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  • How do I add a function to a specific element type in jQuery?

    - by Chad Johnson
    I can do this jQuery.fn.validate = function(options) { var defaults = { validateOPtions1 : '', validateOPtions2 : '' }; var settings = $.extend({}, defaults, options); return this.each(function() { // you validation code goes here }); }; but that will make validate() available for every element. I could do this to any element: $('some selector').validate(). Is there a way I can make this only available to, say, form elements? eg. $('.mySpecialFormClass').validate()?

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  • Cache an FTP connection for use via AJAX?

    - by Chad Johnson
    I'm working on a Ruby web Application that uses the Net::FTP library. One part of it allows users to interact with an FTP site via AJAX. When the user does something, and AJAX call is made, and then Ruby reconnects to the FTP server, performs an action, and outputs information. Every time the AJAX call is made, Ruby has to reconnect to the FTP server, and that's slow. Is there a way I could cache this FTP connection? I've tried caching in the session hash, but "We're sorry, but something went wrong" is displayed, and a TCP dump is outputted in my logs whenever I attempt to store it in the session hash. I haven't tried memcache yet. Any suggestions?

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  • How do I add a function to an element via jQuery?

    - by Chad Johnson
    I want to do something like this: $('.dynamicHtmlForm').validate = function() { return true; } $('.dynamicHtmlForm .saveButton').click(function() { if (!$(this).closest('.dynamicHtmlForm').validate()) { return false; } return true; }); And then when I have a form of class dynamicHtmlForm, I want to be able to provide a custom validate() function: $('#myDynamicHtmlForm').validate = function() { // do some validation if (there are errors) { return false; } return true; } But I get this when I do this: $(this).closest(".dynamicHtmlForm").validate is not a function Is what I've described even possible? If so, what am I doing wrong?

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  • Why must I use local path rather than 'svn://' with SVN bindings?

    - by Chad Johnson
    I'm using the Ruby SVN bindings built with SWIG. Here's a little tutorial. When I do this @repository = Svn::Repos.open('/path/to/repository') I can access the repository fine. But when I do this @repository = Svn::Repos.open('svn://localhost/some/path') It fails with /SourceCache/subversion/subversion-35/subversion/subversion/libsvn_subr/io.c:2710: 2: Can't open file 'svn://localhost/format': No such file or directory When I do this from the command line, I do get output svn ls svn://localhost/some/path Any ideas why I can't use the svn:// protocol?

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  • Not Equal two Generic Lists

    - by David Johnson
    I have two generic lists, both containing different data, except 4 fields, which I want to compare to another list and find items that do not match in either list. I need to basically replace where it says equals below, with not equals! var unMatchedData = from liveLines in liveList join oldList in comapreSnapshotList on new {liveLines.ClientNo, liveLines.SequenceNo, liveLines.LineNo, liveLines.Text} equals new {oldList.ClientNo, oldList.SequenceNo, oldList.LineNo, oldList.Text} select new KNOWTXTS { ClientNo = liveLines.ClientNo, SequenceNo = liveLines.SequenceNo, LineNo = liveLines.LineNo, Text = liveLines.Text };

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  • Way to check for foreign key references before deleting in MySQL?

    - by Chad Johnson
    I'm working with a content management system, and users are prompted with a confirmation screen before deleting records. Some records are foreign key referenced in other tables, and therefore they cannot be deleted. I would like to display a message beside a given record if it has foreign key references. To know whether I should display the message for a record, I could just query the referencing table and see if there are references. But the problem is, there are about a dozen tables with records potentially referencing this record, and a lookup could take a "long" time. Is there an easy way to tell whether the record is delete-ready (ie. has no foreign key references)?

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  • IndexedDB and Relationships

    - by Josh Johnson
    Can I create relationships between my object stores in IndexedDB? For example, I have two object stores: artist and album. An artist has a one-to-many relationship with an album. album.artistId relates the album to artist.id. I'm thinking along the lines of Hibernate here. I would like to do a query for artists and have the albums belonging to that artist returned as an array called artists on the album object. artist.albums = [];

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  • Bad idea to force creation of Mercurial remote heads (ie. branches)?

    - by Chad Johnson
    I am developing a centralized web application, and I have a centralized Mercurial repository. Locally I created a branch in my repository hg branch my_branch I then made some changes and committed. Then when I try to push, I get abort: push creates new remote branch 'my_branch'! (did you forget to merge? use push -f to force) I've just been using push -f. Is this bad? I WANT multiple branches in my central, remote repository, as I want to 1) back up my work and 2) allow other developers to develop with me on that branch. Is it bad or something to have branches in my remote repository or something? Should I not be doing push -f (and if not, what should I do?)? Why does Joel say this in his tutorial: Occasionally I've made a change in a branch, pushed, switched to another branch, and changes I had made in that branch I switch to were mysteriously reverted to a previous version from several commits ago. Maybe this is a symptom of forcing a push?

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  • Duplicate array but maintain pointer links

    - by St. John Johnson
    Suppose I have an array of nodes (objects). I need to create a duplicate of this array that I can modify without affecting the source array. But changing the nodes will affect the source nodes. Basically maintaining pointers to the objects instead of duplicating their values. // node(x, y) $array[0] = new node(15, 10); $array[1] = new node(30, -10); $array[2] = new node(-2, 49); // Some sort of copy system $array2 = $array; // Just to show modification to the array doesn't affect the source array array_pop($array2); if (count($array) == count($array2)) echo "Fail"; // Changing the node value should affect the source array $array2[0]->x = 30; if ($array2[0]->x == $array[0]->x) echo "Goal"; What would be the best way to do this?

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  • Count of Sums possibly using group_by

    - by Daniel Johnson
    Say you have a user table and an order table which references user (user has_many orders) and contains an item count field. How could you efficiently ask "how many uses ordered how many items?" That is, to generate something along the lines of: Number of users | sum of items ------------------------------- 5 users | 1 item 4 users | 5 items 1 user | 7 items Thanks in advance.

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  • PDF Converter Elite Giveaway Winners

    - by Gopinath
    On 25th Feb we launched the first ever giveaway of PDF Converter Elite for Tech Dreams viewers and thanks for everyone who participated in the content. We are happy to see good response from our viewers and special thanks to all those who shared our stories on Facebook and Twitter.  Here are the lucky winners Avikchatterjee   (@Indranil49) John Bax      (@JohnB98832757) MohammadWasiullah     (@mohammadwasi786) Salini Banarjee    (facebook profile) Owen     (@owenjrgordon) malkhaz    (@william_of_pale) Sidd         (@siddxxxx) John D    (@djohn300) Ankitr    (Facebook profile) Congratulations to all. Keep an eye on your twitter and facebook accounts, today we are going to send you free licenses.

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  • Silverlight Cream for May 11, 2010 -- #859

    - by Dave Campbell
    In this All Submittal Issue: Colin Eberhardt, Ken Johnson, Alan Beasley, Pencho Popadiyn, Phil Middlemiss, Khawar(-2-), Levente Mihály, Alex van Beek, Bart Czernicki, Michael Washington, and Mark Monster. Shoutout: Not Silverlight necessarily, but definitely VS2010, read what Brett Balmer has to say In Defense of Portrait Mode From SilverlightCream.com: Silverlight MultiBinding solution for Silverlight 4 Colin Eberhardt updated his Silverlight Multibinding solution to Silverlight 4. Great article with explanatory graphics, and links to the code... congrats on the use in the FaceBook Client too! Spirograph Shapes: WPF Bezier shapes from math formulae Wow... I haven't seen this much math since my Master's Thesis! ... Check out all the shapes Ken Johnson has built... don't let the math scare you... just use it :) Busy Dizzy Bee-sley Spirographic Animation in Expression Blend and Silverlight This is just fun... I saw Michael Washington playing with this yesterday at the Arizona Day of .NET but didn't have a chance to ask what it was.. Alan Beasley had a good time building this, and is sharing a very detailed tutorial with us. ModalDialogs, IEditableObject and MVVM in Silverlight 4 Pencho Popadiyn said the 'M' word over at SilverlightShow... actually the 'MVVM' word :) ... he's discussing Modal dialogs with no code in the View ... check out how he did it. A Chrome and Glass Theme - Part 6 Phil Middlemiss is up to episode 6 in his Theme-building tutorial... this time out, he's giving the TabControl and TabItem new clothes ... specifically discussing what to change and what to allow to inherit ... good stuff! Silverlight 4 Fonts gotcha Check out Khawar's ATM Machine demo -- there's a link on the page for this post... he had an issue with fonts, ratted it out, and explains it for all of us... thanks Khawar Demystifying Silverlight Obfuscation Khawar also has a good post up on Obfuscating your Silverlight... definitely showing that it's not all that difficult to do. geoGallery, a WinPhone7 sample OK this is interesting... using the geoLocation feature of WP7, Levente Mihály hits Google Picasa to find pictures... good write-up and all the code. Silverlight 4: Digitally signing a XAP with Visual Studio 2010 Alex van Beek has a nice tutorial on Signing your XAP file using Visual Studio 2010... of course you may want to visit Tim Heuer's blog (search at SC) to find the two good deals on certificates that are still in play. Creating Key Performance Indicators (KPIs) in Expression Blend 4 for Business Intelligence applications In an interesting post, Bart Czernicki describes using the shape assets in Blend 4 to produce a KPI display in Silverlight or WPF. A discussion of the shape's evolution for KPI is included as well as some alternate shape uses. A DotNetNuke Silverlight 4 Drag and Drop File Manager Michael Washington has blogged about his Drag and Drop File Manager using the View Model Style pattern. This is covered in two CodeProject articles listed in the post. The design work was done by Alan Beasely and links to his work is there as well as covered in other SC posts. How to select a ListItem on Hover Mark Monster had a Use Case for Selecting a ListBox entry by hovering ... but he did it with a Behavior and for a ListBox and PathListBox and it works with DataBinding... Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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  • SQL Server, how to join a table in a "rotated" format (returning columns instead of rows)?

    - by Joshua Carmody
    Sorry for the lame title, my descriptive skills are poor today. In a nutshell, I have a query similar to the following: SELECT P.LAST_NAME, P.FIRST_NAME, D.DEMO_GROUP FROM PERSON P JOIN PERSON_DEMOGRAPHIC PD ON PD.PERSON_ID = P.PERSON_ID JOIN DEMOGRAPHIC D ON D.DEMOGRAPHIC_ID = PD.DEMOGRAPHIC_ID This returns output like this: LAST_NAME FIRST_NAME DEMO_GROUP --------------------------------------------- Johnson Bob Male Smith Jane Female Smith Jane Teacher Beeblebrox Zaphod Male Beeblebrox Zaphod Alien Beeblebrox Zaphid Politician I would prefer the output be similar to the following: LAST_NAME FIRST_NAME Male Female Teacher Alien Politician --------------------------------------------------------------------------------------------------------- Johnson Bob 1 0 0 0 0 Smith Jane 0 1 1 0 0 Beeblebrox Zaphod 1 0 0 1 1 The number of rows in the DEMOGRAPHIC table varies, so I can't say with certainty how many columns I need. The query needs to be flexible. Yes, it would be trivial to do this in code. But this query is one piece of a complicated set of stored procedures, views, and reporting services, many of which are outside my sphere of influence. I need to produce this output inside the database to avoid breaking the system. Any ideas? This is MS SQL Server 2005, by the way. Thanks.

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  • finding ALL cycles in a huge sparse matrix

    - by Andy
    Hi there, First of all I'm quite a Java beginner, so I'm not sure if this is even possible! Basically I have a huge (3+million) data source of relational data (i.e. A is friends with B+C+D, B is friends with D+G+Z (but not A - i.e. unmutual) etc.) and I want to find every cycle within this (not necessarily connected) directed graph. I've found this thread (http://stackoverflow.com/questions/546655/finding-all-cycles-in-graph/549402#549402) which has pointed me to Donald Johnson's (elementary) cycle-finding algorithm which, superficially at least, looks like it'll do what I'm after (I'm going to try when I'm back at work on Tuesday - thought it wouldn't hurt to ask in the meanwhile!). I had a quick scan through the code of the Java implementation of Johnson's algorithm (in that thread) and it looks like a matrix of relations is the first step, so I guess my questions are: a) Is Java capable of handling a 3+million*3+million matrix? (was planning on representing A-friends-with-B by a binary sparse matrix) b) Do I need to find every connected subgraph as my first problem, or will cycle-finding algorithms handle disjoint data? c) Is this actually an appropriate solution for the problem? My understanding of "elementary" cycles is that in the graph below, rather than picking out A-B-C-D-E-F it'll pick out A-B-F, B-C-D etc. but that's not the end of the world given the task. E / \ D---F / \ / \ C---B---A d) If necessary, I can simplify the problem by enforcing mutuality in relations - i.e. A-friends-with-B <== B-friends-with-A, and if really necessary I can maybe cut down the data size, but realistically it is always going to be around the 1mil mark. z) Is this a P or NP task?! Am I biting off more than I can chew? Thanks all, any help appreciated! Andy

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  • Creating a multi-column rollover image gallery with HTML 5

    - by nikolaosk
    I know it has been a while since I blogged about HTML 5. I have two posts in this blog about HTML 5. You can find them here and here.I am creating a small content website (only text,images and a contact form) for a friend of mine.He wanted to create a rollover gallery.The whole concept is that we have some small thumbnails on a page, the user hovers over them and they appear enlarged on a designated container/placeholder on a page. I am trying not to use Javascript scripts when I am using effects on a web page and this is what I will be doing in this post.  Well some people will say that HTML 5 is not supported in all browsers. That is true but most of the modern browsers support most of its recommendations. For people who still use IE6 some hacks must be devised.Well to be totally honest I cannot understand why anyone at this day and time is using IE 6.0.That really is beyond me.Well, the point of having a web browser is to be able to ENJOY the great experience that the WE? offers today.  Two very nice sites that show you what features and specifications are implemented by various browsers and their versions are http://caniuse.com/ and http://html5test.com/. At this times Chrome seems to support most of HTML 5 specifications.Another excellent way to find out if the browser supports HTML 5 and CSS 3 features is to use the Javascript lightweight library Modernizr.In this hands-on example I will be using Expression Web 4.0.This application is not a free application. You can use any HTML editor you like.You can use Visual Studio 2012 Express edition. You can download it here. In order to be absolutely clear this is not (and could not be ) a detailed tutorial on HTML 5. There are other great resources for that.Navigate to the excellent interactive tutorials of W3School.Another excellent resource is HTML 5 Doctor.For the people who are not convinced yet that they should invest time and resources on becoming experts on HTML 5 I should point out that HTML 5 websites will be ranked higher than others. Search engines will be able to locate better the content of our site and its relevance/importance since it is using semantic tags. Let's move now to the actual hands-on example. In this case (since I am mad Liverpool supporter) I will create a rollover image gallery of Liverpool F.C legends. I create a folder in my desktop. I name it Liverpool Gallery.Then I create two subfolders in it, large-images (I place the large images in there) and thumbs (I place the small images in there).Then I create an empty .html file called LiverpoolLegends.html and an empty .css file called style.css.Please have a look at the HTML Markup that I typed in my fancy editor package below<!doctype html><html lang="en"><head><title>Liverpool Legends Gallery</title><meta charset="utf-8"><link rel="stylesheet" type="text/css" href="style.css"></head><body><header><h1>A page dedicated to Liverpool Legends</h1><h2>Do hover over the images with the mouse to see the full picture</h2></header><ul id="column1"><li><a href="http://weblogs.asp.net/controlpanel/blogs/posteditor.aspx?SelectedNavItem=Posts§ionid=1153&postid=8927200#"><img src="thumbs/john-barnes.jpg" alt=""><img class="large" src="large-images/john-barnes-large.jpg" alt=""></a></li><li><a href="http://weblogs.asp.net/controlpanel/blogs/posteditor.aspx?SelectedNavItem=Posts§ionid=1153&postid=8927200#"><img src="thumbs/ian-rush.jpg" alt=""><img class="large" src="large-images/ian-rush-large.jpg" alt=""></a></li><li><a href="http://weblogs.asp.net/controlpanel/blogs/posteditor.aspx?SelectedNavItem=Posts§ionid=1153&postid=8927200#"><img src="thumbs/graeme-souness.jpg" alt=""><img class="large" src="large-images/graeme-souness-large.jpg" alt=""></a></li></ul><ul id="column2"><li><a href="http://weblogs.asp.net/controlpanel/blogs/posteditor.aspx?SelectedNavItem=Posts§ionid=1153&postid=8927200#"><img src="thumbs/steven-gerrard.jpg" alt=""><img class="large" src="large-images/steven-gerrard-large.jpg" alt=""></a></li><li><a href="http://weblogs.asp.net/controlpanel/blogs/posteditor.aspx?SelectedNavItem=Posts§ionid=1153&postid=8927200#"><img src="thumbs/kenny-dalglish.jpg" alt=""><img class="large" src="large-images/kenny-dalglish-large.jpg" alt=""></a></li><li><a href="http://weblogs.asp.net/controlpanel/blogs/posteditor.aspx?SelectedNavItem=Posts§ionid=1153&postid=8927200#"><img src="thumbs/robbie-fowler.jpg" alt=""><img class="large" src="large-images/robbie-fowler-large.jpg" alt=""></a></li></ul><ul id="column3"><li><a href="http://weblogs.asp.net/controlpanel/blogs/posteditor.aspx?SelectedNavItem=Posts§ionid=1153&postid=8927200#"><img src="thumbs/alan-hansen.jpg" alt=""><img class="large" src="large-images/alan-hansen-large.jpg" alt=""></a></li><li><a href="http://weblogs.asp.net/controlpanel/blogs/posteditor.aspx?SelectedNavItem=Posts§ionid=1153&postid=8927200#"><img src="thumbs/michael-owen.jpg" alt=""><img class="large" src="large-images/michael-owen-large.jpg" alt=""></a></li></ul></body></html> It is very easy to follow the markup. Please have a look at the new doctype and the new semantic tag <header>. I have 3 columns and I place my images in there.There is a class called "large".I will use this class in my CSS code to hide the large image when the mouse is not on (hover) an image Make sure you validate your HTML 5 page in the validator found hereHave a look at the CSS code below that makes it all happen.img { border:none;}#column1 { position: absolute; top: 30; left: 100; }li { margin: 15px; list-style-type:none;}#column1 a img.large {  position: absolute; top: 0; left:700px; visibility: hidden;}#column1 a:hover { background: white;}#column1 a:hover img.large { visibility:visible;}#column2 { position: absolute; top: 30; left: 195px; }li { margin: 5px; list-style-type:none;}#column2 a img.large { position: absolute; top: 0; left:510px; margin-left:0; visibility: hidden;}#column2 a:hover { background: white;}#column2 a:hover img.large { visibility:visible;}#column3 { position: absolute; top: 30; left: 400px; width:108px;}li { margin: 5px; list-style-type:none;}#column3 a img.large { width: 260px; height:260px; position: absolute; top: 0; left:315px; margin-left:0; visibility: hidden;}#column3 a:hover { background: white;}#column3 a:hover img.large { visibility:visible;}?n the first line of the CSS code I set the images to have no border.Then I place the first column in the page and then remove the bullets from the list elements.Then I use the large CSS class to create a position for the large image and hide it.Finally when the hover event takes place I make the image visible.I repeat the process for the next two columns. I have tested the page with IE 10 and the latest versions of Opera,Chrome and Firefox.Feel free to style your HTML 5 gallery any way you want through the magic of CSS.I did not bother adding background colors and borders because that was beyond the scope of this post. Hope it helps!!!!

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  • Website Vulnerabilities

    - by Ben Griswold
    The folks at the Open Web Application Security Project publish a list of the top 10 vulnerabilities. In a recent CodeBrew I provided a quick overview of them all and spent a good amount of time focusing on the most prevalent vulnerability, Cross Site Scripting (XSS).  I gave an overview of XSS, stepped through a quick demo (sorry vulnerable site), reviewed the three XSS variations and talked a bit about how to protect one’s site.  References and reading materials were also included in the presentation and, look at that, they are provided here too. Open Web Application Security Project The OWASP Top Ten Vulnerabilities (pdf) OWASP List of Vulnerabilities The 56 Geeks Project by Scott Johnson ha.ckers.org OWASP XSS Prevention Cheat Sheet Wikipedia Is XSS Solvable?, Don Ankney The Anatomy of Cross Site Scripting, Gavin Zuchlinski

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  • Google I/O 2010 - Ignite Google I/O

    Google I/O 2010 - Ignite Google I/O Google I/O 2010 - Ignite Google I/O Tech Talks Brady Forrest, Krissy Clark, Ben Huh, Matt Harding, Clay Johnson, Bradley Vickers, Aaron Koblin, Michael Van Riper, Anne Veling, James Young Ignite captures the best of geek culture in a series of five-minute speed presentations. Each speaker gets 20 slides that auto-advance after 15 seconds. Check out last year's Ignite Google I/O. For all I/O 2010 sessions, please go to code.google.com/events/io/2010/sessions.html From: GoogleDevelopers Views: 206 3 ratings Time: 58:30 More in Science & Technology

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  • Google I/O 2010 - Fireside chat with the GWT team

    Google I/O 2010 - Fireside chat with the GWT team Google I/O 2010 - Fireside chat with the GWT team Fireside Chats, GWT Bruce Johnson, Joel Webber, Ray Ryan, Amit Manjhi, Jaime Yap, Kathrin Probst, Eric Ayers, lan Stewart, Christian Dupuis, Chris Ramsdale (moderator) If you're interested in what the GWT team has been up to since 2.0, here's your chance. We'll have several of the core engineers available to discuss the new features and frameworks in GWT, as well as to answer any questions that you might have. For all I/O 2010 sessions, please go to code.google.com From: GoogleDevelopers Views: 140 0 ratings Time: 58:32 More in Science & Technology

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  • Where I&rsquo;ve Been

    - by Lee Brandt
    Hey all. I am still here. Still kickin’. I’ve been swamped with work and community stuff. But I wanted to post about some of the things going on. Just finished up Twin Cities Code Camp 8, and had a blast! Always good to see these guys. First of all, up-coming speaking engagements: Iowa Code Camp – May 1st in Iowa City, IA [more info] DevLink – August 5-7 in Nashville, TN [more info]   Plus I am organizing a second developer’s conference in Kansas City. Kansas City Developer’s Conference (KCDC) – June 19th in Kansas City [more info]   I will also be doing Lunch & Learns for my company in April and May at JCCC: April 29th, May 12th and May 27th at Johnson County Community College in Kansas City.   So May, June and August are covered. I may just take July off, I could use a break after KCDC is over.

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  • Visual Studio 2010 Launch with DotNet Rocks and ESRI

    tweetmeme_url = 'http://alpascual.com/blog/visual-studio-2010-launch-with-dotnet-rocks-and-esri/';tweetmeme_source = 'alpascual';.NET Rocks is coming to town for the The Visual Studio 2010 launch will be hosted at ESRI. Thanks to James Johnson & Jim Barry to organize this event. This is a huge event for the Inland Empire, Richard Campbell and Carl Franklin from the popular podcast and website, .NET Rocks. Looks like they are bringing a guess speaker, the entity of that speaker is unknown. ...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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  • Analyst Firm Gives Oracle Highest Rating for Local Government CRM

    - by michael.seback
    Gartner, Inc. has given Oracle a rating of "Strong Positive," the highest possible ranking, in its report "MarketScope for Local Government CRM Products." The report compares the offerings of nine providers of CRM commercial off-the-shelf software for local government agencies. Gartner notes that a provider receiving a Strong Positive ranking must be a "provider of strategic products, services or solutions..." and recommends that "customers continue with planned investments and potential customers consider this vendor a strong choice for strategic investments." "Local governments today face tough challenges as they are tasked with reducing costs while at the same time providing citizens with services and information more quickly and efficiently than ever before. Oracle is pleased to be recognized by Gartner with a Strong Positive rating in its 'MarketScope for Local Government CRM Products' report, as we believe it reflects our commitment to helping our public sector customers meet these challenges today and in the future," said Mark Johnson, senior vice president, Oracle Public Sector. Read the highlights.

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  • Oracle's HR Summit featuring Joyce Westerdahl is next week in Chicago!

    - by Jay Richey, HCM Product Marketing
    This special full day HR Summit will examine the future of work, and how shifting demographics, new talent pools, changing workforce practices, and evolving business models are impacting the HR landscape.   Joyce Westerdahl, Oracle Senior VP for HR, will share her HR strategies and insight as to how she created a flexible, global workforce that has supported the Oracle's ongoing transformation into an integrated technology solutions provider. Marcie van Houton, Fusion HCM Product Strategy Director, will delve into the innovative technologies that Oracle has developed to support all this change. And Sheryl Johnson, Director, Oracle Fusion HCM, PwC, will examine how high performing HR organizations are increasing their relevancy and value to the business, using organizational best practices and transformational technologies to drive real business results. Wednesday, December 7, 2011 11:00 a.m. – 4:15 p.m. JW Marriott Chicago 151 West Adams Street Chicago, Illinois 60603 www.oracle.com/us/dm/h2fy11/17109-nafm11032950mpp025-se-518477.html   

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  • White Paper on Analysis Services Tabular Large-scale Solution #ssas #tabular

    - by Marco Russo (SQLBI)
    Since the first beta of Analysis Services 2012, I worked with many companies designing and implementing solutions based on Analysis Services Tabular. I am glad that Microsoft published a white paper about a case-study using one of these scenarios: An Analysis Services Case Study: Using Tabular Models in a Large-scale Commercial Solution. Alberto Ferrari is the author of the white paper and many people contributed to it. The final result is a very technical document based on a case study, which provides a level of detail that I don’t see often in other case studies (which are usually more marketing-oriented). This white paper has the following structure: Requirements (data model, capacity planning, client tool) Options considered (SQL Server Columnstore Indexes, SSAS Multidimensional, SSAS Tabular) Data Model optimizations (memory compression, query performance, scalability) Partitioning and Processing strategy for near real-time latency Hardware selection (NUMA analysis, Azure VM tests) Scalability tests (estimation of maximum users per node) If you are in charge of evaluating Tabular as analytical engine, or if you have to design your solution based on Tabular, this white paper is a must read. But if you just want to increase your knowledge of Analysis Services, you will find a lot of useful technical information. That said, my favorite quote of the document is the following one, funny but true: […] After several trials, the clear winner was a video gaming machine that one guy on the team used at home. That computer outperformed any available server, running twice as fast as the server-class machines we had in house. At that point, it was clear that the criteria for choosing the server would have to be expanded a bit, simply because it would have been impossible to convince the boss to build a cluster of gaming machines and trust it to serve our customers.  But, honestly, if a business has the flexibility to buy gaming machines (assuming the machines can handle capacity) – do this. Owen Graupman, inContact I want to write a longer discussion about how companies are adopting Tabular in scenarios where it is the hidden engine of a more complex solution (and not the classical “BI system”), because it is more frequent than you might expect (and has several advantages over many alternative approaches).

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  • Google I/O 2010 - Keynote Day 1

    Google I/O 2010 - Keynote Day 1 Google I/O 2010 - Keynote Day 1 Video footage from Day 1 keynote at Google I/O 2010 Vic Gundotra, Engineering Vice President, Google Sundar Pichai, Vice President, Product Management, Google Charles Pritchard, Founder, MugTug Jim Lanzone, CEO, Clicker Mike Shaver, VP Engineering, Mozilla Corporation Håkon Wium Lie, CTO, Opera Software Kevin Lynch, CTO, Adobe Systems Terry McDonell, Editor, Sports Illustrated Group Lars Rasmussen, Manager, Google Wave David Glazer, Engineering Director, Google Paul Maritz, President & CEO, VMware Ben Alex, Senior Staff Engineer, SpringSource Division of VMware, Bruce Johnson, Engineering Director, Google Kevin Gibbs, Software Engineer, Google For all I/O 2010 sessions, please go to code.google.com From: GoogleDevelopers Views: 2 1 ratings Time: 02:05:08 More in Science & Technology

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  • Could not find rake-10.1.0 in any of the sources

    - by spuder
    I've got a ruby on rails application (gitlab) which is installed via puppet. Everything on the test system runs fine, but production generates an error about rake Running /home/git/gitlab-shell/bin/check Could not find rake-10.1.0 in any of the sources Run bundle install to install missing gems. Here is the full rake check: root@gitlab:/home/git# sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production Checking Environment ... Git configured for git user? ... yes Has python2? ... yes python2 is supported version? ... yes Checking Environment ... Finished Checking GitLab Shell ... GitLab Shell version >= 1.7.1 ? ... OK (1.7.1) Repo base directory exists? ... yes Repo base directory is a symlink? ... no Repo base owned by git:git? ... yes Repo base access is drwxrws---? ... yes update hook up-to-date? ... yes update hooks in repos are links: ... Could not find rake-10.1.0 in any of the sources Run `bundle install` to install missing gems. gitlab-shell self-check failed Try fixing it: Make sure GitLab is running; Check the gitlab-shell configuration file: sudo -u git -H editor /home/git/gitlab-shell/config.yml Please fix the error above and rerun the checks. Checking GitLab Shell ... Finished Checking Sidekiq ... Running? ... yes Number of Sidekiq processes ... 1 Checking Sidekiq ... Finished Checking GitLab ... Database config exists? ... yes Database is SQLite ... no All migrations up? ... yes GitLab config exists? ... yes GitLab config outdated? ... no Log directory writable? ... yes Tmp directory writable? ... yes Init script exists? ... yes Init script up-to-date? ... yes projects have namespace: ... Spencer Owen / bar ... yes Projects have satellites? ... Spencer Owen / bar ... can't create, repository is empty Redis version >= 2.0.0? ... yes Your git bin path is "/usr/bin/git" Git version >= 1.7.10 ? ... yes (1.8.4) Checking GitLab ... Finished The step 'gitlab-shell check' effectively runs the following command. If I run that command manually, everything passes. root@gitlab:/home/git/gitlab# sudo -u git -H /home/git/gitlab-shell/bin/check Check GitLab API access: OK Check directories and files: /home/git/repositories: OK /home/git/.ssh/authorized_keys: OK I have verified that rake is in fact installed root@gitlab:/home/git/gitlab# gem install rake -v 10.1.0 root@gitlab:/home/git/gitlab# bundle install root@gitlab:/home/git/gitlab# sudo -u git -H gem install rake -v 10.1.0 root@gitlab:/home/git/gitlab# sudo -u git -H bundle install Ruby is installed with update alternatives root@gitlab:/home/git/gitlab# sudo -u git -H ruby --version ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-linux] root@gitlab:/home/git/gitlab# sudo -u git -H ls -l `which ruby` lrwxrwxrwx 1 root root 22 Oct 8 20:26 /usr/bin/ruby -> /etc/alternatives/ruby root@gitlab:/home/git/gitlab# sudo -u git -H gem --version 2.1.10 root@gitlab:/home/git/gitlab# sudo -u git -H ls -l `which gem` lrwxrwxrwx 1 root root 21 Oct 10 20:50 /usr/bin/gem -> /etc/alternatives/gem I've tried the solution mentioned below, to allow shared gems http://stackoverflow.com/questions/19284914/bundle-exec-fails-with-could-not-find-rake-10-1-0-in-any-of-the-sources http://stackoverflow.com/questions/18978002/could-not-find-rake-with-bundle-exec root@gitlab:/home/git/gitlab# cat /home/git/gitlab/.bundle/config --- BUNDLE_FROZEN: '1' BUNDLE_PATH: vendor/bundle BUNDLE_WITHOUT: development:test:postgres BUNDLE_DISABLE_SHARED_GEMS: '1' I've exhausted google, so I'm hoping for someone more familiar with ruby to offer any ideas how to resolve the error. Could not find rake-10.1.0 in any of the sources

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