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• Database Consolidation Slides

  - by B R Clouse

  In case you missed us in the Demogrounds at Oracle OpenWorld-- or if you were there and would like to take another look -- here are the slides we were presenting last week:  Database Consolidation for Private Database Clouds. I'm thinking to add a voice-over ... once my voice recovers from four days of non-stop discussions, meetings, speaking sessions etc.  A few of the questions we answered frequently included: Q: Is it possible to deploy an Oracle Database Cloud today with Oracle's current technologies and products? A: Absolutely!  Oracle has been developing technologies for several years that support the key features of a cloud environment.  Oracle Database 11g is an ideal platform for database clouds. Q: Are Oracle Engineered Systems required for Oracle Database Clouds? A: Oracle Database Clouds run best on our Engineered Systems, but can also be deployed on any platform that supports the database, as many customers are doing today. If you have questions, feel free to post them here and we'll start a dialog.

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• Robust way to keep records of software releases?

  - by japreiss

  We release a number of small plug-ins that go along with our software. Each plug-in allows our software to talk to a single manufactuer's hardware. I would like to devise a system for keeping track of plug-in releases. Example info that should be stored: Hardware manufacturer name 32-bit? 64-bit? both? What modes of operation does the hardware support? What versions of the manufacturer's driver have been tested with the plugin? Desirable properties of the system: Able to synchronize with version control software Stores data in human-readable text file (also good for differ tool) Free visual, spreadsheet-like editor available Able to do simple analysis like "What is the oldest plug-in?" I've got to imagine that someone else has tackled this problem already. Right now my best guess is XML/JSON with a visual editor, but I have been disappointed in the editors I've tried so far. I'd like to get input from some more experienced developers. Thanks!

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• What language available on commodity web hosts would suit a C# developer? [closed]

  - by billpg

  Recognising its ubiquity on commodity web hosting services, I tried developing in PHP a few years ago. I really didn't like it, later deciding that life was too short for PHP. (In brief, having to put $ on variable names; mis-spelt variable names become new variables; converting non-numeric strings to integers without complaint; the need for an "and this time I mean it" comparison operator.) In my ideal world, commodity web hosts would all support C#/ASP.NET, my preferred web-development language and framework, but this is not my ideal world. Even Mono has barely made a dent on Linux based hosts. However, last time I moaned about PHP's ubiquity, someone followed up that this was no longer the case, and that many other languages are now commonly usable on web hosts too. What programming language; a. Would suit a developer who prefers C#. b. Is available to run on many web hosts.

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• Please recommend the best tools to build a test plan management tool

  - by fzkl

  I have mostly worked on hardware testing in my professional career and would like to get onto the software development side. I thought working on a practically usable project will help motivate me and help acquire some skills. I have decided to build a test plan management tool for the QA team I work in (We use excel sheets!). The test plan management tool should be browser based and should support this: There would be many test plans, each test plan having test sets, test sets having test cases and test cases having instructions, attachments and Pass/fail status marking and bug info in case of failure. It should also have an export to excel option. I have a visual picture of the tool I am looking to build but I don't have enough experience to figure our where to start. My current programming skills are limited to C and shell programming and I want to pick up python. What tools (programming language, database and anything else?) would you recommend for me to get this done? Also what are the key concepts in the recommended programming language that I should focus on to build a browser based tool like this?

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• Missing 16:10 resolutions with Nvidia drivers (Can't add resolutions)

  - by Wuinny

  I have a laptop with a Nvidia 9650M GT and used the drivers that Seven brought me. It works fine but Metro 2033 tells me that I have to upgrade my drivers to play the game. So I did it. But since I did a clean install of the new Nvidia drivers, I just have 1440*900 or 4:3 resolutions. I usually played with 1280*800 or 1184*740 (for performance issue) With the "old" drivers I was able to create custom resolution (1184*740) in Nvidia control panel but now when I try it tells me that "my monitor cannot support this resolution". When I insist, it works but soon as I shut down my computer I have to recreate it.. Do anyone have a fix?

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• IPTables: allow SSH access only, nothing else in or out

  - by Disco

  How do you configure IPTables so that it will only allow SSH in, and allow no other traffic in or out? Any safety precautions anyone can recommend? I have a server that I believe has been migrated away from GoDaddy successfully and I believe is no longer in use. But I want to make sure just because ... you never know. :) Note that this is a virtual dedicated server from GoDaddy... That means no backup and virtually no support.

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• Enabling openssl With PHP/nginx

  - by reefine

  I'm getting the following error when trying to connect to SMTP + SSL through PHP using nginx + PHP 5, Could not connect to smtp host 'ssl://smtp.gmail.com' (5) (Unable to find the socket transport "ssl" - did you forget to enable it when you configured PHP?) In phpinfo I see: OpenSSL support disabled (install ext/openssl) This leads me to believe I've installed OpenSSL incorrectly. I've read a bunch of places where I should uncomment the following line: extension = php_openssl.dll This line does not exist so I added it to the end of my php.ini to no avail. The php_openssl.dll file does not exist anywhere on my server.

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• Mail being sent as root on Ubuntu 14.04

  - by Benjamin Allison

  I'm really struggling with this. I'm trying to set up this server to send mail using Gmail's SMTP. Google keeps bouncing the messages, saying that that Authentication is required: smtp.gmail.com[74.125.196.109]:25: 530-5.5.1 Authentication Required. Learn more at smtp.gmail.com[74.125.196.109]:25: 530 5.5.1 http://support.google.com/mail/bin/answer.py?answer=14257 But it seems my server is trying to send mail as [email protected]. I'm baffled. Here's what I've done so far: Updated mail.cf relayhost = [smtp.gmail.com]:587 smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_sasl_security_options = noanonymous smtp_tls_CAfile = /etc/postfix/cacert.pem smtp_use_tls = yes Created /etc/postfix/sasl_passwd: [smtp.gmail.com]:587 [email protected]:password Then did the following: sudo chmod 400 /etc/postfix/sasl_passwd sudo postmap /etc/postfix/sasl_passwd cat /etc/ssl/certs/Thawte_Premium_Server_CA.pem | sudo tee -a /etc/postfix/cacert.pem service postfix restart I can't for the life me get a mail message to send, or change the default mail user from [email protected] to [email protected] (FWIW, I'm using Google Apps, that's why it's not a .gmail address).

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• Samba 4 or Active Directory

  - by Jon Rhoades

  Now that Samba 4 has finally been released we find ourselves in new position of having a choice of of either upgrading our Samba 3 domain to either a Samba 4 domain on Linux or a Windows AD domain on Windows 2012. Given that we are equally expert at managing Windows and Linux servers, is there any reason not to use Samba 4 over AD on Windows; specifically: Are there functional differences from a Windows/OS X client perspective? Are there issues with other services that use AD, such as storage appliances that use AD/Kerberos for authentication/authorisation. Will the Microsoft "System Centre" suite of tools and other similar products work seamlessly? How will Samba 4 handle AD's Multimaster DC model and FMSO roles. Are there any other issues to be aware of, such as vendor support?

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• Is it possible to do a web search filtered for the user's comprehension level? [migrated]

  - by Tim

  Do any of the major search engines support a filter to indicate the comprehension level of the user and thus to filter out content beyond their scope? So for example, if someone wanted to find results on "astronomy", but to only show content appropriate for someone in junior-high or lower. Alternatively, if there isn't such an existing method directly, any ideas on how this might be accomplished with existing tools? I found this paper, which seems to indicate folks have looked at this, just don't know if there is a real world tool to do this.

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• Extremely poor WiFi reception on new desktop

  - by guy

  I just received a new desktop with a built-in WiFi card (Windows 7 Home Premium x64). However, I am only able to receive any WiFi signal when the computer is within 1-2 meters of a router. Even then, the signal is very weak (Windows 7 says it is "poor"). I have tried this with 2 different routers and see similar results. I have somewhere around a dozen other devices that can connect to both routers with greater signal strength (usually full strength) from much, much further away. When I tried calling support I was instructed to reinstall my drivers and attempt to change the WiFi channel of the router. Neither worked. I was then told that the problem was with my routers and that the computer was functioning normally and that it was certainly not a hardware problem. What would be the cause of this and is there anything I can do to fix it?

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• Learning curve for web development

  - by refro

  At the moment our team has a huge challenge, we're being asked to deliver a new GUI for an embedded controller. The deadline is very tight and is set on April 2013. Our team is very diverse, some people are on the level of functional programming (mostly C), others (including myself) have mastered object oriented programming (C++, C#). We built a prototype for Android, although it has its quirks, it is mostly just OO. For the future there is a wish to support multiple platforms (Windows, Android, iOS). In my opinion a HTML5 app with a native app shell is the way to go. When gathering more information on the frameworks to use etc., it became obvious to me a paradigm shift is needed. None of us have a web background so we need to learn from the ground up. The shift from functional to OO took us about 6 months to become productive (and some of the early subsystems were rewritten because they were a total mess). Can we expect the learning curve to be similar? Can this be pulled off with a web app? (My feeling says it will already be hard to pull off as a native app which is at the edge of our comfort zone).

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• Search multiple tables

  - by gilden

  I have developed a web application that is used mainly for archiving all sorts of textual material (documents, references to articles, books, magazines etc.). There can be any given number of archive tables in my system, each with its own schema. The schema can be changed by a moderator through the application (imagine something similar to a really dumbed down version of phpMyAdmin). Users can search for anything from all of the tables. By using FULLTEXT indexes together with substring searching (fields which do not support FULLTEXT indexing) the script inserts the results of a search to a single table and by ordering these results by the similarity measure I can fairly easily return the paginated results. However, this approach has a few problems: substring searching can only count exact results the 50% rule applies to all tables separately and thus, mysql may not return important matches or too naively discards common words. is quite expensive in terms of query numbers and execution time (not an issue right now as there's not a lot of data yet in the tables). normalized data is not even searched for (I have different tables for categories, languages and file attatchments). My planned solution Create a single table having columns similar to id, table_id, row_id, data Every time a new row is created/modified/deleted in any of the data tables this central table also gets updated with the data column containing a concatenation of all the fields in a row. I could then create a single index for Sphinx and use it for doing searches instead. Are there any more efficient solutions or best practises how to approach this? Thanks.

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• Prevent Windows Exporer to extract metadata

  - by olafure

  Windows Explorer (windows 7 x64) crashes when it sees allegedly corrupted .wav files. I'm dealing with this problem and the hotfix doesn't work for me: http://support.microsoft.com/kb/976417/en-us The hotfix says that this happens if the .wav file is corrupt (which btw I don't think it is). What makes this even worse is that I can't access the file in any program! As soon as the open dialog sees the file, windows tries it's metadata extraction trick and exporer.exe halts. So my question: Can I by any means tell windows to stop this "metadata extraction" action ? (I have seen multiple problems associated with it in the past).

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• UDK - How to make sure a PhysicalMaterial mask actually works?

  - by tomacmuni

  Hello, I have been reading the documentation for UDK about physical materials and masks. I have my 1bit BMP mask, and the two physical material assets I want to shoot off in the black and white channels. I have applied my material to both a rigid body and to a skeletal mesh and neither apparently uses the mask. If I assign a regular physical material (one that doesn't use a mask) then it will work fine, but this defeats the point because it gives only one hit reaction. In the documentation it states that it is possible to extend a class on which we want to use a physical material based on the KActor class's usage. How to do that? Here is the quote: "The following properties [ie, ImpactEffect - Particle system to spawn at the point of impact + ImpactSound - Sound to play when an impact occurs] allow you to attach sounds and effects to physical collisions. These only work on classes which support them, which at the moment is only KActor. By looking at the implementation in KActor though, you can add this functionality to other classes (or you can subclass KActor)." Essentially, how to make sure a PhysicalMaterial mask actually works? What code could be added to a skeletal mesh class perhaps, to get it going? Any help appreciated.

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• Rebuilding a Mac Mini (early 2009) --- Update

  - by Kelly Jones

  A couple of months ago I rebuilt the family’s Mac Mini (you can read the details in this post).  Things had gone pretty smoothly until a few weeks ago.  That’s when my wife mentioned that different applications would spontaneously crash. She kept track for a few days, and it turned out to be any or all of the applications that she uses (Safari, Quicken, Entourage, etc.) . I did some online research and didn’t really find too much – but then how do you do a proper Google search for “Mac OS 10.5.8 applications crash”.  The best suggestion seemed to be issues around 10.5.8, where people suggested that you go back to a previous version (something like 10.5.6).  The only way to do that is to completely reinstall the OS – which is what I had just done. SO, instead of doing that, I decided to just reapply the 10.5.8 update by downloading it from Apple (http://support.apple.com/downloads/Mac_OS_X_10_5_8_Combo_Update ).  I had installed the updates after the rebuild through the Apple Update mechanism built into OS X.  I thought maybe the combo update would reinstall some corrupted file (or something). I did this about a week ago and sure enough, we’ve had one crash this week with the same usage patterns as before.  I still have no idea what was causing the crashes, but at this point, I’m just going to declare it fixed and move on.

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• Over 300 "NetBeans Platform for Beginners" Sold

  - by Geertjan

  I've noticed that the authors of "NetBeans Platform for Beginners" have started exposing the number of sales they have achieved. Below, notice the '304' (which will probably change quite quickly) at the lower left end of this screenshot: That's pretty good since the book has only existed for a few months and developers tend to share books they buy in PDF format. That probably means there are 300 teams of software developers around the world who are using the book, which is pretty awesome. (Though it would help the authors significantly, I'm sure, if individual developers on teams would buy the book, rather than sharing one between them. Come on, let's support these great authors so that they'll write more books like this.) Also note that there is a set of reviewer comments on the page above: Plus, the book is updated at the end of each month, so it continues to grow and improve from month to month, for free for everyone who has bought it. If you've read the book and want to contribute a review like the above, contact walternyland @ yahoo dot com. Great work, guys! For anyone out there who hasn't got it yet: https://leanpub.com/nbp4beginners

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• SSD on Vmware ESXI 4 (TRIM? Good Idea?)

  - by nextgenneo

  Hi, I just posted about finding bottle necks and have narrowed it down to having way too many VMs on my machine on one 15K SAS drive. I have plenty of cores and plenty of ram. So I am planning on putting 6 VMs on one drive (so 5 drives for 30 VMs). I am thinking of using a 60GB Vertex 2 SSD. Each of my VMs will only need about 6GB of HDD space so this isn't a big deal. My questions are: does ESXI support Trim and do I really need it if I leave 25% of the drive as free space? If I need it should I get a diff drive that handles garbage collection differently? I have a RAID controller w/ write caching. I will still benefit from this? Will this effect my setup differently? Is there anything I need to consider regarding SSD's in virtualized environments. Thanks for any and all help!

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• VFS and FS i-node difference

  - by gaffcz

  What is the difference between VFS i-node and FS (e.g. EXT) i-node? Is it possible that EXT i-node is persistent (contains/points to data blocks), but VFS i-node is created just in i-node cache after read/use of EXT i-node? Or the VFS i-node is just an image of FS i-node (it's the same) and i-nodes in those systems, which are not working with i-nodes (e.g. FAT, NTFS) has to be emulated (HOW?) to allow VFS work with those FS like they would support i-nodes?

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• When trying to install Wine on 12.10, 'Sudo' command will not let me type in a password.

  - by Nocturnus

  As the title explains, I have been attempting to install Wine on my laptop which is running 12.10. When I access the command terminal and entered "sudo add-apt-repository ppa:ubuntu-wine/ppa" I was of course met by a password block, when I attempted to enter my password, it flat out wouldn't let me type anything, the only key that got a response from the terminal was "enter" which was met by "incorrect password". To bypass this issue I backed out and used the 'Gksudo' command, this new dialogue box seemed to give me access to sudo commands. I then entered "sudo apt-get update" and "sudo apt-get install wine1.5". Up until the installation everything went fine, but after entering the final command (still using gksudo) The terminal read "the following packages have unmet dependencies" and proceeded to list a bunch of "recommends" So my guess is that Wine hasn't been updated to run on 12.10... Is this true, and is there any other way to open .exe's? Also what was with that funky password misshap? I'm totally new to Ubuntu so I've just been using support pages and tutorials, sorry if I'm a bit naive in these matters...

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• My work isn't being used... what can/ should I do?

  - by Matt

  Several months ago I was approached by a small business, who had seen my work previously and asked me to create a website for them. Since then, the website hasn't changed one bit and I haven't heard a word from them. This sucks for them as they paid for a website and haven't used it. It''s frustrating for me because I spent a huge amount of time on the website and feel that all of that effort has been wasted, furthermore, I don't feel I can use the website on my portfolio/ CV. I was thinking of offering to go round to their office for one day, and update the website for them then and there; but I'd need their support whilst there (to get the content for the about page, to get information for on their products etc.) and I don't want to disrupt their work day, nor do I want to sit there like a spare tyre and get nowhere. Furthermore, if I were to do this, should I expect to receive money for it? It's a day of my life, but I'm doing it for my benefit rather than theirs (but they benefit as well). Has anyone else had experience of a client not using their product; how did you handle it? Additional background for those who want it: The company is a local travel agent, and the website lets them CRUD offers and locations, and has several other static pages (about, contact, etc.) At the time of creating the website, I filled the static pages with lipsum, and the offers and locations with fake information, so that I could give the business an idea about what the final pages would look like; during the hand over, I guided them through the CRUD forms (they made notes) and said if they sent me the text for the pages, I'd update it.

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• Where did I write that code ?

  - by Tarun Arora

  Every been in that situation when you desperately need to find that code you checked into TFS a few days back but just can’t remember what team project, what branch, what solution or what file you checked it into. Well you are not alone… Only if there was a way to efficiently search for files and text with in TFS. It is possible… You need to get your hands on Agent Ransack… This is a stand a lone tool that does not integrate with TFS but gives you the capability to search through text files effortlessly. Agent Ransack searches through files, text or otherwise, fast and efficiently. When searching the contents of files for code, or other text, Agent Ransack displays the text found so you can quickly browse the results without having to separately open each file! Agent Ransack is free for both Personal and Commercial use and can be Download from here.   Set the Look In directory of the Ransack search tool to your TFS Workspace and type the text you would like to scan for, you can limit the search by narrowing down the filter path or the name of the file. Found text is shown with highlighted keywords so you don't need to waste time opening each file looking for the right information.         The regular expression wizard helps you build regular expressions for complex pattern matching searches         You even have the option of searching by modified, created or last accessed date          Export your results to a file for importing into other apps or for sharing with others          Agent Ransack also provides search support for popular Office formats including Office 2007 and OpenOffice Next time you are looking for that illusive line of code whether it is a method declaration, function call, or algorithm that you checked into TFS, use Agent Ransack for a quick search.

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• Install user scripts on Chrome

  - by Ahatius

  I created a JavaScript file, and named it test.user.js. I tried double clicking it, dragging & dropping it into Chrome and opening it with Chrome, but it won't install. I've already installed the dev version of Chrome, because it's stated somewhere that it's needed, but I can't get it to work. Then, I tried searching for a Chrome Greasemonkey addon, just to see that it was no further developed on, because Chrome has built-in support. Could someboy tell me what I have to do in order to get user scripts working on Chrome v21?

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• Possible to recover older, previously deleted files with R-studio?

  - by SteveO

  The files and directories on one of my ntfs partition were wiped out last time. I used R-studio to scan the partition, and it did find many files, actually more than the capacity of the partition. This is because R-studio found files that were deleted even earlier. So I wonder if it is possible to specify those files and directories deleted last time instead of those deleted earlier for recovery? R-studio has a free demo version, for which scanning is free,but recovery isn't. It is downloadable from http://www.data-recovery-software.net/Data_Recovery_Download.shtml Its manual is here http://www.r-tt.com/downloads/Recovery_Manual.pdf. I have tried my best to search for answers in the manual, but failed to find one. Their technical support is not as good as their software, and helpless usually in my opinion. Thanks!

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• Exchange Failover Solution

  - by Dan

  I've been given the task to come up with an exchange solution that will support 200 users total throughout 4 states. 1GB per user. It needs to have a failover solution,The failover must reside in another location. There is an mpls that connects the locations. I am hoping to get recomendations on hardware, software setups. I recently worked with some big name reps and they steered me in the wrong direction and now I'm a few days away from my proposal date with bogus quotes and scrambling for a solution. I used to manage a standalone 2003 exchange server for years and am at a loss now with figuring out a clustering/failover...Any help would be greatly appreciated. thank you

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