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• What are the differences between Bigloo and ECL from an embedding standpoint? [migrated]

  - by Pubby

  I've been looking to embed Lisp in some C++ code. Two options I'm interested in is Bigloo Scheme and ECL (Common Lisp). Reading through the docs they seem to support a very similar feature set. Obviously Bigloo is Scheme and ECL is CLisp, but what other differences do they have? In particular I'm interested in the following criteria: Ease of embedding (for C++, not just C). I don't want to write a bunch of boilerplate. Performance. Bigloo is performance based and has many compiler optimization options, although I can't find anything comparable for ECL. Style of coding. This one is more for Bigloo - is it more functional than ECL? I'm targeting this question towards someone who has used both.

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• Back to the future! New version of the VB6 InteropForms toolkit is released!!

  Along with all the new goodies that we released yesterday as part of Visual Studio 2010, one additional thing we did yesterday as well is release an update to the popular interopforms toolkit.   This update brings VS 2010 (and VS 2008!) support to the toolkit and fixes a smattering of reported bugs.    As many of you are aware, VB6 applications are alive and well in the community and this toolkit has proven to be quite successful in helping developers evolve these apps with...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Should HTTP Verbs Be Used Semantically?

  - by Xophmeister

  If I'm making a web application which integrates with a server-side backend, would it be considered best practice to use HTTP methods semantically? That is, for example, if I'm fetching data (e.g., to populate a menu, etc.), I would use GET, but to update data (e.g., save a record), I would use POST. (I realise there are other methods that may be even more appropriate, but we need to consider browser support.) I can see the benefits of this in the sense that it's effectively a RESTful API, but at a slightly increased development cost. In my previous projects, I've POST'd everything: Is it worth switching to a RESTful mindset simply for the sake of best practice?

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• Dropdowns revisited

  For my DIBI presentationI need a dropdown menu (in order to compare it on desktop and mobile), so I wrote one.Point is, it took me thirty lines of JavaScript, nine of which only contain a closing },and three of which deal with the fact that bloody Firefox still doesn’t support contains().Net amount of lines: 18. Can somebody please remind me why we all used to think dropdownsare so extremely complicated? I can’t for the life of me figure it out.window.onload = function () { document.getElementById('dropdown').onmouseover...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Templates and Cross-domain client-side binding with RadGrid for ASP.NET AJAX

  Or yet another Twitter grid Yesterday, while I was playing around with this example of our MVC Grid, I thought that the RadGrid for ASP.NET AJAX deserves one too. What I like about this sample scenario is that it gives a perfect opportunity to demonstrate both how to do client cross-site request (as we have received a few questions through our support channels) and to check the future ASP.NET AJAX/jQuery client-side templates prototype.     A wiser guy once said a code sample is worth more than a 1000 words ;) That is why Ill keep it short and let you check the sample project.   Enjoy.Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Ubuntu 11.0 HDMI Video Card No 5.1 Audio

  - by ryandlf

  I am using Ubuntu and XMBC on my HTPC and have chosen the Radeon HD5570 Video card which has an HDMI output. In the sound preferences there is no surround sound option for the video card just stereo and although I can get sound through it in XBMC, my receiver does not state Dolby Digital on movies that are in fact Dolby so its definitely not giving me the true sound it should. Does this card not support surround sound through HDMI and I somehow missed it? If that is the case does anyone have suggestion that has been tested and works? Id like to know its going to work before investing in yet another video card.

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• 3D open source physics engine suitable for mobile platforms (Android and iOS)

  - by lukeluke

  I have made some research and found that bullet, ode, newton and some others are open source physics engines that should be portable enough (but I have never tried to comile/use anyone of them on phones). I am writing my games for mobile platforms in C++, so the engine should be C or C++. I need a fast engine, since mobile platforms have limited resources. I need a free engine. A good design would be nice to have too. What engine is best suited for my task? What I really would like to hear from you is your direct experience. Documentation and support (for example, forum or an IRC channel) is a really important aspect to take into consideration.

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• WPF Release History : Q1 2010 SP1 (version 2010.1.0422)

  Q1 2010 SP1 Changes: RadGrid Important Changes: The enumerator of RadGridView.Items now enumerates data items only (use RadGridView.Items.Groups to retrieve group items). What's New: Added support for BorderBrush and BorderThickness for GridViewRow. Editable field filter logical composition operator (And/Or). New overload of the GridViewDataContro.GetDistinctValues method that accepts the number of distinct values to return as a parameter. Group footer row now uses its Item as aggregate...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Alternatives to voxel-based terrain

  - by Neomex

  Are there any alternatives to voxel based terrains? Such terrain should be fully destructable, allow for arches, overhangs, preserve sharp features where needed and keep consistent topology. Maybe you can explain the problem that makes you ask this question? Voxel based terrain is basically just using a 3D grid of data to store data. There are lots of ways to render that data, but it doesn't get much simpler for storing it. – Byte56 Current isosurface extraction methods aren't most effective/bug-free. Cubical Marching Squares seem to solve most of the issues, however it is a relatively new method and there aren't too many resources about it. (I've found single university paper) Even if we stick to CMS, when we want to add multi-material support, we can either divide surface into multiple meshes, or pass a texture array or texture atlas to shaders, then we are limited to set amount of textures and additionally increase memory-usage alot.

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• Tracking 502 bad gateway error

  - by dasickle

  I moved my Wordpress site to WP Engine and now I constantly get 502 errors. I spoke with support and they said that its because I have a lot of DB queries. I ran some tests and my frontpage only has 95 queries and page size is about 500kb. Most inner pages are around 60 queries. All queries are very short. Some people tell me its common with WP Engine because they run nginx. Why do I keep getting these errors and is there a way to track how many of them happen on daily basis? P.S. WP Engine log is empty so cant see the 502's there.

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• Chrome 9 : Google mise sur l'accélération graphique et dote sa future bêta d'un mode hors-ligne, pour Chrome OS ?

  Chrome 9 : Google mise sur l'accélération graphique Et dote sa future bêta d'un mode hors-ligne, pour Chrome OS ? Google mise sur l'accélération graphique dans son future navigateur Chrome 9. La firme vient de dévoiler les fonctionnalités qui seront introduites dans cette future version. Elle permettront : l'accélération graphique ; l'accélération des graphismes en 2D et le rendu des polices ; le décodage et le redimensionnement des vidéos ; la mise en forme graphique des transitions et des transformations CSS (Cascading Style Sheets). On note aussi l'amélioration de WebGL et du CSS 3D pour le support du graphisme 3D, permettant au navigateur de supporter ...

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• What are the key "connectors" for animation creation?

  - by qaisjp

  I'm creating an animation "engine" for a 2D game which loads a *.2dped file to load a character (it's body part positions, height, length of arm etc), and then a *.2difp to manipulate the body part positions. I'd like to know what the key body parts (bones, I mean) I should allow to be manipulated. My current list, sorted by ID's: 1: BONE_PELVIS1 2: BONE_PELVIS 3: BONE_SPINE1 4: BONE_UPPERTORSO 5: BONE_NECK 6: BONE_HEAD2 7: BONE_HEAD1 8: BONE_HEAD 21: BONE_RIGHTUPPERTORSO 22: BONE_RIGHTSHOULDER 23: BONE_RIGHTELBOW 24: BONE_RIGHTWRIST 25: BONE_RIGHTHAND 26: BONE_RIGHTTHUMB 31: BONE_LEFTUPPERTORSO 32: BONE_LEFTSHOULDER 33: BONE_LEFTELBOW 34: BONE_LEFTWRIST 35: BONE_LEFTHAND 36: BONE_LEFTTHUMB 41: BONE_LEFTHIP 42: BONE_LEFTKNEE 43: BONE_LEFTANKLE 44: BONE_LEFTFOOT 51: BONE_RIGHTHIP 52: BONE_RIGHTKNEE 53: BONE_RIGHTANKLE 54: BONE_RIGHTFOOT It's currently made to support real people, but am I going too accurate for a 2D character?

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• How to recover Wordpress on GoDaddy hosting after reseting database password? [migrated]

  - by Tom Brito

  I did reset my database password, so I could enter the phpMyAdmin, but now my Wordpress installation can't connect to the database. I tried to access the "wp-config.php" (should be at http://mysite.com/wp-config.php right?) but, again, I get the "can't connect to database" message. Also, now when I try to access the file manager on the GoDaddy hosting, I get "The page isn't redirecting properly". I did e-mail the GoDaddy support, and I'm researching while they do not answer. Not sure if it's a GoDaddy or Wordpress issue. Is there any way to fix Wordpress, or I'll need to re-install it?

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• Browser Compatibility Testing - 3 [on hold]

  - by user3702046

  I'm a Sr Test Engineer working for a Start up in Bangalore, India. For my current project which is related to Browser Compatibility Testing of a website and/or mobile application, I'm exploring much about IE frequently occurring issues, HTML, CSS, JS support boundary for all IE versions .. To be very specific, I'm more concentrating on IE browser at the moment. Once i get clear understanding of the IE rendering.. Then will pick up Firefox & Chrome. So requesting your valuable inputs/suggestions/advice/opinion/sharing of knowledge of it/books. I will be eagerly waiting for your reply. Thanks, Tej

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• If a company is using ubuntu on its servers/dektops, does it have to pay?

  - by rsjethani

  a friend of my friend has started a small firm and given me the responsibility to erect all the IT infrastructure required? I'm basically a windows guy that too on the developer side. But recently I fell in love with Linux n dared to dream about becoming a Linux admin and play with Linux, virtualization, cloud etc. So, first I'll be running a pilot project of creating mail/ftp/web servers required on a Linux based server. And Ubuntu is the ideal choice for a Linux beginner right? my question is simple: if a commercial organization is using Ubuntu for it's day to day desktop and server(mail,ftp etc) uses but has technicians which can provide support internally then do the organization needs to pay for Ubuntu? If yes then could you please suggest a Debian based distro on the lines of CentOS. Also can I use the Ubuntu 12.04 LTS 64 bit desktop version instead of the no gui server version for the server machine(gui can be helpful for a windows guy like me) thanks.

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• Why doesn't Unity 3D work on my HD3000 integrated graphics?

  - by Zatsugami

  So I got my new laptop recently. HP Envy 15 with switchable graphics card. I'm using both windows and ubuntu, but for ubuntu I need just Intel HD3000 for better battery live. I've installed fglrx-updates and fglrx-amdcccle-updates. The drivers seems to work for my ATI card. The problem is, Intel HD3000 does not support Unity 3D. Why? My older Intel GMA 4500 did this. lspci -nn | grep VGA 00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0126] (rev 09) 01:00.0 VGA compatible controller [0300]: Advanced Micro Devices [AMD] nee ATI Whistler [AMD Radeon HD 6600M Series] [1002:6741] (rev ff)

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• Change A-Record in Hetzner Konsoleh

  - by Charles

  I am a Hetzner level 19 shared hosting client and would like to change the A-record for my domain. When I log in to konsoleh, I see which IP-address it points to at the moment, but not where I can change it. Does anyone know how to do it? Thanks! Solution I called Hetzner support. It was because I had to log in with my client id, not with my domain. Then I could just click on the A-record and edit it.

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• Any Other Distros with Gnome 2.32?

  - by Gowtham

  I've used Ubuntu for almost a year and I pretty much don't like the Unity environment and I installed BackTrack R3 in my laptop which uses GNOME 2.32 and I'm much impressed with that and made a decision to move to GNOME but, it is currently in version 3.x and it has been said that there is no GNOME 2.x versions are supported. I don't like the new GNOME and surfed the internet for finding a distro with that version and support. But, I can't find one. Can you specify a good distro with GNOME 2.x and Debian package installers?

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• Preparing to release code as open-source

  - by Raphael

  I have developed a fully functional tool which I would like not only to share with anyone interested but also get support from the community. This tool is cross-platform, written in C++ with Qt, the code is well commented but I still lack any documentation. There are also some small issues and improvements to be made before I can call it a stable, final version. What are the first steps that I have to take to release code as open-source and attracting people interested in contributing? This is my first serious attempt to release open-source code and I really don't know where to start. Should I just push it to Github put together a small wiki and pray for the best?

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• mailing for categories

  - by nerkn

  There are more than 10 categories in my site, users can register more than one category. My php script prepare contents of each category, according to user preference my script merge those contents for each user. so every user can get what category they want. Problem is I want to send 340+ mails per hour and dreamhost dont allow. What do you suggest? I think to a service like mailchimp but I couldnt find that scenario, do they support category & content etc. Can I use smtp in dreamhost?

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• After 10.10 -> 11.04 upgrade, can only login via Classic (No Effects)

  - by Ryan P.

  Yesterday I upgraded from 10.10 to 11.04, everything seemed to go okay until immediately after login: the desktop goes into a "corrupted" looking state (similar to having too high resolution set). I can see some kind of movement by moving the mouse around/right clicking, and can enter text terminals via ctrl + alt + f1 It does this in both plain "Ubuntu" and "Ubuntu Classic", and only seems to login/startup properly with Ubuntu Classic (No Effects). I have checked my video card (Radeon X600) and run the unity support test which passes with all "yes" results (Unity supported: yes): /usr/lib/nux/unity_support_test -p I have tried re-installing my Ubuntu desktop: rm -rf .gnome .gnome2 .gconf .gconfd .metacity sudo apt-get remove ubuntu-desktop sudo apt-get install ubuntu-desktop With no success. I can workaround for now with Classic (No Effects), but I'd really like to find the root problem. Any suggestions on what else to try would be appreciated!

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• Need a CDN with SSL

  - by Till

  We currently use Edgecast through Speedyrails. Back when I did my research they were both fast and very cost-effective. I haven't looked in a while, but now we need SSL on our assets as well. I reached out to our current provider and they want a setup fee and something like 260 USD per host per month (we use multiple hosts currently). I looked at AWS Cloudfront and it seems the most cost affective way to get SSL, but it's not a custom domain then (e.g. cdn.example.org), which I could live with. Has any else researched this lately and has any providers to get in touch with - can be resellers or direct buys. I'm not looking for a bargain, I just want to get an idea what these things cost. Edit, 2012-08-23: Must have is custom origin. E.g. I don't want to manually upload files somewhere else. Edgecast and Cloudfront both support this.

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• Implementing RAID 1 in Ubuntu 10.04 Desktop [closed]

  - by Dibyendra

  I found many resources on implementing RAID 1 using two disk drives. But, I am confused while implementing RAID 1 using 4 RAID disks. Can we use two disks for storage and two for mirroring using RAID 1? I couldn't find the way to create RAID disk using gparted tool in Ubuntu 10.04 Desktop version. Maybe, the desktop version doesn't support RAID. I am trying to implement RAID on the existing Ubuntu installation? I have added 4 X 2TB HDD in the system and I want RAID 1 to be implemented in these 4 drives with 2 drives for storage and 2 devices for mirroring. Any help would be appreciated. Thanks! Updated: I installed Ubuntu 12.04 LTS and followed the following tutorial and it works now: www.youtube.com/watch?v=z84oBqOxsD0

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• Is it ok to run with unknown video device?

  - by JTex

  I'm new to linux and just starting to learn. From what I've read and experimented with there's no more support for older ati mobility cards. I resolved a few boot issues with my first install of Ubuntu 12.10(now on clean install #3) and my system seems to function ok with video unknown. Picture quality is good and no issues with video playback. It functions for my purposes. Should I leave it as is......or will this cause problems I'm not aware of? Thanks

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• Fatal Error when booting

  - by Denja

  I'm running Ubuntu 10.10 with ATI proprietary FGLRX graphic drivers When I boot, I can see this very quick message appearing; I don't have time to read it: **Fatal Error ..................................**(&@something i cant read) I searched through the log file in /var/log/ in order to find what is wrong and I did find something in the /var/log/Xorg.1.log: 21:31:08 [ 15.734] (--) using VT number 1 [ 204.647] Fatal server error: [ 204.647] xf86OpenConsole: VT_WAITACTIVE failed: Interrupted system call [ 204.647] [ 204.647] Please consult the The X.Org Foundation support at http://wiki.x.org for help. [ 204.647] Please also check the log file at "/var/log/Xorg.1.log" for additional information. [ 204.647] But this is already Xorg.1.log. And there is a Xorg.0.log also & Xorg.0.log.old but it doesnt have any error in it. My system seems to work properly and it seems its not affected by this But how do I correct this message? Any suggestions?

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