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• Network authentication + roaming home directory - which technology should I look into using?

  - by Brian

  I'm looking into software which provides a user with a single identity across multiple computers. That is, a user should have the same permissions on each computer, and the user should have access to all of his or her files (roaming home directory) on each computer. There seem to be many solutions for this general idea, but I'm trying to determine the best one for me. Here are some details along with requirements: The network of machines are Amazon EC2 instances running Ubuntu. We access the machines with SSH. Some machines on this LAN may have different uses, but I am only discussing machines for a certain use (running a multi-tenancy platform). The system will not necessarily have a constant amount of machines. We may have to permanently or temporarily alter the amount of machines running. This is the the reason why I'm looking into centralized authentication/storage. The implementation of this effect should be a secure one. We're unsure if users will have direct shell access, but their software will potentially be running (under restricted Linux user names, of course) on our systems, which is as good as direct shell access. Let's assume that their software could potentially be malicious for the sake of security. I have heard of several technologies/combinations to achieve my goal, but I'm unsure of the ramifications of each. An older ServerFault post recommended NFS & NIS, though the combination has security problems according to this old article by Symantec. The article suggests moving to NIS+, but, as it is old, this Wikipedia article has cited statements suggesting a trending away from NIS+ by Sun. The recommended replacement is another thing I have heard of... LDAP. It looks like LDAP can be used to save user information in a centralized location on a network. NFS would still need to be used to cover the 'roaming home folder' requirement, but I see references of them being used together. Since the Symantec article pointed out security problems in both NIS and NFS, is there software to replace NFS, or should I heed that article's suggestions for locking it down? I'm tending toward LDAP because another fundamental piece of our architecture, RabbitMQ, has a authentication/authorization plugin for LDAP. RabbitMQ will be accessible in a restricted manner to users on the system, so I would like to tie the security systems together if possible. Kerberos is another secure authentication protocol that I have heard of. I learned a bit about it some years ago in a cryptography class but don't remember much about it. I have seen suggestions online that it can be combined with LDAP in several ways. Is this necessary? What are the security risks of LDAP without Kerberos? I also remember Kerberos being used in another piece of software developed by Carnegie Mellon University... Andrew File System, or AFS. OpenAFS is available for use, though its setup seems a bit complicated. At my university, AFS provides both requirements... I can log in to any machine, and my "AFS folder" is always available (at least when I acquire an AFS token). Along with suggestions for which path I should look into, does anybody have any guides which were particularly helpful? As the bold text pointed out, LDAP looks to be the best choice, but I'm particularly interested in the implementation details (Keberos? NFS?) with respect to security.

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• Is my hard drive about to die?

  - by Hristo Deshev

  I have two hard drives set up as a RAID 1 array on my server (Linux, software RAID using mdadm) and one of them just got me this "present" in syslog: Nov 23 02:05:29 h2 kernel: [7305215.338153] ata1.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0 Nov 23 02:05:29 h2 kernel: [7305215.338178] ata1.00: irq_stat 0x40000008 Nov 23 02:05:29 h2 kernel: [7305215.338197] ata1.00: failed command: READ FPDMA QUEUED Nov 23 02:05:29 h2 kernel: [7305215.338220] ata1.00: cmd 60/08:00:d8:df:da/00:00:3a:00:00/40 tag 0 ncq 4096 in Nov 23 02:05:29 h2 kernel: [7305215.338221] res 41/40:08:d8:df:da/00:00:3a:00:00/00 Emask 0x409 (media error) <F> Nov 23 02:05:29 h2 kernel: [7305215.338287] ata1.00: status: { DRDY ERR } Nov 23 02:05:29 h2 kernel: [7305215.338305] ata1.00: error: { UNC } Nov 23 02:05:29 h2 kernel: [7305215.358901] ata1.00: configured for UDMA/133 Nov 23 02:05:32 h2 kernel: [7305218.269054] ata1.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0 Nov 23 02:05:32 h2 kernel: [7305218.269081] ata1.00: irq_stat 0x40000008 Nov 23 02:05:32 h2 kernel: [7305218.269101] ata1.00: failed command: READ FPDMA QUEUED Nov 23 02:05:32 h2 kernel: [7305218.269125] ata1.00: cmd 60/08:00:d8:df:da/00:00:3a:00:00/40 tag 0 ncq 4096 in Nov 23 02:05:32 h2 kernel: [7305218.269126] res 41/40:08:d8:df:da/00:00:3a:00:00/00 Emask 0x409 (media error) <F> Nov 23 02:05:32 h2 kernel: [7305218.269196] ata1.00: status: { DRDY ERR } Nov 23 02:05:32 h2 kernel: [7305218.269215] ata1.00: error: { UNC } Nov 23 02:05:32 h2 kernel: [7305218.341565] ata1.00: configured for UDMA/133 Nov 23 02:05:35 h2 kernel: [7305221.193342] ata1.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0 Nov 23 02:05:35 h2 kernel: [7305221.193368] ata1.00: irq_stat 0x40000008 Nov 23 02:05:35 h2 kernel: [7305221.193386] ata1.00: failed command: READ FPDMA QUEUED Nov 23 02:05:35 h2 kernel: [7305221.193408] ata1.00: cmd 60/08:00:d8:df:da/00:00:3a:00:00/40 tag 0 ncq 4096 in Nov 23 02:05:35 h2 kernel: [7305221.193409] res 41/40:08:d8:df:da/00:00:3a:00:00/00 Emask 0x409 (media error) <F> Nov 23 02:05:35 h2 kernel: [7305221.193474] ata1.00: status: { DRDY ERR } Nov 23 02:05:35 h2 kernel: [7305221.193491] ata1.00: error: { UNC } Nov 23 02:05:35 h2 kernel: [7305221.388404] ata1.00: configured for UDMA/133 Nov 23 02:05:38 h2 kernel: [7305224.426316] ata1.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0 Nov 23 02:05:38 h2 kernel: [7305224.426343] ata1.00: irq_stat 0x40000008 Nov 23 02:05:38 h2 kernel: [7305224.426363] ata1.00: failed command: READ FPDMA QUEUED Nov 23 02:05:38 h2 kernel: [7305224.426387] ata1.00: cmd 60/08:00:d8:df:da/00:00:3a:00:00/40 tag 0 ncq 4096 in Nov 23 02:05:38 h2 kernel: [7305224.426388] res 41/40:08:d8:df:da/00:00:3a:00:00/00 Emask 0x409 (media error) <F> Nov 23 02:05:38 h2 kernel: [7305224.426459] ata1.00: status: { DRDY ERR } Nov 23 02:05:38 h2 kernel: [7305224.426478] ata1.00: error: { UNC } Nov 23 02:05:38 h2 kernel: [7305224.498133] ata1.00: configured for UDMA/133 Nov 23 02:05:41 h2 kernel: [7305227.400583] ata1.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0 Nov 23 02:05:41 h2 kernel: [7305227.400608] ata1.00: irq_stat 0x40000008 Nov 23 02:05:41 h2 kernel: [7305227.400627] ata1.00: failed command: READ FPDMA QUEUED Nov 23 02:05:41 h2 kernel: [7305227.400649] ata1.00: cmd 60/08:00:d8:df:da/00:00:3a:00:00/40 tag 0 ncq 4096 in Nov 23 02:05:41 h2 kernel: [7305227.400650] res 41/40:08:d8:df:da/00:00:3a:00:00/00 Emask 0x409 (media error) <F> Nov 23 02:05:41 h2 kernel: [7305227.400716] ata1.00: status: { DRDY ERR } Nov 23 02:05:41 h2 kernel: [7305227.400734] ata1.00: error: { UNC } Nov 23 02:05:41 h2 kernel: [7305227.472432] ata1.00: configured for UDMA/133 From what I read so far, I am not sure if read errors mean that a hard drive is dying on me (no write errors so far). I've had hard drive errors in the past and those always had errors about failing to write to specific sectors in the logs. Not this time. Should I be replacing the drive? Could something else be causing the problem? I've scheduled a smartctl -t long test that will finish in a couple of hours. I hope this will give me some more info.

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• April 30th Links: ASP.NET, ASP.NET MVC, Visual Studio 2010

  - by ScottGu

  Here is the latest in my link-listing series. [In addition to blogging, I am also now using Twitter for quick updates and to share links. Follow me at: twitter.com/scottgu] ASP.NET Data Web Control Enhancements in ASP.NET 4.0: Scott Mitchell has a good article that summarizes some of the nice improvements coming to the ASP.NET 4 data controls. Refreshing an ASP.NET AJAX UpdatePanel with JavaScript: Scott Mitchell has another nice article in his series on using ASP.NET AJAX that demonstrates how to programmatically trigger an UpdatePanel refresh using JavaScript on the client. ASP.NET MVC ASP.NET MVC 2: Basics and Introduction: Scott Hanselman delivers an awesome introductory talk on ASP.NET MVC.  Great for people looking to understand and learn ASP.NET MVC. ASP.NET MVC 2: Ninja Black Belt Tips: Another great talk by Scott Hanselman about how to make the most of several features of ASP.NET MVC 2. ASP.NET MVC 2 Html.Editor/Display Templates: A great blog post detailing the new Html.EditorFor() and Html.DisplayFor() helpers within ASP.NET MVC 2. MVCContrib Grid: Jeremy Skinner’s video presentation about the new Html.Grid() helper component within the (most awesome) MvcContrib project for ASP.NET MVC. Code Snippets for ASP.NET MVC 2 in VS 2010: Raj Kaimal documents some of the new code snippets for ASP.NET MVC 2 that are now built-into Visual Studio 2010.  Read this article to learn how to do common scenarios with fewer keystrokes. Turn on Compile-time View Checking for ASP.NET MVC Projects in TFS 2010 Build: Jim Lamb has a nice post that describes how to enable compile-time view checking as part of automated builds done with a TFS Build Server.  This will ensure any errors in your view templates raise build-errors (allowing you to catch them at build-time instead of runtime). Visual Studio 2010 VS 2010 Keyboard Shortcut Posters for VB, C#, F# and C++: Keyboard shortcut posters that you can download and then printout. Ideal to provide a quick reference on your desk for common keystroke actions inside VS 2010. My Favorite New Features in VS 2010: Scott Mitchell has a nice article that summarizes some of his favorite new features in VS 2010.  Check out my VS 2010 and .NET 4 blog series for more details on some of them. 6 Cool VS 2010 Quick Tips and Features: Anoop has a nice blog post describing 6 cool features of VS 2010 that you can take advantage of. SharePoint Development with VS 2010: Beth Massi links to a bunch of nice “How do I?” videos that that demonstrate how to use the SharePoint development support built-into VS 2010. How to Pin a Project to the Recent Projects List in VS 2010: A useful tip/trick that demonstrates how to “pin” a project to always show up on the “Recent Projects” list within Visual Studio 2010. Using the WPF Tree Visualizer in VS 2010: Zain blogs about the new WPF Tree Visualizer supported by the VS 2010 debugger.  This makes it easier to visualize WPF control hierarchies within the debugger. TFS 2010 Power Tools Released: Brian Harry blogs about the cool new TFS 2010 extensions released with this week’s TFS 2010 Power Tools release. What is New with T4 in VS 2010: T4 is the name of Visual Studio’s template-based code generation technology.  Lots of scenarios within VS 2010 now use T4 for code generation customization. Two examples are ASP.NET MVC Views and EF4 Model Generation.  This post describes some of the many T4 infrastructure improvements in VS 2010. Hope this helps, Scott P.S. If you haven’t already, check out this month’s "Find a Hoster” page on the www.asp.net website to learn about great (and very inexpensive) ASP.NET hosting offers.

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• How to prepare for a telephone interview: ‘Develop an Interview Cheat Sheet’

  - by Maria Sandu

  At Oracle we often do telephone interviews in different stages of the process with candidates, due to the fact that we hire native speakers into other countries. On this blog we already have an article with tips and tricks for phone interviews that can help you during the telephone interviews. To help you prepare even better for a telephone interview we would like to introduce you the basics of developing a cheat sheet. The benefit of a telephone interview is that you will be sitting at home, at your table or desk, during the interview, and not in front of someone. So use this to your advantage. The Monster website has some useful and interesting tips and tricks for developing a cheat sheet. Carole Martin, who wrote this article, says that a cheat sheet will help you feel more prepared and confident when speaking to managers over the phone. Important to keep in mind is that you shouldn't memorise what's on the sheet or check it off during the interview. Only use your cheat sheet to remind you of key facts. Here are some suggestions to include on it: • Divide a piece of paper in 2 by drawing a line. Write on one side of the paper a list of requirements as mentioned in the job description. On the other side list your qualities to fulfill the requirements of the employer. This will help you in answering questions about why you are the best candidate for the job and how you fit the role. • Do research on the company, the industry sector and the competitors, so you will get a feeling for the company’s business and can ask more in-depth questions. • Be prepared for the most used introduction question: “Tell me a bit about yourself”. Prepare a 60-second personal statement or pitch in which you summarise who you are and what you can offer, so you will be able to sell yourself from on the very beginning. • Write down a minimum of 5 good examples to answer behavioral interview questions ("Tell me about a time when..." or "Give me an example of a time..." ). These questions are used by interviewers to see how you deal with similar situations as you might encounter in the job. Interviewers use this question as past behaviour is scientifically proven to be the best predictor for future behaviour. • List five questions to ask the interviewer about the job, the company and the industry to help you get a good understanding if the role and company really fit your needs and wants. To get some inspiration check this article on inc.com • Find out how much you are worth on the job market and determine your needs based on your living expenses, especially when moving abroad. • Ask for permission from the people you plan to use as a reference. Also make sure you have your CV at hand and an overview of your grades. Feel free to comment on this article and let us know what your experience is with developing a cheat sheet for a telephone interview. Good luck with the preparation of your sheet.

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• Who should ‘own’ the Enterprise Architecture?

  - by Michael Glas

  I recently had a discussion around who should own an organization’s Enterprise Architecture. It was spawned by an article titled “Busting CIO Myths” in CIO magazine1 where the author interviewed Jeanne Ross, director of MIT's Center for Information Systems Research and co-author of books on enterprise architecture, governance and IT value.In the article Jeanne states that companies need to acknowledge that "architecture says everything about how the company is going to function, operate, and grow; the only person who can own that is the CEO". "If the CEO doesn't accept that role, there really can be no architecture."The first question that came up when talking about ownership was whether you are talking about a person, role, or organization (there are pros and cons to each, but in general, I like to assign accountability to as few people as possible). After much thought and discussion, I came to the conclusion that we were answering the wrong question. Instead of talking about ownership we were talking about responsibility and accountability, and the answer varies depending on the particular role of the organization’s Enterprise Architecture and the activities of the enterprise architect(s).Instead of looking at just who owns the architecture, think about what the person/role/organization should do. This is one possible scenario (thanks to Bob Covington): The CEO should own the Enterprise Strategy which guides the business architecture. The Business units should own the business processes and information which guide the business, application and information architectures. The CIO should own the technology, IT Governance and the management of the application and information architectures/implementations. The EA Governance Team owns the EA process.  If EA is done well, the governance team consists of both IT and the business. While there are many more roles and responsibilities than listed here, it starts to provide a clearer understanding of ‘ownership’. Now back to Jeanne’s statement that the CEO should own the architecture. If you agree with the statement about what the architecture is (and I do agree), then ultimately the CEO does need to own it. However, what we ended up with was not really ownership, but more statements around roles and responsibilities tied to aspects of the enterprise architecture. You can debate the semantics of ownership vs. responsibility and accountability, but in the end the important thing is to come to a clearer understanding that is easily communicated (and hopefully measured) around the question “Who owns the Enterprise Architecture”.The next logical step . . . create a RACI matrix that details the findings . . . but that is a step that each organization needs to do on their own as it will vary based on current EA maturity, company culture, and a variety of other factors. Who ‘owns’ the Enterprise Architecture in your organization? 1 CIO Magazine Article (Busting CIO Myths): http://www.cio.com/article/704943/Busting_CIO_Myths Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;}

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• ArchBeat Facebook Friday: Top 10 Shared Links - May 30- June 5, 2014

  - by OTN ArchBeat

  The list below is comprised of the Top 10 most popular articles, blog posts, videos, and other content shared over the last seven days with the more than 5,100 people fans of the OTN ArchBeat Facebook Page. What is REST? | Maarten Smeets "Most Middleware developers will encounter RESTful services," says Oracle SOA / BPM / Java integration specialist Maarten Smeets. "It is good to understand what they are, what they should be and how they work." His extensive post will help you achieve that understanding. Integrating with Fusion Applications using SOAP web services and REST APIs | Arvind Srinivasamoorth This article, part one of Arvind Srinivasamoorth's two-part series on Integrating with Fusion Applications using SOAP web services and REST APIs, shows you how to identify the Fusion Applications SOAP web service to be invoked. Oracle Technology Network | Architect Community Have you visited the OTN Solution Architect homepage lately? I've just updated it with information about the big OTN Virtual Tech Summit on July 9, plus the latest OTN tech articles, and a fresh list of community videos and podcasts. Check it out! Starting and Stopping a Java EE Environment when using Oracle WebLogic | Rene van Wijk Oracle ACE Director and Oracle Fusion Middleware specialist Rene van Wijk explores ways to simplify the life-cycle management of a Java EE environment through the use of scripts developed with WebLogic Scripting Tool and Linux Bash. Application Composer Series: Where and When to use Groovy | Richard Bingham Richard Bingham describes his post as "more of a reference than an article." The post is comprised of a table that highlights where you can add your own custom logic via Groovy code and when you might use the various features. Kscope 2014: HFM Metadata Diagnostics | Eric Erikson Oracle Certified Hyperion Financial Management Specialist Eric Erikson will present three sessions at ODTUG Kscope 2014, June 22-26 in Seattle. Why should you care? Watch the video. Tuning Asynchronous Web Services in Fusion Applications | Jian Liang This article, the fourth in solution architect Jian Liang's five-part series on Fusion Applications and asynchronous Web Services, shows you how to conduct performance tuning of the asynchronous web services in relation to Fusion Applications. IDM FA Integration Flows | Thiago Leoncio Fusion Applications uses the Oracle Identity Management for its identity store and policy store by default. This article by solution architect Thiago Leoncio explains how user and role flows work from different points of view, using key IDM products for each flow in detail. GoldenGate and Oracle Data Integrator - A Perfect Match in 12c... Part 1: Getting Started | Michael Rainey Michael Rainey has already written extensively about about integration between Oracle Data Integrator and GoldenGate -- but he's not done. "With the release of the 12c versions of ODI and GoldenGate last October, and a soon-to-be-updated reference architecture, it’s time to write a few posts on the subject again, " he says. Here's the first of those posts. Video: Kscope 2014 Preview: Tim Tow on Essbase Java API and ODTUG Community Oracle ACE Director and ODTUG board member Tim Tow talks about his Kscope 2014 sessions focused on the Essbase Java API in this short video interview.

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• Get Pop Up Notifications for Your RSS Feeds with Feed Notifier

  - by DigitalGeekery

  Are you looking for a way to get updates from your favorite websites right to your desktop?  If so, you’ll want to check out Feed Notifier. This free Windows application runs in the system tray and delivers pop-up notifications to your desktop when your subscribed RSS feeds are updated. Download and install Feed Notifier. (Download link below) When you are finished installing, the Feed Notifier Preferences window will open. Click on the Add… button to add an RSS feed. Copy and paste the Feed URL into the text box and click Next. Choose your polling interval. This is how often your feed will be checked for new items. You can set your polling interval for days, hours, minutes, or even seconds. Click FInish. At your configured interval, Feed Notifier will check your feeds for new items. If new items are present, they will pop up above your system tray.  You’ll get an intro portion of the article. Simply Click the headline in the feed pop up… …to open the full article in your default browser. Setting Preferences Open the preferences of Feed Notifier, by going to Start > All Programs > Feed Notifier, or right clicking on the system tray icon and selecting Preferences. On the Pop-ups tab you can configure the duration in seconds that each article stays displayed on your screen. The default is five seconds. You can also change the size of the display, the theme, and the amount of content displayed.   The Options tab offers additional configurations like article caching and using a proxy server. Filter tab allows you to filter in or out certain content. To add a filter click Add…   … then type in the filter rule. You can even choose to apply it to only certain feeds. Click OK. Feed Notifier will display on the filters tab the number of times the filter is applied. Click OK when finished.   You can scroll though the articles by using the forward and back buttons at the lower left, or use the play / pause buttons to move though the articles in a slideshow-type fashion.   Feed Notifier is nice way to get your updated feeds directly to your desktop in a timely fashion. It’s supports all RSS and Atom feeds and features a clean look and feel with plenty of customizable options. Download Feed Notifier Similar Articles Productive Geek Tips Make Outlook Stop Using Internet Explorer’s RSS FeedsChange Default Feed Reader in FirefoxView Feedburner Subscriber Numbers Even if FeedCount is Not DisplayedSubscribe to RSS Feeds in Chrome with a Single ClickOrganize your RSS Feeds with FeedDemon TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips DVDFab 6 Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 Heaven & Hell Finder Icon Using TrueCrypt to Secure Your Data Quickly Schedule Meetings With NeedtoMeet Share Flickr Photos On Facebook Automatically Are You Blocked On Gtalk? Find out Discover Latest Android Apps On AppBrain

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• Switching my collision detection to array lists caused it to stop working

  - by Charlton Santana

  I have made a collision detection system which worked when I did not use array list and block generation. It is weird why it's not working but here's the code, and if anyone could help I would be very grateful :) The first code if the block generation. private static final List<Block> BLOCKS = new ArrayList<Block>(); Random rnd = new Random(System.currentTimeMillis()); int randomx = 400; int randomy = 400; int blocknum = 100; String Title = "blocktitle" + blocknum; private Block block; public void generateBlocks(){ if(blocknum > 0){ int offset = rnd.nextInt(250) + 100; //500 is the maximum offset, this is a constant randomx += offset;//ofset will be between 100 and 400 int randomyoff = rnd.nextInt(80); //500 is the maximum offset, this is a constant randomy = platformheighttwo - 6 - randomyoff;//ofset will be between 100 and 400 block = new Block(BitmapFactory.decodeResource(getResources(), R.drawable.block2), randomx, randomy); BLOCKS.add(block); blocknum -= 1; } The second is where the collision detection takes place note: the block.draw(canvas); works perfectly. It's the blocks that don't work. for(Block block : BLOCKS) { block.draw(canvas); if (sprite.bottomrx < block.bottomrx && sprite.bottomrx > block.bottomlx && sprite.bottomry < block.bottommy && sprite.bottomry > block.topry ){ Log.d(TAG, "Collided!!!!!!!!!!!!1"); } // bottom left touching block? if (sprite.bottomlx < block.bottomrx && sprite.bottomlx > block.bottomlx && sprite.bottomly < block.bottommy && sprite.bottomly > block.topry ){ Log.d(TAG, "Collided!!!!!!!!!!!!1"); } // top right touching block? if (sprite.toprx < block.bottomrx && sprite.toprx > block.bottomlx && sprite.topry < block.bottommy && sprite.topry > block.topry ){ Log.d(TAG, "Collided!!!!!!!!!!!!1"); } //top left touching block? if (sprite.toprx < block.bottomrx && sprite.toprx > block.bottomlx && sprite.topry < block.bottommy && sprite.topry > block.topry ){ Log.d(TAG, "Collided!!!!!!!!!!!!1"); } } The values eg bottomrx are in the block.java file..

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• To SYNC or not to SYNC – Part 4

  - by AshishRay

  This is Part 4 of a multi-part blog article where we are discussing various aspects of setting up Data Guard synchronous redo transport (SYNC). In Part 1 of this article, I debunked the myth that Data Guard SYNC is similar to a two-phase commit operation. In Part 2, I discussed the various ways that network latency may or may not impact a Data Guard SYNC configuration. In Part 3, I talked in details regarding why Data Guard SYNC is a good thing, and the distance implications you have to keep in mind. In this final article of the series, I will talk about how you can nicely complement Data Guard SYNC with the ability to failover in seconds. Wait - Did I Say “Seconds”? Did I just say that some customers do Data Guard failover in seconds? Yes, Virginia, there is a Santa Claus. Data Guard has an automatic failover capability, aptly called Fast-Start Failover. Initially available with Oracle Database 10g Release 2 for Data Guard SYNC transport mode (and enhanced in Oracle Database 11g to support Data Guard ASYNC transport mode), this capability, managed by Data Guard Broker, lets your Data Guard configuration automatically failover to a designated standby database. Yes, this means no human intervention is required to do the failover. This process is controlled by a low footprint Data Guard Broker client called Observer, which makes sure that the primary database and the designated standby database are behaving like good kids. If something bad were to happen to the primary database, the Observer, after a configurable threshold period, tells that standby, “Your time has come, you are the chosen one!” The standby dutifully follows the Observer directives by assuming the role of the new primary database. The DBA or the Sys Admin doesn’t need to be involved. And - in case you are following this discussion very closely, and are wondering … “Hmmm … what if the old primary is not really dead, but just network isolated from the Observer or the standby - won’t this lead to a split-brain situation?” The answer is No - It Doesn’t. With respect to why-it-doesn’t, I am sure there are some smart DBAs in the audience who can explain the technical reasons. Otherwise - that will be the material for a future blog post. So - this combination of SYNC and Fast-Start Failover is the nirvana of lights-out, integrated HA and DR, as practiced by some of our advanced customers. They have observed failover times (with no data loss) ranging from single-digit seconds to tens of seconds. With this, they support operations in industry verticals such as manufacturing, retail, telecom, Internet, etc. that have the most demanding availability requirements. One of our leading customers with massive cloud deployment initiatives tells us that they know about server failures only after Data Guard has automatically completed the failover process and the app is back up and running! Needless to mention, Data Guard Broker has the integration hooks for interfaces such as JDBC and OCI, or even for custom apps, to ensure the application gets automatically rerouted to the new primary database after the database level failover completes. Net Net? To sum up this multi-part blog article, Data Guard with SYNC redo transport mode, plus Fast-Start Failover, gives you the ideal triple-combo - that is, it gives you the assurance that for critical outages, you can failover your Oracle databases: very fast without human intervention, and without losing any data. In short, it takes the element of risk out of critical IT operations. It does require you to be more careful with your network and systems planning, but as far as HA is concerned, the benefits outweigh the investment costs. So, this is what we in the MAA Development Team believe in. What do you think? How has your deployment experience been? We look forward to hearing from you!

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• The Future of Air Travel: Intelligence and Automation

  - by BobEvans

  Remember those white-knuckle flights through stormy weather where unexpected plunges in altitude result in near-permanent relocations of major internal organs? Perhaps there’s a better way, according to a recent Wall Street Journal article: “Pilots of a Honeywell International Inc. test plane stayed on their initial flight path, relying on the company's latest onboard radar technology to steer through the worst of the weather. The specially outfitted Boeing 757 barely shuddered as it gingerly skirted some of the most ferocious storm cells over Fort Walton Beach and then climbed above the rest in zero visibility.” Or how about the multifaceted check-in process, which might not wreak havoc on liver location but nevertheless makes you wonder if you’ve been trapped in some sort of covert psychological-stress test? Another WSJ article, called “The Self-Service Airport,” says there’s reason for hope there as well: “Airlines are laying the groundwork for the next big step in the airport experience: a trip from the curb to the plane without interacting with a single airline employee. At the airport of the near future, ‘your first interaction could be with a flight attendant,’ said Ben Minicucci, chief operating officer of Alaska Airlines, a unit of Alaska Air Group Inc.” And in the topsy-turvy world of air travel, it’s not just the passengers who’ve been experiencing bumpy rides: the airlines themselves are grappling with a range of challenges—some beyond their control, some not—that make profitability increasingly elusive in spite of heavy demand for their services. A recent piece in The Economist illustrates one of the mega-challenges confronting the airline industry via a striking set of contrasting and very large numbers: while the airlines pay $7 billion per year to third-party computerized reservation services, the airlines themselves earn a collective profit of only $3 billion per year. In that context, the anecdotes above point unmistakably to the future that airlines must pursue if they hope to be able to manage some of the factors outside of their control (e.g., weather) as well as all of those within their control (operating expenses, end-to-end visibility, safety, load optimization, etc.): more intelligence, more automation, more interconnectedness, and more real-time awareness of every facet of their operations. Those moves will benefit both passengers and the air carriers, says the WSJ piece on The Self-Service Airport: “Airlines say the advanced technology will quicken the airport experience for seasoned travelers—shaving a minute or two from the checked-baggage process alone—while freeing airline employees to focus on fliers with questions. ‘It's more about throughput with the resources you have than getting rid of humans,’ said Andrew O'Connor, director of airport solutions at Geneva-based airline IT provider SITA.” Oracle’s attempting to help airlines gain control over these challenges by blending together a range of its technologies into a solution called the Oracle Airline Data Model, which suggests the following steps: • To retain and grow their customer base, airlines need to focus on the customer experience. • To personalize and differentiate the customer experience, airlines need to effectively manage their passenger data. • The Oracle Airline Data Model can help airlines jump-start their customer-experience initiatives by consolidating passenger data into a customer data hub that drives realtime business intelligence and strategic customer insight. • Oracle’s Airline Data Model brings together multiple types of data that can jumpstart your data-warehousing project with rich out-of-the-box functionality. • Oracle’s Intelligent Warehouse for Airlines brings together the powerful capabilities of Oracle Exadata and the Oracle Airline Data Model to give you real-time strategic insights into passenger demand, revenues, sales channels and your flight network. The airline industry aside, the bullet points above offer a broad strategic outline for just about any industry because the customer experience is becoming pre-eminent in each and there is simply no way to deliver world-class customer experiences unless a company can capture, manage, and analyze all of the relevant data in real-time. I’ll leave you with two thoughts from the WSJ article about the new in-flight radar system from Honeywell: first, studies show that a single episode of serious turbulence can wrack up $150,000 in additional costs for an airline—so, it certainly behooves the carriers to gain the intelligence to avoid turbulence as much as possible. And second, it’s back to that top-priority customer-experience thing and the value that ever-increasing levels of intelligence can deliver. As the article says: “In the cabin, reporters watched screens showing the most intense parts of the nearly 10-mile wide storm, which churned some 7,000 feet below, in vibrant red and other colors. The screens also were filled with tiny symbols depicting likely locations of lightning and hail, which can damage planes and wreak havoc on the nerves of white-knuckle flyers.”  (Bob Evans is senior vice-president, communications, for Oracle.)  

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• Access variables between nested JSP tags

  - by user308053

  I would like to exchange information between two nested JSP tagx artifacts. To give an example: list.jspx <myNs:table data="${myTableData}"> <myNs:column property="firstName" label="First Name"/> <myNs:column property="lastName" label="Last Name"/> </myNs:table> Now, the table.tagx is supposed to display the data columns as defined in the nested column tags. The question is how do I get access to the values of the property and label attributes of the nested column tags from the table tag. I tried jsp:directive.variable but that seems only to work to exchange information between a jsp and a tag, but not between nested tags. Note, I would like to avoid using java backing objects for both the table and the column tags at all. I would also like to know how I can access an attribute defined by a parent tag (in this example I would like to access the contents of the data attribute in table.tagx from column.tagx). So it boils down to how can I access variables between nested JSP tags which are purely implemented through the tag definitions themselves (no Java TagHandler implementation desired)?

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• Kanban vs. Scrum

  - by Andrew Siemer

  Can someone with Kanban experience tell me how Kanban and Scrum differ? What are the pro's and con's of each of the different project management methodologies? Kanban seems to be getting a lot of press these days. I don't want to miss the hottest new way of tracking my teams failures (...and successes). Responses @S. Lott - What part of this article wasn't clear enough? infoq.com/articles/hiranabe-lean-agile-kanban/…. Do you have a more specific question? That is a great article but technically no it is not clear enough. That article gives a great amount of detail about kanban (and thank you for it...good read) but it does not specifically contrast Kanban vs. Scrum. That article will help someone like me make a decision but it most certainly won't help someone like my boss or in general someone less experienced! I was hoping for a quick overview of kanban pros and cons contrasted to scrum pros and cons. Thanks though! @S. Lott - Why do you say kanban vs. scrum? What leads you to conclude they are conflicting approaches? Can you make your question more specific? I don't think that they are necessarily conflicting. But they are different enough for a user to adhere to one over the other. Perhaps one fits a project or company better than the other? How would I sell one over the other when presenting a project management approach. Say I went to a company that was currently stuck in the rutt that is "water fall" - why would I sell one approach over the other?

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• feedparser - various errors

  - by Eiriks

  I need feedparser (se http://www.feedparser.org) for a project, and want to keep third party modules in a separate folder. I did this by adding a folder to my python path, and putting relevant modules there, among them feedparser. This first attempt to import feedparser resulted in import feedparser Traceback (most recent call last): File "", line 1, in File "/home/users/me/modules/feedparser.py", line 1 ed socket timeout; added support for chardet library ^ SyntaxError: invalid syntax I found the text "socket timeout; added..." in the comments at the bottom of the file, removed these comments, and tried again: import feedparser Traceback (most recent call last): File "", line 1, in File "/home/users/me/modules/feedparser.py", line 1 = [(key, value) for key, value in attrs if key in self.acceptable_attributes] ^ IndentationError: unexpected indent Ok, so some indent error. I made sure the indent in the function in question where ok (moved some line breaks down to no-indent). And tried again: import feedparser Traceback (most recent call last): File "", line 1, in File "/home/users/me/modules/feedparser.py", line 1 , value) for key, value in attrs if key in self.acceptable_attributes] ^ SyntaxError: invalid syntax As much I google, I cannot find anything wrong with the syntax: def unknown_starttag(self, tag, attrs): if not tag in self.acceptable_elements: if tag in self.unacceptable_elements_with_end_tag: self.unacceptablestack += 1 return attrs = self.normalize_attrs(attrs) attrs = [(key, value) for key, value in attrs if key in self.acceptable_attributes] _BaseHTMLProcessor.unknown_starttag(self, tag, attrs) Now what? Is my approach all wrong? Why do I keep producing these errors in a module that seems so well tested and trusted?

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• Proper 'cleartool mkview' for ClearCase Snapshot view creation

  - by Jörg Battermann

  Good afternoon, seems like I am somewhat stuck in CC-land these days, but I have one (hopefully) final question regarding proper CC-handling: When using the CC View Creation Wizard with the two steps / details below, I can create a proper Snapshot view on my machine perfectly fine, however when trying to do the same with the mkview command, it fails... Here are the screenshots of the view creation wizard: Now that results into the (working) following view: cleartool> lsview battjo6r_view2 battjo6r_view2 \\Eh40yd4c\Views\battjo6r_view2.vws cleartool> lsview -long battjo6r_view2 Tag: battjo6r_view2 Global path: \\Eh40yd4c\Views\battjo6r_view2.vws Server host: Eh40yd4c Region: CT_WORK Active: NO View tag uuid:f34cf43f.b4d048df.845d.ed:21:a2:9c:45:ff View on host: Eh40yd4c View server access path: D:\Views\battjo6r_view2.vws View uuid: f34cf43f.b4d048df.845d.ed:21:a2:9c:45:ff View attributes: snapshot View owner: WW005\battjo6r However, when trying to create the view manually via mkview -snapshot -tag battjo6r_view2 -vws \\Eh40yd4c\Views\battjo6r_view2.vws -host Eh40yd4c -hpath D:\Views\battjo6r_view2.vws -gpath \\Eh40yd4c\Views\battjo6r_view2.vws battjo6r_view2 ... I get the following error: cleartool> mkview -snapshot -tag battjo6r_view2 -vws \\Eh40yd4c\Views\battjo6r_view2.vws -host Eh40yd4c -hpath D:\Views\battjo6r_view2.vws -gpath \\Eh40yd4c\Views\battjo6r_view2.vws battjo6r_view2 Created view. Host-local path: Eh40yd4c:D:\Views\battjo6r_view2.vws Global path: \\Eh40yd4c\Views\battjo6r_view2.vws cleartool: Error: Unable to find view by uuid:6f99f7ae.6a5d40e4.ba32.37:8e:e5:a4:ed:18, last known at "<viewhost>:<stg_path>". cleartool: Error: Unable to establish connection to snapshot view "6f99f7ae.6a5d40e4.ba32.37:8e:e5:a4:ed:18": ClearCase object not found cleartool: Warning: Unable to open snapshot view "D:\SnapShotViews\battjo6r_view2". cleartool: Error: Unable to create snapshot view "battjo6r_view2". Removing the view ... Any idea why this is happening? Am I missing something?

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• How to get rank from full-text search query with Linq to SQL?

  - by Stephen Jennings

  I am using Linq to SQL to call a stored procedure which runs a full-text search and returns the rank plus a few specific columns from the table Article. The rank column is the rank returned from the SQL function FREETEXTTABLE(). I've added this sproc to the data model designer with return type Article. This is working to get the columns I need; however, it discards the ranking of each search result. I'd like to get this information so I can display it to the user. So far, I've tried creating a new class RankedArticle which inherits from Article and adds the column Rank, then changing the return type of my sproc mapping to RankedArticle. When I try this, an InvalidOperationException gets thrown: Data member 'Int32 ArticleID' of type 'Heap.Models.Article' is not part of the mapping for type 'RankedArticle'. Is the member above the root of an inheritance hierarchy? I can't seem to find any other questions or Google results from people trying to get the rank column, so I'm probably missing something obvious here.

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• MVVM Binding Selected RadOutlookBarItem

  - by Christian

  Imagine: [RadOutlookBarItem1] [RadOutlookBarItem2] [RadOutlookBar] [CONTENCONTROL] What i want to achieve is: User selects one of the RadOutlookBarItem's. Item's tag is bound like: Tag="{Binding SelectedControl, Mode=TwoWay}" MVVM Property public string SelectedControl { get { return _showControl; } set { _showControl = value; OnNotifyPropertyChanged("ShowControl"); } } ContentControl has multiple CustomControls and Visibility of those is bound like: <UserControl.Resources> <Converters:BoolVisibilityConverter x:Key="BoolViz"/> </UserControl.Resources> <Grid x:Name="LayoutRoot" Background="White"> <Views:ViewDocumentSearchControl Visibility="{Binding SelectedControl, Converter={StaticResource BoolViz}, ConverterParameter='viewDocumentSearchControl'}"/> <Views:ViewStartControl Visibility="{Binding SelectedControl, Converter={StaticResource BoolViz}, ConverterParameter='viewStartControl'}"/> </Grid> Converter: public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { // here comes the logic part... should return Visibility.Collapsed : Visibility.Visible based on 'object value' value System.Diagnostics.Debugger.Break(); return Visibility.Collapsed; } now, logically the object value is always set to null. So here's it comes to my question: How can i put a value into the SelectedControl Variable for the RadOutlookBarItem's Tag. I mean something like Tag="{Binding SelectedControl, Mode=TwoWay, VALUE='i.e.ControlName'"} So that i can decide, using the Convert Method, whether a specific Control's visibility is either set to collapsed or visible? help's appreciated Christian

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• Custom Facelets components and attributes defined in taglib

  - by michael lucas

  Defining custom components in Facelets is easy and quick but there's one thing I can't figure out. Is it possible with Facelets to define what attributes my custom component has? I.e: I've created a component which is used in such a way: <blue:modalWindow id="editFeesWizard" width="500" height="440" title="Wizard"> and is defined in taglib.xml as follows: <!DOCTYPE facelet-taglib PUBLIC "-//Sun Microsystems, Inc.//DTD Facelet Taglib 1.0//EN" "http://java.sun.com/dtd/facelet-taglib_1_0.dtd"> <facelet-taglib> <namespace>http://blue/</namespace> <tag> <tag-name>modalWindow</tag-name> <source>components/modalWindow.xhtml</source> </tag> </facelet-taglib> Taglib doesn't contain any information on component attributes (id, width, height, title) and IDE cannot therefore check my syntax nor can it suggest attributes while I'm typing. I cannot find anything on this subject in Facelets documentation. Thought you could help. Thanks!

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• Complex query making site extremely slow

  - by Basit

  select SQL_CALC_FOUND_ROWS DISTINCT media.*, username from album as album, album_permission as permission, user as user, media as media , word_tag as word_tag, tag as tag where ((media.album_id = album.album_id and album.private = 'yes' and album.album_id = permission.album_id and (permission.email = '' or permission.user_id = '') ) or (media.album_id = album.album_id and album.private = 'no' ) or media.album_id = '0' ) and media.status = '1' and media.user_id = user.user_id and word_tag.media_id = media.media_id and word_tag.tag_id = tag.tag_id and tag.name in ('justin','bieber','malfunction','katherine','heigl','wardrobe','cinetube') and media.media_type = 'video' and media.media_id not in ('YHL6a5z8MV4') group by media.media_id order by RAND() #there is limit too, by 20 rows.. i dont know where to begin explaining about this query, but please forgive me and ask me if you have any question. following is the explanation. SQL_CALC_FOUND_ROWS is calculating how many rows are there and will be using for pagination, so it counts total records, even tho only 20 is showing. DISTINCT will stop the repeated row to display. username is from user table. album, album_permission. its checking if album is private and if it is, then check if user has permission, by user_id. i think rest is easy to understand, but if you need to know more about it, then please ask. im really frustrated by this query and site is very slow or not opening sometimes cause of this query. please help

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• Using ThreadPool.QueueUserWorkItem in ASP.NET in a high traffic scenario

  - by Michael Hart

  I've always been under the impression that using the ThreadPool for (let's say non-critical) short-lived background tasks was considered best practice, even in ASP.NET, but then I came across this article that seems to suggest otherwise - the argument being that you should leave the ThreadPool to deal with ASP.NET related requests. So here's how I've been doing small asynchronous tasks so far: ThreadPool.QueueUserWorkItem(s => PostLog(logEvent)) And the article is suggesting instead to create a thread explicitly, similar to: new Thread(() => PostLog(logEvent)){ IsBackground = true }.Start() The first method has the advantage of being managed and bounded, but there's the potential (if the article is correct) that the background tasks are then vying for threads with ASP.NET request-handlers. The second method frees up the ThreadPool, but at the cost of being unbounded and thus potentially using up too many resources. So my question is, is the advice in the article correct? If your site was getting so much traffic that your ThreadPool was getting full, then is it better to go out-of-band, or would a full ThreadPool imply that you're getting to the limit of your resources anyway, in which case you shouldn't be trying to start your own threads? Clarification: I'm just asking in the scope of small non-critical asynchronous tasks (eg, remote logging), not expensive work items that would require a separate process (in these cases I agree you'll need a more robust solution).

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• How to pass a Context when using acts_as_taggable_on for assigning tags

  - by kbjerring

  I am using acts_as_taggable_on for assigning 'fixed' categories as well as free' tags to a Company model. My question is how I can pass the correct tag Context for the two different kinds of tags in the form view. For instance, I would like the user to click all the "sector" categories that apply to a company, and then be freely allowed to add additional tags. At this point, the only way I have gotten this to work is through the company model (inspired by this question): # models/company.rb class Company ... acts_as_taggable_on :sectors, :tags has_many :sector_tags, :through => :taggings, :source => :tag, has_many :taggings, :as => :taggable, :include => :tag, :class_name => "ActsAsTaggableOn::Tagging", :conditions => { :taggable_type => "Company", :context => "sectors" } ... end in the form (using the simple_form gem) I have... # views/companies/_form.html.haml = simple_form_for @company do |f| = f.input :name = f.association :sector_tags, :as => :check_boxes, :hint => "Please click all that apply" = f.input :tag_list But this obviously causes the two tag types ("sectors" and "tags") to be of the same "sectors" context which is not what I want. Can anyone hint at how I can pass the relevant Context ("sectors") in the form where the user assigns the sector tags? Or maybe I can pass it in the "has_many :sector_tags ..." line in the Company model? A related question is if this is a good way to do it at all? Would I be better off just using a Category model for assigning sector tags through a joint model? Thanks!

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• CSS selector involving pseudo class first-child and dropcap

  - by Grnbeagle

  Hi, I need to format HTML similar to below. Basically a quote is optional, and I need to dropcap the first letter of the body paragraph. <article> <p class="quote"> <!-- quote is optional --> Genius begins great works; labor alone finishes them.-- Joseph Joubert </p> <p> <!-- "L" is a dropcap --> Life is like a box of chocolates. </p> <p>...</p> <p>...</p> </article> My CSS looks like this: article > p:first-child:first-letter { float: left; font-family: Georgia, serif; font-size: 360%; line-height: 0.85em; margin-right: 0.05em; } p.quote { font-weight: bold; } It doesn't work currently when the quote is introduced. AFAIK I can't select the article's first child P which is not class "quote." I'll use jQuery if I can't figure this out, but for now I'm looking for a way to do it CSS only. Thanks in advance!

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• Struts2 + jQuery Autocompletion (Solved, with DOJO :) )

  - by Luigi 1982

  I used the jQuery autocompletion for my Struts2 application. Pratically, my action made a list of strings that jQuery use. This is the script: $().ready(function() { $("#tag").autocomplete("/myAction/Action", { multiple : true, autoFill : true, minChars:1 }); }); During typing appear the box with the suggestions. The problem is that the box render another value, exactly render the code of my JSP ( links to CSS for the autocomplete plug-in). How can I solve this? This is my JSP: <html> <head> <script src="<%=request.getContextPath()%>/scripts/jquery-latest.js"></script> <link rel="stylesheet" href="<%=request.getContextPath()%>/scripts/main.css" type="text/css" /> <link rel="stylesheet" href="<%=request.getContextPath()%>/scripts/jquery.autocomplete.css" type="text/css" /> <script type="text/javascript" src="<%=request.getContextPath()%>scripts/jquery.bgiframe.min.js"></script> <script type="text/javascript" src="/<%=request.getContextPath()%>/query.dimensions.js"></script> <script type="text/javascript" src="<%=request.getContextPath()%>/scripts/jquery.autocomplete.js"></script> <script type="text/javascript"> $().ready(function() { $("#tag").autocomplete("/myAction/Action", { multiple : true, autoFill : true, minChars:1 }); }); </script> </head> <body> <s:form action="Action" theme="simple"> <s:iterator value="elencoMateriali" var="asd"> <s:property value="#asd" escape="false"/> </s:iterator> <s:textfield id="tag" name="tagField" label="tag" /> </s:form> </body>

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• Rich editor.. need to replace ccorrect string...

  - by JamesM

  On my website I have a login and an article tag for editing. my article code is in HTML5 witch is enough as my editor rule is HTML5: HTML5: index.php line 212 <article contentEditable="false"> >> Changes to true when in edit mode.. <div>One row of text goes here.</div> <div>Row two's content goes here.</div> </article> I want to be able to get the selected text via JS. JS: js.php format : (function(format){ if (user = "{$ADMIN}"){ selection = getSelection(); text = selection.toString(); switch(format){ case "big": result = text.big(); break; case "small": result = text.small(); break; case "bold": result = text.bold(); break; case "italics": result = text.italics(); break; case "fixed": result = text.fixed(); break; case "strike": result = text.strike(); break; case "fontcolor": result = text.fontcolor(); break; case "fontsize": result = text.fontsize(); break; case "sub": result = text.sub(); break; case "sup": result = text.sup(); break; case "link": result = text.link(); break; } } }), I can replace the text with the result but that will replace all of them I a=can do only the first but i want to do it to the selected...

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• Multiple HTML lines with jquery tooltip plugin

  - by dafi

  I'm using the plugin http://bassistance.de/jquery-plugins/jquery-plugin-tooltip/ to create tooltips with JQuery but I can't created tooltips containing 3 (or more) lines of HTML code. I need to render as tooltip the content shown below (obviously the content is generated dynamically an this it only a proof of concept) <p>Line1</p> <p>Line2 <span style="...">blah blah</span></p> <p>Line3</p> The showBody property seems applicable only to title attributes. Found the problem Apparently jquery.html("...") requires a root tag otherwise generates an empty string. My original code was bodyHandler: function() { return $("<span id='caption'>line1</span>" + "<span id='tags'>line2</span>"); } need to be written with a dummy root tag removed by JQuery bodyHandler: function() { return $( "<root-dummy-tag>" + "<span id='caption'>line1</span>" + "<span id='tags'>line2</span>" + "</root-dummy-tag>" ); }

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• Auto-converting numbers to comma-fied versions

  - by Jeff Atwood

  Given the following text /feeds/tag/remote-desktop 1320 17007 22449240 /feeds/tag/terminal-server 1328 15805 20989040 /foo/23211/test 1490 11341 16898090 Let's say we want to convert those numbers to their comma-fied forms, like so /feeds/tag/remote-desktop 1,320 17,007 22,449,240 /feeds/tag/terminal-server 1,328 15,805 20,989,040 /foo/23211/test 1,490 11,341 16,898,090 (don't worry about fixing the fixed-width ASCII spacing, that's a problem for another day) This is the best regex I could come up with; it's based on this JavaScript regex solution from Regex Ninja Steven Levithan: return Regex.Replace(s, @"\b(?<!\/)\d{4,}\b(?<!\/)", delegate(Match match) { string output = ""; string m = match.Value; int len = match.Length; for (int i = len - 1; i >= 0 ; i--) { output = m[i] + output; if ((len - i) % 3 == 0) output = "," + output; } if (output.StartsWith(",")) output = output.Substring(1, output.Length-1); return output; }); In a related question, there is a very clever number comma insertion regex proposed: text = Regex.Replace(text, @"(?<=\d)(?=(\d{3})+$)", ",") However this requires an end anchor $ which, as you can see, I don't have in the above text -- the numbers are "floating" in the rest of the text. I suspect there is a cleaner way to do this than my solution? After writing this, I just realized I could combine them, and put one Regex inside the other, like so: return Regex.Replace(s, @"\b(?<!\/)\d{4,}\b(?<!\/)", delegate(Match match) { return Regex.Replace(match.Value, @"(?<=\d)(?=(\d{3})+$)", ","); });

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