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• is it valid that a state machine can have more than one possible state for some transition?

  - by shankbond

  I have a requirement for a workflow which I am trying to model as a state machine, I see that there is more than one outcome of a given transition(or activity). Is it valid for a state machine to have more than one possible states, but only one state will be true at a given time? Note: This is my first attempt to model a state machine. Eg. might be: s1-t1-s2 s1-t1-s3 s1-t1-s4 where s1, s2, s3, s4 are states and t1 is transition/activity. A fictitious real world example might be: For a human, there can be two states: hungry, not hungry A basket can have only one item from: apple, orange. So, to model it we will have: hungry-pick from basket-apple found hungry-pick from basket-orange found apple found-eat-not hungry orange found-take juice out of it and then drink- not hungry

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• Content Management Systems - Why Should I Build My Website With One?

  Why would you want your website built using a Content Management System (CMS)? Well, there are quite a few compelling reasons. A CMS is driven by a database that stores all the content of the website and only delivers pages when called for by the users' browser. The CMS has a "back end" where content is added to the database, and all you need to do it is your browser. This changes everything! It means for the first time a site owner can make changes to their website when they want to and how they want to - read on for more information...

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• Weird graphical bug when installing on an Asus G51jx

  - by skeletons

  Each and every time I attempt to install ubuntu 11.04 or 11.10 I get this bug after the very first ubuntu loadscreen pops up from the boot cd. I have been able to successfully load 10.04 and 10.10 on it but it refuses to load 11.10. Even attempting to update from 10.10 to 11.04 caused this very same issue. I am running on an Asus G51jx. Please help I have been trying to get this working for two weeks now. I do like 10.10 but I would rather have 11.10 :(

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• Diminishing Returns - When is it Time to Take Your Website Live?

  Being a perfectionist is not always the best way to be. Especially in a world where being first to market isn't the worst thing ever. Like many things in life, deciding when to take your new website live is a fine balancing act. The sooner you can start building up a readership or client base, the better; but you risk serious damage to your site's reputation if its functional and technical performance is below par. So when is the right time?

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• Building Website with JAX-RS (Jersey)

  - by 0xMG

  Is it discouraged/not-common to build Websites (not web-services!) using Jersey or any other JAX-RS implementation ? I didn't find any guide/tutorial/article regarding that.. At first impression , it seems to me that building website using Jersey (with JSPs as Viewables) is easier and more efficient than using Servlets & JSPs. If anyone did it before , I will be pleased to get tips, Do's & Don'ts, best practices etc... And maybe a good tutorial.

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• F# - When do you use a type class instead of a record when you do not want to use mutable fields?

  - by fairflow

  I'm imagining a situation where you are creating an F# module in a purely functional style. This means objects do not have mutable fields and are not modified in place. I'm assuming for simplicity that there is no need to use .NET objects or other kinds of objects. There are two possible ways of implementing an object-oriented kind of solution: the first is to use type classes and the second to use records which have fields of functional type, to implement methods. I imagine you'd use classes when you want to use inheritance but that otherwise records would be adequate, if perhaps clumsier to express. Or do you find classes more convenient than records in any case?

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• Dropbox 99% instalation crash. Strange "Searching" Ubuntu Software Center bug [closed]

  - by kocios

  Possible Duplicate: Dropbox fails to install, stuck at 99% I just installed Dropbox via Ubuntu Software Center, and the known crash of 99%, which was in Ubuntu Software center, happened. I want to remove Dropbox completely since something went wrong, but I can't. When I start my Ubuntu, it starts a process which eats up all of the CPU. In Ubuntu Software Center, there is a process "Searching Applying Changes", but nothing really happens. When I'm trying to uninstall Dropbox, nothing happens, since the seaching thing is "first". Please, I'm asking for a option which doesn't include proper reinstallation of Dropbox, only of getting rid of it, and without reinstalling the whole Ubuntu system (format, chaos etc).

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• Information system using JQuery [on hold]

  - by user105300

  I would like to develop an information system for a school which will provide a single integrated source of information about any student who studies there. A full student profile will be built up year-by-year, as each student progresses through a degree program from their first point of contact with the university. Which type of JQuery should I use ? Which aspect or feature of it would be useful ? Also, which layer of the three-tier architecture does JQuery belong to ? It would be great if you could help me. Thank you.

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• Which C# Book to take?

  - by Fischkopf

  I was searching for a book to learn C#, but now i'm kinda stuck. I found many people asking the same question, and many people gave answers, but there are so many books about C# that it is really hard to decide which one to take. Now i reduced my choice on two books, but I just can't decide between them. Namely, there are: Programming C# 4.0 and C# 4.0 In A Nutshell The first thing I want to know, are these good choices? I'm not completely new to programming, but I just didn't find the right language until know, but i think C# is the one I was searching for. I know all the bassic stuff from Delphi/Java/Python so I think i'm not a complete beginner in programming. Is there anyone out there that read both books and can cleary explain whats the difference between them? I haven't found many reviews and sort of, so I just don't know which one to chose. Or is there any book that is better suiting me?

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• unable to clean intsall

  - by pkb

  I have downloaded an ISO file of UBANTU 12.10 x86 from the official website (www.ubantu.com). When I tried to install it everything was going good till I got the error message something like "the media you are using is probably currupt or you have an hard disk error . It did't told me what to do. I am already running WINDOW 7 ultimate in my pc and it is running fine i have tested my hard disk for error and no errors was found by "system mechanic pro 11" . after that i tried to install my WINDOW 7 on the same partition and it was successful . Even now I am unable to install UBANTU. It is my first experience with UBANTU so I don't know what to do. please guide me . my email is [email protected]

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• Why are so many questions closed? [migrated]

  - by Justin984

  I just joined this stackexchange, and I'm sure this question will get closed like so many others as being subjective or "not constructive". I did a quick count on the first few pages, and it looks like at least 10% of questions are closed. One page I saw had 22 out of 50 questions closed. What does closing so many questions solve? Apparently it does not reduce the number of "bad questions". Instead it just prevents people who would otherwise be interested in answering from doing so. Why can't the people who dislike all these questions just.. not answer?

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• Should I read Kochan's "Programming in C" (10 years old) [on hold]

  - by notypist

  I plan on learning Obj-C and so I decided to do it by the book and learn C first. The problem: S.G. Kochan's highly acclaimed book "Programming in C" (3rd edition) is almost ten years old now1. I really want to get started and everywhere I looked this seemed like the book for beginners with an assumed zero-knowledge in programming2. So, should I buy it or not? 1: A 4th edition is available to preorder but it's only due in March, 2014! 2: I know some HTML, CSS, and a tiny bit of PHP.

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• Organize a game set

  - by jncunha

  I'm developing a endless running game and I'm not really sure on how to make the set. The first approach was to make a BIG set like 10240x3072 pixels so that we have a nice portion of set. After having like 3 or 4 sets that go along with each other I would work on making their elements sequential and repeatable. However this is getting really heavy for the iPad 1 (it's running good in the iPad 2 and the New iPad) even though I'm splitting all the set in slices through Photoshop. For the implementation I'm using Cocos2D. Is there any better approach to make something like this but truly efficient for the iPad memory? Thank you.

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• I want to combine the databases from two different sites under one URL. How is this possible?

  - by Punct Ulica

  I have a small site that I want to merge with a bigger one. How can I merge the second one with the first? I know that one solution would be to make the smaller one a subdomain of the bigger one, but I would like the following thing to happen: when I click on a category or a tag, posts from both sites/databases would appear. Something like Smashing Magazine did when it assimilated designinformer.com. The other solution and the one that I would prefer would be to merge the two databases, but I don't know if this is possible.

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• Either I'm not confident I just don't know anything [on hold]

  - by zoomerzoom25

  My name is Sael and I'm 14 years old. Since I was 12 and I got my first computer I instantly go interested in making games. So of course like any other I googled it, got discouraged and forgot about it for a few months. When I was 13 I decided to continue programming, and decided that java would best suit me. Now after a year, I have a basic understanding of java and how it works (it just clicked instantly one day). Anyways, my problem is that I know how I'm going to make a simple game in my head, but as soon as I click that "New Project" button on eclipse, I'm instantly lost and can't figure out where to start. I can't do much without a tutorial beside me since my mind is so dependent on it. So here's the question : what can I do to get past this problem of mine, and have any of you felt like this before? sorry if my English is a bit incorrect, Spanish is my main language* I've made Minecraft mods before

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• Website Redirects [on hold]

  - by user40393

  I've been having a bit of an issue today. I run Gematsu.com. At first I thought the site has been going slow all day due to the amount of hits we've been getting the past couple days. But then I realized we'd received even less today, so something wasn't adding up. I ran a check on a website testing site.Turns out I have a bunch of redirects from URLs that I've never heard of. I don't know if they're what's slowing the site down, but I can tell you the site wasn't taking a minute to load yesterday. I tried removing my advertising to see if it was anything on their end, but I still got largely the same results.

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• Accessing Server-Side Data from Client Script: Using Ajax Web Services, Script References, and ...

  Today's websites commonly exchange information between the browser and the web server using Ajax techniques. In a nutshell, the browser executes JavaScript code typically in response to the page loading or some user action. This JavaScript makes an asynchronous HTTP request to the server. The server processes this request and, perhaps, returns data that the browser can then seamlessly integrate into the web page. Typically, the information exchanged between the browser and server is serialized into JSON, an open, text-based serialization format that is both human-readable and platform independent.Adding such targeted, lightweight Ajax capabilities to your ASP.NET website requires two steps: first, you must create some mechanism on

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• How would I go about updating my electronic circuit simulator's 'electricity'?

  - by liqwidice

  I have made an application which allows the user to place down wires, power sources, and inverters on a virtual circuit board. All connections between tiles are automatic, as shown here: As you can see in the last image, the updating of power throughout this grid is not yet functioning. I think I understand how to do this updating conceptually, but getting it to work in my program is appearing to be much more difficult than I first imagined. My source code can be found here. If you have any tips as to how to I might approach this monstrous task, please let me know. EDIT The goal here is to simply get a working application. Getting tiles to pass on power to their neighbors is quite easy, but the tricky part is getting wires to "unpower" after the removal of a power source. The size of the grid is just 18x18, so efficiency really isn't a factor, for those wondering.

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• Ubuntu 13.10 is terrible

  - by user137017

  I was satisfied with 13.04. But when I upgraded to 13.10, I've had a lot of issues and some things just no longer work. To name a few problems: Can't change the brightness My laptop makes more noise than before It freezes more frequently (the kind that doesn't respond to ctr + alt + f2) Sometimes it boots up and and can't play any media files When running a full screened virtual machine in Workstation, ubuntu catches mouse at the edges When I have a VM opened in Workstation and I try to open up another, the first one gets powered off Most irritatingly, when I have a virtual machine running in full screen, every now and then the vm screen goes black and I have to switch to the host and come back 13.10 has offered nothing to compensate for these problems. I would like to get some advice about what I can do. Should I stick with 13.10 and hope the bugs will be fixed? Would a clean reinstall of 13.10 help? Btw, I'm giving some thought to trying other distros.

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• Relationship between databases [closed]

  - by user1525474

  Hi I am getting ready to create my first web aplication.I have some knowledge of databases but I have never used databases with relationship created beetween them and also I am not sure how to acces the data in the relationship.My experience is limited to basic CRUD applications and working on simple tables with no realtionship using PHP and MySql. For example I will be creating a login system and for each user I would like to create a profile page that store different data(name , address , profile image etc.).Some of the info will be the same in both tables so there is no point in creating the same table twice. What I would like is if anyone can tell of some tutorials so I can better understand the concept?

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• Single statement if block - braces or no? [on hold]

  - by Zannjaminderson

  Which is better/more generally accepted? This: if(condition) { statement; } Or: if(condition) statement; I tend to prefer the first one, because I think it makes it easier to tell what actually belongs in the if block, it saves others from adding the braces later (or creating a bug by forgetting to), and it makes all your if statements uniform instead of some with braces and some without. The second one, however, is still syntactically correct and definitely more compact. I'm curious to see which is more generally preferred by others though.

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• How to start cross-platform desktop game development? [closed]

  - by Wamer

  I am interested in developing some 2d game since I have graduated and got some time to spare. I am looking for some advices where to start and with what. My main target platforms are Mac and Windows (later porting/rewriting/modifying for iOS, Android or WP7 is considerable). I need some advices about language I should choose, frameworks, engines and this kind of stuff. I gotta start somehow, but first of all I need to know how. Choosing good language with great framework/engine is key to ongoing successful game development I think.

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• ????????2012?11??: ????OSWatcher Black Box?????????(???)

  - by lanwang

  ????11?????????????(???)???????????OSWatcher Black Box????????;??OSWbb?????????????????;???????OSWatcher Black Box;???????????OSWatcher Black Box Analyzer (OSWbba)?????OSWbb??????  OSWatcher Black Box????????????????????????????,?????:”??OSW (OSWatcher Black Box) ????“??2012?6????????“?RAC????????????” WebEx??????(???)?????:2012?11?15?15:00(????)  ????: 250 409 927 ????????  1. ??????:https://oracleaw.webex.com/oracleaw/onstage/g.php?d=250409927&t=a2. ?????????????????,???????????,????????? InterCall????????Webex???????,???????????,??????:    - ????ID: 31151003   - ????????: 1080 044 111 82   - ?????????: 1080 074 413 29   - ????: 8009 661 55   - ????: 00801148720   - ????????????????MOS?? 1148600.1 ???????:????????????,??????????(31151003)??????(First Name and Last Name) ??????????????????????,???MOS??Doc ID 1456176.1

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• ????????2013?11??: ??RACCheck?????RAC??

  - by Allen Gao

  ???1?????????,????RACCheck????????????,????RACCheck ???????????,??RACCheck ????“11.2.0.3 Upgrade Readiness Feature”? ??,???????????,???????RACCheck ???????????????? :+ ?????????+ RACCheck ??,??,??????????+ RACcheck ??? 11.2.0.3 Upgrade Readiness+ RACcheck ??WebEx??????(???)?????:2013?11?13?15:00(????) ????: 592 310 106????????  1. ??????:https://oracleaw.webex.com/oracleaw/onstage/g.php?d=592310106&t=a2. ????????????????,???????????,?????????InterCall????????Webex???????,???????????,??????:   - ????ID: 25261419   - ????????: 108001201870   - ?????????: 108007121869    - ????: 8009 661 55   - ????: 00801044259   - ????????????????MOS?? 1148600.1 ???????:????????????,??????????(25261419)??????(First Name and Last Name) ????????????????? MOS ?? 1456176.1??????????????????????,?????????????????????????????MOS ?? 1456176.1“Archived 2013" (???)

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• ????????2013?1??:11GR2 ?????????(???)

  - by Allen Gao

  ????1?????????????(???)?????????????????????????11gR2??????????,??????????????????????,??????????????????????     ????????????????????,???????????????,?????????????????,?????????????,??????????????,????????????????????????????     ??,???????????????,??????,???????(??? Oracle Support Lifecycle Advisors????),?????????????????????????? WebEx??????(???)?????:2013?1?15?15:00(????)  ????: 593 957 262 ????????  1. ??????:https://oracleaw.webex.com/oracleaw/onstage/g.php?d=593957262&t=a2. ?????????????????,???????????,?????????InterCall????????Webex???????,???????????,??????:    - ????ID: 71585555   - ????????: 1080 044 111 82   - ?????????: 1080 074 413 29   - ????: 8009 661 55     - ????: 0080 104 4259   - ????????????????MOS?? 1148600.1 ???????:????????????,??????????(31151003)??????(First Name and Last Name)

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