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• What alternatives exist of how an agent can follow the path calculated by a path-finding algorithm?

  - by momboco

  What alternatives exist of how an agent can follow the path calculated by a path-finding algorithm? I've seen that the most easy form is go to one point and when the agent has reached this point, discard it and go to the next point. I think that this approach has problems when the game has physics with dynamic objects that can block the travel between point A and point B, then the agent is taken from his original trayectory and sometimes go to the last destiny point is not the most natural behavior. In the literature always I have read that the path is only a suggestion of where the agent has to go, but I don't know how this suggested path must be followed. Thanks.

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• CALayer: callback when animation ends?

  - by carloe

  Hi All, I have been running into some issues with animating multiple CALayers at the same time, and was hoping someone could point me in the right direction. My app contains an array of CALayer. The position of each layer is set to (previousLayer.position.y + previousLayer.bounds.height), which basically lays them out similar to a table. I then have a method that, every-time it is called, adds a new layer to the stack and sets its Y position is set to 0. The Y positions of all other layers in the array are then offset by the height of the new layer (essentially pushing all old layers down). What I am having problems with is preventing the adding of new layers until the previous animation has completed. Is there a way to tell when an implicit animation has finished? Or alternatively, if I use CABasicAnimation and animationDidFinish, is there a way to tell which object finished animating when animationDidFinish is called?

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• Display a MYSQL field using CAKE

  - by adam

  Forgive me if this is a "homework" question. We have a "Rating" table in our mysql db. I want to display this number on our user profile page. JUST BELOW THE GRAVATAR. here is the code in app/views/user/view.ctp <div class="nhplft"> flash(); ? ?d=identicon&s=100" border="0" alt="My Avatar! UID:" / Change Image link("Home",'/items'); ?  |  link('Add',array('controller' = 'items','action'='add')); ?  |  link('Search',array('controller'='items','action'='index')); ?  |  link("Logout",'/users/logout'); } ?

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• Cake PHP redirect with parameters in url

  - by megaboss98

  I have a page that I want to redirect to that requires parameters in the URL: http://www.mysite.com/myController/myAction/param1:val1/param2:val2 I know that there is a Cake PHP redirect function for redirecting that works as follows: $this->redirect(array("controller" => "myController", "action" => "myAction", $data_can_be_passed_here), $status, $exit); How do I add the parameters that I want as part of the url using the above function? I would think that there might be another element that I could add to array so that I can pass along "param1:val1" and "param2:val2". Any help would be greatly appreciated!

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• C / JSON Library in popular Linux distros?

  - by Tim Post

  I have a program written in C that has to input and output JSON over a local domain socket. I've found several C / JSON libraries that 'almost work' through searches. Prior to taking one of the libraries that I found .. I want to be sure that I'm not over-looking a library that is commonly found on modern Linux distros. I'd also really appreciate links to libraries that you use. Most likely, I'll just drop it in tree, unless I realize that I've over looked something widely distributed. I am tagging this as subjective because the answer that I select is the one linking to a library that works for me, that does not mean its the 'best' library. I want to take an existing array and easily convert it to a buffer that can be sent, or take a buffer and easily convert it into an allocated array. Thanks in advance!

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• iPhone TableView Data Into 2 Sections

  - by MrPink

  Hello, I am trying to get a tableview to split data i have in an array into sections... I'm pretty new to this but below is my code snippet - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { if(section == 0) { contentArray = [[NSArray arrayWithObjects:@"Send SMS", @"Reports", nil] retain]; } if(section == 1) { contentArray = [[NSArray arrayWithObjects:@"Accounts", nil] retain]; } return [contentArray count]; } I have split the data successfully into the 2 sections but when populating the rows It just repeats the first content array in both sections. Can any one help... Thanks

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• Introducing the Hardware Sales Consultant (Presales) Team in Greece

  - by fboufis

  Hello World and welcome to the blog of the Oracle Hardware Presales Team in Athens.The team is responsible for a cluster of six (6) countries which includes Greece, Cyprus, Malta, The Former Yugoslav Republic of Macedonia, Albania and Kosovo.We handle the complete hardware & systems software portfolio, namely: Engineered Systems: Purpose-build and General-purpose solutions Servers: SPARC (M & T-Series) & x86 (X-Series) servers Operating Systems: Oracle Solaris & Oracle Linux Virtualization Technologies: Oracle VM, Solaris Zones & Dynamic Domains Storage: NAS (ZFSSA), SAN (Axiom) & Tape (StorageTek) Systems Software: High Availability (Solaris Cluster) & Systems Management (Ops Center) and a multitude of other products, all of which will be the main topic of our blog. We design and propose solutions based on these products and assist both customers and partners in integrating those solutions in existing datacenters.We will be happy to support you in your projects, provide information and discuss your business issues, so do not hesitate to contact us.Filippos Boufis – Oracle Hardware Principal Sales Consultant

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• whats faster, more efficient, loading a js file with arrays or populating arrays from tables

  - by Leigh

  I am rebuilding an ecom site where the product data is stored in a multidimensional JS array that gets loaded on page load. This data is constantly being accessed with JS due to the nature of the site, to update prices based on user selections. There are many options that affect final price. From a programming standpoint, a DB table is much easier to maintain and update than are JS arrays, and since I am porting the site over to PHP and MYSQL, I have been considering moving these arrays into tables. So, would it be better to populate an array from the DB on load so that the pricing data is always available to the JS, or stay with hard coded JS files? I considered getting data via ajax as needed, but since this site has to constantly update pricing with user interaction, I have pretty much ruled that out. How would you handle it?

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• Jquery ajax load of JSON in unit tests

  - by wmitchell

  I'm trying to load a dataset in jasmine for my tests like such ... However as its a json call I cant seem to always get the test denoted by "it" to wait till the JSON call has finished before using its array. I tried using the ajaxStop function to no avail. Any ideas ? describe("simple checks", function() { var exampleArray = new Array(); beforeEach(function(){ $(document).ajaxStop(function() { $(this).unbind("ajaxStop"); $.getJSON('/jasmine/obj.json', function(data) { $.each( json.jsonattr, function(i, widgetElement) { exampleArray.push(new widget(widgetElement)); }); }); }); }); it("use the exampleArray", function() { doSomething(exampleArray[0]); // frequently this is coming up as undefined });

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• [C] converting Bit Field to int

  - by shaharg

  Hi, I have bit field declared this way: typedef struct morder { unsigned int targetRegister : 3; unsigned int targetMethodOfAddressing : 3; unsigned int originRegister : 3; unsigned int originMethodOfAddressing : 3; unsigned int oCode : 4; } bitset; I also have int array, and i want to get int value from this array, that represents the actual value of this bit field (which is actually some kind of machine word that i have the parts of it, and i want the int representation of the whole word). Thanks a lot.

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• .htaccess file to implement multiple redirects

  - by RobMorta

  I have a dynamic site and from .htaccess file creating clean URLs: RewriteCond %{REQUEST_URI} !(\.png|\.jpg|\.gif|\.jpeg|\.bmp)$ RewriteRule ^([a-zA-Z0-9_\-\+\ ]+)$ flight.php?flights=$1&slug=$1 This code worked fine for me but when I created a new type of page and trying to get clean URLs with the same code i.e.: RewriteCond %{REQUEST_URI} !(\.png|\.jpg|\.gif|\.jpeg|\.bmp)$ RewriteRule ^([a-zA-Z0-9_\-\+\ ]+)$ manual-page.php?url=$1&slug=$1 it's not working and if I comment the previous two lines then its is working fine. Only one code is working at a time. For first I have a URL domain.com/flight.php?flight-san-fransisco-london-flights and I want this being redirect to domain.com/san-fransisco-london-flights & from the second one I have domain.com/manual-page.php?url=my-new-page and I want this being redirect to domain.com/my-new-page. Is these any way to get both working together?

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• Return number of objects in NSArray

  - by Viral

  hi friends I am making a book application, in that for moving to next topic i am keeping a button. The Button works as it passes to the next topic , but at the end of the file my application gets message obj_fatal and it crashes. So if i can know that how many number of objects are there in my array(NSARRAY)den the problem will be solved. I am getting the details from a .plist file and storing it in to a array. So if any one know it please let me know. Thanks in advance. Viral.

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• Regular Expression for $_GET query strings

  - by sandelius

  Hi there! I'm trying to find a regular expression for $_GET query strings. I have an array like this: private $_regexp = array( ':id' => '[0-9]+', ':year' => '[12][0-9]{3}', ':month' => '0[1-9]|1[012]', ':day' => '0[1-9]|[12][0-9]|3[01]', ':slug' => '[a-zA-Z0-9-]+', ':query' => '...' ); and I loop throw them to see if I have a matching wildcard like this: if ( array_key_exists($matches[0], $this->_regexp) ) { return '^('.$this->_regexp[$matches[0]].')$'; } All other regexp go throw but I've tried a whole lot of different regexp to find: ?anything=anything can't figure it out, googled like h..l but can't find anything. I've tried, for example something like this: (\?)(.*)(=)(.*) but without result... Any regexp gurus here? / Tobias

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• youtube - video upload failure - unable to convert file - encoding the video wrong?

  - by Anthony

  I am using .NET to create a video uploading application. Although it's communicating with YouTube and uploading the file, the processing of that file fails. YouTube gives me the error message, "Upload failed (unable to convert video file)." This supposedly means that "your video is in a format that our converters don't recognize..." I have made attempts with two different videos, both of which upload and process fine when I do it manually. So I suspect that my code is a.) not encoding the video properly and/or b.) not sending my API request properly. Below is how I am constructing my API PUT request and encoding the video: Any suggestions on what the error could be would be appreciated. Thanks P.S. I'm not using the client library because my application will use the resumable upload feature. Thus, I am manually constructing my API requests. Documentation: http://code.google.com/intl/ja/apis/youtube/2.0/developers_guide_protocol_resumable_uploads.html#Uploading_the_Video_File Code: // new PUT request for sending video WebRequest putRequest = WebRequest.Create(uploadURL); // set properties putRequest.Method = "PUT"; putRequest.ContentType = getMIME(file); //the MIME type of the uploaded video file //encode video byte[] videoInBytes = encodeVideo(file); public static byte[] encodeVideo(string video) { try { byte[] fileInBytes = File.ReadAllBytes(video); Console.WriteLine("\nSize of byte array containing " + video + ": " + fileInBytes.Length); return fileInBytes; } catch (Exception e) { Console.WriteLine("\nException: " + e.Message + "\nReturning an empty byte array"); byte [] empty = new byte[0]; return empty; } }//encodeVideo //encode custom headers in a byte array byte[] PUTbytes = encode(putRequest.Headers.ToString()); public static byte[] encode(string headers) { ASCIIEncoding encoding = new ASCIIEncoding(); byte[] bytes = encoding.GetBytes(headers); return bytes; }//encode //entire request contains headers + binary video data putRequest.ContentLength = PUTbytes.Length + videoInBytes.Length; //send request - correct? sendRequest(putRequest, PUTbytes); sendRequest(putRequest, videoInBytes); public static void sendRequest(WebRequest request, byte[] encoding) { Stream stream = request.GetRequestStream(); // The GetRequestStream method returns a stream to use to send data for the HttpWebRequest. try { stream.Write(encoding, 0, encoding.Length); } catch (Exception e) { Console.WriteLine("\nException writing stream: " + e.Message); } }//sendRequest

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• Confusion on HLSL Samplers. Can I Set Samplers Inside Functions?

  - by Kyle Connors

  I'm trying to create a system where I can instance a quad to the screen, however I've run into a problem. Like I said, I'm trying to instance the quad, so I'm trying to use the same geometry several times, and I'm trying to do it in one draw call. The issue is, I want some quads to use different textures, but I can't figure out how to get the data into a sampler so I can use it in the pixel shader. I figured that since we can simply pass in the 4 bytes of our IDirect3DTexture9* to set the global texture, I can do so when passing in my dynamic buffer. (Which also stores each objects world matrix and UV data) Now that I'm sending the data, I can't figure how to get it into the sampler, and I really want to assume that it's simply not possible. Is there any way I could achieve this?

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• Summarize object area with a Hash in Ruby

  - by Arto Uusikangas

  require 'sketchup' entities = Sketchup.active_model.entities summa = Hash.new for face in entities next unless face.kind_of? Sketchup::Face if (face.material) summa[face.material.display_name] += face.area end end Im trying to get the structure in the array as such: summa { "Bricks" = 500, "Planks" = 4000 } Making a ruby script for Google Sketchup btw But if I run this code i only get Error: #+' for nil:NilClass> C:\Program Files (x86)\Google\Google SketchUp 7\Plugins\test.rb:17 C:\Program Files (x86)\Google\Google SketchUp 7\Plugins\test.rb:14:ineach' C:\Program Files (x86)\Google\Google SketchUp 7\Plugins\test.rb:14 C:\Program Files (x86)\Google\Google SketchUp 7\Plugins\test.rb:8:in `call' As im used to using PHP and just doing $array['myownassoc'] += bignumber; But i guess this isnt the right approach when using Ruby? So any help in how i need to go would be nice.

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• Windows 2008 R2 and Windows 7 SP1 released to manufacturers

  - by Ryan Roussel

  SP1 went RTM today which means it will be widely available soon. According  to the Microsoft server division blog, the service pack will be available to Microsoft's TechNet and MSDN subscribers, as well as to Microsoft volume licensing customers, on Feb. 16, 2011. It will be generally available via the Microsoft Download Center and Windows Update on Feb. 22   You can see the blog and news here: http://blogs.technet.com/b/windowsserver/archive/2011/02/08/windows-server-2008-r2-and-windows-7-sp1-releases-to-manufacturing-today.aspx   New features in SP1 include dynamic memory for Hyper-V VMs and RemoteFX which enables rich desktop content for Virtual Desktop Infrastructure.

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• GA tracking utm query params after hashbang

  - by hybrid9

  We currently use a hashbang for the portion of our site that generates dynamic content which can also be deep linked. Our analytics team wants to use utm params to track the referral traffic from social networks. We are using Universal Analytics (analytics.js) as well as GTM. Will GA pick up the query parameters after the hashbang or does it always have to go before? For example: example.com/#!/some/content?utm_source=foo&utm_campaign=bar example.com?utm_source=foo&utm_campaign=bar/#!/some/content In #1, I'm concerned that the utm params won't be recorded and in #2 the page will break or the url could be incorrectly written. How does GA pull in those parameters - location.search? regex? Can I get away with using either?

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• Stepping thru a plist to get at info

  - by cannyboy

  If I've got a plist set up like this Key Type Value Root Array Item 0 Dictionary -Title String Part One -Description String Welcome to part one. Have fun Item 1 Dictionary -Title String Part Two -Description String Welcome to part two. Fun too. Item 2 Dictionary -Title String Part Three -Description String Welcome to part three. It's free Item 3 Dictionary -Title String Part Four -Description String It's part four. No more How would I step thru to put all the titles in one array, and all the descriptions into another?

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• Reading in 4 bytes at a time

  - by alphomega

  I have a big file full of integers that I'm loading in. I've just started using C++, and I'm trying out the filestream stuff. From everything I've read, it appears I can only read in bytes, So I've had to set up a char array, and then cast it as a int pointer. Is there a way I can read in 4 bytes at a time, and eliminate the need for the char array? const int HRSIZE = 129951336; //The size of the table char bhr[HRSIZE]; //The table int *dwhr; int main() { ifstream fstr; /* load the handranks.dat file */ std::cout << "Loading table.dat...\n"; fstr.open("table.dat"); fstr.read(bhr, HRSIZE); fstr.close(); dwhr = (int *) bhr; }

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• How to load a text file from a server into iPhone game with AS3 in Adobe AIR?

  - by Phil

  Im creating an iPhone game with Adobe AIR, and I want to be able to load a simple text msg into an dynamic text box on the games front screen from my server (and then be able to update that text file on the server, so it updates automatically in the game after the game is on the app store) How would I go about acheiving that? is it as simple as using a getURL? are there any specifical issues with trying to do this on the iPhone via AIR that I should be aware of? Thanks for any advice.

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• string parsing help

  - by sprugman

  I've got a string like this: #################### Section One #################### Data A Data B #################### Section Two #################### Data C Data D etc. I want to parse it into something like: $arr( 'Section One' => array('Data A', 'Data B'), 'Section Two' => array('Data C', 'Data D') ) At first I tried this: $sections = preg_split("/(\r?\n)(\r?\n)#/", $file_content); The problem is, the file isn't perfectly clean: sometimes there are different numbers of blank lines between the sections, or blank spaces between data rows. The section head pattern itself seems to be relatively consistent: #################### Section Title #################### The number of #'s is probably consistent, but I don't want to count on it. The white space on the title line is pretty random. Once I have it split into sections, I think it'll be pretty straightforward, but any help writing a killer reg ex to get it there would be appreciated. (Or if there's a better approach than reg ex...)

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• use callback function to report stack backtrace

  - by user353394

  Assume I have the following: typedef struct { char *name; char binding; int address; } Fn_Symbol //definition of function symbol static Fn_Symbol *fnSymbols; //array of function symbols in a file statc int total; //number of symbol functions in the array and file static void PrintBacktrace(int sigum, siginfo_t * siginfo, void *context) { printf("\nSignal received %d (%s)\n", signum, strsignal(signum)); const int eip_index = 14; void *eip = (void *)((struct ucontext *)context)->uc_mcontext.gregs[eip_index]; printf("Error at [%p] %s (+0x%x), eip, fnName, offset from start); //????? exit(0); } I have this so far, but what is the best way using the fnSymbols static global pointer to identify the function where the error occured and then back trace through the stack to identify each calling function by address, name, and offset?

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• URL-rewriting on Plesk using ISAPI_rewrite3 Lite

  - by Anusha

  I am using Plesk Windows based web server with Windows 2008 server OS with IIS-6 for my e-commerce website. I want to rewrite URLs for all dynamic pages, So I installed ISAPI_Rewrite 3 Lite on my web server also I had uploaded the .htaccess file with the basic rules as follows RewriteEngine on RewriteRule ^contact\.html$ contactus.php? [NC,R] I never worked before with ISAPI neither on URL- rewriting. My doubt is How should I proceed after installation. Should I upload .htaccess or httpd.conf file OR This s/w has ISAPI_Rewrite Manager which gives place to edit httpd.conf, Should I write rules on this. Anyways I had tried all these steps but unfortunately I couldn't find any remedies. Any immediate solution will be appreciable.

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• Faster way to convert from 24 bit wav pcm format to float?

  - by LMO

  I need to read data in from a wav file in 24 bit pcm format, and convert to float. I'm using Python 2.7.2. The wave package reads the data in as a string, so what I've tried is: # read in entire wav file wdata = f.readframes(nFrames) # unpack into signed integers and convert to float data = array.array('f') for i in range(0,nFrames*3,3): data.append(float(struct.unpack('<i', '\x00'+ wdata[i:i+3])[0])) # normalize sample values data = data / 0x800000 This is quite a bit faster than my earlier approaches, but still quite slow. Can anyone suggest a more efficient method?

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