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• Exporting UV coords from Blender

  - by Soapy

  So I have searched on google and various other websites but I've not found an answer. The only ones I did find did not work. So my question is how do I get UV coords from blender (2.63)? Currently I'm writing my own custom file exporter, and so far have managed to export vertices and their normals. Is there a way to export the UV coords? N.B. I'm currently try to figure it out using a simple cube that is unwrapped and has a texture applied to it.

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• Is it safe to Block These URLs with Robots.txt?

  - by Edgar Quintero

  I have a website that has all URLs optimized and 301 redirected from nasty URLs to clean ones. However, everywhere throughout the site the unclean URLs are linked in menus, content, products, etc. Google currently has all clean URLs indexed, along with a few unclean URLs too. So the site still has linked everywhere the old URLs (ideally this wouldn't be the case but this is how it is ATM). I would like to block the unclean URLs with robots.txt. The question: If I block these unclean URLs with the robots.txt, when the entire website is linked with them (but they all redirect to the clean version), will this affect the indexing status at all?

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• Best practices for upgrading user data when updating versions of software

  - by Javy

  In my code I check the current version of the software on launch and compare it to the version stored in the user's data file(s). If the version is newer, then I call different methods to update the old data to the newer data version, if necessary. I usually have to make a new method to convert the data with each update that changes user data in some way, and cannot remove the old ones in case there was someone who missed an update. So the app must be able to go through each method call and update their data until they get their data current. With larger data sets, this could be a problem. In addition, I recently had a brief discussion with another StackOverflow user this and he indicated he always appended a date stamp to the filename to manage data versions, although his reasoning as to why this was better than storing the version data in the file itself was unclear. Since I've rarely seen management of user data versions in books I've read, I'm curious what are the best practices for naming user data files and procedures for updating older data to newer versions.

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• How to camel-case where consecutive words have numbers?

  - by Rob I

  Just wondering if anybody has a good convention to follow in this corner-corner-corner case. I really use Java but figured the C# folks might have some good insight too. Say I am trying to name a class where two consecutive words in the class name are numeric (note that the same question could asked about identifier names). Can't get a great example, but think of something like "IEEE 802 16 bit value". Combining consecutive acronyms is doable if you accept classnames such as HttpUrlConnection. But it seriously makes me throw up a little to think of naming the class IEEE80216BitValue. If I had to pick, I'd say that's even worse than IEEE802_16BitValue which looks like a bad mistake. For small numbers, I'd consider IEEE802SixteenBitValue but that doesn't scale that well. Anyone out there have a convention? Seems like Microsoft's naming guidelines are the only ones that describe acronym naming in enough detail to get the job done, but nobody has addressed numbers in classnames.

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• How to choose a language, when taking in account the community it includes?

  - by Rick Rhodes

  I was reading the following article: Great Hackers The following part grabbed my attention: "When you choose a language, you're also choosing a community. The programmers you'll be able to hire to work on a Java project won't be as smart as the ones you could get to work on a project written in Python. And the quality of your hackers probably matters more than the language you choose. Though, frankly, the fact that good hackers prefer Python to Java should tell you something about the relative merits of those languages." I would like to apply his advice on a commercial web application I am building (I am a strong believer in culture and community), yet this article was written in 2004, and python has increased in popularity in the recent years. How can I decided a language when taking in consideration its community, rather than the popularity? Any recommendations? Is there any language community that show dedication and passion for developing, rather than learning a language to get a Job and a paycheck?

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• 3ds Max CAT to XNA

  - by user12214

  Has anyone successfully used the CAT bone system in 3ds Max and exported the file into XNA? If so, what was your method of doing so? There are a number of methods of doing this apparently, but the ones I've tried have not worked. I used the Panda Exporter which creates a .X file. This seems to be the latest way of going about this, but when it's loaded in XNA, there is an error saying something about the bone weights. This happens when I export with and without CAT bones.

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• How to better start learning programming - with imperative or declarative languages?

  - by user712092

  Someone is interested in learning to program. What language paradigm should I recomend him - imperative or declarative? And what programming language should he start with? I think that declarative because it is closer to math. And I would say that Prolog might be the best start because it is based on logic and programs are short. On the other hand at school we started learning from imperative languages and I am not sure whether there is a benefit to start with them instead of declarive ones. Thanks. :)

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• How to change default foreign language font

  - by preahkumpii

  I want to know how to change the default font that is used when inputting a particular language. I use the Khmer language frequently, and the default font installed comes from the fonts-khmeros-core package. The fonts are fine, except that there better fonts. Once I install my beloved font, how do I cause Ubuntu to use that font instead of the ones from the package? Additionally, if you remove the fonts-khmeros-core package, and have only the custom font installed, the custom font will not be used by default, even if no other Khmer fonts are installed. However, when you install that package, those fonts are immediately used by default. Any ideas? Thanks.

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• Launcher icon differences in pixels between monitors usign same resolution

  - by Luis Alvarado

  Today I got to test a Samsung SyncMaster 2043nwx. My normal monitor was a 1080p Soniview TV that supports 1920x1080. I use 1680x1050 (16:10) as my common resolution. My amazed is when I see that the launcher icons looks more to a "correct size" of 32px to what they show in my Soniview where they actually take about 50% more using the same resolution. They are both the same resolution but in the Soniview the launcher icons look 50% bigger than the ones in the Samsung. My question is then, why the difference between both monitors since they are using the same resolution but are showing different launcher icon sizes.

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• How do I get my folders back on my desktop?

  - by Christopher Allen

  Using the 12.04 version. This morning the Update Manager popped up, I clicked it and it said some items will be un-installed and some will be upgraded and new ones will be installed. I did it and restarted. On restart, I entered my password about 5 times and it said it was incorrect. I changed the shell from Gnome to Ubuntu and logged on then changed it back to Gnome and I was able to log on. However, all my folders on the screen are gone but they appear under Desktop in the Home folder. How do I get then back on the screen?

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• "Failed to fetch" while updating

  - by Farouk BA

  I'm trying to update from ubuntu 12.10 lately but I keep getting the "Failed to fetch" error. W: Failed to fetch ht tp://security.ubuntu.com/ubuntu/dists/quantal-security/Release Unable to find expected entry 'independent/binary-amd64/Packages' in Release file (Wrong sources.list entry or malformed file) W: Failed to fetch ht tp://archive.ubuntu.com/ubuntu/dists/quantal/Release Unable to find expected entry 'independent/source/Sources' in Release file (Wrong sources.list entry or malformed file) W: Failed to fetch ht tp://archive.ubuntu.com/ubuntu/dists/quantal-updates/Release Unable to find expected entry 'independent/binary-amd64/Packages' in Release file (Wrong sources.list entry or malformed file) W: Failed to fetch ht tp://archive.ubuntu.com/ubuntu/dists/quantal-backports/Release Unable to find expected entry 'independent/binary-amd64/Packages' in Release file (Wrong sources.list entry or malformed file) E: Some index files failed to download. They have been ignored, or old ones used instead. I changed the server and deleted the source lists from /var/lib/apt/lists/ like some answers say but still. This is really annoiying.

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• Blender 2.64, what are the actual hot-keys for certain actions

  - by Shivan Dragon

  I know this sounds mega lame but I've looked for hotkeys for certain actions, first in the appliation's User Settings (where I didn't find them) then in the official documentation (where I did find some of them but they're not the right ones): http://wiki.blender.org/index.php/Doc:2.4/Manual/3D_interaction/Transform_Control/Manipulators (Ctrl - Alt - S is recommended for Scale, but instead it opens the Save As... window - I think these changed in the latest versions, but they forgot to update the docs) So then, what are the hot keys for: selecting translate manipulator selecting rotate manipulator selecting scale manipulator In Edit mode: select vertex (editing) select edges (editing) select faces (editing) thanks.

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• Shouldn't storage classes be taught early in a C class or book?

  - by Adam Mendoza

  Shouldn't storage classes be taught early in a C class or book? I notice that a lot of books, even some of the better ones, covert it toward and end of the book and some books just add it as an appendix. I would teach it together with variables. This is so foundational and I think unfortunately many do not make it that far in a book. Now that auto has a different meaning (vs being optional) it may confuse people that didn't realize it has always been there. for example: C Programming: A Modern Approach 18.2 Storage Classes 401 Properties of Variables 401 The auto Storage Class 402 The static Storage Class 403 The extern Storage Class 404 The register Storage Class 405 The Storage Class of a Function 406 Summary 407

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• Free (Or Cheap) Alternatives For An SSL Certificate For Facebook Apps

  - by mickburkejnr

  In October (from what I remember) Facebook will require HTTPS connections to pages and app's that are hosted away from Facebook. At the moment, it comes up with a popup saying "do you want to turn secure browsing off". I think (as far as I know) that once October comes people won't be able to access these pages any more. Now, I know you have to pay for good SSL certificates. However, for a lot of clients this is just going to be a Facebook page, and not mission critical to their businesses. With this in mind, they may not want to pay for an SSL certificate. I was wondering if there are any free SSL certificates that could do the job? Even if there are no free ones, are there any cheap alternatives? Also, if you do use a free certificate, will it still work in the same way as a paid for certificate?

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• Why does the Git community seem to ignore side-by-side diffs

  - by Kyle Heironimus

  I used to use Windows, SVN, Tortoise SVN, and Beyond Compare. It was a great combination for doing code reviews. Now I use OSX and Git. I've managed to kludge together a bash script along with Gitx and DiffMerge to come up with a barely acceptable solution. I've muddled along with this setup, and similar ones, for over a year. I've also tried using the Github diff viewer and the Gitx diff viewer, so it's not like I've not given them a chance. There are so many smart people doing great stuff with Git. Why not the side-by-side diff with the option of seeing the entire file? With people who have used both, I've never heard of anyone that likes the single +/- view better, at least for more than a quick check.

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• How can I restore a country specific apt-get update mirror?

  - by ferrarimarco

  While configuring my new 13.10 installation, I chose to change the default update server using the "Software & Updates" GUI tool available in the System settings panel. Before this change the selected update server was "Server for Italy" (I live there). Now it's one of the mirrors available in the list of mirrors (one of italian ones). How is "Server for COUNTRY" chosen in the list of mirrors for a country? How can I restore the "Server for Italy" option? Is it advisable to do so? I want to revert that setting because I found that the selected mirror is not up to date (checked from Here).

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• Limit the size of a directory by deleting old files

  - by Sulliwane

  I have a IP cam which save its recordings in a specific directory named Camera1 in my Ubuntu Server 12.04. I would like to limit the size of this folder to 5 gigs, by deleting -say once a day- the oldest files. I first checked the quota program but it doesn't seem to allow the creation of new files and deleting of the old ones. So I think the best workaround would be to run a bash script ? But I have no idea how to write it... Thank you guys !

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• How do I improve my problem-solving ability

  - by gcc

  How can I improve my problem-solving ability? Every one says same thing "a real programmer knows how to handle real problem", but they forget how they learn this ability, or where (I know in school, no one gives us any ability, of course in my opinion). If you have any idea except above ones, feel free when you give your advice solve more problems do more exercises, write code, search google then write more ... For me, my question is like "Use complex/known library instead of using your own." In other words, I want your experience, book recommendation, web page on problem solving

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• apt-get update error - binary-i386, binary-amd64 [duplicate]

  - by magamig

  This question already has an answer here: How can I fix a 404 Error when updating packages? 5 answers When I run: sudo apt-get update It shows me the following error: W: Failed to fetch http://ppa.launchpad.net/directhex/ppa/ubuntu/dists/trusty/main/binary-amd64/Packages 404 Not Found W: Failed to fetch http://ppa.launchpad.net/directhex/ppa/ubuntu/dists/trusty/main/binary-i386/Packages 404 Not Found E: Some index files failed to download. They have been ignored, or old ones used instead. I have googled for solutions, but none of what I found, have worked for me. Please give me your suggestions

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• Hosting advice for a write-heavy dynamic website

  - by Rahul Rawat

  I have built a website using PHP and MySQL and now I am looking for a hosting service. I am expecting about a 1000 users registering and about 5-10k pageviews/day in a week's time. So which host should I opt for? It will let users submit contents of type blobs and submit around 10 pictures per users. I hope that traffic will increase so can justhost's or bluehost's shared hosting serve that purpose or should I go for more dedicated ones. Basically the site is write heavy and there are average 2-3 MySQL queries per page and it is quite dynamic. So depending on these requirements which web hosting will be optimal for me.

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• Access Control Service v2

  - by Your DisplayName here!

  A Resource-STS (others call it RP-STS or federation gateway) is a necessity for non-trivial federated identity scenarios. ADFS v2 does an excellent job in fulfilling that role – but (as of now) you have to run ADFS on-premise. The Azure Access Control Service is a Resource-STS in the cloud (with all the usual scalability/availability) promises. Unfortunately a lot of (the more interesting) features in ACS v1 had to be cut due to constrained time/resources. The good news is that ACS v2 is now in CTP and brings back a lot of the missing features (like WS* support) and adds some really sweet new ones (out of the box federation with Google, Facebook, LiveID – and OpenId in general). You can read about the details here. On a related note – ACS v2 works out of the box with StarterSTS – simply choose the ADFS v2 option and point the management portal to the StarterSTS WS-Federation metadata endpoint. Have fun ;)

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• Ubuntu 11.10 Unity - all Windows decorations disappear after I maximize any window

  - by korda

  When I maximize some of the windows all decorations disappear (by all, I mean on all windows)... Is that common issue on Unity or I'm just unlucky to have some prone to that bug configuration? Anyone have idea how to fix this? EDIT: It won't fix after unmaximize. It seems like maximazing window simply crashes window decorator. Decoration isn't displayed for all existing windows and any new ones. Only way I found to fix this is to run compiz --replace (but this ruins current windows placement - all windows end up on same desktop). It happens almost every time I maximize window.

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• Why my site is not ranking for particular keyword

  - by user543087

  My site is only 3 days to be 6 months old. This website is unique, that is there is no competitor to this type site in India, providing comparison of payment gateways in India, besides the payment gateways companies itself. I've optimized it for key word : "payment gateway" I've changed the url's twice, latest being 3 months back, in which case Google Webmaster gave plently of 404's. I corrected the useful 404's and left meaningless ones as it is. What is the reason it's not ranking well for payment gateways? Even site with single page about "Payment gateways" seem to be ranking better than this. Is it does to: 1) Lot of outbound links to in-context companies and information 2) 404's as reported in Google Webmaster My another site is successfully getting 1500 unique visitors daily and is up in Google ranking. I don't know why it is not!

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• What payment processors fullfill this requirements and what are their pluses and minuses? [on hold]

  - by Sharen Eayrs

  Accept credit card Allow me to automatically credit a customers' account. We're not selling e-book. We're selling a credit to our account. So it's important that customers do not get credited twice. Easy to program and integrate with our sites. Have affiliate programs. Transfer money to bank accounts quickly Accept merchants from many countries No monthly fee is a plus. I am thinking of using 2co.com avangate.com clickbank.com Some people reccomend https://stripe.com/us/features (is it easy to implement) http://www.paymentwall.com/ There are so many payment processor I am very confused. Can anyone tell me pluses and minuses of those ones. or perhaps others. What would be the plus and minuses of those 3 that you know off

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• wireless not connecting in 12.04 update

  - by Julie

  I just updated from 10.04 to 12.04. I am not very knowledgeable at all with Ubuntu since it is still relatively new to me. I went through the whole update today and yesterday and now that it is finished it will not acknowledge that there are any wireless connections around, nor does it give me an option to pick one. it just tells me what ones I've used in the past. is there any way that someone can help me? I have read through and attempted almost every fix that everyone has found and nothing is working and I'm super confused.

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