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  • long startup time...Need help

    - by Jeff
    My app is all done and working great. So now I ran it on a old iPhone and the app takes 17.3 seconds to start!?!? i spent a lot of time looking into it and i found that the reason it is taking so long to load is i have a lot of views and each view has a png background image. All my views and made in IB and in my code: #import "MyTestAppDelegate.h" #import "MyTestViewController.h" @implementation MyTestAppDelegate @synthesize window; @synthesize viewController; - (void)applicationDidFinishLaunching:(UIApplication *)application { // Override point for customization after app launch [window addSubview:viewController.view]; [window makeKeyAndVisible]; } - (void)dealloc { [viewController release]; [window release]; [super dealloc]; } @end At the end of the code where is says: [window addSubview:viewController.view]; the app seems to be loading all the views in the nib at the same time. All the png's from all the views are about 12mb. There is no need for the app to load all the views at the same time during startup. Is there a way i can only load the first "home" view at startup? (All the views are part of the same nib.)

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  • Need an advice for ASP.NET MVC2 Newsletter Project

    - by ck3g
    I'm new in ASP.NET MVC2. But I want to develop a simply Newsletter site. The main problem which stuck me is how correctly use MVC pattern in News details and comments list. For example: I have a NewsController and action Details inside. And two model classes News and Comments. I want show all comments belongs to this News record and textarea for adding new comments. I wand display all this content in /News/Details/ How can i do it? I tried use PartialViews in Details View: one for Adding Comment and another for Comment list. I have passed comment object thorough ViewData["Comment"]. But i have problems with my models (think I cant use two models in View) Again. How can I display Single Post + Comments + add comment view at single page using ASP.NET MVC2? Another Example is stackoverflow.com. Here is an question + answers + write answer. I need same structure

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  • Need help implementing this algorithm with map reduce(hadoop)

    - by Julia
    Hi all! i have algorithm that will go through a large data set read some text files and search for specific terms in those lines. I have it implemented in Java, but I didnt want to post code so that it doesnt look i am searching for someone to implement it for me, but it is true i really need a lot of help!!! This was not planned for my project, but data set turned out to be huge, so teacher told me I have to do it like this. I was reading about MapReduce and thaught that i first do the standard implementation and then it will be more/less easier to do it with mapreduce. But didnt happen, since algorithm is quite stupid and nothing special, and map reduce...i cant wrap my mind around it. So here is shortly pseudo code of my algorithm LIST termList (there is method that creates this list from lucene index) FOLDER topFolder INPUT topFolder IF it is folder and not empty list files (there are 30 sub folders inside) FOR EACH sub folder GET file "CheckedFile.txt" analyze(CheckedFile) ENDFOR END IF Method ANALYZE(CheckedFile) read CheckedFile WHILE CheckedFile has next line GET line FOR(loops through termList) GET third word from line IF third word = term from list append whole line to string buffer ENDIF ENDFOR END WHILE OUTPUT string buffer to file Also, as you can see, each time when "analyze" is called, new file has to be created, i understood that map reduce is difficult to write to many outputs??? I understand mapreduce intuition, and my example seems perfectly suited for mapreduce, but when it comes to do this, obviously I do not know enough and i am STUCK! Please please help.

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  • Why do we need serialization in web service

    - by Cloud2010
    I have one webservice: public class Product { public int ProductId { get; set; } public string ProductName { get; set; } } public class Service : System.Web.Services.WebService { public Service () { //Uncomment the following line if using designed components //InitializeComponent(); } [WebMethod] public List<Product> GetItems() { List<Product> productList = new List<Product>() { new Product{ProductId=1,ProductName="Pencil"}, new Product{ProductId=2,ProductName="Pen"} }; return productList; } and in a asp.net application I am consuming it like: localhost.Service s = new localhost.Service(); List<localhost.Product> k = new List<localhost.Product>(); k = s.GetItems().ToList(); // i am getting the values here. now my question is do I need to serialize my webmethod as i am returning custom types? when should we serialize ? is it necessary at all, if yes , then what are the conditions?

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  • What do I need to do besides code?

    - by user151841
    I'm a single-person operation for my small employer. I'm working on a couple of web applications that have grown to medium-size. We have backups going and everything is in version control with Subversion. I have comments in my code, but documentation outside of code is "spotty at best", and frequently things change. What do I need to do to bring it to the next level, beyond a pile of ( version-controlled, well-commented ) code? What would you say is required to have a robust set of documentation outside of the codebase itself, where the project is at, and where it's going? Ideally I would like some integrated system that would go from brainstorm, to requirements, to tracking bugs and features in svn check-in messages, to documentation. Would trac or redmine do something like this? I would like to show to my boss, "This is the prioritized list of features, this is where we are now, this is how long I spend on this feature, how long I spent on this bug" and I'd like to spend the minimum amount of time managing the projects :) What about ERD and UML diagrams? Is a project incomplete without them?

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  • LINQ Sorting - First three need to be different manufacturers

    - by Rob
    My OM has a 'product' object. Each product has a 'manufacturer id' (property, integer). When I have a list of products to display, the first three are displayed as the 'featured products'. The list is already sorted in a specific sort order, putting the 'featured' products first in the list. However, I now need to ensure the featured products in the listing are from different Manufacturers. I want to have a method to call to do this re-sorting. Trying to utilize LINQ to to the querying of the input 'products' and the 'results' public List<Product> SetFeatures(List<Product> products, int numberOfFeatures) { List<Product> result; // ensure the 2nd product is different manufacturer than the first .... // ensure the 3rd product is a different manufacturer than the first two... // ... etc ... for the numberOfFeatures return result; } Thanks in advance.

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  • Perl need the right grep operator to match value of variable

    - by iaintunderstand
    I want to see if I have repeated items in my array, there are over 16.000 so will automate it There may be other ways but I started with this and, well, would like to finish it unless there is a straightforward command. What I am doing is shifting and pushing from one array into another and this way, check the destination array to see if it is "in array" (like there is such a command in PHP). So, I got this sub routine and it works with literals, but it doesn't with variables. It is because of the 'eq' or whatever I should need. The 'sourcefile' will contain one or more of the words of the destination array. my @destination = ('hi', 'bye'); sub in_array { my ($destination,$search_for) = @_; return grep {$search_for eq $_} @$destination; } for($i = 0; $i <=100; $i ++) { $elemento = shift @sourcefile; if(in_array(\@destination, $elemento)) { print "it is"; } else { print "it aint there"; } } Well, if instead of including the $elemento in there I put a 'hi' it does work and also I have printed the value of $elemento which is also 'hi', but when I put the variable, it does not work, and that is because of the 'eq', but I don't know what else to put. If I put == it complains that 'hi' is not a numeric value.

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  • need help with some basic java.

    - by Racket
    Hi, I'm doing the first chapter exercises on my Java book and I have been stuck for a problem for a while now. I'll print the question, prompt/read a double value representing a monetary amount. Then determine the fewest number of each bill and coin needed to represent that amount, starting with the highest (assume that a ten dollar bill is the maximum size needed). For example, if the value entered is 47,63 (forty-seven dollars and sixty-three cents), and the program should print the equivalent amount as: 4 ten dollar bills 1 five dollar bills 2 one dollar bills 2 quarters 1 dimes 0 nickels 3 pennies" etc. I'm doing an example exactly as they said in order to get an idea, as you will see in the code. Nevertheless, I managed to print 4 dollars, and I can't figure out how to get "1 five dollar", only 7 dollars (see code). Please, don't do the whole code for me. I just need some advice in regards to what I said. Thank you. import java.util.Scanner; public class PP29 { public static void main (String[] args) { Scanner sc = new Scanner (System.in); int amount; double value; double test1; double quarter; System.out.println("Enter \"double\" value: "); value = sc.nextDouble(); amount = (int) value / 10; // 47,63 / 10 = 4. int amount2 = (int) value % 10; // 47 - 40 = 7 quarter = value * 100; // 47,63 * 100 = 4736 int sum = (int) quarter % 100; // 4763 / 100 => 4763-4700 = 63. System.out.println(amount); System.out.println(amount2); } }

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  • PHP: Need help with simple XML.

    - by Jack
    I am beginner in PHP. I am trying to parse this xml file. <relationship> <target> <following type="boolean">true</following> <followed_by type="boolean">true</followed_by> <screen_name>xxxx</screen_name> <id type="integer">xxxx</id> </target> </relationship> I need to get the value of the field 'following type="boolean" ' and here's my code - $xml = simplexml_load_string($response); foreach($xml->children() as $child) { if ($child->getName() == 'target') { foreach($child->children() as $child_1) if ( $child_1->getName() == 'following') { $is_my_friend = (bool)$child_1; break; } break; } } but I am not getting the correct output. I think the ' type="boolean" ' part of the field is creating problems. I know this might be a very trivial problem. Kindly bear with my ignorance. Please help.

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  • SQL Trigger Need to set x from a value

    - by Eric
    Im stuck on a the type of trigger needed to for this constraint. I will have a price and a commission. The price determines the commission amount, < 100 - 4%, < 200 - 5% etc. My idea. the database contains a separate table that will hold 4 price values , 101, 201, 401, 601, with their own matching comission %, this will be called PC. When i create a property listing i want to calculate the commission they earn depending on the price entered. on insert, i need to check the new.price and compare it to the prices in PC. Once new.price is less than the price tuple, i set the price to that commission value create or replace TRIGGER findCommission BEFORE INSERT OR UPDATE ON HASLISTING FOR each ROW BEGIN IF (:NEW.ASKING_PRICE < 100001) THEN :NEW.COMMISSION = 6.0; END IF; IF (:NEW.ASKING_PRICE < 250001) THEN :NEW.COMMISSION = 5.5; END IF; IF (:NEW.ASKING_PRICE < 1000001) THEN :NEW.COMMISSION = 5.0; END IF; IF (:NEW.ASKING_PRICE > 1000000) THEN :NEW.COMMISSION = 4.0; END IF; END;

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  • How do I fix the HDMI/DVI display output with Intel HD 4000 Graphics in 12.04?

    - by YumYumYum
    I have an Alienware Dell PC with Intel HD 4000 Graphics (Ivy Bridge) as verified by the output of lspci | grep VGA posted below. 00:02.0 VGA compatible controller: Intel Corporation Ivy Bridge Graphics Controller (rev 09) The PC only has HDMI and DVI display outputs and using the HDMI output I am only being offered abnormal resolutions. As you can see below it does not even list HDMI1 or DVI1 but just only a fallback. $ export DISPLAY=:0.0 && xrandr xrandr: Failed to get size of gamma for output default Screen 0: minimum 640 x 480, current 1360 x 768, maximum 1360 x 768 default connected 1360x768+0+0 0mm x 0mm 1360x768 0.0* 1024x768 0.0 800x600 0.0 640x480 0.0 How can I fix this? Does it just need to be configured differently or will I need to use a newer kernel (as Intel Graphics drivers are included in the kernel)? Follow up: kernel to latest Step 1: Go to: http://kernel.ubuntu.com/~kernel-ppa/mainline/ Go to last: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.6-rc3-quantal/ Download: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.6-rc3-quantal/linux-headers-3.6.0-030600rc3-generic_3.6.0-030600rc3.201208221735_amd64.deb http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.6-rc3-quantal/linux-headers-3.6.0-030600rc3_3.6.0-030600rc3.201208221735_all.deb http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.6-rc3-quantal/linux-image-3.6.0-030600rc3-generic_3.6.0-030600rc3.201208221735_amd64.deb http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.6-rc3-quantal/linux-image-extra-3.6.0-030600rc3-generic_3.6.0-030600rc3.201208221735_amd64.deb Step 2: sudo dpkg -i linux*.deb Step 3: reboot which shows that i have Ubuntu 12.04 with latest $ uname -a Linux sun-Alienware-X51 3.6.0-030600rc3-generic #201208221735 SMP Wed Aug 22 21:36:32 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux But still same problem remain.

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  • Need help with Xpath methods in javascript (selectSingleNode, selectNodes)

    - by Andrija
    I want to optimize my javascript but I ran into a bit of trouble. I'm using XSLT transformation and the basic idea is to get a part of the XML and subquery it so the calls are faster and less expensive. This is a part of the XML: <suite> <table id="spis" runat="client"> <rows> <row id="spis_1"> <dispatch>'2008', '288627'</dispatch> <data col="urGod"> <title>2008</title> <description>Ur. god.</description> </data> <data col="rbr"> <title>288627</title> <description>Rbr.</description> </data> ... </rows> </table> </suite> In the page, this is the javascript that works with this: // this is my global variable for getting the elements so I just get the most // I can in one call elemCollection = iDom3.Table.all["spis"].XML.DOM.selectNodes("/suite/table/rows/row").context; //then I have the method that uses this by getting the subresults from elemCollection //rest of the method isn't interesting, only the selectNodes call _buildResults = function (){ var _RowList = elemCollection.selectNodes("/data[@col = 'urGod']/title"); var tmpResult = ['']; var substringResult=""; for (i=0; i<_RowList.length; i++) { tmpResult.push(_RowList[i].text,iDom3.Global.Delimiter); } ... //this variant works elemCollection = iDom3.Table.all["spis"].XML.DOM _buildResults = function (){ var _RowList = elemCollection.selectNodes("/suite/table/rows/row/data[@col = 'urGod']/title"); var tmpResult = ['']; var substringResult=""; for (i=0; i<_RowList.length; i++) { tmpResult.push(_RowList[i].text,iDom3.Global.Delimiter); } ... The problem is, I can't find a way to use the subresults to get what I need.

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  • do I need to close an audio Clip?

    - by Michael
    have an application that processes real-time data and is supposed to beep when a certain event occurs. The triggering event can occur multiple times per second, and if the beep is already playing when another event triggers the code is just supposed to ignore it (as opposed to interrupting the current beep and starting a new one). Here is the basic code: Clip clickClip public void prepareProcess() { super.prepareProcess(); clickClip = null; try { clipFile = new File("C:/WINDOWS/Media/CHIMES.wav"); ais = AudioSystem.getAudioInputStream(clipFile); clickClip = AudioSystem.getClip(); clickClip.open(ais); fileIsLoaded = true; } catch (Exception ex) { clickClip = null; fileIsLoaded = false; } } public void playSound() { if (fileIsLoaded) { if ((clickClip==null) || (!clickClip.isRunning())) { try { clickClip.setFramePosition(0); clickClip.start(); } catch (Exception ex) { System.out.println("Cannot play click noise"); ex.printStackTrace(); } } } The prepareProcess method gets run once in the beginning, and the playSound method is called every time a triggering event occurs. My question is: do I need to close the clickClip object? I know I could add an actionListener to monitor for a Stop event, but since the event occurs so frequently I'm worried the extra processing is going to slow down the real-time data collection. The code seems to run fine, but my worry is memory leaks. The code above is based on an example I found while searching the net, but the example used an actionListener to close the Clip specifically "to eliminate memory leaks that would occur when the stop method wasn't implemented". My program is intended to run for hours so any memory leaks I have will cause problems. I'll be honest: I have no idea how to verify whether or not I've got a problem. I'm using Netbeans, and running the memory profiler just gave me a huge list of things that I don't know how to read. This is supposed to be the simple part of the program, and I'm spending hours on it. Any help would be greatly appreciated! Michael

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  • XML and XSLT: need it to sort only certain child nodes

    - by MT
    Hello, I need to have my XSLT stylesheet sort my XML file's child nodes, but only certain ones. Here's an example of what the XML is like: <?xml version="1.0"?> <xmltop> <child1 num="1"> <data>12345</data> </child1> <child1 num="2"> <data>12345</data> </child1> <child2 num="3"> <data>12345</data> </child2> <child2 num="2"> <data>12345</data> </child2> <child2 num="1"> <data>12345</data> </child2> </xmltop> And this is the XSL file I'm using: <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:template match="/xmltop"> <xsl:copy> <xsl:apply-templates> <xsl:sort select="@num"/> </xsl:apply-templates> </xsl:copy> </xsl:template> <xsl:template match="child2"> <xsl:copy-of select="."/> </xsl:template> </xsl:stylesheet> This creates problems for me because the nodes are stripped of their tags, and their contents remain, making my XML invalid. I'm not really an expert at XSL so pardon me if this is a dumb question. The <child2>'s are sorted properly. Thank you.

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  • Need help with auto-scaffolding template in ASP.NET MVC

    - by DanM
    I'm trying to write an auto-scaffolder for Index views. I'd like to be able to pass in a collection of models or view-models (e.g., IQueryable<MyViewModel>) and get back an HTML table that uses the DisplayName attribute for the headings (th elements) and Html.Display(propertyName) for the cells (td elements). Each row should correspond to one item in the collection. Here's what I have so far: <%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl" %> <% var items = (IQueryable<TestProj.ViewModels.TestViewModel>)Model; // Should be generic! var properties = items.First().GetMetadata().Properties .Where(pm => pm.ShowForDisplay && !ViewData.TemplateInfo.Visited(pm)); %> <table> <tr> <% foreach(var property in properties) { %> <th> <%= property.DisplayName %> </th> <% } %> </tr> <% foreach(var item in items) { %> <tr> <% foreach(var property in properties) { %> <td> <%= Html.Display(property.DisplayName) %> // This doesn't work! </td> <% } %> </tr> <% } %> </table> Two problems with this: I'd like it to be generic. So, I'd like to replace var items = (IQueryable<TestProj.ViewModels.TestViewModel>)Model; with var items = (IQueryable<T>)Model; or something to that effect. The <td> elements are not working because the Html in <%= Html.Display(property.DisplayName) %> contains the model for the view, which is a collection of items, not the item itself. Somehow, I need to obtain an HtmlHelper object whose Model property is the current item, but I'm not sure how to do that. How do I solve these two problems?

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  • When using delegates, need better way to do sequential processing

    - by Padawan
    I have a class WebServiceCaller that uses NSURLConnection to make asynchronous calls to a web service. The class provides a delegate property and when the web service call is done, it calls a method webServiceDoneWithXXX on the delegate. There are several web service methods that can be called, two of which are say GetSummary and GetList. The classes that use WebServiceCaller initially need both the summary and list so they are written like this: -(void)getAllData { [webServiceCaller getSummary]; } -(void)webServiceDoneWithGetSummary { [webServiceCaller getList]; } -(void)webServiceDoneWithGetList { ... } This works but there are at least two problems: The calls are split across delegate methods so it's hard to see the sequence at a glance but more important it's hard to control or modify the sequence. Sometimes I want to call just GetSummary and not also GetList so I would then have to use an ugly class-level state variable that tells webServiceDoneWithGetSummary whether to call GetList or not. Assume that GetList cannot be done until GetSummary completes and returns some data which is used as input to GetList. Is there a better way to handle this and still get asynchronous calls? Update based on Matt Long's answer: Using notifications instead of a delegate, it looks like I can solve problem #2 by setting a different selector depending on whether I want the full sequence (GetSummary+GetList) or just GetSummary. Both observers would still use the same notification name when calling GetSummary. I would have to write two separate methods to handle GetSummaryDone instead of using a single delegate method (where I would have needed some class-level variable to tell whether to then call GetList). -(void)getAllData { [[NSNotificationCenter defaultCenter] addObserver:self              selector:@selector(getSummaryDoneAndCallGetList:)                  name:kGetSummaryDidFinish object:nil];     [webServiceCaller getSummary]; } -(void)getSummaryDoneAndCallGetList { [NSNotificationCenter removeObserver] //process summary data [[NSNotificationCenter defaultCenter] addObserver:self              selector:@selector(getListDone:)                  name:kGetListDidFinish object:nil];     [webServiceCaller getList]; } -(void)getListDone { [NSNotificationCenter removeObserver] //process list data } -(void)getJustSummaryData { [[NSNotificationCenter defaultCenter] addObserver:self              selector:@selector(getJustSummaryDone:) //different selector but                  name:kGetSummaryDidFinish object:nil]; //same notification name     [webServiceCaller getSummary]; } -(void)getJustSummaryDone { [NSNotificationCenter removeObserver] //process summary data } I haven't actually tried this yet. It seems better than having state variables and if-then statements but you have to write more methods. I still don't see a solution for problem 1.

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  • Looking for an Open Source Project in need of help

    - by hvidgaard
    Hi StackOverflow! I'm a CS student on well on my way to graduate. I have had a difficult time of finding relevant student jobs (they seems to be taken merely hours after the notice gets on the board) , so instead I'm looking for an open source project in need of help. I'm aware that I should choose one that I use, but I'm not aware of any OS-project that I use that needs help. That's why I'm asking you. I don't have any deep experience, but I here are some of my biggest projects so far: BitTorrent-ish client in Python (a subset of BitTorrent) HTTP 1.1 webserver in Java Compiler from a subset of Java to run on JRE Flash-framework project to model an iPad look and feel (not to run actual iPad programs) complete with an API for programs. Complete MySQL database for a booking system, with departure and arrival times, so you could only book valid tickets (with a Java frontend). I know, Java and languages like AS3 and C# feels natural per se, Python, and have done a fair bit of hacking around in C, but I don't feel very comfortable with it. Mostly I'm afraid to make a fuckup because I have such a high degree of control. I would like to think I'm well aware of good software design practices, but in reality what I do is ask myself "would I like to use/maintain this?", and I love to refactor my code because I see optimizations. I love algorithms and to make them run in the best possible time. I don't have any preferred domain to work in, but I wouldn't mind it to be graphics or math heavy. Ideally I'm looking for a project in C++ to learn the in's and out's of it, but I'm well aware that I don't know that language very well. I would like to have a mentor-like figure until I'm confident enough to stand on my own, not one to review all my code (I'm sure someone will to start with anyway), but to ask questions about the project and language in question. I do have a wife and two children, so don't expect me to put in 10+ hours every week. In return I can work on my own, I strive to program modular and maintainable code. Know how to read an API, use Google, StackOverflow and online resources in general. If you have any questions, shoot. I'm looking forward to your suggestions.

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  • Need some constructive criticism on my SSE/Assembly attempt

    - by Brett
    Hello, I'm working on converting a bit of code to SSE, and while I have the correct output it turns out to be slower than standard c++ code. The bit of code that I need to do this for is: float ox = p2x - (px * c - py * s)*m; float oy = p2y - (px * s - py * c)*m; What I've got for SSE code is: void assemblycalc(vector4 &p, vector4 &sc, float &m, vector4 &xy) { vector4 r; __m128 scale = _mm_set1_ps(m); __asm { mov eax, p //Load into CPU reg mov ebx, sc movups xmm0, [eax] //move vectors to SSE regs movups xmm1, [ebx] mulps xmm0, xmm1 //Multiply the Elements movaps xmm2, xmm0 //make a copy of the array shufps xmm2, xmm0, 0x1B //shuffle the array subps xmm0, xmm2 //subtract the elements mulps xmm0, scale //multiply the vector by the scale mov ecx, xy //load the variable into cpu reg movups xmm3, [ecx] //move the vector to the SSE regs subps xmm3, xmm0 //subtract xmm3 - xmm0 movups [r], xmm3 //Save the retun vector, and use elements 0 and 3 } } Since its very difficult to read the code, I'll explain what I did: loaded vector4 , xmm0 _ p = [px , py , px , py ] mult. by vector4, xmm1 _ cs = [c , c , s , s ] _____________mult---------------------------- result,______ xmm0 = [px*c, py*c, px*s, py*s] reuse result, xmm0 = [px*c, py*c, px*s, py*s] shuffle result, xmm2 = [py*s, px*s, py*c, px*c] ___________subtract---------------------------- result, xmm0 = [px*c-py*s, py*c-px*s, px*s-py*c, py*s-px*c] reuse result, xmm0 = [px*c-py*s, py*c-px*s, px*s-py*c, py*s-px*c] load m vector4, scale = [m, m, m, m] ______________mult---------------------------- result, xmm0 = [(px*c-py*s)*m, (py*c-px*s)*m, (px*s-py*c)*m, (py*s-px*c)*m] load xy vector4, xmm3 = [p2x, p2x, p2y, p2y] reuse, xmm0 = [(px*c-py*s)*m, (py*c-px*s)*m, (px*s-py*c)*m, (py*s-px*c)*m] ___________subtract---------------------------- result, xmm3 = [p2x-(px*c-py*s)*m, p2x-(py*c-px*s)*m, p2y-(px*s-py*c)*m, p2y-(py*s-px*c)*m] then ox = xmm3[0] and oy = xmm3[3], so I essentially don't use xmm3[1] or xmm3[4] I apologize for the difficulty reading this, but I'm hoping someone might be able to provide some guidance for me, as the standard c++ code runs in 0.001444ms and the SSE code runs in 0.00198ms. Let me know if there is anything I can do to further explain/clean this up a bit. The reason I'm trying to use SSE is because I run this calculation millions of times, and it is a part of what is slowing down my current code. Thanks in advance for any help! Brett

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  • Need help accessing PHP DOM elements

    - by Michael Pasqualone
    Hey guys, I have the following HTML structure that I am trying to pull information from: // Product 1 <div class="productName"> <span id="product-name-1">Product Name 1</span> </div> <div class="productDetail"> <span class="warehouse">Warehouse 1, ACT</span> <span class="quantityInStock">25</span> </div> // Product 2 <div class="productName"> <span id="product-name-2">Product Name 2</span> </div> <div class="productDetail"> <span class="warehouse">Warehouse 2, ACT</span> <span class="quantityInStock">25</span> </div> … // Product X <div class="productName"> <span id="product-name-X">Product Name X</span> </div> <div class="productDetail"> <span class="warehouse">Warehouse X, ACT</span> <span class="quantityInStock">25</span> </div> I don't have control of the source html and as you'll see productName and it's accompanying productDetail are not contained within a common element. Now, I am using the following php code to try and parse the page. $html = new DOMDocument(); $html->loadHtmlFile('product_test.html'); $xPath = new DOMXPath($html); $domQuery = '//div[@class="productName"]|//div[@class="productDetail"]'; $entries = $xPath->query($domQuery); foreach ($entries as $entry) { echo "Detail: " . $entry->nodeValue) . "<br />\n"; } Which prints the following: Detail: Product Name 1 Detail: Warehouse 1, ACT Detail: 25 Detail: Product Name 2 Detail: Warehouse 2, ACT Detail: 25 Detail: Product Name X Detail: Warehouse X, ACT Detail: 25 Now, this is close to what I want. But I need to do some processing on each Product, Warehouse and Quantity stock and can't figure out how to parse it out into separate product groups. The final output I am after is something like: Product 1: Name: Product Name 1 Warehouse: Warehouse 1, ACT Stock: 25 Product 2: Name: Product Name 2 Warehouse: Warehouse 2, ACT Stock: 25 I can't just figure it out, and I can't wrap my head around this DOM stuff as the elements don't quite work the same as a standard array. If anyone can assist, or point me in the right direction I will be ever appreciative.

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  • Need help converting Ruby code to php code

    - by newprog
    Yesterday I posted this queston. Today I found the code which I need but written in Ruby. Some parts of code I have understood (I don't know Ruby) but there is one part that I can't. I think people who know ruby and php can help me understand this code. def do_create(image) # Clear any old info in case of a re-submit FIELDS_TO_CLEAR.each { |field| image.send(field+'=', nil) } image.save # Compose request vm_params = Hash.new # Submitting a file in ruby requires opening it and then reading the contents into the post body file = File.open(image.filename_in, "rb") # Populate the parameters and compute the signature # Normally you would do this in a subroutine - for maximum clarity all # parameters are explicitly spelled out here. vm_params["image"] = file # Contents will be read by the multipart object created below vm_params["image_checksum"] = image.image_checksum vm_params["start_job"] = 'vectorize' vm_params["image_type"] = image.image_type if image.image_type != 'none' vm_params["image_complexity"] = image.image_complexity if image.image_complexity != 'none' vm_params["image_num_colors"] = image.image_num_colors if image.image_num_colors != '' vm_params["image_colors"] = image.image_colors if image.image_colors != '' vm_params["expire_at"] = image.expire_at if image.expire_at != '' vm_params["licensee_id"] = DEVELOPER_ID #in php it's like this $vm_params["sequence_number"] = -rand(100000000);????? vm_params["sequence_number"] = Kernel.rand(1000000000) # Use a negative value to force an error when calling the test server vm_params["timestamp"] = Time.new.utc.httpdate string_to_sign = CREATE_URL + # Start out with the URL being called... #vm_params["image"].to_s + # ... don't include the file per se - use the checksum instead vm_params["image_checksum"].to_s + # ... then include all regular parameters vm_params["start_job"].to_s + vm_params["image_type"].to_s + vm_params["image_complexity"].to_s + # (nil.to_s => '', so this is fine for vm_params we don't use) vm_params["image_num_colors"].to_s + vm_params["image_colors"].to_s + vm_params["expire_at"].to_s + vm_params["licensee_id"].to_s + # ... then do all the security parameters vm_params["sequence_number"].to_s + vm_params["timestamp"].to_s vm_params["signature"] = sign(string_to_sign) #no problem # Workaround class for handling multipart posts mp = Multipart::MultipartPost.new query, headers = mp.prepare_query(vm_params) # Handles the file parameter in a special way (see /lib/multipart.rb) file.close # mp has read the contents, we can close the file now response = post_form(URI.parse(CREATE_URL), query, headers) logger.info(response.body) response_hash = ActiveSupport::JSON.decode(response.body) # Decode the JSON response string ##I have understood below def sign(string_to_sign) #logger.info("String to sign: '#{string_to_sign}'") Base64.encode64(HMAC::SHA1.digest(DEVELOPER_KEY, string_to_sign)) end # Within Multipart modul I have this: class MultipartPost BOUNDARY = 'tarsiers-rule0000' HEADER = {"Content-type" => "multipart/form-data, boundary=" + BOUNDARY + " "} def prepare_query (params) fp = [] params.each {|k,v| if v.respond_to?(:read) fp.push(FileParam.new(k, v.path, v.read)) else fp.push(Param.new(k,v)) end } query = fp.collect {|p| "--" + BOUNDARY + "\r\n" + p.to_multipart }.join("") + "--" + BOUNDARY + "--" return query, HEADER end end end Thanks for your help.

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  • Need to know how to properly create a new object in another cpp file

    - by karikari
    I have a class. The problem now is, after a few attempt, I'm still in huge error. My problem is I don't know how to properly declare a new object for this class, inside another cpp file. I wanted to call/trigger the functions from this RebarHandler class from my other cpp file. I keep on getting problems like, 'used without being initialized', 'debug assertion failed' and so on. In the other cpp file, I include the RebarHandler.h and did like this: CRebarHandler *test=NULL; test->setButtonMenu2(); When compile, I does not give any error. But, when run time, it gives error and my IE crash. I need help. Below is the class I meant: #pragma once class CIEWindow; class CRebarHandler : public CWindowImpl<CRebarHandler>{ public: CRebarHandler(HWND hWndToolbar, CIEWindow *ieWindow); CRebarHandler(){}; ~CRebarHandler(); BEGIN_MSG_MAP(CRebarHandler) NOTIFY_CODE_HANDLER(TBN_DROPDOWN, onNotifyDropDown) NOTIFY_CODE_HANDLER(TBN_TOOLBARCHANGE, onNotifyToolbarChange) NOTIFY_CODE_HANDLER(NM_CUSTOMDRAW, onNotifyCustomDraw) NOTIFY_CODE_HANDLER(TBN_ENDADJUST, onNotifyEndAdjust) MESSAGE_HANDLER(WM_SETREDRAW, onSetRedraw) END_MSG_MAP() // message handlers LRESULT onNotifyDropDown(WPARAM wParam, LPNMHDR pNMHDR, BOOL& bHandled); LRESULT onNotifyToolbarChange(WPARAM wParam, LPNMHDR pNMHDR, BOOL& bHandled); LRESULT onNotifyCustomDraw(WPARAM wParam, LPNMHDR pNMHDR, BOOL& bHandled); LRESULT onNotifyEndAdjust(WPARAM wParam, LPNMHDR pNMHDR, BOOL& bHandled); LRESULT onSetRedraw(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled); // manage the subclassing of the IE rebar void subclass(); void unsubclass(); void handleSettings(); void setButtonMenu2(); bool findButton(HWND hWndToolbar); private: // handles to the various things HWND m_hWnd; HWND m_hWndToolbar, m_hWndRebar, m_hWndTooltip; HMENU m_hMenu; int m_buttonID; int m_ieVer; CIEWindow *m_ieWindow; // toolbar finding functions void scanForToolbarSlow(); void getRebarHWND(); void setButtonMenu(); };

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  • With jQuery and I need help getting individual table row titles attributes from an xml file

    - by bfsarmi
    I'm usig tablesorter jQuery to parse this xml file <?xml version="1.0" encoding="iso-8859-1"?> <CATALOG> <CD> <TITLE>Title 01</TITLE> <ARTIST>Artist 01</ARTIST> <COUNTRY>Country 01</COUNTRY> <PRICE>10.00</PRICE> <YEAR>2010</YEAR> <INFO>Tooltip Info 01</INFO> </CD> <CD> <TITLE>Title 02</TITLE> <ARTIST>Artist 02</ARTIST> <COUNTRY>Country 02</COUNTRY> <PRICE>9.00</PRICE> <YEAR>2009</YEAR> <INFO>Tooltip Info 02</INFO> </CD> <CD> <TITLE>Title 03</TITLE> <ARTIST>Artist 03</ARTIST> <COUNTRY>Country 03/COUNTRY> <PRICE>8.00</PRICE> <YEAR>2008</YEAR> <INFO>Tooltip Info 03</INFO> </CD> </CATALOG> and with this code <script type="text/javascript"> $(document).ready(function(){ $.ajax({ type: "GET", url: "file.xml", dataType: "xml", success: function(xml){ $(xml).find("CD").each(function(){ $("#tablebody").append('<tr><td>' + $(this).find("TITLE").text() + '</td><td>'+ $(this).find("ARTIST").text() + '</td><td>'+ $(this).find("COUNTRY").text() + '</td><td>'+ $(this).find("PRICE").text() + '</td><td>'+ $(this).find("YEAR").text() + '</td></tr>'); }); } }); }); </script> I'm new at javascript and have been trying with no luck for a couple of hrs to get the text from the INFO/INFO tags in the xml file to show as title attributes for each table row. The reason for that is that I need to have individual popup tooltips on mouse-over each table row. Many Thanks in advance for any kind of help or suggestions!

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  • setting value to a parameter - always saying that it is null REALLY NEED INPUT

    - by Amina
    So I have this schedule visit page with two groups. Group 1 contains a list of: Cases. Group 2 contains a list of: Parties. each group has a checkboxes next to its item for the user to select. My Issue when i select a case and/or a party and save -- then go to the edit page of the visit i just saved and only my selected case is checked and the party i selected is not checked. After debugging i realized that the partyId is not being saved properly during the create page and thus not showing as selected or saved on the edit page. I really need help on how to properly save the party selected and setting for it a value from the parameter. Here is my code of what i have for saving a case and would like to know how to properly save with party. Controller [HttpPost] [ValidateInput(false)] public ActionResult Create(VisitViewModel viewModel, Guid[] associatedCasesSelected, Guid[] selectedParties) { if (!ModelState.IsValid) { viewModel.Time = _timeEntryHelper.Value; AddLookupsToViewModel(viewModel); return View(viewModel); } var visitEntry = Mapper.Map<VisitViewModel, VisitEntry>(viewModel); ... viewModel.CasePartyIds = selectedParties; try { _visitEntryService.Create(visitEntry, associatedCasesSelected); this.FlashInfo(string.Format(Message.ConfirmationMessageCreate, Resources.Entities.Visit.EntityName)); } catch (RulesException ex) { ex.CopyTo(ModelState); } if (ModelState.IsValid) return RedirectToAction("Edit", "Case", new { caseId = viewModel.CaseId }); AddLookupsToViewModel(viewModel); return View(viewModel); } VisitEntryService public void Create(VisitEntry visitEntry,IList<Guid>caseIds) { EnsureValid(visitEntry); _visitEntryRepository.Save(visitEntry); caseIds = AddCurrentCaseToCases(visitEntry.CaseId, caseIds); foreach (var caseId in caseIds.Distinct()) { var visit = new Visit {CaseId = caseId, VisitEntryId = visitEntry.VisitEntryId}; _visitService.Create(visit); } } AddCurrentCaseToCases private static IList<Guid>AddCurrentCaseToCases(Guid caseId, IEnumerable<Guid>caseIds) { var cases = new List<Guid>(); if (caseIds != null) { cases.AddRange(caseIds); if(!caseIds.Contains(caseId)) cases.Add(caseId); } else cases.Add(caseId); return cases; } VisitService public Visit Get(Guid visitId) { return DataContext.Visits.SingleOrDefault(v => v.VisitId == visitId); } public void Save(Visit visit) { if(visit.VisitId == Guid.Empty) { visit.VisitId = Guid.NewGuid(); DataContext.Visits.InsertOnSubmit(visit); } else { var currentVisit = Get(visit.VisitId); if (currentVisit == null) throw RepositoryExceptionFactory.Create("Visit", "VisitId"); } DataContext.SubmitChanges(); } Any TIPS or IDEAS is greatly appreciated at this time :) The entitiy for the parties will be VisitEntryParty

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  • FOSUserBundle override mapping to remove need for username

    - by musoNic80
    I want to remove the need for a username in the FOSUserBundle. My users will login using an email address only and I've added real name fields as part of the user entity. I realised that I needed to redo the entire mapping as described here. I think I've done it correctly but when I try to submit the registration form I get the error: "Only field names mapped by Doctrine can be validated for uniqueness." The strange thing is that I haven't tried to assert a unique constraint to anything in the user entity. Here is my full user entity file: <?php // src/MyApp/UserBundle/Entity/User.php namespace MyApp\UserBundle\Entity; use FOS\UserBundle\Model\User as BaseUser; use Doctrine\ORM\Mapping as ORM; use Symfony\Component\Validator\Constraints as Assert; /** * @ORM\Entity * @ORM\Table(name="depbook_user") */ class User extends BaseUser { /** * @ORM\Id * @ORM\Column(type="integer") * @ORM\GeneratedValue(strategy="AUTO") */ protected $id; /** * @ORM\Column(type="string", length=255) * * @Assert\NotBlank(message="Please enter your first name.", groups={"Registration", "Profile"}) * @Assert\MaxLength(limit="255", message="The name is too long.", groups={"Registration", "Profile"}) */ protected $firstName; /** * @ORM\Column(type="string", length=255) * * @Assert\NotBlank(message="Please enter your last name.", groups={"Registration", "Profile"}) * @Assert\MaxLength(limit="255", message="The name is too long.", groups={"Registration", "Profile"}) */ protected $lastName; /** * @ORM\Column(type="string", length=255) * * @Assert\NotBlank(message="Please enter your email address.", groups={"Registration", "Profile"}) * @Assert\MaxLength(limit="255", message="The name is too long.", groups={"Registration", "Profile"}) * @Assert\Email(groups={"Registration"}) */ protected $email; /** * @ORM\Column(type="string", length=255, name="email_canonical", unique=true) */ protected $emailCanonical; /** * @ORM\Column(type="boolean") */ protected $enabled; /** * @ORM\Column(type="string") */ protected $salt; /** * @ORM\Column(type="string") */ protected $password; /** * @ORM\Column(type="datetime", nullable=true, name="last_login") */ protected $lastLogin; /** * @ORM\Column(type="boolean") */ protected $locked; /** * @ORM\Column(type="boolean") */ protected $expired; /** * @ORM\Column(type="datetime", nullable=true, name="expires_at") */ protected $expiresAt; /** * @ORM\Column(type="string", nullable=true, name="confirmation_token") */ protected $confirmationToken; /** * @ORM\Column(type="datetime", nullable=true, name="password_requested_at") */ protected $passwordRequestedAt; /** * @ORM\Column(type="array") */ protected $roles; /** * @ORM\Column(type="boolean", name="credentials_expired") */ protected $credentialsExpired; /** * @ORM\Column(type="datetime", nullable=true, name="credentials_expired_at") */ protected $credentialsExpiredAt; public function __construct() { parent::__construct(); // your own logic } /** * @return string */ public function getFirstName() { return $this->firstName; } /** * @return string */ public function getLastName() { return $this->lastName; } /** * Sets the first name. * * @param string $firstname * * @return User */ public function setFirstName($firstname) { $this->firstName = $firstname; return $this; } /** * Sets the last name. * * @param string $lastname * * @return User */ public function setLastName($lastname) { $this->lastName = $lastname; return $this; } } I've seen various suggestions about this but none of the suggestions seem to work for me. The FOSUserBundle docs are very sparse about what must be a very common request.

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  • Javascript Noob Question. Need Help With Simple Script

    - by three3
    Hi everyone, I am new to JavaScript (only a couple of days of reading a book) and I am stuck on this code snippet. I have looked at it over and over again but cannot seem to figure out why it is not working. I am sure it is something really simple that I have just looked over but I really just need a fresh pair of eyes to look at this. The code is supposed to update a placeholder image on a page without the page having to reload. But when I am clicking on the link of an image, it is taking me to the link where the image is located instead of replacing the placeholder image. Here is my HTML code: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>Image Gallery</title> <script type="text/javascript" src="scripts/showPic.js"></script> </head> <body> <h1>Snapshots</h1> <ul> <li> <a href="images/cat.jpg" onclick="showPic(this); return false;" title="A Cat">Cat</a> </li> <li> <a href="images/night.jpg" onclick="showPic(this); return false;" title="Night">Night</a> </li> <li> <a href="images/coke.jpg" onclick="showPic(this); return false;" title="Coke">Coke</a> </li> <li> <a href="images/sport.jpg" onclick="showPic(this); return false;" title="Sports">Sport</a> </li> <li> <a href="images/mnms.png" onclick="showPic(this); return false;" title="MnM's">MnM's</a> </li> <li> <a href="images/kid.jpg" onclick="showPic(this); return false;" title="A Kid">Kid</a> </li> </ul> <br /> <img id="placeholder" src="images/placeholder.jpg" alt="Place Holder Image" /> </body> </html> And here is the JavaScript function I am using to get this done: <script type="text/javascript"> function showPic(whichpic) { var source = whichpic.getAttribute("href"); var placeholder = document.getElementById("placeholder"); placeholder.setAttribute("src",source); } </script> Any help is greatly appreciated and thanks in advance for the help.

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