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  • The Chemistry of Snowflakes [Video]

    - by Jason Fitzpatrick
    Snowflakes start out as tiny bits of dust high in the atmosphere and end up drifting down to us as intricate water crystals. Check out this video to see the process start to finish. Courtesy of the American Chemical Society and Bytesize Science, we’re treated to a well explained and illustrated journey from the beginning of the snowflake formation process until the end. [via Neatorama] How to Access Your Router If You Forget the Password Secure Yourself by Using Two-Step Verification on These 16 Web Services How to Fix a Stuck Pixel on an LCD Monitor

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  • Alternatives for 'egrep -o "success|error|fail" <filename> | sort | uniq -c'

    - by Wolfy
    I sometime need to check some logs and I do this with this command: egrep -o "success|error|fail" <filename> | sort | uniq -c Sample input: test error on line 10 test connect success test insert success test started at 00:00 test delete fail Sample output: 1 error 1 fail 2 success I would like to know if someone knows a way to do this with a shorter command? Before you ask why I would like to do this with an different command... No special reason, I'm just curious :)

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  • map data structure in pacman

    - by Sam Fisher
    i am trying to make a pacman game in c# using GDI+, i have done some basic work and i have previously replicated games like copter-it and minesweeper. but i am confused about how do i implement the map in pacman, i mean which datastructure to use, so i can use it for moving AI controlled objects and check collisions with walls. i thought of a 2d array of ints but that didnt make sense to me. looking for some help. thanks.

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  • DWR like .Net Library named PokeIn!

    Check PokeIn for powerfull .Net based DWR like comet support. It's in CodePlex, easy and free to use!...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Exceptional PowerShell DBA Pt 3 - Collation and Fragmentation

    In this final look into his everyday essentials, Laerte Junior provides some useful scripts for the DBA that use an alternative way of error-logging. He shows how to use a PowerShell script to check and, if necessary, to defragment your indexes, write data to a SQL Server table, and change the collation for a table. Being an exceptional DBA just got a little easier.

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  • Object detection in bitmap JavaScript canvas

    - by fallenAngel
    I want to detect clicks on canvas elements which are drawn using paths. So far I have stored element paths in a JavaScript data structure and then check the coordinates of hits which match the element's coordinates. Rendering each element path and checking the hits would be inefficient when there are a lot of elements. I believe there must be an algorithm for this kind of coordinate search, can anyone help me with this?

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  • When SQL Server Nonclustered Indexes Are Faster Than Clustered Indexes

    SQL Server Clustered indexes can have enormous implications for performance of operations on a table. But are there times when a SQL Server non-clustered index would perform better than a clustered index for the same operation? Are there any trade-offs to consider? Check out this tip to learn more. Deployment Manager 2 is now free!The new version includes tons of new features and we've launched a completely free Starter Edition! Get Deployment Manager here

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  • How can I Fix the CD/DVD refresh for the media drive so that it is recognized automatically?

    - by Denja
    Hello Community, I have recently installed Ubuntu 10.10 and it seems to work flawlessly. But today I tried to check some CDs and I was surprised that Ubuntu doesn't automatically refresh the CD/DVDs inserted in my media drive. I had to eject manually the CD/DVD from Ubuntu and then Insert the new CD and only then Ubuntu reads the data in the newly inserted CD/DVD. How can I fix the CD/DVD refresh for the media drive so that Ubuntu 10.10 recognize it automatically?

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  • Calling functions from different classes

    - by A Ron Hubbard Clevenger
    I'm writing a program and I'm supposed to check and see if a certain object is in the list before I call it. I set up the contains() method which is supposed to use the equals() method of the Comparable interface I implemented on my Golfer class but it doesn't seem to call it (I put print statements in to check). I can't seem to figure out whats wrong with the code, the ArrayUnsortedList class I'm using to go through the list even uses the correct toString() method I defined in my Golfer class but for some reason it won't use the equals() method I implemented. //From "GolfApp.java" public class GolfApp{ ListInterface <Golfer>golfers = new ArraySortedList<Golfer> (20); Golfer golfer; //..*snip*.. if(this.golfers.contains(new Golfer(name,score))) System.out.println("The list already contains this golfer"); else{ this.golfers.add(this.golfer = new Golfer(name,score)); System.out.println("This golfer is already on the list"); } //From "ArrayUnsortedList.java" protected void find(T target){ location = 0; found = false; while (location < numElements){ if (list[location].equals(target)) //Where I think the problem is { found = true; return; } else location++; } } public boolean contains(T element){ find(element); return found; } //From "Golfer.java" public class Golfer implements Comparable<Golfer>{ //..irrelavant code sniped..// public boolean equals(Golfer golfer) { String thisString = score + ":" + name; String otherString = golfer.getScore() + ":" + golfer.getName() ; System.out.println("Golfer.equals() has bee called"); return thisString.equalsIgnoreCase(otherString); } public String toString() { return (score + ":" + name); } My main problem seems to be getting the find function of the ArrayUnsortedList to call my equals function in the find() part of the List but I'm not exactly sure why, like I said when I have it printed out it works with the toString() method I implemented perfectly. I'm almost positive the problem has to do with the find() function in the ArraySortedList not calling my equals() method. I tried using some other functions that relied on the find() method and got the same results.

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  • Is there any web application to manage people doing Link Building? [closed]

    - by Alexandru Trandafir Catalin
    I am doing SEO for a website and collaborating with 4-5 people that are working on Link Building for my keywords. I was wondering if there is any application similar to a project management tool but oriented to SEO, Link building, Content writing. This application would allow you to set tasks and your collaborators will update with the links they add in a spreadsheet format so you can later check how many liks have been added for each of your keywords, on wich websites, and how efective is the collaborator.

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  • No internet access when I'm connect to my company's VPN

    - by Iago
    I googled my problem and I've read some questions in Ask Ubuntu, but I didn't solve my problem. I connect to a PPTP VPN server and it works well, but when I'm connected to that VPN I don't have Internet access but private network access. If I check "Use this connection only for resources on its network", I have Internet access, but this way I haven't access to my company's private network. What's the problem? Help, please.

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  • Leverage technology to support your Global Talent Strategy

    - by Nancy Estell Zoder
    Do you want to hear the latest on global organizations and how they are adapting their talent and technology strategies to align with market trends? Watch Deloitte in partnership with Oracle present these trends. Learn how organizations are leveraging technology to support the changes that are being made in Human Resources to adapt in this integrated environment. For the latest on PeopleSoft, check out the video demonstrations on YouTube.

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  • Windows Phone 7 + Azure.and a couple of nuggets

    I recently gave a talk about Windows Phone 7 at a Bizpark Camp in San Francisco.  The camp had two focuses: Azure and Windows Phone 7.  My presentation covered WP7 portion of the camp.  During my presentation I highlighted the phone platform and talked about some of the differentiators from design, technology and a business standpoint.    Whenever I watch presentations or go to tech meet-ups I feel like I get the most value when I can walk away with a few nuggets that I wouldnt necessarily have known about otherwise.  That said, I tried to add a few resources into my presentation that should be helpful when building WP7 apps.      Nuggets Seeing that the camp was focused on Azure and WP7 I decided to augment my presentation with a code sample.  The intention was to give some insight on how to approach building WP7 applications that talk to Azure.  Some colleges of mine here at Clarity have posted a sample on codeplex focused on getting up and running with WP7 and Azure..you can check it out HERE.   The project is not a hello world app, and is targeted at people who have some experience with the platform and a working knowledge of silverlight. Also, during my presentation I mentioned some limitations with the current phone sdk.  Our sample code on contains work-abounds for the following: #1 Panorama Control #2  Tilt effect #3   Animating Frame #4   Sample architecture (leveraging MVVM light)  and coding patterns.  Note: For the sample phone project we used an azure token that will expire in the next couple of months.  When that happensin the downloads section of the codeplex project there a link to a local development fabric that can be used for local development Presentation Admittedly, the slide deck is pretty design heavy, and doesnt contain much text.  This was semi-intentional to encourage people to come out to the camps and hear it first hand.  There is some additional info found the notes of the PPTX.  Dont forget to check out the full presentation at the Chicago Bizspark Camp on May 21st here at the Clarity Office.  Or on June 4th in  Los Angeles. You can DOWNLOAD the Slides here:  PPTX  |  PDF or view it inline below.  View more presentations from eklimcz. Cheers! Erik Klimczak  | [email protected] | twitter.com/eklimczDid you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Windows Phone 7 + Azure.and a couple of nuggets

    I recently gave a talk about Windows Phone 7 at a Bizpark Camp in San Francisco.  The camp had two focuses: Azure and Windows Phone 7.  My presentation covered WP7 portion of the camp.  During my presentation I highlighted the phone platform and talked about some of the differentiators from design, technology and a business standpoint.    Whenever I watch presentations or go to tech meet-ups I feel like I get the most value when I can walk away with a few nuggets that I wouldnt necessarily have known about otherwise.  That said, I tried to add a few resources into my presentation that should be helpful when building WP7 apps.      Nuggets Seeing that the camp was focused on Azure and WP7 I decided to augment my presentation with a code sample.  The intention was to give some insight on how to approach building WP7 applications that talk to Azure.  Some colleges of mine here at Clarity have posted a sample on codeplex focused on getting up and running with WP7 and Azure..you can check it out HERE.   The project is not a hello world app, and is targeted at people who have some experience with the platform and a working knowledge of silverlight. Also, during my presentation I mentioned some limitations with the current phone sdk.  Our sample code on contains work-abounds for the following: #1 Panorama Control #2  Tilt effect #3   Animating Frame #4   Sample architecture (leveraging MVVM light)  and coding patterns.  Note: For the sample phone project we used an azure token that will expire in the next couple of months.  When that happensin the downloads section of the codeplex project there a link to a local development fabric that can be used for local development Presentation Admittedly, the slide deck is pretty design heavy, and doesnt contain much text.  This was semi-intentional to encourage people to come out to the camps and hear it first hand.  There is some additional info found the notes of the PPTX.  Dont forget to check out the full presentation at the Chicago Bizspark Camp on May 21st here at the Clarity Office.  Or on June 4th in  Los Angeles. You can DOWNLOAD the Slides here:  PPTX  |  PDF or view it inline below.  View more presentations from eklimcz. Cheers! Erik Klimczak  | [email protected] | twitter.com/eklimczDid you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • SQLServerCentral Best Practices Clinic: Part 4

    In this next installment looking at implementing best practices here at SQLServerCentral, Brad McGehee looks at a few performance counters and what they tell us about the performance of our database server. The Future of SQL Server Monitoring "Being web-based, SQL Monitor enables you to check on your servers from almost any location" Jonathan Allen.Try SQL Monitor now.

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  • Why Real Web Developers Don't Use DreamWeaver

    We know there are Web Designers and there are Web Developers, and that they are very different animals altogether (check out our article on the difference between Web Designers and Web Developers), but they both, naturally, have a pride in what they do. A Web Developer derives his or her pride from staying on concept and delivering a website which performs as quickly as it possibly can. It's in the developers interest to make sure the pages s/he develops use as little of the resources available as possible.

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  • SilverlightShow for November 14 - 20, 2011

    - by Dave Campbell
    Check out the Top Five most popular news at SilverlightShow for SilverlightShow Top 5 News for November 14 - 20, 2011. Here are the top 5 news on SilverlightShow for last week: Why Adobe had to Kill Flash Player for Mobile; and Silverlight, Flex, HTML5 parallels PhoneGap on Windows Phone Tips 10 tips about porting Silverlight apps to WinRT/Metro style apps (Part 1) Microsoft reportedly rolling out 7740 OS update for Windows Phone The WinRT Genome Project Visit and bookmark SilverlightShow. Stay in the 'Light 

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  • 10 Great Linux Apps You Might Not Have Discovered Yet

    <b>Linux Planet:</b> "The world of Linux applications continues to expand and improve, so check out Eric Geier's roundup of ten great Linux applications you might not have discovered yet: media players, Web page designer, video creation, run Linux on Windows, Windows apps on Linux, and more."

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  • OBIEE 11.1.1.5.0 Bundle Patch 2 is available

    - by mshahi
    Oracle BI EE 11.1.1.5.0 Bundle Patch 2 is available. The Patch number is 13611078 and it can be downloaded from Oracle Support (you can download it without password). This patch currently is available on Microsoft Windows x64 (64 bit), Linux x86 - 64 bit, IBM AIX on Power System (64 bit) and Oracle Solaris Sparc (64 bit). Remaining four platforms Win32, Linux32, HP-Itanium, and Solaris x86-64 are expected 3-4 weeks later. This Patch has thoroughly been tested and signed off by BI QA Team.  Important things to know: 1. All the customers are advised to apply this patch as it contains around 248 bug fixes. Please read the README file for all the bug fixes contained in this patch.   2. This patch can be applied via opatch. Please follow the standard process of applying this patch using opatch, i.e. stop all BI System processes via opmnctl, Stop WLS Managed and Admin Servers, Apply Patch, Start WLS Admin and Managed Servers, Check if all the J2EE applications are running fine, Start all BI System Processes via opmnctl command, and verify your fixes. It is advised to test this patch on Non Productions Instances first, run all the required tests / regressions and then move it to Production.    3. This Bundle Patch is cumulative to 11.1.1.5.0 BP1 (13562882) which was released in January 2012 on Linux x86 - 64 bit which contained around 64 bug fixes. Customers who have applied 11.1.1.5.0 BP1, will get expected OPatch conflict message, they can safely roll back BP1 prior to installing this BP2 or let opatch roll back BP1 during its application process.   4. Customer who have applied some one off patches and these one off patches are also part of 11.1.1.5.0 BP2, they can also roll back their existing one off patches after confirming that their fixes are part of BP2.    5. This Bundle Patch is not cumulative on top of 11.1.1.5.0, meaning this bundle patch does not contain all the one off fixes that were delivered on top of 11.1.1.5.0. All the remaining one off fixes delivered so far, will be available in next scheduled bundle patch i.e. 11.1.1.5.0 BP3. Please check the README file and let support know if your existing fixes are not part of BP2, so that support can open One Off Backport (OOB) request to have them included in next patch i.e. BP3.   6. 11.1.1.5.0 BP3 is in planning stages, and dates for it's availability will be announced in next couple of weeks.

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  • SQL Server v.Next (Denali) : Metadata enhancements

    - by AaronBertrand
    In my previous job, we had several cases where schema changes or incorrect developer assumptions in the middle tier or application logic would lead to type mismatches. We would have a stored procedure that returns a BIT column, but then change the procedure to have something like CASE WHEN <condition> THEN 1 ELSE 0 END. In this case SQL Server would return an INT as a catch-all, and if .NET was expecting a boolean, BOOM. Wouldn't it be nice if the application could check the result set of the...(read more)

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  • Stairway to XML: Level 5 - The XML exist() and nodes() Methods

    The XML exist() method is used, often in a WHERE clause, to check the existence of an element within an XML document or fragment. The nodes() method lets you shred an XML instance and return the information as relational data. 12 essential tools for database professionalsThe SQL Developer Bundle contains 12 tools designed with the SQL Server developer and DBA in mind. Try it now.

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  • Conflict between Change Control and ASL Mapping

    - by Jie Chen
    Yesterday I got one strange report that on Agile 9.3.1.2, adding a Supplier into Item's Supplier tab will always remove all the data from Item.PageTwo.MultiList01 field which is assigned to a User Group list. The detailed problem description is like below. In JavaClient, MultiList01 attribute on Parts class's PageTwo tab is enabled and assigned with User Group list. On WebClient, user created a new Part and assign MultiList01 with two UserGroups: "Global User Group Test1" and "Personal Group_Test1". Then go to Suppliers tab to add three Suppliers. Switch back to Part's TitleBlock, will see MultiList01 loses the User Group data. To confirm if MultiList01 really loses the data or it saves with other wrong data, I need to check the database and find strange data that MultiList01 saves wrong data ",7976911,7976907,7976959,", which are exactly the ID of these three Suppliers. Then I can suspect the Supplier attribute on Suppliers tab must be mapped to MultiList01. However when I check Supplier in JavaClient, the "ASL mapped to" is blank. More interesting thing is the database clearly shows Supplier attribute (Base ID =2000004219) is mapped to 2090, which is PageTwo.MultiList01 Base ID. Till now, we can get a conclusion that Supplier data is really mapped to MultiList01, though we assign MultiList01 to User Group list and Supplier does not set "ASL mapped to". It must be another function which overrides "ASL mapped to" visibility in JavaClient with high priority. That is the "Change Controlled" function. We immediately see "ASL mapped to" with value "MultiList01" when we disable Change Controlled for Multilist01 If one attribute is Change Controlled, Supplier data cannot be mapped to this attribute theoretically because Supplier could be dynamically modified by users, not by Changes. In real situation of Agile 9.3.1.2, it could be a Code Defect. We can imagine the scenario customer met. He setup Parts.PageTwo.Multilist01 assigned with Supplier list, then in Parts.Suppliers.Supplier attribute, he set "ASL mapped to" to "Multilist01". Later company business is changed, so he set Multilist01 with Change Controlled and re-assign with User Group list. He forgot to remove "ASL mapped to" before he did modifications to Multilist01. Finally we know the solution, it depends on real business. If still need to mapping Supplier to Parts.PageTwo attribute, should modify "ASL mapped to" to other one attribute which already has assigned with Suppliers list. If do not need "ASL mapped to" function, should delete the data from database level. We cannot do it from JavaClient UI. delete propertytable where id in (select p.id from propertytable p, nodetable n where p.parentid =n.id and n.inherit=2000004219 and propertyid=794)

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  • Oracle Policy Automation YouTube Videos

    - by Wes Curtis
    The Oracle PSRM integration with Oracle Policy Automation provides a great option for implementing business rules as Microsoft Word and Excel documents. The following YouTube site includes a large number of videos on various OPA topics including feature introductions, tutorials and overview presentations. Be sure to check these out if you would like to learn more about OPA and it's capabilities. http://www.youtube.com/user/OraclePAVideos

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  • JavaOne Latin America 2011: Keynotes, Sessions, Hands-on Lab, Geek Bike Ride, etc.

    - by arungupta
    After a very successful JavaOne San Francisco, the first JavaOne on the road for 2011 is heading to Latin America next week. There are 59 sessions delivered by several rock star speakers and with 60% sessions delivered by the local community. There are strategy, technical and community keynotes. The community keynote on Thursday will particularly be lot of fun with appearances from Java Champions, JUG leaders, jHome, and several others. Also check out the Exhibitor Floor Plan and don't forget to Register! The complete session schedule gives an overview for the list of technical sessions and hands-on lab. There are several Java EE, GlassFish, and WebLogic sessions and are highlighted below: Tuesday, Dec 6 Oracle WebLogic Server XML-Free Programming: Java Server and Client Development without <> Java EE Application in Production: Tips and Tricks to achieve zero downtime Web Applications and Wicket Scala on GlassFish and Java EE 6 REST and Java best practices, issues and solutions for the Enterprise Building a RESTful Web Application with JAX-RS and Ext JS 4 Wednesday, Dec 7 Oracle GlassFish Server in the Virtual World JAX-RS 2.0: What's in JSR 339 ? JSF 343: What's coming in Java Message Service 2.0 ? The Great News of JSF 2.0! Thursday, Dec 8 Servlet 3.1 Update Develop, Deploy, and Monitor a Java EE 6 Application with Clustered GlassFish 3.1 Migrating from EJB/SOAP to REST with JAX-RS: The Case of the Central Bank of Brazil GlassFish REST Administration Back End: An Insider look at a real REST Application Scripting and Agile Java EE Applications with Jython And this is Brazil so a fun element is important. There are the usual Caiprihinas, Churrascaria, late night social dinners, community engagement, and multiple other fun activities. Fabiane Nardon and SOUJava gang are also organizing a Geek Bike Ride on the Sunday (Dec 4th) before JavaOne. The 20k ride (map) starts at 7am and goes through the streets of Sao Paulo. This is an opportunity to meet some of the JavaOne speakers and attendees outside the conference. They've even designed a t-shirt and 32 geeks have signed up so far. I'm glad my discussion with Fabiane during FISL early this year for arranging this bike ride is finally taking shape! I'm definitely looking forward to it and will be bringing nice fruity Odwalla bars for all the riders. Be there to ride with me and many others :-) Stay updated by following @oracledobrasil and @javaoneconf. I'll be there, will you ? Don't wait and register now! And in case you are interested in reading about the experience from last year ... it was lot of fun! Just check out a collage of pictures yourself ... And the complete album at:

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