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  • The spork/platypus average: shameless self promotion

    - by Roger Hart
    This is the video of presentation I gave at UA Europe and TCUK this year. The actual sub-title was "Content strategy at Red Gate Software", but this heading feels more honest. For anybody who missed it, or is just vaguely interested, here's a link to me talking about de-suckifying the web. You can find the slideshare deck here, too* Watching it back is more than a little embarrassing, and makes me really, really want to do a follow up, so I can do three things: explain the rest of the big web project, now we've done it give some data on the outcome of the content review make a grovelling apology to our marketing guys, who I've been unfairly mean to in a childish effort to look cool There are a whole bunch of other TCUK presentations online, too. You can find them all here: http://tiny.cc/tcuk10_videos I'd particularly recommend Chris Atherton's: "Everything you always wanted to know about psychology and technical communication" - it's full of cool stuff. You should probably also watch David Black's opening keynote, which managed to make my hour of precocious grandstanding look measured, meek, and helpful. He actually makes some interesting points, but you'd basically have to ship Richard Dawkins off to Utah, if you wanted to go further out of your way to aggravate your audience. It does give an engaging account of running a large tech comms project, and raise some questions about how we propose to understand a world where increasing amounts of our stuff gets done by increasingly many increasingly complicated tissues of APIs. Well, sort of. That's what all the notes I made were about, anyway.   *Slideshare ate my fonts. Just so we're clear on this: I'd never use badly-kerned Arial in a presentation. Don't worry.

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  • Business Forecast: Cloudy with a Chance to Gain

    - by Oracle OpenWorld Blog Team
    Join us at Oracle OpenWorld to learn how Oracle’s cloud solutions are transforming how customers do business.  Whether you’re interested in public, private or managed clouds, Oracle has a cloud session for you.  The Oracle Cloud Computing track offers an in-depth look at Oracle’s comprehensive cloud offerings, with featured keynotes by Oracle executives Larry Ellison and Thomas Kurian, eight general sessions, and more than 300 sessions and demos. Catch these must-see sessions: Keynotes Hardware and Software, Engineered to Work Together: Why It’s A Different Approach (Larry Ellison, Sunday, September 30 at 5:00 p.m.) The Oracle Cloud: Oracle’s Cloud Platform and Applications Strategy (Thomas Kurian, Tuesday, October 2 at 8:00 a.m.) The Oracle Cloud: Where Social Is Built In (Larry Ellison, Tuesday, October 2 at 2:45 p.m.) General Sessions The Future of Development for Oracle Fusion - From Desktop to Mobile to Cloud (Monday, October 1 at 10:45 a.m.) Oracle Fusion Applications - Overview, Strategy, and Roadmap (Monday, October 1 at 10:45 a.m.) Overview of Oracle’s Public Cloud Strategy (Monday, October 1 at 12:15 p.m.) Overview of Oracle’s Public Cloud for Database and Application Developers (Monday, October 1 at 1:45 p.m.) Building and Managing a Private Oracle Database Cloud (Monday, October 1 at 3:15 p.m.) Building and Managing a Private Oracle Java and Middleware Cloud (Monday, October 1 at 4:45 p.m.) Building Mobile Applications with Oracle Cloud (Monday, October 1 at 4:45 p.m.) Using Enterprise Manager to Manage Your Own Private Cloud (Tuesday, October 2 at 11:45 a.m.) Breakthrough Efficiency in Private Cloud Infrastructure (Tuesday, October 2 at 1:15 p.m.) To stay in touch with Oracle Cloud announcements, follow us on Twitter @OracleCloudZone or Like us on Facebook.

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  • Project collision shapes to plane for 2.5D collision detection

    - by Jkh2
    I am working on a top down 2.5D game. In the game anything that overlaps on the screen should be 'colliding' with each other regardless of whether they are on the same plane in the 3D world. This is illustrated below from a side-ways view: The orange and green circles are spheres floating in the 3D world. They are projected onto a plane parallel to the viewport plane (y = 0 in the image) and if they overlap there is a collision event between them. These spheres are attached to other meshes to represent the sphere bounding boxes for collisions. The way I plan to implement this at the moment is the following: Get the 3D world position at the center of the sphere. Use Camera.WorldToViewportPoint to project the point to the viewport plane. Move a Sphere Collider with the radius of the sphere to that point. Test for collisions using unity colliders. My question is how to extend this to work for rotated cuboids. For instance if I have two rotated cuboids, if I follow the logic above it would not work as intended as the cuboids may not collide but they could still be intersected on the view plane. An example is below: Is there a way to project a cuboid that would be aligned with the plane? Would it be a valid cuboid for all rotations if I did this?

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  • First Person Camera strafing at angle

    - by Linkandzelda
    I have a simple camera class working in directx 11 allowing moving forward and rotating left and right. I'm trying to implement strafing into it but having some problems. The strafing works when there's no camera rotation, so when the camera starts at 0, 0, 0. But after rotating the camera in either direction it seems to strafe at an angle or inverted or just some odd stuff. Here is a video uploaded to Dropbox showing this behavior. https://dl.dropboxusercontent.com/u/2873587/IncorrectStrafing.mp4 And here is my camera class. I have a hunch that it's related to the calculation for camera position. I tried various different calculations in strafe and they all seem to follow the same pattern and same behavior. Also the m_camera_rotation represents the Y rotation, as pitching isn't implemented yet. #include "camera.h" camera::camera(float x, float y, float z, float initial_rotation) { m_x = x; m_y = y; m_z = z; m_camera_rotation = initial_rotation; updateDXZ(); } camera::~camera(void) { } void camera::updateDXZ() { m_dx = sin(m_camera_rotation * (XM_PI/180.0)); m_dz = cos(m_camera_rotation * (XM_PI/180.0)); } void camera::Rotate(float amount) { m_camera_rotation += amount; updateDXZ(); } void camera::Forward(float step) { m_x += step * m_dx; m_z += step * m_dz; } void camera::strafe(float amount) { float yaw = (XM_PI/180.0) * m_camera_rotation; m_x += cosf( yaw ) * amount; m_z += sinf( yaw ) * amount; } XMMATRIX camera::getViewMatrix() { updatePosition(); return XMMatrixLookAtLH(m_position, m_lookat, m_up); } void camera::updatePosition() { m_position = XMVectorSet(m_x, m_y, m_z, 0.0); m_lookat = XMVectorSet(m_x + m_dx, m_y, m_z + m_dz, 0.0); m_up = XMVectorSet(0.0, 1.0, 0.0, 0.0); }

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  • Report Books and Parameters with Telerik Reporting

    Telerik Reporting provides a simple, yet powerful, component called the ReportBook that allows multiple reports to be combined into one. Doing so makes displaying, printing, and exporting multiple reports a much simpler task for end users. Providing this type of functionality does leave one question though, "How are report parameters handled?" This entry will focus on providing the answers to that simple question. Click here to download the sample code so you can follow along. Creating a ReportBook ReportBooks are supported in all three environments the ReportViewer supports, WinForms, Silverlight, and ASP.NET. Adding a ReportBook to each of these environments is very similar. This example focuses on using a ReportBook with the WinForms ReportViewer. Create a WinForms Application Add a reference to the project containing the reports. Drag a ReportViewer from the ToolBox into the designer. Drag a ReportBook from the ToolBox into the designer. A dialog will be displayed asking for the reports to be included in the ReportBook....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • XNA C# Platformer - physics engine or tile based?

    - by Hugh
    I would like to get some opinions on whether i should develop my game using a physics engine (farseer physics seems to be the best option) or follow the traditional tile-based method. Quick background: - its a college project, my first game, but have 4 years academic programming experience - Just want a basic platformer with a few levels, nothing fancy - want a shooting mechanic, run and gun, just like contra or metal slug for example - possibly some simple puzzles I have made a basic prototype with farseer, the level is hardcoded with collisions and not really tiled, more like big full-screen sized tiles, with collision bodies drawn manually along the ground and walls etc. My main problem is i want a simple retro feel to the jumping and physics but because its a physics simulation engine its going to be realistic, whereas typical in air controllable physics for platformers arent realistic. I have to make a box with wheel body fixture under it to have this effect and its glitchy and doesnt feel right. I chose to use a physics engine because i tried the tile method initially and found it very hard to understand, the engine took care of alot things to save me time, mainly being able to do slopes easily was nice and the freedom to draw collision bounds wherever i liked, rather then restricted to a grid, which gave me more freedom for art design also. In conclusion i don't know which method to pick, i want to use a method which will be the most straight forward way to implement and wont give me a headache later on, preferably a method which has an abundance of tutorials and resources so i dont get "stuck" doing something which has been done a million times before! Let me know i haven't provided enough information for you to help me! Thanks in advance, Hugh.

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  • Bot strategy in an arena

    - by joulesm
    I am writing the player's behavior for an arena game, and I'm wondering if you could offer some strategies. I'm writing it in Python, but I'm just interested in the high level game play. Here are the game aspects: Arena is a circle of a given size. The arena's size shrinks every round to help break any ties. Players are much smaller circles, and can be on teams of 1 or 2 players. Players attack by colliding with other players, and based on the physics of the collision (speed of both players, angle), one could force another player out of the arena. Once a player is out of the arena, they are out of the game (for that round). The goal is to be on the only team with players left in the arena. All other players have been pushed (through collisions or mistakes) out of the arena. It is possible for there to be no winner if the last two players exit the arena at the same time. Once the player has been programmed, the game just runs. There is no human intervention in the game. I'm thinking it's easiest to implement a few simple programmatic rules for my player to follow. For example, stay close to center of the arena, attack opponents from the inner side of the arena, etc. Are there any good simple game strategies? Would adding a random aspect to the game help? For example, to avoid predictability by the other team or something. Thanks in advance.

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  • How do you avoid jumping to a solution when under pressure? [closed]

    - by GlenPeterson
    When under a particularly strict programming deadline (like an hour), if I panic at all, my tendency is to jump into coding without a real plan and hope I figure it out as I go along. Given enough time, this can work, but in an interview it's been pretty unsuccessful, if not downright counter-productive. I'm not always comfortable sitting there thinking while the clock ticks away. Is there a checklist or are there techniques to recognize when you understand the problem well enough to start coding? Maybe don't touch the keyboard for the first 5-10 minutes of the problem? At what point do you give up and code a brute-force solution with the hope of reasoning out a better solution later? A related follow-up question might be, "How do you ensure that you are solving the right problem?" Or "When is it most productive to think and design more vs. code some experiments to and figure out the design later?" EDIT: One close vote already, but I'm not sure why. I wrote this in the first person, but I doubt I'm the only programmer to ever choke in an interview. Here is a list of techniques for taking a math test and another for taking an oral exam. Maybe I'm not expressing myself well, but I'm asking if there is a similar list of techniques for handling a programming problem under pressure?

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  • Fastest way to group units that can see each other?

    - by mac
    In the 2D game I'm working with, the game engine is able to give me, for each unit, the list of other units that are in its view range. I would like to know if there is an established algorithm to sort the units in groups, where each group would be defined by all those units which are "connected" to each other (even through others). An example might help understand the question better (E=enemy, O=own unit). First the data that I would get from the game engine: E1 can see E2, E3, O5 E2 can see E1 E3 can see E1 E4 can see O5 E5 can see O2 E6 can see E7, O9, O1 E7 can see E6 O1 can see E6 O2 can see O5, E5 O5 can see E1, E4, O2 O9 can see E6 Then I should compute the groups as follow: G1 = E1, E2, E3, E4, E5, O2, O5 G2 = O1, O9, E6, E7 It can be safely assumed that there is a transitive property for the field of view: [if A sees B, then B sees A]. Just to clarify: I already wrote a naïve implementation that loops on each row of the game engine info, but from the look of it, it seems a problem general enough for it to have been studied in depth and have various established algorithms (maybe passing through some tree-like structure?). My problem is that I couldn't find a way to describe my problem that returned useful google hits. Thank you in advance for your help!

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  • Sitemap structure for network of subdomains

    - by HaCos
    I am working on a project that's a network of 2 domains (domain.gr & domain.com.cy) of subdomains similar to Hubpages [each user gets a profile under a different subdomain & there is a personal blog for that user as well] and I think there is something wrong with our sitemap submission. Sometimes it takes weeks in order a new profiles to get indexed. We make use of one Webmasters account in order to manage all network and we don't want to create different accounts for each subdomain since there are more than 1000 already. According to this post http://goo.gl/KjMCjN, I end up on a structure of 5 sitemaps with the following structure : 1st sitemap will be for indexing the others. 2nd sitemap for all users profile under the domain.gr 3nd sitemap for all users profile under the domain.com.cy 4th sitemap for all posts under the *.domain.gr - news sitemap http://goo.gl/8A8S9f 5th sitemap for all posts under the *.domain.com.cy - news sitemap again Now my questions: Should we create news sitemaps or just list all post in 2nd & 3rd sitemap? Does links ordering has anything to do? Eg: Most recent user created be first in sitemap or doesn't make any different and we just need to make sure that lastmod date is correct? Does anyone guess how Hubpages submit their sitemap in Webmasters so maybe we could follow there way? Any alternative or better way to index this kind of schema? PS: Our network is multi language - Greek & English are available. We make use of hreflang tags on the head of each page to separate country target of each version.

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  • Extreme Optimization –Mathematical Constants and Basic Functions

    - by JoshReuben
    Machine constants The MachineConstants class - contains constants for floating-point arithmetic because the CLS System.Single and Double floating-point types do not follow the standard conventions and are useless. machine constants for the Double type: machine precision: Epsilon , SqrtEpsilon CubeRootEpsilon largest possible value: MaxDouble , SqrtMaxDouble, LogMaxDouble smallest Double-precision floating point number that is greater than zero: MinDouble , SqrtMinDouble , LogMinDouble A similar set of constants is available for the Single Datatype  Mathematical Constants The Constants class contains static fields for many mathematical constants and common expressions involving small integers – if you are doing thousands of iterations, you wouldn't want to calculate OneOverSqrtTwoPi , Sqrt17 or Log17 !!! Fundamental constants E - The base for the natural logarithm, e (2.718...). EulersConstant - (0.577...). GoldenRatio - (1.618...). Pi - the ratio between the circumference and the diameter of a circle (3.1415...). Expressions involving fundamental constants: TwoPi, PiOverTwo, PiOverFour, LogTwoPi, PiSquared, SqrPi, SqrtTwoPi, OneOverSqrtPi, OneOverSqrtTwoPi Square roots of small integers: Sqrt2, Sqrt3, Sqrt5, Sqrt7, Sqrt17 Logarithms of small integers: Log2, Log3, Log10, Log17, InvLog10  Elementary Functions The IterativeAlgorithm<T> class in the Extreme.Mathematics namespace defines many elementary functions that are missing from System.Math. Hyperbolic Trig Functions: Cosh, Coth, Csch, Sinh, Sech, Tanh Inverse Hyperbolic Trig Functions: Acosh, Acoth, Acsch, Asinh, Asech, Atanh Exponential, Logarithmic and Miscellaneous Functions: ExpMinus1 - The exponential function minus one, ex-1. Hypot - The hypotenuse of a right-angled triangle with specified sides. LambertW - Lambert's W function, the (real) solution W of x=WeW. Log1PlusX - The natural logarithm of 1+x. Pow - A number raised to an integer power.

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  • Does command/query separation apply to a method that creates an object and returns its ID?

    - by Gilles
    Let's pretend we have a service that calls a business process. This process will call on the data layer to create an object of type A in the database. Afterwards we need to call again on another class of the data layer to create an instance of type B in the database. We need to pass some information about A for a foreign key. In the first method we create an object (modify state) and return it's ID (query) in a single method. In the second method we have two methods, one (createA) for the save and the other (getId) for the query. public void FirstMethod(Info info) { var id = firstRepository.createA(info); secondRepository.createB(id); } public void SecondMethod(Info info) { firstRepository.createA(info); var key = firstRepository.getID(info); secondRepository.createB(key); } From my understanding the second method follows command query separation more fully. But I find it wasteful and counter-intuitive to query the database to get the object we have just created. How do you reconcile CQS with such a scenario? Does only the second method follow CQS and if so is it preferable to use it in this case?

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  • SSL Certificate Works in Monit - But Not in Keystore

    - by Bart Silverstrim
    I have a situation where there's a keystore file with the various root/intermediate certificates stored in it in a way that it seems to work for most browsers. Problem is that when mobile browsers hit it, there's a break in the chain and they complain. I used an SSL checker at http://www.sslshopper.com/ssl-checker.html and it states that "The certificate is not trusted in all web browsers. You may need to install an Intermediate/chain certificate to link it to a trusted root certificate." So...the desktop browsers must have the intermediate certs already and can make the chain connections, I'm assuming, while the mobile browsers can't. The thing is that I had used Portecle to export certificates from the keystore and cobble them together to create a .PEM certificate to run the Monit utility. When I check that application with the SSL checker, it works fine! The person that originally created the keystore said he couldn't follow the SSL provider's directions for creating the keystore because he created the CSR request using openssl, so the cert and private key had to be converted to DER format and use importkey to get it to work; following the directions he found online had importkey seem to use only a set keystore file as a result, and it would erase anything already in the file if it existed. So is there a way to take the certificate I created for Monit and create a working keystore for the Tomcat website? What would be causing the chain to be broken in the current keystore, but work for Monit? I have the SSL cert provider's intermediate and cross certificates, and the website's certificate, but is what else would I need to create a working chain of certs for a keystore?

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  • Windows Phone SDK 7.1 Beta2

    - by Nikita Polyakov
    It’s here – the brand new - Windows Phone SDK 7.1 Beta2. This time it has ability for your to Flash your Developer Unlocked phone to Mango Beta! How awesome is that? Mega-Ultra-Mango-Awesome!! The Windows Phone SDK includes the following Windows Phone SDK 7.1 (Beta2) Windows Phone Emulator (Beta2) Windows Phone SDK 7.1 Assemblies (Beta2) Silverlight 4 SDK and DRT Windows Phone SDK 7.1 Extensions for XNA Game Studio 4.0 Microsoft Expression Blend SDK Preview for Windows Phone 7.1 WCF Data Services Client for Window Phone 7.1 Microsoft Advertising SDK for Windows Phone 7 The direct download link is: http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=26648 Official Details and instructions: http://create.msdn.com/en-US/news/Mango_Beta Official Blog Post: Windows Phone 7 Developer Blog - Developers Get Goody Basket Full of Mangos "If you're registered for Windows Phone Marketplace, you'll receive an invitation from Microsoft Connect that will provide access to a firmware update for your retail Windows Phone device" #ProTip’s: -Uninstall any Mango 7.1 Windows Phone 7 Beta tools if you already had them installed. -If you have Visual Studio 2010 RTM installed, you must install Service Pack 1 RTM before you install Windows Phone SDK 7.1 Beta 2. Please refer to the Service Pack 1 release notes for installation issues. Visual Studio 2010 SP1 RTM -If you installed Visual Basic for Windows Phone Developer Tools 7.0, you must uninstall it before installing Windows Phone SDK 7.1 Beta 2. Uninstall the item Visual Basic for Windows Phone Developer Tools – RTW from the programs list on your computer. Visual Basic is now fully integrated into Windows Phone SDK 7.1 Beta 2; you do not need to install it separately. Follow the instructions very-very closely. Updating your phone yourself is serious business and should not be done while not paying attention!

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  • An Interesting Perspective on Oracle's Mobile Strategy

    - by Carlos Chang
    Oracle’s well known for being an acquisitive company. On average, I think we acquire about 1 company a month. (don’t quote me, I didn't run the numbers)  With all the excitement around mobile, mobile and wait for it… mobile, well, you know...what' s up with that? Well, just to be clear and quote Schultz from Hogan's Heroes "I know nothing! Nothing! "  But I did recently run across this blog by Kevin Benedict over at mobileenterprisestrategies.com covering this very topic, Oracle Mobility Emerges Prepared for the Future,  a little (fair use) snippet here:"History, however, may reward Oracle's patience.  While veteran mobile platform vendors (including SAP) have struggled to keep up with the fast changing market, R&D investment requirements, the fickle preferences of mobile developers, and the emergence of cloud-based mobile services, Oracle has kept their focus on supporting mobile developers with integration services and tools that extend their solutions out to mobile apps.”It’s an interesting read, and I would encourage you to check it out here.   BTW, if you’re a Twitter user, follow our new account @OracleMobile To the first ten thousand followers, I bequeath you my sincere virtual thanks and gratitude. :)  For the dedicated mobile blog, go to blogs.oracle.com/mobile.

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  • We Need More Migration!

    - by rickramsey
    source Eva Mendez says, "Oye chico, do you really want to keep your data in that tired legacy file system when it could be enjoying encryption, compression, deduplication, snapshots, remote replication and other benefits provided by ZFS in Oracle Solaris 11? It's really not that hard to cross over. If you know how." "I don't know how, me dices? Esta bien, papacito. Go to OTN. Take my word for it. They know how." <blushing> Aw shucks, Eva. Anything for you! </blushing> The Best Way to Migrate Data From Legacy File Systems to ZFS To migrate data from a legacy filesystem to ZFS in Oracle Solaris 11, you need to install the shadow-migration package and enable the shadowd service. Then follow the simple procedure described by Dominic Kay. How to Update to Oracle Solaris 11 Using the Image Packaging System Oracle Solaris 11.1 has been released. You can upgrade using either Oracle's official Solaris release repository or, if you have a support contract, the Support repository. Peter Dennis explains how. How to Migrate Oracle Database from Oracle Solaris 8 to Oracle Solaris 11 How to use the Oracle Solaris 8 P2V (physical to virtual) Archiver tool, which comes with Oracle Solaris Legacy Containers, to migrate a physical Oracle Solaris 8 system with Oracle Database and an Oracle Automatic Storage Management file system into an Oracle Solaris 8 branded zone inside an Oracle Solaris 10 guest domain on top of an Oracle Solaris 11 control domain. - Ricardo Website Newsletter Facebook Twitter

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  • libc-bin errors when trying to install php

    - by jonney
    i am trying to update and install php into my ubuntu server 12.04 using the command below: apt-get upgrade php apt-get install php5-curl php5-gd php5-mysql php5-pgsql However i receive this error all the time: gzip: stdout: No space left on device E: mkinitramfs failure cpio 141 gzip 1 update-initramfs: failed for /boot/initrd.img-3.2.0-34-generic with 1. run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1 Failed to process /etc/kernel/postinst.d at /var/lib/dpkg/info/linux-image-3.2.0-34-generic.postinst line 1010. dpkg: error processing linux-image-3.2.0-34-generic (--configure): subprocess installed post-installation script returned error exit status 2 dpkg: dependency problems prevent configuration of linux-image-server: linux-image-server depends on linux-image-3.2.0-33-generic; however: Package linux-image-3.2.0-33-generic is not configured yet. dpkg: error processing linux-image-server (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of linux-server: linux-server depends on linux-image-server (= 3.2.0.33.36); however: Package linux-image-server is not configured yet. dpkg: error processing linux-server (--configure): dependency problems - leaving unconfigured Setting up libpq5 (9.1.10-0ubuntu12.04) ... No apport report written because the error message indicates it's a follow-up error from a previous failure. No apport report written because MaxReports has already been reached Setting up php5-curl (5.3.10-1ubuntu3.8) ... Setting up php5-pgsql (5.3.10-1ubuntu3.8) ... Processing triggers for initramfs-tools ... update-initramfs: Generating /boot/initrd.img-3.2.0-32-generic gzip: stdout: No space left on device E: mkinitramfs failure cpio 141 gzip 1 update-initramfs: failed for /boot/initrd.img-3.2.0-32-generic with 1. dpkg: error processing initramfs-tools (--configure): subprocess installed post-installation script returned error exit status 1 No apport report written because MaxReports has already been reached Processing triggers for libc-bin ... ldconfig deferred processing now taking place Errors were encountered while processing: linux-image-3.2.0-33-generic linux-image-3.2.0-34-generic linux-image-server linux-server initramfs-tools E: Sub-process /usr/bin/dpkg returned an error code (1) Not sure whats wrong and why it cant process the linux-image files?

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  • How do I get a Broadcom BCM4311 working?

    - by Fer1805
    I'm having serious problems installing the broadcom drivers for ubuntu 11.04. It worked perfectly on my previous version, but now, it is impossible. I'm a user with no advance knowledge in linux, so I would need clear explanations on make, compile, etc. I was following the instructions on the following blog, with no luck. Broadcom BCM4311 Wireless not working Can someone help me? Edit: For the command: "lspci | grep Network", I get the following message: 06:00.0 Network controller: Broadcom Corporation BCM4311 802.11b/g WLAN (rev 01) For the command: iwconfig, i get the following: lo no wireless extensions. eth0 no wireless extensions. When i follow the following steps (from the above link), there are a NO error message at all: open the 'Synaptic Package Manager' and search for bcm uninstall the bcm-kernel-source package make sure that the firmware-b43-installer and the b43-fwcutter packages are installed type into terminal: cat /etc/modprobe.d/* | egrep '8180|acx|at76|ath|b43|bcm|CX|eth|ipw|irmware|isl|lbtf|orinoco|ndiswrapper|NPE|p54|prism|rtl|rt2|rt3|rt6|rt7|witch|wl' (you may want to copy this) and see if the term blacklist bcm43xx is there if it is, type cd /etc/modprobe.d/ and then sudo gedit blacklist.conf put a # in front of the line: blacklist bcm43xx then save the file (I was getting error messages in the terminal about not being able to save, but it actually did save properly). reboot 'End of procedure' Before (not ubuntu 11.04), if i wanted to connect wireles, i just went to the icon at the upper side of the screen, click, showed ALL the wireless network available, and done. Now, the only options i see are: Wired Network Auto Eth0 Disconnect VPN Enable networking Connection information Edit connection. hope above info is enough for your help.

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  • Oracle OpenWorld Kicks Off Today Delivering A Full Week of Insight, Education, and Unique Experiences

    - by Jeri Kelley
    San Francisco has been transformed into a sea of red and more than 50,000 attendees from 140 countries will converge in the Bay Area for a week of education and insight into Oracle's strategy and roadmap on today’s leading technology initiatives, including engineered systems, cloud computing, business analytics and big data, and customer experience.  Tonight kicked off with Oracle CEO Larry Ellison discussing how Oracle is taking a fundamentally different approach to delivering technology that is engineered to work together to give customers extreme performance, simplicity, and cost savings.  The jam-packed week continues with: More than 2,500 educational sessions Nearly 3,500 customer and partner speakers from marquee brands sharing how they are using Oracle technology to power their businesses Over 400 Oracle product demonstrations in the DEMOgrounds – make sure to stop by to see the latest demonstrations for our Customer Experience solutions including Oracle Commerce, Oracle RightNow, Oracle WebCenter, Oracle Fusion CRM, Oracle Social Relationship Management, and more. With more educational content than ever before, OpenWorld also expands to include six sub-conferences within the main OpenWorld umbrella including the Customer Experience Summit @ OpenWorld which runs October 3rd-5th.  All of this education and insight comes with some fun as well.  OpenWorld has become an exciting destination with new experiences unveiled each year including the debut of the first annual Oracle OpenWorld Music Festival, featuring some of today’s hottest acts, emerging bands and DJs over five nights playing at locations throughout San Francisco. Our Customer Experience team will be blogging and tweeting all week to keep you up-to-date so be sure to subscribe to our Customer Experience blog and follow us on Twitter and Facebook: @OracleCX @OracleCommerce @OracleCRM Facebook.com/OracleCustomerExperience If you are at OpenWorld, we hope you have a great week and get the knowledge you need to take your Oracle applications to the next level.  And, if you were not able to make it this year, be sure to tune into the sessions that are broadcast live online. 

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  • Restore audio settings - cannot open mixer: No such file or directory

    - by Alfred M.
    The internal speaker of my laptop never functionned under Ubuntu. I tried to follow indication on the web and now the jack audio does not work either. The graphic interface for audio management now displays a 'dummy output' instead of the three possible outputs I used to have (one of them was working for the jack output). In a terminal alsamixer raises an error: cannot open mixer: No such file or directory I did try to remove and reinstall alsa-utils but it did not change anything. This happened after a failed atempt to install alsa-driver-linuxant_1.0.23.1_all.deb from here. My sound card seems to be not recognised anymore. After reboot I have no more the sound icon in menu bar the upper right corner. I think I have removed my sound card driver. Indeed, the command sudo lshw -class multimedia indicated audi device as unclaimed. Any idea how I could revert to a better situation (that is jack support and alsa working)? EDIT: The command lspci -nnk | grep -iEA3 audio gives lspci -nnk | grep -iEA3 audio 00:1b.0 Audio device [0403]: Intel Corporation 82801I (ICH9 Family) HD Audio Controller [8086:293e] (rev 03) Subsystem: ASUSTeK Computer Inc. Device [1043:1893] 00:1c.0 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 [8086:2940] (rev 03)

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  • Why old (301) links stay on Google when breaking site down to multiple domains

    - by Sampo Sarrala
    Some background: We did have single site and single domain (let's call it mainsite.com) with product information, however things have changed since and product database has grown fast. So we decided to move some major products/manufacturers under their own domains (let's call one of them subsite.com) while still using our main database/codebase. What we've done: Added subsite.com domain for product 1 by Great Products Co. Some new nice looking front pages, info pages, etc. Detail pages that will use information from original db. Redirected product/group links from mainsite.com using 301 redirect. Verified that redirects works as expected. Waited some time for Google reindexing (over 30 days, I've heard it should be more than enough). Results: If I search our moved products from Google then it will found them and list them but with old links to our main page like mainsite.com/group/product1 but it should show link to new site subsite.com/product1. Links from Goole redirects as they should, as said redirects are verified [301]. Main question: Any reasons why Google would not follow 301 redirects and update links so that they will point to our new mfg/product site subsite.com?

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  • Platformer Enemy AI

    - by hayer
    I'm currently developing a platformer shooter. The game is multiplayer and while my net code could use some real work I have put that off for the time, so currently I'm trying to implement the AI. The game is pretty simple; Players run around on a map filled with a X amount of zombies that try to eat their brains, classic and overused I know. Weapons spawn at random intervals around the map. The problem is that the zombies, when they find their pray the have to follow it for some while.. And here is the problem, running the AI navcode seems to take for ever. So here is the ideas I have come up with so far Have the AI update at different intervals with a maximum of Y ms with no updates. Have the zombies assigned to groups of zombies. One is appointed the leader of the group who finds the way to the player - the rest just follows the leader. If the leader dies another one of the zombies in the group is appointed president of the zombie swarm. If there is less than five zombies in a group they try to meet up with other zombies.(Aka they are assigned to a different group and therefor a new leader) Multi-threading option one or two? For navigation I have some kinda navmesh(since the game is not tile-based) that tells the zombies where they can walk etc. If anyone else got some ideas on how to do navigation I would love some input. For LoS(zombie - player) I have split the map into grids. If the players grid is connected to the zombies grid(if I go with option two I would only need to check if leader zombies grid is connected to player, aka less checks) - if they are connected and there is more than 250ms since last check do a raytrace.. This is my first time programming AI so input on any field is appreciated.

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  • Windows Azure BidNow Sample &ndash; definitely worth a look

    - by Eric Nelson
    [Quicklink: download new Windows Azure sample from http://bit.ly/bidnowsample] On Mondays (17th May) in the  6 Weeks of Windows Azure training (Now full) Live Meeting call, Adrian showed BidNow as a sample application built for Windows Azure. I was aware of BidNow but had not found the time to take a look at it nor seems it running before. Adrian convinced me it was worth some a further look. In brief I like it :-) It is more than Hello World, but still easy enough to follow. Bid Now is an online auction site designed to demonstrate how you can build highly scalable consumer applications using Windows Azure. It is built using Visual Studio 2008, Windows Azure and uses Windows Azure Storage. Auctions are processed using Windows Azure Queues and Worker Roles. Authentication is provided via Live Id. Bid Now works with the Express versions of Visual Studio and above. There are extensive setup instructions for local and cloud deployment You can download from http://bit.ly/bidnowsample (http://code.msdn.microsoft.com/BidNowSample) and also check out David original blog post. Related Links UK based? Sign up to UK fans of Windows Azure on ning Check out the Microsoft UK Windows Azure Platform page for further links

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  • First steps with Oracle ADF Mobile for iOS and Android

    - by Bruno.Borges
    Oracle announced recently its new Mobile development platform, called Oracle ADF Mobile. With it, you can build truly Java applications, deploy and run real Java code on both Android and iOS with its self-contained Java runtime. It also comes with PhoneGap. which allows you to use any feature your phone offers, like sensors and camera. It's probably the most complete solution for mobile development out there, simply because with Oracle ADF Mobile, you can write Native, Hybrid or Web applications for your smartphone and tablet. Do you want to take a quick look on what can be done with it? Check out this video!  Now, to start with Oracle ADF Mobile, here are the first steps you will have to go through. Download Oracle JDeveloperGo to this link and download the install file for your environment (Windows, Linux-32bit or Generic) Install JDeveloper (of course)If you need help on this, look at the documentation (if you've downloaded 11gR2, click here) Download Oracle ADF Mobile BundleThis is the download page for Oracle ADF Mobile. Accept the license as usual at the top, and follow with the Download button. It will take you to another page, where you will see a table containing a download link. Click on it and it will start downloading a ZIP file. Start JDeveloperStart Oracle JDev. It may self update. Restart the IDE if you are asked to. Go to Help > Check for updates Click Next and make sure you are at the "Source" tab Select "Install From Local File" Select the Oracle ADF Mobile ZIP you downloaded on step 3 Finish the process   Now you have JDeveloper with Oracle ADF Mobile sucessfully installed! There are two great tutorials to start coding with ADF Mobile. Just choose your platform! Android Tutorial iOS Tutorial And have fun! :-) 

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  • Regarding sprite design and resolution for tablets and phones

    - by Dimitris P.
    I am about to start working on a game for android devices, in my spare time, to get familiar with android development. I'm more interested in using the best practices possible than getting a quick result, and that is why I need some guidance regarding graphics. I think the game is going to be fully sprite based. Everything is going to be in .bmp form, or something similar, and my question is: Should I design the sprites in a small resolution (ie for phone screens) and scale them up to fit into larger screens (tablet screens), should I do it vice-versa or should I consider a completely different approach? Would designing a different set of sprites for each of the most used resolution settings be worth it or are there simpler solutions to the problem with fewer drawbacks than the ones I mentioned above? (If I follow the first approach, for example, the larger the screen the worse the graphics will get, since every pixel of the original drawing will cover several pixels on the screen). Is there a standard approach for dealing with this kind of problems? If you need me to be more detailed or more clear about something I mentioned (or forgot to) please don't hesitate to ask. Also, excuse me for any inaccurate use of the English language. Thank you in advance for your input.

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