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  • B2B Commerce Best Practice Round Table

    - by Jeri Kelley
    Are you struggling with delivering customers a consistent B2B multi-channel commerce experience? If yes, then you will want to join us for a panel discussion featuring Oracle customers and B2B commerce experts on Thursday, September 27th to learn how leading B2B companies are succeeding in the new age of commerce. Topics of discussion will include: Moving B2B data and content online Multiple site management Mobile platforms Merchandising and personalization Don’t miss this opportunity to learn more about the latest trends, challenges and successes in B2B multi-channel commerce. Learn more and register!

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  • B2B Commerce Best Practice Round Table

    - by Jeri Kelley
    Are you struggling with delivering customers a consistent B2B multi-channel commerce experience? If yes, then you will want to join us for a panel discussion featuring Oracle customers and B2B commerce experts on Thursday, September 27th to learn how leading B2B companies are succeeding in the new age of commerce. Topics of discussion will include: Moving B2B data and content online Multiple site management Mobile platforms Merchandising and personalization Don’t miss this opportunity to learn more about the latest trends, challenges and successes in B2B multi-channel commerce. Learn more and register!

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  • Oracle User Productivity Kit Best Practices for Upgrade Projects

    Minimize risk and increase success of your upgrade with Oracle User Productivity Kit. By providing value throughout the upgrade cycle, Oracle UPK can maximize your return on investment and quckly get your users up to speed on the new application. Learn how to use Oracle UPK for all phases of your upgrade project, including process review and design; application setup and configuration; testing, training and change management; and maintenance and support.

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  • Best way to implement a simple bullet trajectory

    - by AirieFenix
    I searched and searched and although it's a fair simple question, I don't find the proper answer but general ideas (which I already have). I have a top-down game and I want to implement a gun which shoots bullets that follow a simple path (no physics nor change of trajectory, just go from A to B thing). a: vector of the position of the gun/player. b: vector of the mouse position (cross-hair). w: the vector of the bullet's trajectory. So, w=b-a. And the position of the bullet = [x=x0+speed*time*normalized w.x , y=y0+speed*time * normalized w.y]. I have the constructor: public Shot(int shipX, int shipY, int mouseX, int mouseY) { //I get mouse with Gdx.input.getX()/getY() ... this.shotTime = TimeUtils.millis(); this.posX = shipX; this.posY = shipY; //I used aVector = aVector.nor() here before but for some reason didn't work float tmp = (float) (Math.pow(mouseX-shipX, 2) + Math.pow(mouseY-shipY, 2)); tmp = (float) Math.sqrt(Math.abs(tmp)); this.vecX = (mouseX-shipX)/tmp; this.vecY = (mouseY-shipY)/tmp; } And here I update the position and draw the shot: public void drawShot(SpriteBatch batch) { this.lifeTime = TimeUtils.millis() - this.shotTime; //position = positionBefore + v*t this.posX = this.posX + this.vecX*this.lifeTime*speed*Gdx.graphics.getDeltaTime(); this.posY = this.posY + this.vecY*this.lifeTime*speed*Gdx.graphics.getDeltaTime(); ... } Now, the behavior of the bullet seems very awkward, not going exactly where my mouse is (it's like the mouse is 30px off) and with a random speed. I know I probably need to open the old algebra book from college but I'd like somebody says if I'm in the right direction (or points me to it); if it's a calculation problem, a code problem or both. Also, is it possible that Gdx.input.getX() gives me non-precise position? Because when I draw the cross-hair it also draws off the cursor position. Sorry for the long post and sorry if it's a very basic question. Thanks!

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  • Multimedia Appearance for Best Client Connectivity

    Technology has changed the way companies used to communicate with the consumers. Gone are the days when slide show presentations ruled the charts for business communication. Multimedia services are u... [Author: Alan Smith - Web Design and Development - June 01, 2010]

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  • Best place to put application files [closed]

    - by takeshin
    Possible Duplicate: 'Installing' Applications, where to put folders? Hello, Where shall I put applications which do not require install (extracted from archive)? E.g. java based programs executable scripts In two variants: for all users for one user Some times the archive itself contains directories like lib or bin. For example, apps like ArgoUML Shall I put all the apps in /usr/local/appname?

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  • Best Frameworks/libraries/engines for 2D multiplayer C# Webbased RPG

    - by Thirlan
    Title is a mouthful but important because I'm looking to meet a specific criteria and it's complex enough that I need a lot of help in finding what I'm looking for. I really want people's suggestions because I trust it a lot more than anything else, so I just need to clearly define what it is I want heh : P Game is a 2D RPG. Think of Secret of Mana. Game is online multiplayer, but not MMO sized. Game must be webbased! I'm looking to the future and want to hit as many platforms as possible. I'm leaning to Webgl because of this, but still looking around. Since the users are seeing the game through the webbrowser the front-end should be mainly responsible for drawing, taking input and some basic checking such as preliminary collision detection. This is important because it means the game engine is NOT on the client's machine. The server should be responsible for the game engine and all the calculations. This means the server is doing all the work and the client is mostly a dumb terminal. Server language is c# I'm looking for fast project execution so I want to use as many pre-existing tools as possible. This would make sense because I'm making a game here, not an engine. I'm not creating some new revolutionary graphics or pushing the physics engines to the next level. Preference for commercially supported tools. For game mechanics reasons and for reasons 4 and 5, don't think I can use existing 2D rpg engines. I've seen them out there and I fear that if I try and use them they will have too many restrictions, but will be happy to hear out suggestions. So all this means I need a game engine on the server, or maybe just a physics engine, and then I need another engine/library to draw everything that the server is sending to the client on the webbrowser. Maybe this is how 50% of games work on the web and there are plenty of frameworks that support this! I wouldn't actually don't know : ( but my gut is telling me that most webgames are single player and 90% of the game is running on the client. So... any suggestions?

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  • The Five Best things coming in Fedora 13 Linux

    <b>Cyber Cynic:</b> "Paul W. Frields, the Fedora Project leader, told me though that this release is much new user-friendly and that it's no longer just for experienced Linux users. Based on my early look at this Red Hat community Linux distribution, I agree."

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  • Best Party of 2011: Introducing Java 7

    - by Tori Wieldt
    As a member of the Java community, you played a critical role in building Java 7. You contributed great ideas for new features and new ways of working and collaborating to take the next step in development. And now, it’s time to celebrate with a global gathering of the Java community—online and live. See your ideas at work. Hear about everything Java 7 can do for you and how we’re moving Java forward together. Join us for celebrations in Redwood Shores, São Paulo, or London—as we unveil the latest innovations in Java 7. The three events will be joined with each other by satellite, and will be available as a webcast if you can't attend the live events. Learn from fellow developers around the globe who are getting the most out of the new features. Get overviews from the Java experts on Project Coin, the Fork/Join framework, the new file system API, improvements to the VM, and a panel discussion with Q & A. Thursday, July 07, 2011 Redwood Shores, United States: 9:00 a.m. PT - 1:30pm PT São Paulo, Brazil: 1:00 p.m BRT London, England: 5:00 p.m. BST Live Webcast: 9:00 a.m. PT - 1:30pm PT  Get more information about the July 7 events. You need to register for the live events or webcast. There will also be other celebrations at Java User Group (JUG) meetings for the next few months.Find your local JUG. Follow the conversation on Twitter: follow @Java and use #java7 Java is moving forward, let's party!

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  • The Best How-To Geek Articles for May 2012

    - by Asian Angel
    This past month we covered topics such as alternative search engines that respect your privacy, tips and tweaks for getting the most out of Chrome, using camera Raw tools to develop digital photographs, and more. Join us as we look back at the most popular articles for May. Here’s How to Download Windows 8 Release Preview Right Now HTG Explains: Why Linux Doesn’t Need Defragmenting How to Convert News Feeds to Ebooks with Calibre

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  • Best way to load rigid bodies from file

    - by Mel
    I'm trying to switch to bullet for physics simulation. Lemme just say first that I am so pleased with bullet's accuracy and performance. After messing around it for a bit, I'm now trying to load rigid bodies from files. Most of my models are in blender and with some searching, I was able to export them in .bullet format. However, loading the files into bullet doesn't look like an easy task. I've come across this page that points me to a sample application that loads bullet files. But then it goes and says that this loader is just a starting point. Is there any open source library out there that will allow me to load rigid bodies from a file? I don't really wanna spend that much time trying to create my own loader.

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  • Best way to remote restart Ubuntu from Windows machine

    - by robsoft
    Background: I'm looking to put a series of Ubuntu machines into retail locations, they're being used as dumb kiosks to show a series of slides onto large LCD panel TV screens. Once installed, they won't have a keyboard or mouse connected but will have a fixed IP on the local network. Everything is configured to auto-start, no automatic updates, no power saving etc - I think we're pretty-much good to go apart from one thing. I need the retail staff to be able to restart the boxes if a problem arises. We have VNC running (now that we've turned off desktop enhancements!) so that we can remotely get into the machines if we need to, but that's not something we would allow the retail staff to do. The machines are going to be physically 'out of the way' (probably in the ceiling space) so the power button is not easily accessible!. I'd like to have some means of allowing the retail staff to restart the Ubuntu machine, from the desktop of one of their Windows terminals. I don't really want to give them some kind of raw terminal access (the command line will frighten them!) and I don't want them to use VNC (as stated above). Ideally there would be an icon on the Windows desktop, they double-click it, reply to a simple 'are you sure?' prompt, and then the Ubuntu box is told to restart. The Windows side of that won't be a problem, we can write something using Delphi, Python & Qt4, whatever - it's the Ubuntu side of it I'm stuck with. Out of sight/view, could I have a Windows program open a terminal across the network and tell Ubuntu to restart? Is this what SSH could be used for (I have never set that kind of thing up). The Windows programming side isn't really an issue, it's just that I'm a total Ubuntu noob and don't know where to start from the platform point of view. The other thing we considered is also having the machine automatically restart itself at a set time each day (obviously out of store hours!). To me, that seems a bit unnecessary (though forcing a restart once a week/month might be worthwhile). Any thoughts or suggestions? Being able to restart the box on demand across the network is my prime requirement.

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  • Best keyboard to use with RollerMouse

    - by jrdioko
    I recently purchased a RollerMouse, which seems like an excellent way to eliminate pain caused by mousing. My question is: what good keyboard can other programmers recommend that would work well with it. I currently have a Microsoft ergonomic keyboard, but the curve and large wrist rest make it hard to use with the RollerMouse. By "good", I mean: Works with the RollerMouse (no wrist rest) Ergonomic (a slight curve or other features designed to be easy on your wrists/arms) Good for programming (that would be its primary use, no need for fancy media buttons or anything like that) Suggestions?

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  • Working with documents and SharePoint - Best practices

    - by KunaalKapoor
    Follow these simple guidelines to make collaboration using SharePoint easier:1. File Name:While it is allowed to use spaces in your filename (and maybe it seems even logical to do so), don’t use them if your file will end up (or is born on) SharePoint. When you use the “download a copy” functionality, SharePoint will replace the spaces with an “_”. This might (will) result in inconsistency when you upload the “same” file again, since SharePoint will see this as a different file (since the filename is different). I recommend using a filename with Capitalization style naming guideline. For instance: the document “Overall governance model.docx” would be named “OverallGovernanceModel.docx”Use the TITLE field in the office applications to give your document a title (and subtitle and keywords, .) The title column can be used in a view in a library. You can get to the document properties by clicking on 'Office Button/Prepare/Properties'. (Office 2007). This is metadata that is stored with the document, and will remain in the document (even if you exchange this document via e-mail, via an external hard drive). The filename cannot be longer than 128 characters. (and that is IMHO far beyond reasonable) You cannot use any of these characters: ” # % & * : < > ? \ / { | } ~ 2. Versioning:SharePoint has a built-in versioning system. You can work with major (published) versions, and minor (draft) versions. Of each of these two document types, you can store a numbers of versions that are kept. Watch out, each version is saved, not only the delta between 2 versions, and this counts to your Site Collection Quota. (Example: you have a Word document with a size of 2 MB. When you keep 5 Drafts this will result in storing (and consuming) 10 MB.So, don’t call your document “NewUserAccountProcessDRAFTv1.docx”, but “NewUserAccountProcess.docx” and use versioning setting in your library.You can enable views on your library to display the version number.You can enable the version number to be displayed in a Word document.3. Use MetadataUse metadata to assign other properties to documents, so it can be easily identified, sorted- or grouped by.

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  • What's the current best practice for C multithreading?

    - by Dexter
    I've been a Java (and PHP) developer for most of my life, but will need to use C for my next project. I remember some basic stuff we did back in school with fork, pthread, semaphores, etc. but I'm not sure if that's still the "way to go" here, or if there have been any recent developments/improvements etc. Google's results seem to be fairly dated. Or does that just mean that this is still the current "state of the art"? Or will I have to use a (system-independent) libary like glib if I want higher-level abstractions, like synchronized queues? What other libraries are there? (The programm will only have to run on Linux though)

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  • How do you gracefully upgrade mission critical systems to wildly disparate systems?

    - by Ernie
    In the span of the 12+ years of my career, I have yet to overcome this hurdle and I suspect the answer simply isn't easy or even possible, so I ask everyone here for their experience. Say that you're running into egregious problems that can only be fixed by moving from one platform to another - either from making a mistake in choosing the platform that was chosen years ago, or simply growing beyond what the system was originally designed for. You know for certain that the cruft that has built up over time will invariably mean that it will be nearly impossible to test for all the things that will certainly lead to tech support hell - which we all know leads to the loss of customers. Not that customers aren't already complaining about the egregious problems that already exist! The best possible way that I've discovered so far is to maybe devise a plan for the changeover, test it on a few clients, test it on a dozen clients, test it on a hundred clients, then finally finish the changeover for everyone and pray that you've worked out all the bugs with those first hundred and twenty, and that the animal by-products will not hit the ventilation system in the most spectacular fashion possible. However, that doesn't mean that it won't anyway. So say that you're moving from Exchange to Exim (or even just Sendmail to Exim). How do you handle it?

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  • Best Usage of Multiple Computers For a Developer

    - by whaley
    I have two Macbook Pros - both are comparable in hardware. One is a 17" and the other a 15". The 17" has a slightly swifter CPU clock speed, but beyond that the differences are completely negligible. I tried a setup a while back where I had the 17" hooked up to an external monitor in the middle of my desk with the 15" laptop immediately to the right of it, and was using teleport to control the 15" from my 17". All development, terminal usage, etc. etc. was being done on the 17" and the 15" was primarily used for email / IM / IRC... or anything secondary to what I was working on. I have a MobileMe account so preferences were synced, but otherwise I didn't really use anything else to keep the computers in sync (I use dropbox/git but probably not optimally). For reasons I can't put my finger on, this setup never felt quite right. A few things that irked me was the 15" was way under-utlized and the 17" was overutilized having 2 laptops and a 21" monitor all on one desk actually took up lots of desk space and it felt like I had too much to look at. I reverted back to just using the 17" and the external monitor and keeping the 15" around the house (and using it very sparingly). For those of you who are using multiple laptops (or just multiple machines for that matter), I'd like to see setups that work for you for when you have 2 or more machines that gives you optimal productivity and why. I'd like to give this one more shot but with a different approach than my previous - which was using the 15" as a machine for secondary things (communication, reading documentation, etc. etc).

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  • What is the best way for an experienced developer to work on a WordPress blog

    - by nanothief
    I'm beginning to work on my first WordPress blog, however I've noticed most tutorials just have you do modifications (such as theme changes, installing plugins) on the production site. This worries me for a few reasons: No backups No version control If you make a mistake, your production site is affected Developing remotely is slower than local development, especially when tweaking css files. I understand why WordPress works like this - it allows people with no development experience to manage their WordPress installation (or the one provided by their service provider). It also allows you to work on the WordPress installation without having ssh access to the server. However as I am confortable working with tools like git and ssh, and am using a virtual server for the blog, this isn't very important to me. So I was wondering what techniques experienced developers use when working on a WordPress blog. For example: Do you develop locally, then push the changes to the live site? How do you do this? How do you manage database changes and backups? What do you store under version control (if anything)? If a plugin changes the database, do you somehow track the changes it does in version control, so you can rollback the changes done by the plugin if you need to? Or maybe I'm just overcomplicating everything if working on the production site isn't as risky as I am thinking it would be. I would appreciate any answers either way.

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  • Lucene best practice

    - by Dragos
    I am trying to understand how Lucene should be used. From what I have read, creating an IndexReader is costly, so using a Search Manager shoulg be the right choice. However, a SearchManager should be produced by a NRTManager(which, by the way, should replace the IndexWriter for every add or delete operation performed). But in order to have a NRTManager, I should first have an IndexWriter, and here comes my problem. The documentation says: an IndexWriter is thread-safe the constructor of this class takes a Directory object, so it seems creating an instace should be costly(as in the case of an IndexReader) all changes are buffered and flushed periodically(so they seem to encourage using a single instance) but: the changes, although flushed will only be visible after commit or close after finished making updates(add/delete), the instance should be closed I also found this: http://stackoverflow.com/questions/5374419/forgot-to-close-the-lucene-indexwriter-after-adding-documents-to-the-index where it is said that not closing a writer might ruin everything So what am I really supposed to do? Is having a single IndexWriter instance a good idea(make only commit and never close it)? EDIT: What is more, if I use NRTManager, how can I make acommit`? Is it even possible?

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  • How Best to Use Your Forum For SEO

    Forums are no exception to this rule, by any means. When you create a forum, you obviously want to attract users who will get the most from your website and actually utilize what you have to offer. It does no good for you to market to the masses and find a 50% success rate when you can market to your specific niche and find a 75% or even 85% success rate.

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  • SEO - The Best Means to Have Visitors!

    Keywords are the words relevant to the subject of your site searching which, any person can land on to your site. They could be any word pertaining to the product or service provided by your portal. Related words are said for, if a person reaches your site searching for something not offered by your site, it would be a waste. Search engines are the websites where any internet user, not knowing of the sites providing a product or service, gets to know all the available sites.

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