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• does ubuntu 11.10 is support ns2.29

  - by nasser

  I need your help, I'm a beginner on NS2 , and I'm trying to install ns2.29 on ubuntu 11.10 32bits but i can't. This message appear and installation stopped : Build tcl8.4.11 ============================================================ loading cache ./config.cache checking whether to use symlinks for manpages... no checking whether to compress the manpages... no checking whether to add a package name suffix for the manpages... no checking for gcc... gcc checking whether the C compiler (gcc ) works... yes checking whether the C compiler (gcc ) is a cross-compiler... no checking whether we are using GNU C... yes checking whether gcc accepts -g... yes checking for building with threads... no (default) checking if the compiler understands -pipe... yes checking how to run the C preprocessor... gcc -pipe -E checking for sin... no checking for main in -lieee... yes checking for main in -linet... no checking for net/errno.h... no checking for connect... yes checking for gethostbyname... yes checking how to build libraries... static checking for ranlib... ranlib checking if 64bit support is requested... no checking if 64bit Sparc VIS support is requested... no checking system version (for dynamic loading)... ./configure: 1: Syntax error: Unterminated quoted string tcl8.3.2 configuration failed! Exiting ... Tcl is not part of the ns project. Please see www.Scriptics.com to see if they have a fix for your platform. Anyone can help me?

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• Mandelbrot set not displaying properly

  - by brainydexter

  I am trying to render mandelbrot set using glsl. I'm not sure why its not rendering the correct shape. Does the mandelbrot calculation require values to be within a range for the (x,y) [ or (real, imag) ] ? Here is a screenshot: I render a quad as follows: float w2 = 6; float h2 = 5; glBegin(GL_QUADS); glVertex3f(-w2, h2, 0.0); glVertex3f(-w2, -h2, 0.0); glVertex3f(w2, -h2, 0.0); glVertex3f(w2, h2, 0.0); glEnd(); My vertex shader: varying vec3 Position; void main(void) { Position = gl_Vertex.xyz; gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex; } My fragment shader (where all the meat is): uniform float MAXITERATIONS; varying vec3 Position; void main (void) { float zoom = 1.0; float centerX = 0.0; float centerY = 0.0; float real = Position.x * zoom + centerX; float imag = Position.y * zoom + centerY; float r2 = 0.0; float iter; for(iter = 0.0; iter < MAXITERATIONS && r2 < 4.0; ++iter) { float tempreal = real; real = (tempreal * tempreal) + (imag * imag); imag = 2.0 * real * imag; r2 = (real * real) + (imag * imag); } vec3 color; if(r2 < 4.0) color = vec3(1.0); else color = vec3( iter / MAXITERATIONS ); gl_FragColor = vec4(color, 1.0); }

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• Introducing a (new) test method to a team

  - by Jon List

  A couple of months ago i was hired in a new job. (I'm fresh out of my Masters in software engineering) The company mainly consists of ERP consultants, but I was hired in their fairly small web department (6 developers), our main task is ERP/ecom integration (ERP-integrated web shops). The department is growing, and recently my manager asked me to start thinking about introducing tests to the team, i love a challenge, but frankly I'm a bit scared (I'm the least experience member of the team). Currently the method of testing is clicking around in the web shop and asking the customer if the products are there, if they look okay, and if orders are posted correctly to the ERP. We are getting a lot of support cases on previous projects, where a customer or a customer's customer have run into errors, which - i suppose - is why my manager wants more structured testing. Off the top of my head, I though of some (obvious?) improvements, like looking at the requirement specification, having an issue tracker, enabling team members to register their time on a "tests"-line on the budget, and to circulate tasks amongst members of the team. But as i see it we have three main challenges: general website testing. (javascript, C#, ASP.NET and CMS integration tests) (live) ERP integration testing (customers rarely want to pay for test environments). adopting a method in the team I like the responsibility, but I am afraid that I'm in a little bit over my head. I expect that my manager expects me to set up some kind of workshop for the team where I present some techniques and ideas and where we(the team) can find some solutions together. What I learned in school was mostly unit testing and program verification, not so much testing across multiple systems and applications. What I'm looking for here, is references/advice/pointers/anecdotes; anything that might help me to get smarter and to improve the current method of my team. Thanks!! (TL;DR: read the bold parts)

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• How can I get Skype to not stay minimized in the task bar?

  - by Johannes Rössel

  Since two or three updates Skype insists taking up a taskbar slot for its main window (I set it to use the “Compact View”, but it applies to the default view as well). Since I don't need the main window most of the time since I have individual windows for the contacts I'm writing to this is ? a taskbar button wasted if no other Skype windows are open and ? still in the way when there are other windows open as it's a window I never need but still sometimes mis-click on when the thumbnails show up. Is there a way to send Skype to the Notification area again?

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• 'Xojo' is the only application that I can't install

  - by Gichan

  I can't install xojo. When I click install in the software center it's not progressing. In the terminal it's stuck in : gichan02@gichan02-Latitude-D520:~$ sudo apt-get install xojo [sudo] password for gichan02: Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: xojo-bin The following NEW packages will be installed: xojo xojo-bin 0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded. Need to get 209 MB/209 MB of archives. After this operation, 596 MB of additional disk space will be used. Do you want to continue? [Y/n] Y 0% [Working] then after waiting for an hour for progress it says: Failed to fetch https://private-ppa.launchpad.net/commercial-ppa-uploaders/xojo/ubuntu/pool/main/x/xojo/xojo-bin_2013.41-0ubuntu1_i386.deb Could not resolve host: private-ppa.launchpad.net So I added apt repository for 'private-ppa': deb https://ging-giana:[email protected]/commercial-ppa-uploaders/xojo/ubuntu trusty main Then when I try 'apt-get update': GPG error: https://private-ppa.launchpad.net trusty Release: The following signatures were invalid: NODATA 2 Then I noticed something the Software Sources:Other software TAB: Added by software-center; credentials stored in /etc/apt/auth.conf https://private-ppa.launchpad.net/commercial-ppa-uploaders/xojo/ubuntu So i go to the '/etc/apt/auth.conf' ,but It cannot be opened and it is not a keyserver. So i uncheck: Added by software-center; credentials stored in /etc/apt/auth.conf https://private-ppa.launchpad.net/commercial-ppa-uploaders/xojo/ubuntu GPG error was gone. But then again I found myself at the beginning of the problem.STUCK at '0% [Working]'. 'Xojo' is the only application that I can't install.Any explanation why is it like that?

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• Ways to organize interface and implementation in C++

  - by Felix Dombek

  I've seen that there are several different paradigms in C++ concerning what goes into the header file and what to the cpp file. AFAIK, most people, especially those from a C background, do: foo.h class foo { private: int mem; int bar(); public: foo(); foo(const foo&); foo& operator=(foo); ~foo(); } foo.cpp #include foo.h foo::bar() { return mem; } foo::foo() { mem = 42; } foo::foo(const foo& f) { mem = f.mem; } foo::operator=(foo f) { mem = f.mem; } foo::~foo() {} int main(int argc, char *argv[]) { foo f; } However, my lecturers usually teach C++ to beginners like this: foo.h class foo { private: int mem; int bar() { return mem; } public: foo() { mem = 42; } foo(const foo& f) { mem = f.mem; } foo& operator=(foo f) { mem = f.mem; } ~foo() {} } foo.cpp #include foo.h int main(int argc, char* argv[]) { foo f; } // other global helper functions, DLL exports, and whatnot Originally coming from Java, I have also always stuck to this second way for several reasons, such as that I only have to change something in one place if the interface or method names change, that I like the different indentation of things in classes when I look at their implementation, and that I find names more readable as foo compared to foo::foo. I want to collect pro's and con's for either way. Maybe there are even still other ways? One disadvantage of my way is of course the need for occasional forward declarations.

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• Prepared statement alternatives for this middle-man program?

  - by user2813274

  I have an program that is using a prepared statement to connect and write to a database working nicely, and now need to create a middle-man program to insert between this program and the database. This middle-man program will actually write to multiple databases and handle any errors and connection issues. I would like advice as to how to replicate the prepared statements such as to create minimal impact to the existing program, however I am not sure where to start. I have thought about creating a "SQL statement class" that mimics the prepared statement, only that seems silly. The existing program is in Java, although it's going to be networked anyways so I would be open to writing it in just about anything that would make sense. The databases are currently MySQL, although I would like to be open to changing the database type in the future. My main question is what should the interface for this program look like, and does doing this even make sense? A distributed DB would be the ideal solution, but they seem overly complex and expensive for my needs. I am hoping to replicate the main functionality of a distributed DB via this middle-man. I am not too familiar with sql-based servers distributing data (or database in general...) - perhaps I am fighting an uphill battle by trying to solve it via programming, but I would like to make an attempt at least.

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• Must developers understand the business domain or should the specification be sufficient?

  - by Jerome C.

  I work for a company for which the domain is really difficult to understand because it is high technology in electronics, but this is applicable to any software development in a complex domain. The application that I work on displays a lot of information, charts, and metrics which are difficult to understand without experience in the domain. The developer uses a specification to describe what the software must do, such as specifing that a particular chart must display this kind of metrics and this metric is the following arithmetic formula. This way, the developer doesn't really understand the business and what/why he is doing this task. This can be OK if specification is really detailled but when it isn't or when the author has forgotten a use case, this is quite hard for the developer to find a solution. At the other hand, training every developer to all the business aspects can be very long and difficult. Should we give more importance to detailled specification (but as we know, perfect specification does not exist) or should we train all the developers to understand the business domain? EDIT: keep in mind in your answer that the company could used external developpers.

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• Lubuntu Full Install on USB Drive with Full Disk Encryption and Grub2

  - by vivi

  I apologise for the wall of text, but I want you to scrutinize my thought-process to make sure there's no mistakes and no other way around it: I wish to have a full install of lubuntu with full disk encryption on one of my usb drives. The laptop I would be booting it from also has windows 7. I want to maintain that OS. From what I've read I must place grub2 on the usb drive so that: If I have the usb plugged in, the laptop would start lubuntu (having USB HD in the BIOS Boot options) If I don't have the usb plugged in, it would normally start windows 7. That's exactly what I want it to do. But: If I install from the normal .iso: Clicking "install lubuntu alongside them" would install it onto my normal HD. Clicking "Erase disk and install lunbuntu" would delete all the stuff I have in my HD and install lubuntu on it. Clicking "Something else" would allow me to choose to install lunbuntu and grub2 onto the usb drive, but would not provide it with encryption. So the normal .iso won't work for what I want. Then I found the alternate .iso and this tutorial: It allows me to install lubuntu with all the options I want and gives me the option to choose where to place the grub2! Hopefully there are no flaws in my train of thought. If there aren't, I have a few questions regarding that tutorial: The author says in his case choosing "Yes to install GRUB to your MBR" installed the grub to the usb drive's mbr. I can't have "in his case". I need to be sure that's what it will do, so that it doesn't mess up the windows boot loader. Choosing "no" would open this window and allow to choose where I want to install the grub. Unfortunately I don't understand which option I should type in the box to install it into the usb drive. Would removing my laptop's Hard Drive ensure that the grub is installed onto the usb drive if i picked first option, "yes"? I apologise once again for the wall of text and appreciate any help you guys can offer me.

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• Can an internally developed fast evolving, agile, short sprint web application lend itself to offshoring?

  - by Gavin Howden

  I have recently been set a target to achieve readiness to successfully manage and deliver results through the usage of offshore teams on our mainline development project within 12 months. Our mainline is a multi-thousand user highly available web application, and various related SAAS components delivered through the above mentioned web application. We work agile on the mainline with a rapid 1 week sprint using continuous integration. Our delivery platform is a bespoke php framework, although we have some .net services and components in the mix. My view is: an offshore team could work if we either ship out an entire isolated project for offshore development, or we specify a component for our system in huge detail up front. But we don't currently work like that, and it will conflict with the in-house method, and unless the off-shore is working within our team, with our development/deployment chain it could be an integration nightmare. So my question is, given we have a closed source bespoke framework (Private IP) which we train our developers to use, and we work agile minimising documentation, maximising communication and responding to rapidly changing requirements, and much of the quality control is via team skills building and peer review, how can I make off-shoring work on our main line development?

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• Get Started with JavaFX 2 and Scene Builder

  - by Janice J. Heiss

  Up on otn/java is a very useful article by Oracle Java/Middleware/Core Tech Engineer Mark Heckler, titled, “How to Get Started (FAST!) with JavaFX 2 and Scene Builder.”  Heckler, who has development experience in numerous environments, shows developers how to develop a JavaFX application using Scene Builder “in less time than it takes to drink a cup of coffee, while learning your way around in the process”. He begins with a warning and a reassurance: “JavaFX is a new paradigm and can seem a bit imposing when you first take a look at it. But remember, JavaFX is easy and fun. Let's give it a try.” Next, after showing readers how to download and install JDK/JavaFX and Scene Builder, he informs the reader that they will “create a simple JavaFX application, create and modify a window using Scene Builder, and successfully test it in under 15 minutes.” Then readers download some NetBeans files:“EasyJavaFX.java contains the main application class. We won't do anything with this class for our example, as its primary purpose in life is to load the window definition code contained in the FXML file and then show the main stage/scene. You'll keep the JavaFX terms straight with ease if you relate them to the theater: a platform holds a stage, which contains scenes. SampleController.java is our controller class that provides the ‘brains’ behind the graphical interface. If you open the SampleController, you'll see that it includes a property and a method tagged with @FXML. This tag enables the integration of the visual controls and elements you define using Scene Builder, which are stored in an FXML (FX Markup Language) file. Sample.fxml is the definition file for our sample window. You can right-click and Edit the filename in the tree to view the underlying FXML -- and you may need to do that if you change filenames or properties by hand - or you can double-click on it to open it (visually) in Scene Builder.” Then Scene Builder enters the picture and the task is soon done. Check out the article here.

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• The Silverlight 4 Training Kit and Green Eggs &amp; Ham

  - by Jim Duffy

  Microsoft has released the Silverlight 4 Training Kit that steps you through the process of constructing Silverlight 4 business applications. “The Silverlight 4 Training Course includes a whitepaper explaining all of the new Silverlight 4 features, several hands-on-labs that explain the features, and a 8 unit course for building business applications with Silverlight 4. The business applications course includes 8 modules with extensive hands on labs as well as 25 accompanying videos that walk you through key aspects of building a business application with Silverlight. Key aspects in this course are working with numerous sandboxed and elevated out of browser features, the new RichTextBox control, implicit styling, webcam, drag and drop, multi touch, validation, authentication, MEF, WCF RIA Services, right mouse click, and much more!” What I think is pretty cool is that there are two ways to access this content, online and offline. Obviously the online version is great when you’re sitting at your desk and you’re connected to the web. What about when you don’t have a connection like when you’re located where you won’t eat green eggs & ham, like on a train or on plane perhaps? :-) You can download the offline version and hope that Sam I Am won’t be to distracting while you try to watch the videos or work your way through the labs. :-) Have a day. :-|

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• CodePlex Daily Summary for Sunday, May 11, 2014

  CodePlex Daily Summary for Sunday, May 11, 2014Popular ReleasesGMare: GMare Beta 1.0: Features Added: Overhauled interface Re-wrote most controls and forms Automatic room creation on application open Room properties bar to change various room properties Now able to use a background from a supported Game Maker project file Block instances implemented More instance editing features like multi-Select, cherry pick select, replace, and set position More instance options on the instance list Flexible XML based .gmpx human readable project file format Game...Readable Passphrase Generator: KeePass Plugin 0.13.0: Version 0.13.0 Added "mutators" which add uppercase and numbers to passphrases (to help complying with upper, lower, number complexity rules). Additional API methods which help consuming the generator from 3rd party c# projects. 13,160 words in the default dictionary (~600 more than previous release).CS-Script for Notepad++ (C# intellisense and code execution): Release v1.0.25.0: Release v1.0.25.0 MemberInfo/MethodInfo popup is now positioned properly to fit the screen In MethodInfo popup method signatures are word-wrapped Implemented Debug text value visualizer Pining sub-values from Watch PanelxFunc: xFunc 2.15.3: Added #53TerraMap (Terraria World Map Viewer): TerraMap 1.0.3.14652: Added support for the new Terraria v1.2.4 update. New items, walls, and tiles The setup file will make sure .NET 4 is installed, install TerraMap, create desktop and start menu shortcuts, add a .wld file association, and launch TerraMap. If you prefer the zip file, make sure you have .NET Framework v4.5 installed, then just download and extract the ZIP file, and run TerraMap.exe.R.NET: R.NET 1.5.12: R.NET 1.5.12 is a beta release towards R.NET 1.6. You are encouraged to use 1.5.12 now and give feedback. See the documentation for setup and usage instructions. Main changes for R.NET 1.5.12: The C stack limit was not disabled on Windows. For reasons possibly peculiar to R, this means that non-concurrent access to R from multiple threads was not stable. This is now fixed, with the fix validated with a unit test. Thanks to Odugen, skyguy94, and previously others (evolvedmicrobe, tomasp) fo...CTI Text Encryption: CTI Text Encryption 5.2: Change log: 5.2 - Remove Cut button. - Fixed Reset All button does not reset encrypted text column. - Switch button location between Copy and Paste. - Enable users to use local fonts to display characters of their language correctly. (A font settings file will be saved at the same folder of this program.) 5.1 - Improve encryption process. - Minor UI update. - Version 5.1 is not compatible with older version. 5.0 - Improve encryption algorithm. - Simply inner non-encryption related mec...Aspose for Apache POI: Missing Features of Apache POI SS - v 1.1: Release contain the Missing Features in Apache POI SS SDK in comparison with Aspose.Cells What's New ?Following Examples: Set Print Titles Create Pivot Table Convert Charts to images Formula Calculation Engine Import Data to Worksheets Export Data from Worksheets Tracing Precedents and Dependents Feedback and Suggestions Many more examples are yet to come here. Keep visiting us. Raise your queries and suggest more examples via Aspose Forums or via this social coding site.SEToolbox: SEToolbox 01.029.006 Release 1: Fix to allow keyboard search on load dialog. (type the first few letters of your save) Fixed check for new release. Changed the way ship details are loaded to alleviate load time for worlds with very large ships (100,000+ blocks). Fixed Image importer, was incorrectly listing 'Asteroid' as import option. Minor changes to menus (text and appearance) for clarity and OS consistency. Added in reading of world palette for color dialog editor. WIP on subsystem editor. Can now multiselec...Danmu2Ass —— ??xml/json?Ass: Danmu2Ass 1.1: ????Danmu2Ass?????????xml/json???????ASS????????。?????????????。 ?????.NET Framework 4.0??，??????Niconvert??，????????IronPython 2.7。 1.1????????python????，?????????。 ??????python?????????????，?????”niconvert.py“????exe???????，?????????。 ?????????????????????”niconvert.py“??，??ASS HEADER TPL????????。 ??????.NET 4.0!QuickMon: Version 3.9: First official release of the PowerShell script Collector. Corrective script can now also be PowerShell scripts! There are a couple of internal bugfixes to the core components as well. e.g. Overriding remote host setting now applies to ALL child collectors Main UI app now indicates (in Window title) if there are changes that needs to be saved. Polling frequency can be adjusted by 'slide bar' Note: If you have issues with the new PowerShell script collector please see my post about issu...Tiny Wifi Host: Tiny Wifi Host 3.0.0.0: Tiny Wifi Hotspot Creator (Portable) v3 size: 50KB-140KB New Features: Friendly name for connected devices instead of Mac-Address (Double click selected device to enter friendly name) Saves device names to devices.xml Better error reporting+solutions Warning sound when number of connected devices exceed a certain number. (useful when only certain number of devices must be connected at a time) Many Bug Fixes. NoAudio files does not include connect, disconnect and warning audio to dec...Media Companion: Media Companion MC3.597b: Thank you for being patient, againThere are a number of fixes in place with this release. and some new features added. Most are self explanatory, so check out the options in Preferences. Couple of new Features:* Movie - Allow save Title and Sort Title in Title Case format. * Movie - Allow save fanart.jpg if movie in folder. * TV - display episode source. Get episode source from episode filename. Fixed:* Movie - Added Fill Tags from plot keywords to Batch Rescraper. * Movie - Fixed TMDB s...SimCityPak: SimCityPak 0.3.0.0: Contains several bugfixes, newly identified properties and some UI improvements. Main new features UI overhaul for the main index list: Icons for each different index, including icons for different property files Tooltips for all relevant fields Removed clutter Identified hundreds of additional properties (thanks to MaxisGuillaume) - this should make modding gameplay easierMagick.NET: Magick.NET 6.8.9.002: Magick.NET linked with ImageMagick 6.8.9.0.VidCoder: 1.5.22 Beta: Added ability to burn SRT subtitles. Updated to HandBrake SVN 6169. Added checks to prevent VidCoder from running with a database version newer than it expects. Tooltips in the Advanced Video panel now trigger on the field labels as well as the fields themselves. Fixed updating preset/profile/tune/level settings on changing video encoder. This should resolve some problems with QSV encoding. Fixed tunes and profiles getting set to blank when switching between x264 and x265. Fixed co...NuGet: NuGet 2.8.2: We will be releasing a 2.8.2 version of our own NuGet packages and the NuGet.exe command-line tool. The 2.8.2 release will not include updated VS or WebMatrix extensions. NuGet.Server.Extensions.dll needs to be used alongside NuGet-Signed.exe to provide the NuGet.exe mirror functionality.SmartStore.NET - Free ASP.NET MVC Ecommerce Shopping Cart Solution: SmartStore.NET 2.0.2: SmartStore.NET 2.0.2 is primarily a maintenance release for version 2.0.0, which has been released on April 04 2014. It contains several improvements & important fixes. BugfixesIMPORTANT FIX: Memory leak leads to OutOfMemoryException in application after a while Installation fix: some varchar(MAX) columns get created as varchar(4000). Added a migration to fix the column specs. Installation fix: Setup fails with exception Value cannot be null. Parameter name: stream Bugfix for stock iss...Channel9's Absolute Beginner Series: Windows Phone 8.1: Entire source code for Windows Phone 8.1 Absolute Beginner Series.BIDS Helper: BIDS Helper 1.6.6: This BIDS Helper beta release brings support for SQL Server 2014 and SSDTBI for Visual Studio 2013. (Note that SSDTBI for Visual Studio 2013 is currently unavailable to download from Microsoft. We are releasing BIDS Helper support to help those who downloaded it before it became unavailable, and we will recheck BIDS Helper 2014 is compatible after SSDTBI becomes available to download again.) BIDS Helper 2014 Beta Limitations: SQL Server 2014 support for Biml is still in progress, so this bet...New ProjectsAcutype: Simple program that enables you to practice typing by copying out passages from books.Bass Guitar Trainer: Bass Guitar Trainer is a free application for mastering a bass guitar. Application contains also metronome and drum machineCareer Tools: Career Tools - Track your contacts when searching for a new job A simple tool built in ASP.Net MVC 5EmptyWallGallery: Test EmptyWallGalleryGames Case Project: Final year project at Northumbria University. LINQ To OWIN: LINQ to OWIN is middleware that allows you to code your Katana/OWIN web applications as a set of reactive queries using Rx (Reactive Extensions) for .NET.Orchard ContentExtension: The ContentExtension module, extends the core of the Orchard framework in order to provide a better performance. P4 Compiler: P4 ftwRevolioReader: Browse, read and download books and magazines from Revolio.Sync Email to SharePoint list: This use to sync the exchange mail box to SharePoint listVirtual Radar Server: A .NET/Mono web server that decodes Mode-S & ADS-B messages and displays the location of aircraft on a Google Maps map.??????-??????【??】??????????: ???????????????????,????,????,????,???????,?????,?????.??????。 ?????-?????【??】???????: ???????????????、??,??,??,??,??? ?,??,,??,??,??,??,??,??,????????,??????！ ?????-?????【??】?????????: ???????????????????????????:???????,??????,????,????,????,?????！ ???????-???????【??】???????????: ??????????,??????????????????????,???????????????,?????????????！ ???????-???????【??】???????????: ???????????????????????,?????, ... ????????????,????,????,?????,???????。 ?????-?????【??】?????????: ?????????????,????????,?????,???,???????????,???????????,?????,??????！??????-??????【??】????????: ???????????????????，?????????/?,,???????????,??????????????!??????-??????【??】??????????: ?????????????????????,?????????、??、??、????,??????????,?????????????！??????-??????【??】??????????: ???????????、????、????、??????????,???,?????,???????????????. ??????-??????【??】??????????: ????????????????、?????,????????????????????,????,????,??????。 ??????-??????【??】??????????: ????????????????,?????????????? ??。??????????、????、????、?????????? ???????。 ??????-??????【??】??????????: ??????????????????,???、???!???????,????????????????,????????????,???! ????-????【??】????????: ?????????????,????,???????、???????????,???????????,????,?????,???????。 ?????-?????【??】?????????: ?????????????????、?????、?????、?????、?????、????,???????????,?????,??????！

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• How to SEO Optimize Javascript Image Loader?

  - by skibulk

  I am building an image-centric catalog website. It catalogs collectible gaming cards numbering 100,000+ pages. Competitor sites recieve millions of hits each month, so with the possibility of excessive traffic, I need to moderate image bandwidth while also optimizing for image SEO. I'm looking for some tips on doing so. Each page on the site features one card with appropriate tags and descriptions. There are however four images for each card - one on matte cardstock, one on foil cardstock, one digital, and one digital foil. In a world with unlimited bandwidth and no-wait page loads, I'd simply embed all four images on the main product page with titles, alt tags, and captions to rank them according to their version keyword. In reality a javascript gallery image loader seems appropriate. Here is a simplified example of my current code. Would this affect SEO in any way? Should I be doing anything differently? Note that I don't want to create a page for each image as I'd have to duplicate the card tags and descriptions on each one, diluting PR for the main page. Thanks for any insight! <script type="text/javascript"> document.write(' <img src="thumbnail1.jpg" data-src="version1.jpg"> <img src="thumbnail2.jpg" data-src="version2.jpg"> <img src="thumbnail3.jpg" data-src="version3.jpg"> <img src="thumbnail4.jpg" data-src="version4.jpg"> '); </script> <noscript> <img src="version1.jpg"> <img src="version2.jpg"> <img src="version3.jpg"> <img src="version4.jpg"> </noscript>

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• Lightning fast forum based around metadata / tags? [closed]

  - by Dan W

  Possible Duplicate: What Forum Software should I use? I wonder if anything like this exists. I'd like to add a forum to my site, but instead of the usual forum/subforum/sub-subforum structure, I'd like to use a metadata/tag approach where everything exists as a single directory, and where there's a search field at the top which instantly (<0.5 sec) filters the threads to a particular keyword or keywords. Also, as the admin, I would be able to add highly visible buttons at the top, which can be clicked on for the main categories I choose for the forum (nevertheless, users can also add tags to their own threads outside of these default main tags I supply if they wish). This approach, if done properly, is more powerful, efficient, maintenance free, scalable and friendly than a standard forum, so I was hoping someone had the same idea and made something out of it. It couldn't be that hard. I'd want the speed to be up to (or near) the standard of this: http://forum.dlang.org/ Other forums (e.g.: phpBB) are orders of magnitude worse than that in terms of latency (posting or browsing), and I think that is wrong, even in principle ;)

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• Simple one-way synchronisation of user password list between servers

  - by Renaud Bompuis

  Using a RedHat-derivative distro (CentOS), I'd like to keep the list of regular users (UID over 500), and group (and shadow files) pushed to a backup server. The sync is only one-way, from the main server to the backup server. I don't really want to have to deal with LDAP or NIS. All I need is a simple script that can be run nightly to keep the backup server updated. The main server can SSH into the backup system. Any suggestion? Edit: Thanks for the suggestions so far but I think I didn't make myself clear enough. I'm only looking at synchronising normal users whose UID is on or above 500. System/service users (with UID below 500) may be different on both system. So you can't just sync the whole files I'm afraid.

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• apt-cacher ng / upgrade fails from client

  - by todayis23

  I'm running apt-cacher ng on an Ubuntu Hardy server and try to upgrade the packages on a Natty client (which was initially a Maverick). I didn't do anything on the server. On the client I tried two setups. I configure APT to use a http-proxy. On the client I did a "apt-get update" which worked fine, but very slowly. In the acng-report.html I see an entry, which seems to be correct. After verifying Install these packages without verification [y/N]? y "apt-get upgrade" failes with the message: Err http://archive.ubuntu.com/ubuntu/ natty-updates/main libnux-0.9-common all 0.9.48-0ubuntu1.1 503 Name or service not known The GUI update manager fails as well with the message, that untrusted packages will be installed. I edit sources.list and add the server in the correct format to all sources. "apt-get update" is very slowly... and I get a lot of errors like this: W: Failed to fetch http://[::ffff:10.10.10.10]:3142/archive.ubuntu.com/ubuntu/dists/natty/main/binary-i386/Packages 403 Forbidden file type or location After that "apt-get upgrade" says: 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. What could be wrong? Is it possible to use apt-cacher ng on an older system for upgrading newer systems? Thank you in advance!

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• Load balancing with Cisco router

  - by you8301083

  I have a Cisco router with two bonded T1's which are setup as a VPN to the main office. We need more bandwidth but can't get other connections (or it's too costly), so I would like to have a dsl connection installed. This DSL connection will run over a VPN to the same main office, but it won't be bonded with the T1's - so it won't act as a single connection. Since the three circuits won't act as a single connection (basically would be two connections 2 T1's + 1 DSL) we would have to split the network in half - but I don't want to do that. Instead, would it be possible to send all HTTP/HTTPS over the DSL connection but send all mission critical data (such as voice/active directory) over the T1's? I basically want to send specific ports over DSL and everything else over the T1's without separating half of the users traffic over the DSL and the rest over the T1's.

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• Plug-in based software design

  - by gekod

  I'm a software developer who is willing to improve his software design skills. I think software should not only work but have a solid and elegant design too to be reusable and extensive to later purposes. Now I'm in search of some help figuring out good practices for specific problems. Actually, I'm trying to find out how to design a piece of software that would be extensible via plug-ins. The questions I have are the following: Should plug-ins be able to access each others functionality? This would bring dependencies I guess. What should the main application offer to the plug-ins if I want to let's say develop a multimedia software which would play videos and music but which could later on get functionality added over plug-ins that would let's say be able to read video status (time, bps, ...) and display it. Would this mean that the player itself would have to be part of the main program and offer services to plug-ins to get such information or would there be a way to develop the player as a plug-in also but offer in some way the possibility to other plug-ins to interact with it? As you see, my questions are mainly for learning purposes as I strive to improve my software development skills. I hope to find help here and apologize if something is wrong with my question.

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• Portal And Content – Introduction (1 of 7)

  - by Stefan Krantz

  The coming post over the next two months will be included in a new series. The idea is to help the reader to understand how to enable a versatile and manageable portal. Each post will go through a specific use case or lifecycle group of events that a Content Driven Portal requires the development team to consider. The current planning is to deliver following subjects, each topic will be enclosed in a separate blog post. Introduction – Introduction to the series of posts and what to expect at the end of the series Components, part 1 – UCM, Site Studio and high level introduction to content templates Components, part 2 – Page Templates and  Navigation model Components, part 3 – Applied Customization Framework for Content Presenter Taskflows Scenario 1 – Enable a Portal for runtime administration Scenario 2 – Enable a Portal for Internationalization Scenario 3 – Enable a Portal for Content Workflows Background This post series has been issued to help customers, partners and consultants to understand the concept of a WebCenter Portal project where the main focus or a majority of the portal has content interaction. Today the most portal installations Oracle WebCenter Portal is involved in have a vast majority of content based pages. Many of the Portal projects have or will run into challenges, to mitigate these challenges the portal and content lifecycle has to be well designed. The coming posts will address the main components that should be involved when creating such scenarios; it will also go into details on the process by describing three solution scenarios. The aim with the scenarios is to give the reader a more hands on understanding of the concept of building and architecting a Content Driven Portal. The selected scenarios are selected based on the most common use cases that we have identified until today.

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• How to properly structure a project in winform?

  - by user850010

  A while ago I started to create a winform application and at that time it was small and I did not give any thought of how to structure the project. Since then I added additional features as I needed and the project folder is getting bigger and bigger and now I think it is time to structure the project in some way, but I am not sure what is the proper way, so I have few questions. How to properly restructure the project folder? At the moment I am thinking of something like this: Create Folder for Forms Create Folder for Utility classes Create Folder for Classes that contain only data What is the naming convention when adding classes? Should I also rename classes so that their functionality can be identified by just looking at their name? For example renaming all forms classes, so that their name ends with Form. Or is this not necessary if special folders for them are created? What to do, so that not all the code for main form ends up in Form1.cs Another problem I encountered is that as the main form is getting more massive with each feature I add, the code file (Form1.cs) is getting really big. I have for example a TabControl and each tab has bunch of controls and all the code ended up in Form1.cs. How to avoid this? Also, Do you know any articles or books that deal with these problems?

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• Customize specific websites on chrome's new tab page

  - by Ben

  Chrome's new tab offers the 8 websites you like to visit. Unfortunately for one of the sites, 4chan.org, the main page is a directory, not somewhere I want to go. I would like the 4chan.org thumb to instead open to 4chan.org/u/, taking me directly there instead of the main directory where I would have to manually find /u/. Anyone know how to make this happen? Thanks. Edit: I would like this to happen without totally destroying the new tab's default functionality.

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• Incremental Backup which also is imageable

  - by qwertymk

  I'm looking for a backup program that does incremental backups and that I can use to completely flush onto my main HD. For example I use the C:\ as my main drive and have E:\backups... as my backup, what I want is to be able to have it make incremental backups but such that if my computer becomes infested I can just choose an earlier snapshot and restore my entire HD to that image. I'm also looking for something that had auto scheduling but I'm guessing they all do. I really would like it if there is an open source option that does this, but everything I tried doesn't seem to have an "imaging" option. Is there any open source programs that does this (for windows 7 64bit)? If not I would also use any free non-open-source options

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• Changing website Url - Am I making an SEO mistake

  - by Denis

  I have a webiste with a .com domain that is a year old. The business is a shop based in Ireland and I have purchased a .ie domain. I plan to move the website over to the new domain, SEO Good or Bad idea? Old Url - SmythsOfTerenure.com | New Url - SmythsComputerRepair.ie (I am using Fake names and fictional business in the example Url's) The new domain has my main keyword in it. The old domain has my family name and business location (city district) It currently ranks high for lots of relevant keywords in Google with low traffic and low competition. Current website traffic is about 80 session per week. 80% of that traffic is Organic from Google. I am changing domain in an attempt to help SEO long term by having a CC TLD (.ie rather than .com) and having my main Keyword in the domain. I plan to do 301 re-directs from old to new and update GW Tools and G Analytics but am I making a mistake changing it at all as I know rankings may fall in the sort term. Homepage PR=0 and very few inbound links. Should I just leave it on the old domain? Or after a few months should I be back up ranking as well as I am now?

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• store image installation error in UEC

  - by selvakumar

  to my college final year project we planned to setup the private cloud on the two machines. I recently installed Ubuntu Enterprise Cloud (UEC) on two of my machines . I was trying to install the store image through WebUI. I was able to download Ubuntu 10.04 - (i386) image but while installing, it's giving me following error: - Command 'euca-upload-bundle' returned status code 1: Checking bucket: image-store-1296600766 Traceback (most recent call last): File "/usr/bin/euca-upload-bundle", line 231, in main() File "/usr/bin/euca-upload-bundle", line 214, in main bucket_instance = ensure_bucket(conn, bucket, canned_acl) File "/usr/bin/euca-upload-bundle", line 87, in ensure_bucket bucket_instance = connection.get_bucket(bucket) File "/usr/lib/pymodules/python2.6/boto/s3/connection.py", line 275, in get_bucket rs = bucket.get_all_keys(headers, maxkeys=0) File "/usr/lib/pymodules/python2.6/boto/s3/bucket.py", line 204, in get_all_keys headers=headers, query_args=s) File "/usr/lib/pymodules/python2.6/boto/s3/connection.py", line 342, in make_request data, host, auth_path, sender) File "/usr/lib/pymodules/python2.6/boto/connection.py", line 459, in make_request return self._mexe(method, path, data, headers, host, sender) File "/usr/lib/pymodules/python2.6/boto/connection.py", line 437, in _mexe raise e socket.error: [Errno 110] Connection timed out could anyone please help me?

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