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  • Java or C# + XNA for some simple animations?

    - by lala
    I want to make a program that will involve some faces with various facial expressions. They will change from one facial expression to another based on their "mood" as influenced by user input. I know some java but I have done pretty much nothing with graphics. A friend tells me that it will be easier to do this in C# with XNA than to do it in java. I have about a month to do this, so I was hoping you folks would help me make a decision. Would I be better off figuring out how to do this in java, or learning C# and XNA and doing it in C#? Is it so much easier to do this in C# that it would be quicker to learn C# than to struggle with doing it in java? Will it probably come out looking much better if it is in C#?

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  • Does a CPU assigns a value atomically to memory?

    - by Poni
    Hi! A quick question I've been wondering about for some time; Does the CPU assign values atomically, or, is it bit by bit (say for example a 32bit integer). If it's bit by bit, could another thread accessing this exact location get a "part" of the to-be-assigned value? Think of this: I have two threads and one shared "unsigned int" variable (call it "g_uiVal"). Both threads loop. On is printing "g_uiVal" with printf("%u\n", g_uiVal). The second just increase this number. Will the printing thread ever print something that is totally not or part of "g_uiVal"'s value? In code: unsigned int g_uiVal; void thread_writer() { g_uiVal++; } void thread_reader() { while(1) printf("%u\n", g_uiVal); }

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  • validate XML with XSD in c++

    - by katl
    Hi! Im pretty new to both XML validation and C++ (more familiar with Java..) so I guess this is a trivial question. If I have a XML file and a XSD schema, how is the best way to validate them? Id like to to this in c++ without using external libraries, or as little libraries as possible, is it possible? Other ideas of how this can be done? I want a simple solution, the output needed is just if the validation i successful or not. Any help is appreciated // Katarina

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  • Need an efficient algorithm solve this kind of complex structure

    - by Rizvan
    Problem Statement is : Given 2 Dimensional array, print output for example If 4 rows and 6 columns, output would be: 1 2 3 4 5 6 16 17 18 19 20 7 15 24 23 22 21 8 14 13 12 11 10 9 I tried it is looking like square within square but when I attempted this problem, I put so many while and if loops but didn't got exact answer. If row and columns increases how to handle it? This is not homework. I was learning solving complex structure so I need to understand it by some guidance.

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  • Python os.path.walk() method

    - by Aaron Moodie
    I'm currently using the walk method in a uni assignment. It's all working fine, but I was hoping that someone could explain something to me. in the example below, what is the a parameter used for on the myvisit method? >>> from os.path import walk >>> def myvisit(a, dir, files): ... print dir,": %d files"%len(files) >>> walk('/etc', myvisit, None) /etc : 193 files /etc/default : 12 files /etc/cron.d : 6 files /etc/rc.d : 6 files /etc/rc.d/rc0.d : 18 files /etc/rc.d/rc1.d : 27 files /etc/rc.d/rc2.d : 42 files /etc/rc.d/rc3.d : 17 files /etc/rc.d/rcS.d : 13 files

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  • What host do I have to bind a listening socket to?

    - by herrturtur
    I used python's socket module and tried to open a listening socket using import socket import sys def getServerSocket(host, port): for r in socket.getaddrinfo(host, port, socket.AF_UNSPEC, socket.SOCK_STREAM, 0, socket.AI_PASSIVE): af, socktype, proto, canonname, sa = r try: s = socket.socket(af, socktype, proto) except socket.error, msg: s = None continue try: s.bind(sa) s.listen(1) except socket.error, msg: s.close() s = None continue break if s is None: print 'could not open socket' sys.exit(1) return s Where host was None and port was 15000. The program would then accept connections, but only from connections on the same machine. What do I have to do to accept connections from the internet?

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  • What is so great about Visual Studio?

    - by Paperflyer
    In my admittedly somewhat short time as programmer, I have used many development environments on many platforms. Most notably, Eclipse/Linux, XCode/OSX, CLI/editor/Linux, VisualDSP/Blackfin/Windows and MSVC/Windows. (I used each one for several months) There are neat features in pretty much all of them. But somehow, I just can't find any in MSVC. Then again, so many people really seem to like it, so I am probably missing something here. So please tell me: What is so great about Visual Studio? Things I like: Refactoring tools in Eclipse Build error highlighting in XCode and Eclipse Edit-all-in-Scope in XCode Profiler in XCode Flexibility of Eclipse and CLI/editor Data plotting in VisualDSP Things I don't like Build error display in MSVC (not highlighted in code) Honestly, this is not meant to be a rant. Of course I am a Mac-head and biased as hell, but I have to use MSVC on the job, so I really want to like it.

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  • How do i Convert a Select to a Checkbox

    - by streetparade
    That sounds pretty odd but i have this cod and i need to convert it to checkbox, with the same functionalities <select onchange="document.getElementById('reasonDiv{$test->id}').style.display = ''; document.getElementById('reason{$test->id}').value = this.value;" name='reasonId{$test->id}' id='reasonId{$test->id}'> <option value=''>Test</option> {foreach item=test from=$testtmp.6} <input type="checkbox" value='{include file='testen.tpl' blog=$test1 member=$test2 contents=$test->contents replyId=$test->predefinedreplyid }' label='{$test->predefinedreplyid}' {if $test->predefinedreplyid==$test1->declineId}selected="selected"{/if}>{$test->subject}</option> {/foreach} </select> How can i do that? Thanks for help

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  • how to access a different movieclip within the flash in AS3

    - by Pieter888
    I've been trying to learn Action Script 3 the past few weeks, making tiny interactive games to learn the basics. I stumble upon a problem every now and then but most of the times google helps me out. But this problem has got me stuck so please help: The main stage contains two objects(movieclips), the player and a wall. The player has got his own code so when I drag in the player object I don't have to write any code into the main stage to be able to move the player. This all worked pretty well and I now wanted to add the wall so the player actually has something to bounce into. Now here is the problem, I want to check if the player touches the wall, I've done this before but that was when I used the main stage as my coding playground instead of putting the code in movieclips. How can I check if the player hits the wall within the movement code of the player object?

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  • What is XML good for and when should i be using it?

    - by Haroldo
    I'm curious, I've been developing pretty powerful websites/web apps, and I've never learnt XML, even odder I've never really felt the need to. It's not like Curl or Prepared Statements where before knowing what they did and how they worked I had a feeling 'there's got to be an easier way to do this!' or 'there's got to be something designed for this!'. Currently I work with MySQL and JSON and I don't have this feeling of 'I need to learn that' (XML), this must be wrong! I'm really interested to hear some compelling arguments for XML, and learn about things which it can do beter than JSON or MySQL (or some other aspect of web dev) and when i should be using it!

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  • aligning extern constants (gcc)

    - by ~buratinas
    I want to make some static constants globally visible. I'm pretty familiar how to do that in C++. The problem is that these constants need to be aligned to some exotic boundary. Do I have to specify the alignment in extern declaration? I'm using GCC4.5 in *.cpp file static const constant_t constant __attribute__((aligned(64))) = {blah,blah,blah}; in *.h file //Which one is correct? extern const constant_t constant; extern const constant_t constant __attribute__((aligned(64)));

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  • Getting all inner classes by reflection

    - by Roman
    I have the following problem. I have this pretty class and now I want to get all the classes that extend that class (inner classes ) and fill 'classList' with it. ( in an automatic way of course ) public abstract class CompoundReference { private static List<Class<? extends CompoundReference>> classList = new ArrayList<Class<? extends CompoundReference>>(); @CompoundKey(gsType = User.class, dbType = UserDetailsMappings.class) public static class CUser extends CompoundReference { } @CompoundKey(gsType = Catalog.class, dbType = CatalogDetailsMappings.class) public static class CCatalog extends CompoundReference { } @CompoundKey(gsType = Product.class, dbType = ProductDetailsMappings.class) public static class CProduct extends CompoundReference { } @CompoundKey(gsType = Category.class) public static class CCategory extends CompoundReference { } @CompoundKey(gsType = Poll.class, dbType = PollDetailsMappings.class) public static class CPoll extends CompoundReference { } // much mroe inner classes Some manual solution would be just to main such a static block , that is something that I dont want to do. static { classList.addAll(Arrays.asList(CUser.class, CCatalog.class, CProduct.class, CCategory.class, CPoll.class, CComment.class, CWebPage.class, CReview.class, CPost.class, CMessage.class, CStory.class,CPicture.class)); }

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  • JQuery selectors select from an html object other than from document root?

    - by orangebrainer
    jQuery selectors select from the document. How do I select from somewhere else other than root? Say I want to select some children from an html object. For this function dothis(obj) { $j("#tabs").removeClass(); $j("#tabs>ul").removeClass(); $j("#tabs>ul>li>a").each(function() { var tabNum = $j(this).attr("href").replace("#", ""); var tabContent = $j("div[id=" + tabNum + "]"); tabContent.removeClass(); $(tabContent).before("<br><h1>" +$j(this).text() + "</h1>\n" ); }); $j("#tabs>ul").each(function() { $j(this).empty();//remove Ul links on top }); } I want to reference the selectors from an html Object (obj) i passed into as argument, instead of selecting from document. Sorry I'm pretty new to jQuery.

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  • Where do you find images and graphics designers for your softwares ?

    - by ereOn
    Hi, As a programmer, I'm sure some of you already experienced the same problem: You create a good software (free, open-source, or for friend-only diffusion, whatever) relying on good code and good ideas but since you're a programmer and not an image designer, your program looks just bad. While it seems pretty easy to find motivated developpers to join for free an open-source project, it seems quite hard to find a single free graphic designer. What free and good resources do you usually use for your programs/websites ? Do you have any cool tip that you're willing to share ? Do you know any place where to find people involved into graphic design willing to participate to open-source projects ?

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  • Algorithm for finding all paths in a NxN grid

    - by Periastron
    Imagine a robot sitting on the upper left hand corner of an NxN grid. The robot can only move in two directions: right and down. How many possible paths are there for the robot? I could find solution to this problem on Google, but I am not very clear with the explanations. I am trying to clearly understand the logic on how to solve this and implement in Java. Any help is appreciated. Update: This is an interview question. For now, I am trying to reach the bottom-right end and print the possible paths.

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  • Send files between python+django and C#

    - by SuitUp
    Hi, i would like to know, what is the best way to send files between python and C# and vice versa. I have my own protocol which work on socket level, and i can send string and numbers in both ways. Loops works too. With this i can send pretty much anything, like package of users id, if it is simple data. But soon i will start sending whole files, maybe xml or executables. Simple server with files is no an option because i want sending files from client too. I was thinking about serialization but i don't know it is the best solution, but if it is i will love some tips from stackoverflow community. EDIT: I added django to question and chose using http.

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  • Proper use of of typedef in C++

    - by dicroce
    I have coworkers who occasionally use typedef to avoid typing. For example: typedef std::list<Foobar> FoobarList; ... FoobarList GetFoobars(); Personally, I always hate coming across code like this, largely because it forces me to go lookup the typedef so I can tell how to use it. I also feel like this sort of thing is a potential slippery slope... If you do this, why aren't you doing it more? (pretty soon, your code is totally obfuscated). I found this SO question regarding this issue: when should I use typedef in C I have two questions: 1) am I truly alone in disliking this? 2) If the vast majority of people think this sort of typedef use is OK, what criteria do you use to determine whether to typedef a type?

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  • Converting button events etc to ASP.NET MVC

    - by Sophie88
    Given an asp.net webform page which does something like asp.net <asp:textbox id="txtA" runat="server" /> <asp:textbox id="txtB" runat="server" /> <asp:button id="btnAddTogether" runat="server" text="Go" onclick="btn_Click"/> <asp:textbox id="txtResult" runat="server" /> code behind protected void btn_Click(...) { txtResult.Text = txtA.Text + txtB.Text; } How would I convert this to ASP.NET MVC. It's a pretty trivial example, but I'm not sure about how to change my way of thinking.

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  • Real time App with Facebook

    - by Casebash
    Does Facebook provide access to any real time APIs so that you can respond to events as soon as they happen? If not, what alternatives are there and what are their limitations? For example, if I use polling instead, will they limit my api calls? And if I try using RSS feeds, about how much delay can I expect? Or maybe it would be possible to receive and process email notifications (if I could convince a user to forward mail to another email address), as they seem to be dispatched pretty promptly?

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  • Render view as string when Ajax request to view is made

    - by mare
    I have my views render to route requests like /controller/action (for instance, /Page/Create), so pretty classic. I am creating a form where view will be loaded through AJAX request with jQuery get(), so essentially I need my Views or to be precise, my controller actions, to return plain HTML string when an AJAX request is made to the route that renders the View. I want to use the same views as for normal requests, so I cannot afford to create any new views. It is something like calling RenderPartial("MyViewUserControl") but from inside the JS code.

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  • Reference and Value confusion

    - by rgamber
    Hi I read this question on Stack overflow, and tried to do an example. I had the below code: public static void main(String[] args){ int i = 5; Integer I = new Integer(5); increasePrimitive(i); increaseObject(I); System.out.println(i); //Prints 5 - correct System.out.println(I); //Still prints 5 System.out.println(increaseObject2(I)); //Still prints 5 } public static void increasePrimitive(int n){ n++; } public static void increaseObject(Integer n){ n++; } public static int increaseObject2(Integer n){ return n++; } Does the increaseObject print 5 because the value of reference is changing inside that function? Am I right? I am confused why the increasedObject2 prints 5 and not 6. Can anyone please explain?

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  • SMS connecting to phone from C# and getting response

    - by I__
    here's my VBA code: Public Sub SendSMS() Dim n As Integer n = FreeFile ' Change the string below if using a different COM port or the port speed Open "COM3:9600,N,8,1" For Output As #n Print #n, "AT" Close #n End Sub i'm trying to connect to my phone that is attached to this computer. i need the solution either in VBA or c# and i need to be able to send a receive SMS with my code and get responses from the phone. how do i catch responses to my AT COMMANDS? in hyperterminal you see responses right away, i want to be able to see them here as well, how do i do it? any takers?

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  • Perl, `push` to array reference

    - by Mike
    Is it possible to push to an array reference in Perl? Googling has suggested I deference the array first, but this doesn't really work. It pushes to the deferenced array, not the referenced array. For example, my @a = (); my $a_ref = [@a]; push(@$a_ref,"hello"); print $a[0]; @a will not be updated and this code will fail because the array is still empty (I'm still learning Perl references, so this might be an incredibly simple question. Sorry if so)

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  • Problem when exiting search in iPhone

    - by camilo
    Hi. I have a search display controller, and it is searching well. I'm searching in a table with several sections and I have a viewForHeaderInSection function working as it's supposed to. When I start searching, my numberOfSectionsForTableView returns 1, and I have a special view saying "Search Results" wich I use in self.searchDisplayController.searchResultsTableView. The problem happens when I select a row in my searchResultsTableView: I change the view, and when I return and try to exit the searchDisplayController (by pressing the CancelButton), the tables change nice, but changing the viewforHeader for my first section is not "pretty". I have a "kind-of-click" anymation. I would like it to not be so noticeable for the user, having a more "fluid" change. Anybody had the same problem and knows how to solve it? In a different question (which would work as a workaround): how can I hide the keyboard while searching without pressing the Cancel or Search buttons? Thanks a lot!

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  • How to map one class against multiple tables with SQLAlchemy?

    - by tote
    Lets say that I have a database structure with three tables that look like this: items - item_id - item_handle attributes - attribute_id - attribute_name item_attributes - item_attribute_id - item_id - attribute_id - attribute_value I would like to be able to do this in SQLAlchemy: item = Item('item1') item.foo = 'bar' session.add(item) session.commit() item1 = session.query(Item).filter_by(handle='item1').one() print item1.foo # => 'bar' I'm new to SQLAlchemy and I found this in the documentation (http://www.sqlalchemy.org/docs/05/mappers.html#mapping-a-class-against-multiple-tables): j = join(items, item_attributes, items.c.item_id == item_attributes.c.item_id). \ join(attributes, item_attributes.c.attribute_id == attributes.c.attribute_id) mapper(Item, j, properties={ 'item_id': [items.c.item_id, item_attributes.c.item_id], 'attribute_id': [item_attributes.c.attribute_id, attributes.c.attribute_id], }) It only adds item_id and attribute_id to Item and its not possible to add attributes to Item object. Is what I'm trying to achieve possible with SQLAlchemy? Is there a better way to structure the database to get the same behaviour of "dynamic columns"?

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