen sizes, but wouldn't I end up with the textures being scaled and possibly losing quality? I'm using OpenGLES 2.0 and have a matrix library that has equivalents to the GLES1.1 glOrthof() and glFrustrum() calls.

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• Does Google Analytics exclude Campaign traffic from Facebook in the Social reports?

  - by user1612223

  For a while we have used campaign tags when putting posts on Facebook so that we can run campaign reports in Google analytics on those links. However it appears that traffic from those links are being excluded in Google's Social reports. For example between 7/20 and 8/19 I'm seeing 123 Visits where Facebook is the source in my Campaigns report, but only 29 Visits where Facebook is the source in my Social Sources report. Main questions: Does Google exclude campaign traffic from it's social reports? If it does, is there any way to reconcile that so that the traffic shows up in both reports? If it doesn't, what could be causing the vast discrepancy? One observer noted that we are setting the Medium to "Post" when passing the campaign parameters, and that Google may only allow "Referral" traffic in it's social reports (Just speculation). In that case we could potentially change the Medium to "Referral", but that would undermine some of our strategy in being able to set different mediums. I have also considered that maybe the campaign traffic came to the site several times, and the social report may count the same user as less visits, however over 70% of the Facebook campaign traffic is new traffic, so at a minimum there would need to be over 85 Visits on the Social side for that argument to be valid. I've done several searches for any information on this topic, and haven't run across much of anything. I did post the same question on Google's Product Forum and have not gotten a response. The title of that question was 'Facebook Campaign Traffic Not Showing in Social Reports'. The inability to pass campaign data on Facebook posts would make evaluating the performance of those specific posts very difficult, so I'm hoping there is a solution to this.

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• Impact Earth Lets You Simulate Asteroid Impacts

  - by Jason Fitzpatrick

  If you’re looking for a little morbid simulation to cap off your Friday afternoon, this interactive asteroid impact simulator makes it easy to the results of asteroid impacts big and small. The simulator is the result of a collaboration between Purdue University and the Imperial College of London. You can adjust the size, density, impact angle, and impact velocity of the asteroid as well as change the target from water to land. The only feature missing is the ability to select a specific location as the point of impact (if you want to know what a direct strike to Paris would yield, for example, you’ll have to do your own layering). Once you plug all that information in, you’re treated to a little 3D animation as the simulator crunches the numbers. After it finishes you’ll see a breakdown of a variety of effects including the size of the crater, the energy of the impact, seismic effects, and more. Hit up the link below to take it for a spin. Impact Earth [via Boing Boing] How To Delete, Move, or Rename Locked Files in Windows HTG Explains: Why Screen Savers Are No Longer Necessary 6 Ways Windows 8 Is More Secure Than Windows 7

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• kismet on BCM43227

  - by Uttam Baroi

  I am trying to monitor wireless on Broadcom BCM43227, I used sudo airmon-ng to run the monitoring, i get command not found. I installed kismet, when i run, i get this *uttam@UT:~$ sudo kismet Launching kismet_server: //usr/bin/kismet_server Suid priv-dropping disabled. This may not be secure. No specific sources given to be enabled, all will be enabled. Non-RFMon VAPs will be destroyed on multi-vap interfaces (ie, madwifi-ng) Enabling channel hopping. Enabling channel splitting. NOTICE: Disabling channel hopping, no enabled sources are able to change channel. Source 0 (addme): Opening none source interface none... FATAL: Please configure at least one packet source. Kismet will not function if no packet sources are defined in kismet.conf or on the command line. Please read the README for more information about configuring Kismet. Kismet exiting. Done. uttam@UT:~$* I did check a blog about kismet on Broadcom that says about some binary drivers not allowing to do it... I used iwconfig and it says no extension : what is that well I need to give a hand on air monitoring............ help, how to do it

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• Cron prepending filename to script output

  - by Caitifty

  I'm having an issue with unwanted lines being added to files output by a cron job. I have a script in /etc/cron.hourly which selects some data from a mysql database and saves it in a text file in /var/www. When I run the script as root, it does exactly what I expect it to do. When the script is executed by cron, it creates the same file, but prepends the following three lines at the top of the output file: :::::::::::::: /var/www/outputfilename :::::::::::::: I can't for the life of me work out how to stop this unwanted behavior. The line in /etc/crontab for cron.hourly is the default "44 * * * * root cd / && run-parts --report /etc/cron.hourly". If I use su to change to being root and do "cd / && run-parts --report /etc/cron.hourly" the script runs as expected and the output doesn't have the mysterious additional 3 lines. I've also tried removing the --report flag from the run-parts command in case that was somehow connected, but no joy. Finally, perusing the cron log output in /var/log/syslog just says cron.hourly ran without giving any additional information. Any suggestions on solving this weird problem most welcome..

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• implementing dynamic query handler on historical data

  - by user2390183

  EDIT : Refined question to focus on the core issue Context: I have historical data about property (house) sales collected from various sources in a centralized/cloud data source (assume info collection is handled by a third party) Planning to develop an application to query and retrieve data from this centralized data source Example Queries: Simple : for given XYZ post code, what is average house price for 3 bed room house? Complex: What is estimated price for an house at "DD,Some Street,XYZ Post Code" (worked out from average values of historic data filtered by various characteristics of the house: house post code, no of bed rooms, total area, and other deeper insights like house building type, year of built, features)? In addition to average price, the application should support other property info ** maximum, or minimum price..etc and trend (graph) on a selected property attribute over a period of time**. Hence, the queries should not enforce the search based on a primary key or few fixed fields In other words, queries can be What is the change in 3 Bed Room house price (irrespective of location) over last 30 days? What kind of properties we can get for X price (irrespective of location or house type) The challenge I have is identifying the domain (BI/ Data Analytical or DB Design or DB Query Interface or DW related or something else) this problem (dynamic query on historic data) belong to, so that I can do further exploration My findings so far I could be wrong on the following, so please correct me if you think so I briefly read about BI/Data Analytics - I think it is heavy weight solution for my problem and has scalability issues. DB Design - As I understand RDBMS works well if you know Data model at design time. I am expecting attributes about property or other entity (user) that am going to bring in, would evolve quickly. hence maintenance would be an issue. As I am going to have multiple users executing query at same time, performance would be a bottleneck Other options like Graph DB (http://www.tinkerpop.com/) seems to be bit complex (they are good. but using those tools meant for generic purpose, make me think like assembly programming to solve my problem ) BigData related solution are to analyse data from multiple unrelated domains So, Any suggestion on the space this problem fit in ? (Especially if you have design/implementation experience of back-end for property listing or similar portals)

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• MongoDB: Replicate data in documents vs. “join”

  - by JavierCane

  Disclaimer: This is a question derived from this one. What do you think about the following example of use case? I have a table containing orders. These orders has a lot of related information needed by my current queries (think about the products; the buyer information; the region, country and state of the sale point; and so on) In order to think with a de-normalized approach, I don't have to put identifiers of these related items in my main orders collection. Instead, I have to repeat all the information for each order (ie: I will repeat the buyer's name, surname, etc. for each of its orders). Assuming the previous premise, I'm committing to maintain all the data related to an order without a lot of updates (because if I modify the buyer's name, I'll have to iterate through all orders updating the ones made by the same buyer, and as MongoDB blocks at a document level on updates, I would be blocking the entire order at the update moment). I'll have to replicate all the products' related data? (ie: category, maker and optional attributes like color, size…) What if a new feature is requested and I've to make a lot of queries with the products "as the entry point of the query"? (ie: reports showing the products' sales performance grouping by region, country, or whatever) Is it fair enough to apply the $unwind operation to my orders original collection? (What about the performance?) I should have to do another collection with these queries in mind and replicate again all the products' information (and their orders)? Wouldn't be better to store a product_id in the original orders collection in order to be more tolerable to requirements change? (What about emulating JOINs?) The optimal approach would be a mixed solution with a RDBMS system like MySQL in order to retrieve the complete data? I mean: store products, users, and location identifiers in the orders collection and have queries in MySQL like getAllUsersDataByIds in which I would perform a SELECT * FROM users WHERE user_id IN ( :identifiers_retrieved_from_the_mongodb_query )

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• LAMP setup - phpmyadmin says the mysqli extension is missing (but its listed in phpinfo)

  - by WebweaverD

  I regularly set up virtualbox ubuntu setups to run as local webservers. I have set these up several times and never had an issue. Recently I have been cloning them but wanted to do a fresh install this time in the hopes of fixing some niggling problems which have propagated through my setups. However, something has changed: 1)vb guest additions no longer allow me to copy and paste (i'll worry about that later) 2)more importantly phpmyadmin no longer works as installed - Initially going to localhost/phpmyadmin gave a message that the page could not be found. So I have followed some instructions (sorry I know its vague I cant find them now) which have created a phpmyadmin directory in /var/www but now I get an error saying: the mysqli extension is missing. If I run phpinfo mysql and mysqli are listed. All I have done so far is install apache2 (working) install php5 (which I think used to come with apache) Install mysql server (and client for good measure) and install phpmyadmin I found a post of a similar question which suggested I should install php5-mysql (done) and edit php.ini and uncomment the line extension-mysqli.so - this is not there, so I tried adding it with no joy. I have restarted apache and still no joy on phpmyadmin. Any help is much appreciated as this is driving me nuts. Why the change for the worse - I was just starting to like linux! I'm running a windows 7 machine and the guest os is ubuntu 12.04 - I ran apt-get update before doing anything so all packages should be the latest versions.

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• Making a class pseudo-immutable by setting a flag

  - by scott_fakename

  I have a java project that involves building some pretty complex objects. There are quite a lot (dozens) of different ones and some of them have a HUGE number of parameters. They also need to be immutable. So I was thinking the builder pattern would work, but it ends up require a lot of boilerplate. Another potential solution I thought of was to make a mutable class, but give it a "frozen" flag, a-la ruby. Here is a simple example: public class EqualRule extends Rule { private boolean frozen; private int target; public EqualRule() { frozen = false; } public void setTarget(int i) { if (frozen) throw new IllegalStateException( "Can't change frozen rule."); target = i; } public int getTarget() { return target; } public void freeze() { frozen = true; } @Override public boolean checkRule(int i) { return (target == i); } } and "Rule" is just an abstract class that has an abstract "checkRule" method. This cuts way down on the number of objects I need to write, while also giving me an object that becomes immutable for all intents and purposes. This kind of act like the object was its own Builder... But not quite. I'm not too excited, however, about having an immutable being disguised as a bean however. So I had two questions: 1. Before I go too far down this path, are there any huge problems that anyone sees right off the bat? For what it's worth, it is planned that this behavior will be well documented... 2. If so, is there a better solution? Thanks

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• Smooth drag scrolling of an Isometric map - Html5

  - by user881920

  I have implemented a basic Isometric tile engine that can be explored by dragging the map with the mouse. Please see the fiddle below and drag away: http://jsfiddle.net/kHydg/14/ The code broken down is (CoffeeScript): The draw function draw = -> requestAnimFrame draw canvas.width = canvas.width for row in [0..width] for col in [0..height] xpos = (row - col) * tileHeight + width xpos += (canvas.width / 2) - (tileWidth / 2) + scrollPosition.x ypos = (row + col) * (tileHeight / 2) + height + scrollPosition.y context.drawImage(defaultTile, Math.round(xpos), Math.round(ypos), tileWidth, tileHeight) Mouse drag-scrolling control scrollPosition = x: 0 y: 0 dragHelper = active: false x: 0 y: 0 window.addEventListener 'mousedown', (e) => handleMouseDown(e) , false window.addEventListener 'mousemove', (e) => handleDrag(e) , false window.addEventListener 'mouseup', (e) => handleMouseUp(e) , false handleDrag = (e) => e.preventDefault() if dragHelper.active x = e.clientX y = e.clientY scrollPosition.x -= Math.round((dragHelper.x - x) / 28) scrollPosition.y -= Math.round((dragHelper.y - y) / 28) handleMouseUp = (e) => e.preventDefault() dragHelper.active = false handleMouseDown = (e) => e.preventDefault() x = e.clientX y = e.clientY dragHelper.active = true dragHelper.x = x dragHelper.y = y The Problem As you can see from the fiddle the dragging action is ok but not perfect. How would I change the code to make the dragging action more smooth? What I would like is the point of the map you click on to stay under the mouse point whilst you drag; the same as they have done here: http://craftyjs.com/demos/isometric/

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• Software Manager who makes developers do Project Management

  - by hdman

  I'm a software developer working in an embedded systems company. We have a Project Manager, who takes care of the overall project schedule (including electrical, quality, software and manufacturing) hence his software schedule is very brief. We also have a Software Manager, who's my boss. He makes me write and maintain the software schedule, design documents (high and low level design), SRS, change management, verification plans and reports, release management, reviews, and ofcourse the software. We only have one Test Engineer for the whole software team (10 members), and at any given time, there are a couple of projects going on. I'm spending 80% of my time making these documents. My boss comes from a Process background, and believes what we need is better documentation to improve software: (1) He considers the design to be paramount, coding is "just writing the design down", it shouldn't take too long, and "all the code should be written before the hardware is ready". (2) Doesn't understand the difference between a Central & Distributed Version control, even after we told him its easier to collaborate with a distributed model. (3) Doesn't understand code, and wants to understand every bug and its proposed solution. (4) Believes verification should be done by developer, and validation by the Tester. Thing is though, our verification only checks if implementation is correct (we don't write unit tests, its never considered in the schedule), and validation is black box testing, so the units tests are missing. I'm really confused. (1) Am I responsible for maintaining all these documents? It makes me feel like I'm doing the Software Project Management, in essence. (2) I don't really like creating documents, I want to solve problems and write code. In my experience, creating design documents only helps to an extent, its never the solution to better or faster code. (3) I feel the boss doesn't really care about making better products, but only about being a good manager in the eyes of the management. What can I do?

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• How to implement Restricted access to application features

  - by DroidUser

  I'm currently developing a web application, that provides some 'service' to the user. The user will have to select a 'plan' according to which she/he will be allowed to perform application specific actions but up to a limit defined by the plan. A Plan will also limit access to certain features, which will not be available at all for some plans. As an example : say there are 3 plans, 2 actions throughout the application users in plan-1 can perform action-1 3 times, and they can't perform action-2 at all users in plan-2 can perform action-1 10 times, action-2 5 times users in plan-3 can perform action-1 20 times, action-2 10 times So i'm looking for the best way to get this done, and my main concerns besides implementing it, are the following(in no particular order) maintainability/changeability : the number of plans, and type of features/actions will change in the final product industry standard/best practice : for future readiness!! efficiency : ofcourse, i want fast code!! I have never done anything like this before, so i have no clue about how do i go about implementing these functionalities. Any tips/guides/patterns/resources/examples? I did read a little about ACL, RBAC, are they the patterns that i need to follow? Really any sort of feedback will help.

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• CodePlex Daily Summary for Sunday, October 28, 2012

  CodePlex Daily Summary for Sunday, October 28, 2012Popular ReleasesPlayer Framework by Microsoft: Player Framework for Windows 8 (Preview 7): This release is compatible with the version of the Smooth Streaming SDK released today (10/26). Release 1 of the player framework is expected to be available next week. IMPROVEMENTS & FIXESIMPORTANT: List of breaking changes from preview 6 Support for the latest smooth streaming SDK. Xaml only: Support for moving any of the UI elements outside the MediaPlayer (e.g. into the appbar). Note: Equivelent changes to the JS version due in coming week. Support for localizing all text used in t...Send multiple SMS via Way2SMS C#: SMS 1.1: Added support for 160by2Quick Launch: Quick Launch 1.0: A Lightweight and Fast Way to Manage and Launch Thousands of Tools and ApplicationsPress Win+Q and start to search and run. http://www.codeplex.com/Download?ProjectName=quicklaunch&DownloadId=523536Orchard Project: Orchard 1.6: Please read our release notes for Orchard 1.6: http://docs.orchardproject.net/Documentation/Orchard-1-6-Release-Notes Please do not post questions as reviews. Questions should be posted in the Discussions tab, where they will usually get promptly responded to. If you post a question as a review, you will pollute the rating, and you won't get an answer.ZXMAK2: Version 2.6.7.0: - small performance improvements - fix & improvements for Direct3D renderer (thanks to zebest for testing)Media Companion: Media Companion 3.507b: Once again, it has been some time since our release, and there have been a number changes since then. It is hoped that these changes will address some of the issues users have been experiencing, and of course, work continues! New Features: Added support for adding Home Movies. Option to sort Movies by votes. Added 'selectedBrowser' preference used when opening links in an external browser. Added option to fallback to getting runtime from the movie file if not available on IMDB. Added new Big...MSBuild Extension Pack: October 2012: Release Blog Post The MSBuild Extension Pack October 2012 release provides a collection of over 475 MSBuild tasks. A high level summary of what the tasks currently cover includes the following: System Items: Active Directory, Certificates, COM+, Console, Date and Time, Drives, Environment Variables, Event Logs, Files and Folders, FTP, GAC, Network, Performance Counters, Registry, Services, Sound Code: Assemblies, AsyncExec, CAB Files, Code Signing, DynamicExecute, File Detokenisation, GUI...NAudio: NAudio 1.6: Release notes at http://mark-dot-net.blogspot.co.uk/2012/10/naudio-16-release-notes-10th.htmlPowerShell Community Extensions: 2.1 Production: PowerShell Community Extensions 2.1 Release NotesOct 25, 2012 This version of PSCX supports both Windows PowerShell 2.0 and 3.0. See the ReleaseNotes.txt download above for more information.Umbraco CMS: Umbraco 4.9.1: Umbraco 4.9.1 is a bugfix release to fix major issues in 4.9.0 BugfixesThe full list of fixes can be found in the issue tracker's filtered results. A summary: Split buttons work again, you can now also scroll easier when the list is too long for the screen Media and Content pickers have information of the full path of the picked item Fixed: Publish status may not be accurate on nodes with large doctypes Fixed: 2 media folders and recycle bins after upgrade to 4.9 The template/code ...AcDown????? - AcDown Downloader Framework: AcDown????? v4.2.2: ??●AcDown??????????、??、??、???????。????，????，?????????????????????????。???????????Acfun、????(Bilibili)、??、??、YouTube、??、???、??????、SF????、????????????。 ●??????AcPlay?????，??????、????????????????。 ● AcDown??????????????????，????????????????????????????。 ● AcDown???????C#??，????.NET Framework 2.0??。?????"Acfun?????"。 ????32??64? Windows XP/Vista/7/8 ???? 32??64? ???Linux ????(1)????????Windows XP???，????????.NET Framework 2.0???(x86)，?????"?????????"??? (2)???????????Linux???，????????Mono?? ??2...Rawr: Rawr 5.0.2: This is the Downloadable WPF version of Rawr!For web-based version see http://elitistjerks.com/rawr.php You can find the version notes at: http://rawr.codeplex.com/wikipage?title=VersionNotes Rawr Addon (NOT UPDATED YET FOR MOP)We now have a Rawr Official Addon for in-game exporting and importing of character data hosted on Curse. The Addon does not perform calculations like Rawr, it simply shows your exported Rawr data in wow tooltips and lets you export your character to Rawr (including ba...MCEBuddy 2.x: MCEBuddy 2.3.5: Changelog for 2.3.5 (32bit and 64bit) 1. Fixed a bug causing MCEBuddy to crash during or after installation on Windows XP 2. Bugfix for resource leak with UPnP which would lead to a failure after many days 3. Increased the UPnP discovery re-scan interval from 10 minutes to 30 minutes 4. Added support for specifying TVDB and IMDB id’s in the conversion task page (forcing the internet lookup for metadata)CRM 2011 Visual Ribbon Editor: Visual Ribbon Editor (1.3.1025.5): [NEW] Support for connecting to CRM Online via Office 365 (OSDP) [NEW] Current connection information and loaded ribbon name are displayed in the status bar [IMPROVED] Connect dialog minor improvements and error message descriptions [IMPROVED] Connecting to a CRM server will close currently loaded ribbon upon confirmation (if another ribbon was loaded previously) [FIX] Fixed bug in Open Ribbon dialog which would not allow to refresh entity list more than onceReadable Passphrase Generator: KeePass Plugin 0.8.0: Changes: Interrogative phrases (questions) like why did the statesman burgle amidst lucid sunlamps Support transitive / intransitive verbs (whether a verb needs a subject or not). Change adverbs to be either before or after the verb, at random. Add an "equal" version of each strength, where each possibility is equally likely (for password purists). 3401 words in the default dictionary (~400 more than previous release) Fixed bugs when choosing verb tenseseWay payment gateway provider for NB_Store: NB_Store_Gateway_eWay: Install package for eWAY gateway for NB_Store.fastJSON: v2.0.9: - added support for root level DataSet and DataTable deserialize (you have to do ToObject<DataSet>(...) ) - added dataset testsMicrosoft Ajax Minifier: Microsoft Ajax Minifier 4.72: Fix for Issue #18819 - bad optimization of return/assign operator.WPF Application Framework (WAF): WPF Application Framework (WAF) 2.5.0.390: Version 2.5.0.390 (Release Candidate): This release contains the source code of the WPF Application Framework (WAF) and the sample applications. Requirements .NET Framework 4.0 (The package contains a solution file for Visual Studio 2010) The unit test projects require Visual Studio 2010 Professional Changelog Legend: [B] Breaking change; [O] Marked member as obsolete WAF: Fix recent file list remove issue. WAF: Minor code improvements. BookLibrary: Fix Blend design time support o...Fiskalizacija za developere: FiskalizacijaDev 1.1: Ovo je prva nadogradnja ovog projekta nakon inicijalnog predstavljanja - dodali smo nekoliko feature-a, bilo zato što smo sami primijetili da bi ih bilo dobro dodati, bilo na osnovu vaših sugestija - hvala svima koji su se ukljucili :) Ovo su stvari riješene u v1.1.: 1. Bilo bi dobro da se XML dokument koji se šalje u CIS može snimiti u datoteku (http://fiskalizacija.codeplex.com/workitem/612) 2. Podrška za COM DLL (VB6) (http://fiskalizacija.codeplex.com/workitem/613) 3. Podrška za DOS (unu...New ProjectsAnalytics for Windows 8: SIlverlight / WPF User control integrated in WPF / SILVERLIGHT / WINDOWS PHONE Apps in order to collect user data ( Action , Timespan etc ) . bGui - User Interfaces in Batch: A small project for allowing basic user interface creation in batch. Still under strict development, see documentation for current functionality.Blog Projects: Projects wich i use in my blog postsCloud Sync Service: This Windows Service lets you sync your files across other machines by using Cloud File Storage as gateway. Amazon S3 and Windows Azure supported.CocoaVP8: CocoaVP8 is a dual-licensed commercial/GPL native library which allows Mac and iOS applications to easily use the VP8 video codec.DarkSky Orchard Microdata: Microdata is an Orchard module that exposes a MicrodataPart that will render microdata for your content items.Gerenciador Paroquial: Um conjunto de ferramentas desenvolvido para auxiliar a administração de comunidades eclesiásticas episcopais.Quick Launch: Quick Launch - a New Lightweight and Fast Way to Manage and Launch Thousands of Tools and ApplicationsRDI Alef: RDI ALEF (ALef Entities Framework) é uma biblioteca desenvolvida em C# para persistência de objetos em um banco de dados. Encapsula um manipulador SQL e o funciSend multiple SMS via Way2SMS C#: Way2SMS, 160BY2, SMS, INDIATrending: Trending program; calculates the highest and lowest changes in frequency of specific words in two files.

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• Disabling monitor reconfiguration when closing lid

  - by Tomas

  I often need to move my laptop from one working place to another. When I do this, there are two events Ubuntu responds to by changing the monitor set up: Removing/attaching the VGA cable Closing/opening the lid of the laptop While removing the VGA cable gives me what I need (single screen, highest native resolution on the external screen if connected; otherwise highest resolution on the laptop), the laptop close/open lid response is not as good. Every time I close or open the lid, Ubuntu reconfigures the monitor set up. When I close the lid now... the screen goes black for a few seconds and it switches to clone, with my laptop screen disabled. Reopening results in... briefly a black screen, then the external monitor being used as desktop extension. Ubuntu thinks too much. My first and foremost question: Is there any way to let Ubuntu ignore lid close events? Ideally (or when there's no way to solve above question) I'd want to change how it deals with the screen reconfiguration. Why does Ubuntu toggle the screen configuration between external, clone and single display? Can't I just configure it to always use the external monitor, when present, in single screen mode? Note that similar questions have been asked before (most notably this one), but these have been closed perhaps wrongly. Any ideas are very welcome, I don't mind playing around a bit to see if something works.

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• Git repo: Unravelling my mess into tidy branches

  - by Martin

  I wanted to play with a project, so git cloned it and, following its instructions, created a local branch for my configuration (I guess so that users can merge updates back). At first I was just tweaking to suit my preferences, so I didn't bother with any further branching, but now I have some code that might be useful to someone else, but with my passwords, etc in the same branch. Effectively, I have one big branch from which I'd like to have: Postgres backend (default) but with some new code I've added MySQL backend (the biggest change I've made) with that same new code My settings: I can't git ignore the settings file because I occasionally have to add sections for new functionality, but I need to keep my personal settings out of the public branches! I guess this would work best as a local-only branch. Dev branches, which I would branch from the MySQL. Starting from scratch, I think I could figure out how to branch/merge the various updates, but is there an easy way to walk through the existing repo and choose which commits to apply to which branch? Or possibly create a branch from a point upstream then merge back, excluding certain commits?

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• How can I get a user account back?

  - by Ilan

  With all my computers I make one partition for the root and another for /home. This is useful for disasters where I need to reformat the root for ubuntu, but leave my /home data untouched. With the upgrade to 13.10 I had troubles on my wife's computer so I reinstalled 13.10. My own /home files came up, as expected, as if nothing had happened. For my wife, it is a different story - and that is the part where I need help. If I go into Files, computer I can see the home directory. There I can see ilan (my files) and yona (my wife's files). I can open yona, documents and see all her work. This means that all is well and I just need to hook up to her files. So the problem is that I need to create a user called Yona or yona, but something which will get me to exactly the files of interest. I'm not sure if I created her account as standard or an administrator. Is there any way I could tell by looking at the files in /home? I created a new user called Yona as a standard user (hoping that this is the right guess). The account came up as disabled. I pressed on the disabled button so I could change the password. I put in her password but it was refused as too short. Too short, too short, but that is what was used and that is what I need. Can anyone help me before my wife comes home and shoots me? Thanks, Ilan

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