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• Google Loon–A network of balloons to provide internet to everyone

  - by Gopinath

  Google once just a super powerful search engine provider and now they are venturing in to a lot of interesting non software projects like self driving cars, glasses that beam information right on to your eye balls, high speed internet services @ 1 Giga bytes per second. A recent addition to this innovative list is Google Loon – a network of flying balloons that provide internet access to remote parts of the world where it is not feasible for many governments/corporate to provider internet services. Google says there are several billions of people around the world who don’t have access to internet and Google Loon aim is to provide internet facilities to all these people. A pilot project is started couple of days ago by launching 30 balloons into stratosphere from New Zealand. These balloons fly 20 Kilometers above earth(much higher than where aero planes fly) and they beam internet to homes having Loon receiver wirelessly. Checkout the embedded introductory video on Google Loon What is in it for Google? Why is Google getting into these type of projects and what is in it for them? Google is the gateway to web and majority of people find information on web using Google Services/Software. So providing internet facilities to more people means, more people using Google services and it in turn contributes to their revenue growth. Google is not a charity, they do all these projects to earn money just like every other corporate. The best part is while earning money they are touching lives of billions of people in a positive way. Just imagine everyone in the world connected and have ability to take informed decisions irrespective of whether they live in developed countries or underprivileged parts of the world! Wow that will be a beautiful day. Further reading Google Loon website Google unveils its Project Loon Wi-Fi balloons – in pictures Google flies Internet balloons in stratosphere for a “network in the sky” How Google Will Use High-Flying Balloons to Deliver Internet to the Hinterlands Good discussion on Google Loon at Hacker News community

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• (Quaternion based) Trouble moving foward based on model rotation

  - by ChocoMan

  Using quaternions, I'm having trouble moving my model in its facing direction. Currently the model moves can move in all cardinal directions with no problems. The problem comes when I rotate the move as it still travelling in the direction of world space. Meaning, if I'm moving forward, backward or any other direction while rotating the model, the model acts like its a figure skater spinning while traveling in the same direction. How do I update the direction of travel proper with the facing direction of the model? Rotates model on Y-axis: Yaw = pController.ThumbSticks.Right.X * MathHelper.ToRadians(speedAngleMAX); AddRotation = Quaternion.CreateFromYawPitchRoll(yaw, 0, 0); ModelLoad.MRotation *= AddRotation; MOrientation = Matrix.CreateFromQuaternion(ModelLoad.MRotation); Moves model forward: // Move Forward if (pController.IsButtonDown(Buttons.LeftThumbstickUp)) { SpeedX = (float)(Math.Sin(ModelLoad.ModelRotation)) * FWDSpeedMax * pController.ThumbSticks.Left.Y * (float)gameTime.ElapsedGameTime.TotalSeconds; SpeedZ = (float)(Math.Cos(ModelLoad.ModelRotation)) * FWDSpeedMax * pController.ThumbSticks.Left.Y * (float)gameTime.ElapsedGameTime.TotalSeconds; // Update model position ModelLoad._modelPos += Vector3.Forward * SpeedZ; ModelLoad._modelPos += Vector3.Left * SpeedX; }

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• Need Help With Conflicting Customer Support Goals?

  - by Tom Floodeen

  It seems that every OPS review Customer Support Executives are being asked to improve the customer KPIs while also improving gross margin. This is a tough road for even experienced leaders. You need to reduce your agents research time while increasing their answer accuracy. You want to spend less time training them while growing the number of products and systems being used. You have to deal with increasing service volumes but at the same time you need to focus on creating appropriate service insight. After all, to be a great support center you not only have to be good at answering questions, you also need to be good at preventing them.   Five Key Benefits of knowledge Management in Customer Service will help you start down the path meeting these, and other, objectives. With Oracle Knowledge Products, fully integrated with Oracle’s CRM solutions, you can accomplish both increased  service demand while driving your costs down. And you can handle both while positively impacting the satisfaction and loyalty of your customers.  Take advantage of Oracle to not only provide you with a great integrated tool suite, but also with the vision to drive you down the path of success.

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• ArchBeat Link-o-Rama Top 20 for June 3-9, 2012

  - by Bob Rhubart

  The top twenty most popular links as shared via my social networks for the week of June 3-9, 2012. SOA Analysis within the Department of Defense Architecture Framework (DoDAF) 2.0 – Part II | Dawit Lessanu Driving from Business Architecture to Business Process Services | H. V. Ganesarethinam Book Review: Oracle Application Integration Architecture (AIA) Foundation Pack 11gR1: Essentials | Rajesh Raheja Oracle Enterprise Manager Ops Center 12c: Enterprise Controller High Availability (EC HA)| Anand Akela Integrating OBIEE 11g into Weblogic’s SAML SSO | Andre Correa Introducing Decision Tables in the SOA Suite 11g Business Rule component | Lucas Jellema EJB 3.1: Stateless Session Bean Deployed as .war, Dependency Injection, Asynchronous Methods | Frank Munz Educause Top-Ten IT Issues - the most change in a decade or more | Cole Clark Oracle VM RAC template - what it took | Wim Coekaerts WebCenter Content shared folders for clustering | Kyle Hatlestad CRUD Use Case Implementation and ADF Query Search | @AndrejusB Introducing Oracle Cloud | Larry Ellison Exalogic Webcast Series: Rethink Your Business Application Deployment Strategy BI Architecture Master Class for Partners - Oracle Architecture Unplugged Creating an Oracle Endeca Information Discovery 2.3 Application | Mark Rittman Eclipse DemoCamp - June 2012 - Redwood Shores, CA Oracle Cloud offering - What makes it unique? | Tom Laszewski Virtualization at Oracle - Six Part Series The right way to transform your business via the cloud | David Linthicum Protecting a WebCenter app with OAM 11g | Chris Johnson Thought for the Day "Programming without an overall architecture or design in mind is like exploring a cave with only a flashlight: You don't know where you've been, you don't know where you're going, and you don't know quite where you are." — Danny Thorpe Source: softwarequotes.com

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• BI&EPM in Focus - November 2011

  - by Mike.Hallett(at)Oracle-BI&EPM

  Enterprise Performance Management A Thing of Beauty, by Alison WeissAvon’s enterprise performance management system delivers accurate information and critical insight to managers at every level of the organization Oracle Crystal Ball Helps Managers Guard Against Volatility, by Alison Weiss The Insight Game, by Aaron LazenbyEnterprise performance management can deliver insights crucial to navigating the volatility of the global economy—and that’s no game of checkers. KPI vs. the Bottom Line, by Edward RoskeFor managers, is tracking the key metrics for their departments enough to ensure success for the entire business? The CEO for Oracle partner interRel shares his opinion. Deep Integration, by Aaron LazenbyThe synthesis of Oracle Hyperion applications and core Oracle technologies can deliver deep benefits to analytics-driven businesses. Oracle Crystal Ball. Oracle's #1 Solution for Risk Management Follow EPM Documentation at Hyperion EPM Info for news about EPM documentation releases and updates (twitter | facebook | Linkedin) Whitepaper: Integrating XBRL Into Your Financial Reporting Process Oracle Hyperion Disclosure Management Customer Story: StealthGas Inc. Saves 12 Accountant Days Yearly, Validates XBRL-Compliant Financial Filing Data in One Day Sherwin-Williams Argentina I.C.S.A. Accelerates Budget Preparation Process by 75% BBDO Germany GmbH Consolidates Financial and Planning Processes for More Than 50 Agencies StealthGas Inc. Saves 12 Accountant Days Yearly, Validates XBRL-Compliant Financial Filing Data in One Day Business Intelligence Webcast Replay: Oracle Data Mining & BI EE - Predictive Analytics (Part 2) Innovation Award Winners - BI/EPM: HealthSouth, State of MD, Clorox Company, Telenor and Dunkin Brands Leeds Teaching Hospitals National Health Service Trust Builds Budget Reports Six Times Faster, Achieves 100% ROI in 12 Months with Oracle Business Intelligence Home Credit Group Consolidates Reporting and Saves Time across All Business Units w/ Oracle Essbase & OBIEE Autoglass Improves Business Visibility and Services to Customers and Partners with Oracle Business Intelligence Events Download Oracle OpenWorld Oct 2011 Presentations select Middleware - BI or Applications - Hyperion Oracle Business Analytics Summits:learn about the latest trends, best practices, and innovations in business intelligence, analytics applications, and data warehousing Webcast Nov 15 9am PST: Running the Last Mile, Beyond Financial Consolidations - Streamlining the Close and Addressing the SEC's XBRL Mandate Webcast Dec 13 1pm PST: Defining Your Mobile BI Strategy (BICG) New Training Available: Oracle BI Publisher 11g R1: Fundamentals Webcast Replay: How to Expand the Usage of Analytics in your Organization while Driving Down IT Spend Webcast Replay: Real-Time Decisions (RTD) Updated Use Cases for Ecommerce Personalization in Financial Services & Retail

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• Oracle Supply Chain at Pella Showcase, April 24-25, 2012

  - by Stephen Slade

  Nothing promtes a product like a grest customer testimony! For nearly a decade, Pella has been holding these 'open-houses' or Showcases as they are called, to illustrate the utilization of Oracle products in their operations. Building custom windows and doors is not an easy task.  With about a trillion combinations of unique sizes, colors and features availalbe, getting the complex multi-unit custom order wrong can be easy to do. I've been to a few of these Showcases and each time,  continually impressed by the precision, best practices and lean disciplines enacted at Pella. Operations representatives and users at Pella, demonstrate the way in which they use Oracle Supply Chain products to deliver fulfillment excellence. Orders are all custom made and delivered in about a week.  Factory tours are conducted and visitors have a chance to see Oracle in operation on the shop floor, driving informational flow and order accuracy in the 99+% range.  It's a must see for anyone considering expansion of their supply chain footprint.  The event is April 24-25 in Pella Iowa, outside Des Moines.   This year, there is a seperate track for CIOs and executives. Register at 1.800.820.5592  - ask for event 10281

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• How to fix a Broadcom 43224 (rev. 01) in ubuntu 12.10, running on a macbook pro 6,2?

  - by Eduardo Bezerra

  I've googled for 3 days so far, with no success, so I'll be straightforward: How do you get it to work? this is the output for lspci -v: 03:00.0 Network controller: Broadcom Corporation BCM43224 802.11a/b/g/n (rev 01) Subsystem: Apple Inc. Device 0093 Flags: bus master, fast devsel, latency 0, IRQ 17 Memory at c1b00000 (64-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: bcma-pci-bridge Kernel modules: bcma for uname -a: Linux fury 3.5.0-17-generic #28-Ubuntu SMP Tue Oct 9 19:31:23 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux I've tried with bcmwl-kernel-source, firmware-b43-installer and now I'm out of ideas. Can someone help me? This is driving me insane! EDIT: for lspci -nn | grep 0280: 03:00.0 Network controller [0280]: Broadcom Corporation BCM43224 802.11a/b/g/n [14e4:4353] (rev 01) I can see the networks available, but when I try to connect, it gets stuck in a loop: tries to connect, fails, tries again, fails again and so on... EDIT 2: After a long break from this problem, I've just run a few tests again and found out that, although my macbuntu still fails to connect to my home wi-fi network, it works just fine at my university... Does that help in anyway? My home network is managed by a dual-band (2.4Ghz and 5Ghz) 802.11n cisco e4200 wi-fi router.

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• Interfaces and Virtuals Everywhere????

  - by David V. Corbin

  First a disclaimer; this post is about micro-optimization of C# programs and does not apply to most common scenarios - but when it does, it is important to know. Many developers are in the habit of declaring member virtual to allow for future expansion or using interface based designs1. Few of these developers think about what the runtime performance impact of this decision is. A simple test will show that this decision can have a serious impact. For our purposes, we used a simple loop to time the execution of 1 billion calls to both non-virtual and virtual implementations of a method that took no parameters and had a void return type: Direct Call:     1.5uS Virtual Call:   13.0uS The overhead of the call increased by nearly an order of magnitude! Once again, it is important to realize that if the method does anything of significance then this ratio drops quite quickly. If the method does just 1mS of work, then the differential only accounts for a 1% decrease in performance. Additionally the method in question must be called thousands of times in order to produce a meaqsurable impact at the application level. Yet let us consider a situation such as the per-pixel processing of a graphics processing application. Here we may have a method which is called millions of times and even the slightest increase in overhead can have significant ramification. In this case using either explicit virtuals or interface based constructs is likely to be a mistake. In conclusion, good design principles should always be the driving force behind descisions such as these; but remember that these decisions do not come for free.   1) When a concrete class member implements an interface it does not need to be explicitly marked as virtual (unless, of course, it is to be overriden in a derived concerete class). Nevertheless, when accessed via the interface it behaves exactly as if it had been marked as virtual.

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• make my Ubuntu 12.04 laptop visible on the network

  - by Andrew Boyd

  I'm ecstatically happy with my 12.04 on my laptop after loading it over my MS Vista... but there's just one thing, one little fly in the ointment.... While I can view our 2 Terabyte, shared hard-drive in the lounge (and copy files back and forth) I can't see my PC (when I boot up in Ubuntu 12.04) nor the Lubuntu computer connected to the TV (for movies, Youtube etc). Printing to the HP office jet on the PC doesnt work over the network either. Have had one dubious flirtation with Samba, which seems to be the only thing I've found that will 'work', however halfway through that "installation" everything just ground to a halt, the directions began to stop making sense... I was working from this page. Our Network consists of the following: Our Internet service is wirelessly sent to us from our provider to our dish on a pole. It comes into the house via an ethernet cable. We split it there to a phone, and to 6 other destinations (bedrooms, computers, and to another splitter in the lounge which has a wifi antennae and 4 ethernet ports). one port goes to the Lubuntu OS PC which is connected to the TV the second port goes to the 2 Terabyte harddrive (MS powered 'Mybooklive') (the other two are empty) My Ubuntu 12.04 laptop connects wirelessly to this splitter in the lounge. I know just enough about computers to get myself into an awful mess without too much trouble We usually can view friends' laptops when they get on our network (as they are invariably MS OS's) Our flatmate, who introduced us to Linux's computer is also invisible How can we make our Linux OS based computers visible on the network and share files and printing?

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• The Fantastic New WebLogic on Oracle Database Appliance 2.9 Release is Here!

  - by JuergenKress

  Last week was a big day in virtualised ODA-land as it saw the launch of WebLogic on ODA 2.9. Admittedly it doesn't sound like a very exciting release but it is one that we at O-box have been looking forward to for quite some time. Let me explain why, then we'll look into the details... The ODA X4-2 has 48 Intel Xeon cores. That is a lot of compute power. Whilst the largest O-box SOA Appliance single environment configuration can in theory use all those cores (currently with 40 vCPU of SOA!) the vast majority of O-box users will want smaller configurations. Prior to 2.9 the Oracle WebLogic implementation only supported one domain per ODA, so the conundrum O-box development faced last year was either: offer customers only one SOA environment on their O-box for now (but have the benefit of a standard, easily supportable WebLogic installation), or build our own WebLogic/OTD OVM templates from scratch. One of our driving goals with O-box is to give the best possible experience and make the appliance as supportable as possible. Therefore we took the gamble that we would stick with the Oracle's one-domain WebLogic configuration initially, and just hope that it would deliver multi-domain support for us in a timely manner (note: this is probably not a strategy that business textbooks would recommend!). Anyway, we've been working closely with Oracle Product Management for a few months now and I'm delighted to see 2.9 as the fruits of their labour. This also neatly ties in with several recent requests for O-box to include OSB as well as SOA/BPEL (which we have always wanted to have in separate domains). The diagram below is the neatest way to summarise what the new 2.9 release will allow us to deliver, i.e. previously only one 3D box was possible: Read the complete article here. WebLogic Partner Community For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Wiki Technorati Tags: oBox,WebLogic on ODA,ODA,WebLogic,WebLogic Community,Oracle,OPN,Jürgen Kress

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• Missing X-Spam-Status header

  - by Walt Stoneburner

  I recently upgraded to Ubuntu 14.04.1 LTS (trusty) and have followed the directions in https://help.ubuntu.com/14.04/serverguide/mail-filtering.html and am sending and receiving mail just fine. While I do see X-Virus-Scanned headers in my messages, which suggests mail is indeed being processed, I do not see any X-Spam-Level or X-Spam-Score headers being added to messages. This makes downstream procmailrc and client-side filtering ...more difficult. While having $final_spam_destiny = D_DISCARD in /etc/amavis/conf.d/20-debian_defaults does greatly reduce spam to my inbox, I had concerns of false-positives prior to tuning and didn't know were there going, so have set it to D_PASS for the time being. This exposed the problem. I'm not sure where to look to start diagnosing the problem (otherwise I'd post a suspect configuration file). /etc/amavis/conf.d/15-content_filter_mode has the lines uncommented to enable virus and spam checks, and virus checking appears to be working according to the headers. Spam Assassin certainly seems to be starting just fine, too. SpamAssassin debug facilities: info SA info: zoom: able to use 360/360 'body_0' compiled rules (100%) SpamAssassin loaded plugins: AskDNS, AutoLearnThreshold, Bayes, BodyEval, Check, DKIM, DNSEval, FreeMail, HTMLEval, HTTPSMismatch, Hashcash, HeaderEval, ImageInfo, MIMEEval, MIMEHeader, Pyzor, Razor2, RelayEval, ReplaceTags, Rule2XSBody, SPF, SpamCop, URIDNSBL, URIDetail, URIEval, VBounce, WLBLEval, WhiteListSubject SpamControl: init_pre_fork on SpamAssassin done I've also set $log_level = 2; in /etc/amavis/conf.d/50-user and don't see any obvious errors rolling by in the logs. Q: Any recommendations of what to try next? UPDATE (it appears that I have the right setting already): /etc/amavis/conf.d$ grep sa_tag_level_deflt * 20-debian_defaults:# $sa_tag_level_deflt = 2.0; # add spam info headers if at, or above that level 20-debian_defaults:$sa_tag_level_deflt = -999; # add spam info headers if at, or above that level

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• Determinism in multiplayer simulation with Box2D, and single computer

  - by Jake

  I wrote a small test car driving multiplayer game with Box2D using TCP server-client communcations. I ran 1 instance of server.exe and 2 instance of client.exe on the same machine that I code and compile the executables. I type inputs (WASD for a simple car movement) into one of the 2 clients and I can get both clients to update the simulation. There are 2 cars in the simulation. As long as the cars do not collide, I get the same identical output on both client.exe. I can run the car(s) around for as long as I could they still update the same. However, if I start to collide the cars, very quickly they go out of sync. My tools: Windows 7, C++, MSVS 2010, Box2D, freeGlut. My Psuedocode: // client.exe void timer(int value) { tcpServer.send(my_inputs); foreach(i = player including myself) inputs[i] = tcpServer.receive(); foreach(i = player including myself) players[i].process(inputs[i]); myb2World.step(33, 8, 6); // Box2D world step simulation foreach(i = player including myself) renderer.render(player[i]); glutTimerFunc(33, timer, 0); } // server.exe void serviceloop { while(all clients alive) { foreach(c = clients) tcpClients[c].receive(&inputs[c]); // send input of each client to all clients foreach(source = clients) { foreach(dest = clients) { tcpClients[dest].send(inputs[source]); } } } } I have read all over the internet and SE the following claims (paraphrased): Box2D is deterministic as long as floating point architecture/implementation is the same. (For any deterministic engine) Determinism is gauranteed if playback of recorded inputs is on the same machine with exe compiled using same compiler and machine. Additionally my server.exe and client.exe gameloop is single thread with blocking socket calls and fixed time step. Question: Can anyone explain what I did wrong to get different Box2D output?

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• Is it common for a development position to be extremely mundane and not challenging at all? [closed]

  - by Kim Jong Woo

  Hi guys so I am working at this company as a web developer but after 1 week of working here, I realize the stuff I am doing seem to be very easy stuff compared to what my peers who have been around for longer are doing. I am way ahead of my schedule and finish my projects early but it's because the work is not at all hard or problem solving involved. So I am puzzled why I would be thanked over doing such menial tasks. Is this normal? This is driving me nuts, I ask to be given more work and I do get it and still finish it quickly and accurately. Now I am having this paranoia that they are just conspiring to use me for a short period of time and terminate me. Am I going too far with this? I keep losing sleep over this. On days when I have a full load of work to complete, this uneasiness goes away but so far I feel like I am not being allowed to pursue what I thought I would do like solving and designing solutions. A lot of it doesn't require any thinking, just cleaning up other people's code and closing bug tickets.

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• Demantra 7.3.1.3 Controlling MDP_MATRIX Combinations Assigned to Forecasting Tasks Using TargetTaskSize

  - by user702295

  New 7.3.1.3 parameter: TargetTaskSize Old parameter: BranchID  Multiple, deprecated  7.3.1.3 onwards Parameter Location: Parameters > System Parameters > Engine > Proport   Default: 0   Engine Mode: Both   Details: Specifies how many MDP_MATRIX combinations the analytical engine attempts to assign to each forecasting task.  Allocation will be affected by forecsat tree branch size.  TaskTargetSize is automcatically calculated.  It holds the perferred branch size, in number of combinations in the lowest level. This parameter is adjusted to a lower value for smaller schemas, depending on the number of available engines.   - As the forecast is generated the engine goes up the tree using max_fore_level and not top_level -1.  Max_fore_level has     to be less than or equal to top_level -1.  Due to this requirement, combinations falling under the same top level -1     member must be in the same task.  A member of the top level -1 of the forecast tree is known as a branch.  An engine     task is therefore comprised of one or more branches.     - Reveal current task size       go to Engine Administrator --> View --> Branch Information and run the application on your Demantra schema.  This will be deprecated in 7.3.1.3 since there is no longer a means of adjusting the brach size directly.  The focus is now on proper hierarchy / forecast design.     - Control of tasks       The number of tasks created is the lowest of number of branches, as defined by top level -1 members in forecast       tree, and engine sessions and the value of TargetTaskSize.  You are used to using the branch multiplier in this       calculation.  As of 7.3.1.3, the branch ID multiple is deprecated.     - Discovery of current branch size       To resolve this you must review the 2nd highest level in the forecast tree (below highest/highest) as this is the       level which determines the size of the branches.  If a few resulting tasks are too large it is recommended that       the forecast tree level driving branches be revised or at times completely removed from the forecast tree.     - Control of foreacast tree branch size         - Run the following sql to determine how even the branches are being split by the engine:             select count(*),branch_id from mdp_matrix where prediction_status = 1 and do_fore = 1 group by branch_id;             This will give you an understanding if some of the individual branches have an unusually large number of           rows and thus might indicate that the engine is not efficiently dividing up the parallel tasks.         - Based on the results of this sql, we may want to adjust the branch id multiplier and/or the number of engines           (both of these settings are found in the Engine Administrator)           select count(*), level_id from mdp_matrix where prediction_status = 1 and do_fore = 1 group by level_id;           This will give us an understanding at which level of the Forecast tree where the forecast is being generated.            Having a majority of combinations higher on the forecast tree might indicate either a poorly designed forecast           tree and/or engine parameters that are too strict           Based on the results of this we would adjust the Forecast Tree to see if choosing a different hierarchy might           produce a forecast, with more combinations, at a lower level.           For example:             - Review the 2nd highest level in the forecast tree, below highest/highest, as this is the level which               determines the size of the branches.             - If a few resulting tasks are too large it is recommended that the forecast tree level driving branches               be revised or at times completely removed from the forecast tree.               - For example, if the highest level of the forecast tree is set to Brand/All Locations.             - You have 10 brands but 2 of the brands account for 67% and 29% of all combinations.             - There is a distinct possibility that the tasks resulting from these 2 branches will be too large for               a single engine to process.  Some possible solutions could be to remove the Brand level and instead               use a different product grouping which has a more even distribution, possibly Product Group.               - It is also possible to add a location dimension to this forecast tree level, for example Customer.                This will also reduce forecast tree branch size and will deliver a balanced task allocation.             - A correctly configured Forecast Tree is something that is done by the Implementation team and is               not the responsibility of Oracle Support.  Allocation will be affected by forecast tree branch size.  When TargetTaskSize is set to 0, the default value, the system automatically calculates a value for 'TargetTaskSize' depending on the number of engines.   - QUESTION:  Does this mean that if TargetTaskSize is 1, we use tree branch size to allocate branches to tasks instead                of automatically calculating the size?     ANSWER: DEV Strongly recommends that the setting of TargetTaskSize remain at the DEFAULT of ZERO (0).   - How to control the number of engines?     Determine how many CPUs are on the machine(s) that is (are) running the engine.  As mentioned earlier, the general     rule is that you should designate 2 engines per each CPU that is available.  So for example, if you are running the     engine on a machine that has 4 CPU then you can have up to 8 engines designated in the Engine Administrator.  In this     type of architecture then instead of having one 'localhost' in your Engine Settings Screen, you would have 'localhost'     repeated eight times in this field.     Where do I set the number of engines?                 To add multiples computers where engine will run, please do a back-up of Settings.xml file under         Analytical Engines\bin\ folder, then edit it and add there the selected machines.                 Example, this will allow 3 engines to start:         - <Entry>           <Key argument="ComputerNames" />           <Value type="string" argument="localhost,localhost,localhost" />           </Entry Otherwise, if there are no additional engines defined, the calculated value of 'TargetTaskSize' is used. (Oracle does not recommend changing the default value.) The TargetTaskSize holds the engines prefered branch size, in number of level 1 combinations.   - Level 1 combinations, known as group size The engine manager will use this parameter to attempt creating branches with similar size.   * The engine manager will not create engines that do not have a branch. The engine divider algorithm uses the value of 'TargetTaskSize' as a system-preferred branch size to create branches that are more equal in size which improves engine performance.  The engine divider will try to add as many tasks as possible to an existing branch, up to the limit of 'TargetTaskSize' level 1 combinations, before adding new branches. Coming up next: - The engine divider - Group size - Level 1 combinations - MAX_FORE_LEVEL - Engine Parameters  

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• Cannot restart Ubuntu after replacing Unity with Gnome and purging lightdm

  - by OtagoHarbour

  I am running Ubuntu 11.10. I used the directions here to replace Unity with Gnome. It seemed to work fine until the end of step 2 when I rebooted the computer. When I chose the default option, I just got a black screen. When I choose the restore option and then "Restore normal boot" I get Starting load fallback graphics devices [fail] Starting GNOME Display Manager [ok] Starting Userspace bootsplash [ok] Stopping GNOME Display Manager [ok] Stopping Userspace bootsplash [ok] Starting web server apach22 [fail] (among a lot of OKs) It finally gets to Stopping System V runlevel compatibility [ok] where it hangs. I left it overnight and just had a blank screen when I checked it in the morning. I can "Drop to root shell prompt" and "Drop to root shell prompt with networking". I did see here that one should be able to fix the problem by choosing remount and then doing apt-get install lightdm I tried this as root shell with and without networking and got the message Err http://us.archive.ubuntu.com/ubuntu/ oneric-updates/main lightdm i386 1.0.6-0ubuntu1.7 Could not resolve 'us.archive.ubuntu.com/ubuntu' What is the best way to resolve this problem? Thanks, Peter.

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• Unity - Invert Movement Direction

  - by m41n

  I am currently developing a 2,5D Sidescroller in Unity (just starting to get to know it). Right now I added a turn-script to have my character face the appropriate direction of movement, though something with the movement itself is behaving oddly now. When I press the right arrow key, the character moves and faces towards the right. If I press the left arrow key, the character faces towards the left, but "moon-walks" to the right. I allready had enough trouble getting the turning to work, so what I am trying is to find a simple solution, if possible without too much reworking of the rest of my project. I was thinking of just inverting the movement direction for a specific input-key/facing-direction. So if anyone knows how to do something like that, I'd be thankful for the help. If it helps, the following is the current part of my "AnimationChooser" script to handle the turning: Quaternion targetf = Quaternion.Euler(0, 270, 0); // Vector3 Direction when facing frontway Quaternion targetb = Quaternion.Euler(0, 90, 0); // Vector3 Direction when facing opposite way if (Input.GetAxisRaw ("Vertical") < 0.0f) // if input is lower than 0 turn to targetf { transform.rotation = Quaternion.Lerp(transform.rotation, targetf, Time.deltaTime * smooth); } if (Input.GetAxisRaw ("Vertical") > 0.0f) // if input is higher than 0 turn to targetb { transform.rotation = Quaternion.Lerp(transform.rotation, targetb, Time.deltaTime * smooth); } The Values (270 and 90) and Axis are because I had to turn my model itself in the very first place to face towards any of the movement directions.

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• Good 2D Platformer Physics

  - by Joe Wreschnig

  I have a basic character controller set up for a 2D platformer with Box2D, and I'm starting to tweak it to try to make it feel good. Physics engines have a lot of knobs to tweak, and it's not clear to me, writing with a physics engine for the first time, which ones I should use. Should jumping apply a force for several ticks? An impulse? Directly set velocity? How do I stop the avatar from sticking to walls without taking away all its friction (or do I take away all the friction, but only in the air)? Should I model the character as a capsule? A box with rounded corners? A box with two wheels? Just one big wheel? I feel like someone must have done this before! There seem to be very few resources available on the web that are not "baby's first physics", which all cut off where I'm hoping someone has already solved the issues. Most examples of physics engines for platformers have floaty-feeling controls, or in-air jumps, or easily exploitable behavior when temporary penetration is too high, etc. Some examples of what I mean: A short tap of jump jumps a short distance; a long tap jumps higher. Short skidding when stopping or reversing directions at high velocity. Standing stably on inclines (but maybe sliding down them when ducking). Analog speed when using an analog controller. All the other things that separate good platformers from bad platformers. Dare I suggest, stable moving platforms? I'm not really looking for "hey, do this." Obviously, the right thing to do is dependent on what I want in the game. But I'm hoping someone somewhere has gone through the possibilities and said "well technique A does feature X well, technique B does Y well, but that doesn't work with C", or has some worked examples beyond "if (key == space) character.impulse(0, 1)"

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• Bing Maps WPF Hack

  - by Chris Gardner

  I've spent the past couple of days adding the Bing Maps WFP Control to an application I'm developing. I kept running into a strange thing that was driving me crazy. I have the control in the bottom of a StackPanel, under a Grid. No matter how hard I tried, setting the Height of the Bing control to Auto would cause the ActualHeight to always be 60.93. Now, I still don't know why this is happening. Truth be told, I'm not too sure I care. I did, however, find a reasonable hack around the problem. I do know the size of everything else. As such, I tied into the SizeChanged Event of the StackPanel. Using this, I could set the Height to the correct size based on the new size of the panel. private void ResizeMap( object sender, SizeChangedEventArgs e ) { myMap.Height = ((StackPanel)sender).ActualHeight - 75.0; } The hard-coded number is was because I had a fixed height of controls above my map. If you have dynamic elements, you could easily iterate through them and delete out the portions. So, there you have it. It's not much, but it annoyed the Smurf out of me for a brief period of time. Since I never found an answer, I figured I'd share.

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• How to share code as open source?

  - by Ethel Evans

  I have a little program that I wrote for a local group to handle a somewhat complicated scheduling issue for scheduling multiple meetings in multiple locations that change weekly according to certain criteria. It's a niche need, but I wouldn't be surprised if there are other groups that could use software like this. In fact, we've had requests from others for directions on starting a group like this, and if their groups get as big, they might also want special software to help with scheduling. I plan to continue developing the program and eventually make it an online web app, but a very simple alpha version is completed as a console app. I'd like to make it available as open source, but I have no idea what kind of process I should go through first. Right now, all I have is Java code, not even unit-tested thoroughly. I haven't shown the code to anyone else. There is no documentation. I don't know where I would put the code so others could access it. I don't know anything about licensing it. I don't know what kind of support people will expect from me if I release it as open source. I have no idea what else I should worry about. Can someone outline for me (or post an article(s) that outlines) the process of taking open source software from "coded" to "completed / available"? I really don't want to embarrass myself by doing things weirdly.

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• Advisor Webcasts in July for the EBS Technology area

  - by Oracle_EBS

  For July 2012 we have scheduled 2 Webcasts: The first one is an E-Business Suite OAM Overview and Usage session. The second is about the E-Business Suite Workflow Avisor as a follow-up session. As every time we are driving 2 sessions for a better global alignment : E-Business Suite - OAM Overview and Monitoring Agenda Oracle Applications Manager (OAM) Overview Log files Diagnostics and Logging Concurrent processing through OAM Applications Dashboard Troubleshooting Patch Management. Patch Wizard OAM "How To" Documents Questions &Answers EMEA Session : July 10, 2012 at 09:00 AM UK / 10:00 AM CET / 13:30 India / 17:00 Japan / 18:00 Australia Details & Registration : Note 1466056.1 Direct link to register in WebEx US Session : July 11, 2012 at 18:00 UK / 19:00 CET / 10:00 AM Pacific / 11:00 AM Mountain/ 01:00 PM Eastern Details & Registration : Note 1466057.1 Direct link to register in WebEx E-Business Suite - Workflow Analyzer - Follow-Up Agenda Overview of Workflow Analyzer Enhancements implemented in the latest Release Questions & Answers EMEA Session : July 24, 2012 at 09:00 AM UK / 10:00 AM CET / 13:30 India / 17:00 Japan / 18:00 Australia Details & Registration : Note 1466058.1 Direct link to register in WebEx US Session : July 25, 2012 at 18:00 UK / 19:00 CET / 10:00 AM Pacific / 11:00 AM Mountain/ 01:00 PM Eastern Details & Registration : Note 1466059.1 Direct link to register in WebEx Schedules, recordings and the Presentations of the Advisor Webcast drove under the EBS Applications Technology area can be found in Note 1186338.1. Current Schedules of Advisor Webcast for all Oracle Products can be found on Note 740966.1 Post Presentation Recordings of the Advisor Webcasts for all Oracle Products can be found on Note 740964.1

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• Bomberman clone, how to do bombs?

  - by hustlerinc

  I'm playing around with a bomberman clone to learn game-developement. So far I've done tiles, movement, collision detection, and item pickup. I also have pseudo bombplacing (just graphics and collision, no real functionality). I've made a jsFiddle of the game with the functionality I currently have. The code in the fiddle is very ugly though. Scroll past the map and you find how I place bombs. Anyway, what I would like to do is an object, that has the general information about bombs like: function Bomb(){ this.radius = player.bombRadius; this.placeBomb = function (){ if(player.bombs != 0){ // place bomb } } this.explosion = function (){ // Explosion } } I don't really know how to fit it into the code though. Everytime I place a bomb, do I do var bomb = new Bomb(); or do i need to constantly have that in the script to be able to access it. How does the bomb do damage? Is it as simple as doing X,Y in all directions until radius runs out or object stops it? Can I use something like setTimeout(bomb.explosion, 3000) as timer? Any help is appreciated, be it a simple explanation of the theory or code examples based on the fiddle. When I tried the object way it breaks the code.

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• How to start with Oracle BPM Suite

  - by JuergenKress

  Oracle Learning Library - BPM Webcasts on-demand Webcast: What’s new in Oracle BPM 11.1.1.7.0 & Webcast: New Directions with Business-Driven BPM BPM Videos Oracle Business Process Management - YouTube & Oracle BPM Suite 11g: Business Driven Modeling to Execution - Video & Customer Experience on your Mind? Think Oracle BPM - Video & Kick-Start BPM with Oracle Process Accelerators - Video Attend the free online training SOA Suite 11g Implementation Specialist & SOA Suite 11g Implementation Specialist & BPM Suite 11g Presales Specialist Pass the free online assessment BPM Suite 11g Presales Specialist Assessment Attend a BPM Bootcamp 3 days hands-on training free of charge for partners Take the exam BPM Suite 11g Certified Implementation Specialist Read the bpm blogs and bpm books from our BPM experts Additional resources BPM OTN Website Visit the Community Workspace (Community membership required) with the latest BPM training material, marketing kits and presentations Most important become a member in our SOA & BPM Partner Community here SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Facebook Wiki Mix Forum Technorati Tags: BPM,BPM training,training,education,BPM bootcamp,SOA Community,Oracle SOA,Oracle BPM,Community,OPN,Jürgen Kress

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• Topeka Dot Net User Group (DNUG) Meeting &ndash; April 6, 2010

  - by Robz / Fervent Coder

  Topeka DNUG is free for anyone to attend! Mark your calendars now! SPEAKER: Troy Tuttle is a self-described pragmatic agilist, and Kanban practitioner, with more than a decade of experience in delivering software in the finance and health industries and as a consultant. He advocates teams improve their performance through pursuit of better practices like continuous integration and automated testing. Troy is the founder of the Kansas City Limited WIP Society and is a speaker at local area groups on team related topics. He currently works as a Project Lead Consultant with AdventureTech Group of Kansas City, KS. TOPIC: Why Kanban? Kanban is receiving a large amount of attention recently. What does it offer compared to other approaches? Answering that question may require you to hit the “reset” button on previously held biases and assumptions. Kanban blends Lean thought with ideas from first generation agile methodologies. To get started with Kanban, we will examine what steps are necessary to establish a transparent, work-limited, pull system. We will highlight the perils of allowing too much work-in-progress and how it affects development performance. Once established, Kanban teams need only a few metrics and tools to monitor their performance and improvement. WHERE: Federal Home Loan Bank Topeka on the Security Benefit Campus – Directions? WHEN: 11:30 AM - 1:00 PM on April 6th, 2010 REGISTER: http://topekadotnet.wufoo.com/forms/topeka-dnug-meeting-attendance/ ADDITIONAL INFO: As always, please sign in and out of FHLBank to help them with their accountability. Please park in the visitors section at the front of the building when you arrive. If  there are no spots in visitors you may park in the overflow lot at the far east end of the facility.  Lunch will be provided and we will have some great door prizes!

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• Reverse WiFi to Broadcast connection coming from a USB device

  - by Daniel Clem

  I am using the app called Clockworkmod Tether. It connects using a script ( command line " gksu ./run.sh " ) on the computer. All my programs connect to the internet perfectly, minitube, midori, transmission torrents. But the network manager does not show any connection, wired or wireless. So this may cause issues? What I want to do is take this connection, and be able to share it some way, any way, by wireless. This Acer Timeline "Aspire 5810TZ" does have an Ethernet, so wired out to a router might be an option. But I would prefer to simply reverse the Wireless card to broadcast out to about 2 or 3 devices. Is this possible? Yes I have taken a look at the other questions already posted here, but the answers are 1 year old or older, and not clear at all. I am moderately comfortable (4.5 out of 10 ) on the command line. But pretty much need line by line directions for what commands are needed and what order, ect. Edit I have already tried the method of "Left click network manager, Create New Wireless Network" It is created fine, and I am able to connect to it with a tablet, but am un-able to get an outside connection with it. Using the "Shared to other computers" option because DHCP doesn't seem to work, and WEP Passphrase Security. I get an IP address on the connected device. But as I said, won't bring up any outside webpages or the like. So perhaps this is the wrong approach?

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• Co-worker uses ridiculous commenting convention, how to cope? [closed]

  - by Jessica Friedman

  A co-worker in the small start-up I work at writes (C++) code like this: // some class class SomeClass { // c'tor SomeClass(); // d'tor ~SomeClass(); // some function void someFunction(int x, int y); }; // some function void SomeClass::someFunction(int x, int y) { // init worker m_worker.init(); // log LOG_DEBUG("Worker initialized"); // find current cache auto it = m_currentCache.find(); // flush if (it->flush() == false) { // return return false } // return return true } This is how he writes 100% of his code: a spacer line, a useless comment which says nothing other than what is plainly stated in the following statement, and the statement itself. This is absolutely driving me insane. A simple class written by him spans 3 times as much as it's supposed to, It looks well commented but the comments contain no new information. In fact the code is completely undocumented in any normal definition of "documentation". All of the comments are just a repetition of what is written in C++ in the following line. I've confronted him several times about it and each time he seems to understand what I am saying but then goes on to not change his coding and not fix old code which is written like this. I've went on and on again and again about the distinct disadvantages of writing code like this but nothing get through to him. Other co-workers doesn't seem to mind it as much and management doesn't seem to really care. What do I do? (sorry for the rant)

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