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• eSTEP TechCast - October-Special 2012 Material available

  - by uwes

  Dear Partners,We would like to extend our sincere thanks to those of you who attended our TechCast on "Oracle OpenWorld Systems Update". The materials (presentation, replay) from the TechCast are now available for all of you via our eSTEP portal.  You will need to provide your email address and the pin below to access the downloads. Link to the portal is shown below.URL: http://launch.oracle.com/PIN: eSTEP_2011The downloads can be found under tab Events --> TechCast.Feel free to explore also the other delivered TechCasts and more useful information under the Download and Links tab. Any feedback is appreciated to help us improve the service and information we deliver.Thanks and best regards,Partner HW Enablement EMEA

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• In setting up dual Boot with Windows XP and Ubuntu, which OS do I install first?

  - by markl

  I'd like to install both Ubuntu 12.04 and Windows XP on a Dell laptop, and I was thinking about using a dual boot structure, and using the bulk of my hard drive as empty hard drive space to share files between the two operating systems (so choice of file system type is very important in this set-up). The kind of partitioning structure I would like to use is Partition 1 - Ubuntu 12.04 (root) (20GB) Partition 2 - Ubuntu /home (20GB) Partition 3 : Free Space (560GB) Partition 4 : Windows XP (35GB) Partition 5 : SWAP (3GB) (Total Hardrive Capacity is ~640GB) My question is; what is the best way to go about setting up this kind this system? Should I install Windows XP first and setup the partitions, and then install Ubuntu which I believe will install the GRUB bootloader for OS booting choice or Do I install Ubuntu first, setting up the available partitions and then perform a WIndows install? Please let me know if there is anything in this setup that I have left out and should know about, including things related to setting particular partitions as logical or primary, and whether the boot partition and the filesystem partition should actually be two separate partitions.

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• Basic/research RTS engine/model

  - by XTF

  Does a basic/research RTS engine/model exist that can be used as a basis for further experimentation/research? I'd like to avoid reinventing the wheel if possible. I'm aware of Spring Engine and Stratagus, but those are real game engines and may not be the best to experiment with and learn from. Ideally the docs for the model would answer questions like: How exactly do units move? (constant velocity? constant acceleration? constant force?) How is pathfinding handled? Does every grid cell become an A* graph node (may be expensive)? Does it consider threats? How are groups handled? (w.r.t pathfinding and movement) How is combat handled? I'm mostly interested in the low-level model details (for now), not the graphics etc. I've read a lot of the other quesions (and answers/references) tagged RTS but I haven't found my answer yet.

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• Port flash game to native android

  - by wirate

  Alright here is the problem: the creators of a quite popular flash-based game have asked me to port their game to Android. They are not interested in any other platforms so we don't need to be worrying about iOS or PC. They want the best performance on just Android (I guess that's the point of porting a flash-based game. They could have just went with it) They found Unity 'slow'. How would the performance (on android) of other engines compare? Are they expecting too much i.e. finding Unity slow? I am in favor of Unity since development is a little easier with more things being visual (I am not experienced as you might have guessed). This would be an example of the type of game I am to port Thanks!

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• User input and automated input separation

  - by tpaksu

  I have a MySQL database and an automation script which modifies the data inside once a day. And these columns may have changed by an user manually. What is the best approach to make the system only update the automated data, not the manually edited ones? I mean yes, flagging the cell which is manually edited is one way to do it, but I want to know if there's another way to accomplish this? Just curiosity. BTW, the question is about cell values, not rows.

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• Drop in rankings after removing sitewide backlinks

  - by user319940

  Here's the scenario: I have a small web design business and was using a branded backlink on the bottom of all client sites. Recently this has become a bit taboo with the Google updates so I went back to a few of my sites and made it so there's only a homepage backlink. After doing this, I've had a drop in rankings, despite this apparently being a best practice. Is this likely a temporary drop that will pick back up? For any new sites, I still want to have a link on all pages of client sites as it's good advertising. I plan to have a do-follow homepage link and then no-follow every other link - is this a good idea?

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• Announcing Oracle Solaris 11.1

  - by Larry Wake

  This morning, we announced Oracle Solaris 11.1, the first update to Oracle Solaris 11.This builds on all the things we've done to make Oracle Solaris the best operating system for enterprise cloud computing, so no surprises on what we've focused on: enhancements for cloud infrastructure, extreme availability for enterprise applications, and continued payoff from our co-engineering work with the rest of the Oracle software portfolio. You can learn more by visiting oracle.com/solaris, and our Oracle Technology Network Oracle Solaris 11.1 page. If you're at Oracle OpenWorld, be sure to attend Solaris engineering VP Markus Flierl's general session at 10:15 today, in Moscone South 103, where he'll be going into detail on Oracle Solaris 11.1 . And, be sure to sign up for our online launch event on November 7th, featuring Markus, fellow engineering VP Bill Nesheim, and a deep bench of Solaris engineers. It's hard to believe that it's been 20 years since Solaris 2.0 first shipped -- stay tuned for the next 20!

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• How to get a good picture of the health of a level-based game from analytics?

  - by ADB

  I am designing a level-based game where the user completes the level 1, then 2, 3 and so on. There are 200 levels and each is rather short: 60-ish seconds. I am tracking Each played, completed (cleared for the first time), failed and cleared level Milestones: number of players to reach level 1, 5, 10, etc. Also for number of failed and played levels. Separate new players from returning ones. However, I still find it difficult to get a clear picture of what is going on from the stats. So what are the best practices for determining where I am losing players?

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• How do I make the home page of the website to come up in the rankings than the internal pages? [closed]

  - by Shahab

  Possible Duplicate: What are the best ways to increase your site's position in Google? Suppose I have a website, e.g. www.example.com that comes at number 6 on the Google search rankings. But the internal pages of the website i.e. www.example.com/index.php?a=1&b=2 or www.example.com/index.php comes at number 2 of the rankings. How would I make my prime domain name www.example.com to come at the top of the list ? Any guidance would be appreciated.

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• How should dependencies be managed across a modular application?

  - by bear

  Let's say that we have a structure like this: Application -- Modules --Module1 -- Controller -- PublicHelper --Module2 -- Controller -- PublicHelper Whereby a module's Public Helper can provide helper functions. In nearly every module helper, the helper needs to access another module's public helper methods. Let's say for instance, in a PHP application: Module1 provides functionality to create a sale, and as part of the class Module1PublicHelper extends AbstractModuleHelper { public function createSale($customerId, $param, $param) { $userPublicHelper = // grab an instance of the user public helper $currentUser = $userPublicHelper->getCurrentUser(); } } class Module2PublicHelper extends AbstractModuleHelper { public function getCurrentUser() { //do something return $user; } } In this situation, the method needs to obtain an instance, either new or whatever of the user public helper. Given that all of Module Public Helper classes are instantiated with a minimum set of constructor params, e.g. EntityManager, what would be the best way to get a copy of it? Obviously, we can't really inject the user public helper class into the class containing createSale One solution would be to use a service locator or registry, however, testing the application isn't exactly easy.

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• Why use binary files to stack up different versions on DMSs?

  - by edgarator

  I've used both Liferay and Alfresco trying to use them as the Document Management System for an intranet. I noticed the following: They use the file system and the database to store files They use a GUID to name the file on the filesystem and that GUID is used as an Id in the database. The GUID-named file is a binary file The GUID-named binary file stores all versions for a given file The path for the file in the DMS doesn't match the one in the file system The URL makes reference to the GUID when a certain file is requested What I want to know is why is this, and what would be the best way of doing it. Like how to would you create the binary file (zip?), and what parts would you keep in the binary file and what parts would you store in the database (meta-data, path?). I'm assuming some of the benefits of doing it like this. As having the same URL for a file, regardless of its current document path. And having only one file even if the file has changed names over time.

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• Collision for mobile game

  - by zemiguel12

  I'm writing a little game in as3 using Starling, and I need to check collision between 2 boats that can rotate. I don't need the pixel perfect collision, but bounds collision is not enough too. The boat look more or less like this: I was thinking about create one square on the back of the boat and a triangle on the front, than for each boat, check if the square collide with the other boat square or triangle, and the same for the triangle. I just don't know how to do that, I don't know if it's possible with the Shape.hitTest, or if it's the best way to do that. What can I do?

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• Child to Parent linking - bad idea?

  - by Thraka

  I have a situation where my parent knows about it's child (duh) but I want the child to be able to reference the parent. The reason for this is that I want the child to have the ability to designate itself as most important or least important when it feels like it. When the child does this, it moves it to the top or bottom of the parent's children. In the past I've used a WeakReference property on the child to refer back tot he parent, but I feel that adds an annoying overhead, but maybe it's just the best way to do it. Is this just a bad idea? How would you implement this ability differently?

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• Where to upload my small apps or codes

  - by user108386

  My question is simple, but I couldn't found a good answer to it. Where to upload my code and my apps? I searching for a place where people find them. Homeworks, hobby projects, little helper scripts, and other open-source stuff. Does it depend on the used technology? I know, there are a lot of subversioning and project hosting systems. But where to start? I don't really know what I'd like. Maybe a wiki-post in the topic with paragraphs like: Upload you open source Winforms app to somesite or If you want to develop a Java library with your friends , use someothersite or Freeware stuff's best place is: ...

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• Free course on Java Embedded on the Raspberry Pi?

  - by A Tael

  Oracle is developing a free, on-line course on developing Oracle Java Embedded applications using a Raspberry Pi as the development platform. The course teaches experienced Java SE developers how to design and develop applications using Java ME Embedded 8 EA on a Raspberry Pi with physical devices, including: switches and Light Emitting Diodes (LED); temperature/barometric pressure sensors; Global Positioning System (GPS) sensors; and system interrupt timers. Additional modules include logging, threads, network I/O, file I/O, record management service, push registry, application management services and best practices for headless embedded devices.Sounds like great fun doesn't it? Read more about the course and give us your feedback in this short survey. <<Andy>>

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• Portable website

  - by johnny_s

  I have an online presentation to do next week and I have it all ready to go. The website is HTML and CSS only (no DB), and currently resides on my shared hosting account. Now, although my shared hosting is (relatively) reliable, I have noticed that recently they have been making some changes and my website has been unavailable at times. I don't want this to happen to me on the morning of my presentation, so I am asking what is the best way to prepare for such a thing? My domain is www.presentation.mydomain.com and I would like to keep this if possible (even if issues arise). I have been thinking of a few alternatives: Host my site on two different domains or servers (but what about the domain name?) Have a portable XAMPP version on a USB stick (again, domain name?) Possible failover site/location Update The presentation will be carried out on their laptop, not mine. So I am unable to install any software.

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• How to resize(increase) a root+home cloned partition from a smaller hdd?

  - by saulo

  Here is my story: I had a hd failing so I cloned it with dd to larger 500gb hd. It seemed to have worked well, but I have all this unallocated free space at the end of the disk (230gb). I tried to used gparted from a liveUSB to allocate all this space to my root+home partition (other than that I only have a small extended partition with the swap). It won't let me do this. I can only create another partition, or allocate the free space to the extend partition. I can however reduce the size of the root+home partition since I wasn't using all the space Is there a way to put this free space to my root+home partition after all? Or do I have to go with another partition. If so I'd like to separate my home from the root, reduce the root partition and create a ext4 logical home partition. What would be the best safest way to do this? Thanks so much in advance, aloha

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• Ways to earn money through programming and/or programming knowledge [closed]

  - by Jason Swett

  It occurred to me today that it might be useful to make a list of all the ways to earn money through either actual programming or just programming knowledge. I imagine it's probably a finite list as long as you stick to a reasonable level of granularity. Here's what I have so far: Trading your time for money (i.e. having a job or being a freelancer) Building your own software product (a full-fledged startup or a tiny mobile app or whatever) Giving talks at conferences and meetups Teaching students in a classroom Writing a book or blog (these are products, but non-software products) I've probably missed at least a few. What else is there? (I'm not sure whether this is an appropriate question, by the way. I think I would select the best answer based on how practical/original/interesting/numerous your suggestions are.)

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• Getting Silverlight Questions Answered Effectively

  The single best place to get your questions answered about Silverlight are the Silverlight Forums.   Now, I know that forums are often a companys way of saving money on customer service, but the dev team and the Community PMs & Evangelists monitor these forums carefully, so it really is a lot quicker than sending email. That [...]...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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• Do You Want be on Silverlight TV?

  Silverlight is surging and Silverlight TV is also doing well on Channel 9 and gaining momentum thanks to all of you who watch our episodes! Ive been asked a few times how community members can appear on the show. First, we love community members appearing on the show. Some of our best episodes have come from the community efforts. So here are 2 general guidelines for submitting your appearance on Silverlight TV: You are going to be on the Redmond campus in the future You have something incredibly...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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• Private downloads [on hold]

  - by user1314836

  I am setting up a personal website and I would like to be able to share certain files with friends (e.g. photo albums or documents). Of course, each of the files should only be accessible to certain people, for example with a password or a private address. I would like to have a simple system, easy to maintain. I'm quite sure that Wordpress would let me know do something but keeping a Wordpress installation just for sharing a few files per month seems too much work. I am thinking of using the Apache capabilities for folder or file password protecting. Is this the best idea? Or would it be better just to block the directory navigation so that only people with the full path for each of the files can download them? Thanks!

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• Capture an area of a game, display it in a small window

  - by steakbbq

  I am looking to make a program that accomplishes some simple goals. I need to be able to specify an area of my screen to have reproduced in a window. Similar to who the windows magnifier works. I also need it to stay on top. I also need it to be transparent. I also need it to be ghost like(mouse clicks go through it) so the application below can be interacted with still. Here is what I am trying to do. What would be the best way to go about it? http://i.imgur.com/0ahi7.jpg

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• What programming Langauge Would you learn to Reengineer USB Devices? [closed]

  - by user70113

  Currently Work in IT support and am retraining in electrical engineering / electronics, I am also interested in Reverse Engineering which language would be best for Hardware RE, I have seen a few sources say C, C++ and Python? I am not familiar with Linux, but installed ubuntu to learn with. I am not a programmer far from it, but I can understand enough basic VB,Java and PHP to edit it for simple things. One of my immediate projects would be to learn to reverse engineer USB devices and write my own low level drivers, I know there are porting kits, but I really want to know it from the ground up. Thanks for any advise folks Most Appreciated.

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• How to deal with employee that ignores my emails? [closed]

  - by Nutel

  I have started to work on a project with quite complex business logic and architecture. While I try to understand as much as possible by myself sometimes I do not get why things work in a certain way, and if after sufficient amount of time the problem stays unsolved I send an email describing what the issue is to a team-mate who works on the project for a long time. But often the email is just ignored or answered with one-two short sentences which do not explain a lot. What is the best way to deal with this situation?

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• Software development based on a reference implementation

  - by Kanishka Dilshan

  Lets say I have library "A2" as a dependency in a project. Library "A2" is derived from library "A1" where someone has done few changes to the library "A1" 's source code. Lets say there is a new version of "A1" I want to use the new version but no modification to its sourcecode at all. I am planning to identify what are the changes done to the original library when deriving library "A2" out of it and decorate the latest version of the library with those changes. Is it a good approach to solve this? if not can someone suggest the best approach to solve this kind of problems?

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