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  • Sudoku Solver

    - by merrillaldrich
    Today I am putting up something silly, just for fun. I set myself the task a while back to write a Sudoku solver in T-SQL, but with two dumb constraints that I would never follow given a real problem: I didn’t look at any documented techniques for solving Sudoku, and I specifically avoided T-SQL solutions, even though this has been done already many times. (The first thing I do with a real problem is to see who solved it already, and how, since most things have been done already. Not checking is...(read more)

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  • get the path of moved directory/file (source path and destination path)

    - by Ghanshyam Rathod
    When one directory is moved to other destination path, then i want to log the entry of original source path and entry of the path where it moved. any command is already available ? or any other way of doing this task? Ex: D1 = /home/user/Documents/test D2 = /home/user/Documents/Data/test when i moved D1 directory to the destination path to D2 directory then i want to log, like "test" directory is moved from D1 to D2 path Thanks

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  • Desktop Fun: Dragons Wallpaper Collection Series 2

    - by Asian Angel
    Whether they are flying through the sky, hunting for food, or defending their lairs dragons are truly inspirational creatures that easily stir our imaginations. Let your desktop take flight with the second in our series of Dragons Wallpaper collections. What Is the Purpose of the “Do Not Cover This Hole” Hole on Hard Drives? How To Log Into The Desktop, Add a Start Menu, and Disable Hot Corners in Windows 8 HTG Explains: Why You Shouldn’t Use a Task Killer On Android

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  • Meta package / quick reference for string manipulation commands?

    - by Dylan McCall
    The latest version of the Scribes text editor lets us select some text, hit Alt+X, and then run an arbitrary command. For example, I can run the sort command and the selected text is replaced appropriately. This is quite useful but I am also not very well-versed in awk and the like. Is there something I can grab that will provide more of these commands like sort? Maybe a package with a whole bunch of handy, task-specific string manipulation commands?

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  • Game of Thrones Theme Played on Eight Floppy Drives [Video]

    - by Asian Angel
    YouTube user MrSolidSnake745 has put together a fun (and awesome) rendition of the ‘Game of Thrones’ theme using eight floppy drives. Game Of Thrones Theme on eight floppy drives [via Geeks are Sexy] HTG Explains: What The Windows Event Viewer Is and How You Can Use It HTG Explains: How Windows Uses The Task Scheduler for System Tasks HTG Explains: Why Do Hard Drives Show the Wrong Capacity in Windows?

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  • Parallel LINQ - PLINQ

    - by nmarun
    Turns out now with .net 4.0 we can run a query like a multi-threaded application. Say you want to query a collection of objects and return only those that meet certain conditions. Until now, we basically had one ‘control’ that iterated over all the objects in the collection, checked the condition on each object and returned if it passed. We obviously agree that if we can ‘break’ this task into smaller ones, assign each task to a different ‘control’ and ask all the controls to do their job - in-parallel, the time taken the finish the entire task will be much lower. Welcome to PLINQ. Let’s take some examples. I have the following method that uses our good ol’ LINQ. 1: private static void Linq(int lowerLimit, int upperLimit) 2: { 3: // populate an array with int values from lowerLimit to the upperLimit 4: var source = Enumerable.Range(lowerLimit, upperLimit); 5:  6: // Start a timer 7: Stopwatch stopwatch = new Stopwatch(); 8: stopwatch.Start(); 9:  10: // set the expectation => build the expression tree 11: var evenNumbers =   from num in source 12: where IsDivisibleBy(num, 2) 13: select num; 14: 15: // iterate over and print the returned items 16: foreach (var number in evenNumbers) 17: { 18: Console.WriteLine(string.Format("** {0}", number)); 19: } 20:  21: stopwatch.Stop(); 22:  23: // check the metrics 24: Console.WriteLine(String.Format("Elapsed {0}ms", stopwatch.ElapsedMilliseconds)); 25: } I’ve added comments for the major steps, but the only thing I want to talk about here is the IsDivisibleBy() method. I know I could have just included the logic directly in the where clause. I called a method to add ‘delay’ to the execution of the query - to simulate a loooooooooong operation (will be easier to compare the results). 1: private static bool IsDivisibleBy(int number, int divisor) 2: { 3: // iterate over some database query 4: // to add time to the execution of this method; 5: // the TableB has around 10 records 6: for (int i = 0; i < 10; i++) 7: { 8: DataClasses1DataContext dataContext = new DataClasses1DataContext(); 9: var query = from b in dataContext.TableBs select b; 10: 11: foreach (var row in query) 12: { 13: // Do NOTHING (wish my job was like this) 14: } 15: } 16:  17: return number % divisor == 0; 18: } Now, let’s look at how to modify this to PLINQ. 1: private static void Plinq(int lowerLimit, int upperLimit) 2: { 3: // populate an array with int values from lowerLimit to the upperLimit 4: var source = Enumerable.Range(lowerLimit, upperLimit); 5:  6: // Start a timer 7: Stopwatch stopwatch = new Stopwatch(); 8: stopwatch.Start(); 9:  10: // set the expectation => build the expression tree 11: var evenNumbers = from num in source.AsParallel() 12: where IsDivisibleBy(num, 2) 13: select num; 14:  15: // iterate over and print the returned items 16: foreach (var number in evenNumbers) 17: { 18: Console.WriteLine(string.Format("** {0}", number)); 19: } 20:  21: stopwatch.Stop(); 22:  23: // check the metrics 24: Console.WriteLine(String.Format("Elapsed {0}ms", stopwatch.ElapsedMilliseconds)); 25: } That’s it, this is now in PLINQ format. Oh and if you haven’t found the difference, look line 11 a little more closely. You’ll see an extension method ‘AsParallel()’ added to the ‘source’ variable. Couldn’t be more simpler right? So this is going to improve the performance for us. Let’s test it. So in my Main method of the Console application that I’m working on, I make a call to both. 1: static void Main(string[] args) 2: { 3: // set lower and upper limits 4: int lowerLimit = 1; 5: int upperLimit = 20; 6: // call the methods 7: Console.WriteLine("Calling Linq() method"); 8: Linq(lowerLimit, upperLimit); 9: 10: Console.WriteLine(); 11: Console.WriteLine("Calling Plinq() method"); 12: Plinq(lowerLimit, upperLimit); 13:  14: Console.ReadLine(); // just so I get enough time to read the output 15: } YMMV, but here are the results that I got:    It’s quite obvious from the above results that the Plinq() method is taking considerably less time than the Linq() version. I’m sure you’ve already noticed that the output of the Plinq() method is not in order. That’s because, each of the ‘control’s we sent to fetch the results, reported with values as and when they obtained them. This is something about parallel LINQ that one needs to remember – the collection cannot be guaranteed to be undisturbed. This could be counted as a negative about PLINQ (emphasize ‘could’). Nevertheless, if we want the collection to be sorted, we can use a SortedSet (.net 4.0) or build our own custom ‘sorter’. Either way we go, there’s a good chance we’ll end up with a better performance using PLINQ. And there’s another negative of PLINQ (depending on how you see it). This is regarding the CPU cycles. See the usage for Linq() method (used ResourceMonitor): I have dual CPU’s and see the height of the peak in the bottom two blocks and now compare to what happens when I run the Plinq() method. The difference is obvious. Higher usage, but for a shorter duration (width of the peak). Both these points make sense in both cases. Linq() runs for a longer time, but uses less resources whereas Plinq() runs for a shorter time and consumes more resources. Even after knowing all these, I’m still inclined towards PLINQ. PLINQ rocks! (no hard feelings LINQ)

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  • make-like build tools for data?

    - by miku
    Make is a standard tools for building software. But make decides whether a target needs to be regenerated by comparing file modification times. Are there any proven, preferably small tools that handle builds not for software but for data? Something that regenerates targets not only on mod times but on certain other properties (e.g. completeness). (Or alternatively some paper that describes such a tool.) As illustration: I'd like to automate the following process: get data (e.g. a tarball) from some regularly updated source copy somewhere if it's not there (based e.g. on some filename-scheme) convert the files to different format (but only if there aren't successfully converted ones there - e.g. from a previous attempt - custom comparison routine) for each file find a certain data element and fetch some additional file from say an URL, but only if that hasn't been downloaded yet (decide on existence of file and file "freshness") finally compute something (e.g. word count for something identifiable and store it in the database, but only if the DB does not have an entry for that exact ID yet) Observations: there are different stages each stage is usually simple to compute or implement in isolation each stage may be simple, but the data volume may be large each stage may produce a few errors each stage may have different signals, on when (re)processing is needed Requirements: builds should be interruptable and idempotent (== robust) when interrupted, already processed objects should be reused to speedup the next run data paths should be easy to adjust (simple syntax, nothing new to learn, internal dsl would be ok) some form of dependency graph, that describes the process would be nice for later visualizations should leverage existing programs, if possible I've done some research on make alternatives like rake and have worked a lot with ant and maven in the past. All these tools naturally focus on code and software build, not on data builds. A system we have in place now for a task similar to the above is pretty much just shell scripts, which are compact (and are a ok glue for a variety of other programs written in other languages), so I wonder if worse is better?

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  • Rails3 environment running very slow on Windows XP, Ubuntu 9.04, Ubuntu 9.10

    - by bergyman
    I've tried all three (granted the Ubuntu versions were via VirtualBox with XP as a host, but I gave the images all the available RAM my system has). Loading the rails environment is taking 30-60 seconds. rails console, rake test:units - anything that requires rails to load up. And not just on the first go - every time. I've even used autotest to see if it helps with execution time for unit tests, but it doesn't. Any time I change one test, it still takes 30 seconds to load them, and then about 4 seconds to execute. Has anyone else come across this issue? Has anyone figured out any way to fix this?

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  • Visual Studio 10 crashed when tried to open one of solutions

    - by Michael Freidgeim
    Visual Studio 10 crashed when I tried to open  one of my solutions. Closing Visual Studio and rebooting the machine didn’t help.The error message that was logged(see below), didn’t give any useful ideas.Finally It was fixed after I’ve deleted MySolution.suo file, which was quite big, and also Resharper folders.Log Name:      ApplicationSource:        Application ErrorEvent ID:      1000Task Category: (100)Level:         ErrorKeywords:      ClassicUser:          N/ADescription:Faulting application name: devenv.exe, version: 10.0.40219.1, time stamp: 0x4d5f2a73Faulting module name: msenv.dll, version: 10.0.40219.1, time stamp: 0x4d5f2d48Exception code: 0xc0000005Fault offset: 0x00355770Faulting process id: 0x1dc0Faulting application start time: 0x01cd1836888599f4Faulting application path: C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE\devenv.exeFaulting module path: c:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE\msenv.dllReport Id: 9924b2f9-844e-11e1-bc19-782bcba513eaEvent Xml:<Event >  <System>    <Provider Name="Application Error" />    <EventID Qualifiers="0">1000</EventID>    <Level>2</Level>    <Task>100</Task>    <Keywords>0x80000000000000</Keywords>    <TimeCreated SystemTime="2012-04-12T03:21:31.000000000Z" />    <EventRecordID>401998</EventRecordID>    <Channel>Application</Channel>    <Security />  </System>  <EventData>    <Data>devenv.exe</Data>    <Data>10.0.40219.1</Data>    <Data>4d5f2a73</Data>    <Data>msenv.dll</Data>    <Data>10.0.40219.1</Data>    <Data>4d5f2d48</Data>    <Data>c0000005</Data>    <Data>00355770</Data>    <Data>1dc0</Data>    <Data>01cd1836888599f4</Data>    <Data>C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE\devenv.exe</Data>    <Data>c:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE\msenv.dll</Data>    <Data>9924b2f9-844e-11e1-bc19-782bcba513ea</Data>  </EventData></Event>v

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  • Feature pack for SQL Server 2005 SP4 - collection of standalone packages

    - by ssqa.net
    With the release of SQL2005Sp4 an additional task is essential for DBAs & Developers to avoid any compatibility issues with existing code agains SP4 instance. Feature pack for SQL Server 2005 SP4 is available to download which contains the standalone packages such as SQLNative Client, ADOMD, OLAPDM etc.... as it states the feature pack are built on latest versions of add-on and backward compatibility contents for SQL Server 2005. The above link provides individual file to download for each environment...(read more)

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  • Water Balloons In Slow Motion [Video]

    - by Jason Fitzpatrick
    As part of our ongoing campaign to prove that everything looks better in slow motion, we present to you: ultra slow motion footage of rippling water balloons. [via Boing Boing] HTG Explains: How Windows Uses The Task Scheduler for System Tasks HTG Explains: Why Do Hard Drives Show the Wrong Capacity in Windows? Java is Insecure and Awful, It’s Time to Disable It, and Here’s How

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  • SQL Server Impersonation

    SQL Server impersonation, or context switching, is a means to allow the executing user to assume the permissions of a given user or login until the context is set back, set to yet another user, or the session is ended. Deanna Dicken shows you two mechanisms for accomplishing this task and walks through some examples.

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  • Per-Thread Visibility PHPBB

    - by Andrei Krotkov
    I'm trying to implement a registration system for a board I'm running, and I want a forum where every thread is invisible to everyone but the person who started it and the moderator staff. I want the staff to be able to post and for the person registering to respond, but I haven't been able to find a per-post visibility solution. Are there any mods that perform this task, or is there a hidden setting in the software somewhere?

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  • Oracle ADF Sessions at Oracle OpenWorld LAD This Week

    - by shay.shmeltzer
    If you are attending Oracle OpenWorld/Oracle Develop/JavaOne in Sao Paulo Brazil this week, there are a few sessions dedicated to ADF that you might want to catch,Wed 3:45 S316863 An Introduction to Oracle Application Development Framework Task Flows (Salon 9)Wed 6:00pm An ADF Hands-on Lab: S318563 Oracle Fusion Applications Development Experience: An Oracle ADF Overview (Salon 7)Thu 5:15 S316857  Accelerated Java EE Development: The Oracle Way (Salon 9)And don't forget the JDeveloper booth at the JavaOne Demoground area.See you there.

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  • Database Documentation - Lands of Trolls: Why and How?

    When database documentation is mentioned in an IT Department, everybody nods wisely, yet everyone does their best to avoid doing it. Attention to the database documentation can be the best invertment in time a development group can make. It is essential, and no system can be properly maintained without it. Feodor gives a sensible explanation and guideline for the unloved task of creating database documentation.

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  • ArchBeat Link-o-Rama for August 1, 2013

    - by OTN ArchBeat
    Performance Tuning – Systems Running BPEL Processes | Ravi Saraswathi and Jaswant Sing Ravi Saraswathi and Jaswant Singh, the authors of "Oracle SOA BPEL Process Manager 11gR1 - A Hands-on Tutorial" explain performance tuning of SOA composite applications for optimal performance and scalability. Steps to configure SAML 2.0 with Weblogic Server | Puneeth The blogger known only as Punteeth shares an illustrated technical post that will be of interest to those working with Oracle WebLogic and the Security Assertion Markup Language (SAML). Video: Planning and Getting Started - Developer PCs | Chris Muir Tune in to the latest episode of ADF Architecture TV to see Chris Muir explain why you don't have to buy the most expensive PCs in order to run JDeveloper. Key User Experience Design Principles for working with Big Data | John Fuller User Experience Designer John Fuller shares 6 core design principles for working with big data that focus on "helping people bring together a variety of data types in a fast and flexible way." Event: OTN Developer Day: ADF Mobile - Burlington, MA - Aug 28 Through six sessions, including a hands-on workshop, you'll learn a simpler way to leverage your existing skills to develop enterprise mobile applications using Oracle ADF Mobile. Registration is free, but seating is limited. Optimizing WebCenter Portal Mobile Delivery | Jeevan Joseph FMW solution architect Jeevan Joseph "walks you through identifying and analyzing some common WebCenter Portal performance bottlenecks related to page weight and describes a generic approach that can streamline your portal while improving the performance and response times." Customizing specific instances of a WebCenter task flow | Jeevan Joseph Fusion Middleware A-Team solution architect Jeevan Joseph strikes again with this article that explains "how to set up parameters on MDS customization so that it is applied only under certain conditions...making it possible to customize individual instances of task flows." Exalogic Virtual Tea Break Snippets – Modifying Memory, CPU and Storage on a vServer | Andrew Hopkinson FMW solution architect Andrew Hopkinson walks you through "the simple process of resizing the resources associated with an already existing Exalogic vServer." Oracle ADF Mobile Virtual Developer Day - Next Week | Shay Shmeltzer JDeveloper product team lead Shay Schmeltzer shares agenda information for the OTN Virtual Developer Day event covering Mobile Application Development for iOS and Android, coming up one week from today, on August 7, 2013, 9am PT/Noon ET/1pm BRT. What's New In Oracle Enterprise Pack for Eclipse 12.1.2.1.0? New features and updates on the newly-released Oracle Enterprise Pack for Eclipse 12.1.2.1.0, now available for download from OTN. IOUG Cloud Builders Unite | Jeff Erickson Check out this great Oracle Magazine article by Jeff Erickson about IOUG members organizing around their common interest in building private clouds. Thought for the Day "Stuff that's hidden and murky and ambiguous is scary because you don't know what it does." — Jerry Garcia (August 1, 1942 – August 9, 1995) Source: brainyquote.com

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  • Link Building - Is it Still King?

    Link Building is one of those things every webmaster or internet marketer needs to do. It's an on going task but as the article will explain not all links are equal and the search engine much prefer Quality over Quantity. So before you continue building back links to your sites have a read of these points and save more time, effort and cash.

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  • Use BGInfo to Build a Database of System Information of Your Network Computers

    - by Sysadmin Geek
    One of the more popular tools of the Sysinternals suite among system administrators is BGInfo which tacks real-time system information to your desktop wallpaper when you first login. For obvious reasons, having information such as system memory, available hard drive space and system up time (among others) right in front of you is very convenient when you are managing several systems. A little known feature about this handy utility is the ability to have system information automatically saved to a SQL database or some other data file. With a few minutes of setup work you can easily configure BGInfo to record system information of all your network computers in a centralized storage location. You can then use this data to monitor or report on these systems however you see fit. BGInfo Setup If you are familiar with BGInfo, you can skip this section. However, if you have never used this tool, it takes just a few minutes to setup in order to capture the data you are looking for. When you first open BGInfo, a timer will be counting down in the upper right corner. Click the countdown button to keep the interface up so we can edit the settings. Now edit the information you want to capture from the available fields on the right. Since all the output will be redirected to a central location, don’t worry about configuring the layout or formatting. Configuring the Storage Database BGInfo supports the ability to store information in several database formats: SQL Server Database, Access Database, Excel and Text File. To configure this option, open File > Database. Using a Text File The simplest, and perhaps most practical, option is to store the BGInfo data in a comma separated text file. This format allows for the file to be opened in Excel or imported into a database. To use a text file or any other file system type (Excel or MS Access), simply provide the UNC to the respective file. The account running the task to write to this file will need read/write access to both the share and NTFS file permissions. When using a text file, the only option is to have BGInfo create a new entry each time the capture process is run which will add a new line to the respective CSV text file. Using a SQL Database If you prefer to have the data dropped straight into a SQL Server database, BGInfo support this as well. This requires a bit of additional configuration, but overall it is very easy. The first step is to create a database where the information will be stored. Additionally, you will want to create a user account to fill data into this table (and this table only). For your convenience, this script creates a new database and user account (run this as Administrator on your SQL Server machine): @SET Server=%ComputerName%.@SET Database=BGInfo@SET UserName=BGInfo@SET Password=passwordSQLCMD -S “%Server%” -E -Q “Create Database [%Database%]“SQLCMD -S “%Server%” -E -Q “Create Login [%UserName%] With Password=N’%Password%’, DEFAULT_DATABASE=[%Database%], CHECK_EXPIRATION=OFF, CHECK_POLICY=OFF”SQLCMD -S “%Server%” -E -d “%Database%” -Q “Create User [%UserName%] For Login [%UserName%]“SQLCMD -S “%Server%” -E -d “%Database%” -Q “EXEC sp_addrolemember N’db_owner’, N’%UserName%’” Note the SQL user account must have ‘db_owner’ permissions on the database in order for BGInfo to work correctly. This is why you should have a SQL user account specifically for this database. Next, configure BGInfo to connect to this database by clicking on the SQL button. Fill out the connection properties according to your database settings. Select the option of whether or not to only have one entry per computer or keep a history of each system. The data will then be dropped directly into a table named “BGInfoTable” in the respective database.   Configure User Desktop Options While the primary function of BGInfo is to alter the user’s desktop by adding system info as part of the wallpaper, for our use here we want to leave the user’s wallpaper alone so this process runs without altering any of the user’s settings. Click the Desktops button. Configure the Wallpaper modifications to not alter anything.   Preparing the Deployment Now we are all set for deploying the configuration to the individual machines so we can start capturing the system data. If you have not done so already, click the Apply button to create the first entry in your data repository. If all is configured correctly, you should be able to open your data file or database and see the entry for the respective machine. Now click the File > Save As menu option and save the configuration as “BGInfoCapture.bgi”.   Deploying to Client Machines Deployment to the respective client machines is pretty straightforward. No installation is required as you just need to copy the BGInfo.exe and the BGInfoCapture.bgi to each machine and place them in the same directory. Once in place, just run the command: BGInfo.exe BGInfoCapture.bgi /Timer:0 /Silent /NoLicPrompt Of course, you probably want to schedule the capture process to run on a schedule. This command creates a Scheduled Task to run the capture process at 8 AM every morning and assumes you copied the required files to the root of your C drive: SCHTASKS /Create /SC DAILY /ST 08:00 /TN “System Info” /TR “C:\BGInfo.exe C:\BGInfoCapture.bgi /Timer:0 /Silent /NoLicPrompt” Adjust as needed, but the end result is the scheduled task command should look something like this:   Download BGInfo from Sysinternals Latest Features How-To Geek ETC How To Create Your Own Custom ASCII Art from Any Image How To Process Camera Raw Without Paying for Adobe Photoshop How Do You Block Annoying Text Message (SMS) Spam? How to Use and Master the Notoriously Difficult Pen Tool in Photoshop HTG Explains: What Are the Differences Between All Those Audio Formats? How To Use Layer Masks and Vector Masks to Remove Complex Backgrounds in Photoshop Bring Summer Back to Your Desktop with the LandscapeTheme for Chrome and Iron The Prospector – Home Dash Extension Creates a Whole New Browsing Experience in Firefox KinEmote Links Kinect to Windows Why Nobody Reads Web Site Privacy Policies [Infographic] Asian Temple in the Snow Wallpaper 10 Weird Gaming Records from the Guinness Book

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  • Copy website content from WebsiteA.com/file.html to WebsiteB/file.com every time interval

    - by Jimbo Mombasa
    I want to copy a website from http://stats.pingdom.com/file... to http://mywebsite.com/file every 10 min. Then with purple-include I want to do a transclusion and display it on http://mywebsite.com/page.html So the task is download http://stats.pingdom.com/file to http://mywebsite.com/file I figured out the transclusion part but I do not know how to copy a wabpage from A to B. Are there any script for this or how can I do this?

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  • WebCenter Spaces 11g PS2 Template Customization

    - by javier.ductor(at)oracle.com
    Recently, we have been involved in a WebCenter Spaces customization project. Customer sent us a prototype website in HTML, and we had to transform Spaces to set the same look&feel as in the prototype.Protoype:First of all, we downloaded a Virtual Machine with WebCenter Spaces 11g PS2, same version as customer's. The next step was to download ExtendWebCenterSpaces application. This is a webcenter application that customizes several elements of WebCenter Spaces: templates, skins, landing page, etc. jDeveloper configuration is needed, we followed steps described in Extended Guide, this blog was helpful too. . After that, we deployed the application using WebLogic console, we created a new group space and assigned the ExtendedWebCenterSpaces template (portalCentricSiteTemplate) to it. The result was this:As you may see there is a big difference with the prototype, which meant a lot of work to do from our side.So we needed to create a new Spaces template with its skin.Using jDeveloper, we created a new template based on the default template. We removed all menus we did not need and inserted 'include'  tags for header, breadcrumb and footers. Each of these elements was defined in an isolated jspx file.In the beginning, we faced a problem: we had to add code from prototype (in plain HTML) to jspx templates (JSF language). We managed to workaround this issue using 'verbatim' tags with 'CDATA' surrounding HTML code in header, breadcrumb and footers.Once the template was modified, we added css styles to the default skin. So we had some styles from portalCentricSiteTemplate plus styles from customer's prototype.Then, we re-deployed the application, assigned this template to a new group space and checked the result. After testing, we usually found issues, so we had to do some modifications in the application, then it was necessary to re-deploy the application and restart Spaces server. Due to this fact, the testing process takes quite a bit of time.Added to the template and skin customization, we also customized the Landing Page using this application and Members task flow using another application: SpacesTaskflowCustomizationApplication. I will talk about this task flow customization in a future entry.After some issues and workarounds, eventually we managed to get this look&feel in Spaces:P.S. In this customization I was working with Francisco Vega and Jose Antonio Labrada, consultants from Oracle Malaga International Consulting Centre.

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  • XNA extending an existing Content type

    - by Maarten
    We are doing a game in XNA that reacts to music. We need to do some offline processing of the music data and therefore we need a custom type containing the Song and some additional data: // Project AudioGameLibrary namespace AudioGameLibrary { public class GameTrack { public Song Song; public string Extra; } } We've added a Content Pipeline extension: // Project GameTrackProcessor namespace GameTrackProcessor { [ContentSerializerRuntimeType("AudioGameLibrary.GameTrack, AudioGameLibrary")] public class GameTrackContent { public SongContent SongContent; public string Extra; } [ContentProcessor(DisplayName = "GameTrack Processor")] public class GameTrackProcessor : ContentProcessor<AudioContent, GameTrackContent> { public GameTrackProcessor(){} public override GameTrackContent Process(AudioContent input, ContentProcessorContext context) { return new GameTrackContent() { SongContent = new SongProcessor().Process(input, context), Extra = "Some extra data" // Here we can do our processing on 'input' }; } } } Both the Library and the Pipeline extension are added to the Game Solution and references are also added. When trying to use this extension to load "gametrack.mp3" we run into problems however: // Project AudioGame protected override void LoadContent() { AudioGameLibrary.GameTrack gameTrack = Content.Load<AudioGameLibrary.GameTrack>("gametrack"); MediaPlayer.Play(gameTrack.Song); } The error message: Error loading "gametrack". File contains Microsoft.Xna.Framework.Media.Song but trying to load as AudioGameLibrary.GameTrack. AudioGame contains references to both AudioGameLibrary and GameTrackProcessor. Are we maybe missing other references? EDIT Selecting the correct content processor helped, it loads the audio file correctly. However, when I try to process some data, e.g: public override GameTrackContent Process(AudioContent input, ContentProcessorContext context) { int count = input.Data.Count; // With this commented out it works fine return new GameTrackContent() { SongContent = new SongProcessor().Process(input, context) }; } It crashes with the following error: Managed Debugging Assistant 'PInvokeStackImbalance' has detected a problem in 'C:\Users\Maarten\Documents\Visual Studio 2010\Projects\AudioGame\DebugPipeline\bin\Debug\DebugPipeline.exe'. Additional Information: A call to PInvoke function 'Microsoft.Xna.Framework.Content.Pipeline!Microsoft.Xna.Framework.Content.Pipeline.UnsafeNativeMethods+AudioHelper::OpenAudioFile' has unbalanced the stack. This is likely because the managed PInvoke signature does not match the unmanaged target signature. Check that the calling convention and parameters of the PInvoke signature match the target unmanaged signature. Information from logger right before crash: Using "BuildContent" task from assembly "Microsoft.Xna.Framework.Content.Pipel ine, Version=4.0.0.0, Culture=neutral, PublicKeyToken=842cf8be1de50553". Task "BuildContent" Building gametrack.mp3 -> bin\x86\Debug\Content\gametrack.xnb Rebuilding because asset is new Importing gametrack.mp3 with Microsoft.Xna.Framework.Content.Pipeline.Mp3Imp orter Im experiencing exactly this: http://forums.create.msdn.com/forums/t/75996.aspx

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  • Rails: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'

    - by misbehavens
    So I've got a Ruby on Rails application that I am trying to run (in development) on Snow Leopard. I've got it working on my Ubuntu computer, but now I need to get my Snow Leopard environment set up. Originally, I installed the MySQL 2.8.1 Ruby Gem and was running into this issue: uninitialized constant MysqlCompat::MysqlRes But thanks to this tutorial I was able to resolve it by running this command and installing a previous version of the Gem: export ARCHFLAGS="-arch i386 -arch x86_64" ;sudo gem install --no-rdoc --no-ri -v=2.7 mysql -- --with-mysql-dir=/usr/local/mysql --with-mysql-config=/usr/local/mysql/bin/mysql_config Now that I've resolved that issue, I'm running into a different error: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' This happens when I try to run rake db:migrate as well as when the server is running. How can I resolve this issue?

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  • mysql service do not launch

    - by ted
    Sorry for my English; I was trying to create db with rake in RoR application that has been configured for MySQL(gem installed, settings changed). After that attempt mysql-server broke: d@calister:~$ mysql ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) mysqld is not running at all: d@calister:~$ ps aux | grep mysql d 3769 0.0 0.0 4368 832 pts/0 S+ 18:03 0:00 grep --color=auto mysql And also it doesn't seem it would like to run: d@calister:~$ sudo service mysql start start: Job failed to start Any suggestions? Thanks EDIT: d@calister:~$ sudo -u mysql mysqld 120520 18:45:11 [Note] Plugin 'FEDERATED' is disabled. mysqld: Table 'mysql.plugin' doesn't exist 120520 18:45:11 [ERROR] Can't open the mysql.plugin table. Please run mysql_upgrade to create it. 120520 18:45:11 InnoDB: The InnoDB memory heap is disabled 120520 18:45:11 InnoDB: Mutexes and rw_locks use GCC atomic builtins 120520 18:45:11 InnoDB: Compressed tables use zlib 1.2.3.4 120520 18:45:11 InnoDB: Initializing buffer pool, size = 128.0M 120520 18:45:11 InnoDB: Completed initialization of buffer pool 120520 18:45:11 InnoDB: highest supported file format is Barracuda. 120520 18:45:12 InnoDB: Waiting for the background threads to start 120520 18:45:13 InnoDB: 1.1.8 started; log sequence number 1589459 120520 18:45:13 [ERROR] Fatal error: Can't open and lock privilege tables: Table 'mysql.host' doesn't exist

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