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  • How to name an subclass that add a minor, detailed thing?

    - by Louis Rhys
    What is the most concise (yet descriptive) way of naming a subclass that only add a specific minor thing to the parent? I encountered this case a lot in WPF, where sometime I have to add a small functionality to an out-of-the-box control for specific cases. Example: TreeView doesn't change the SelectedItem on right-click, but I have to make one that does in my application. Some possible names are TreeViewThatChangesSelectedItemOnRightClick (way too wordy and maybe difficult to read because there is so many words concantenated together) TreeView_SelectedItemChangesOnRightClick (slightly more readable, but still too wordy and the underscore also breaks the normal convention for class names) TreeViewThatChangesSIOnRC (non-obvious acronym), ExtendedTreeView (more concise, but doesn't describe what it is doing. Besides, I already found a class called this in the library, that I don't want to use/modify in my application). LouisTreeView, MyTreeView, etc. (doesn't describe what it is doing). It seems that I can't find a name which sounds right. What do you do in situation like this?

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  • Usb WiFi dongle pluggin in doesnt create wlan0 interface

    - by zuba
    I use D-Link DWA-110 WiFi usb dongle. It used to be working well, but after some config changes I broke something and now when I plug the dongle in I see it in lsusb output, but wlan0 isn't created and the led on the dongle doesn't light. What to check out? ~ > uname -a Linux Distress 3.2.0-56-generic #86-Ubuntu SMP Wed Oct 23 17:31:43 UTC 2013 i686 i686 i386 GNU/Linux dmesg shows [ 667.824095] usb 1-8: new high-speed USB device number 6 using ehci-pci [ 668.117996] usb 1-8: New USB device found, idVendor=07d1, idProduct=3c07 [ 668.118007] usb 1-8: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 668.118015] usb 1-8: Product: 802.11 bg WLAN [ 668.118021] usb 1-8: Manufacturer: Ralink

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  • Ubuntu, Gnome, PAM and ecryptfs

    - by Michel
    I would like to have a directory accessible to a couple of users, and not readable by maintenance types ... I can do what I want using ecryptfs and a password known only to the "couple of users" in question, who then can mount the directory and use as they see fit. I would love to be able to automate that process and unlock the directory at login - again, only for the "couple users" in question, without asking a password. Gnome-keyring is able to store passphrases/passwords encrypted; and, apparently, if I could get a key identity to ecryptfs, Gnome PAM modules would allow the key with that identity to be unlocked, and the directory could be mounted. Alas, I have found no way to go from point A (Gnome PAM keyring module) to point B (use the unlocked key in ecryptfs). Another use of the same mechanism would allow to build a "key escrow" mechanism, where keys to encrypted volumes are safekept with, e.g., HR; so that company information in encrypted directories can be recovered if you pass under the proverbial bus.

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  • Oracle at Logicon 2010

    - by [email protected]
    Oracle will be a premiere sponsor of this year's Logicon event, May 4th and 5th in Atlanta. Attendees of the event will hear a keynote address from Oracle's Vice President of Supply Chain, Maha Muzumdar, as he, along with Eaton Corporation's Vice President of IT, John Gercak, explore what market trends are causing the most significant impact on today's businesses and what organizations are doing to address and take advantage of those trends.   In addition, Oracle is sponsoring a customer and prospect dinner at the Atlanta Grill, rated by Zagat as Atlanta's #1 downtown and southern cuisine restaurant.   Additional event details can be found on WBR's website;http://www.wbresearch.com/logiconusa/

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  • Oracle VM Templates Enable Oracle Real Application Clusters Deployment Up to 10 Times Faster than VMware vSphere

    - by Angela Poth
    Oracle VM - Quantifying the Value of Application-Driven DeploymentThe recently published report by the Evaluator Group, “Oracle VM – Quantifying The Value of Application-Driven Virtualization,“ validates Oracle’s ease of use and time savings over VMware vSphere 5. The report found that users can deploy Oracle Real Application Clusters up to 10 times faster with Oracle VM templates than VMware vSphere. Using Oracle VM templates users can deploy E-Business Suites nearly 7 times faster than VMware vSphere."Oracle VM’s application-driven architecture was built to enable rapid deployment of enterprise applications, with simplified integrated lifecycle management, to fully support Oracle applications. Our testing has demonstrated 90 percent improvement deploying Oracle Real Application Clusters 11g R2 using Oracle VM Templates and a similar improvement of 85 percent for the Oracle E-Business Suite 12.1.1. This clearly shows that Templates can provide real value to customers and should become an essential component for enabling rapid enterprise application deployment and management," said Leah Schoeb, Senior Partner, Evaluator Group.Read the Press Release Get a copy of the Evaluator Group Report: Oracle VM – Quantifying The Value of Application-Driven Virtualization

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  • How do I compare the md5sum of a file with the md5 file (that was available to download with the file)?

    - by user91583
    Images are available for a distro on http://livedistro.org/gnulinux/israel-remix-team-mint-12. I want to use the 32-bit version. I have downloaded the ISO file for the 32-bit version (customdist.iso). I have downloaded the md5 file for the ISO file (customdist.iso.md5). I want to calculate the md5sum of the ISO file and compare it to the md5 file. I can use the md5sum command to display within the terminal the calculated md5 for the ISO file. I have searched the web and can't find a way to compare the calculated md5 for the ISO file with the downloaded md5 file. So far, the closest I have come is the command md5sum -c customdist.iso.md5 from within the folder containing both the files, but this command gives the result: md5sum: customdist.iso.md5: no properly formatted MD5 checksum lines found Any ideas?

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  • coloring box2d body in LibGDX

    - by ved
    I want to color polygon of box2d in LibGDX. Found below useful class for that. http://libgdx.badlogicgames.com/nightlies/docs/api/com/badlogic/gdx/graphics/glutils/ShapeRenderer.html But, it is not coloring the body instead making colored shapes. I want colored bodies having all the property like gravity, restitution etc. In brief, I want to make colored ball and surface.And i don't want to attach sprite on bodies. Want just fill color in bodies. Need some guidance????

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  • Why I can't install new fonts in LibreOffice?

    - by uzumaki
    I have installed a lot of fonts before, but this time things are really different. I have downloaded some True Type Font (ttf) fonts. Then paste them in the directory usr/share/fonts after that I've restarted LibreOffice writer but don't find them in the font list. No better result with PC rebooting. Then again paste them in the directory usr/share/fonts/truetype and again restarted LibreOffice writer, but still they aren't on the font list. I've tried in another way. Opened the fonts with font viewer and click on the "install" but the result is same. No improvement at all. Latest I've just found that those specific fonts are installed on my system, they present on gedit font list,but not in the LibreOffice font list. So, may be the problem is with LibreOffice. Very surprising and irritating issue indeed.

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  • Passenger (mod-rails) can't find libopenssl-ruby

    - by flintinatux
    Trying to build an nginx server with Phusion Passenger on Ubuntu 11.10 (hurray for the new version!). Running "passenger-install-nginx-module" outputs the following error: * OpenSSL support for Ruby... not found With the following suggestion to fix it: * To install OpenSSL support for Ruby: Please run apt-get install libopenssl-ruby as root. Running "sudo apt-get install libopenssl-ruby" yields the following output: Reading package lists... Done Building dependency tree Reading state information... Done Note, selecting 'libruby' instead of 'libopenssl-ruby' libruby is already the newest version. 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. A little research shows that libruby is a virtual package that provides libopenssl-ruby as part of the package. However, the passenger-install-nginx-module script still can't find it, and keeps throwing the same error. Help me, please! I'm in a little over my head on this one, and the google-the-error-code method that usually works is failing me today.

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  • Alternative printing method(s) for an unsupported printer

    - by B. Roland
    Hello! I have in my office, a Konica Minolta bizhub 211 multifunction printer, it works well with windows workstations... It has a lot of good features, like duplex... I haven't found any drivers for UNIX, so I'm looking for alternative methods, how can we make it useable in Ubuntu. I'm thinking on some windows based server, or what I know... I wrote here requesting for drivers: ubuntu.hu, linuxforums.org, forums.debian.net, ubuntuforums.org; and also to the manufacturer, but they said only, that "the first PostScript supported printer is only bizhub 223", so they don't care that thing. Please suggest working methods, Thanks, B. Roland

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  • AS3 Stage3D Mouse click problem?

    - by Martin K
    I have a problem with Mouse interaction and Stage3D. The only way I found to register to listen to mouse clicks and interact with Stage3D, is to add a mouse eventListener directly to the .stage. However this will result in any time i click anywhere in the flash application the mouse click will fire, even if there is an overlaid 2D menu where the user intended to click. IE I have a 3D application running in the background, which listens to clicks, and I have some floating User Interface elements in the foreground, and ideally if I clicked a button in the foreground, then that would NOT fire a click event that the Stage3D would register. Any idea how to solve this problem?

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  • Sword and Sworcery - seg fault

    - by Synesso
    I've just bought, installed Sword and Sworcery via the Software Centre. When I run it, the screen goes black, the cursor changes and then all reverts back to normal. I found the executable that matches the menu item. /bin/sh /opt/swordandsworcery/run.sh When I run it from the console: Segmentation fault (core dumped) My setup: Linux jem-doxie 3.2.0-24-generic #39-Ubuntu SMP Mon May 21 16:52:17 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux Where to from here? Refund? Or can I do something?

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  • Does Open Source lead to bad coding?

    - by David Conde
    I have a thought that I tried asking at SO, but didnt seem like the appropriate place. I think that source sites like Google Code, GitHub, SourceForge... have played a major role in the history of programming. However, I found that there is another bad thing to these kind of sites and that is you may just "copy" code from almost anyone, not knowing if it is good(tested) source or not. This line of thought has taken me to believe that source code websites tend to lead many developers (most likely unexperienced) to copy/paste massive amounts of code, which I find just wrong. I really dont know how to focus the question well, but basic thought would be: Is this ok? Is Open Source contributing to that or I'm just seeing ghosts... Hope people get interested because I think this is an important theme.

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  • Pass FORTRAN variable to Python [migrated]

    - by Matthew Bilskie
    I have a FORTRAN program that is called from a Python script (as an ArcGIS tool). I need to pass an array, Raster_Z(i,j), from FORTRAN to python. I have read about the Python subprocess module; however, I have not had much luck in understanding how to do this with FORTRAN. All examples I have found involve simple unix command line calls and not actual programs. Has anyone had any experience in passing a variable from FORTRAN to Python via a memory PIPE? Thank you for your time.

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  • ASP.NET MVC 3 Arrived

    - by Shaun
    The Gu and the Haack had just announced the ASP.NET MVC 3 RTM had been released yesterday. You can download the intall file, release note and source code here. As the Gu said with the ASP.NET MVC 3 there are some other productions released as well NuGet IIS Express 7.5 SQL Server CE 4 Web Deploy & Web Farm Framework 2.0 Orchard 1.0 WebMatrix 1.0 The Orchard is a CMS and blogging system which build from ASP.NET MVC 3 with the new Razor view engine which can be found here and here.   Hope this helps, Shaun All documents and related graphics, codes are provided "AS IS" without warranty of any kind. Copyright © Shaun Ziyan Xu. This work is licensed under the Creative Commons License.

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  • Next Quarterly Customer Update Webcast is July 24th (July 25th in Asia Pacific)

    - by R.Hunter
    Join Team Informatics, Kyle Hatlestad from the WebCenter Content “A-Team” and Oracle WebCenter Product Management for the next Oracle WebCenter Quarterly Customer Update Webcast scheduled for July 24th (July 25th in Asia Pacific). Get the latest product management updates and learn more about WebCenter Content and WebCenter Sites. Team Informatics will give an overview of the WebCenter Sites 11g Connector to WebCenter Content and Kyle Hatlestad will discuss best practices for WCC deployment and configuration. You can follow Kyle’s blog at: http://blogs.oracle.com/kyle/ Don't miss out, there will be two live sessions with Q&A. Further details and the registration links for the webcast can be found on our Oracle Technology Network Page.

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  • Pulseaudio no sound card detected. Dummy output only

    - by Zach Smith
    I'm using 12.10 Quantal with Openbox and a .xinitrc script at login instead of a display manager. Its a relatively fresh install and I noticed when I opened pavucontrol the only output was a dummy one. I check around and it appears that my soundcard is physically installed but Pulseaudio isn't detecting it. I'm really unsure what I should do but any help getting my audio back would be appreciated. Edit: further info if its at all useful: dante@dante-ubuntu:~$ uname -a && aplay -l && cat /proc/asound/version && head -n 1 /proc/asound/card*/codec#* Linux dante-ubuntu 3.5.0-17-generic #28-Ubuntu SMP Tue Oct 9 19:31:23 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux aplay: device_list:252: no soundcards found... Advanced Linux Sound Architecture Driver Version 1.0.25. == /proc/asound/card0/codec#0 <== Codec: ATI R6xx HDMI == /proc/asound/card1/codec#0 <== Codec: IDT 92HD81B1X5

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  • Small projects using the cathedral model: does open-source lower security?

    - by Anto
    We know of Linus' law: With enough eyeballs all bugs are shallow In general, people seem to say that open-source software is more secure because of that very thing, but... There are many small OSS projects with just 1 or 2 developers (the cathedral model, as described by ESR). For these projects, does releasing the source-code actually lower the security? For projects like the Linux kernel there are thousands of developers and security vulnerabilities are quite likely going to be found, but when just some few people look through the source code, while allowing crackers (black hat hackers) to see the source as well, is the security lowered instead of increased? I know that the security advantage closed-source software has over OSS is security through obscurity, which isn't good (at all), but it could help to some degree, at least by giving those few devs some more time (security through obscurity doesn't help with the if but with the when). EDIT: The question isn't whether OSS is more secure than non-OSS software but if the advantages for crackers are greater than the advantages for the developers who want to prevent security vulnerabilities from being exploited.

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  • links for 2010-12-08

    - by Bob Rhubart
    Rittman Mead Consulting Blog Archive Oracle BI EE 11g &#8211; Managing Host Name Changes Rittman Mead's Venkatakrishnan J (an Oracle ACE) looks at "how we can go about getting BI EE 11g to work when the Host Name of the machine changes post install and configuration."  (tags: oracle businessintelligence obiee) Evident Software's CTO and co-founder discusses Oracle Coherence (Application Grid) (tags: oracle successcast podcast coherence grid) Choice Hotels' Rain Fletcher talks WebLogic Server (Application Grid) (tags: oracle successcast weblogic podcast) Baz Khuti, CTO of Avocent discusses their next generation application and WebLogic (Application Grid) (tags: oracle successcast podcast) Oracle Counts Clouds | JAVA Developer's Journal "The Independent Oracle Users Group (IOUG), which has 20,000 members, has run up an Oracle-sponsored survey that found significant cloud adoption by Oracle users."  (tags: oracle cloud survey ioug) Oracle Customers Warm to the Cloud | CTO Edge "The Independent Oracle Users Group (IOUG) has published the results of a study on cloud adoption and, to no surprise, the enterprise loves the cloud. " (tags: oracle cloud ioug survey)

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  • wordpress sites are slow on shared hosting but plain html/css sites are fast

    - by sam
    ive got a shared hosting account, unlimited sites, unlimited gb, unlimited bandwidth ect ect. Of course because its shared and a cheap one at that theres too many sites on each server and it all runs slow due to lack of ram. What ive found is that my plain html/css/js sites run an awful lot faster than my wordpress sites on this hosting and i was trying to work out why. Im not exactly sure how a browser sends a request for a page and the full process of request and delivery, but are my html sites running faster as they are just serving code to the browser, where as the wordpress sites are having to make calculations from the database to make each page before its delivered .. is that correct, or am i completly off course ?

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  • Downloading specific video renditions in WebCenter Content

    - by Kyle Hatlestad
    I recently had a question come up on one of my previous blog articles about downloading a specific video rendition.  When accessing image renditions, you simply need to pass in the 'Rendition=<rendition name>' parameter on the GET_FILE service and it will be returned.  But when you try that with videos, you get the error message, "Unable to download '<Content ID>'. The rendition or attachment '<Rendition Name>' could not be found in the list manifest of the revision with internal revision ID '<dID>'. [Read More] 

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  • SQLAuthority News – 7th Anniversary of Blog – A Personal Note

    - by Pinal Dave
    Special Day Today is a very special day – seven years ago I blogged for the very first time.  Seven years ago, I didn’t know what I was doing, I didn’t know how to blog, or even what a blog was or what to write.  I was working as a DBA, and I was trying to solve a problem – at my job, there were a few issues I had to fix again and again and again.  There were days when I was rewriting the same solution over and over, and there were times when I would get very frustrated because I could not write the same elegant solution that I had written before.  I came up with a solution to this problem – posting these solutions online, where I could access them whenever I needed them.  At that point, I had no idea what a blog was, or even how the internet worked, I had no idea that a blog would be visible to others.  Can you believe it? Google it on Yahoo! After a few posts on this “blog,” there was a surprise for me – an e-mail saying that someone had left me a comment.  I was surprised, because I didn’t even know you could comment on a blog!  I logged on and read my comment.  It said: “I like your script,but there is a small bug.  If you could fix it, it will run on multiple other versions of SQL Server.”  I was like, “wow, someone figured out how to find my blog, and they figured out how to fix my script!”  I found the bug, I fixed the script, and a wrote a thank you note to the guy.  My first question for him was: how did you figure it out – not the script, but how to find my blog?  He said he found it from Yahoo Search (this was in the time before Google, believe it or not). From that day, my life changed.  I wrote a few more posts, I got a few more comments, and I started to watch my traffic.  People were reading, commenting, and giving feedback.  At the end of the day, people enjoyed what I was writing.  This was a fantastic feeling!  I never thought I would be writing for others.  Even today, I don’t feel like I am writing for others, but that I am simply posting what I am learning every day.  From that very first day, I decided that I would not change my intent or my blog’s purpose. 72 Million Views – 2600 Posts – 57000 comments – 10 books – 9 courses Today, this blog is my habit, my addiction, my baby.  Every day I try to learn something new, and that lesson gets posted on the blog.  Lately there have been days where I am traveling for a full 24 hours, but even on those days I try to learn something new, and later when I have free time, I will still post it to the blog.  Because of this habit, this blog has over 72 millions views, I have written more than 2600 posts, and there are 57,000 comments and counting.  I have also written 10 books, 9 courses, and learned so many things.  This blog has given me back so much more than I ever put it into it.  It gave me an education, a reason to learn something new every day, and a way to connect to people.  I like to think of it as a learning chain, a relay where we all pass knowledge from one to another. Never Ending Journey When I started the blog, I thought I would write for a few days and stop, but now after seven years I haven’t stopped and I have no intention of stopping!  However, change happens, and for this blog it will start today.  This blog started as a single resource for SQL Server, but now it has grown beyond, to Sharepoint, Personal Development, Developer Training, MySQL, Big Data, and lots of other things.  Truly speaking, this blog is more than just SQL Server, and that was always my intention.  I named it “SQL Authority,” not “SQL Server Authority”!  Loudly and clearly, I would like to announce that I am going to go back to my roots and start writing more about SQL, more about big data, and more about the other technology like relational databases, MySQL, Oracle, and others.  My goal is not to become a comprehensive resource for every technology, my goal is to learn something new every day – and now it can be so much more than just SQL Server.  I will learn it, and post it here for you. I have written a very long post on this anniversary, but here is the summary: Thank You.  You all have been wonderful.  Seven years is a long journey, and it makes me emotional.  I have been “with” this blog before I met my wife, before we had our daughter.  This blog is like a fourth member of the family.  Keep reading, keep commenting, keep supporting.  Thank you all. Reference: Pinal Dave (http://blog.sqlauthority.com)Filed under: About Me, MySQL, PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, SQLAuthority News, T SQL

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  • Manchester UG Presentation Video

    In July I was invited to speak at the UK SQL Server UG event in Manchester.  I spoke about Excel being a good data mining client.  I was a little rushed at the end as Chris Testa-ONeill told me I had only 5 minutes to go when I had only been talking for 10 minutes.  Apparently I have a reputation for running over my time allocation.  At the event we also had a product demo from SQL Sentry around their BI monitoring dashboard solution.  This includes SSIS but the main thrust was SSAS Then came Chris with a look at Analysis Services.  If you have never heard Chris talk then take the opportunity now, he is a top class presenter and I am often found sat at the back of his classes. Here is the video link

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  • Recover partition after GParted resizing interrupted by unexpected shutdown

    - by user84207
    As I was resizing my partitions using GParted, my laptop battery ran out, and the process was interrupted. Now, I am unable to mount the partition which I was trying to resize. I get the following error when I click to mount the partition on nautilus: Error mounting: mount: wrong fs type, bad option, bad superblock on /dev/sda3, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so How can I go about recovering my data? Is there a safe way to attempt to force-mount the partition in question? Any help towards recovering my data is sincerely appreciated.

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  • Python library for scripting (C++ integration)

    - by Edward83
    Please advise me good wrapper/library for python. I need to implement simple scripting in c++ app; Under "good" I mean pretty understandable, well documented, no memory leaking, fast. For creating base interface of GameObject on Python and C++; Your own experience and useful links will be nice!!! I found link about it, but I need more specific within gamedev context. What combinations of libraries you used for python integration into c++? For example about ogre-python it said built using Py++ and Boost.Python library And one more question, maybe someone of you know how Python was integrated into BigWorld engine (it's own port or some library)? Thank you!!!

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