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• Automatic facebook login

  - by Marc Böhmer

  I manage 4 Facebook fan pages. Whenever users make a news on his website, I post it on Facebook. Now I have made it that I only have to press a button and the news were posted. I would like to automate this. How can I do this? My problem is that it is associated with my Facebook account and then it is not running in cron job or nothing is posted. Can I use my login data to a file which the Cronjob can always log in?

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• Exception Handling in MVP Passive View

  - by ilmatte

  Hello, I'm wondering what's the preferred way to manage exceptions in an MVP implemented with a Passive View. There's a discussion in my company about putting try/catch blocks in the presenter or only in the view. In my opinion the logical top level caller is the presenter (even if the actual one is the view). Moreover I can test the presenter and not the view. This is the reason why I prefer to define a method in the view interface: IView.ShowError(error) and invoke it from the catch blocks in the presenter: try { } catch (Exception exception) { ...log exception... view.ShowError("An error occurred") } In this way the developers of future views can safely forget to implement exception handling but the IView interface force them to implement a ShowError method. The drawback is that if I want to feel completely safe I need to add redundant try/catch blocks in the view. The other way would be to add try catch blocks only in the views and not introducing the showerror method in the view interface. What do you suggest?

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• InnoDB not supported by webhost. What now?

  - by Peter Perhác

  I was developing a small WAMP web application on my laptop, where I have an instance of mySQL running and I chose InnoDB for my DB engine. After several weeks' development I wanted to make it available to the public and found out the database server provided by my web host does not support InnoDB, only MyISAM. The create-and-populate script generated from the innoDB schema on my laptop, when executed against the live database, can manage to create individual TABLES but then runs into problems creating the VIEWs. Are views not supported in MyISAM? I know FOREIGN KEYs are not. That's very much why I made the choice of InnoDB... What are my chances of making my innoDB schema design work with myISAM? Is there any straightforward way of converting the whole schema from one storage engine to the other? Should I look for another web host that does provide a mysql db that supports innoDB?

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• c# hierarchy collection library? - anyone know of one (e.g. GetDirectChildren, GetAllChildren, GetPa

  - by Greg

  Hi, Does anyone know of a solid C# library / approach to manage a hierarchy/web type collection? This would be a library that would basic consist of the concept of nodes & relationships, for example to model web pages/files linked under a URL, or modeling IT infrastructure. It would have key methods such as: Node.GetDirectParents() Node.GetRootParents() Node.GetDirectChildren() Node.GetAllChildren() So it's smarts would include the ability to "walk the tree" of nodes based on the relationships when someone does ask for "give me all the children under this node" for example. It ideally include a persistence layer, to save/retrieve such data to/from a databases (e.g. with a Nodes and Relationships table). Thanks

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• What do gurus say about Requirements Traceability Matrix?

  - by Jaywalker

  Our organization is at CMMI Level 2, and as part of the requirements of the level, we have to maintain an RTM which more or less contains the following entries for each requirement: Requirement Description Reference Section Functional Specification Document Reference Section Design Document Reference Section Test Cases Document Now, this might be an overkill for a small project. But more importantly, this could be a nightmare to maintain when the requirements/ features keep changing, and documents have to be constantly updated. What do the gurus say about this? Should one avoid such level of documentation or are there any tools to manage when a "change" out dates so many artifacts? And by using the term 'gurus', I am not talking of coding champs; rather people like Steve McConnel or others who have worked on commercial projects of medium to large scale. Quotes/ book references/ articles will suit me. EDIT: It's not just requirements that change. Design Document can change; well, even test cases may change.

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• Kernel thread exit in linux

  - by Raffo

  Hi guys, I'm here to ask you the difference between a process and a thread in linux. I know that a thread for linux is just a "task", which shares with the father process things that they need to have in common (the address space and other important informations). I also know that the two are creating calling the same function ('clone()'), but there's still something that I'm missing: what really happens when a thread exit? What function is called inside the linux kernel? I know that when a process exits calls the do_exit function, but here or somewhere else there should be a way to understand if it is just a thread exiting or a whole process. Can you explain me this thing or redirect to some textbook?? I tried 'Understanding the linux kernel' but I was not satisfied with it. I'm asking this thing because a need to add things to the task_struct struct, but I need to discriminate how to manage those informations for a process and its children. Thank you.

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• how to set Custom attribute of NSManagedObject which is calculated from other attributes ?

  - by Kundan

  I am using core data framework to manage objects.i have an entity which has several attributes of decimal types. Among them is attribute which is mathematically calculated from other attributes. Ex :- @interface Marks : NSManagedObject { } @property (nonatomic, retain) NSDecimalNumber * answerGradeA; @property (nonatomic, retain) NSDecimalNumber * answerGradeB; @property (nonatomic, retain) NSDecimalNumber * answerGradeC; @property (nonatomic, retain) NSDecimalNumber * total; Here i want attribute total = 3xanswerGradeA + 2xanswerGradeB + 1xanswerGradeC if it is possible to do like this, then how ? please reply. Thanks in advance.

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• Creating folders using PHP in google docs

  - by Isaac

  Hi, Currently I am working on a project integrating google docs to my application using php. However, there is only version1 for the php and I am not well-versed with REST web service. And I am required to create folder using the api. I wonder any people manage/know how to do it? Below is the protocol for the creation of the folder. If anyone know how to do it, I would be glad if you can assist me. Thank you in advance. POST /feeds/default/private/full HTTP/1.1 Host: docs.google.com GData-Version: 3.0 Authorization: Content-Length: 245 Content-Type: application/atom+xml Example Folder

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• Need help for this syntax: "#define LEDs (char *) 0x0003010"

  - by Noge

  I'm doing programming of a softcore processor, Nios II from Altera, below is the code in one of the tutorial, I manage to get the code working by testing it on the hardware (DE2 board), however, I could not understand the code. #define Switches (volatile char *) 0x0003000 #define LEDs (char *) 0x0003010 void main() { while (1) *LEDs = *Switches; } What I know about #define is that, it is either used to define a constant, or a macro, but why in the above code, there are casting like, (char *) 0x0003010, in #define? why the 2 constants, Switches and LEDs act like a variable instead of a constant? Thanks in advance !

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• Unusual Subversion Folders Appeared After Update

  - by Mark Lansdown

  Hello Everyone, I have been using Subversion for about 2 years to manage a large C# project. On a recent Subversion update, a number of new folders were added to my source code folder: \conf \db \locks \hooks 35+ files were also added during the update, all appearing under the 4 new folders. I haven't changed any client (I use TortoiseSVN) or server software related to Subversion, so I'm puzzled why these folders and files were suddenly introduced. It also seems strange that files seemingly related to the internal workings of Subversion are now part of my source code repository. Can anyone shed some light on why this happened? Thanks in advance, Mark

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• MVC Html Layout C# code formatting

  - by Andrew Florko

  I insert into asp.net mvc views C# logic that manages layout like the following: <% if (Model.People.Count > 0 ) { %> <% foreach (var person in Model.People) { %> ... <% }} else { %> <span class="error">Sorry, no people</span> <%} %> I try to minimize <% % code placing "{" symbol on the same line as it's condition (java-style). Html layout looks more clear to me after that. Do you apply C# formatting rules to <% % html injections "}" should be on a new line or manage layout in different way? Thank you in advance!

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• Is it possible to shrink rt.jar with ProGuard?

  - by PatlaDJ

  Is there a procedure by which you can optimize/shrink/select/obfuscate only 'used by your app' classes/methods/fields from rt.jar provided by Sun by using some optimization software like ProGuard (or maybe other?). Then you would actually be able to minimize the download size of your application considerably and make it much more secure ? Right? Related questions: Do you know if Sun's "jigsaw project" which is waited to come out, is intended to automatically handle this particular issue? Did somebody manage yet to form an opinion about Avian java alternative? Please share it here. Thank you.

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• "Mail merge"-like functionality in Dreamweaver, or in any other web editing tool?

  - by Chris Farmer

  I have inherited several related, low-traffic web sites to manage and edit. These sites are implemented with static html, and they've accrued lots of stray tags and other cruft. I want to try to clean these up and migrate them to some common page template framework to simplify design and data changes and improve overall consistency. The pages will change on the timescale of weeks, and since the current web hosting plan does not support any dynamic server technologies, I was hoping to just use Dreamweaver or some other tool to merge my content data with some templating structure. I'd like to do content updates every several days and then run the content back through my templates, resulting in new static html that I can upload to the host. Do any tools support this kind of poor-man's data-driven web application? Are there better ways to approach this problem, aside from moving to a new hosting plan and using ASP.NET or PHP?

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• Customizing File Linkage for a Build Configuration (Not Buil Target)

  - by ZaBlanc

  I have a project that has several build configurations (FREE version, male-only, female-only, etc.). I am avoiding using multiple build targets because (A) the products are mostly all the same and (B) I don't want to have to do checkbox-management to keep every file I have included with all the targets. However, I have just a few files it would be nice NOT to include in certain builds. For example, I have male and female voice files, but I only want the male files in the male build and female voices in the female build. Question...is there a way to manage the build configuration to prevent these files from being included/linked in? What are my options?

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• PHP MYSQL Add up number of entries in single table and display in HTML

  - by Derek

  I have a table called activities which contains a number of activities for projects (for example 6 activities are related to one project). On a manage projects page, you can see the projects, and I have one column which needs to display the number of tasks associated with the project (in that particular row). So basically, I need a query or PHP calculation that can add up the number of tasks for the project and then display this number dynamically! I know exactly what I need, just do not know how to implement it. Any help is much appreciated! Thanks.

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• Spring & Hibernate EJB Events

  - by Miguel Ping

  Is it possible to define a spring-managed EJB3 hibernate listener? I have this definition in my persistence.xml: <properties> <property name="hibernate.ejb.interceptor" value="my.class.HibernateAuditInterceptor" /> <property name="hibernate.ejb.event.post-update" value="my.class.HibernateAuditTrailEventListener" /> </properties> But I would like to manage HibernateAuditInterceptor and HibernateAuditTrailEventListener with spring, so I can do some bean injection (ex: session-scoped bean) within these classes. Is this possible?

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• Easier way to move a project in Eclipse

  - by myplacedk

  My projects changes location, and I need to tell Eclipse this. Today I just delete the project and import it from the new location. But I have a lot of projects, they change location often and the paths a very complicated. I'd like a better way to manage this in Eclipse. For example: J:\iteration234_abc\foo\bar\baz\iffle\dizzle\Project Only the root-folder changes (iteration-number and the idenfier "abc"). After that there are lot of folders. Many folders has tons of subfolders with similar names, which makes finding the folder with GUI time-consuming and very boring. It would be so nice if I could just edit the path. As you may have guessed: The J-drive is a network drive, provided by the source control system. The way to tell source control that I'm working on another itertion, is to continue my work in a different folder. My actual Eclipse workspace normally doesn't contain any projects.

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• Is it a good idea to keep documentation in the VCS?

  - by Jj

  At work we just moved to Mercurial for our VCS from SVN. In SVN we used to have a "docs" folder next to "trunk", in "docs" we would keep all our file documentation, client files, diagrams, mockups, etc. (we use a wiki(Redmine) for internal documentation). Now in a DVCS enviroment we don't need a "trunk" folder, so we drop the code at the root of the repo, and now having a "docs" folder inside the repo feels weird being at the same level that the code. This has taken me to reconsider if it is a good idea to keep those files in the VCS, we have a "documents" section in Redmine, but I have never used it because it is a pain to have to download a file each time I want to open it and I can't access the file when I'm offline. What best practices have you guys found to manage these kind of non-code files?

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• Drupal : how to emulate the public/private attribute available in WordPress

  - by Parneix

  Hi, Basically, I'm looking for an easy way (module) to add a private/public option to any kind of content I may published in Drupal (blog entry, image, etc.). So that when I'm logged in, I can see everything. But when an anonymous user visit the site, he will only see the public stuff. It's way to manage a kind of front window/back-store architecture. I can use the same Drupal installation to all my needs and choose to filter the stuff I may want to make publicly available. * Important : 1) Private items must not be accessible even if anonymous users guess its URL; 2) Private item must not show up if anonymous user perform a search; 3) Private content must not be indexed by search engines; 4) Private items should show up if I perform a search while being logged in. Any idea? Thanks a lot, P.

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• Document -> Flash viewer, not hosted

  - by Dane

  I've got a content management solution where we present scanned images (TIFF), PDFs, word docs for viewing. While we can simply embed a PDF, sometimes depending on user preferences it's a bit fiddly and sometimes not user-intuitive. I'd like a solution like scribd, embedit, etc, but not hosted. I want to run the application on our own servers and manage it that way (for legal reasons, and our clients won't buy the service if it's hosted somewhere else). SWFtools looks a little basic for my needs, plus doesn't do doc, docx or ppt. Any options? Doesn't have to be free, but would be ideal.

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• How to Software Service Industry get their Client from or where do they look for their Clients ?

  - by Rachel

  This question is inclined more towards Business Side of Software Industry, I am sure that we have two types in Software Industry as with any other Industry, i.e, Service side and Product Side. Basically for Product based company, we are looking more into product features and to see if market if mature or not for particular product but as far as Service Based company goes (may be it can be big giants like Infosys, TCS or Sapient or some midsize or small companies which provide services like:Web Design,Website Design,Corporate Identity,Logo Design,Flash Design,Web Applications,Enterprise Portal,Rich Internet Applications,Business Applications,Technology Consulting,Ecommerce,Online Store Creations,Custom Shopping Carts,Ecommerce Hosting,Website Marketing,Organic SEO,Pay-Per-Click,Social Media Optimization,Mobile,Mobile Website and Mobile Applications) where do they look for Client and how do they manage to get one ? So my basic question is Where do Service Based Companies Look for Client or get their Clients Form ?

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• ZeroMQ Java Installation Problem

  - by Ivan

  Hi everyone, I'm trying to install ZeroMQ's Java library but I've been having problem. First error was ./configure complained about JAVA_HOME which everything seemed to be fine but I couldn't manage to solve it but I've found a particular solution in ZeroMQ's chat logs. The suggested solution was; JAVA_HOME="/System/Library/Frameworks/JavaVM.framework/Home" ./configure However it doesn't work for me. The error message I've been receiving is checking for jni.h in /Library/Java/Home/include... configure: error: cannot find jni.h in /Library/Java/Home/include. I've tried JAVA_HOME="/System/Library/Frameworks/JavaVM.framework/Home" ./configure and JAVA_HOME="/System/Library/Frameworks/JavaVM.framework/Versions/1.6/Home" ./configure as well but still no luck. I'd like to hear StackOverflowers' thoughts about how I can solve this. Thanks.

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• Can't find netbooted for Kerrighed pxe boot with Ubuntu Lucid Server

  - by Pengin

  I'm following installtion guides for pxe booting and kerrighed. I can't find the package nfsbooted for Ubuntu 10.04. Where did it go? Context: At work I have access to 8 mini-ITX PCs and am trying to build a cluster. My plans include trying Condor, GridGain, Hadoop, and recently Kerrighed has caught my eye. (I reaslise these are all for different kinds of things, I'm just evaluating). Ideally, I'd like to have all the nodes network boot from a single server, since that seems so much easier to manage, plus I can 'borrow' additional PCs for a while without touching their HD. I've been getting on great with Ubuntu Lucid Server (10.04), trying to follow the only guides I can find to get pxe booting (and ultimately kerrighed) to work. This guide is for Ubuntu 8.04 and this one is for Debian. They both refer to a package I can't seem to find, nfsbooted. Has this package been replaced? Am I doing something daft?

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• Are memory barriers necessary for atomic reference counting shared immutable data?

  - by Dietrich Epp

  I have some immutable data structures that I would like to manage using reference counts, sharing them across threads on an SMP system. Here's what the release code looks like: void avocado_release(struct avocado *p) { if (atomic_dec(p->refcount) == 0) { free(p->pit); free(p->juicy_innards); free(p); } } Does atomic_dec need a memory barrier in it? If so, what kind of memory barrier? Additional notes: The application must run on PowerPC and x86, so any processor-specific information is welcomed. I already know about the GCC atomic builtins. As for immutability, the refcount is the only field that changes over the duration of the object.

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• Hudson jobs won't call javac?

  - by Dissonant

  Hi, I have just set up Hudson on my server. For some reason, my build will not call javac to compile my builds...? I have set the path to the JDK in the Manage Hudson area, and it seems to recognise it (doesn't give me a warning). Is there something else I'm supposed to do? Here's a sample console output of one of my jobs (note how javac isn't called at all): Started by user admin Checking out svn+ssh://myhost.com/Project1 A /src/Program.java A build.xml U At revision 119 no change for svn+ssh://myhost.com/Project1 since the previous build Finished: SUCCESS

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