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• Building a network at home, what cables to use (if any)?

  - by Faruz

  My house is currently in ruins and am building it. While doing so, I wanted to design a home network. My main objectives are surfing and HD streaming. The house is one-level, 100 sq/m (about 300 sq/ft), and one of the rooms is a safety room with Reinforced concrete walls. About a year ago, when I started planning, I thought about putting Cat 6 STP cables in the walls and create network points in the rooms. Should I use STP or FTP? I heard that STP is a problem regarding connectors and stuff. Is it really beneficial? Will it work OK if I transfer the wire together with the telephone line? Should I maybe go with WLan and count on 802.11n to enable me to stream HD across the house? is 802.11n that good?

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• URGENT: Patches Needed to Prevent Data Corruption in Oracle Payments

  - by LuciaC

  Development are seeing a number of datafix bugs being logged related to PPR committing data in Payments (IBY) and missing corresponding payments in Payables.  These bugs have been investigated and fixed, however customers need to proactively apply these fixes to prevent data corruption. There are two root cause patches available for this case of partial data commit.  It is critical that all R12/12.1 Payments customers apply the following two patches ASAP: a) Patch 11699958: R12: Error during PPR Leads to Incomplete Data Commit and Inconsistent Status (Doc ID 1338425.1)b) Patches 15867522: Confirmed PPR Batches Show Payment Initiated - Data Exist Only in IBY Tables (Doc ID 1506611.1)

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• Should business services cross bounded contexts?

  - by Paul T Davies

  Firstly, I am following the convention that a bounded context is synonymous to a department, or possibly one department has 1 to many bounded contexts. We have a client consultancy department that has a Documentation Service. Documents are stored in the Document Store Service (which is where all documents in the company are stored - it is a utility service), and the Documentation Service stores information about that document (a business service). As it was designed for the client consultancy, it is information relevant to them. Now health and safety need somewhere to store information about a document. This is different information to client consultancy, but I have been instructed to extend the existing service to account for this extra information. I feel this service is now crossing a bounded context. My worry is that all departments will eventually store there information in here and the service will become bloated, trying to be all things to all departments. Each document record will only store a subset of the information because it will only belong to one department. It will get worse when different departments want to store the same information but refer to it in a diferent ways, or when two departments want to store different information that they refer to in the same way. In my understanding, this is exactly the reason for bounded contexts. I feel each department should have it's own business service for information about a document, but use the same utility service to actually store the document. What would be the correct approach?

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• Not Just What You Sell but Really How You Sell?

  - by divya.malik

  Sales 2.0 is changing the way customers get influenced and buy the products that they want to purchase. Engaging and listening to your customers and market  regularly is necessary, since they are engaging with other customers like themselves all the time, and online. Creating a consistent customer experience for your customers, across channels is more critical than ever. 2.0 and Social media as a channel need to become a part of your inbound and outbound sales strategy. Oracle has been investing in new capabilities to address the needs of this changing marketplace. Listen to  Mark Woollen, VP of CRM at Oracle discuss these new innovations that are changing the way companies and customer interact today, and the new strategies that will give you the lead in the marketplace. Here is an excerpt from his presentation (, which was featured on SellingPower.com.

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• How do I set the root password so I can use su instead of sudo?

  - by Zignd

  Warning: Directly logging in as root is like playing with fire, because one little typo is enough to lose critical data or make your system unbootable. Note that desktop environments will also function incorrectly if you login to them as root. See these questions for the reasons behind why sudo is preferred and why root-login is disabled by default: What are the benefits of sudo over su? Why is there no option to login as root? Instead of letting you set a password for root during install Ubuntu set it to * for no password and disables the actual account login, however even with this being said you can still use root in ubuntu by sudo. So how to set a root password on Ubuntu?

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• Multiple vulnerabilities in ImageMagick

  - by chandan

  CVE DescriptionCVSSv2 Base ScoreComponentProduct and Resolution CVE-2004-0981 Buffer overflow vulnerability 10.0 ImageMagick Solaris 10 SPARC: 136882-03 X86: 136883-03 CVE-2005-0397 Format string vulnerability 7.5 CVE-2005-0759 Denial of service (DoS) vulnerability 5.0 CVE-2005-0760 Denial of service (DoS) vulnerability 5.0 CVE-2005-0761 Denial of service (DoS) vulnerability 5.0 CVE-2005-0762 Buffer overflow vulnerability 7.5 CVE-2005-1739 Denial of service (DoS) vulnerability 5.0 CVE-2007-4985 Denial of service (DoS) vulnerability 4.3 CVE-2007-4986 Numeric Errors vulnerability 6.8 CVE-2007-4987 Numeric Errors vulnerability 9.3 CVE-2007-4988 Numeric Errors vulnerability 6.8 This notification describes vulnerabilities fixed in third-party components that are included in Sun's product distribution.Information about vulnerabilities affecting Oracle Sun products can be found on Oracle Critical Patch Updates and Security Alerts page.

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• Does it make sense to write build scripts in C++?

  - by Klaim

  I'm using CMake to generate my projects IDE/makefiles, but I still need to call custom "scripts" to manipulate my compiled files or even generate code. In previous projects I've been using Python and it was OK, but now I'm having serious trouble managing a lot of dependencies in two very big projects I'm working on so I want to minimize the dependencies everywhere. Someone suggested to me to use C++ to write my build scripts instead of adding a language dependency just for that. The projects themeselves already use C++ so there are several advantages that I can see: to build the whole project, only a C++ compiler and CMake would be necessary, nothing else (all the other dependencies are C or C++); C++ type safety (when using modern C++) makes everything easier to get "correct"; it's also the language I know the better so I'm more at ease with it even if I'm able to write some good Python code; potential gain in execution speed (but i don't think it will really be perceptible); However, I think there might be some drawbacks and I'm not sure of the real impact as I didn't try yet: might be longer to write the code (that said I'm not sure because I'm efficient enough in C++ to write something that work quickly, so maybe for this system it wouldn't be so long to write) (compilation time shouldn't be a problem for this case); I must assume that all the text files I'll read as input are in UTF-8, I'm not sure it can be easilly checked at runtime in C++ and the language will not check it for you; libraries in C++ are harder to manage than in scripting languages; I lack experience and forsight so maybe I'm missing advantages and drawbacks. So the question is: does it make sense to use C++ for this? do you have experiences to report and do you see advantages and disadvantages that might be important?

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• Visit our Consolidated List of Mandatory Project Costing Code and Data Fixes

  - by SherryG-Oracle

  Projects Support has a published document with a consolidated listing of mandatory code and data fixes for Project Costing.  Generic Data Fix (GDF) patches are created by development to fix data issues caused by bugs/issues in the application code.  The GDF patches are released for download via My Oracle Support which are then referenced in My Oracle Support documents and by support to provide data fixes for known code fix issues.Consolidated root cause code fix and generic data fix patches will be superceded whenever any new version is created.  These patches fix a number of critical code and data issues identified in the Project Costing flow.This document contains a consolidated list of code and data fixes for Project Costing.  The note lists the following details: Note ID Component Type (code or data) Abstract Patch Visit DocID 1538822.1 today!

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• How to track my kid's Multi-Browser website history

  - by Rachel

  My kid is 14, homeschooled and capable computer user. All of her school work is done online; the computer literacy course even uses 3 different browsers, Chrome, IE, and Firefox. I have 2 laptops, running Win7 (one is Pro, the other Home). Is there a way to get all of her browser history in one place? I have to account for 60 minutes of class time per subject per day, but trying to do this across all 3 is getting too complicated. Thanks! PS. My kid and I talk about internet safety and usage regularly and she knows that I monitor where she goes and how long she is there. Secrecy is not an issue.

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• Are there statistics or time series of open bugs in Ubuntu?

  - by aroque

  I would like to know how the number of bugs in Ubuntu (open, closed, critical, etc) has evolved with time. It's a sort of scientific curiosity I have, but it would also give me a feeling how the community has changed over time, how it has coped with the challenges (I think of Unity in particular) and what's its status now. Has anyone collected these data over the years? If yes, are they publicly available? I know this information can be gathered from Launchpad itself and actually I found a website that had data from mid 2008 to early 2009. I found Ubuntu live stats, which shows live messages related to Ubuntu, but does not aggregate bug statistics. Finally there are some stats on the Ubuntu Weekly Newsletter but they only show diffs of bugs closed during the last week.

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• Wanted Now: Your Feedback on Java EE 7!

  - by reza_rahman

  Work on Java EE 7 presses on under JSR 342. Things are shaping up nicely and Java EE 7 is now in the Early Draft Review stage. You can find out more and get involved by visiting the Java.net project for Java EE. There are now a number of important open issues that the Java EE expert group would like to get broad community feeback on. These issues include what new JSRs to add to the Java EE Full/Web Profile as well as how to better align CDI with Java EE. Help shape the future and voice your opinion on these critical open issues by taking the short survey posted here.

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• Wanted Now: Your Feedback on Java EE 7!

  - by reza_rahman

  Work on Java EE 7 presses on under JSR 342. Things are shaping up nicely and Java EE 7 is now in the Early Draft Review stage. You can find out more and get involved by visiting the Java.net project for Java EE. There are now a number of important open issues that the Java EE expert group would like to get broad community feeback on. These issues include what new JSRs to add to the Java EE Full/Web Profile as well as how to better align CDI with Java EE. Help shape the future and voice your opinion on these critical open issues by taking the short survey posted here.

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• Multi Threading - How to split the tasks

  - by Motig

  if I have a game engine with the basic 'game engine' components, what is the best way to 'split' the tasks with a multi-threaded approach? Assuming I have the standard components of: Rendering Physics Scripts Networking And a quad-core, I see two ways of multi-threading: Option A ('Vertical'): Using this approach I can allow one core for each component of the engine; e.g. one core for the Rendering task, one for the Physics, etc. Advantages: I do not need to worry about thread-safety within each component I can take advantage of special optimizations provided for single-threaded access (e.g. DirectX offers a flag that can be set to tell it that you will only use single-threading) Option B ('Horizontal'): Using this approach, each task may be split up into 1 <= n <= numCores threads, and executed simultaneously, one after the other. Advantages: Allows for work-sharing, i.e. each thread can take over work still remaining as the others are still processing I can take advantage of libraries that are designed for multi-threading (i.e. ... DirectX) I think, in retrospect, I would pick Option B, but I wanted to hear you guys' thoughts on the matter.

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• Remember me or not?

  - by taeja87

  I was told to post this on webmasters instead of stackoverflow. Is it safe to have the remember me feature? Would it be somewhat safe (knowing it won't be 100% safe) to allow users to close their browser and come back still logged in? I am not exacting sure which way I should go after reading different things about safety. I learned about session fixation and implemented security to add more protection. From experience, if remember me is checked then only your username/email appears and requires you to re-enter your password. Other sites allow you to come in and out as much as you way without logging out after the browser has closed. If it is safe, what is the current best way of implementing remember/stay logged in? http://stackoverflow.com/questions/3531377/best-practise-for-remember-me-feature http://stackoverflow.com/questions/5087969/what-is-the-code-for-stay-logged-in-or-remember-me-while-user-login-in-php http://bytes.com/topic/php/answers/881197-stay-logged-remember-me-php-sessions-cookies http://security.stackexchange.com/questions/41/good-session-practices Also: The site I am working on is email & password login type.

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• Extended Events demos on Microsoft Virtual Academy

  - by extended_events

  I had an opportunity recently to contribute a presentation to the Microsoft Virtual Academy as part of the Mission Critical Confidence using SQL Server 2012 course offering. The MVA offers you a myriad of free training opportunities, so I encourage anyone who is interested in expanding your knowledge to take advantage of this offering. For those of you who don’t want to invest the time to go through the whole course, you can access my presentation here. I cover the following topics: Integration of Extended Events into AlwaysOn troubleshooting. Troubleshooting Login failures using client/server correlation. Troubleshooting query performance issues using client/server correlation. I’m not sure how long content is made available on MVA, I got the impression that it would be removed as some point in the future, but should be there for at lease several months. - Mike

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• Is there a pattern or logical structure I can follow for Event Log Numbers?

  - by makerofthings7

  What are some ideas or structure I can use when assigning EventID to events that will be saved to the Event Log? Some options I've considered Sequential (0... int.Max) Multiple of 10, where the "0" is replaced with how noisy the debugLevel is set. xxx0 may represent exceptions, critical information, start, stop etc. ...? What numbering approach gives you the most insight when a user describes the event in an email or phone? What is the most useful to support staff?

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• How can a website look different in safari Windows and Safari mac?

  - by Jakob

  I have the website http://storkbox.magentodemo.dk . I've been testing crossbrowser on my windows PC, and it looks good in all browsers, but on Mac in Safari it looks like the CSS is not getting interpreted right, or there is a critical javascript error. When I look in the console cross-browser, the error log shows exactly the same. Chrome on mac interprets the site as intended, so why do I have a problem with safari. It is the same across different computers, and iphone safari also shows the site wrong. How is this possible and how do I debug?

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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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• 12.04 x64 Server Login Failure

  - by ThoughtCoder

  After some serious GRUB issues after routine kernel updates, forcing a grub-reinstall via chroot and some single-user mode maintenance, I now cannot login to my server (except via single-user mode) When attempting to SSH to the server my connection is reset immediately after entering username - no password prompt is presented. I've plugged in my monitor and keyboard to the headless server and when trying to login I receive: login: "PAM Failure, aborting: Critical error - immediate abort" immediately after entering my username - again, no password prompt is displayed. I am able to gain access via kernel recovery mode and login as root through single-user mode with networking. I've attempted a dpkg reconfigure believing I may have had some incomplete/borked packages, but to no avail. Looking through /etc/pam.d/login doesn't seem to lead me in any obvious directions and I'm afraid I'm out of ideas. Googling doesn't help me much, one guy reinstalled (really don't want to do this) and the rest I could find were old Gentoo related bugs. Any tips?

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• Multiple vulnerabilities in Firefox web browser

  - by chandan

  CVE DescriptionCVSSv2 Base ScoreComponentProduct and Resolution CVE-2011-3062 Numeric Errors vulnerability 6.8 Firefox web browser Solaris 11 11/11 SRU 9.5 Solaris 10 SPARC: 145080-11 X86: 145081-10 CVE-2012-0467 Denial of service (DoS) vulnerability 10.0 CVE-2012-0468 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 10.0 CVE-2012-0469 Resource Management Errors vulnerability 10.0 CVE-2012-0470 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 10.0 CVE-2012-0471 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability 4.3 CVE-2012-0473 Numeric Errors vulnerability 5.0 CVE-2012-0474 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability 4.3 CVE-2012-0477 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability 4.3 CVE-2012-0478 Permissions, Privileges, and Access Controls vulnerability 9.3 CVE-2012-0479 Identity spoofing vulnerability 4.3 This notification describes vulnerabilities fixed in third-party components that are included in Sun's product distribution.Information about vulnerabilities affecting Oracle Sun products can be found on Oracle Critical Patch Updates and Security Alerts page.

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• Pillar Axiom OpenWorld Highlights

  - by uwes

  During the Storage General Session at Oracle OpenWorld Conference 2012 in San Francisco, the following Axiom-related announcements were made: Oracle Platinum Services for Axiom 600: Extending Oracle's Platinum Services to Axiom 600 as a standalone product –  the same level of service and support you get with Exadata – 24/7 fault monitoring, dedicated response and escalation management to meet enterprise-grade SLA’s, patch planning and management. Oracle Enterprise Manager Axiom Plug-in: Allowing DBA's to manage, maintain, monitor and provision the Axiom 600 storage system from Oracle EM. Oracle Virtual Machine Axiom Plug-in: Allowing Oracle VM and System Administrators to manage, maintain, monitor and provision the Axiom 600 storage system from Oracle VM using Storage Connect. Oracle Axiom Data Protection Manager 3.1: Leveraging Axiom's Copy Services, System Administrators can automatically create Application Consistent Clones of critical Windows and Oracle DataBase environments for quick recovery. For More Information Go To: Oracle.com Pillar Axiom Page Oracle Technology Network SAN Page

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• Information I need to know as a Java Developer [on hold]

  - by Woy

  I'm a java developer. I'm trying to get more knowledge to become a better programmer. I've listed a number of technologies to learn. Instead of what I've listed, what technologies would you suggest to learn as well for a Junior Java Developer? I realize, there's a lot of things to study. Java: - how a garbage collector works - resource management - network programming - TCP/IP HTTP - transactions, - consistency: interfaces, classes collections, hash codes, algorithms, comp. complexity concurrent programming: synchronizing, semafores steam management metability: thread-safety byte code manipulations, reflections, Aspect-Oriented Programming as base to understand frameworks such as Spring etc. Web stack: servlets, filters, socket programming Libraries: JDK, GWT, Apache Commons, Joda-Time, Dependency Injections: Spring, Nano Tools: IDE: very good knowledge - debugger - profiler - web analyzers: Wireshark, firebugs - unit testing SQL/Databases: Basics SELECTing columns from a table Aggregates Part 1: COUNT, SUM, MAX/MIN Aggregates Part 2: DISTINCT, GROUP BY, HAVING + Intermediate JOINs, ANSI-89 and ANSI-92 syntax + UNION vs UNION ALL x NULL handling: COALESCE & Native NULL handling Subqueries: IN, EXISTS, and inline views Subqueries: Correlated ITH syntax: Subquery Factoring/CTE Views Advanced Topics Functions, Stored Procedures, Packages Pivoting data: CASE & PIVOT syntax Hierarchical Queries Cursors: Implicit and Explicit Triggers Dynamic SQL Materialized Views Query Optimization: Indexes Query Optimization: Explain Plans Query Optimization: Profiling Data Modelling: Normal Forms, 1 through 3 Data Modelling: Primary & Foreign Keys Data Modelling: Table Constraints Data Modelling: Link/Corrollary Tables Full Text Searching XML Isolation Levels Entity Relationship Diagrams (ERDs), Logical and Physical Transactions: COMMIT, ROLLBACK, Error Handling

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• If we write iOS and sell on App Store, are we protected for legal consequences? [closed]

  - by ????

  Will the developer or company (is a corporation or is not) be responsible for legal consequences, or will they be covered and protected by the Apple Store Terms of Use agreement? For example: 1) the app is fun and the kids show the app to a parent who is driving the car, and got into an accident. 2) if the app does road navigation and it went into problem or crash or slow, and caused an accident while driving. 3) or if the terms require using an app in a safe and non-time critical situation, what if the app recommend some exercise routine or diet (such as suggesting eating more eggs, milk, or using some herbs), and it could be argued that they caused any health consequence?

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• RAID setup for maximizing data retention and read speed

  - by cat pants

  My goals are simple: maximize data retention safety, and maximize read speeds. My first instinct is to do a a three drive software RAID 1. I have only used fakeraid RAID 1 in the past and it was terrible (would have led to data loss actually if it weren't for backups) Would you say software raid 1 or a cheap actual hardware raid card? OS will be linux. Could I start with a two drive raid 1 and add a third drive on the fly? Can I hot swap? Can I pull one of the drives and throw it into a new machine and be able to read all the data? I do not want a situation where I have a raid card fail and have to try and find the same chipset in order to read my data (which i am assuming can happen) Please clarify any points on which it sounds like I have no idea what I am talking about, as I am admittedly inexperienced here. (My hardest lesson was fakeraid lol) Thanks!

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• Hangs on Splash Screen after login (auto-login), how can I fix this?

  - by Davious

  Computer: Toshiba Terca A4 OS: Ubuntu Desktop 10.10 After installing 10.10, the splash screen hangs and the mouse pointer appears. Anyone know what I can do to fix this? ~/.xsession-errors has (nautilus:3190): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed btw, Safe-mode works: I do a Ctrl-Alt-F1 into a command prompt session and run ps aux | grep slave then sudo kill [id of gdm-simple-slave] That killed the session and allowed me to login in safe-mode. Safe-mode works. Then I open a terminal and run ps aux | grep nm- sudo kill -9 [id of nm-applet] nm-applet --sm-disable & to get my internet connection up.

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