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• My wife has left me . . .

  - by fatherjack

  LiveJournal Tags: Leaving,Colleagues She announced it before Christmas, in a letter, giving the exact day she intended to leave and what she had planned for her future. We met 8 years ago. We were looking for a data administrator for a CRM system in the company and she was the stand out candidate. She got hired. We got married. In the last eight years we have lived and worked together in an excellent partnership, we have talked work whilst commuting, over dinner and sometimes on holiday. We...(read more)

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• Converting large files in python

  - by Cenoc

  I have a few files that are ~64GB in size that I think I would like to convert to hdf5 format. I was wondering what the best approach for doing so would be? Reading line-by-line seems to take more than 4 hours, so I was thinking of using multiprocessing in sequence, but was hoping for some direction on what would be the most efficient way without resorting to hadoop. Any help would be very much appreciated. (and thank you in advance) EDIT: Right now I'm just doing a for line in fd: approach. After that right now I just check to make sure I'm picking out the right sort of data, which is very short; I'm not writing anywhere, and it's taking around 4 hours to complete with that. I can't read blocks of data because the blocks in this weird file format I'm reading are not standard, it switches between three different sizes... and you can only tell which by reading the first few characters of the block.

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• Welcome to our Friday tips series!

  - by Chris Kawalek

  Today we're starting a brand new blog series. For your Friday afternoon reading, we'll be posting a technical tip or question and answer on a technical topic. We'll start by introducing ideas on our own, but we'd really like it if you were involved and asked us questions via Twitter! Tag your tweet with #AskOracleVirtualization and we'll consider your question for the blog. Today's tip is on Storage and Oracle Virtual Desktop Infrastructure: Question: I run Oracle Virtual Desktop 3.4.1 on Solaris and use a local ZFS storage pool.  How should I configure my ZFS ARC cache?  Answer by John Renko, Consulting Developer, Oracle: Oracle recommends about 5G of ARC cache per template in use to achieve up to a 90% disk read offload. Set your ARC min=max to reserve the maximum amount of your remaining memory for your running VMs. In /etc/system: set zfs:zfs_arc_min = 5368709120 set zfs:zfs_arc_max = 5368709120 The amount you need to reserve will depend on your template but this has proven to be a great start for a typical windows 7 VM running productivity applications.

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• Rules of Holes #5: Seek Help to Get Out of the Hole

  - by ArnieRowland

  You are moving along, doing good work, maintaining a steady pace. All seems to be going well for you. Then BAM!, a Hole just grabbed you. How the heck did that happen? What went wrong? How did you fall into a Hole? Definitely, you will want to do a post-mortem and try to tease out what misteps led you into the Hole. Certainly you will want to use this opportunity to enhance your Hole avoidance skills. But your first priority is to get out of this Hole right NOW.. Consider the Fifth Rule of Holes...(read more)

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• NPOT texture and video memory usage

  - by Eonil

  I read in this QA that NPOT will take memory as much as next POT sized texture. It means it doesn't give any benefit than POT texture with proper management. (maybe even worse because NPOT should be slower!) Is this true? Does NPOT texture take and waste same memory like POT texture? I am considering NPOT texture for post-processing, so if it doesn't give memory space benefit, using of NPOT texture is meaningless to me. Maybe answer can be different for each platforms. I am targeting mobile devices. Such as iPhone or Androids. Does NPOT texture takes same amount of memory on mobile GPUs?

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• Publishing Websites From VS.NET 2013 to Azure

  - by D'Arcy Lussier

  Originally posted on: http://geekswithblogs.net/dlussier/archive/2013/10/24/154459.aspxScott Gu recently announced the release of the Azure SDK 2.2. This includes a tonne of new features for accessing Azure resources from within Visual Studio 2013. You can read Scott’s blog post here. One feature is integrated Windows Azure sign in from within Visual Studio. I put a short video together showing how easy it is to publish a web application to Azure Websites. You can check it out here: http://youtu.be/eiuhJbwhZsQ (I couldn’t get it to display properly by embedding, definitely needs the wide-screen 720p view for best viewing) And yes, you can access James Chambers Karaoke Fansite live on Azure! Resources: Azure SDK 2.2 https://www.windowsazure.com/en-us/develop/net/ VS.NET 2013 Express http://www.microsoft.com/visualstudio/eng/downloads#d-2013-express

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• Does Hauppauge WinTVR 900H work with Digital TV in the UK

  - by SimplySimon

  I have been trying to sort out my Hauppauge WinTV 900H USB Tuner. Here in the UK, we do not have Analogue TV any more as we are fully converted to digital. I have had this working in Windows a while ago, but am having no joy in Ubuntu 13.04 all I get is a blue screen and no settings for the UK. Can anyone advise me how to set this up on my laptop. I have tried: Does Hauppauge WinTV HVR-900 (r2) [USB ID 2040:6502] work with ubuntu 12.04 LTS? I am using TVTime I have also read this page, which makes me think that this unit can only receive Analogue signals, which are no longer transmitted in the UK (which could be my problem!) Laptop Specifications: Intel® Core™ i3-2350M CPU @ 2.30GHz × 4 Intel® Sandybridge Mobile 6MB RAM Any advice would be greatly appreciated.

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• i have xp partitioned and formatted fat32 it says it needs to be bootable to install ubuntu how do i do that? [duplicate]

  - by Rob Bailey

  This question already has an answer here: How do I install Ubuntu? 4 answers I have partitioned the hard drive and formatted it fat 32 as it is only 16gig. I have just read that I should not partition the hard drive so I have deleted the partition, I noticed that if i re-partition it my options would be NTFS, Fat32 or exfat. I tried to install ubuntu 12.10 but it flashed up something along the lines of the partition is not bootable and it must be for ubuntu to install. I know my copy works as a friend installed it over his copy of windows and it works perfect, I have ubuntu on my flashdrive, I want to run it along side xp.

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• Learning Java with a simple project

  - by phodu_insaan

  As i remember the time when i was learning PHP, it was suggested to build a simple blog or a forum after reading the language fundamentals. I was told/read that this would cover everything that I would need to learn about PHP from a beginners book. This advice was out there in a number of places, and after following and working with PHP it seems quite good advice. Now, i am learning Java and reading the book "Thinking in Java" by Bruce Eckel. I wonder if there is any such set of similar, small projects that I could take up, that would cover all the essentials and most of what is covered in the book.

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• is it ok to have 2 sitemaps on 1 website?

  - by user615041

  Do I have to have a sitemap page on my index page for bots to read it or can I just have it anywhere on my server? I have a phpbb/wordpress integration and I need 2 sitemaps mods for each one (or I need to have them somehow integrated together into one xml sitemap). Is this possible? Whats my best option? I would have the phpbb one something like this: http://www.example.com/phpbb/sitemap.html and the wordpress one something like this: http://www.example.com/wordpress/sitemap.html and then I would submit both off..but not have the links on my footer to confuse anyone.., the sitemaps would strictly be for search engines. Is this a good idea? what are you thoughts?

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• Bomb timer adventure game win32 c++ [on hold]

  - by user3491746

  I'm working on an adventure game in win32 and opengl for my 2nd year university project for class. I am pretty much finished my game but I'm stuck on the concept of how to program a timer which outputs hh : mm : ss -- but which countdown, not up. I've made a clock which counts up using vector matrices and the segxseg matrix algorithm but I cannot figure out how to make a clock (it can be simple even text using wsprintf) that counts down in that format. Can anyone possible give me an example or some literature that I can read on how to do this? Please dont suggest for me to use another environment, I've already been working here for 2 months on this game, and I'm pretty much done so i'm at no point to switch over. Can anyone show me how I can take a shot at this component of my project? Thanks a bunch! Anything that I can get is appreciated.

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• Awesome line up for SQLBits 8

  - by simonsabin

  We’ve got some really exciting things happening at SQLBits 8. I’ve been dying to tell everyone since I found out. The first is our line up from  Microsoft. We mentioned in the announcement of SQLBits that the SQLCAT team would be back. Well thats just the tip of the iceberg. Today we have announced that we will have the following speakers from the SQL Team. Mark Souza – General Manager for SQL Server Thomas Kejser - Senior Program Manager, SQL Server CAT Lubor Kollar – Principal Group Program...(read more)

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• Configuring JMS and Message Queues in GlassFish - Sample Chapter

  - by arungupta

  PacktPub released Java EE 6 with GlassFish 3 Application Server a few months after the first version in GlassFish 3 train was released. This book is a practical guide to install and configure the GlassFish 3 Application Server and develop and deploy Java EE 6 applications on this server. Recently they released a sample chapter on how to configure JMS and message queues in GlassFish. The chapter provide complete snapshots from the web-based admin console and working sample code. The Table of Contents shows that all major Java EE 6 APIs and the details of the GlassFish 3 server are covered followed by examples of its use. This book is a practical guide with a very user-friendly approach. Read about other books on Java EE and GlassFish here.

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• Which is Better: Revo Uninstaller or a Free Alternative?

  - by The Geek

  The results might surprise you! Our friends over at 7 Tutorials did some testing and found that the free IObit uninstaller application actually stacked up pretty well against the paid solution from Revo—though perhaps with a few less features. Note: we’ve always been fans of Revo Uninstaller around here, since it does have a lot of features to help clean up bad apps that the free alternatives don’t have. Either way, the 7 Tutorials article is worth a read. Roundup of Software Uninstallers – Reviewing IObit vs Ashampoo vs Revo [7 Tutorials] Use Amazon’s Barcode Scanner to Easily Buy Anything from Your Phone How To Migrate Windows 7 to a Solid State Drive Follow How-To Geek on Google+

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• How to hide/remove "exit, minimize, maximize" bar on top of the application when not maximized, showing only the application/program on the desktop

  - by bigbadbabybear

  I'm an on and off novice ubuntu user, last used 9.04 and installed 11.10 a week ago. What I want to happen, edit unity to suit how I use my computer: Copy the way xmonad (www.xmonad.org) shows its applications and that is that there is no "exit, minimize, maximize" bar on top of the application I've read a few things on how to configure unity using Ubuntu Tweak and MyUnity I want to eventually switch to xmonad but for now it is still too complicated for me even with all the docs & tutorialss it's still too complicated for me & I cannot yet let go of my mouse tl;dr? from this: to this Is this possible? And if it is possible, how?

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• Concept behind SHA-1 Checksum

  - by Vishwas Gagrani

  What's the basis behind SHA-1 or SHA-2 or other Checksum algorithms? I read about it here http://en.wikipedia.org/wiki/SHA-1#Data_Integrity But I am still wondering about an answer in a layman's language. Can I understand it as a very, very compressed code that can be translated back into original data? Let's say, I have a letter written in notepad. Then the whole of my 1 A4 page size data can be converted into something like this "9b90417b6a186b6f314f0b679f439c89a3b0cdf5". So whenever I want my original data back, I can convert this back into original data? I am very sure that I am wrong here, because it is weird how data that itself contains combination of letters and numbers can be represented by smaller set of letters and numbers. Illogical! Then, what's the basic?

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• memory and time intensive php task

  - by Goddard

  Sorry if this question has been asked before, but I couldn't find anything usable. I'm working on a project for a client and currently I have to loop through the users table which is about 3000 records and still growing. I have to do some calculations on a nightly basis which I am going to be using cron/php. The calculations script uses about 3.5mb of memory and takes about 1 second to run. When loading individual users my current php setup handles this fine, but if I try and loop through the user list my php script execution time runs out. I've read after doing some searching that I can make the page reload itself after each user calculation and just keep my previous place in the loop and this sounds like a good idea, but I wanted to hear some opinions from others that have handled similar situations and how you handled these types of tasks. Thanks.

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• What are good Software Project Management Texts / Resources?

  - by locster

  I'm looking for ideas and resources pertaining to software project management, specifically resources that I can direct project managers to in order to broaden their knowledge of the subject. So for example an obvious choice here would be The Mythical Man Month - I do think that this would be an appropriate suggested first read for /some/, but not all. Probably for managers that arrive at the job with more of a management background rather than a technical one TMMM might be a bit 'heavy'. I'm looking for similar texts that convey more or less the same messages, but perhaps in a form more appropriate for people from a wide range of backgrounds. Thanks.

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• A bacon- (and module-) saving PowerShell incident

  - by AaronBertrand

  Earlier today I made a big goof. I opened a module in Notepad, intending to use it as the basis for a new module. I was in the process of using "File > Save As" when my phone rang just at the precise instant that, for some reason, made me click on "File > Save" by mistake. After hitting Ctrl+Z 30 times to try to get the old version of the module back, I remembered that Notepad has never had more than one level of Undo. Back when I was coding ASP by hand, I was very well aware of this, but I...(read more)

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• What grammatical tense should I write my specifications in?

  - by John

  We are currently writing functional and technical specifications in a two column format; summary sentence and technical detail. The details often refer to an appendix with diagrams, layout designs ect. However I am struggling with what tense to write it in: With past tense as if the work is done I struggle to show highlight extensions of exiting work. Future tense as in it needs to do X starts to sound like a to do list or Tense neutral very hard as it has either going to be done or is done. To add further confusion this specification may be read by people who do not have English as a first language.

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• Announcement: Oracle SuperCluster T5-8

  - by uwes

  Oracle's Fastest Engineered System On 27th of June we are announcing Oracle SuperCluster T5-8, Oracle’s fastest engineered system. Combining powerful virtualization and unique Exadata and Exalogic optimizations, SuperCluster is optimized to run both database and enterprise applications, and is ideal for consolidation and private cloud. SuperCluster is a complete system integrating SPARC T5-8 servers, Exadata Storage Servers, ZFS Storage Appliance, InfiniBand network and software, delivering extreme performance, no single point of failure, and highest efficiency while reducing risks and costs. Leverage Oracle SuperCluster T5-8 for IBM and HP competitive displacements, upgrading existing data centers, or new customer deployments. Please read the Product Bulletin on Oracle HW TRC for more details. (If you are not registered on Oracle HW TRC, click here ... and follow the instructions..) For More Information Go To: Oracle SuperCluster T5-8 oracle.com OTN

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• ubuntu-support-status error

  - by Robert Vila

  Running Natty, I read: "The ubuntu-support-status command will print the exact status of your system." I typed: $ ubuntu-support-status Traceback (most recent call last): File "/usr/bin/ubuntu-support-status", line 105, in <module> (still_supported, support_str) = get_maintenance_status(cache, pkg.name, support_tag) File "/usr/bin/ubuntu-support-status", line 37, in get_maintenance_status raise Exception("No date tag found") Exception: No date tag found Does someone know why can this happen. Could it be because is it running on a Mac. How can this be fixed?

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• Preparing yourself for Code challenges

  - by Daniel Fath

  Just a few days ago I discovered Codility, and I tried their challenges. And I must say. I got my behind handed to me on a platter. I'm not sure what the problem was, but I'll lick my wounds and wait for the solution to come out and compare it with my own. In the meantime, I want to get ready for the next challenge so I'm reading their previous blog posts and seeing how to solve their previous problems. There are a lot of new things I haven't heard about like (Cartesian trees, various sort algorithms, etc.) So, how does one prepare for such challenges (especially the O(x) time and space complexity). What should I read to prepare for such a task?

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• Attach Keyboard/Mouse to X Display in Dell XPS L502x Dual Video Cards (Intel/Nvidia HDMI)

  - by lcoronelp

  The idea: Use a second monitor in Dell XPS L502x with HDMI port in Ubuntu 12.04 The process: I connect the HDMI cable to monitor. I read this and I have video in HDMI monitor with Bumblebee and this commands: optirun nvidia-settings -c :8 DISPLAY=:8.0 firefox I have created a second keyboard/mouse master group with xinput with this solution. The problem: The second monitor (Display 8) doesn't recognize the keyboard/mouse and I cant use it. The question: Do you know some command to attach the keyboard/mouse master group to Display 8? I think that xinput -set-cs may work but it does not.

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• Ping one remote server from another remote server

  - by user666254

  It's simple to ping a server in C#, but suppose I have servers A, B and C. A connects to B. A asks B to ping C, to check that B can talk to C. A needs to read the outcome. Now, first of all is this possible without installing an application onto B? In other words, can I perform the entire check from just running a program on A? If so, can anyone suggest the route I would take to achieve this? I've looked at sockets but from the examples I've seen these require a client AND server application to function.

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