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• Customizing JBar for Notifications

  - by Ryan Ohs

  Lately I've been using JBar, a very neat jQuery plugin for displaying notifications in my web applications. Unfortunately the original version of JBar only supports binding to the click event of a DOM item. In order to get around this limitation I have modified the source code and posted an updated version on my GitHub account here. The modified version allows you to display a JBar notification by calling a method. I typically use it to display succes or failure messages when doing Ajax calls. I have also included some additional CSS and JS so that you can diplay different styles of notifications. showNotification(message) shows a green "success" message. showWarning(message) shows an orange "warning" message. showMessage(message, className) allows you to specify a custom class to apply to the notification for additional styling purposes. A web page with samples is included.   Get the code here.

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• Executing Stored Procedures and Functions From PHP in Windows

  Discover how to call stored procedures and functions in MySQL from PHP using three database extensions: MySQL, MySQLi, and PDO.

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• Strange javascript error when using Kongregates API

  - by Phil

  In the hopes of finding a fellow unity3d developer also aiming for the Kongregate contest.. I've implemented the Kongregate API and can see that the game receives a call with my username and presents it ingame. I'm using Application.ExternalCall("kongregate.stats.submit",type,amount); where type is a string "Best Score" and amount is an int (1000 or something). This is the error I'm getting: You are trying to call recursively into the Flash Player which is not allowed. In most cases the JavaScript setTimeout function, can be used as a workaround. callASFunction:function(a,b){if(FABrid...tion, can be used as a workaround."); I'm wondering, has anyone else had this error or am I somehow doing something stupid? Thanks!

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• Comunicate NodeJS and PHP

  - by Zenth

  i need ideas to solve this: I have a entire website in PHP (5.2) in a PHP "shared server", only i can use apache+PHP, CGI & NodeJS, no memcached, redis or another software. And i need to comunicate the PHP and the NodeJS Script. My first approach is using socket connection, creating in NodeJS a socket listener and connect to it witch PHP, and then, send commands, whait for response, and close connection (and end PHP Script). To the other side, i can call PHP script via ¿httprequest? ¿or using sockets again? The problem of using sockets fron Node to PHP, i CANT leave PHP script runing with set_time_limit(0) because the fuc... server, need to "call" PHP for another way. The NodeJS and Apache + PHP are in the same machine, i need to make the code for the fast response time (sockets better than web-calls). Better ideas or other solutions? thanks!

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• GConf Error: No D-BUS daemon running?! How to reinstall or fix?

  - by v2r

  After installing Konquerer and restarting my laptop i got the following error while trying to open, edit or access files as root from within Terminal (which is existencial for me). root@linuxBox:/home/v2r# gnome-open /home/ (gnome-open:2686): GConf-WARNING **: Client failed to connect to the D-BUS daemon: //bin/dbus-launch terminated abnormally with the following error: No protocol specified Autolaunch error: X11 initialization failed. GConf Error: No D-BUS daemon running root@linuxBox:/home/v2r# No protocol specified Could not parse arguments: Cannot open display: Also it seems, that dbus is not installed properly anymore in /bin/ and /usr/bin/ See screenshot: How would i go about fixing this problem and thank you in advance?!!! Thank you for your answer SirCharlo! It does not resolve the problem at all. Please note, that it only happens while beeing root! root@linuxBox:/home/v2r# gnome-open /home/ (gnome-open:5170): GConf-WARNING **: Client failed to connect to the D-BUS daemon: Failed to connect to socket /tmp/dbus-2RdCUjrZ9k: Connection refused GConf Error: No D-BUS daemon running root@linuxBox:/home/v2r# No protocol specified Could not parse arguments: Cannot open display:

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• Why doesn't my graphic card software support 1280*1024?

  - by Allwar

  Hi, I have an external monitor which is an 20" 1280*1024. In windows 7 it works fine with that resolution but in ubuntu it can't. Example: In windows I connect it and activates it, done. In ubuntu I connect and the only resolution that is available is the ones my laptop screen support, 12" 1366*768. My laptop is an asus 1201n. If I force it to use 1280*1024 both screen crashes and i have to force a reboot. When I force it I only force the external monitor, the laptop is already at maximum 1366*768. I connect it throw VGA. ((The graphic card supports 1280*1024 in windows 7, #Fail)) alvar@alvars-laptop:~$ disper -l display DFP-0: HSD121PHW1 resolutions: 320x175, 320x200, 360x200, 320x240, 400x300, 416x312, 512x384, 640x350, 576x432, 640x400, 680x384, 720x400, 640x480, 720x450, 640x512, 700x525, 800x512, 840x525, 800x600, 960x540, 832x624, 1024x768, 1366x768 display CRT-0: CRT-0 resolutions: 320x240, 400x300, 512x384, 680x384, 640x480, 800x600, 1024x768, 1152x864, 1360x768

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• How to install Intel VGA drive..?

  - by Ary Catur Wicaksono

  how to install intel VGA drive..?? I've been searching on google but did not see too I've been trying to ask the ubuntu forum in Indonesia. but they did not reply my post.. is there anything that can help me? *I am sorry my English is rather chaotic arthur@Chunx:~$ lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation 82G33/G31 Express Integrated Graphics Controller (rev 10) arthur@Chunx:~$ sudo lshw -c display [sudo] password for arthur: *-display description: VGA compatible controller product: 82G33/G31 Express Integrated Graphics Controller vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 10 width: 32 bits clock: 33MHz capabilities: msi pm vga_controller bus_master cap_list rom configuration: driver=i915 latency=0 resources: irq:42 memory:fea80000-feafffff ioport:dc00(size=8) memory:e0000000-efffffff memory:fe900000-fe9fffff arthur@Chunx:~$ sudo apt-get install xserver-xorg-video-intel Sedang membaca daftar paket... Selesai Membangun pohon ketergantungan Membaca informasi yang tersedia... Selesai xserver-xorg-video-intel telah berada dalam versi terbaru. 0 dimutakhirkan, 0 baru terinstal, 0 akan dihapus dan 190 tidak akan dimutakhirkan.

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• My server is behind a router. How can I see my website correctly? [closed]

  - by Tokyo Dan

  I'm running a web server (Ubuntu) on my local home network. I'm behind a router. On the WAN I have a direct IP. When not on my home network and accessing my website via the WAN direct IP my website displays correctly and everything works. On my home LAN behind the router, accessing my website via the WAN direct gets me to my router's admin login page. This is normal. But... Accessing my website (via it's home LAN IP address) from another computer on my home LAN gets me to the website but the layout display is broken and clicking on any link takes me to the WAN direct IP (my router's Admin login page). How can i get my website to display properly and the links to work when accessing it from my home LAN?

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• How to handle mutiple API calls using javascript/jquery

  - by James Privett

  I need to build a service that will call multiple API's at the same time and then output the results on the page (Think of how a price comparison site works for example). The idea being that as each API call completes the results are sent to the browser immediately and the page would get progressively bigger until all process are complete. Because these API calls may take several seconds each to return I would like to do this via javascript/jquery in order to create a better user experience. I have never done anything like this before using javascript/jquery so I was wondering if there was any frameworks/advice that anyone would be willing to share.

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• Redgate ANTS Performance Profiler

  - by Jon Canning

  Seemingly forever I've been working on a business idea, it's a REST API delivering content to mobiles, and I've never really had much idea about its performance. Yes, I have a suite of unit tests and integration tests, but these only tell me that it works, not how well it works. I was also about to embark on a major refactor, swapping the database from MongoDB to RavenDB, and was curious to see if that impacted performance at all, so I needed a profiler that supported IIS Express that I can run my integration tests against, and Google gave me:   http://www.red-gate.com/supportcenter/content/ANTS_Performance_Profiler/help/7.4/app_iise   Excellent. Following the above guide an instance of IIS Express and is launched, as is Internet Explorer. The latter eventually becomes annoying, I would like to decide whether I want a browser opened, but thankfully the guide is wrong in that it can be closed and profiling will continue. So I ran my tests, stopped profiling, and was presented with a call tree listing the endpoints called and allowing me to drill down to the source code beneath.     Although useful and fascinating this wasn't what I was expecting to see, I was after the method timings from the entire test suite. Switching Show to Methods Grid presented me with a list of my methods, with the slowest lit up in red at the top. Marvellous.     I did find that if you switch to Methods Grid before Call tree has loaded, you do not get the red warnings.   StructureMap was very busy, and next on the list was a request filter that I didn't expect to be so overworked. Highlighting it, the source code was presented to me in the bottom window with timings and a nice red indicator to show me where to look. Oh horror, that reflection hack I put in months ago, I'd forgotten all about it. It was calling Validate<T>() which in turn was resolving a validator from StructureMap. Note to self, use //TODO: when leaving smelly code lying around.     Before refactoring, remember to Save Profile Results from the File menu. Annoyingly you are not prompted to save your results when exiting, and using Save Project will only leave you thankful that you have version control and can go back in time to run your tests again.   Having implemented StructureMap’s ForGenericType, I ran my tests again and:     Win, thankyou ANTS (What does ANTS stand for BTW?)   There's definitely room in my toolbox for a profiler; what started out as idle curiosity actually solved a potential problem. When presented with a new codebase I can see enormous benefit from getting an overview of the pipeline from the call tree before drilling into the code, and as a sanity check before release it gives a little more reassurance that you've done your best, and shows you exactly where to look if you haven’t.   Next I’m going to profile a load test.

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• Is it better to build HTML Code string on the server or on the client side?

  - by Ionut

  The result of the following process should be a html form. This form's structure varies from one to user. For example there might be a different number of rows or there may be the need for rowspan and colspan. When the user chooses to see this table an ajax call is made to the server where the structure of the table is decided from the database. Then I have to create the html code for the table structure which will be inserted in the DOM via JavaScript. The following problem comes to my mind: Where should I build the HTML code which will be inserted in the DOM? On the server side or should I send some parameters in the ajax call method and process the structure there? Therefore the main question involves good practice when it comes to decide between Server side processing or client side processing. Thank you!

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• Software Center doesn't open (elementary luna - ubuntu 12.04)

  - by zbiba

  When i try to open software center on elementary luna i get the bellow error.... ERROR:root:DebFileApplication import Traceback (most recent call last): File "/usr/share/software-center/softwarecenter/db/init.py", line 4, in from debfile import DebFileApplication, DebFileOpenError File "/usr/share/software-center/softwarecenter/db/debfile.py", line 25, in from softwarecenter.db.application import Application, AppDetails File "/usr/share/software-center/softwarecenter/db/application.py", line 27, in import softwarecenter.distro File "/usr/share/software-center/softwarecenter/distro/init.py", line 198, in distro_instance = _get_distro() File "/usr/share/software-center/softwarecenter/distro/init.py", line 175, in _get_distro distro_class = getattr(module, distro_id) AttributeError: 'module' object has no attribute 'debian' Traceback (most recent call last): File "/usr/sbin/update-software-center", line 38, in from softwarecenter.db.update import rebuild_database File "/usr/share/software-center/softwarecenter/db/update.py", line 33, in from softwarecenter.distro import get_distro File "/usr/share/software-center/softwarecenter/distro/init.py", line 198, in distro_instance = _get_distro() File "/usr/share/software-center/softwarecenter/distro/init.py", line 175, in _get_distro distro_class = getattr(module, distro_id) AttributeError: 'module' object has no attribute 'debian'

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• CodePlex Daily Summary for Friday, December 14, 2012

  CodePlex Daily Summary for Friday, December 14, 2012Popular ReleasesCommand Line Parser Library: 1.9.3.31 rc0: Main assembly CommandLine.dll signed. Removed old commented code. Added missing XML documentation comments. Two (very) minor code refactoring changes.BlackJumboDog: Ver5.7.4: 2012.12.13 Ver5.7.4 (1)Web???????、???????????????????????????????????????????VFPX: ssClasses A1.0: My initial release. See https://vfpx.codeplex.com/wikipage?title=ssClasses&referringTitle=Home for a brief description of what is inside this releasesb0t v.5: sb0t 5.01 alpha 1: GUI support for Spanish language (Thank you Di3go and Oysterhead) Captcha database updates Bug fix where some hosts could not joinHome Access Plus+: v8.6: v8.6.1213.1220 Added: Group look up to the visible property of the Booking System Fixed: Switched to using the outlook/exchange thumbnailPhoto instead of jpegPhoto Added: Add a blank paragraph below the tiles. This means that the browser displays a vertical scroller when resizing the window. Previously it was possible for the bottom edge of a tile not to be visible if the browser window was resized. Added: Booking System: Only Display Day+Month on the booking Home Page. This allows for the cs...Layered Architecture Solution Guidance (LASG): LASG 1.0.0.8 for Visual Studio 2012: PRE-REQUISITES Open GAX (Please install Oct 4, 2012 version) Microsoft® System CLR Types for Microsoft® SQL Server® 2012 Microsoft® SQL Server® 2012 Shared Management Objects Microsoft Enterprise Library 5.0 (for the generated code) Windows Azure SDK (for layered cloud applications) Silverlight 5 SDK (for Silverlight applications) THE RELEASE This release only works on Visual Studio 2012. Known Issue If you choose the Database project, the solution unfolding time will be slow....Fiskalizacija za developere: FiskalizacijaDev 2.0: Prva prava produkcijska verzija - Zakon je tu, ova je verzija uskladena sa trenutno važecom Tehnickom specifikacijom (v1.2. od 04.12.2012.) i spremna je za produkcijsko korištenje. Verzije iza ove ce ovisiti o naknadnim izmjenama Zakona i/ili Tehnicke specifikacije, odnosno, o eventualnim greškama u radu/zahtjevima community-a za novim feature-ima. Novosti u v2.0 su: - That assembly does not allow partially trusted callers (http://fiskalizacija.codeplex.com/workitem/699) - scheme IznosType...Simple Injector: Simple Injector v1.6.1: This patch release fixes a bug in the integration libraries that disallowed the application to start when .NET 4.5 was not installed on the machine (but only .NET 4.0). The following packages are affected: SimpleInjector.Integration.Web.dll SimpleInjector.Integration.Web.Mvc.dll SimpleInjector.Integration.Wcf.dll SimpleInjector.Extensions.LifetimeScoping.dllBootstrap Helpers: Version 1: First releasesheetengine - Isometric HTML5 JavaScript Display Engine: sheetengine v1.2.0: Main featuresOptimizations for intersectionsThe main purpose of this release was to further optimize rendering performance by skipping object intersections with other sheets. From now by default an object's sheets will only intersect its own sheets and never other static or dynamic sheets. This is the usual scenario since objects will never bump into other sheets when using collision detection. DocumentationMany of you have been asking for proper documentation, so here it goes. Check out the...DirectX Tool Kit: December 11, 2012: December 11, 2012 Ex versions of DDSTextureLoader and WICTextureLoader Removed use of ATL's CComPtr in favor of WRL's ComPtr for all platforms to support VS Express editions Updated VS 2010 project for official 'property sheet' integration for Windows 8.0 SDK Minor fix to CommonStates for Feature Level 9.1 Tweaked AlphaTestEffect.cpp to work around ARM NEON compiler codegen bug Added dxguid.lib as a default library for Debug builds to resolve GUID link issuesDNN Flash Viewer: Source (same as default release): SourceArcGIS Editor for OpenStreetMap: ArcGIS Editor for OSM 2.1 Final for 10.1: We are proud to announce the release of ArcGIS Editor for OpenStreetMap version 2.1. This download is compatible with ArcGIS 10.1, and includes setups for the Desktop Component, Desktop Component when 64 bit Background Geoprocessing is installed, and the Server Component. Important: if you already have ArcGIS Editor for OSM installed but want to install this new version, you will need to uninstall your previous version and then install this one. This release includes support for the ArcGIS 1...SharpCompress - a fully native C# library for RAR, 7Zip, Zip, Tar, GZip, BZip2: SharpCompress 0.8.2: This release just contains some fixes that have been done since the last release. Plus, this is strong named as well. I apologize for the lack of updates but my free time is less these days.Media Companion: MediaCompanion3.511b release: Two more bug fixes: - General Preferences were not getting restored - Fanart and poster image files were being locked, preventing changes to themVodigi Open Source Interactive Digital Signage: Vodigi Release 5.5: The following enhancements and fixes are included in Vodigi 5.5. Vodigi Administrator - Manage Music Files - Add Music Files to Image Slide Shows - Manage System Messages - Display System Messages to Users During Login - Ported to Visual Studio 2012 and MVC 4 - Added New Vodigi Administrator User Guide Vodigi Player - Improved Login/Schedule Startup Procedure - Startup Using Last Known Schedule when Disconnected on Startup - Improved Check for Schedule Changes - Now Every 15 Minutes - Pla...VidCoder: 1.4.10 Beta: Added progress percent to the title bar/task bar icon. Added MPLS information to Blu-ray titles. Fixed the following display issues in Windows 8: Uncentered text in textbox controls Disabled controls not having gray text making them hard to identify as disabled Drop-down menus having hard-to distinguish white on light-blue text Added more logging to proxy disconnect issues and increased timeout on initial call to help prevent timeouts. Fixed encoding window showing the built-in pre...WPF Application Framework (WAF): WPF Application Framework (WAF) 2.5.0.400: Version 2.5.0.400 (Release): 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 Update the documentation. InfoMan: Write the documentation. Other Downloads Downloads OverviewBee OPOA Platform: Bee OPOA Demo V1.0.001: Initial version.Microsoft Ajax Minifier: Microsoft Ajax Minifier 4.78: Fix for issue #18924 - using -pretty option left in ///#DEBUG blocks. Fix for issue #18980 - bad += optimization caused bug in resulting code. Optimization has been removed pending further review.New Projects.net demo: This is a demo project. 12141325: tesing12141327: testingAW User Applications: This project is used to enable AccessWeb User Applications for Database Application Users. Outline: The degree of professionalism permissions access options OkBattery Life Live Tile: Windows 8 app that displays the battery percentage in a live tile on the homescreen with the help of a system tray application. only available on intel devices.CMS .NET: CMS .net HTML5 multilingual+FORUM+GALLERY+Responsive Web Design+WIKI+COMMUNITY: Easy user-friendly, fast 10X,;multi site in different domain; multi servercookieTerm: A simple BBS terminal that can run in unicode environmentDevCow: This is a location for all of the community projects that help support DevCow.comDevville.NET: The project contains some of a very useful helpers and extension methods for .NET and SharePoint.Echo Garden: Echo Garden is a modification of Alphalabs' Windows Phone app, Node Garden, that represents the nodes through sound.FluentNavigationCoercion: Simple library that makes navigation coercion on WP simple and readableGet Music: Internet radio's parser. Parse radio logs, store received data to store. Make statistic analyze of radio. jKinect - Kinectify any web site.: Provide a unique Kinect User Experience for your website. With jKinect, turn any web site into a Kinect enabled web application.Lagos Single Mothers: This is a web2.0 site that will help single mothers in the city of Lagos (in Nigeria) share ideas on how to raise children, as single mothers. LIF11: Projet logique classiqueMalkiSum: Malki SumMyLittleAdressBook: Just a little project to test MVVM pattern on a multiview solution with authentificationNopCommerce 2.7x Multi Store version: NopCommerce 7.x Multi Store / Vendor versionPodcastToMp3: Automated tool to make MP3s from M4A chapters.Primer Demo ClickOnce: Demo ClickOncePulsus: A simple .NET logging library for modern applications.Sharp6800 - ET-3400 Microprocessor Trainer Emulator: A Heathkit ET-3400 Microprocessor Trainer Emulator. It features a 6800 emulator core and simulated 7-segment display and keypad. Written in 100% C#TEdit: TEdit is a source code editor that mainly used for InfoBasic Programming language. Running in Windows platform. Developed using Scintilla & ScintillaNet.VsPackageUtils: VsPackageUtils is a basic utility helper class for common operations in a VsPackage.WiFiShare: WiFiShare shares your LAN connection to WiFi using Internet Connection Sharing(ICS) from your Windows operating system.Windows 8 RSS App Kit: A Windows 8 App "kit" that allows you to build a fixed-list RSS reader with auto-image-detection in feeds.

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• I want to consolidate two sites into a third. Will my search engine rankings be penalized if I rewrite and redirect pages one by one?

  - by Patrick Kenny

  I have two Drupal sites with different content-- let's call them Apple and Orange. I recently developed a much more sophisticated third Drupal site-- let's call it Tree. For a large number of reasons, the content on Apple and Orange is useful for the users of Tree, so I want to move the content to Tree. However, much of the content is out of date. (This whole process took about five years.) To update the content, I will rewrite it one article at a time myself. Now here's my question: if I move the articles one by one (as I rewrite them) and then redirect the old articles (using a 301 redirect) on Apple/Orange to the new site on Tree, will this have a huge negative effect on my search engine rankings? Is there a good way to redirect among sites when they merge like this, or would I be better off keeping the old articles on Apple/Orange and simply linking them to the new, rewritten articles on Tree?

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• Calling functions from different classes

  - by A Ron Hubbard Clevenger

  I'm writing a program and I'm supposed to check and see if a certain object is in the list before I call it. I set up the contains() method which is supposed to use the equals() method of the Comparable interface I implemented on my Golfer class but it doesn't seem to call it (I put print statements in to check). I can't seem to figure out whats wrong with the code, the ArrayUnsortedList class I'm using to go through the list even uses the correct toString() method I defined in my Golfer class but for some reason it won't use the equals() method I implemented. //From "GolfApp.java" public class GolfApp{ ListInterface <Golfer>golfers = new ArraySortedList<Golfer> (20); Golfer golfer; //..*snip*.. if(this.golfers.contains(new Golfer(name,score))) System.out.println("The list already contains this golfer"); else{ this.golfers.add(this.golfer = new Golfer(name,score)); System.out.println("This golfer is already on the list"); } //From "ArrayUnsortedList.java" protected void find(T target){ location = 0; found = false; while (location < numElements){ if (list[location].equals(target)) //Where I think the problem is { found = true; return; } else location++; } } public boolean contains(T element){ find(element); return found; } //From "Golfer.java" public class Golfer implements Comparable<Golfer>{ //..irrelavant code sniped..// public boolean equals(Golfer golfer) { String thisString = score + ":" + name; String otherString = golfer.getScore() + ":" + golfer.getName() ; System.out.println("Golfer.equals() has bee called"); return thisString.equalsIgnoreCase(otherString); } public String toString() { return (score + ":" + name); } My main problem seems to be getting the find function of the ArrayUnsortedList to call my equals function in the find() part of the List but I'm not exactly sure why, like I said when I have it printed out it works with the toString() method I implemented perfectly. I'm almost positive the problem has to do with the find() function in the ArraySortedList not calling my equals() method. I tried using some other functions that relied on the find() method and got the same results.

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• Where can I find Cinema4D for game development tutorials ?

  - by George Profenza

  Hi, I started to learn Cinema 4D. I've noticed it's really easy to use for motion graphics, but I want to use it for modeling for games/realtime 3d engines. Before I used 3dsmax and it was easy to estimate how a model would look/behave in a 3d engine. The two main things I did was displaying Polygon triangles and displaying the Polygon Count. I've found the Total Polygons tick in HUD settings in Cinema 4D, but I can't find any display mode that will show triangles. Is there there a way to display triangle faces/not quads in Cinema4D ? If so how ? There is a Triangulate function, but I'd rather not Triangulate/Untriangulate all the time, especially since it's converting back and forth between the two doesn't always produce the same result. I imagine I'm asking for old school techniques, but I plan to use these to make low poly models for web(canvas/webGL) and mobile.

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• Cooperative Mobility Showcase 2010

  Vehicle-to-vehicle and vehicle-to-infrastructure communication technologies on display in Amsterdam Communication - Amsterdam - Business - Healthcare - Products and Services

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• How are Java ByteBuffer's limit and position variable's updated?

  - by Dummy Derp

  There are two scenarios: writing and reading Writing: Whenever I write something to the ByteBuffer by calling its put(byte[]) method the position variable is incremented as: current position + size of byte[] and limit stays at the max. If, however, I put the data in a view buffer then I will have to, manually, calculate and update the position Before I call the write(ByteBuffer) method of the channel to write something, I will have to flip() the Bytebuffer so that position points to zero and limit points to the last byte that was written to the ByteBuffer. Reading: Whenever I call the read(ByteBuffer) method of a channel to read something, the position variable stays at 0 and the limit variable of the ByteBuffer points to the last byte that was read. So, if the ByteBuffer is smaller than the file being read, the limit variable is pushed to max This means that the ByteBuffer is already flipped and I can proceed to extracting the values from the ByteBuffer. Please, correct me where I am wrong :)

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• Do CDNs work with POST operations?

  - by iddqd

  I'm using a CDN (Level3) for the first time and I'm a bit confused. I'm accessing dynamic URLs such as http://cdn.mysite.com?getItem=1234 that return text data. Do CDNs work with HTTP POST operations? When i issue a HTTP POST operation, my "real" server receives this request every time, so I'm wondering if the CDN has a problem with POST operations. If i use HTTP GET it seems to work, i call the URL once (from my application), i can see my server receiving the request. If i call it a second time, the CDN delivers it directly, my server doesn't get anything. However if i open same the link manually from a second browser tab, my server is asked to deliver again, shouldn't it be cached by now? Many thanks.

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• How to design a leaderboard?

  - by PeterK

  This sounds like an easy thing but when i considering the following Many players Some have played many games and some just started Different type of statistics ...on what information should the actual ranking be based on. I am planning to display the board in a UITableView so there is limited space available per player. However, I am not bound to the UITableView if there is a better solution. This is a quiz game and the information i am currently capturing per player is: #games played totally #games played per game type (current version have only one game type) #questions answered #correct answers Maybe i should include additional information. I have been thinking about having a leaderboard property page where the player can decide on what basis the leaderboard should display information but would like to avoid the complexity in that. However, if that is needed i will do it. Anyone that can give me some advice on how to design the presentation of this would be highly appreciated?

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• Real Time BI in the Real World

  - by tobin.gilman(at)oracle.com

  Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman","serif";} Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman","serif"; mso-fareast-font-family:"Times New Roman";} One of my favorite BI offerings from Oracle is a solution called Oracle Real Time Decisions.  Whenever I mention this product in customer meetings, eyes light up.  There are some fascinating examples of customers using it to up-sell, cross-sell, increase customer retention, and reduce risk in real time, with off the charts return on investment. I plan to share some of those stories in a future blog.  In this post however, I want to share some far more common real time analytics use case scenarios that are being addressed with widely deployed Oracle BI and data integration technologies Not all real time BI applications require continuous learning, predictive modeling, and data mining.  Many simply require the ability to integrate, aggregate, and access information that is current (typically within in few minutes or a few seconds).  The use cases are infinite.  A few I've seen: ·         Purchasing agents need to match demand against available inventory ·         Manufacturing planners need to monitor current parts and material against scheduled build plans ·         Airline agents need to match ticket demand against flight schedules, ·         Human resources managers need to track the status of global hiring requisitions against current headcount authorizations...you get the idea. One way of doing this is to run reports or federated queries directly against transactional systems.  That approach can be viable if you only need to access simple data sets on rare occasions.  High volume and complex queries can quickly bog down performance of mission critical transactional systems.  There is an architecturally simple way of solving the problem, and it's being applied by real companies around the world to solve real needs in real time.    Cbeyond is an Atlanta, GA based  provider of voice, data and mobile business applications delivers.  They deliver real time information to its call center agents  as they are interacting with their customers. The data they need resides in production CRM and other transactional systems, but  instead or reporting directly off the those systems, data is first moved to an operational data store (ODS).  Rather than running data intensive, time consuming, and performance degrading batch ETL routines to populate the ODS, Cbeyond uses Oracle Golden Gate software to incrementally capture and move only the changed records from log files of the transactional systems every few minutes.  There is no impact on transactional system performance, and the information needed by call center representatives is up to date.  Oracle Business Intelligence software presents the information to services reps in a rich, visual, and highly interactive format. Avea is similar to Cbeyond.  They are a telecommunications company who integrates billing and customer information in an ODS that is accessed by their call center agents in real time using Oracle Golden Gate and Oracle Business Intelligence.  They've taken it a step further by using the ODS to feed a data warehouse.  The operational data store provides the current information needed by call center agents during "in flight" customer interactions.  The data warehouse is used for more sophisticated analysis of historical data.  For maximum performance, both the ODS and data warehouse run on the Oracle Exadata Database Machine. These are practical illustrations of companies addressing real time reporting and analysis needs using established business intelligence/data warehousing methodologies and tools common to many IT departments.  If real time BI could benefit your organization, you may be already be closer than you thought to having the pieces in place to solving the problem.    Give us a shout if you are interested in learning more or if you have an interesting use or approach to real-time BI.

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• GTK applications do not start

  - by Greg

  Hello, I have a fresh install of Ubuntu 10.04 Server on nodes of a computational cluster, and I access the nodes via ssh. I configured a X server, which I start with the command startx -- -ac. The server is running fine on port :0. Then, I set the environment variable DISPLAY to :0. Now, when I run a GTK application on the node, it fails with the following error: Error: Unable to initialize gtk, is DISPLAY set properly? Now, my question is, is there any runtime library that I need for running GTK applications on top of a X server? I'm probably missing something obvious here, but I can't tell what :P

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• Efficient inline templates and C++

  - by Darryl Gove

  I've talked before about calling inline templates from C++, I've also talked about calling inline templates efficiently. This time I want to talk about efficiently calling inline templates from C++. The obvious starting point is that I need to declare the inline templates as being extern "C": extern "C" { int mytemplate(int); } This enables us to call it, but the call may not be very efficient because the compiler will treat it as a function call, and may produce suboptimal code based on that premise. So we need to add the no_side_effect pragma: extern "C" { int mytemplate(int); #pragma no_side_effect(mytemplate) } However, this may still not produce optimal code. We've discussed how the no_side_effect pragma cannot be combined with exceptions, well we know that the code cannot produce exceptions, but the compiler doesn't know that. If we tell the compiler that information it may be able to produce even better code. We can do this by adding the "throw()" keyword to the template declaration: extern "C" { int mytemplate(int) throw(); #pragma no_side_effect(mytemplate) } The following is an example of how these changes might improve performance. We can take our previous example code and migrate it to C++, adding the use of a try...catch construct: #include <iostream extern "C" { int lzd(int); #pragma no_side_effect(lzd) } int a; int c=0; class myclass { int routine(); }; int myclass::routine() { try { for(a=0; a<1000; a++) { c=lzd(c); } } catch(...) { std::cout << "Something happened" << std::endl; } return 0; } Compiling this produces a slightly suboptimal code sequence in the hot loop: $ CC -O -xtarget=T4 -S t.cpp t.il ... /* 0x0014 23 */ lzd %o0,%o0 /* 0x0018 21 */ add %l6,1,%l6 /* 0x001c */ cmp %l6,1000 /* 0x0020 */ bl,pt %icc,.L77000033 /* 0x0024 23 */ st %o0,[%l7] There's a store in the delay slot of the branch, so we're repeatedly storing data back to memory. If we change the function declaration to include "throw()", we get better code: $ CC -O -xtarget=T4 -S t.cpp t.il ... /* 0x0014 21 */ add %i1,1,%i1 /* 0x0018 23 */ lzd %o0,%o0 /* 0x001c 21 */ cmp %i1,999 /* 0x0020 */ ble,pt %icc,.L77000019 /* 0x0024 */ nop The store has gone, but the code is still suboptimal - there's a nop in the delay slot rather than useful work. However, it's good enough for this example. The point I'm making is that the compiler produces the better code with both the "throw()" and the no side effect pragma.

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• Say Cheese: Building a Photo App for Your Android Device

  <b>Linux Magazine:</b> "Learn how to snap a picture and display it in your application "

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• Q&amp;A: How do I cancel my Windows Azure Platform Introductory Special? (or any Subscription)

  - by Eric Nelson

  Short answer: Don’t! Just kidding :-) Long answer: I believe it is the same process as for other Microsoft Online Services – but I have never tried it. Hence please post a comment if you follow this successfully or not and I will amend. From http://www.microsoft.com/online/help/en-us/mocp/, search for “cancel” and you get: What I am not clear about is whether an Introductory Special is classed as a trial. Either way, the answer is to contact support and ask to cancel. I would suggest you are fully armed with details of your subscription which you can get from signing in to https://mocp.microsoftonline.com. You can contact support via a online web form at https://mocp-support.custhelp.com/ Or You can call them. The details are again on the support page http://www.microsoft.com/online/help/en-us/mocp/  In the UK you can call 0800 731 8457 or (0) 20 3027 6039 Monday – Friday 09:00 – 17:00 GMT (UTC). I hope that helps.

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