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• Directory Synchronization

  - by Robert May

  We’re using federated security with Office 365 and everything was running swimmingly and then I started getting the following error when trying to synchronize security information: “An unknown error occurred with the Microsoft Online Services Sign-in Assistant. Contact Technical Support.” Great.  Very descriptive.  In the event viewer, you get a bit more detail: GetAuthState() failed with -2147186688 state. HResult:0. Contact Technical Support.  (0x80048831) If you do some searching, you’ll find that there are a couple of MSDN articles about this error.  In KB2502710 you’re told to reinstall sign in assistant.  This one requires a reboot.  In KB2517393 you’re told to make sure that your proxy settings are working correctly.  I’m not using a proxy and everything was set up right. Rather frustrating and I couldn’t figure out what was going on.  What finally keyed me in was the error number being presented.  Rather than 80048800, which is listed in the second article, I was getting 80048831.  I did a quick search and found something that was seemingly unrelated here.  Could it really be so simple as the password having expired for my synchronization user? Turns out, it was that simple.  Once the password was reset and reentered, everything worked great again. Since this isn’t a user that humans use, I also don’t want the password to expire.  You can find the instructions for that (use Set-MsolUser –UserPrincipalName <user ID> –PasswordNeverExpires $true) here. Technorati Tags: Office 365

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• Grid collision - finding the location of an entity in each box

  - by Gregg1989

  I am trying to implement grid-based collision in a 2d game with moving circles. The canvas is 400x400 pixels. Below you can see the code for my Grid class. What I want it to do is check inside which box the entities are located and then run a collision check if there are 2 or more entities in the same box. Right now I do not know how to find the position of an entity in a specific box. I know there are many tutorials online, but I haven't been able to find an answer to my question, because they are either written in C/C++ or use the 2d array approach. Code snippets and other help is greatly appreciated. Thanks. public class Grid { ArrayList<ArrayList<Entity>> boxes = new ArrayList<>(); double boxSize = 40; double boxesAmount = 10; ... ... public void checkBoxLocation(ArrayList<Entity> entities) { for (int i = 0; i < entities.size(); i++) { // Get top left coordinates of each entity double entityLeft = entities.get(i).getLayoutX() - entities.get(i).getRadius(); double entityTop = entities.get(i).getLayoutY() + entities.get(i).getRadius(); // Divide coordinate by box size to find the approximate location of the entity for (int j = 0; j < boxesAmount; j++) { //Select each box if ((entityLeft / boxSize <= j + 0.7) && (entityLeft / boxSize >= j)) { if ((entityTop / boxSize <= j + 0.7) && (entityTop / boxSize >= j)) { holdingBoxes.get(j).add(entities.get(i)); System.out.println("Entity " + entities.get(i) + " added to box " + j); } } } } } }

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• Introducing RedPatch

  - by timhill

  The Ksplice team is happy to announce the public availability of one of our git repositories, RedPatch. RedPatch contains the source for all of the changes Red Hat makes to their kernel, one commit per fix and we've published it on oss.oracle.com/git. With RedPatch, you can access the broken-out patches using git, browse them online via gitweb, and freely redistribute the source under the terms of the GPL. This is the same policy we provide for Oracle Linux and the Unbreakable Enterprise Kernel (UEK). Users can freely access the source, view the commit logs and easily identify the changes that are relevant to their environments. To understand why we've created this project we'll need a little history. In early 2011, Red Hat changed how they released their kernel source, going from a tarball that had individual patch files to shipping the kernel source as one giant tarball with a single patch for all Red Hat-introduced changes. For most people who work in the kernel this is merely an inconvenience; driver developers and other out-of-kernel module developers can see the end result to make sure their module still performs as expected. For Ksplice, we build individual updates for each change and rely on source patches that are broken-out, not a giant tarball. Otherwise, we wouldn’t be able to take the right patches to create individual updates for each fix, and to skip over the noise — like a change that speeds up bootup — which is unnecessary for an already-running system. We’ve been taking the monolithic Red Hat patch tarball and breaking it into smaller commits internally ever since they introduced this change. At Oracle, we feel everyone in the Linux community can benefit from the work we already do to get our jobs done, so now we’re sharing these broken-out patches publicly. In addition to RedPatch, the complete source code for Oracle Linux and the Oracle Unbreakable Enterprise Kernel (UEK) is available from both ULN and our public yum server, including all security errata. Check out RedPatch and subscribe to [email protected] for discussion about the project. Also, drop us a line and let us know how you're using RedPatch!

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• Offsite Backup

  - by Grant Fritchey

  There was a recent weather event in the United States that seriously impacted our power grid and our physical well being. Lots of businesses found that they couldn’t get to their building or that their building was gone. Many of them got to do a full test of their disaster recovery processes. A big part of DR is having the ability to get yourself back online in a different location. Now, most of us are not going to be paying for multiple sites, but, we need the ability to move to one if needed. The best thing you can to start to set this up is have an off-site backup. Want an easy way to automate that? I mean, yeah, you can go to tape or to a portable drive (much more likely these days) and then carry that home, but we’ve all got access to offsite storage these days, SkyDrive, DropBox, S3, etc. How about just backing up to there? I agree. Great idea. That’s why Red Gate is setting up some methods around it. Want to take part in the early access program? Go here and try it out.

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• Ubuntu 11.04 64bits Keeps Randomly Freezing

  - by user971602

  This has been a real headache for me since the number of freezes has increase from twice a week to about 1 or twice a day. The system just halts and nothing can be done but hitting the restart button. At the beginning I thought it was related to Flash since I was getting random freezes when playing full screen flash videos online. I also thought it could be the wireless pci card. But the system has freezed using browsing around GNOME. The truth is, the freezes are really random and strange. I checked this thread Ubuntu keeps randomly freezing and try to ssh my computer using another one, but I could not ssh since it was really totally frozen. NumLock or CapsLock wasn't responding or blinking. Since I could not ssh I, also ignored this article https://wiki.ubuntu.com/X/Troubleshooting/Freeze According to my wife, the system has also halted under Win7 Pro 64bit but with less frequency. Here is my system configuration Intel Core i7 2600k ASRock Z68 Extreme3 gen3 Motherboard Crucial M4 128GB CT128M4SSD2 SSD WD Caviar Green WD10EADS 1TB SATA II G.SKILL Ripjaws X Series 8GB (2 x 4GB) DDR2 OCZ ModXStream 600W Power Supply Rosewill RNX-N300X PCI Wireless Adapter No external Graphics Card I remove the Wireless card and used Ethernet to see if the problem was the that, but I got a freeze after doing that. I also ran memtest86 and everything was ok. The only other thing I might suspect of is the SSD. I will try to clone the SSD to a HDD to see if that solve the problem. At this point I am stuck with the freezes. Do anyone have a clue of why this is happening and how can i solve this?

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• What's the point of the Prototype design pattern?

  - by user1905391

  So I'm learning about design patterns in school. Many of them are silly little ideas, but nevertheless solve some recurring problems(singleton, adapters, asynchronous polling, ect). But today I was told about the so called 'Prototype' design pattern. I must be missing something, because I don't see any benefits from it. I've seen people online say it's faster than using "new"' but this is doesn't make any sense, since at some point, regardless how the new object is created, memory needs to be allocated for it ect. Furthermore, doesn't this pattern run in the same circles as the 'chicken or egg' problem? By this I mean, since the prototype pattern essentially is just cloning objects, at some point the original object must be created itself (ie, not cloned). So this would mean, that I would need to have an existing copy of every object that I would ever want to clone already ready to clone? Seems stupid to me. Can anyone explain what the use of this pattern is? Original post: http://stackoverflow.com/questions/13887704/whats-the-point-of-the-prototype-design-pattern

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• Is there a proven concept to website reverse certificate authentication?

  - by Tom

  We're looking at exposing some of our internal application data externally via a website. The actual details of the website aren't that interesting, it'll be built using ASP.NET/IIS etc, that might be relevant. With this, I'm essentially I'm looking for a mechanism to authenticate users viewing my website. This sounds trivial, a username/password is typically fine, but I want more. Now I've read plenty about SSL/x.509 to realise that the CA determines that we're alright, and that the user can trust us. But I want to trust the user, I want the user to be rejected if they don't have the correct credentials. I've seen a system for online banking whereby the bank issues a certificate which gets installed on the users' computer (it was actually smartcard based). If the website can't discover/utilise the key-pair then you are immediately rejected! This is brutal, but necessary. Is there a mechanism where I can do the following: Generate a certificate for a user Issue the certificate for them to install, it can be installed on 1 machine If their certificate is not accessible, they are denied all access A standard username/password scheme is then used after that SSL employed using their certificate once they're "in" This really must already exist, please point me in the right direction! Thanks for your help :)

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• Site experiencing low traffic volume between 8AM and 4PM BST

  - by BizNuge

  There may be no definitive answer to this question but I thought peer review of the problem might stimulate some ideas on the topic. We have a boutique sales site that is experiencing low volumes of traffic (both UK and international) between 8AM and 4PM BST. This seems sort of strange since our target audience for the site is UK based, and this would seem to be when people are awake and online. We are in contact with another boutique site in the same sector who don't experience this issue, so it seems kinda strange. Later on in the day we are getting traffic from the UK, as well as a fair amount of international traffic, so I'm at a loss to figure this one out. The site is fairly well optimised including:- sitemap.xml Proper caching policies across the board google merchant dublin core microdata html5 pretty urls meta and content are reviewed as an ongoing concern we have decent sitelinks for direct queries thru google on the site name a decent amount of inbound links FB, Twitter, Google +1 Google maps listing [verified] site has been selling for ~4 months and is getting ~250 users per day. So I'm not entirely sure how to explain the mid day dip in our figures.... Any ideas at all would be useful. Cheers all!

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• Rebuilding a Mac Mini (early 2009) --- Update

  - by Kelly Jones

  A couple of months ago I rebuilt the family’s Mac Mini (you can read the details in this post).  Things had gone pretty smoothly until a few weeks ago.  That’s when my wife mentioned that different applications would spontaneously crash. She kept track for a few days, and it turned out to be any or all of the applications that she uses (Safari, Quicken, Entourage, etc.) . I did some online research and didn’t really find too much – but then how do you do a proper Google search for “Mac OS 10.5.8 applications crash”.  The best suggestion seemed to be issues around 10.5.8, where people suggested that you go back to a previous version (something like 10.5.6).  The only way to do that is to completely reinstall the OS – which is what I had just done. SO, instead of doing that, I decided to just reapply the 10.5.8 update by downloading it from Apple (http://support.apple.com/downloads/Mac_OS_X_10_5_8_Combo_Update ).  I had installed the updates after the rebuild through the Apple Update mechanism built into OS X.  I thought maybe the combo update would reinstall some corrupted file (or something). I did this about a week ago and sure enough, we’ve had one crash this week with the same usage patterns as before.  I still have no idea what was causing the crashes, but at this point, I’m just going to declare it fixed and move on.

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• Should static parameters in an API be part of each method?

  - by jschoen

  I am currently creating a library that is a wrapper for an online API. The obvious end goal is to make it as easy for others to use as possible. As such I am trying to determine the best approach when it comes to common parameters for the API. In my current situation there are 3 (consumer key, consumer secret, and and authorization token). They are essentially needed in every API call. My question is should I make these 3 parameters required for each method or is there a better way. I see my current options as being: Place the parameters in each method call public ApiObject callMethod(String consumerKey, String consumerSecret, String token, ...) This one seems reasonable, but seems awfully repetitive to me. Create a singleton class that the user must initialize before calling any api methods. This seems wrong, and would essentially limit them to accessing one account at a time via the API (which may be reasonable, I dunno). Make them place them in a properties file in their project. That way I can load the properties that way and store them. This seems similar to the singleton to me, but they would not have to explicitly call something to initialize these values. Is there another option I am not seeing, or a more common practice in this situation that I should be following?

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• how to store and retrieve/generate UI?

  - by thindery

  I'm working on a site that will have hundreds, and eventually thousands, of paper products that users can customize online. Here is a very simple sample of what needs to be generated based on the product id: demo. This is a very simple version. I plan on replacing text fields with prettier elements(like the slider on tab 3). I imagine most of this can be achieved via jquery. So basically a product will have multiple pages(tabs), with multiple form elements on each page. I've never done a large scale project like this before and I am looking for ideas/suggestions for how I can store the info for each product that needs to be generated to create the UI. For each product, I need to store how many pages there are, what form fields are on each page, and the order of the fields on the page. As well as setting default text values and form options(font size, etc). Then with all this info stored somewhere, I can have the web app retrieve it and generate the UI with text fields, sliders, and other jquery-ish form enhancements, for that particular product. Can anyone toss out some suggestions, links, blogs, tutorials? I'm not really sure where to begin with this or what I need to start to investigate. I have experience with php, mysql, javascript, jquery, html, css, and that is really about it. I'm open to learning(and would enjoy exploring) new frameworks, programming, etc that will really get this web app working correctly, efficiently, and effectively. Maybe I should start looking into a mvc framework? like i said, i really have no idea what is the best approach. please let me know your suggestions!

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• Live Webcast: Crystal Ball: Simulation of production uncertainty in unconventional reservoirs - November 29

  - by Melissa Centurio Lopes

  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-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} In our webcast on 29 November, Oracle solution specialist Steve Hoye explains how you can effectively forecast EURs for unconventional reservoirs – supporting better investment decisions and reducing financial exposure and risk. Attend the webcast to find out how your Oil & Gas industry can: Use historical production data and data from other unconventional reservoirs to generate accurate production forecasts Conduct Monte Carlo simulations in minutes to model likely declines in production rates over time Accurately predict probable EURs to inform investment decisions Assess the site against key criteria, such as Value at Risk and Likelihood of Economic Success. Don't miss this opportunity to learn new techniques for mitigating financial risk across your unconventional reservoir projects. Register online today. "Oracle Crystal Ball is involved in every major investment decision that we make for wells." Hugh Williamson, Risk and Cost Advisor, Drilling and Completions, BP

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• VMware Player 5.0 or VMware Workstation 9.0 after upgrade to Ubuntu 12.10

  The upgrade process Upgrading Ubuntu 12.04 to latest version 12.10 - aka Quantal Quetzal - is straight forward and you only need to follow the offical upgrade instructions. Short version on the console looks like this: sudo do-release-upgrade This will update the repository entries, and start the upgrade process. After some minutes or hours of download and installation, you have to reboot your system once to get the new kernel loaded. As time of writing, I'm on '3.5.0-17-generic'. And as with any modification of the kernel version, you have to compile the necessary kernel modules to get VMware Player or Workstation up and running. Usually, this happens the first time you try start your VMware software and that's it. Well, again not so this time. Getting the kernel patch Luckily, the community over VMware is very active and you can get a new kernel patch in the online forums here. Get the download and put in a folder have write permissions. Then you extract the archive on the console like so: tar -xjvf vmware9_kernel35_patch.tar.bz2 Then you change into the newly created folder: cd vmware9_kernel3.5_patch/ And you execute the available shell script as root (superuser) like so: sudo ./patch-modules_3.5.0.sh This will stop any running instances of VMware software, patches the source files and runs the compile process for your active environment. This might take some time depending on your machine, and once completed you can start VMware Player or Workstation as previously. In case that you are going to apply the patch again, the script will simply quit with the following output: /usr/lib/vmware/modules/source/.patched found. You have already patched your sources. Exiting You might remove the .patched file in case that you upgraded/changed your kernel and you need to apply the patch again. Disclaimer: The patch is "as-is" and the patcher is originally created by Artem S. Tashkinov, and later modified by An_tony. Please refer to the VMware forum in case of questions or problems. There are also patches available for older versions of VMware Player or Workstation.

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• Noise Canceling Earphones

  - by Mark Treadwell

  I travel a lot. The hours spent droning through the sky can be made more tolerable with an MP3 player and a set of noise-cancelling headphones. Reducing the sound of the airflow and engines is a great relief. For a year or two, I used a pair of folding Sony MDR-NC5 Noise Canceling Headphones, the ear foam covers self-destructed. I replaced them with old washcloth material and was happy, but the DW thought it looked bad.  I switched to a new set of Sony MDR-NC6 Noise Canceling Headphones.  These worked equally well, although they did not fold as small as the MDR-NC5 headphones. Over four years of use, the MDR-NC6 headphones started cutting out and making popping noises.  This was not surprising considering the beating they took on travel in my backpack.  It looked like I needed another new set. The older MDR-NC5 headphones were still on the shelf with the hated washcloth covers.  A quick search online showed a vibrant business in selling replacement ear foams, often at exorbitant prices.  Nowhere did I see ear foam covers made for the oblong MDR-NC5.  I then realized that foam is stretchable and that the shape should not matter.  After another search and some consideration, I purchased 2-5/16" foam pad ear covers that were able to stretch over the MDR-NC5's strange shape.  Problem solved for less than $5.

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• Is it a good practice to create a list of definitions for all symbols and words in a programming language?

  - by MrDaniel

  After arriving at this point in Learning Python The Hard Way I am wondering if this is a good practice to create a list of symbols and define what they do as noted in bold below, for every programming language. This seems reasonable, and might be very useful to have when jumping between programming languages? Is this something that programmers do or is it just a waste of effort? Exercise 22: What Do You Know So Far? There won't be any code in this exercise or the next one, so there's no WYSS or Extra Credit either. In fact, this exercise is like one giant Extra Credit. I'm going to have you do a form of review what you have learned so far. First, go back through every exercise you have done so far and write down every word and symbol (another name for 'character') that you have used. Make sure your list of symbols is complete. Next to each word or symbol, write its name and what it does. If you can't find a name for a symbol in this book, then look for it online. If you do not know what a word or symbol does, then go read about it again and try using it in some code. You may run into a few things you just can't find out or know, so just keep those on the list and be ready to look them up when you find them. Once you have your list, spend a few days rewriting the list and double checking that it's correct. This may get boring but push through and really nail it down. Once you have memorized the list and what they do, then you should step it up by writing out tables of symbols, their names, and what they do from memory. When you hit some you can't recall from memory, go back and memorize them again.

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• Oracle OpenWorld Recap - A Walk in the Clouds (and heat in San Francisco)!

  - by Di Seghposs

  Whether you were one of the 50,000 attendees in San Francisco or one of the million+ online attendees – we’d like to thank you for joining us at Oracle OpenWorld last week! With temperatures in the 80s and 90s, attendees traveled the overheated streets to join packed keynotes and general sessions – all to find the information they came in search of – Oracle solutions to address their business requirements and challenges. The buzz of this year’s OpenWorld was all about ‘The Cloud’. And, the financial management team joined in the cloud buzz with Thomas Kurian’s keynote which highlighted our ERP Cloud Service as the most complete cloud service on the market. Offering the full breadth of business operations, including Financial Management, Risk and Control Management, Project Portfolio Management, Procurement, Sourcing, and Inventory Management, Oracle ERP Cloud Service transforms the back office into a collaborative, efficient, and intuitive hub. And, our product marketing expert on Financial Management, Annette Melatti, provided a glimpse of what the office of finance looks like in the 21st century as well as shared what’s next for Oracle’s financial solutions discussing the future of Financial Management with Fusion Financials, E-Business Suite, PeopleSoft and the JD Edwards solutions. There were over 120 sessions from customers, partners, and Oracle experts that addressed financial management solutions along with demo pods and Meet the Experts sessions. We hope you found what you were looking for! Missed any of the keynotes or general sessions? Watch them on demand here. At OpenWorld, we also announced that Lending Club, the leading platform for investing in and obtaining personal loans, has selected Oracle ERP Cloud Service to help improve decision-making, implement robust reporting, and take advantage of the cost savings provided by the cloud. The CFO of Lending Club, Carrie Dolan had mentioned that they “are an innovative, data-intensive, high-growth company and needed a solution and partner that could match us. We conducted a thorough review of our options, and Oracle ERP Cloud Service was the clear winner in terms of capabilities and business value as well as commitment to us as a customer.” Read the entire release here. For now, it’s back to business as we gear up for the second half of our fiscal year and start planning for Oracle OpenWorld 2013!

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• 3D Box Collision Data Import

  - by cboe

  I'm trying to implement a collision system using oriented bounding boxes, using a center for the box, it's extents as a 3D Vector and a rotation matrix, which is all stuff I picked up online and seem to be somewhat the standard. Detecting the center is no problem so I'm gonna leave these out here. My problem however is importing the data from a 3D file. Say I've placed a box with 2 units length on each side aligned to the world axis. The logic results here are extents of 1,1,1 and I use an identity matrix for rotation - easy. However I'm stuck when I rotate the box in the 3D program, say 30 degrees each axis. How would I parse the box? I only have these 8 vertices as information, and I guess what I would need to do is to find out the rotation of said box, apply it to the vertices so they are aligned to world axes and then calculate the extents out of that. How do I get the rotation of the box when I only have the vertex information of the box available?

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• python2.7 help() modules returnd error

  - by GerberaH

  # python Python 2.7.3 (default, Aug 1 2012, 05:14:39) [GCC 4.6.3] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> help() Welcome to Python 2.7! This is the online help utility. If this is your first time using Python, you should definitely check out the tutorial on the Internet at http://docs.python.org/tutorial/. Enter the name of any module, keyword, or topic to get help on writing Python programs and using Python modules. To quit this help utility and return to the interpreter, just type "quit". To get a list of available modules, keywords, or topics, type "modules", "keywords", or "topics". Each module also comes with a one-line summary of what it does; to list the modules whose summaries contain a given word such as "spam", type "modules spam". help> modules Please wait a moment while I gather a list of all available modules... /usr/lib/python2.7/dist-packages/gobject/constants.py:24: Warning: g_boxed_type_register_static: assertion `g_type_from_name (name) == 0' failed import gobject._gobject /usr/lib/python2.7/dist-packages/gtk-2.0/gtk/__init__.py:40: Warning: g_boxed_type_register_static: assertion `g_type_from_name (name) == 0' failed from gtk import _gtk ** (python:6240): CRITICAL **: pyg_register_boxed: assertion `boxed_type != 0' failed /usr/lib/python2.7/dist-packages/gtk-2.0/gtk/__init__.py:40: Warning: cannot register existing type `GdkDevice' from gtk import _gtk /usr/lib/python2.7/dist-packages/gtk-2.0/gtk/__init__.py:40: Warning: g_type_get_qdata: assertion `node != NULL' failed from gtk import _gtk Speicherzugriffsfehler (Speicherabzug geschrieben)

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• Developing a TCK: Spec Lead Call for Spec Leads 20 December

  - by Heather VanCura

  The JCP Program will be hosting a Spec Lead call on 20 December on the topic of developing a Technology Compatibility Kit (TCK).  A Technology Compatibility Kit is a required output of a JSR at Final Release, along with the Specification and Reference Implementation (RI).   The TCK must test all aspects of a specification that impact how compatible an implementation of that specification would be, such as the public API and all mandatory elements of the specification. The Reference Implementation is required to pass the TCK. A vendor's implementation of a specification is only considered compatible if the implementation passes the TCK fully and completely.  The TCK is used to test implementations of the Final Specification to make sure that they are fully compatible. The call will be recorded and posted on the JCP.org multimedia page along with any related materials.   Invitation details for the online meeting:Topic: SL Call: Developing a TCK Date: Thursday, December 20, 2012 Time: 9:30 am, Pacific Standard Time (San Francisco, GMT-08:00) Meeting Number: 804 390 892 Meeting Password: 2222 ------------------------------------------------------- To join the audio conference -------------------------------------------------------     +1 (866) 682-4770 (US)     Conference code: 945-4597    Security code: 52775 ("JCPSL" on your phone handset)     For global access numbers see http://www.intercall.com/oracle/access_numbers.htm         Or +1 (408) 774-4073

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• Value my C++ knowledge

  - by PirateOwh

  I have only followed antiRTFM tutorials and read 2 books So, I'll list the things I know better : basic input output and all the variables : integers ( signed unsigned ), float, double, char arrays if, for, while, switch functions, and passing variables to functions and return type thing classes and the concept of oop with separating declaration and definition in the header and in the source pointers so this and some more i think is all i know of C++.. But, i need some exercises to test my knowledge because i want to move on to the library SDL, so I don't know if i should feel ready or not to move on to something totally different.. I feel I should know the basics for good at least. So the question is : How can i value my c++ knowledge? Is there any online tests? Is there any GDD ( Game Design Document ) for free to use and see if i can manage to do it so "i'd pass" ? ( I'm saying GDD since ill move on to SDL and try to make my own game ) When should I move to SDL? What are ALL the things I should "master" ( master is a big word to say.. but so you understand what i mean ) before moving on ? Please I'm really in need of expert advice. I think my question is detailed so i hope you understand what i mean and can give me a good reply. Thanks for the help!

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• Applying for job: how to showcase work done for (private) past clients?

  - by user33445566

  I want to apply for my first "real" (read: non-freelance) Ruby on Rails job. I've built several apps already. My best work (also the most logically complicated app) was for a freelance client, and I'd like to show it to potential employers. Only problem is: it isn't online anymore. And I've lost touch with the client. How can I include this work in my portfolio? About the app: It's a Facebook game. The client's business idea for this app was not the best. It was never going to make any money. I think it was kind of a vanity side project for him. The logo and graphics are nice-looking, though, and were designed by the client. I've actually spent a lot of time recently recoding most of the app, and adding a full test suite. I want to showcase the BDD / TDD skills I've acquired. I'm not very familiar with the etiquette (/law?) concerning this situation. Can I just put my new version of the app up at a free Heroku URL (perhaps with a "credits" section, where I credit the ideas and graphic designs to my former client)? NOTE: Again, this is just to show potential employers. I am not trying to market the app as my idea, or attract any users. Can I put some or all of the code on GitHub? What if I don't put the code up publicly, but merely send a tarball to potential employers? Do I need to ask permission from my former client (and what if he says no)? The last thing I want to do is get in any legal trouble, or offend people I'm trying get a job from. But I believe that my work and experience on this app are my highest recommendation for getting a job.

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• Feedback on meeting of the MSCC - 20.07.2013

  Impression of our meetup on 20.07.2013 Low quantity but high quality! Meetup summary: Quick introduction to ?MSCC? and interesting topics in general, especially for freshman from/at university. It also seems that the open concept of OUYA (Android-based gaming console) got some attention and hopefully new fans. More info is available online: http://www.ouya.tv/ Design contest The design contest is still going on... There's currently only one submission. Come on, you web & graphic designers in Mauritius - SHOW YOUR WORKAny draft will be published over here: MSCC Design Contest - https://www.facebook.com/media/set/?set=a.200036533488751.1073741829.181737551985316&type=3 Goodies give-away And the first 2 one-month subscriptions for Pluralsight have been well received by attendees, too. Unfortunately, we didn't have any free WiFi at Talking Drums - so, we might have to consider another location for the next meetup. Change of schedule As we spoke about the advantages of gathering during the weekend, we worked out a schedule that could be applied to future meetups of the MSCC. I'm going to address this tomorrow during our regular meetings on Wednesday to see about the response of other members, too.

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• Location Change Salary Differences [closed]

  - by GameDev

  DISCLAIMER: I know that this might be a "regional" question but I'm also asking for help as far as what resources to use to determine my decision. I'm currently talking to a recruiter for a game developer in the SF Bay area. I work in a relatively low-cost area in the south. I really want to get into game development but my current career is general web development. I'm very interested in taking the job, but my concern is that the amount they're willing to pay might be a relative pay cut. Here are some factors: It's not an entry-level position, the title is Senior Software Engineer. I have 5+ years of experience. The calculators online tell me that I should be expecting around 2x my current pay rate(http://www.bestplaces.net/col/). My current pay is in the mid $60k/yr, so that's like 120-130k. The recruiter told me at my experience level I can expect about $90-100/yr, and that those cost of living calculators were way off. The benefits will definitely be better, it's much larger company (help with commuting, catered meals, etc). But is the recruiter trying to give me a snow job on the pay scale, or is that a reasonable change from a smallish town in the south to somewhere in the SF bay area? How can I find this out? Glassdoor and Payscale seem to say "senior software developers" in that area make around 110 in median salary, but Payscale says it's closer to $135k, that range seems pretty large.

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• moving in the wrong direction

  - by Will

  Solution: To move a unit forward: forward = Quaternion(0,0,0,1) rotation.normalize() # ocassionally ... pos += ((rotation * forward) * rotation.conjugated()).xyz().normalized() * speed I think the trouble stemmed from how the Euclid math library was doing Quaternion*Vector3 multiplication, although I can't see it. I have a vec3 position, a quaternion for rotation and a speed. I compute the player position like this: rot *= Quaternion().rotate_euler(0.,roll_speed,pitch_speed) rot.normalize() pos += rot.conjugated() * Vector3(0.,0.,-speed) However, printing the pos to console, I can see that I only ever seem to travel on the x-axis. When I draw the scene using the rot quaternion to rotate my camera, it shows a proper orientation. What am I doing wrong? Here's an example: You start off with rotation being an identity quaternion: w=1,x=0,y=0,z=0 You move forward; the code correctly decrements the Z You then pitch right over to face the other way; if you spin only 175deg it'll go in right direction; you have to spin past 180deg. It doesn't matter which direction you spin in, up or down, though Your quaternion can then be something like: w=0.1,x=0.1,y=0,z=0 And moving forward, you actually move backward?! (I am using the euclid Python module, but its the same as every other conjulate) The code can be tried online at http://williame.github.com/ludum_dare_24_evolution/ The only key that adjusts the speed is W and S. The arrow keys only adjust the pitch/roll. At first you can fly ok, but after a bit of weaving around you end up getting sucked towards one of the sides. The code is https://github.com/williame/ludum_dare_24_evolution/blob/cbacf61a7159d2c83a2187af5f2015b2dde28687/tiny1web.py#L102

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• A record not resolving

  - by user1561108

  I have a hosted domain at siteground. On this domain & host I have a subdomain with a wordpress install. I wish to move this blog to another host (hostgator), while keeping the domain with siteground. To do this I created a hosting account at hostgator, got it's ip address and set the A record in siteground's cpanel accordingly: subdomain.example.com 14400 A (ip of hostgator account) Going by this online traceroute tool the records appear to have been updated (over 4 hours ago now) as it now resolves to a theplanet.com server location which hostgator use yet the subdomain is still not resolving from a web browser. The account at hostgator has been setup and is navigable via ip address/~accountname. What's going wrong here? I should add the relevant DNS record at hostgator side looks like this: subdomain.example.com 86400 IN SOA ns483.websitewelcome.com. subdomain.example.com 86400 IN NS ns1.siteground145.com. subdomain.example.com 86400 IN NS ns2.siteground145.com. subdomain.example.com 14400 IN A 74.54.176.3 I'm not sure if the hostgator record should be classed as the SOA record but I don't know enough about it to be sure. Is this the source of the problem?

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