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  • LL(8) and left-recursion

    - by Peregring-lk
    I want to understand the relation between LL/LR grammars and the left-recursion problem (for any question I know parcially the answer, but I ask them as I don't know nothing, because I am a little confused now, and prefer complete answers) I'm happy with sintetized or short and direct answers (or just links solving it unambiguously): What type of language isn't LL(8) languages? LL(K) and LL(8) have problems with left-recursion? Or only LL(k) parsers? LALR(1) parser have troubles with left or right recursion? What type of troubles? Only in terms of the LL/LALR comparision. What is better, Bison (LALR(1)) or Boost.Spirit (LL(8))? (Let's suppose other features of them are irrelevant in this question) Why GCC use a (hand-made) LL(8) parser? Only for the "handling-error" problem?

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  • Can web applications running on IIS7 Windows Server 2008 R2 be forced to immediately detect changes to hosts file?

    - by Brenda Bell
    We have several web applications running on several load-balanced servers. We want to have our web applications communicate with each other without first traversing outside the load balancer. For example: http://appA.example.com is running on 192.0.2.1 and 192.0.2.2 http://appB.example.com is also running on 192.0.2.1 and 192.0.2.2 The load balancer's public IP address is 198.51.100.3 By default, when appA on 192.0.2.1 makes a call to a WCF service hosted in appB, the HTTP request is routed to 192.51.100.3; this establishes a new session and the load balancer will direct the call to either of the two servers We want the call to be routed to the instance of appB running on the same server so we add 192.0.2.1 appB.example.com to the hosts file on 192.0.2.1. This eventually works, but we either have to wait for the app pool to naturally recycle or do a manual reset before appA sees the new address. Is there any way to have the change automatically detected without having to recycle the app pool?

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  • What are good Software Project Management Texts / Resources?

    - by locster
    I'm looking for ideas and resources pertaining to software project management, specifically resources that I can direct project managers to in order to broaden their knowledge of the subject. So for example an obvious choice here would be The Mythical Man Month - I do think that this would be an appropriate suggested first read for /some/, but not all. Probably for managers that arrive at the job with more of a management background rather than a technical one TMMM might be a bit 'heavy'. I'm looking for similar texts that convey more or less the same messages, but perhaps in a form more appropriate for people from a wide range of backgrounds. Thanks.

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  • Are you ready to take a walk in the clouds?

    - by Steve Loethen
    Cloud computing is here, whether we want it or not.  When I say "a walk in the clouds” I am not talking about a pleasant romantic comedy, but a real alternative to hosting applications on-premise.  For years we have had the power to host our web sites on remote systems.  Sure, challenges existed.  Mostly web sites.  I could, with a few clicks, create a account at a myriad of web host sites, put my site in the hands of a remote hosting company, and boom, I was a site on the internet.  But choices, power, and management was limited. Now, we have a set of services to let us approach and power and control we love, but with scalability of the data center.  My personal web site is hosted on a laptop running hyperV in my basement.  I have to manage the machine, patch it, make sure it is powered up.  This is fine for the “hello, this is my dog skippy site” that I maintain. If the football pool I run has an issue, one of the 10 users I have calls or emails me and I go check it out.  All is well. But this falls well below the needs of even the simplest of enterprises.  A business needs a stronger datacenter, a better pipe to the world.  Do I really want to base my business on a dynamic dns and a dsl line from the local phone company? Cloud computing gives us most of what I value (control, a db of my own, updating my site from Visual Studio). Come learn how this technology can transform your business.  If you are a Microsoft shop, or are interested in Microsoft in the cloud, on April 8 and 9, a 2 day free Azure training class is being conducted in Kansas City.  http://www.azurebootcamp.com/city/kansascity Hope to see you there.  If you come, make sure you look me up.

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  • MVC 2 in 2 Minutes!

    - by Steve Michelotti
    In a couple of recent Code Camps, I’ve given my presentation: Top 10 Ways MVC 2 Will Boost Your Productivity. In the presentation, I cover all major new features introduced in MVC 2 with a focus on productivity enhancements. To drive the point home, I conclude with a final demo where I build a couple of screens from scratch highlighting many (but not all) of the features previously covered in the talk. A couple of weeks ago, I was asked to make it available online so here it is. In 2 minutes the demo builds a couple screens from scratch that provide a goal setting tracker for a user. MVC 2 features included in the video are: Template Helpers / Editor Templates Server-side/Client-side Validation Model Metadata for View Model HTML Encoding Syntax Dependency Injection Abstract Controllers Custom T4 Templates Custom MVC Visual Studio 2010 Code Snippets The complete code samples and slide deck can be downloaded here: Top 10 Ways MVC 2 Will Boost Your Productivity. Enjoy! (Right-click and Zoom to view in full screen)   Click here for Direct link to video

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  • Webcast: Oracle Transportation Management Installation

    - by ChristineS
    Webcast: Oracle Transportation Management Installation Date:  November 19, 2013 at 9:30 pm India Time (Mumbai, GMT+05:30), 11:00 am ET, 10:00 am CT, 9:00 am MT, 8:00 PT This one-hour session is recommended for Technical Users, System Administrators, and DBAs who will be installing Oracle Transportation Management. This webcast walks through the steps to install WebLogic, OTM Installer and OHS Installer. We are covering following topics in this Webcast : Review required steps before doing them Ask questions to live OTM Expert while going through the steps Reduce the number of errors while installing Reduce the need to log an SR during the installation process Details & Registration : Doc ID 1591674.1.Direct registration link If you have a suggestion for an Advisor Webcast to be planned in future, please post in our Community Forum What Order Management Advisor Webcast topics do YOU want to see presented?. Remember that you can access a full listing of all future webcasts as well as replays from Doc ID 740966.1. 

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  • package update in ubuntu on vitual box

    - by Ayusman
    while following one of the tutorials I needed to install a curl package. Here are my system configuration: Virtualbox 4.1 on Windows 7 64 bit. I have installed ubuntu 12.04 on the virtual box. When I try the following: sudo apt-get install curl I see the following errors: [sudo] password for userMe: Reading package lists... Done Building dependency tree Reading state information... Done Package curl is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package 'curl' has no installation candidate userMe@userMe-ubuntu:~$ When I try the same on a direct installation of ubuntu on a laptop (not a virtual machine) there is no problem. I am assuming this may be because of network settings. Please note that my work PC is in a corporate network and uses auto proxy settings (using a .pac file) for internet access etc. Any help will be appreciated.

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  • I am the Webmaster now. Where do I start? [closed]

    - by John C
    I just changed jobs and will soon be in charge of a custom-built ASP.NET CMS and website for a fairly large corporation with global offices. I have IT and developer FTE resources available to me but I am trying to build a list of branding, project, and functionality points to review. What guides or lists can/should I use to evaluate this website before I begin adding features, creating new projects, or even redesigning and redeveloping the site? (I have been a webmaster/designer/developer for small, WordPress/Drupal sites for 10 years. I have been an unofficial webmaster (director/content manager) for a large site for 3 years (no direct development control over Sharepoint administration, IIS, or hosting ... but everything else, I did. Analytics, email, advertising, social, SEO, etc.).) Thank you!

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  • WeekEnd BeMyApp : spécial Téléthon, le challenge de développement d'applications mobiles concerne cette fois iOS, Android, Web et Bada

    WeekEnd BeMyApp : spécial Téléthon Le nouveau challenge de développement d'applications mobiles concerne iOS, Android, Web et Bada Une édition spéciale du challenge de développement d'applications mobiles sera organisée pour le Téléthon. Les téléspectateurs et internautes pourront suivre en direct les projets et voter pour leur application préférée. Le principe d'un WeekEnd BeMyApp est de développer des applications mobiles en 2 jours non stop. Si vous avez une bonne idée d'application mobile, mais n'y connaissez rien, vous pouvez participer au BeMyApp en la présentant le vendredi soir. Si votre idée plait, des développeurs, designers et marketeurs la dévelop...

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  • Announcement: Federal Financial Briefing

    - by jeffrey.waterman
    Dear Oracle/PeopleSoft Federal Financial Management Customers: Oracle is pleased to announce that we will conduct the next Federal Financial Management Briefing on Tuesday, April 17th from 8:30 am until 2:00 pm at the Oracle Campus in Reston, Virginia. The Registration Link and Agenda can be found at the web site below: Federal Financial Briefing: Register Here Directions to Oracle Reston: From the Beltway take the Dulles Toll Road (Route 267 West). Do not get on the Dulles Access Road or you will not be able to exit until you get to the airport. Take the Reston Parkway Exit (Exit 12). At the end of the exit ramp, turn right onto Reston Parkway. Make your first right onto Sunset Hills Road. Take a Right turn onto Oracle Way and park in Visitor Parking. The receptionist will direct you to the CAB.

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  • The evils of #region

    - by DarrenFieldhouse
    I’m not a big fan of #region, I use it occasionally but generally try to avoid it. It’s always frustrating to open a code file and be presented with nothing but collapsed regions – sure, it looks neat (and lets face, more than a few programmers are a little OCD) but I want to see the code, that’s why I opened the file in the first place! Don’t worry, I’m not going off on a rant, I just want to direct you to a much more level headed explanation of The Problem With Code Folding. I couldn’t agree more.

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  • Service pack 1 on the way for Windows 7 and Windows Server 2008 R2

    - by John Breakwell
    On the MSMQ front, only two hotfixes are listed: 2028997 - FIX: Message Queuing may become unresponsive in Windows 7 or in Windows Server 2008 R2 974813 - FIX: You cannot send or receive messages by using Message Queuing 4.0 or Message Queuing 5.0 after you configure the BindInterfaceIP registry entry. from a total of 625 documented for the service pack. There may, of course, be undocumented changes where an update was not previously released separately and so has no associated KB article published. According to the Core Team, Volume Licensed, MSDN and TechNet subscribers get access February 16th, 2011. All customers get access February 22nd, 2011, through Windows Update and direct download So get ready to start testing.

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  • Ubuntu 11.04 windows XP dual boot problem

    - by Bernie
    I have installed Ubuntu 11.04 direct from installation disk in a separate partition alongside an existing Windows XP installation. Ubuntu operates fine. I can see the old XP file system and the other network computer and access the internet. The problem is when the computer starts I get the boot selection list for Ubuntu or XP; but I am not allowed to select Windows XP (I cannot scroll down the list with tab or arrows keys). This would be fine for me but the computer is used by other people who are only familiar with windows XP at the moment. I have downloaded and run Boot Repair. Below is the link to the resulting data. http://paste.ubuntu.com/1082944/ I hope you can help solve this problem. I look forward to hearing from you. Kind Regards Bernie.

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  • Premier Support for Hyperion Enterprise Performance Management System 11.1.1.x Ends July 2013

    - by inowodwo
    Premier Support for Oracle Hyperion Enterprise Performance Management System release 11.1.1.x expires July 2013. After July 2013, Sustaining Support will continue to be provided in accordance with Oracle's Lifetime Support Policy. Customers must follow a supported upgrade path.If your deployment is at EPM System release 11.1.1.4- Your supported upgrade path is directly to release 11.1.2.2.If your deployment is at EPM System Release 11.1.1.3 release- Your supported upgrade path is directly to release 11.1.2.2.If your deployment is at a prior 11.1.1.3 release- The recommended path is to upgrade to release 11.1.1.3. From here, you can continue a direct upgrade to release 11.1.2.2. For more information see Doc ID 1511588.1 or the Oracle Lifetime Support Policy

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  • G5 quad core will not boot from Ubuntu CD

    - by Steve Howard
    I have a PPC G5 Quad Core with Leopard on one hard drive and I want to install Ubuntu on a second hard drive. The second drive is installed and formatted as a Mac OS Extended (Journaled) drive. I have had no success booting from a CD or DVD with various PPC versions of Ubuntu using any of the suggested keys such as "C, Option, or anything else. Booting into open firmware doesn't work as the system can't find the \install\yaboot file. I am using various CD's burned as iso disk images, but none will boot. I have reset the PRAM, etc, to no avail. Beginning to get very frustrated. Can someone shed some light and provide me with a command line in open firmware that will work, or else direct me to a confirmed PPC bootable version of Ubuntu please? I'd appreciate any help you can provide....

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  • BizTalk 2009 - Messages: Last 50 suspended

    - by StuartBrierley
    Having previously talked about the lack of the traditional HAT in BizTalk 2009, the question then becomes how do you replicate some of the functionality that was previsouly relied on? I have already covered the Last 100 Messages Received  and the Last 100 Messages Sent queries so what about suspended messages? In BizTalk 2004 we had a query in HAT to return the last 100 suspended message instances.  Lets create a direct replacement in a BizTalk 2009 Hatless environment. Basically we are creating a query to search for the last fifty messages that were suspended by BizTalk: Coming up Service instances - Last 100

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  • How to solve cyclic dependencies in a visitor pattern

    - by Benjamin Rogge
    When programming at work we now and then face a problem with visitors and module/project dependencies. Say you have a class A in a module X. And there are subclasses B and C in module Y. That means that module Y is dependent on module X. If we want to implement a visitor pattern to the class hierarchy, thus introducing an interface with the handle Operations and an abstract accept method in A, we get a dependency from module Y to module X, which we cannot allow for architectural reasons. What we do is, use a direct comparison of the types (i.e. instanceof, since we program in Java), which is not satisfying. My question(s) would be: Do you encounter this kind of problem in your daily work (or do we make poor architectural choices) and if so, how is your approach to solve this?

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  • Microsoft Press Deal of the Day 11/Oct/2012 - CLR via C#, 3rd Edition

    - by TATWORTH
    Today's Deal of the Day from Microsoft Press at http://shop.oreilly.com/product/9780735627048.do?code=MSDEAL is CLR via C#, 3rd EditionThe deal expires probably 23:59 PT, today 11/Oct/2012. Remember to use the code MSDEAL at checkout."Dig deep and master the intricacies of the common language runtime (CLR) and the .NET Framework 4.0. Written by a highly regarded programming expert and consultant to the Microsoft® .NET team, this guide is ideal for developers building any kind of application-including Microsoft® ASP.NET, Windows® Forms, Microsoft® SQL Server®, Web services, and console applications. You'll get hands-on instruction and extensive C# code samples to help you tackle the tough topics and develop high-performance applications." This is a very through book about Dot Net that I have completed reviewing. I commend it to all C# development teams and to individual developers with at least a year's worth of C# experience. The only drawback is that there should be a VB.NET equivalent book for the benefit of the many programming shops that have chosen VB.NET.For further details about the book see: http://oreilly.com/catalog/9780735627048The author has made some useful source available athttp://www.wintellect.com/Resources/Downloads/PushPin

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  • The SQL Server Setup Portal

    - by BuckWoody
    One of the tasks that takes a long time for the data professional is setting up SQL Server. No, it isn’t that difficult to slide a DVD in a drive and click “Setup” but the overall process of planning the hardware and software environment, making decisions for high-availability, security and dozens of other choices can make the process more difficult. And then, of course, there are the inevitable issues that arise. Microsoft supports literally hundreds and even thousands of combinations of hardware and software drivers from vendors you’ve never even heard of. Making all of that work together is a small miracle, so things are bound to arise that you need to deal with. So, to help you out, we’ve designed a new “SQL Server Setup Portal”. It’s a one-stop-shop for everything you need to know about planning and setting up SQL Server. As time goes on you’ll see even more content added. There are already whitepapers, videos, and multiple places to search on everything from topic names to error codes. So go check it out – and if you have to do a lot of SQL Server Setups – and especially if you don’t – bookmark it as a favorite! Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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  • 3D open source physics engine suitable for mobile platforms (Android and iOS)

    - by lukeluke
    I have made some research and found that bullet, ode, newton and some others are open source physics engines that should be portable enough (but I have never tried to comile/use anyone of them on phones). I am writing my games for mobile platforms in C++, so the engine should be C or C++. I need a fast engine, since mobile platforms have limited resources. I need a free engine. A good design would be nice to have too. What engine is best suited for my task? What I really would like to hear from you is your direct experience. Documentation and support (for example, forum or an IRC channel) is a really important aspect to take into consideration.

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  • Bukkit send a custom placed name plate?

    - by HcgRandon
    Hello i have been working on a part of my plugin that has waypoints allowing the user to create delete etc. I got to thinking after using and seeing a couple of the disguse plugins. That maybe i could create a command toggle that would show the user where the waypoints they have are! I know how to do all of this i just have no idea how to display a nameplate to the client. I know its possible because disguisecraft does it i tried looking though their code but couldent find much... I belive to get this effect i need to send packets to the client if someone can direct me to a list of bukkit packets or even a solution to sending the client a custom located nameplate that would be fantastic! Thanks in advanced.

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  • How to use auto login in a remastered LiveCD?

    - by Jayo
    I have been creating a custom live CD of Ubuntu 11.10 using remastersys, everything goes well except that the live session asks for a login. the login is automatically set as "custom" and the password is blank. this is fine, but I would rather it went direct to the desktop in a live session as you would expect from other distro live cds. I have asked on the remastersys forums, the question has gotten a lot of views, but no answer as of yet, I am wondering has anyone here remastered a distro and come across the login problem, and if so, how did you fix it?

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  • Reader Poll: Are You Switching to Internet Explorer 9?

    - by Jason Fitzpatrick
    The recent release of Internet Explorer 9 polished up the IE line with a new interface, hardware acceleration, and more. Is enough to convince you to switch? Yesterday we gave you a full run down of the Internet Explorer 9 release and highlighted the major improvements including: a totally new interface that’s even more streamlined than that of Google Chrome, direct access to your video card for super fast acceleration, customizable menus for pinned sites, HTML 5 support, and a combined address and search bar, among other improvements. Is it enough to sway you? Cast your vote in the poll below and then sound off in the comments. How-To Geek Polls require Javascript. Please Click Here to View the Poll. How to Create an Easy Pixel Art Avatar in Photoshop or GIMPInternet Explorer 9 Released: Here’s What You Need To KnowHTG Explains: How Does Email Work?

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  • Developer Deep Dive into Oracle WebLogic Server 12c (Dec. 1)

    - by oracletechnet
    It is not often that we are compelled to direct you toward a product launch event. But this one is special. On Dec. 1, Oracle will launch (via live Webcast) Oracle WebLogic Server 12c, a major update to that product. And this release, which includes Java EE 6 support, Active GridLink for Oracle RAC, and Oracle Virtual Assembly Builder, among other things, is specifically designed to improve the process of deploying apps to the cloud. Even better: the Dec. 1 Webcast includes an hour-long, developer-focused deep-dive session in which product experts will answer your questions via live chat. (Register for this session separately.) You don't want to miss this one, folks! 

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  • Continue with Java for pc or go to android? [on hold]

    - by Chris London
    so I have been learning java from Deitel's learn java 9th edition. I am up to GUI's and a have a pretty good grasp on OOP etc. I want to go straight to the mobile app development scene, I believe I will learn a fair bit there on using API's, and other tools to develop apps. I am not sure weather I should carry on with PC coding (GUI's etc etc) or skip it all and go direct to learning the Android SDK. So, should I carry on, learn about sockets, writing and reading files, GUI's for PC etc or get a book and jump into android? Thanks a lot guys.

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