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  • Is sticking to one language on a particular project a good practice?

    - by Ans
    I'm developing a pipeline for processing text that will go into production. The question I keep asking myself is: should I stick to one language for the project when I'm looking for a tool to do a particular task (e.g. NLTK, PDFMiner, CLD, CRFsuite, etc.)? Or is it OK to mix and match languages on the project? So I pick the best tool regardless of what language it's written in (e.g. OpenNLP, ParsCit, poppler, CFR++, etc.) and warp (wrap) my code around it? Note, I am not asking about should a developer stick to just one language for their career.

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  • How to make a disk image and restore from it later?

    - by Torben Gundtofte-Bruun
    I'm a new Linux user. I've reinstalled my Wubi from scratch at least ten times the last few weeks because while getting the system up and running (drivers, resolution, etc.) I've broken something (X, grub, unknowns) and I can't get it back to work. Especially for a newbie like me, it's easier (and much faster) to just reinstall the whole shebang than try to troubleshoot several layers of failed "fixing" attempts. Coming from Windows, I expect that there is some "disk image" utility that I can run to make a snapshot of my Linux install (and of the boot partition!!) before I meddle with stuff. Then, after I've foobar'ed my machine, I would somehow restore my machine back to that working snapshot. What's the Linux equivalent of Windows disk imagers like Acronis True Image or Norton Ghost? Note: I found a similar question here.

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  • ANNOUNCEMENT: Windows Server Certified As Oracle Secure Global Desktop Clients With Oracle E-Business Suite 12

    - by Mohan Prabhala
    We are proud to announce the certification of Oracle Secure Global Desktop for use with Microsoft Windows Server 2003 and 2008 virtualized environments acting as desktop clients connecting to Oracle E-Business Suite Release 12 environments.  32-bit and 64-bit versions of Microsoft Windows Server are certified. These combinations may also be used in conjunction with Oracle VM, if required. Oracle E-Business Suite customers and partners may now use Oracle Secure Global Desktop as an access layer for Oracle Applications, knowing that Oracle fully certifies this particular scenario. For more details, please refer to this Oracle E-Business Suite Technology blog or My Oracle Support (Note 1491211.1)

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  • Student wanting to go to a developer conference

    - by Jamie Keeling
    I'm a 21 year old student in my last year of University, and I am looking for information about developer conferences. I live in Derby (United Kingdom) and there's not (As far as I know) many conferences local to where I live. I do have a car at my disposal so travelling shouldn't be a problem. I was hoping somebody could recommend the best way to go about finding and attending a conference, which one is probably the best to go to and what kind of things I'd need to know and take beforehand. I've done a couple of Google searches and searched SO itself but nothing specific to my needs was found. Note: I'm primarily a C# developer using WPF and WinForms but I'm open to pretty much anything.

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  • Weird 301 redirection by google crawler

    - by Ace
    I have some pages on my website www.acethem.com which are having 301 redirection but they are not actually 301 redirects. e.g. www.acethem.com/pastpapers/by-year/2007/ is seen as a 301 redirection to www.acethem.com/pastpapers/by-year by google (I am using "Fetch as google" in webmaster tools. Now more weird: My paginated pages with page = 10 are all redirected to homepage: http://www.acethem.com/pastpapers/o-level/chemistry/page/10/ while http://www.acethem.com/pastpapers/o-level/chemistry/page/9/ is working properly in google crawler. Note that all these pages work fine with no redirect in browsers. Sidenote: on www.acethem.com/pastpapers/by-year/2007/, the facebook share button also points to www.acethem.com/pastpapers/by-year/.

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  • Silverlight Training Montreal in April 2011

    - by pluginbaby
    The Silverlight Tour deliver one more class in Montreal, come and learn top Silverlight content from local experts!!! >> This course will be taught in French * << What: Silverlight training When: April 25-28 (4 days) Where: Montreal, Qc Registration/info: http://www.runatserver.com/SilverlightTraining.aspx Also note that we offer a free license of Telerik's RadControls for Silverlight to every attendee ($999 value)!! For more information on RadControls, visit: http://www.telerik.com/products/silverlight.aspx. * We do english class as well… check our website!

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  • Awesome Bookmarklet Collection Ready to Select from and Add to Your Browser

    - by Asian Angel
    Bookmarklets are extremely useful additions to have for your everyday browsing needs without the hassle (or slowdown effect) of extensions. With that in mind tech blog Guiding Tech has put together a terrific collection of 21 bookmarklets that are ready to add to your favorite browser. Just scroll down and select/install the bookmarklets you like from the blog post and enjoy the enhanced browsing! You can see the beginning and end results from our sample use of the Search Site Bookmarklet in the screenshots above and below… Note: We altered the bookmarklet slightly to focus the search results through Google Singapore. How to Stress Test the Hard Drives in Your PC or Server How To Customize Your Android Lock Screen with WidgetLocker The Best Free Portable Apps for Your Flash Drive Toolkit

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  • Load Balancer impact on web development

    - by confusedGeek
    This question has it's roots in a SharePoint site that I am help with. Background on the issue I dealt with: The dev box and integration server are not setup behind a load balancer. The links were being built using the HttpRequest.Url value from the current context. Note that the links weren't relative links but full URIs. Once we deployed to testing (which has a LB, amongst other things) we received errors on the links being built since the server had an address of "http://some.site.org:999" while the address at the LB as "https://site.org" (SSL was off-loaded at the LB). The fix was easy enough by using relative URIs. The Question: Since this is the first site I've worked with that's behind a Load Balancer on I'm wondering if there are other gotcha's that I need to consider when developing a site behind one?

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  • Announcement Oracle Solaris Cluster 4.1 Availability!

    - by uwes
    On 26th of October Oracle announced the availability of Oracle Solaris Cluster 4.1. Highlights include: New Oracle Solaris 10 Zone Clusters: customers can now consolidate mission critical Oracle Solaris 10 applications on Oracle Solaris 11 virtualized systems in a virtual cluster Expanded disaster recovery operations: Oracle Solaris Cluster now offers managed switchover and disaster-recovery takeover of applications and data using ZFS Storage Appliance replication services in a multi-site, multi-custer configuration Faster application recovery with improved storage failure detection and resource dependencies management New labeled security environment for mission-critical deployments in Oracle Solaris Zone Clusters with Oracle Solaris 11 Trusted Extensions Learn more about Oracle Solaris Cluster 4.1: What's New in Oracle Solaris 4.1 Oracle Solaris Cluster 4.1 FAQ Oracle.com Oracle Solaris Cluster page Oracle Technology Network Oracle Solaris Cluster page Resouces for downloading: Oracle Solaris Cluster 4.1 download or order a media kit Existing Oracle Solaris Cluster 4.0 customers can quickly and simply update by using the network based repository.   Note: This repository requires keys and certificates which can be obtained here.

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  • Game-oriented programming language features/objectives/paradigm?

    - by Klaim
    What are the features and language objectives (general problems to solves) or paradigms that a fictive programming language targetted at games (any kind of game) would require? For example, obviously we would have at least Performance (in speed and memory) (because a lot of games simply require that), but it have a price in the languages we currently use. Expressivity might be a common feature that is required for all languages. I guess some concepts from not-usually-used-for-games paradigms, like actor-based languages, or language-based message passing, might be useful too. So I ask you what would be ideal for games. (maybe one day someone will take those answers and build a language over it? :D ) Please set 1 feature/objective/paradigm per answer. Note: maybe that question don't make sense to you. In this case please explain why in an answer. It's a good thing to have answers to this question that might pop in your head sometimes.

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  • OpenGL Performance Questions

    - by Daniel
    This subject, as with any optimisation problem, gets hit on a lot, but I just couldn't find what I (think) I want. A lot of tutorials, and even SO questions have similar tips; generally covering: Use GL face culling (the OpenGL function, not the scene logic) Only send 1 matrix to the GPU (projectionModelView combination), therefore decreasing the MVP calculations from per vertex to once per model (as it should be). Use interleaved Vertices Minimize as many GL calls as possible, batch where appropriate And possibly a few/many others. I am (for curiosity reasons) rendering 28 million triangles in my application using several vertex buffers. I have tried all the above techniques (to the best of my knowledge), and received almost no performance change. Whilst I am receiving around 40FPS in my implementation, which is by no means problematic, I am still curious as to where these optimisation 'tips' actually come into use? My CPU is idling around 20-50% during rendering, therefore I assume I am GPU bound for increasing performance. Note: I am looking into gDEBugger at the moment Cross posted at StackOverflow

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  • Error 107 (net::ERR_SSL_PROTOCOL_ERROR): SSL protocol error on localhost

    - by Ne0
    Background: I set up a cloud server and have have a website running SSL, it was all pretty strait forward following these instructions and following the instructions given by the SSL certificate issuer. I then went to set up development site on my local machine the same way but using self signed certs using these instructions. I have checked that port 443 is open and this post suggests it is a bad configuration on the server. I have gone through the set up process twice, yet I have been unable to find out what I have done wrong or missed. Does anyone else know what I may have have missed to get this error? Note: As the links suggest this is on 12.04.

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  • JavaOne 2012 - Java Deployment on Mac OS X

    - by Sharon Zakhour
    Also at the JavaOne 2012 conference, Scott Kovatch presented a session on Deploying Your Application with OpenJDK 7 on Mac OS X. The session had special emphasis on how to deploy Java applications to the Mac App Store and discussed topics relevant to using Oracle Java on the Mac. Interested developers may find the following documentation useful: Packaging a Java App for Distribution on a Mac. For more information on installing and using Oracle Java for the Mac, refer to the following documentation: Mac FAQ JDK 7 Installation for Mac OS X JRE 7 Installation for Mac OS X Mac OS X Platform Install FAQ Note for Users of Macs that Include Apple Java 6

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  • Flash is not working in Chrome (Crossover Linux is installed)

    - by Jim Ford
    I have google Chrome 8.0.552.237 on Ubuntu 10.10 64-bit and flash is not working, I have tried a variety of methods to install flash, including Firefox flash-aid and the flash-installer package and nothing is working for me. I have even uninstalled and reinstalled chrome to no avail. I get "missing plugin" message where flash plugin should be in a website. What am I missing? I have a variety of plugins returned by jgbelacqua's command: /usr/lib/chromium-browser/plugins/flashplugin-alternative.so /usr/lib/firefox/plugins/flashplugin-alternative.so /usr/lib/flashplugin-installer/libflashplayer.so /usr/lib/iceape/plugins/flashplugin-alternative.so /usr/lib/iceweasel/plugins/flashplugin-alternative.so /usr/lib/midbrowser/plugins/flashplugin-alternative.so /usr/lib/mozilla/plugins/flashplugin-alternative.so /usr/lib/xulrunner/plugins/flashplugin-alternative.so /usr/lib/xulrunner-addons/plugins/flashplugin-alternative.so /usr/share/ubufox/plugins/libflashplayer.so /var/cache/flashplugin-installer/libflashplayer.so I'm not sure which is necessary and which not. I should note tho that my Chromium does have flash and it does work... just not chrome or firefox.

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  • Oracle UPK and IBM Rational Quality Manager

    - by marc.santosusso
    Did you know that you can import UPK topics into IBM Rational Quality Manager (RQM) as Test Scripts? Attached below is a ZIP of files which contains a customized style (for all supported languages) for creating spreadsheets that are compatible with IBM Rational Quality Manager, a sample IBM Rational Quality Manager mapping file, and a best practice document. UPK_Best_Practices_-_IBM_Rational_Quality_Manager_Integration.zip Extract the files and open the best practice document (PDF file) file to get started. Please note that the IBM Rational Quality Manager publishing style (the ODARC file) include with the above download was created using the customization instructions found within the UPK documentation. That said, it is not currently an "official" feature of the product, but rather an example of what can be created through style customization. Stay tuned for more details. We hope that you find this to be useful and welcome your feedback!

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  • ASP.NET MVC 3 Arrived

    - by Shaun
    The Gu and the Haack had just announced the ASP.NET MVC 3 RTM had been released yesterday. You can download the intall file, release note and source code here. As the Gu said with the ASP.NET MVC 3 there are some other productions released as well NuGet IIS Express 7.5 SQL Server CE 4 Web Deploy & Web Farm Framework 2.0 Orchard 1.0 WebMatrix 1.0 The Orchard is a CMS and blogging system which build from ASP.NET MVC 3 with the new Razor view engine which can be found here and here.   Hope this helps, Shaun All documents and related graphics, codes are provided "AS IS" without warranty of any kind. Copyright © Shaun Ziyan Xu. This work is licensed under the Creative Commons License.

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  • Best Practices of Performance Management Plan (PMP)

    - by Robert Story
    Upcoming WebcastTitle: Best Practices of Performance Management Plan (PMP)Date: April 22, 2010Time: 11 AM EST / 8 AM PST / 8.30 PM IST  Product Family: EBS HRMS SummaryThis webcast will cover the best practices of Performance Management Plan(PMP) in very common scenarios. The best practices will address major issues around plan dates, new hire, manager transfer and related events. The session will also cover HRMS Patching Strategy, Key References and various customer communication channels.A short, live demonstration (only if applicable) and question and answer period will be included.Click here to register for this session....... ....... ....... ....... ....... ....... .......The above webcast is a service of the E-Business Suite Communities in My Oracle Support.For more information on other webcasts, please reference the Oracle Advisor Webcast Schedule.Click here to visit the E-Business Communities in My Oracle Support Note that all links require access to My Oracle Support.

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  • Should I group all of my .js files into one large bundle?

    - by Scottie
    One of the difficulties I'm running into with my current project is that the previous developer spaghetti'd the javascript code in lots of different files. We have modal dialogs that are reused in different places and I find that the same .js file is often loaded twice. My thinking is that I'd like to just load all of the .js files in _Layout.cshtml, and that way I know it's loaded once and only once. Also, the client should only have to download this file once as well. It should be cached and therefore shouldn't really be a performance hit, except for the first page load. I should probably note that I am using ASP.Net bundling as well and loading most of the jQuery/bootstrap/etc from CDN's. Is there anything else that I'm not thinking of that would cause problems here? Should I bundle everything into a single file?

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  • SQL SERVER – Free Online Training on .net and SQL

    - by pinaldave
    I around 10 Free Online Training Codes available of .NET and SQL Training from Pluralsight. I am willing to give it to someone who wants learn technology this weekend. You just have to go to my Facebook page and leave a comment explaining in one line – what course will you learn during weekend. I will send all this codes to 10 winners whom I will randomly select using Facebook. Meanwhile do you know how can you generate Zero without using any numbers in T-SQL. My friend Madhivanan has done that and I find it very interesting.Run following T-SQL code – ‘SELECT $’. He has written many other tricks how to generate zero also on his blog. On another note – I have published my answer for question about SELECT * vs SELECT COUNT(*) here. Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: About Me, Best Practices, Pinal Dave, PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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  • My First Post @ geekswithblogs

    - by sathya
    Dear Friends, Here is my first post on geekswithblogs. I am happy that I have got a separate space here to blog. I am an MCTS certified Professional in .Net 2.0 Web applications, working as a Senior Software Engineer. Willing to share my knowledge on all topics whatever I know. I am also an active presenter / speaker in Microsoft Developer User Group HyderabadTechies. And I have presented many online sessions there. I keep myself updated on the latest technologies in Microsoft. You can see my posts here on the following subjects : C# ASP.NET SQL Server SQL Server Integration Services (SSIS) SQL Server Analysis Services (SSAS) SQL Server Reporting Services (SSRS) I have a personal blog too where I share my knowledge. Pls take a note of it. http://cybersathya.blogspot.com You can see me here often posting the updates on technologies and the technical challenges that I faced and the solutions for the same. Stay Tuned !!! Regards Sathya Narayanan Srinivasan

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  • Passenger (mod-rails) can't find libopenssl-ruby

    - by flintinatux
    Trying to build an nginx server with Phusion Passenger on Ubuntu 11.10 (hurray for the new version!). Running "passenger-install-nginx-module" outputs the following error: * OpenSSL support for Ruby... not found With the following suggestion to fix it: * To install OpenSSL support for Ruby: Please run apt-get install libopenssl-ruby as root. Running "sudo apt-get install libopenssl-ruby" yields the following output: Reading package lists... Done Building dependency tree Reading state information... Done Note, selecting 'libruby' instead of 'libopenssl-ruby' libruby is already the newest version. 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. A little research shows that libruby is a virtual package that provides libopenssl-ruby as part of the package. However, the passenger-install-nginx-module script still can't find it, and keeps throwing the same error. Help me, please! I'm in a little over my head on this one, and the google-the-error-code method that usually works is failing me today.

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  • Yet another blog about IValueConverter

    - by codingbloke
    After my previous blog on a Generic Boolean Value Converter I thought I might as well blog up another IValueConverter implementation that I use. The Generic Boolean Value Converter effectively converters an input which only has two possible values to one of two corresponding objects.  The next logical step would be to create a similar converter that can take an input which has multiple (but finite and discrete) values to one of multiple corresponding objects.  To put it more simply a Generic Enum Value Converter. Now we already have a tool that can help us in this area, the ResourceDictionary.  A simple IValueConverter implementation around it would create a StringToObjectConverter like so:- StringToObjectConverter using System; using System.Windows; using System.Windows.Data; using System.Linq; using System.Windows.Markup; namespace SilverlightApplication1 {     [ContentProperty("Items")]     public class StringToObjectConverter : IValueConverter     {         public ResourceDictionary Items { get; set; }         public string DefaultKey { get; set; }                  public StringToObjectConverter()         {             DefaultKey = "__default__";         }         public virtual object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)         {             if (value != null && Items.Contains(value.ToString()))                 return Items[value.ToString()];             else                 return Items[DefaultKey];         }         public virtual object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)         {             return Items.FirstOrDefault(kvp => value.Equals(kvp.Value)).Key;         }     } } There are some things to note here.  The bulk of managing the relationship between an object instance and the related string key is handled by the Items property being an ResourceDictionary.  Also there is a catch all “__default__” key value which allows for only a subset of the possible input values to mapped to an object with the rest falling through to the default. We can then set one of these up in Xaml:-             <local:StringToObjectConverter x:Key="StatusToBrush">                 <ResourceDictionary>                     <SolidColorBrush Color="Red" x:Key="Overdue" />                     <SolidColorBrush Color="Orange" x:Key="Urgent" />                     <SolidColorBrush Color="Silver" x:Key="__default__" />                 </ResourceDictionary>             </local:StringToObjectConverter> You could well imagine that in the model being bound these key names would actually be members of an enum.  This still works due to the use of ToString in the Convert method.  Hence the only requirement for the incoming object is that it has a ToString implementation which generates a sensible string instead of simply the type name. I can’t imagine right now a scenario where this converter would be used in a TwoWay binding but there is no reason why it can’t.  I prefer to avoid leaving the ConvertBack throwing an exception if that can be be avoided.  Hence it just enumerates the KeyValuePair entries to find a value that matches and returns the key its mapped to. Ah but now my sense of balance is assaulted again.  Whilst StringToObjectConverter is quite happy to accept an enum type via the Convert method it returns a string from the ConvertBack method not the original input enum type that arrived in the Convert.  Now I could address this by complicating the ConvertBack method and examining the targetType parameter etc.  However I prefer to a different approach, deriving a new EnumToObjectConverter class instead. EnumToObjectConverter using System; namespace SilverlightApplication1 {     public class EnumToObjectConverter : StringToObjectConverter     {         public override object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)         {             string key = Enum.GetName(value.GetType(), value);             return base.Convert(key, targetType, parameter, culture);         }         public override object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)         {             string key = (string)base.ConvertBack(value, typeof(String), parameter, culture);             return Enum.Parse(targetType, key, false);         }     } }   This is a more belts and braces solution with specific use of Enum.GetName and Enum.Parse.  Whilst its more explicit in that the a developer has to  choose to use it, it is only really necessary when using TwoWay binding, in OneWay binding the base StringToObjectConverter would serve just as well. The observant might note that there is actually no “Generic” aspect to this solution in the end.  The use of a ResourceDictionary eliminates the need for that.

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  • How to use SharePoint modal dialog box to display Custom Page Part3

    - by ybbest
    In the second part of the series, I showed you how to display and close a custom page in a SharePoint modal dialog using JavaScript and display a message after the modal dialog is closed. In this post, I’d like to show you how to use SPLongOperation with the Modal dialog box. You can download the source code here. 1. Firstly, modify the element file as follow   2. In your code behind, you can implement a close dialog function as below. This will close your modal dialog box once the button is clicked and display a status bar. Note that you need to use window.frameElement.commonModalDialogClose instead of window.frameElement.commonModalDialogClose References: How to: Display a Page as a Modal Dialog Box

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  • "initialization error: class file has wrong version" message in JDeveloper 10.1.2.x

    - by [email protected]
    The "initialization error: class file has wrong version" has become a somewhat recurrent error message thrown by JDeveloper 10.1.2.x as newer JDKs have been released in the last years. Note that JDeveloper 10.1.2 was developed to run with JDK 1.4.2. The reasons for this error message to be thrown include: A JDK version higher than 1.4.2 is being used and some unexpected incompatibility conflicts can occur because of that Some of the libraries used on the workspace and/or project were compiled with newer JDK version So, it is strongly recommended to use newer JDeveloper versions (10.1.3 - 11g) for newer JDKs. JDeveloper 10.1.2 will be desupported in December 2010 (or later depending on the support contract). Further information about this can be seen at http://www.oracle.com/support/library/brochure/lifetime-support-middleware.pdf

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  • SharePoint 2010 Information Worker VM available for download

    - by Enrique Lima
    If you interested in a test drive of the technologies around the Wave 14 launch, take look at the VM made available from Microsoft. It is a very well rounded option to explore the new products. 2010 Information Worker Demonstration and Evaluation Virtual Machine Note:  It is important to understand you will need a system with Hyper-V to import this VM and get it off and working.  Also, make sure you keep a copy of the original unpacked VM as this is based on a trial version of the OS (time bombed) and there is a chance to rearm the VM, but you are better off either keeping the original files or taking a snapshot as soon as the VM is living in your Hyper-V environment.

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