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• java application architecture

  - by LostMohican

  We have to write an administration panel for many customers. But we want to have just one administration panel, and use it in various projects. This admin panel will have basic components such as access control logic, maker-checker system in changes, user logging and etc. It will also have reporting for the customer, logs of transaction of the customer (which can vary according to the industry such as mobile banking, banking, ticket sales). These components may have to be modified according to the business. So we are thinking about the architecture here, Is it OK to use jars of every basic components, and bring them together on a glue application? Or should we build each component as WARs and make interfaces between them? If there are any more ideas, it will be appreciated.

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• Any good site that teaches C++?

  - by Shinmaru

  I am searching for any good site that teaches C++, that can explain most to all things about it(general) and has a decent active community. About Me: I am new to programming(knows nothing of it, so please bare with me), I have only learned(to a very basic form) LUA scripting Language, so yes I am your complete newbie. I got interested in programming, from scripting in LUA, so you can say it was my small stepping stone, One would basically take a course in college, but not everyone is well funded for that and I can't buy books for the same said reason(yes I'm somewhat poor, only money for essentials and bills), I'm not trying to get sympathy, just stating my conditions. and Please, something in between the lines of 'Programming for Dummies'(I'm not the brightest crayon in the box), I know this will not be easy, but your help will be most appreciated. I would learn for either Windows and/or Linux/Unix. I use both. Site(s) I know: Cplusplus.org(quite inactive and tutorials are a little for the programming savvy.

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• code cowboy on the team

  - by MK01

  How do you deal with a team member who is senior to you and always jumps on other people's projects and completes them over night or over the weekend? She seems to work 80 hour weeks whether there is an emergency or not and it is somewhat difficult to predict which part of your todo list she is going to strike next. Sometimes days of your work are wasted because on Monday morning you find a checkin completing the project you've spent most of the previous week working on. To people asking of the quality: Usually it is quite good but: there is also a lot of refactoring of code involved, including code 'owned' by other team members, w/o regard for the test coverage, with the obvious results.

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• Oracle E-Business Financials Recommended Patch Collections (RPCs) for R12.1.3 Have Been Released for August 2012

  - by Oracle_EBS

  What is a Recommended Patch Collection (RPC)? An RPC is a collection of recommended patches consolidated into a single, downloadable patch, ready to be applied. The RPCs are created with the following goals in mind: Stability: Address issues that occur often and interfere with the normal completion of crucial business processes, such as period close--as observed by Oracle Development and Global Customer Support. Root Cause Fixes: Deliver a root cause fix for data corruption issues that delay period close, normal transaction flow actions, performance, and other issues. Compact: While bundling a large number of important corrections, we have kept the file footprint as small as possible to facilitate uptake and minimize testing. Reliable: Reliable code with multiple customer downloads and comprehensive testing by QA, Support and Proactive Support. RPCs are available for the following products: Cash Management Collections E-Business Tax Financials for India Fixed Assets General Ledger Internet Expenses iReceivables Loans Payables Payments Receivables Subledger Accounting For the latest Financials Recommended Patch Collections (RPCs), please view: EBS: R12.1 Oracle Financials Recommended Patches [Doc ID 954704.1].

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• Can't boot ubuntu 12.04, stuck in busybox. Can't view files from ubuntu trial disc, or windows partition

  - by Maura

  So, I'm slightly computer literate, and find myself frustrated and overwhelmed. My computer is a acer laptop, extensa 5620-6572. I have a dual boot with windows vista and ubuntu 12.04. The ubuntu 12.04 I got was from an upgrade, not a disc. I tried to load ubuntu 12.04, and it gets stuck in the "busybox", and I don't know how to proceed from there. I went to my windows partition and downloaded Ex2 from http://sourceforge.net/projects/ext2fsd/ and thought I'd try access my files and save them to a external HD. Then when I restarted my computer and went to windows, it always freezes after it loads the OS. So then, I downloaded and burned a ubuntu 12.04 boot disk, and the disk works fine. But I still can't figure out how to view files on my harddrive.

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• What does an interviewer notice most on my resume?

  - by Need4Sleep

  When applying for a position such as a software developer for a company, what does an interviewer notice most on my resume concerning the work i have done? Is he/she concerned with the amount of work i do with others(Open source projects), The specific accomplishments I've made in my field(programs, apps) or the amount of time i spend helping others(forums, mentoring)? For those of you who have applied and work/worked in a position similar to a software developer,In your personal experience, what do you think helped you the most in landing the job? P.s. if 'software developer' is to broad a term, i would specifically enjoy working with teams to create large applications such as dropbox / google / skype etc...

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• Knowledge of a Language vs. Games in Portfolio

  - by RedShft

  How important is the knowledge of a language versus the games that you have developed in your portfolio? To be more specific. Personally, I dislike C++ for several reason(mainly due to it's complexity, and pointers, and I prefer D as my language of choice thus far. Due to this, I've written two games in D instead of C++ that are my personal projects. Am I wasting my time with D? Should I start using C++ again? For reference, I have 6 months of experience in C++. It's the first language I learned. I have messed around with SDL/SFML and a bit of Direct3D with C++ as well. Even though I like D, i'd rather not waste my time learning it, if it in no way will help me get a job in the gaming industry.

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• Advice on approaching a significant rearrangement/refactoring?

  - by Prog

  I'm working on an application (hobby project, solo programmer, small-medium size), and I have recently redesigned a significant part of it. The program already works in it's current state, but I decided to reimplement things to improve the OO design. I'm about to implement this new design by refactoring a big part of the application. Thing is I'm not sure where to start. Obviously, by the nature of a rearrangement, the moment you change one part of the program several other parts (at least temporarily) break. So it's a little 'scary' to rearrange something in a piece of software that already works. I'm asking for advice or some general guidelines: how should I approach a significant refactoring? When you approach rearranging large parts of your application, where do you start? Note that I'm interested only in re-arranging the high-level structure of the app. I have no intention of rewriting local algorithms.

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• SOLVED: The type or namespace name 'Linq' does not exist in the namespace 'System' - are you missing

  This problem has been cropping up a lot recently - projects will complain of missing namespace's when I open them up and attempt to compile the first time. If this has happened to you then read on for a simple fix. Scenario I don't know if this one is a bug in Visual Studio 2010 (Beta 2 and RC1) or something else but recently I have noticed this error cropping up more and more. When I open an existing project it might fail to compile. I have also noticed it happen when I have downloaded a fresh...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Tile transitions - external vs internal

  - by omgnoseat

  I've been looking at a couple of games and noticed that the transitions between tiles are handled somewhat different. I was wondering which methods are to be used in different situations and why. I'm currently using internal edges in a top-down game, and it's working out so far. But I don't want to run into problems later on, and have to redo the whole tileset. I noticed that platforming games mostly use the internal edges, and top-down games mostly use external and hybrid transitions. I can see how these tiles are used to create "depth" in top-down games, where the player apears to be standing in front of a wall for example. But it seems unlikely that such a small feature decides the entire method for tile transitions. You could always alter the bounding box to create the same effect.

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• Resolution text mode Removing ubuntu-server 10.04

  - by Fabin

  Hello Friends .. I have ubuntu-server on my server and also in terminals and an application squeegee in text mode. This version 9.10 of ubuntu-server system came with a resolution at the terminal, which makes use of the application, the fonts (letters) are very small. Please, if anyone knows how to take the resolution of text mode 10:04 ubuntu server, tell me. To illustrate. I need the resolution is to get as Debian, large fonts! Still using version 9.04, it was the last that still has not implemented the resolution at the terminal (text mode). I remind you that non-use graphical interface. Only text mode. Thanks.

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• How much to charge for being available for support?

  - by Tvrdy

  I am working in small development firm, our main products are ASP.NET and SQL server based. We are deploying a new version of our product and client wants 4-hour response time technical support. Some of this support time will fall outside regular business hours and our boss asked us how much should we charge for being available outside regular business hours? Is it 50% of our hourly fee, 20% ? Any suggestion is appreciated, he is pushing us to speak up and I don't have any idea. I don't want to underprice my free time. Thanks.

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• Free & Open Source XML Editor Built on Maven

  - by Geertjan

  Here you can download the sources of an XML Editor that uses libraries from NetBeans IDE 7.3 Beta 2 as its basis, while using Maven as its build system: http://java.net/projects/nb-api-samples/sources/api-samples/show/versions/7.3/misc/XMLEditorInMavenNBRCP And here's what it looks like to the user: Note: The Favorites window has been rebranded as "File Browser" and Nimbus is used for the look and feel, thanks to a .conf file that is registered in the POM of the application project.  The cool part is that I didn't type one line of code to get the above result and that only those pieces that an XML Editor actually needs are included in the application, though it could be pruned even further.

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• Having a list of rooms with theirs connection to each other, how do I find isolated room groups?

  - by petervaz

  I'm trying to create a small roguelike and went as far as random generating rooms and corridors. Each room is an instanced object and contain an arraylist of the others rooms connected by a corridor. I can single out unconnected rooms but how can I know the rooms that are connected only to each other but not to most of the others, forming an island? to illustrated better the problem here is an image from the console on a bogged level. Rooms 5 and 6 are connected only to each other. What algorithm can I use to detect that?

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• Deals Well With Ambiguity

  A while ago I was talking with my manager at the time about traits that we value in a Program Manager. He related an anecdote about an interview he gave where it became clear that the candidate did not deal well with ambiguity. This is an important trait for nearly every job, but especially for PMs as projects can often change on a dime and its important understand how to make progress amidst ambiguity and eventually drive towards resolving ambiguity. Lately, Ive been asking myself the question,...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• MonoDevelop 2.4 released

  Today we are releasing MonoDevelop 2.4, which includes plenty of new features and improvements. The release highlights are: Workbench usability improvements, which include a new Navigate to Symbol dialog, Solution and Class pad zooming, better pad layout, and many other look & feel improvements. Improvements in project management, with support for standalone assembly projects, and external console support for Windows and Mac. Extensive text editor improvements, including in-line search,...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Should single purpose utility app use a class

  - by jmoreno

  When writing a small utility app, that does just one thing, should that one thing be encapsulated in a seperate class, or just let it be part of whatever class/module is used to start the application? I.e. Main would consist of 2 or three lines calling the constructor and then the DoIt methods, nothing else. Or should Main be the DoIt method, with whatever functions it needs added to the main class? Asking because I want to get some alternative perspective, but couldn't find a similar question. If my google-fu is bad and there's a dup, please close.

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• How to create a minimal installation in VMware Player for browsing?

  - by dbz_a

  I am trying to build a minimal vmware image to use for private browsing (also called a browser appliance). I have tried using images for other small linux distros, most of them are either too heavy (I do not want any other functionality than browsing and downloading) or outdated (DSL, various browser appliance images at vmware official site). I have downloaded the minimal Ubuntu install image (12MB) and was hoping to select only the needed pakcages while installing but it was not asking for my choices anywhere. I am new to the command line installation and I would be thankful if someone could point out how to install only needed packages, and what are the bare-minimum packages to browse internet (I plan to use only firefox and transmission)

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• Targeting a vehicle with complex movement?

  - by e100

  Targeting a vehicle with known constant velocity is simple, and collision is guaranteed. Imprecise AI can be modeled by adding a small error factor. But how would one go about targeting a vehicle whose movements are more complex? Perhaps it's evading the AI or another game object. I've been thinking about how I'd do it myself in a FPS (in which bullets have finite speed) and think there might need to be at least couple of targeting modes based on the target's movement in the previous second or so: If it's near linear (peak acceleration in a certain range) target with the linear model If it's highly irregular (perhaps size of bounding box of recent positions could be used?) , target at an average For now I can assume 2d space, AI is stationary and projectile moves linearly.

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• How to properly shield a Product Owner from outside?

  - by xsAce

  Update: We are a very small team (3 people) and thus I (Scrum Master) and the Product Owner are also developers doing some coding. We are aware of this situation and we are actively trying to recruit some new talents. But it's hard! Meanwhile... we need to adapt... so my question: The Product Owner complains about having too much outside noise (mainly stakeholders feature requests), and he can't focus on the sprint realisation. We agree that we should try to educate people on our process implications (sprint durations and product backlog), to reduce the noise. But as a Scrum Master, how am I supposed to shield a PO from outside? Isn't he supposed to be in contact with the management and business? Also, if people outside don't want to waste too much time learning agile, what is the best way to educate them?

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• Rewriting software using Agile methodologies

  - by Asier

  Suppose you have to rewrite an entire application using Agile methodologies, how would you do it? I guess you could write a big bunch of user stories based in the behavior of your current system. And then implement them in small iterations. But this wouldn't mean that we have the requirements UP FRONT?? Also, when would you start releasing? Agile says we should release early and often, but it doesn't make much sense to release before the complete rewrite has been completed. Anybody has used Agile before to rewrite software? How did you do it?

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• How to offer a cookie opt in/out to users?

  - by Darkcat Studios

  I intend to use google analyticts, and as I understand it I will need to offer users the option to opt out of cookies. The question is this: I HATE these constant cookie option boxes, everyone I ask it getting annoyed by them too. Its nice to have the option, but we all know they have been in use for well over a decade. So - how big of a deal do I have to make about the fact that I'm using GoogleAn? can I pop a small link at the bottom of the page, maybe integrate it into "Privacy policies" page, and give people the option to opt out there? This would be very much the "Assume the majority of users don't mind, but at least make the option available" stance. Ironically setting a cookie seems to be the only way I can see to enforce the opt-out! as IP's change.

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• Is it possible to create an "impossible" rooms in games?

  - by qwerty3000

  Forgive me my lack of knowlegde, but for quite a long time I asked myself whether it was possible to create a continous game space that some player could walk inside and so on, that would be absolutely impossible in reality, e.g. you have a very small house that allows you to go around it to see all sides and the full dimensions, and then, when you enter, it is like a giant hall, without any loading screen or (internal) "model change" and so on. I'm no game designer and I never needed to learn 3D-modelling, so I don't know what is possible and what isn't. And is this the same as Is the "impossible object" possible in computer graphics? this? Or is it just the same category, but not exactly the same question? Thanks.

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• Handling large integers in python [migrated]

  - by Sushma Palimar

  I had written a program in python to find b such that a prime number p divides b^2-8. The range for b is [1, (p+1)/2]. For small integers it works, say only up to 7 digits. But not for large integers, say for p = 140737471578113. I get the error message for i in range (2,p1,1): MemoryError I wrote the program as #!/usr/bin/python3 p=long(raw_input('enter the prime number:')) p1=long((p+1)/2) for i in range (2,p1,1): s = long((i*i)-8) if (s%p==0): print i

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• What kind of performance issues does multiple instances of the exact same object have on a game?

  - by lggmonclar

  I'm fairly new to programming, and I've pretty much learned all the things I know on the go, while working on projects. The problem is that there some things that I just don't know where to begin searching. My question is about performance, and how can multiple instances of the same object affect it -- Specifically, I'm talking about XNA's "GraphicsDevice" class. I have it instanced on four different parts of my game, and in three of those, the object has the exact same values for all the attributes. So, in that case, should I be using the same instance of GraphicsDevice, passing it as a parameter, even if I use it in different classes? I apologize if the question seems redundant, but like I said, I've taught myself most of what I know, so there are quite a few "holes" in my learning process.

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