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• Welcome to the FMW Install and Admin Proactive Team Blog

  - by Daniel Mortimer

  IntroductionWelcome to the Fusion Middleware Install and Administration Proactive Support blog.  This is our first post, so let's begin by introducing ourselves and our mission. Who We AreWe are a small team of support engineers based in Europe.  Our expertise covers all matters related to the installation and administration of Oracle Application Server 10g, Oracle Fusion Middleware 11g and future versions to come. We particularly focus on core components such as the Installers and Configuration Wizards Web Tier ( Oracle HTTP Server ) OPMN Enterprise Manager Console for Application Server as well as general questions / problems relating to patching, maintenance and architecture. Our Mission Improve the customer experience Enable customers to avoid / prevent issues when working with our products Enable faster resolution of problems when they occur Our Activities Enhancement and maintenance of our knowledge base In particular, develop and maintain special content such as the Fusion Middleware Information Centers and Lifecycle Support Advisors Seek continuous improvement of the product documentation Contribute to the Fusion Middleware Support News Moderation of the "Oracle Application Server" support community Participate in the Support Advisor Webcast program Involved in the Lifecycle of diagnostic tools such as RDA and OCM User Acceptance Testing Logging of enhancements and health check ideas Provide feedback to product management / development Logging of product bugs and enhancements Suggest improvements that could be made to web sites like OTN Promote new support documents, tools via channels such as Newsletter and Social Media We hope that this blog will be a two-way communication as we are interested in feedback on what we can improve. Many suggestions we can act on immediately while others may take more time, but all of them will be acknowledged and followed up.Thank you for your time and we look forward to both informing and working with you.Postscript: Many links you will find in our blog entries will require a login to My Oracle Support. For readers who do not have a login, please accept our apologies - when and where possible we will endeavour to ensure the links will supplement rather than replace wording in the blog entries.

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• How to sync Ubuntu/software/configurations between N computers with free software and/or without a cloud?

  - by skanatek

  Note: this question is not about syncing data in a Dropbox-like way (files, folders), it is more about syncing configurations. I would like to have exactly the same version of Ubuntu with all the software installed and configured both on my Desktop PC and on my Laptop PC (and maybe on my small netbook PC) without using Ubuntu Sync and with minimal maintenance effort (setup once, run for a long time). The use case is the following: I work on my Laptop PC and do some changes to software configuration, for example: configure vim to have a new plugin update the Search Tracker / Recoll file search index configure Thunderbird to have an additional IMAP account ('remember password') add some new bookmarks in Firefox/Chrome change the desktop background image install new software with apt-get install build and install new software with checkinstall etc. I do some 'sync' operation I switch to my Desktop PC and get all the changes from (1) working on the Desktop PC I work on my Desktop PC and do some changes to software configuration, for example: add new directory to the list of directories to be backed up by DejaDup add a new check spelling dictionary to the Libreoffice Writer configure the Terminator software to have colored fonts install new font into the Ubuntu system configure Ekiga to make phone calls etc. I do some 'sync' operation I switch to my Laptop PC and get all the changes from (1) and (4) working on the Laptop PC. Question: What free/open-source software can I use to sync both machines' Ubuntu systems, installed software and configurations? Is it possible to do that without any cloud services? Complementary question: It is obvious that the Desktop PC and the Laptop PC have different hardware configurations. How does the 'sync software' in question deal with video drivers, wlan drivers and their configurations? Note: I do not need all the PCs to be synced at the same time, because I work with only one single machine at once. Note: I considered to use Chef to solve the problem, but it seems that it might be really cumbersome to maintain such a setup. Note: I also considered using a bootable USB with Ubuntu installed (portable Linux), but I am not sure that the video drivers will work then.

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• Would you refactor this and if so, would you charge your client?

  - by Julius

  I am working on a freelance job at home. The client wants me to write some new functionality for his CMS, but it is taking me a lot of time to figure out what the code is doing, because it is written in a very unreadable style. Below is just an example of what I mean. The previous programmer made extensive use of anonymous functions, of eval(), he uses deeply nested ternary operators, he didn't indent code, didn't use comments, and he uses funny constructions like misusing the behaviour of logical operators || and && for creating if/else conditions (the second condition of && only gets tested if the first one is true, opening the possibility to use && as an if/else construction). All in all it's insane code and it's costing me a lot of time to find out how the current code works. return ($this->main->context != "ajax" || in_array($this->type, $this->definition->ajax)) ? eval('return method_exists($this,"Show'.ucfirst($this->type).'") ? $this->Show'.ucfirst($this->type).'('.(count($args) ? join(",",array_map(create_function('$a','return (is_numeric($a) || preg_match("/^array/",$a)) ? $a : "\"".$a."\"";'),$args)) : "").') : null;') : ''; Would you refactor this code and how would you handle this sort of thing with your client, I mean financially?

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• Common Live Upgrade problems

  - by user12611829

  As I have worked with customers deploying Live Upgrade in their environments, several problems seem to surface over and over. With this blog article, I will try to collect these troubles, as well as suggest some workarounds. If this sounds like the beginnings of a Wiki, you would be right. At present, there is not enough material for one, so we will use this blog for the time being. I do expect new material to be posted on occasion, so if you wish to bookmark it for future reference, a permanent link can be found here. Live Upgrade copies over ZFS root clone This was introduced in Solaris 10 10/09 (u8) and the root of the problem is a duplicate entry in the source boot environments ICF configuration file. Prior to u8, a ZFS root file system was not included in /etc/vfstab, since the mount is implicit at boot time. Starting with u8, the root file system is included in /etc/vfstab, and when the boot environment is scanned to create the ICF file, a duplicate entry is recorded. Here's what the error looks like. # lucreate -n s10u9-baseline Checking GRUB menu... System has findroot enabled GRUB Analyzing system configuration. Comparing source boot environment file systems with the file system(s) you specified for the new boot environment. Determining which file systems should be in the new boot environment. Updating boot environment description database on all BEs. Updating system configuration files. Creating configuration for boot environment . Source boot environment is . Creating boot environment . Creating file systems on boot environment . Creating file system for in zone on . The error indicator ----- /usr/lib/lu/lumkfs: test: unknown operator zfs Populating file systems on boot environment . Checking selection integrity. Integrity check OK. Populating contents of mount point . This should not happen ------ Copying. Ctrl-C and cleanup If you weren't paying close attention, you might not even know this is an error. The symptoms are lucreate times that are way too long due to the extraneous copy, or the one that alerted me to the problem, the root file system is filling up - again thanks to a redundant copy. This problem has already been identified and corrected, and a patch (121431-58 or later for x86, 121430-57 for SPARC) is available. Unfortunately, this patch has not yet made it into the Solaris 10 Recommended Patch Cluster. Applying the prerequisite patches from the latest cluster is a recommendation from the Live Upgrade Survival Guide blog, so an additional step will be required until the patch is included. Let's see how this works. # patchadd -p | grep 121431 Patch: 121429-13 Obsoletes: Requires: 120236-01 121431-16 Incompatibles: Packages: SUNWluzone Patch: 121431-54 Obsoletes: 121436-05 121438-02 Requires: Incompatibles: Packages: SUNWlucfg SUNWluu SUNWlur # unzip 121431-58 # patchadd 121431-58 Validating patches... Loading patches installed on the system... Done! Loading patches requested to install. Done! Checking patches that you specified for installation. Done! Approved patches will be installed in this order: 121431-58 Checking installed patches... Executing prepatch script... Installing patch packages... Patch 121431-58 has been successfully installed. See /var/sadm/patch/121431-58/log for details Executing postpatch script... Patch packages installed: SUNWlucfg SUNWlur SUNWluu # lucreate -n s10u9-baseline Checking GRUB menu... System has findroot enabled GRUB Analyzing system configuration. INFORMATION: Unable to determine size or capacity of slice . Comparing source boot environment file systems with the file system(s) you specified for the new boot environment. Determining which file systems should be in the new boot environment. INFORMATION: Unable to determine size or capacity of slice . Updating boot environment description database on all BEs. Updating system configuration files. Creating configuration for boot environment . Source boot environment is . Creating boot environment . Cloning file systems from boot environment to create boot environment . Creating snapshot for on . Creating clone for on . Setting canmount=noauto for in zone on . Saving existing file in top level dataset for BE as //boot/grub/menu.lst.prev. Saving existing file in top level dataset for BE as //boot/grub/menu.lst.prev. Saving existing file in top level dataset for BE as //boot/grub/menu.lst.prev. File propagation successful Copied GRUB menu from PBE to ABE No entry for BE in GRUB menu Population of boot environment successful. Creation of boot environment successful. This time it took just a few seconds. A cursory examination of the offending ICF file (/etc/lu/ICF.3 in this case) shows that the duplicate root file system entry is now gone. # cat /etc/lu/ICF.3 s10u8-baseline:-:/dev/zvol/dsk/panroot/swap:swap:8388608 s10u8-baseline:/:panroot/ROOT/s10u8-baseline:zfs:0 s10u8-baseline:/vbox:pandora/vbox:zfs:0 s10u8-baseline:/setup:pandora/setup:zfs:0 s10u8-baseline:/export:pandora/export:zfs:0 s10u8-baseline:/pandora:pandora:zfs:0 s10u8-baseline:/panroot:panroot:zfs:0 s10u8-baseline:/workshop:pandora/workshop:zfs:0 s10u8-baseline:/export/iso:pandora/iso:zfs:0 s10u8-baseline:/export/home:pandora/home:zfs:0 s10u8-baseline:/vbox/HardDisks:pandora/vbox/HardDisks:zfs:0 s10u8-baseline:/vbox/HardDisks/WinXP:pandora/vbox/HardDisks/WinXP:zfs:0 Solaris 10 9/10 introduces new autoregistration file This one is actually mentioned in the Oracle Solaris 9/10 release notes. I know, I hate it when that happens too. Here's what the "error" looks like. # luupgrade -u -s /mnt -n s10u9-baseline System has findroot enabled GRUB No entry for BE in GRUB menu Copying failsafe kernel from media. 61364 blocks miniroot filesystem is Mounting miniroot at ERROR: The auto registration file does not exist or incomplete. The auto registration file is mandatory for this upgrade. Use -k argument along with luupgrade command. autoreg_file is path to auto registration information file. See sysidcfg(4) for a list of valid keywords for use in this file. The format of the file is as follows. oracle_user=xxxx oracle_pw=xxxx http_proxy_host=xxxx http_proxy_port=xxxx http_proxy_user=xxxx http_proxy_pw=xxxx For more details refer "Oracle Solaris 10 9/10 Installation Guide: Planning for Installation and Upgrade". As with the previous problem, this is also easy to work around. Assuming that you don't want to use the auto-registration feature at upgrade time, create a file that contains just autoreg=disable and pass the filename on to luupgrade. Here is an example. # echo "autoreg=disable" /var/tmp/no-autoreg # luupgrade -u -s /mnt -k /var/tmp/no-autoreg -n s10u9-baseline System has findroot enabled GRUB No entry for BE in GRUB menu Copying failsafe kernel from media. 61364 blocks miniroot filesystem is Mounting miniroot at ####################################################################### NOTE: To improve products and services, Oracle Solaris communicates configuration data to Oracle after rebooting. You can register your version of Oracle Solaris to capture this data for your use, or the data is sent anonymously. For information about what configuration data is communicated and how to control this facility, see the Release Notes or www.oracle.com/goto/solarisautoreg. INFORMATION: After activated and booted into new BE , Auto Registration happens automatically with the following Information autoreg=disable ####################################################################### Validating the contents of the media . The media is a standard Solaris media. The media contains an operating system upgrade image. The media contains version . Constructing upgrade profile to use. Locating the operating system upgrade program. Checking for existence of previously scheduled Live Upgrade requests. Creating upgrade profile for BE . Checking for GRUB menu on ABE . Saving GRUB menu on ABE . Checking for x86 boot partition on ABE. Determining packages to install or upgrade for BE . Performing the operating system upgrade of the BE . CAUTION: Interrupting this process may leave the boot environment unstable or unbootable. The Live Upgrade operation now proceeds as expected. Once the system upgrade is complete, we can manually register the system. If you want to do a hands off registration during the upgrade, see the Oracle Solaris Auto Registration section of the Oracle Solaris Release Notes for instructions on how to do that. Technocrati Tags: Oracle Solaris Patching Live Upgrade var sc_project=1193495; var sc_invisible=1; var sc_security="a46f6831";

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• PLINQ Adventure Land - WaitForAll

  - by adweigert

  PLINQ is awesome for getting a lot of work done fast, but one thing I haven't figured out yet is how to start work with PLINQ but only let it execute for a maximum amount of time and react if it is taking too long. So, as I must admit I am still learning PLINQ, I created this extension in that ignorance. It behaves similar to ForAll<> but takes a timeout and returns false if the threads don't complete in the specified amount of time. Hope this helps someone else take PLINQ further, it definitely has helped for me ...  public static bool WaitForAll<T>(this ParallelQuery<T> query, TimeSpan timeout, Action<T> action) { Contract.Requires(query != null); Contract.Requires(action != null); var exception = (Exception)null; var cts = new CancellationTokenSource(); var forAllWithCancellation = new Action(delegate { try { query.WithCancellation(cts.Token).ForAll(action); } catch (OperationCanceledException) { // NOOP } catch (AggregateException ex) { exception = ex; } }); var mrs = new ManualResetEvent(false); var callback = new AsyncCallback(delegate { mrs.Set(); }); var result = forAllWithCancellation.BeginInvoke(callback, null); if (mrs.WaitOne(timeout)) { forAllWithCancellation.EndInvoke(result); if (exception != null) { throw exception; } return true; } else { cts.Cancel(); return false; } }

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• Exadata X3 In-Memory Database Machine: To be or not to be

  - by Luis Moreno Campos

  Since Larry Ellison announced Oracle Exadata X3 as the new generation of the Database Machine, he established the product in the In-Memory Database arena. And that annoyed some people. We all know that In-Memory Databases are the ones that *only* execute in memory and use the other layers of storage for persistency (mainly disk). Oracle database has always been a technology that uses memory as a caching mechanism and that hasn't change nor it will change with Oracle Database 12c. So this is the central point of fuss when it comes to announcing an Engineered Systems as In-Memory Database, when in fact it still runs Oracle Database, not vanilla but still the same product. Let me tell you purist people out there: when you find no new ground breaking point to get all excited about you decide to bash it, and go against its claims. It's not like a car manufacturer that launches a mini-van in the market and calls it a Sports Car, we are talking about a fundamental change in the ILM stack: level 2 of caching is now self sufficient. It's not DRAM? Who cares, still let's you put in flash amounts of data not done up until now, so I guess Oracle can name it whatever Larry wants because in the end it's something never done before. Now let's imagine that you hop on the pure In-Memory Database bandwagon. You would be stuck with a database technology that lags behind the Oracle Database hundreds of light years in man/hours innovations and features. Do you really want to travel back in time? Remember, the first rule about time travelling is that "Security is not Guaranteed". Your choice. LMC

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• Nvidia API mismatch

  - by Oli

  I had planned a day of relaxing with Portal 2 but on starting Steam (for the first time in a couple of weeks) I was greeted with the following message in the terminal: Error: API mismatch: the NVIDIA kernel module has version 270.41.19, but this NVIDIA driver component has version 270.41.06. Please make sure that the kernel module and all NVIDIA driver components have the same version. I'll confess I don't really know what it's talking about when it says driver. The verion of nvidia-current is 270.41.19. I thought that was the driver and module, all in one. I use the X-SWAT PPA and I have noted that the nvidia-settings package has boosted to 275.09.07. As this is just a settings application, I don't think this mismatch has anything to do with this. It's also not the same version as the problem being described. I'd rather not purge back to the standard Nvidia driver as it's less than stable on my GTX580. I would accept an answer that takes the manual setup and makes it recompile when the kernel recompiles (ie, some DKMS wizardry) but it has to work. I don't want to drop back to text-mode every time I restart after a kernel upgrade. Edit: Minecraft works without a single complaint about driver versions. Penumbra dies with roughly the same error when entering a game.

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• Oracle and Cavium to work together on Java SE 8 on 64-bit ARMv8

  - by Henrik Stahl

  We have been working for some time on a standard Oracle JDK 8 port to the upcoming introduction of 64-bit servers based on the new ARMv8 micro architecture. At ARM TechCon 2013 in Santa Clara, California, we announced a roadmap with an expected GA in 2015. This project is going very well and is ahead of schedule. We will soon be at the point where we will make binaries available outside of Oracle - first in a managed beta program with select customers/partners, and sometime during the fall of 2014 as a public early access program. Unless something changes, we are looking at a early 2015 GA. We should be able to share a detailed ramp down and GA plan by JavaOne 2014. One of the things we (obviously) need to produce a high-quality port is hardware for development and QA. We are therefore happy to announce that we will be collaborating with Cavium on this project. Cavium has been a supporter of the Java ecosystem for a long time and we have numerous joint customers running various Java versions on Cavium MIPS and ARM-based hardware. Cavium has now agreed to provide us with development hardware and engineering resources so that we can certify and optimize the initial Oracle JDK 8 release on Cavium's ThunderX hardware. This is expected to improve quality and performance of JDK 8 on ARMv8 in general, as well as on Cavium's hardware. For more information: Cavium announcement on the ThunderX product family Cavium announcement on Oracle collaboration As a reminder, we plan to release the Oracle JDK 8 port to 64-bit ARMv8 under the royalty-free (for general purpose servers etc) Binary Code License, but we have no current plans to open source it.

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• [Dear Recruiter] I developed in Mo'Fusion

  - by refuctored

  Forward: Sometimes I really feel like technology recruiters have no experience or knowledge of the field they are recruting for.  A warning to those companies hiring technical recruiters -- ensure that the technical recruiters you hire to fill a position are actually technical.  Here's proof below, where I make up completely ridiculous technologies, but still have interest from the recruiter for an interview. Letter to me: Hello - Your name came up as a possible match for a long term contract Cold Fusion Developer role I have in Bothell, WA.  This role requires you to be onsite in Bothell, WA. This is  a tough role to fill so I was hoping you might have someone you can recommend? Unfortunately no telecommute. Thank you! Sincerly, Mindy Recruiter My response: Mindy -- Wow I'm super-excited that you took the time to contact me about this position!  Let me tell you, you won't be disappointed with my skill set! Firstly, I've been developing in ColdFusion since 1993 before it was owned by Adobe and it was operating under code name, "Hot-Jack".  Recently I started developing under the Domain-View-Driven-Domain-Model (DVDDM), integrating client-side CF on Moobuntu.  Not only do I have a boat load of ColdFusion EXP,  I also have a ton of experience in the open source communities lesser known derivative of CF, Mo'Fusion (MF).  I've also invested thousands of hours of my time learning esoteric programming languages. Look forward to working with you! George And her response: Hi George – just left you a message. Give me a call at your convenience.  The role does require someone to be onsite here.. are you able to relocate yourself? Mindy [Sigh]

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• cygwin GNU make .net program piping inconsistent behavior

  - by Codism

  This question may sound like a superuser question but I feel there is something related to programming. Anyway, my computer had a fresh installation of Win 7 64 and cygwin recently. Now I observed some problem with pipe handling in gnu make file. The following is the Makefile I use to reproduce the issue: all: fsutil | cat my-dotnet-console.exe | cat The problem is: for the first command line, the piping works every time but for the second command line, the piping barely works - I got no result for the second command for most cases, regardless of the environment (cmd or bash) in which the make file is invoked. However, if I copy paste the second command line into cmd (or bash), the pipe works every time. The following is my .net program: static void Main(string[] args) { Console.WriteLine(new string('a', 40)); Console.Out.Flush(); } The make version is 3.82.90 but the same problem was observed in a previous version (because of the windows path handling problem in 3.82.9, I replaced make.exe with a previous version). I don't know the exact cygwin version I have installed but the current version on cygwin.com is 1.7.11-1. Currently, my work around is to redirect the output to a temporary file but it would be great if I can avoid the temporary file. Thanks

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• What are the best strategies for selling Android apps?

  - by Rob S.

  I'm a young developer hoping to sell my apps I made for Android soon. My applications are basically 99% finished so I'm investigating what would be the best marketing strategy to use to sell my apps. I'm sure the brilliant minds here can give me some great advice. I'm particularly interested in your thoughts on the following points (especially from experienced Android developers): Is it more profitable to sell an app for free with ads or to sell an app without ads for a price? Perhaps a combination of a free ad version and a paid ad-free version? If you give away an app for free with ads on it is it ethical to decline bending over backwards to support it? How much does piracy actually affect potential sales? Should any effort be put towards preventing it? Can you still make a profit off your application if you make it open source? Could you perhaps make more of a profit from the attention you would get by doing so? Is Google's Android Marketplace really the best place to release Android apps? It is worthwhile enough to maintain a developer blog or website to keep users updated on your development progress and software releases? Any other suggestions you could give me to maximize profit meanwhile keeping users happy and coming back for more would also be greatly appreciated. While I appreciate general tips and tricks, I'd like to ask that if possible you please go the extra step and show how they specifically apply to selling Android apps. Marketing statistics, developer retrospect, and any additional experience you can share from your time selling Android apps is what I would love to see most. Thank you very much in advance for your time. I truly appreciate all the responses I receive.

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• Is taking a semester or year off from college a good idea?

  - by astrieanna

  I am currently a Junior majoring in Computer Science at a top university (in the USA). As I'm really getting tired of taking classes, I was wondering if taking a semester or year off to do an internship(s) is a reasonable idea? It seems like it would give me more experience programming (making classes a bit easier), and give me a chance to recover from the burnout that comes from taking 18 credits a semester. A friend suggested that I just take a lighter course load, but I only have 2 more semesters of financial aid, so I need to take 18 credits in each of them in order to finish. Taking time off from school is not a normal thing to do, at least at this school. Since more internships are advertised for the summer (that I've seen), I was wondering if there are internships available in times other than the summer? If I took off for a whole year, would it be more valuable to try to stay at the same company for the whole time or to try to get a series of internships at different ones? Valuable in both the sense of resume value and personal value. Would it be easier or harder to get multiple shorter internships?

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• Advantages and Disadvantages of the Waterfall Methodology

  In my personal opinion I believe the waterfall method is one of the worst methodologies to use when developing larger systems because it leaves is no room for mistakes. As the name implies the waterfall methodology does not allow  for projects to go back up stream to recover from design errors, missing and/or limited requirements. In addition, hidden bugs are not usually found until the testing phase. This can prove to be very costly and time consuming to the developer and the client. According to NCycles.com, the waterfall methodology structures a project into separate stages with defined deliverables from each phase. Define Design Code Test Implement Document and Maintain The advantages found by Ncycle.com to this methodology are: Ease in analyzing potential changes  Ability to coordinate larger teams, even if geographically distributed Can enable precise dollar budget Less total time required from Subject Matter Experts The disadvantages found by Ncycle.com to this methodology are: Lack of flexibility Hard to predict all needs in advance Intangible knowledge lost between hand-offs Lack of team cohesion Design flaws not discovered until the Testing phase References: NCycles.com  (2002). Retrieved from http://www.ncycles.com/e_whi_Methodologies.htmmethodology on April 17, 2009

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• Suitable SDK to develop quick game?

  - by gRnt

  I'm currently undertaking a personal project at home that I need to turn around inside the next few months (which working full time and still learning programming makes it a tad difficult). I'm looking for suggestions on SDK's or tools (preferably free or that come with games, similar to steam tools) that I can use to develop a "game". I'm OK with coding but have no 3D development skills at all. I've very little experience with mod tools or SDK's at all but I'm hoping someone can point me in the direction of one that does the following: A decent library of prefab 3D models to build scenes. Ability to add scripting to the scene I've used Unity before and would prefer to continue to do so however I really have the worst 3D skills imaginable and can't waste time learning them. I'd be looking for pre-fab items that are both industrial and possibly more lush environments (trees etc). If it makes any difference (due to licencing and what-not) I WILL NOT be selling this game or marketing it in any way and I am a University Student if any places do educations licences. Another alternative would be to source free 3d models elsewhere but again while I'm still learning I have no idea where to look if someone could point me in the right direction I'll do the rest of the digging. Thanks

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• Monitor network connectivity in WP7 apps

  - by Daniel Moth

  Most interesting Windows Phone apps rely on some network service for their functionality. So at some point in your app you may need to know programmatically if there is network connection available or not. For example, the Translator by Moth app relies on the Bing Translation service for translations. When a request for translation (text or voice) is made, the network call may fail. The failure reason is not evident from any of the return results, so I check the connection to see if it is present. Dependent on that, a different message is shown to the user. Before the translation phase is even reached, at the app start up time the Bing service is queried for its list of  languages; in that case I don't want to show the user a message and instead want to be notified when the network is available in order to send the query out again. So for those two requirements (which I imagine are common in other apps) I wrote a simple wrapper MyNetwork static class to the framework APIs: Call once MyNetwork.MonitorNetworkAvailability() method so it monitors the network change At any time check the MyNetwork.IsConnected property to check for network presence Subscribe to its MyNetwork.ConnectionEstablished event Optionally, during debugging use its MyNetwork.ChangeStatus method to simulate a change in network status As usual, there may be better ways to achieve this, but this class works perfectly for my scenarios. You can download the code here: MyNetworks.cs. Comments about this post welcome at the original blog.

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• A lot has happened since last post!!!!!!!!!

  - by Ratman21

  And I mean a lot! First off had two interviews (one was selling insurance) and other installing cable. I have more hope for the cable one. Getting more emails from my job search engines (having problems with going through them and applying for those jobs, I know I can do). It seems the more I apply to, the more job emails pop up in my in box. But at the same time I am fighting feelings of worthlessness (18 months and no job). It is putting a strain on my marriage (We had had blow out over a broken drinking glass since I last posted).     But, at the same time, I am fighting mad about (a figure of speech, really) not having a job. Look just because I am over 55 and have gray hair. It does not mean, my brain is dead or I can not longer trouble shoot a router or circuit or LAN issue. Or that I can do “IT” work at all. And I could prove this if; some one would give me at job. Come on try me for 90 days at min. wage.   I know you will end up keeping me (hope fully at normal pay) around. Is any one hearing me…come on take up the challenge!

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• How do I account for changed or forgotten tasks in an estimate?

  - by Andrew

  To handle task-level estimates and time reporting, I have been using (roughly) the technique that Steve McConnell describes in Chapter 10 of Software Estimation. Specifically, when the time comes for me to create task-level estimates (right before coding begins on a project), I determine the tasks at a fairly granular level so that, whenever possible, I have no tasks with a single-point, 50%-confidence estimate greater than four hours. That way, the task estimation process helps with constructing the software while helping me not to forget tasks during estimation. I come up with a range of hours possible for each task also, and using the statistical calculations that McConnell describes along with my historical accuracy data, I can generate estimates at other confidence levels when desired. I feel like this method has been working fairly well for me. We are required to put tasks and their estimates into TFS for tracking, so I use the estimates at the percentage of confidence I am told to use. I am unsure, however, what to do when I do forget a task, or I end up needing to do work that does not neatly fall within one of the tasks I estimated. Of course, trying to avoid this situation is best, but how do I account for forgotten/changed tasks? I want to have the best historical data I can to help me with future estimates, but right now, I basically am just calculating whether I made the 50%-confidence estimate and whether I made it inside the ranged estimate. I'll be happy to clarify what I'm asking if needed -- let me know what is unclear.

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• Should I ditch a creative pet project in lieu of one that would demonstrate skills more applicable to an employer?

  - by Hart Simha

  I am currently working on a project on github that I think would be a good demonstration of my initiative, creativity and enthusiasm. It is an educational game I am developing in pygame that enables the user to learn to improve their development productivity by using vim, specifically with python, though learning to code faster with vim should be transferable to any language. I think this is something that might have a mass appeal and benefit to a lot of people in a measurable way. -However- I am graduating from college in a month (my degree is computer science with a minor in english), with no experience that is relevant to helping me get any kind of job in the field, and a gpa that doesn't tout my merits. I could pursue a career in game development, but it's not necessarily what I'm most interested in, and see myself applying to startups around the country. To the places I am looking at applying, showing that I have experience with pygame is going to be largely irrelevant, except in demonstration of my ability to code, period. A lot of skills that ARE more marketable, such a data modeling, GIS, mobile development, javascript, .net framework, and various web development technologies, are not going to be showcased by this project (on the upside, employers do like to see familiarity with git and python). I'm wondering if I should sink all my free time in the next couple of months into this project, since I'm motivated and interested in it, and if the value of being able to demonstrate ambition and 'good ideas' (for lack of a better term, and in my own opinion) will compensate for the absence of demonstrating more sought-after skills. I am probably at a point where I should either commit fully to this project now, or put it on the backburner in favor of something else, and I am leaning towards continuing with what I am already working on, because I think it's a great idea, and something achievable to me with enough dedication over the next couple months. But the most important thing to me is being able to get a job out of college, which I am exceedingly concerned about as the professional landscape which I am navigating for the first time is a lot more intimidating than I could have anticipated, with almost every job (even short-term contract positions) requiring years of experience which I lack. Oh, and in case anyone is interested, my repository is here: www.github.com/hmsimha/vimagine

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• Should GeeksWithBlogs move to the Wordpress Platform?

  - by Martin Hinshelwood

  Geekswithblogs was my first ever blog and my first post was on 22nd June 2006. Since then very little functionality has been added. This is not a complaint, but rather an observation that it is very hard to keep up with all of the blogging capabilities that people want. My point would be: “Why bother!” Vote now for a migration of the awesome Geekswithblogs content from SubText to Wordpress. Having been a long time user of GWB I have been worried of late by my envy of other blogging platforms. I made a number of requests around 10 months ago for things that almost all blogging platforms provide, but which are not available on GWB. Support other comment frameworks – The current comment system is so antiquated that it does not even have the common filters like Facebook, twitter or Google login to help prevent spam. Tags are not listed in the RSS – This can prevent you from getting the Google juice that you deserve 301 redirects to a single URL– If you use a custom URL then all your posts are split between both the GWB URL and the custom one. This is VERY bas for SEO. I realise that it is difficult to find time to add all of the features that all the uber geeks on this site want, so why bother… lets move to the most popular and moded platform available and allow everyone to add whatever widgets they like. Figure: Vote for Geekswithblogs moving to Wordpress Why would I want this? There are over 13k plugins available Easy augmentation model Full mobile support Regular releases lots more… This could be a turning point in the legendary history of Geeks With Blogs, be part of it… What can I do to make this happen? I need your help to make this happen: Vote for it Discuss it

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• My boss is feuding with his boss. My workload is expanding What should I do?

  - by steve

  These two have always had a somewhat shaky relationship when they were on the same level. The other guy was recently promoted to director and now my boss reports to him. On the surface, they appear to get along when they get together, but my boss despises the man and badmouths him every chance that he gets (to peers, subordinates, etc). He believe that the director is setting him up to fail. The Director and upper management is holding my boss responsible for the not-so-great performance by the team as of late. He's been playing games to make my boss look bad. Due to lay offs, we don't have the manpower to deliever the results that we did before...but expectations have not lowered...and my boss is taking the heat for it. Now he's on the warpath and starting to micromanage. He's giving everyone more work. He's forcing us midlevel guys to take responsibility for the level one techs' performance. I'm spending less and less time coding....and more time babysitting vendors, techs, etc. I'm not so sure that's a bad thing because I'm sorta burnt out on coding, but I don't really care for the idea of having to be responsible for others poor performance....isn't that the manager's job? Anyway, do you guys have any suggestions on dealing with the situation?

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• How to find keycodes for Fn + keys in Ubuntu 11.10

  - by budwiser

  I'm trying to find out the keycode for Fn+? keypress (left arrow). Xev outputs FocusOut event, serial 36, synthetic NO, window 0x3c00001,    mode NotifyGrab, detail NotifyAncestor FocusIn event, serial 36, synthetic NO, window 0x3c00001,    mode NotifyUngrab, detail NotifyAncestor KeymapNotify event, serial 36, synthetic NO, window 0x0,    keys:  4294967213 0   0   0   0   0   0   0   0   0   0   0   0   0   0   0              0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   If it is telling me the keycode here, I'm not able to interpret it so help would be appreciated. I'm also curious for finding out if it's possible to bind something to Fn+Del but when trying out this combination, Xev outputs KeyPress event, serial 36, synthetic NO, window 0x3c00001, root 0xad, subw 0x0, time 1984903, (-666,480), root:(53,533), state 0x0, keycode 119 (keysym 0xffff, Delete), same_screen YES, XLookupString gives 1 bytes: (7f) " " XmbLookupString gives 1 bytes: (7f) " " XFilterEvent returns: False KeyRelease event, serial 36, synthetic NO, window 0x3c00001, root 0xad, subw 0x0, time 1985008, (-666,480), root:(53,533), state 0x0, keycode 119 (keysym 0xffff, Delete), same_screen YES, XLookupString gives 1 bytes: (7f) " " XFilterEvent returns: False which is exactly the same as pressing del without Fn. So, summary for short How can I find keycode for Fn+? (left arrow)? Is it even possible to bind something to Fn+Del or am I facing windmills here?

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• Javascript: Machine Constants Applicable?

  - by DavidB2013

  I write numerical routines for students of science and engineering (although they are freely available for use by anybody else as well) and am wondering how to properly use machine constants in a JavaScript program, or if they are even applicable. For example, say I am writing a program in C++ that numerically computes the roots of the following equation: exp(-0.7x) + sin(3x) - 1.2x + 0.3546 = 0 A root-finding routine should be able to compute roots to within the machine epsilon. In C++, this value is specified by the language: DBL_EPSILON. C++ also specifies the smallest and largest values that can be held by a float or double variable. However, how does this convert to JavaScript? Since a Javascript program runs in a web browser, and I don't know what kind of computer will run the program, and JavaScript does not have corresponding predefined values for these quantities, how can I implement my own version of these constants so that my programs compute results to as much accuracy as allowed on the computer running the web browser? My first draft is to simply copy over the literal constants from C++: FLT_MIN: 1.17549435082229e-038 FLT_MAX: 3.40282346638529e+038 DBL_EPSILON: 2.2204460492503131e-16 I am also willing to write small code blocks that could compute these values for each machine on which the program is run. That way, a supercomputer might compute results to a higher accuracy than an old, low-level, PC. BUT, I don't know if such a routine would actually reach the computer, in which case, I would be wasting my time. Anybody here know how to compute and use (in Javascript) values that correspond to machine constants in a compiled language? Is it worth my time to write small programs in Javascript that compute DBL_EPSILON, FLT_MIN, FLT_MIN, etc. for use in numerical routines? Or am I better off simply assigning literal constants that come straight from C++ on a standard Windows PC?

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• IIM Calcutta &ndash; EPBM 14 &ndash; Campus Visit &ndash; Day 2 &ndash; IS_Strategy and Internationa

  - by Ram Shankar Yadav

  Hey Guys~ So the second day of the week starts, and we were all set for coming sessions on : - IS & Strategy and, - Changing Geo-politics & Business Environment We did our daily chores, rushed for breakfast, and reached Auditorioum, almost on time. IS & Strategy session was quite informative and interactive, and the prof. gave lot of examples, and it really gives us solid understanding by relating things with examples. Then goes the lunch, but the IS session over shoot for 15 minutes so our idea of taking a nap in lunch was not working out, but anyway we did our lunch and tried to sleep for 10-15 minutes. We got back and session on International Business started. Frankly, it’s a great topic, but we had tough time to be attentive, and it was hard to keep ourselves awake :P Anyhow the session came to an end, and we went to Library, and roamed around campus. Got back, had dinner, and went for a night walk, and ice-cream party. Lastly we did went to the platform inside the lake, and had a gag session, got back and  did “ITC eChaupal” case study. We have planned to visit Kali Mandir tomorrow, so I’ve to sleep for few hours…GN! Stay tuned for more… ram :)

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• CodePlex Daily Summary for Thursday, November 03, 2011

  CodePlex Daily Summary for Thursday, November 03, 2011Popular ReleasesFlagConsole: 1.0.1: BUGFIXES: - Fixed a bug, which caused the label not to draw a word, if it had the same length as the label's length.Nearforums - ASP.NET MVC forum engine: Nearforums v7.0: Version 7.0 of Nearforums, the ASP.NET MVC Forum Engine, containing new features: UI: Flexible layout to handle both list and table-like template layouts. Theming - Visual choice of themes: Deliver some templates on installation, export/import functionality, preview. Allow site owners to choose default list sort order for the forums. Forum latest activity. Visit the project Roadmap for more details.?????????? - ????????: All-In-One Code Framework ??? 2011-11-02: http://download.codeplex.com/Project/Download/FileDownload.aspx?ProjectName=1codechs&DownloadId=216140 ??????，11??，?????20????Microsoft OneCode Sample，????6?Program Language Sample，2?Windows Base Sample，2?GDI+ Sample，4?Internet Explorer Sample?6?ASP.NET Sample。?????????????。 ????，?????。http://i3.codeplex.com/Project/Download/FileDownload.aspx?ProjectName=1code&DownloadId=128165 Program Language CSImageFullScreenSlideShow VBImageFullScreenSlideShow CSDynamicallyBuildLambdaExpressionWithFie...Python Tools for Visual Studio: 1.1 Alpha: We’re pleased to announce the release of Python Tools for Visual Studio 1.1 Alpha. Python Tools for Visual Studio (PTVS) is an open-source plug-in for Visual Studio which supports programming with the Python programming language. This release includes new core IDE features, a couple of new sample libraries for interacting with Kinect and Excel, and many bug fixes for issues reported since the release of 1.0. For the core IDE features we’ve added many new features which improve the basic edit...BExplorer (Better Explorer): Better Explorer 2.0.0.631 Alpha: Changelog: Added: Some new functions in ribbon Added: Possibility to choose displayed columns Added: Basic Search Fixed: Some bugs after navigation Fixed: Attempt to fix slow navigation and slow start Known issues: - BreadcrumbBar fails on some situations - Basic search not work quite well in some situations Please if anyone find bugs be kind and report them at the Issue Tracker! Thanks!DotNetNuke® Community Edition: 05.06.04: Major Highlights Fixed issue with upgrades on systems that had upgraded the Telerik library to 6.0.0 Fixed issue with Razor Host upgrade to 5.6.3 The logic for module administration checks contains incorrect logic in 1 place, opening the possibility of a user with edit permissions gaining access to functionality they should not have through a particularly crafted url Security FixesBrowsers support the ability to remember common strings such as usernames/addresses etc. Code was adde...Terminals: Version 2.0 - Beta 2 Release: The team has finally put the nail into the official release date for version 2.0. As bugs are winding down on the 2.0 Roadmap we decided to push out another build - the first 2.0 Beta build. Please take time to use and abuse this release. We left logging in place, and this is a debug build so be sure to submit your logs on each bug reported, and please do report all bugs! Check the source code page on the site, this beta includes all commits since (and including) the 90428 check-in back i...iTuner - The iTunes Companion: iTuner 1.4.4322: Added German (unverified, apologies if incorrect) Properly source invariant resources with correct resIDs Replaced obsolete lyric providers with working providers Fix Pseudolater to correctly morph every third char Fix null reference in CatalogBaseTrack Folder Changes: Track Folder Changes 1.0: Track Folder Changes 1.0 (binary)Devpad: 4.6: Whats new for Devpad 4.6: New Recent Files New Run in Safari Minor Bug Fix's, improvements and speed upsWindows Workflow Foundation on Codeplex: Microsoft.Activities v1.8.8: Microsoft.Activities Overview How do I install Microsoft.Activities? Updates in this release9318Technical Analysis Engine for .NET: Technical Analysis Engine 1.25: What's new in the 1.25 release (2011-11-01): - Added Williams %R indicator - Added Moving Average Envelopes indicatorBoxWorld: BoxWorld_2011.10.30: BoxWorld - 8.0.1110.30 This is the initial release of BoxWorld. I'd recommend downloading the installer as it contains the compiled code and everything all nicely contained. By default, you end up with this directory structure: C:\Program Files\ViperWorks\BoxWorld C:\Program Files\ViperWorks\BoxWorld\Data C:\Program Files\ViperWorks\BoxWorld\Interface C:\Program Files\ViperWorks\BoxWorld\Source In the root you have the compiled EXE files, one for the main release, one for the LITE release ...VidCoder: 1.2.1: Fixed a couple regressions: video encoder was blank in queue and crashes with the High Profile preset when opening the Settings window. Fixed problem with auto-update introduced in 1.2.0. If you have 1.2.0 you will need to update manually to get this.AssaultCube Reloaded: Release 2.3: THE RELEASE YOU'VE ALL BEEN WAITING FOR! IT CAN NOW BE CONSIDERED STABLE Linux has Debian 64-bit precompiled binaries, but you can compile your own as it also contains the source. If you are using Mac or other operating systems, download the Linux package. The server pack is ready for both Windows and Linux, but you might need to compile your own for linux (source included) If you are using Windows and require the source code, download the source package!A Microblog API (SINA weibo.com open API in C#, .Net???????API): AMicroblogAPI v1.0: AMicroBlogAPI is a C# implementation, a strong-typed deep encapsulation, a easy-to-use .net wrapper of SINA microblog API v1.0. App developers no longer need to parse various HTTP responses -- all responses are parsed into strong types; No longer need to construt the request query strings -- just simply gives the values of parameters; No longer need to implement the OAuth -- a single call could logs the user on. In this release (AMicroblogAPI v1.0), all basic data APIs are implemented. For ...patterns & practices: Enterprise Library Contrib: Enterprise Library Contrib - 5.0 (Oct 2011): This release of Enterprise Library Contrib is based on the Microsoft patterns & practices Enterprise Library 5.0 core and contains the following: Common extensionsTypeConfigurationElement<T> - A Polymorphic Configuration Element without having to be part of a PolymorphicConfigurationElementCollection. AnonymousConfigurationElement - A Configuration element that can be uniquely identified without having to define its name explicitly. Data Access Application Block extensionsMySql Provider - ...Network Monitor Open Source Parsers: Network Monitor Parsers 3.4.2748: The Network Monitor Parsers packages contain parsers for more than 400 network protocols, including RFC based public protocols and protocols for Microsoft products defined in the Microsoft Open Specifications for Windows and SQL Server. NetworkMonitor_Parsers.msi is the base parser package which defines parsers for commonly used public protocols and protocols for Microsoft Windows. In this release, NetowrkMonitor_Parsers.msi continues to improve quality and fix bugs. It has included the fo...Duckworth Lewis Professional Edition Calculator: DLcalc 3.0: DLcalc 3.0 can perform Duckworth/Lewis Professional Edition calculations 100% accurately. It also produces over-by-over and ball-by-ball PAR score tables.Media Companion: MC 3.420b Weekly: Ensure .NET 4.0 Full Framework is installed. (Available from http://www.microsoft.com/download/en/details.aspx?id=17718) Ensure the NFO ID fix is applied when transitioning from versions prior to 3.416b. (Details here) Movies Fixed: Fanart and poster scraping issues TV Shows (Re)Added: Rebuild single show Fixed: Issue when shows are moved from original location Ability to handle " for actor nicknames Crash when episode name contains "<" (does not scrape yet) Clears fanart when switch...New ProjectsASP.NET MVC fluent validation framework: FluentMvc allow you to create validatable models without using any validation attributes.BeanPermutator: The BeanPermutator library provides a robust permutations engine. It was designed with framework API, optimal performance, and memory usage in mind. For performance, the implementation is modeled after STL's next_permutation; except with added support for conditional result sets.Cicero: Cicero is a library/application to programmatically analyze managed crash dumps. It provides a managed API to load dumps and look at managed objects, using [url:SOS|http://msdn.microsoft.com/en-us/library/bb190764.aspx] under the covers.CodePlex Windows Phone App: This project deals with how to browse efficently through codeplex website using windows phone capabilities.Collage: A photo collage screensaver.Docs Professional Archiving System: This application basically provides a professional audit compliant archiving system with storage service.EBSCOLunch: This app simply shows ebsco's lunch menu. It runs in the system tray and when clicked on shows today's cafeteria specials.Emesary: C# Interobject communication and application mssaging: Simple quick and efficient class based interobject communcation to allow decoupled disparate parts of a system to function together without knowing about each, e.g GUI, DB and business logic.Enterprise Data Entry, Reporting and Analysis Tool: This project will have app with different modules that will show the interface tools functions based on the designation of an employee as defined in Active Directory. Example: A team manager can view all the details regarding his immediate subordinates. Financial date and time libary: Date and time routines that know about holidays, rolling conventions, and day count fractions.Frame Work Model by Patán: Proyecto de modelado de FrameworkIttxa: Is in Alpha releaseKooboo CMS data sync module: Kooboo cms data export / import module.MetroBlog: A Windows 8 Metro inspired blog. Mosque: In the name of GOD this is a portalMPO tools: A .net library for parsing .mpo stereo images (in Multi-Picture Format).mytest5: my testtttttttttNetflix MVP Example: Example .NET movie application using the MVP pattern with windows forms and WPF. Uses the Netflix Odata service to get movie information.OpenStreetMap2Oracle: OpenStreetMap2Oracle is a windows application, which exports OpenStreetMap Data (*.osm - files) in an oracle database. The geometries will be stored in oracle's SDO_GEOMETRY datatype. It is developed in C Sharp with modern WPF - UI. PSRR - Remote Registry PowerShell 3.0 Module: Remote Registry PowerShell Module to manage the registry with Windows PowerShell. This version supports the new improvement in .NET 4 to specify a 32-bit or 64-bit view of the registry with the Microsoft.Win32.RegistryView enumeration when you open base keys.Raptor-Plus-Plus: CS240 class project Reset IPv6: Troubleshooting Pack to reset virtual IPv6 interfaces on Windows 7 (ISATAP, Teredo, IPHTTPS and 6to4)resurection: Game for WP7SharePoint 2010 Google Maps Web Part for Sandbox and Farm Solutions: The Google Maps Web Part lets you quickly and easily add Google Maps to your Microsoft SharePoint 2010 pages. Compatible with SharePoint 2010, SharePoint 2010 SP1 and SharePoint Online, via Office 365.SPLight UTL Sharepoint 2010 BackUp / Restore UI: Sharepoint 2010 BackUp / Restore UI Sharepoint 2010 backUp restore user interface site collection backup restore graphical user interfaceVisual Image Processing: Visual Image processing for 2d or 3d real-time video or still image from camera or web cam or scanner ... XNA4LED: XNA 4.0 LED Billboard Example

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• Component-wise GLSL vector branching

  - by Gustavo Maciel

  I'm aware that it usually is a BAD idea to operate separately on GLSL vec's components separately. For example: //use instrinsic functions, they do the calculation on 4 components at a time. float dot = v1.x*v2.x + v1.y * v2.y + v1.z * v2.z; //NEVER float dot = dot(v1, v2); //YES //Multiply one by one is not good too, since the ALU can do the 4 components at a time too. vec3 mul = vec3(v1.x * v2.x, v1.y * v2.y, v1.z * v2.z); //NEVER vec3 mul = v1 * v2; I've been struggling thinking, are there equivalent operations for branching? For example: vec4 Overlay(vec4 v1, vec4 v2, vec4 opacity) { bvec4 less = lessThan(v1, vec4(0.5)); vec4 blend; for(int i = 0; i < 4; ++i) { if(less[i]) blend[i] = 2.0 * v1[i]*v2[i]; else blend[i] = 1.0 - 2.0 * (1.0 - v1[i])*(1.0 - v2[i]); } return v1 + (blend-v1)*opacity; } This is a Overlay operator that works component wise. I'm not sure if this is the best way to do it, since I'm afraid these for and if can be a bottleneck later. Tl;dr, Can I branch component wise? If yes, how can I optimize that Overlay function with it?

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