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• Why are bugs responsible for big deficiencies in functionality given such low priority?

  - by keepitsimpleengineer

  Well, first of all, change is inevitable and mostly good. Furthermore attempts at simplifying the User Interface such as Gnome 3, Unity to make Linux more inclusive hold much promise, even though they adversely affect my style of working. Additionally, though now retired, I have worked with computers for 47 years, and though I do nothing serious for others now, I still do heavy duty things. 10.04 LTS is my big workstation, and I had three 10.10 systems for Mythtv, and one of which is further adapted for video & related. The Mythtv were 10.10 because of a dormant bug regarding installing to 10.04. My work habits consistently use dual monitors and compiz cube and 3D windows with the computing horsepower to support them. The dual monitors with separate X screens has been not been functional since 11.04, and cube/3D windows not functional in Unity, and with diminished functionality Gnome. There is a bug filed (after upgrade to 12.04 amd64 Gnome Classic not properly draw second screen) I have mitigated the situation some by switching to Xubuntu and eschewing Unity. The question that comes to mind is why this bug is not given more attention in that it nearly cuts functionality in half for more competent workstations. Sample workspace... Please know that I appreciate all the hard work, dedication require to pull off something as big as Ubuntu et al.

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• Have you Been Missing the 'About This Record' Functionality on the Customer Form...?

  - by MargaretW

  Do you have fond memories of the 'Help -> About This Record'  functionality that used to be available in the old Customer form - when it was a form, and not a java html screen?  Back in Release 11i, we had the ability to identify when the customer record had last been updated and by whom.  When some forms were replaced by Java HTML screens, you could identify some of this information via the 'About this Page' hyperlink at the bottom left hand corner of the HTML page.  You could enable this by enabling the FND: Diagnostics profile option, but many customers found this had an adverse effect on performance and additionally was not user-friendly.   Our customers tell us that this feature was widely used to identify owner/update information in many business processes, including auditing, customer entry/update, research and testing.  There have been various efforts to revert this feature by customising java pages, but this was not fully successful in some cases.  Oracle Support is happy to announce that this functionality has now been included in the Customer screens in Release 12.2 onwards.   You will be able to query the record history at customer level, at site level, at site address levels and for all tabs relating to the customer. Simply click on the 'Record History' icon, available in the Record History column on a summary screen, or via the same icon on the individual detail screen to display the following information: Last Updated Date: Last Updated By Creation Date Created By Last Update Login

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• How can I refactor client side functionality to create a product line-like generic design?

  - by Nupul

  Assume the following situation similar to that of Stack Overflow: I have a system with a front-end that can perform various manipulations on the data (by sending messages to REST back-end): Posting Editing and deleting Adding labels and tags Now in the first version we created it well modularized but the need as of now for 'evolving' the system similar to Stack Overflow. My question is how best to separate the commonality and how to incorporate the variability with respect to the following: Commonality: The above 'functionalities' and sending/receiving the data from the server Look and feel (also a variability as explained below) HTTP verbs associated with the above actions Variability: The RESTful URLs where the requests are sent The text/style of the UI (the commonality is analogous to Stack Overflow - the functionality of upvotes, posting a question remains the same, but the words, the icons, the look and feel is still different across sites) I think this is entirely a client-side code organization/refactoring issue. I'm heavily using jQuery, javascript and backbone for front-end development. My question is how best should I isolate the same to be able to create multiple such aspects to the tool we are currently working on?

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• I need a multi-language site with webshop functionality. Which CMS to choose?

  - by ec30

  I need to develop a multi-language site which includes simple webshop functionality. I have extended experience with WordPress. There are numerous shopping cart plugins available for WordPress however none of them is compatible with multi-language plugins such as WMPL. Drupal is an option I looked into (using i18n and Ubercart) and I am not sure this is the solution I am looking for. Another solution I considered is to develop a custom WordPress cart plugin that is compatible with WPML. Anyone familiar with this situation? Any recommendation regarding CMSes that fit my needs? Thanks!

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• Is it possible to make notepad++ support tamil language functionality?

  - by pandiya chendur

  Notepad++ (from v2.3) supports the multilanguage functionality by means of a translated xml file (from english.xml). Normally you don't need it if you install Notepad++ by its installer. You may need the language file if you install Notepad++ from zip format binary (or if your language is not supported by NSIS installer). Is it possible to make notepad++ support tamil language functionality? If so,How to get started....

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• What functionality of an iPad can I use with Ubuntu?

  - by Andrew Ferrier

  What functionality of an iPad can I use with Ubuntu? I'm thinking about buying an iPad, but I only have Ubuntu PCs these days (no Windows, no Mac), and I'm nervous that it may be too reliant on the existence of iTunes. I'm less concerned about getting media onto and off it (and I have read that I can do this with libimobiledevice), but will I be able to activate it with iTunes? Does it need to be USB synced on a regular basis, or can I do most anything I want through the cloud (i.e. over wifi)? Edit: In answer to jrgifford's question, in theory, I'd like to do everything I would want to do with it were I using Windows/Mac. But more specifically, I think I'd want to: "Activate" it, if that's necessary Copy music / video onto it Install apps How much of this can I do without a Windows/Mac PC? Is it necessary to activate it? I don't think I'm that interested in backing it up (what would I back up?), but then again, maybe I'm confused as to how easy it is to get data on and off. Can I get a regular SFTP app for the iPad to copy data to my Ubuntu machine over wi-fi, for example?

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• Which is the most practical way to add functionality to this piece of code?

  - by Adam Arold

  I'm writing an open source library which handles hexagonal grids. It mainly revolves around the HexagonalGrid and the Hexagon class. There is a HexagonalGridBuilder class which builds the grid which contains Hexagon objects. What I'm trying to achieve is to enable the user to add arbitrary data to each Hexagon. The interface looks like this: public interface Hexagon extends Serializable { // ... other methods not important in this context <T> void setSatelliteData(T data); <T> T getSatelliteData(); } So far so good. I'm writing another class however named HexagonalGridCalculator which adds some fancy pieces of computation to the library like calculating the shortest path between two Hexagons or calculating the line of sight around a Hexagon. My problem is that for those I need the user to supply some data for the Hexagon objects like the cost of passing through a Hexagon, or a boolean flag indicating whether the object is transparent/passable or not. My question is how should I implement this? My first idea was to write an interface like this: public interface HexagonData { void setTransparent(boolean isTransparent); void setPassable(boolean isPassable); void setPassageCost(int cost); } and make the user implement it but then it came to my mind that if I add any other functionality later all code will break for those who are using the old interface. So my next idea is to add annotations like @PassageCost, @IsTransparent and @IsPassable which can be added to fields and when I'm doing the computation I can look for the annotations in the satelliteData supplied by the user. This looks flexible enough if I take into account the possibility of later changes but it uses reflection. I have no benchmark of the costs of using annotations so I'm a bit in the dark here. I think that in 90-95% of the cases the efficiency is not important since most users wont't use a grid where this is significant but I can imagine someone trying to create a grid with a size of 5.000.000.000 X 5.000.000.000. So which path should I start walking on? Or are there some better alternatives? Note: These ideas are not implemented yet so I did not pay too much attention to good names.

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• How to properly document functionality in an agile project?

  - by RoboShop

  So recently, we've just finished the first phase of our project. We used agile with fortnightly sprints. And whilst the application turned out well, we're now turning our eyes on some of the maintenance tasks. One maintenance task is that all of our documentation appears in the form of specs. These specs describe 1 or more stories and generally are a body of work which a few devs could knock over in a week. For development, that works really well - every two weeks, the devs get handed a spec and it's a nice discrete chunk of work that they can just do. From a documentation point of view, this has become a mess. The problem with writing specs that are focused on delivering just-in-time requirements to developers is we haven't placed much emphasis on the big picture. Specs come from all different angles - it could be describing a standard function, it could describing parts of a workflow, it could be describing a particular screen... And now, we have business rules about our application scattered across 120 documents. Looking for any document for a particular business rule or function in particular is quite hard because you don't know which document has this information, and making a change request is equally hard because once again, we are unsure about which spec to make the change. So we have maybe a couple of weeks of lull before it's back to specing out functionality for the next phase but in this time, I'd like to re-visit our processes. I think the way we have worked so far in terms of delivering fortnightly specs works well. But we also need a way to manage our documentation so that our business rules for a given function / workflow are easy to locate / change. I have two ideas. One is we compile all of our specs into a series of master specs broken by a few broad functional areas. The specs describe the sprint, the master spec describe the system. The only problem I can see is 1) Our existing 120 specs are not all neatly defined into broad functional areas. Some will require breaking up, merging etc. which will take a lot of time. 2) We'll be writing specs and updating master specs in each new sprint. Seems like double the work, and then do the devs look at the spec or the master spec? My other suggestion is to concede that our documentation is too big of a mess, and manage that mess going forward. So we go through each spec, assign like keywords to it, and then when we want to search for a function, we search for that keyword. Problems I can see 1) Still the problem of business rules scattered everywhere, keywords just make it easier to find it. anyway, if anyone has any decent ideas or any experience to share about how best to manage documentation, would really appreciate it.

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• How can I abstract out the core functionality of several Rails applications?

  - by hornairs

  I'd like to develop a number of non-trivial Rails applications which all implement a core set of functionality but each have certain particular customizations, extensions, and aesthetic differences. How can I pull the core functionality (models, controllers, helpers, support classes, tests) common to all these systems out in such a way that updating the core will benefit every application based upon it? I've seen Rails Engines but they seem to be too detached, almost too abstracted to be built upon. I can seem them being useful for adding one component to an existing app, for example bolting on a blog engine to your existing e-commerce site. Since engines seem to be mostly self contained, it seems difficult and inconvenient to override their functionality and views while keeping DRY. I've also considered abstracting the code into a gem, but this seems a little odd. Do I make the gem depend on the Rails gems, and the define models & controllers inside it, and then subclass them in my various applications? Or do I define many modules inside the gem that I include in the different spots inside my various applications? How do I test the gem and then test the set of customizations and overridden functionality on top of it? I'm also concerned with how I'll develop the gem and the Rails apps in tandem, can I vendor a git repository of the gem into the app and push from that so I don't have to build a new gem every iteration? Also, are there private gem hosts/can I set my own gem source up? Also, any general suggestions for this kind of undertaking? Abstraction paradigms to adhere to? Required reading? Comments from the wise who have done this before? Thanks!

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• Is it good practise to blank out inherited functionality that will not be used?

  - by Timo Kosig

  I'm wondering if I should change the software architecture of one of my projects. I'm developing software for a project where two sides (in fact a host and a device) use shared code. That helps because shared data, e.g. enums can be stored in one central place. I'm working with what we call a "channel" to transfer data between device and host. Each channel has to be implemented on device and host side. We have different kinds of channels, ordinary ones and special channels which transfer measurement data. My current solution has the shared code in an abstract base class. From there on code is split between the two sides. As it has turned out there are a few cases when we would have shared code but we can't share it, we have to implement it on each side. The principle of DRY (don't repeat yourself) says that you shouldn't have code twice. My thought was now to concatenate the functionality of e.g. the abstract measurement channel on the device side and the host side in an abstract class with shared code. That means though that once we create an actual class for either the device or the host side for that channel we have to hide the functionality that is used by the other side. Is this an acceptable thing to do: public abstract class MeasurementChannelAbstract { protected void MethodUsedByDeviceSide() { } protected void MethodUsedByHostSide() { } } public class DeviceMeasurementChannel : MeasurementChannelAbstract { public new void MethodUsedByDeviceSide() { base.MethodUsedByDeviceSide(); } } Now, DeviceMeasurementChannel is only using the functionality for the device side from MeasurementChannelAbstract. By declaring all methods/members of MeasurementChannelAbstract protected you have to use the new keyword to enable that functionality to be accessed from the outside. Is that acceptable or are there any pitfalls, caveats, etc. that could arise later when using the code?

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• What is the functionality of "sync contacts" in Exchange account in Email application?

  - by santhosh

  Hi i am testing android E-mail application . I have configured an Exchange account where in i could find an option "Sync Contacts from this account" in Account settings. According to my understanding if i check "sync contacts from the account" option , i must be able to access contacts in the exchange account i have configured. But i don't know how to get/access these contacts in android email application. Can any one who have used this functionality or know about it can suggest to me how to make use of "Sync contacts" functionality. Or if you have any idea about, how i can test this functionality, i am very eager to here to you. Kinds & Regards Santhosh Kumar H.E

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• How can I create blog post functionality without Wordpress or Drupal?

  - by Ali

  I'm currently learning Python (as a beginner in programming). I go through each chapter learning basics. I haven't gotten far enough to understand how CMS works. I eventually want a blog that doesn't depend on Wordpress or Drupal. I would like to develop it myself as my skills progress. My immediate curiosity is on blog posts. What is the component called that will allow me to make a daily post on my blog? There must be a technical term for this function. I would like to learn how to make one, but don't even know what to research. Everything I research points me to Wordpress or Drupal. I would like to create my own. Thanks in advance! Ali

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• With a typical USB hard drive enclosure, is the full range of drive power management functionality available?

  - by intuited

  In what may be an unrelated matter: is it possible to suspend a PC without unmounting an attached USB-powered drive, and then remounting it on resume? This is the behaviour I'm currently seeing (running Ubuntu linux 10.10). Are there certain models or brands that provide more complete control over this aspect of drive operation? My Friendly Neighbourhood Computer Store carries (part of) the Vantec Nexstar product line.

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• Is it better to load up a class with methods or extend member functionality in a local subclass?

  - by Calvin Fisher

  Which is better? Class #1: public class SearchClass { public SearchClass (string ProgramName) { /* Searches LocalFile objects, handles exceptions, and puts results into m_Results. */ } DateTime TimeExecuted; bool OperationSuccessful; protected List<LocalFile> m_Results; public ReadOnlyCollection<LocalFile> Results { get { return new ReadOnlyCollection<LocalFile>(m_Results); } } #region Results Filters public DateTime OldestFileModified { get { /* Does what it says. */ } } public ReadOnlyCollection<LocalFile> ResultsWithoutProcessFiles() { return new ReadOnlyCollection<LocalFile> ((from x in m_Results where x.FileTypeID != FileTypeIDs.ProcessFile select x).ToList()); } #endregion } Or class #2: public class SearchClass { public SearchClass (string ProgramName) { /* Searches LocalFile objects, handles exceptions, and puts results into m_Results. */ } DateTime TimeExecuted; bool OperationSuccessful; protected List<LocalFile> m_Results; public ReadOnlyCollection<LocalFile> Results { get { return new ReadOnlyCollection<LocalFile>(m_Results); } } public class SearchResults : ReadOnlyCollection<LocalFile> { public SearchResults(IList<LocalFile> iList) : base(iList) { } #region Results Filters public DateTime OldestFileModified { get { /* Does what it says. */ } } public ReadOnlyCollection<LocalFile> ResultsWithoutProcessFiles() { return new ReadOnlyCollection<LocalFile> ((from x in this where x.FileTypeID != FileTypeIDs.ProcessFile select x).ToList()); } #endregion } } ...with the implication that OperationSuccessful is accompanied by a number of more interesting properties on how the operation went, and OldestFileModified and ResultsWithoutProcessFiles() also have several more siblings in the Results Filters section.

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• How does a search functionality fit in DDD with CQRS?

  - by Songo

  In Vaughn Vernon's book Implementing domain driven design and the accompanying sample application I found that he implemented a CQRS approach to the iddd_collaboration bounded context. He presents the following classes in the application service layer: CalendarApplicationService.java CalendarEntryApplicationService.java CalendarEntryQueryService.java CalendarQueryService.java I'm interested to know if an application will have a search page that feature numerous drop downs and check boxes with a smart text box to match different search patterns; How will you structure all that search logic? In a command service or a query service? Taking a look at the CalendarQueryService.java I can see that it has 2 methods for a huge query, but no logic at all to mix and match any search filters for example. I've heard that the application layer shouldn't have any business logic, so where will I construct my dynamic query? or maybe just clutter everything in the Query service?

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• How can I access the scanner functionality of my Samsung CLX 3175N over the network?

  - by Roger De Backer

  I have a Samsung CLX 3175N network capable color laser printer/scanner which was sold as being Linux compatible. Whereas the printer undeed works in the network. It has been impossible up to now to get the scanner working under Ubuntu (safe for using Windows XP running in Virtualbox on the Ubuntu client), but that is not my understanding of Linux compatibility. Is there anybody who knows a method to access a network Scanner in Ubuntu?

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• Site/Project to convert in Java web pages as it is now with complete functionality, look and feel.

  - by pirzada

  I have completed a web site Surfrainbow using ASP.NET and working fine. Completely dynamic with back-end management and Ajax support. This site has to be 100% same as in Java considering look and feel. Conversion is for learning purpose. I am new to Java and learning it fast. I don't want to know how to learn Java. Just want to know what is needed for this project to work in Java related technologies. Want to know How would you handle this project. My questions are 1 - What technologies I will be needing to make this project like Servlets, JSP, JSF etc? 2 - What is needed for Ajax support. Is JQuery supported :)? 3 - What should be used for MVC? 4 - ASP.NET has master pages to simplify design. Anything like this in Java? 5 - Which IDE is best for Java development. JDeveloper/NetBeans? Anything else you can share. Thanks

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• What is the most effective way to add functionality to unfamiliar, structurally unsound code?

  - by Coder

  This is probably something everyone has to face during the development sooner or later. You have an existing code written by someone else, and you have to extend it to work under new requirements. Sometimes it's simple, but sometimes the modules have medium to high coupling and medium to low cohesion, so the moment you start touching anything, everything breaks. And you don't feel that it's fixed correctly when you get the new and old scenarios working again. One approach would be to write tests, but in reality, in all cases I've seen, that was pretty much impossible (reliance on GUI, missing specifications, threading, complex dependencies and hierarchies, deadlines, etc). So everything sort of falls back to good ol' cowboy coding approach. But I refuse to believe there is no other systematic way that would make everything easier. Does anyone know a better approach, or the name of the methodology that should be used in such cases?

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• How would you TDD the functionality of getting the corresponding process of a running windows service?

  - by Matt Spinelli

  Purpose Over the last year or more I've been learning unit testing via books I've read recently like The Art of Unit Testing, Working Effectively with Legacy Code, and others. I've also been using unit tests, mocking frameworks, and the like, periodically at work and definitely see the value. However, I'm still having a hard time wrapping my mind around TDD (as opposed to TAD) when the situation calls for code that is gong to mostly use external API calls. Problem to solve Get the process associated with a windows service using the service name. example: Function GetProcess(ByVal serviceName As String) As Process Rules Show each major iteration in production & test code using TDD No need to see any other code or configuration that is required to get things to run. Just curious about the interfaces, concrete classes, and test methods. C# or VB.NET Must use the .Net framework regarding services/processes (i.e. System.Diagnostics.Process) Test Frameworks: Nunit or MSTest Isolation Frameworks: Moq, Rhino Mock, or Microsoft Moles Must write true unit tests (no integration tests) Additional notes As far as I can tell there are two approaches design wise. Use an Inversion of Control approach along with using the Adapter and/or Facade patterns to wrap the underlying .net framework objects dealing with processes and services. Keep the .net framework code in the class containing the Get Process method and use code detouring (interception) via Microsoft Moles to isolate the hard dependencies from the method under test.

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• Is it possible to set a VPN through Tor? and have functionality for Software Updates?

  - by moazhmi

  Gday, I have been trying to do a software update on Trusty both on terminal and software update app but that hasnt been successful, apparently my ISP has a broken transparent proxy. moazhmi@moazhmi-K52F:~$ wget -S http://extras.ubuntu.com/ubuntu/dists/trusty/InRelease --2014-06-04 17:34:52-- http://extras.ubuntu.com/ubuntu/dists/trusty/InRelease Resolving extras.ubuntu.com (extras.ubuntu.com)... 91.189.92.152 Connecting to extras.ubuntu.com (extras.ubuntu.com)|91.189.92.152|:80... connected. HTTP request sent, awaiting response... HTTP/1.1 200 OK Content-Type: text/html; charset=UTF-8 Content-Length: 213 Date: Wed, 04 Jun 2014 14:34:52 GMT Server: Apache/2.2.22 (Ubuntu) Connection: Keep-Alive Vary: Accept-Encoding Length: 213 [text/html] Saving to: ‘InRelease’ 100%[======================================>] 213 --.-K/s in 0s 2014-06-04 17:34:52 (22.1 MB/s) - ‘InRelease’ saved [213/213] I was advised to refer back to the ISP with a complaint but that has returned with peanuts. My Question is - Is it possible to set a VPN through TOR , i.e whereas I can run software updates through terminals or the app . the browsing is out of question here as I need to update which I am not able to do / only on 12.04.

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• What actions should I not rely on the packaged functionality of my language for?

  - by David Peterman

  While talking with one of my coworkers, he was talking about the issues the language we used had with encryption/decryption and said that a developer should always salt their own hashes. Another example I can think of is the mysql_real_escape_string in PHP that programmers use to sanitize input data. I've heard many times that a developer should sanitize the data themselves. My question is what things should a developer always do on their own, for whatever reason, and not rely on the standard libraries packaged with a language for it?

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• How can I get started using TDD to code some simple functionality?

  - by Gabriel

  I basically have the gist of TDD. I'm sold that it's useful and I've got a reasonable command of the MSTEST framework. However, to date I have not been able to graduate to using it as a primary development method. Mostly, I use it as a surrogate for writing console apps as test drivers (my traditional approach). The most useful thing about it for me is the way it absorbs the role of regression testing. I have not yet built anything yet that specifically isolates various testable behaviors, which is another big part of the picture I know. So this question is to ask for pointers on what the first test(s) I might write for the following development task: I want to produce code that encapsulates task execution in the fashion of producer/consumer. I stopped and decided to write this question after I wrote this code (wondering if I could actually use TDD for real this time) Code: interface ITask { Guid TaskId { get; } bool IsComplete { get; } bool IsFailed { get; } bool IsRunning { get; } } interface ITaskContainer { Guid AddTask(ICommand action); } interface ICommand { string CommandName { get; } Dictionary<string, object> Parameters { get; } void Execute(); }

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• Should I extract specific functionality into a function and why?

  - by john smith optional

  I have a large method which does 3 tasks, each of them can be extracted into a separate function. If I'll make an additional functions for each of that tasks, will it make my code better or worse and why? Edit: Obviously, it'll make less lines of code in the main function, but there'll be additional function declarations, so my class will have additional methods, which I believe isn't good, because it'll make the class more complex. Edit2: Should I do that before I wrote all the code or should I leave it until everything is done and then extract functions?

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• How can I fix intermittent iSight camera functionality on a Macbook Pro 5,2?

  - by Mmmm

  I have a Macbook Pro 5,2 laptop dual booting OSX and Ubuntu. The built-in iSight video camera works only sporadically. By that I mean that sometimes if I boot and try to use the camera it does not work (most of the time) but other times it does. I don't have good repeatable data regarding when it does vs. when it doesn't other than to say that it always seems to work right after I upgrade to a new Linux kernel with the Update Manager and reboot, but then eventually stops working again until I upgrade the kernel again. That is hard to test repeatably, so it's hard to know for sure that that is the case. This has happened consistently with every version of Ubuntu from 10.10 through 11.10. I can get around this by booting into the OS/X partition, since all of the hardware obviously works perfectly on that side of things, but it would be great if I could remain in Ubuntu and do the same thing. Thanks in advance for any inSights.

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• What to use for "localhost" that includes PHP/SQL functionality?

  - by Jack

  I really do not want to install Linux at the moment, I would have to borrow a USB key, move files, format it, flash it, format it again, move files back, give it back... What would you recommend that is lightweight, easily and cleanly uninstallable afterwards (will install Linux when I get a new DVD-ROM, which will be in ~2 weeks), that also supports PHP and SQL? To be precise, I want to install a Wordpress blog, a few plugins, etc, and develop a theme. If there is no such thing for Windows (7, x64 if that matters), let me know too, I will borrow the USB key then (even though it's a pain).

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