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• Longitudinal Redundancy Check fails

  - by PaulH

  I have an application that decodes data from a magnetic stripe reader. But, I'm having difficulty getting my calculated LRC check byte to match the one on the cards. If I were to grab 3 cards each with 3 tracks, I would guess the algorithm below would work on 4 of the 9 tracks in those cards. The algorithm I'm using looks like this (C#): private static char GetLRC(string s, int start, int end) { int result = 0; for (int i = start; i <= end; i++) { result ^= Convert.ToByte(s[i]); } return Convert.ToChar(result); } This is an example of track 3 data that fails the check. On this card, track 2 matched, but track 1 also failed. 0 1 2 3 4 5 6 7 8 9 A B C D E F 00 3 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 10 5 5 5 5 5 6 6 6 6 6 6 6 6 6 6 7 20 7 7 7 7 7 7 7 7 7 8 8 8 8 8 8 8 30 8 8 8 9 9 9 9 9 9 9 9 9 9 0 0 0 40 0 0 0 0 0 0 0 1 2 3 4 1 1 1 1 1 50 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 60 3 3 3 3 3 3 3 3 The sector delimiter is ';' and it ends with a '?'. The LRC byte from this track is 0x30. Unfortunately, the algorithm above computes an LRC of 0x00 per the following calculation (apologies for its length. I want to be thorough): 00 ^ 3b = 3b ';' 3b ^ 33 = 08 08 ^ 34 = 3c 3c ^ 34 = 08 08 ^ 34 = 3c 3c ^ 34 = 08 08 ^ 34 = 3c 3c ^ 34 = 08 08 ^ 34 = 3c 3c ^ 34 = 08 08 ^ 34 = 3c 3c ^ 34 = 08 08 ^ 35 = 3d 3d ^ 35 = 08 08 ^ 35 = 3d 3d ^ 35 = 08 08 ^ 35 = 3d 3d ^ 35 = 08 08 ^ 35 = 3d 3d ^ 35 = 08 08 ^ 35 = 3d 3d ^ 35 = 08 08 ^ 36 = 3e 3e ^ 36 = 08 08 ^ 36 = 3e 3e ^ 36 = 08 08 ^ 36 = 3e 3e ^ 36 = 08 08 ^ 36 = 3e 3e ^ 36 = 08 08 ^ 36 = 3e 3e ^ 36 = 08 08 ^ 37 = 3f 3f ^ 37 = 08 08 ^ 37 = 3f 3f ^ 37 = 08 08 ^ 37 = 3f 3f ^ 37 = 08 08 ^ 37 = 3f 3f ^ 37 = 08 08 ^ 37 = 3f 3f ^ 37 = 08 08 ^ 38 = 30 30 ^ 38 = 08 08 ^ 38 = 30 30 ^ 38 = 08 08 ^ 38 = 30 30 ^ 38 = 08 08 ^ 38 = 30 30 ^ 38 = 08 08 ^ 38 = 30 30 ^ 38 = 08 08 ^ 39 = 31 31 ^ 39 = 08 08 ^ 39 = 31 31 ^ 39 = 08 08 ^ 39 = 31 31 ^ 39 = 08 08 ^ 39 = 31 31 ^ 39 = 08 08 ^ 39 = 31 31 ^ 39 = 08 08 ^ 30 = 38 38 ^ 30 = 08 08 ^ 30 = 38 38 ^ 30 = 08 08 ^ 30 = 38 38 ^ 30 = 08 08 ^ 30 = 38 38 ^ 30 = 08 08 ^ 30 = 38 38 ^ 30 = 08 08 ^ 31 = 39 39 ^ 32 = 0b 0b ^ 33 = 38 38 ^ 34 = 0c 0c ^ 31 = 3d 3d ^ 31 = 0c 0c ^ 31 = 3d 3d ^ 31 = 0c 0c ^ 31 = 3d 3d ^ 31 = 0c 0c ^ 31 = 3d 3d ^ 31 = 0c 0c ^ 31 = 3d 3d ^ 31 = 0c 0c ^ 32 = 3e 3e ^ 32 = 0c 0c ^ 32 = 3e 3e ^ 32 = 0c 0c ^ 32 = 3e 3e ^ 32 = 0c 0c ^ 32 = 3e 3e ^ 32 = 0c 0c ^ 32 = 3e 3e ^ 32 = 0c 0c ^ 33 = 3f 3f ^ 33 = 0c 0c ^ 33 = 3f 3f ^ 33 = 0c 0c ^ 33 = 3f 3f ^ 33 = 0c 0c ^ 33 = 3f 3f ^ 33 = 0c 0c ^ 33 = 3f 3f ^ 3f = 00 '?' If anybody can point out how to fix my algorithm, I would appreciate it. Thanks, PaulH

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• Why does this valid Tkinter code crash when mixed with a bit of PyWin32?

  - by Erlog

  So I'm making a very small program for personal use in tkinter, and I've run into a really strange wall. I'm mixing tkinter with the pywin32 bindings because I really hate everything to do with the syntax and naming conventions of pywin32, and it feels like tkinter gets more done with far less code. The strangeness is happening in the transition between the pywin32 clipboard watching and my program's reaction to it in tkinter. My window and all its controls are being handled in tkinter. The pywin32 bindings are doing clipboard watching and clipboard access when the clipboard changes. From what I've gathered about the way the clipboard watching pieces of pywin32 work, you can make it work with anything you want as long as you provide pywin32 with the hwnd value of your window. I'm doing that part, and it works when the program first starts. It just doesn't seem to work when the clipboard changes. When the program launches, it grabs the clipboard and puts it into the search box and edit box just fine. When the clipboard is modified, the event I want to fire off is firing off...except that event that totally worked before when the program launched is now causing a weird hang instead of doing what it's supposed to do. I can print the clipboard contents to stdout all I want if the clipboard changes, but not put that same data into a tkinter widget. It only hangs like that if it starts to interact with any of my tkinter widgets after being fired off by a clipboard change notification. It feels like there's some pywin32 etiquette I've missed in adapting the clipboard-watching sample code I was using over to my tkinter-using program. Tkinter apparently doesn't like to produce stack traces or error messages, and I can't really even begin to know what to look for trying to debug it with pdb. Here's the code: #coding: utf-8 #Clipboard watching cribbed from ## {{{ http://code.activestate.com/recipes/355593/ (r1) import pdb from Tkinter import * import win32clipboard import win32api import win32gui import win32con import win32clipboard def force_unicode(object, encoding="utf-8"): if isinstance(object, basestring) and not isinstance(object, unicode): object = unicode(object, encoding) return object class Application(Frame): def __init__(self, master=None): self.master = master Frame.__init__(self, master) self.pack() self.createWidgets() self.hwnd = self.winfo_id() self.nextWnd = None self.first = True self.oldWndProc = win32gui.SetWindowLong(self.hwnd, win32con.GWL_WNDPROC, self.MyWndProc) try: self.nextWnd = win32clipboard.SetClipboardViewer(self.hwnd) except win32api.error: if win32api.GetLastError () == 0: # information that there is no other window in chain pass else: raise self.update_search_box() self.word_search() def word_search(self): #pdb.set_trace() term = self.searchbox.get() self.resultsbox.insert(END, term) def update_search_box(self): clipboardtext = "" if win32clipboard.IsClipboardFormatAvailable(win32clipboard.CF_TEXT): win32clipboard.OpenClipboard() clipboardtext = win32clipboard.GetClipboardData() win32clipboard.CloseClipboard() if clipboardtext != "": self.searchbox.delete(0,END) clipboardtext = force_unicode(clipboardtext) self.searchbox.insert(0, clipboardtext) def createWidgets(self): self.button = Button(self) self.button["text"] = "Search" self.button["command"] = self.word_search self.searchbox = Entry(self) self.resultsbox = Text(self) #Pack everything down here for "easy" layout changes later self.searchbox.pack() self.button.pack() self.resultsbox.pack() def MyWndProc (self, hWnd, msg, wParam, lParam): if msg == win32con.WM_CHANGECBCHAIN: self.OnChangeCBChain(msg, wParam, lParam) elif msg == win32con.WM_DRAWCLIPBOARD: self.OnDrawClipboard(msg, wParam, lParam) # Restore the old WndProc. Notice the use of win32api # instead of win32gui here. This is to avoid an error due to # not passing a callable object. if msg == win32con.WM_DESTROY: if self.nextWnd: win32clipboard.ChangeClipboardChain (self.hwnd, self.nextWnd) else: win32clipboard.ChangeClipboardChain (self.hwnd, 0) win32api.SetWindowLong(self.hwnd, win32con.GWL_WNDPROC, self.oldWndProc) # Pass all messages (in this case, yours may be different) on # to the original WndProc return win32gui.CallWindowProc(self.oldWndProc, hWnd, msg, wParam, lParam) def OnChangeCBChain (self, msg, wParam, lParam): if self.nextWnd == wParam: # repair the chain self.nextWnd = lParam if self.nextWnd: # pass the message to the next window in chain win32api.SendMessage (self.nextWnd, msg, wParam, lParam) def OnDrawClipboard (self, msg, wParam, lParam): if self.first: self.first = False else: #print "changed" self.word_search() #self.word_search() if self.nextWnd: # pass the message to the next window in chain win32api.SendMessage(self.nextWnd, msg, wParam, lParam) if __name__ == "__main__": root = Tk() app = Application(master=root) app.mainloop() root.destroy()

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• Bewildering SegFault involving STL sort algorithm.

  - by just_wes

  Hello everybody, I am completely perplexed at a seg fault that I seem to be creating. I have: vector<unsigned int> words; and global variable string input; I define my custom compare function: bool wordncompare(unsigned int f, unsigned int s) { int n = k; while (((f < input.size()) && (s < input.size())) && (input[f] == input[s])) { if ((input[f] == ' ') && (--n == 0)) { return false; } f++; s++; } return true; } When I run the code: sort(words.begin(), words.end()); The program exits smoothly. However, when I run the code: sort(words.begin(), words.end(), wordncompare); I generate a SegFault deep within the STL. The GDB back-trace code looks like this: #0 0x00007ffff7b79893 in std::string::size() const () from /usr/lib/gcc/x86_64-pc-linux-gnu/4.3.4/libstdc++.so.6 #1 0x0000000000400f3f in wordncompare (f=90, s=0) at text_gen2.cpp:40 #2 0x000000000040188d in std::__unguarded_linear_insert<__gnu_cxx::__normal_iterator<unsigned int*, std::vector<unsigned int, std::allocator<unsigned int> > >, unsigned int, bool (*)(unsigned int, unsigned int)> (__last=..., __val=90, __comp=0x400edc <wordncompare(unsigned int, unsigned int)>) at /usr/lib/gcc/x86_64-pc-linux-gnu/4.3.4/include/g++-v4/bits/stl_algo.h:1735 #3 0x00000000004018df in std::__unguarded_insertion_sort<__gnu_cxx::__normal_iterator<unsigned int*, std::vector<unsigned int, std::allocator<unsigned int> > >, bool (*)(unsigned int, unsigned int)> (__first=..., __last=..., __comp=0x400edc <wordncompare(unsigned int, unsigned int)>) at /usr/lib/gcc/x86_64-pc-linux-gnu/4.3.4/include/g++-v4/bits/stl_algo.h:1812 #4 0x0000000000402562 in std::__final_insertion_sort<__gnu_cxx::__normal_iterator<unsigned int*, std::vector<unsigned int, std::allocator<unsigned int> > >, bool (*)(unsigned int, unsigned int)> (__first=..., __last=..., __comp=0x400edc <wordncompare(unsigned int, unsigned int)>) at /usr/lib/gcc/x86_64-pc-linux-gnu/4.3.4/include/g++-v4/bits/stl_algo.h:1845 #5 0x0000000000402c20 in std::sort<__gnu_cxx::__normal_iterator<unsigned int*, std::vector<unsigned int, std::allocator<unsigned int> > >, bool (*)(unsigned int, unsigned int)> (__first=..., __last=..., __comp=0x400edc <wordncompare(unsigned int, unsigned int)>) at /usr/lib/gcc/x86_64-pc-linux-gnu/4.3.4/include/g++-v4/bits/stl_algo.h:4822 #6 0x00000000004012d2 in main (argc=1, args=0x7fffffffe0b8) at text_gen2.cpp:70 I have similar code in another program, but in that program I am using a vector instead of vector. For the life of me I can't figure out what I'm doing wrong. Thanks!

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• WCF Service error on IIS with metadata

  - by Bruno Silva

  Hi, I'm trying to publish a service to IIS, it builds and runs OK on the ASP.NET dev server. When running in IIS I can get to the metadata by navigating to the service or by adding service reference in Visual Studio. But when I call a method from my client app it crashes with a internal server error. So I went to the Event Log and found this: WebHost failed to process a request. Sender Information: System.ServiceModel.Activation.HostedHttpRequestAsyncResult/8810861 Exception: System.Web.HttpException (0x80004005): There was no channel actively listening at 'http://mysite.net/soundhubservice.svc/$metadata'. This is often caused by an incorrect address URI. Ensure that the address to which the message is sent matches an address on which a service is listening. ---> System.ServiceModel.EndpointNotFoundException: There was no channel actively listening at 'http://mysite.net/soundhubservice.svc/$metadata'. This is often caused by an incorrect address URI. Ensure that the address to which the message is sent matches an address on which a service is listening. at System.ServiceModel.Activation.HostedHttpTransportManager.HttpContextReceived(HostedHttpRequestAsyncResult result) at System.ServiceModel.Activation.HostedHttpRequestAsyncResult.HandleRequest() at System.ServiceModel.Activation.HostedHttpRequestAsyncResult.BeginRequest() at System.Runtime.AsyncResult.End[TAsyncResult](IAsyncResult result) at System.ServiceModel.Activation.HostedHttpRequestAsyncResult.End(IAsyncResult result) Process Name: w3wp Process ID: 1080 My Web.Config looks something like this: <configuration> <system.web> <compilation debug="true" targetFramework="4.0" /> </system.web> <system.serviceModel> <services> <service name="SoundHub.Services.SoundHubService" behaviorConfiguration="StreamingServiceBehavior"> <host> <baseAddresses> <add baseAddress="http://localhost/SoundHubServive"/> </baseAddresses> </host> <endpoint address="service" binding="basicHttpBinding" bindingConfiguration="httpBuffering" contract="SoundHub.Services.ISoundHubService"/> <endpoint address="stream" binding="basicHttpBinding" bindingConfiguration="HttpStreaming" contract="SoundHub.Services.ISoundHubStreamService"/> <!--<endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" />--> </service> </services> <bindings> <basicHttpBinding> <binding name="HttpStreaming" maxReceivedMessageSize="67108864" transferMode="Streamed"/> <binding name="httpBuffering" transferMode="Buffered" /> </basicHttpBinding> </bindings> <behaviors> <serviceBehaviors> <behavior name="StreamingServiceBehavior"> <serviceMetadata httpGetEnabled="True"/> <serviceDebug includeExceptionDetailInFaults="False"/> </behavior> </serviceBehaviors> </behaviors> </system.serviceModel> <system.webServer> <modules runAllManagedModulesForAllRequests="true"/> </system.webServer> </configuration> Tried several combinations of settings I found while searching online but nothing helped, always the same error. Thanks Bruno

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• NSUserDefaults loses 3 rows each time it's called

  - by Jeff Decker

  Hello Everyone! Brand new programmer here, so off-topic help/constructive criticism welcome. I am saving a default state (such as "New York") in a UIPickerView which is in a FlipSideView. It certainly saves for the first and second time I check to make sure it's the same state (I am clicking "done" and then "info" repeatedly), but on the third check the picker has moved up three states (to "New Hampshire") and then every time I check the picker progresses three more states. Here's the .h and .m files of the FlipSideViewController: #import <UIKit/UIKit.h> import "Calculator.h" @protocol FlipsideViewControllerDelegate; @interface FlipsideViewController : UIViewController { id delegate; UIPickerView *myPickerView; NSArray *pickerViewArray; } @property (nonatomic, assign) id delegate; @property (nonatomic, retain) UIPickerView *myPickerView; @property (nonatomic, retain) NSArray *pickerViewArray; (IBAction)done; @end @protocol FlipsideViewControllerDelegate - (void)flipsideViewControllerDidFinish:(FlipsideViewController *)controller; @end import "FlipsideViewController.h" @implementation FlipsideViewController @synthesize delegate; @synthesize myPickerView, pickerViewArray; -(CGRect)pickerFrameWithSize:(CGSize)size;{ CGRect screenRect = [[UIScreen mainScreen] applicationFrame]; CGRect pickerRect = CGRectMake( 0.0, screenRect.size.height - size.height, size.width, size.height); return pickerRect; } (void)viewDidLoad { [super viewDidLoad]; self.view.backgroundColor = [UIColor viewFlipsideBackgroundColor]; [self createPicker]; } -(void)viewWillAppear:(BOOL)animated;{ [super viewWillAppear:NO]; NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; [myPickerView selectRow:[defaults integerForKey:@"pickerRow"] inComponent:0 animated:NO]; } -(void)createPicker;{ pickerViewArray = [[NSArray arrayWithObjects: @"Alabama",@"Alaska", @"Arizona",@"Arkansas",@"California",@"Colorado",@"Connecticut",@"Delaware", @"District of Columbia",@"Florida",@"Georgia",@"Hawaii",@"Idaho",@"Illinois",@"Indiana",@"Iowa", @"Kansas",@"Kentucky",@"Louisiana",@"Maine",@"Maryland",@"Massachusetts",@"Michigan", @"Minnesota",@"Mississippi",@"Missouri",@"Montana",@"Nebraska",@"Nevada",@"New Hampshire",@"New Jersey", @"New Mexico",@"New York",@"North Carolina",@"North Dakota",@"Ohio",@"Oklahoma", @"Oregon",@"Pennsylvania",@"Rhode Island",@"South Carolina",@"South Dakota",@"Tennessee", @"Texas",@"Utah",@"Vermont",@"Virginia",@"Washington",@"West Virginia",@"Wisconsin",@"Wyoming", nil] retain]; myPickerView = [[UIPickerView alloc] initWithFrame:CGRectZero]; CGSize pickerSize = [myPickerView sizeThatFits:CGSizeZero]; myPickerView.frame = [self pickerFrameWithSize:pickerSize]; myPickerView.autoresizingMask = UIViewAutoresizingFlexibleWidth; myPickerView.showsSelectionIndicator = YES; myPickerView.delegate = self; myPickerView.dataSource = self; [self.view addSubview:myPickerView]; } (IBAction)done { [self.delegate flipsideViewControllerDidFinish:self]; } pragma mark - pragma mark UIPickerViewDataSource (NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component { NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; [defaults setInteger:row forKey:@"pickerRow"]; [defaults setObject:[pickerViewArray objectAtIndex:row] forKey:@"pickerString"]; return [pickerViewArray objectAtIndex:row]; } (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component { NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; [defaults setInteger:row forKey:@"pickerRow"]; [defaults setObject:[pickerViewArray objectAtIndex:row] forKey:@"pickerString"]; } (CGFloat)pickerView:(UIPickerView *)pickerView widthForComponent:(NSInteger)component { return 240.0; } (CGFloat)pickerView:(UIPickerView *)pickerView rowHeightForComponent:(NSInteger)component { return 40.0; } (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component { return [pickerViewArray count]; } (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView { return 1; } call me mystified! Thanks for any help. Please let me know if I can make myself more clear...

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• UVA Online Judge 3n+1 : Right answer is Wrong answer

  - by Samuraisoulification

  Ive been toying with this problem for more than a week now, I have optimized it a lot, I seem to be getting the right answer, since it's the same as when I compare it to other's answers that got accepted, but I keep getting wrong answer. Im not sure what's going on! Anyone have any advice? I think it's a problem with the input or the output, cause Im not exactly sure how this judge thing works. So if anyone could pinpoint the problem, and also give me any advice on my code, Id be very appreciative!!! #include <iostream> #include <cstdlib> #include <stdio.h> #include <vector> using namespace std; class Node{ // node for each number that has teh cycles and number private: int number; int cycles; bool cycleset; // so it knows whether to re-set the cycle public: Node(int num){ number = num; cycles = 0; cycleset = false; } int getnumber(){ return number; } int getcycles(){ return cycles; } void setnumber(int num){ number = num; } void setcycles(int num){ cycles = num; cycleset = true; } bool cycled(){ return cycleset; } }; class Cycler{ private: vector<Node> cycleArray; int biggest; int cycleReal(unsigned int number){ // actually cycles through the number int cycles = 1; if (number != 1) { if (number < 1000000) { // makes sure it's in vector bounds if (!cycleArray[number].cycled()) { // sees if it's been cycled if (number % 2 == 0) { cycles += this->cycleReal((number / 2)); } else { cycles += this->cycleReal((3 * number) + 1); } } else { // if cycled get the number of cycles and don't re-calculate, ends recursion cycles = cycleArray[number].getcycles(); } } else { // continues recursing if it's too big for the vector if (number % 2 == 0) { cycles += this->cycleReal((number / 2)); } else { cycles += this->cycleReal((3 * number) + 1); } } } if(number < 1000000){ // sets cycles table for the number in the vector if (!cycleArray[number].cycled()) { cycleArray[number].setcycles(cycles); } } return cycles; } public: Cycler(){ biggest = 0; for(int i = 0; i < 1000000; i++){ // initialize the vector, set the numbers Node temp(i); cycleArray.push_back(temp); } } int cycle(int start, int end){ // cycles thorugh the inputted numbers. int size = 0; for(int i = start; i < end ; i++){ size = this->cycleReal(i); if(size > biggest){ biggest = size; } } int temp = biggest; biggest = 0; return temp; } int getBiggest(){ return biggest; } }; int main() { Cycler testCycler; int i, j; while(cin>>i>>j){ //read in untill \n int biggest = 0; if(i > j){ biggest = testCycler.cycle(j, i); }else{ biggest = testCycler.cycle(i, j); } cout << i << " " << j << " " << biggest << endl; } return 0; }

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• Append <ul> and <li> in recursive loop

  - by Batman

  I have a site collection. I was told I need a recursive loop to do this. This is what I've tried: When the site loads, call getSiteTree() which passes the top level website to my getSubSite() function. From there I check if there are any subsites. I have a boolean but I'm not really using it for anything yet, I've just seen it used before for this type of work. Anyways, from there I check if there are any sub sits, if not I log the end of the branch, if there are, I call the function again using the new url and repeat the process. Looking at my console, it seems to work as intended. function getSiteTree(){ var tree = $('#treeviewList'); var rootsite = window.location.protocol + "//" + window.location.hostname; var siteEnd = false; getSubSite(rootsite); } function getSubSite(url){ $().SPServices({ operation: "GetWebCollection", webURL: url, async: true, completefunc: function(xData, Status) { var siteUrl; var siteCount = $(xData.responseXML).find("Web").length; if(siteCount == 0){ console.log("end of branch"); siteEnd = true; }else{ $(xData.responseXML).find("Web").each(function() { siteUrl = $(this).attr("Url"); console.log(siteUrl); getSubSite(siteUrl); }); } } }); } My questions: now that I have my sites, I need to take those sites and create something like this but I'm not sure how to accomplish this. <li>Site 1 <ul> <li>sub 1.1</li> <li>sub 1.2</li> <li>sub 1.3</li> <ul> <li>1.3.1</li> </ul> <li>sub 1.4</li> <li>sub 1.5</li> </ul> </li> <li>Site 2 <ul> <li>sub 2.1</li> <li>sub 2.2</li> <li>sub 2.3</li> <ul> <li>2.3.1</li> <li>2.3.2</li> </ul> </ul> </li> </ul> I have this inital html: <div id="treeviewDiv" style="width:200px;height:150px;overflow:scroll"> <ui id="treeviewList"></ui> </div>

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• Editing a Gridview row with drop-down lists gets too wide - how can I use popup panels instead?

  - by David

  I have a series of GridViews in a Tab Panel - databound to a generic List of Business Objects. The columns in the Gridview are all similar to the following: <asp:TemplateField HeaderText="Company" SortExpression="Company.ShortName"> <ItemTemplate> <asp:Label ID="lblCompany" runat="server" Text='<%# Bind("Company.ShortName") %>'></asp:Label> </ItemTemplate> <EditItemTemplate> <asp:DropDownList ID="ddlCompany" runat="server"></asp:DropDownList> </EditItemTemplate> </asp:TemplateField> The GridView generates the "Edit" link at the beginning of the row, all the events fire ok. The problem is that the data is getting long. When in 'display mode', it's fine because the GridView control is smart enough to break some text into multiple lines (in particular Project, Title and Worker names can get pretty long). The problem come in editing mode. Drop-down lists DON'T break entries into multiple lines (for obvious reasons). Going into Edit ode on a row in the Gridview can make the Griview expand horizontally to twice the screen size (blowing through the width limits in the Master page and CSS but that's only a related problem). What I need is something like the ModalPopup - but trying to tie it to an ID in an EditItemTemplate gives me errors when the page renders (because the 'ddlXXXX' doesn't exist at the time). In addition I don't know how to dynamically populate the panel so that I can get a response from it (like the ID of the Company they selected). I'm also trying to avoid javascript and would like this to be a 'pure' aspx/code-behind solution (for simplicity's sake among others). All the examples I find are of Modal Popups with the panels pre-defined. Even if it (the popup panel) were something like a list of checkboxes, it could be databound to the SortedList I have ready to go and an OK/Cancel button combination to accept or ignore things. I'm just not sure of what goes where. I'm open to suggestions. Thanks in advance. EDIT: Final solution looks as follows: <asp:TemplateField HeaderText="Company" SortExpression="Company.ShortName"> <ItemTemplate> <asp:Label ID="lblCompany" runat="server" Text='<%# Bind("Company.ShortName") %>'></asp:Label> </ItemTemplate> <EditItemTemplate> <asp:LinkButton ID="lnkCompany" runat="server" Text='<%# Bind("Company.ShortName") %>'></asp:LinkButton> <asp:Panel ID="pnlCompany" runat="server" style="display:none"> <div> <asp:DropDownList ID="ddlCompany" runat="server" ></asp:DropDownList> <br/> <asp:ImageButton ID="btnOKCo" runat="server" ImageUrl="~/Images/greencheck.gif" OnCommand="PopupButton_Command" CommandName="SelectCO" /> <asp:ImageButton ID="btnCxlCo" runat="server" ImageUrl="~/Images/RedX.gif" /> </div> </asp:Panel> <cc1:ModalPopupExtender ID="mpeCompany" runat="server" TargetControlID="lnkCompany" PopupControlID="pnlCompany" BackgroundCssClass="modalBackground" CancelControlID="btnCxlCo" DropShadow="true" PopupDragHandleControlID="pnlCompany" /> </EditItemTemplate> </asp:TemplateField> And in the code-behind, lstIDLabor is the generic List of data lines (of which Company is one of the properties that is also a business object) that is bound to the GridView: Sub PopupButton_Command(ByVal sender As Object, ByVal e As CommandEventArgs) Dim intRow As Integer Dim intVal As Integer RestoreFromSessionVariables() Select Case e.CommandName Case "SelectCO" intRow = grdIDCostLabor.EditIndex Dim ddlCo As DropDownList = CType(grdIDCost.Rows(intRow).FindControl("ddlCompany"), DropDownList) intVal = ddlCo.SelectedValue lstIDLabor(intRow).CompanyID = intVal lstIDLabor(intRow).Company = Company.Read(intVal) Case Else ' End Select MakeSessionVariables() BindGrids() End Sub

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• Win32 -- Object cleanup and global variables

  - by KaiserJohaan

  Hello, I've got a question about global variables and object cleanup in c++. For example, look at the code here; case WM_PAINT: paintText(&hWnd); break; void paintText(HWND* hWnd) { PAINTSTRUCT ps; HBRUSH hbruzh = CreateSolidBrush(RGB(0,0,0)); HDC hdz = BeginPaint(*hWnd,&ps); char s1[] = "Name"; char s2[] = "IP"; SelectBrush(hdz,hbruzh); SelectFont(hdz,hFont); SetBkMode(hdz,TRANSPARENT); TextOut(hdz,3,23,s1,sizeof(s1)); TextOut(hdz,10,53,s2,sizeof(s2)); EndPaint(*hWnd,&ps); DeleteObject(hdz); DeleteObject(hbruzh); // bad? DeleteObject(ps); // bad? } 1)First of all; which objects are good to delete and which ones are NOT good to delete and why? Not 100% sure of this. 2)Since WM_PAINT is called everytime the window is redrawn, would it be better to simply store ps, hdz and hbruzh as global variables instead of re-initializing them everytime? The downside I guess would be tons of global variables in the end _ but performance-wise would it not be less CPU-consuming? I know it won't matter prolly but I'm just aiming for minimalistic as possible for educational purposes. 3) What about libraries that are loaded in? For example: // // Main // int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) { // initialize vars HWND hWnd; WNDCLASSEX wc; HINSTANCE hlib = LoadLibrary("Riched20.dll"); ThishInstance = hInstance; ZeroMemory(&wc,sizeof(wc)); // set WNDCLASSEX props wc.cbSize = sizeof(WNDCLASSEX); wc.lpfnWndProc = WindowProc; wc.hInstance = ThishInstance; wc.hIcon = LoadIcon(hInstance,MAKEINTRESOURCE(IDI_MYICON)); wc.lpszMenuName = MAKEINTRESOURCE(IDR_MENU1); wc.hCursor = LoadCursor(NULL, IDC_ARROW); wc.hbrBackground = (HBRUSH)COLOR_WINDOW; wc.lpszClassName = TEXT("PimpClient"); RegisterClassEx(&wc); // create main window and display it hWnd = CreateWindowEx(NULL, wc.lpszClassName, TEXT("PimpClient"), 0, 300, 200, 450, 395, NULL, NULL, hInstance, NULL); createWindows(&hWnd); ShowWindow(hWnd,nCmdShow); // loop message queue MSG msg; while (GetMessage(&msg, NULL,0,0)) { TranslateMessage(&msg); DispatchMessage(&msg); } // cleanup? FreeLibrary(hlib); return msg.wParam; } 3cont) is there a reason to FreeLibrary at the end? I mean when the process terminates all resources are freed anyway? And since the library is used to paint text throughout the program, why would I want to free before that? Cheers

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• Future of VB.NET? [closed]

  - by Alex Yeung

  Hi all, I worked with C# for years. Last year, I changed my job and the company use VB.NET. Of course, theoretically C# and VB.NET are very similar and I easily adapted. However, I have worked for VB.NET for 1 year. I cannot see any future of VB.NET. As a programming language, it is so foo. Here is a list of what C# can do but VB.NET cannot Case insensitive variables how to think a new variable name? If I have a property called FolderPath, i need to establish another private variable called _folderPath or m_folderPath. In C#, FolderPath and folderPath are two variables. Moreover, it gets compile error if variable name is same as a class name. For example Dim guid = Guid.NewGuid(). (What the...) Again, I need to think a new variable name. Adhoc scope In C#, we could use {...} to create a adhoc scope and all resource in {...} will not affect the code outside. However there is not such syntax in VB.NET. I could only use If True Then and End If to make a local scope which is so unclear. In-Method Region Sometime, it is unavoidable to have a long long method. VB.NET does not support in-method region. I always need to scroll down for 1000 lines. It wastes my time. No multi-line string definition In C#, we could var s = @"..." to define a multi-line string. In VB.NET there is no direct method to do that. The indirect way is use XML-literal string. Dim s = <![CDATA[...]]>.Value. However it is unclear. No block comment In C#, we have line comment // and block comment /* ... */. However in VB.NET we only have line comment which is a very big trouble for me. No statement end symbol Statements are separated by line break in VB.NET; while statements are separated by ; in C#. Underscore I think many people know underscore _ is continue statement symbol. I really disagree with that. I know MS VB.NET language team is going to remove the underscore syntax from VB.NET. However what can we do now? Although underscore is removed in the future, what's the advantage of that? I cannot see any advantage! With scope With scope is an evil scope. Although it allows shorter statement, it is hard to trace. Default Namesapce in project level It is a nightmare for me. The only advantage of VB.NET is property initialization. I think C# cannot do that (correct me if I am wrong.) Public Property ThisIsMyProperty As String = "MyValue" Remarks: I don't think optional method parameters is an advantage of OOP. By those disadvantages, I cannot see the future of VB.NET. Anyone sees the future of VB.NET?

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• Best way to get back to using the power of lxml after having to use a regex to find something in an

  - by PyNEwbie

  I am trying to rip some text out of a large number of html documents (numbers in the hundreds of thousands). The documents are really forms but they are prepared by a very large group of different organizations so there is significant variation in how they create the document. For example, the documents are divided into chapters. I might want to extract the contents of Chapter 5 from every document so I can analyze the content of the chapter. Initially I thought this would be easy but it turns out that the authors might use a set of non-nested tables throughout the document to hold the content so that Chapter n could be displayed using td tags inside a table. Or they might use other elements such as p tags H tags, div tags or any other block level element. After trying repeatedly to use lxml to help me identify the beginning and end of each chapter I have determined that it is a lot cleaner to use a regular expression because in every case, no matter what the enclosing html element is the chapter label is always in the form of >Chapter # It is a little more complicated in that there might be some white space or non-breaking space represented in different ways (  or   or just spaces). Nonetheless it was trivial to write a regular expression to identify the beginning of each section. (The beginning of one section is the end of the previous section.) But now I want to use lxml to get the text out. My thought is that I have really no choice but to walk along my string to find the close tag for the element that encloses the text I am using to find the relevant section. That is here is one example where the element holding the Chapter name is a div <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Chapter 1.&#160;&#160;&#160;Our Beginnings.</font></div> So I am imagining that I would begin at the location where I found the match for chapter 1 and set up a regular expressions to find the next </div|</td|</p|</h1 . . . So at this point I have identified the type of element holding my chapter heading I can use the same logic to find all of the text that is within that element that is set up a regular expression to help me mark from >Chapter 1.&#160;&#160;&#160;Our Beginnings.< So I have identified where my Chapter 1 begins I can do the same for chapter 2 (which is where Chapter 1 ends) Now I am imagining that I am going to snip the document beginning at the opening of the element that I identified as the element the indicates where chapter 1 begins and ending just before the opening of the element that I identified as the element that indicates where Chapter 2 begins. The string that I have identified will then be fed to lxml to use its power to get the content. I am going to all of this trouble because I have read over and over - never use a regular expression to extract content from html documents and I have not hit on a way to be as accurate with lxml to identify the starting and ending locations for the text I want to extract. For example, I can never be certain that the subtitle of Chapter 1 is Our Beginnings it could be Our Red Canary. Let me say that I spent two solid days trying with lxml to be confident that I had the beginning and ending elements and I could only be accurate <60% of the time but a very short regular expression has given me better than 95% success. I have a tendency to make things more complicated than necessary so I am wondering if anyone has seen or solved a similar problems and if they had an approach (not the details mind you) that they would like to offer.

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• Devise / Rails 4 Windows mobile authentication failure

  - by Nic Willemse

  Im using devise with a rails 4 application. Authentication works fine on most devices, including some old feature phones. I am however running into problems with the Nokia Lumia. Please see log snippet below. By the looks of things this appears to be a rails issue rather than a devise problem. Please Help! 014-05-30T09:47:38.668478+00:00 app[web.1]: Started POST "/users/sign_in" for 197.111.223.249 at 2014-05-30 09:47:38 +0000 2014-05-30T09:47:38.668505+00:00 app[web.1]: Started POST "/users/sign_in" for 197.111.223.249 at 2014-05-30 09:47:38 +0000 2014-05-30T09:47:38.672961+00:00 app[web.1]: Processing by Devise::SessionsController#create as HTML 2014-05-30T09:47:38.672968+00:00 app[web.1]: Processing by Devise::SessionsController#create as HTML 2014-05-30T09:47:38.674163+00:00 app[web.1]: Can't verify CSRF token authenticity 2014-05-30T09:47:38.673021+00:00 app[web.1]: Parameters: {"utf8"="?", "authenticity_token"="Ckyw9vAfxbgksugLMainfWoG2jRdq7GB5xBBGxqYhCs=", "user"={"email"="", "password"="[FILTERED]", "remember_me"="0"}, "commit"="Sign in"} 2014-05-30T09:47:38.673027+00:00 app[web.1]: Parameters: {"utf8"="?", "authenticity_token"="Ckyw9vAfxbgksugLMainfWoG2jRdq7GB5xBBGxqYhCs=", "user"={"email"="", "password"="[FILTERED]", "remember_me"="0"}, "commit"="Sign in"} 2014-05-30T09:47:38.674170+00:00 app[web.1]: Can't verify CSRF token authenticity 2014-05-30T09:47:38.677792+00:00 app[web.1]: Completed 422 Unprocessable Entity in 5ms 2014-05-30T09:47:38.677799+00:00 app[web.1]: Completed 422 Unprocessable Entity in 5ms 2014-05-30T09:47:38.683294+00:00 app[web.1]: ActionController::InvalidAuthenticityToken (ActionController::InvalidAuthenticityToken): 2014-05-30T09:47:38.683299+00:00 app[web.1]: vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.1/lib/action_controller/metal/request_forgery_protection.rb:170:in handle_unverified_request' 2014-05-30T09:47:38.683289+00:00 app[web.1]: 2014-05-30T09:47:38.683298+00:00 app[web.1]: vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.1/lib/action_controller/metal/request_forgery_protection.rb:163:inhandle_unverified_request' 2014-05-30T09:47:38.683303+00:00 app[web.1]: vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.1/lib/action_controller/metal/request_forgery_protection.rb:177:in verify_authenticity_token' 2014-05-30T09:47:38.683305+00:00 app[web.1]: vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.1/lib/active_support/callbacks.rb:417:in_run__3672081613755604432__process_action__callbacks' Form : <%= form_for(resource, :as => resource_name, :url => session_path(resource_name), :html => {:class => "form-signin"}) do |f| %> <h2 class="form-signin-heading">Sign in</h2> <%= devise_error_messages! %> <div><%= f.label :email %><br /> <%= f.email_field :email, :autofocus => true, :class=> "form-control" %></div> <div><%= f.label :password %><br /> <%= f.password_field :password , :class=> "form-control"%></div> <% if devise_mapping.rememberable? -%> <div><%= f.check_box :remember_me, :class=> "form-control"%> <%= f.label :remember_me %></div> <% end -%> <div><%= f.submit "Sign in" ,:class => "btn btn-lg btn-primary btn-block"%></div> <input name="authenticity_token" type="hidden" value="<%= form_authenticity_token %>"/> <%= render "devise/shared/links" %> <% end %>

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• Iphone sdk, How to post data to web server? anybody has example ?

  - by user352385

  Hi, guys, I want to post data to web server, like username and password, on the web server, I used PHP to echo yes or no, I attached all the code. Can anybody help me out, what is wrong with the code. Since it always says incorrect password or username. I tried to test the php code with username and password inside, it is working. So please help me. Thank you. Header file @interface kiksyloginViewController : UIViewController { IBOutlet UITextField *usernameField; IBOutlet UITextField *passwordField; IBOutlet UIButton *loginButton; } @property (nonatomic, retain) UITextField *usernameField; @property (nonatomic, retain) UITextField *passwordField; @property (nonatomic, retain) UIButton *loginButton; (IBAction) login: (id) sender; @end Implementation file #import "kiksyloginViewController.h" @implementation kiksyloginViewController @synthesize usernameField; @synthesize passwordField; @synthesize loginButton; (IBAction) login: (id) sender { NSString *post =[NSString stringWithFormat:@"username=%@&password=%@",usernameField.text, passwordField.text]; NSString *hostStr = @"http://localhost/userlogin.php"; hostStr = [hostStr stringByAppendingString:post]; NSData *dataURL = [NSData dataWithContentsOfURL: [ NSURL URLWithString: hostStr ]]; NSString *serverOutput = [[NSString alloc] initWithData:dataURL encoding: NSASCIIStringEncoding]; if([serverOutput isEqualToString:@"Yes"]){ UIAlertView *alertsuccess = [[UIAlertView alloc] initWithTitle:@"Congrats" message:@"You are authorized " delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil, nil]; [alertsuccess show]; [alertsuccess release]; } else { UIAlertView *alertsuccess = [[UIAlertView alloc] initWithTitle:@"Error" message:@"Username or Password Incorrect" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil, nil]; [alertsuccess show]; [alertsuccess release]; } } (void)didReceiveMemoryWarning { // Releases the view if it doesn’t have a superview. [super didReceiveMemoryWarning]; // Release any cached data, images, etc that aren’t in use. } (void)viewDidUnload { // Release any retained subviews of the main view. // e.g. self.myOutlet = nil; } (void)dealloc { [super dealloc]; } @end PHP file <?php //$Container = new Container ; $u = $_GET['username']; $pw =$_GET['password']; $check = "select username, password from user where username='$u' and password='$pw'"; function myDbconn() { mysql_connect("localhost", "root","") or die(); mysql_select_db("test") or die (mysql_error()); } myDbconn(); $login = mysql_query($check) or die (mysql_error()); //$run = DB()-select($check); if (mysql_num_rows($login)==1){ //$row = DB()-fetch($run); //$row = DB()-fetch($login); $row = mysql_fetch_assoc($login); echo 'yes'; exit; } else { echo 'No'; exit; } ?

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• Hardware/Software inventory open source projects

  - by Dick dastardly

  Dear Stackoverflowers I would like to develop a Network Inventory application that works on any operating system. Reports on every possible resource attacehd to a network. Reports all pertinent details of hardware and software. Thats (and i hate to use the phrase) my "End Game". However I am running before i can crawl here. I have no experience of this type of development, e.g. discovering a computers hardware and software settings. I've spent almost two weeks googling and come up short! :-(. So I am turning to you to ask these questions:- My first step is to find an existing open source project i can incorporate into my own code that extracts the fine grained details i am after, e.g. EVERYTHING there is to know about the hardaware and software on a single machine. Does this project exist? or do i have to develop that first? Have i got to write all this in C? I am guessing getting this information about a computer is going to be easier than for printers, scanners, routers etc... e.g. everything else you would find attached to a network. Once i have access to a single computers details i then need to investigate how i can traverse an entire newtork of printers, scanners, routers, load balancers, switches, firewalls, workstations, servers, storeage devices, laptops, monitors, the list goes on and on One problem i have is i dont have a 1000 machine newtork to play on! Is there any such resource available on theinternet? (is that a silly question?) Anywho, if you dont ask you wont find out! One aspect iam really looking forward to finding out how to travers the entire network, should i be using TCP/IP for this? Whats a good site, blog, usergorup, book for TCP/IP development? How do i go about getting through firewalls? How many questions can i ask in one go? :-) My previous question on this topic ended up with PYTHON being championed as the language/script to go with to develop this application in. Having looked at a few PYTHON examples they all seemed to be related to WINDOWS networks and interrogating Windows Management Instrumentation (WMI). I had the feeling you cant rely on whats in WMI, and even if you can that s no good for UNIX netwrks. Surely there exist common code for extracting hardware and software details from a computer? Why cant i find it on the internet? Pease help? Theres no prizes though :-( Thanks in advance I would like to appologise if i have broken forum rules or not tried hard enough on my own before asking for assistance. I just would like to start moving forward with this as its one of the best projects i have been involved with. I am inspired by the many differnt number of challenges involved and that if i manage to produce a useful application at the end of it it would hopefully be extremely helpful to many people. That sit Thanks in advance DD

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• add the same qtreewidgetitems into the second column

  - by srinu

  hello i am using the following program to display the qtreewidget. main.cpp include include "qdomsimple.h" include include "qdomsimple.h" int main(int argc, char *argv[]) { QApplication a(argc, argv); QStringList filelist; filelist.push_back("C:\department1.xml"); filelist.push_back("C:\department2.xml"); filelist.push_back("C:\department3.xml"); QDOMSimple w(filelist); w.resize(260,200); w.show(); return a.exec(); } qdomsimple.cpp include "qdomsimple.h" include include QDOMSimple::QDOMSimple(QStringList strlst,QWidget *parent) : QWidget(parent) { k=0; // DOM document QDomDocument doc("title"); QStringList headerlabels; headerlabels.push_back("Chemistry"); headerlabels.push_back("Mechanical"); headerlabels.push_back("IT"); m_tree = new QTreeWidget( this ); m_tree->setColumnCount(3); m_tree->setHeaderLabels(headerlabels); QStringList::iterator it; for(it=strlst.begin();it<strlst.end();it++) { QFile file(*it); if ( file.open( QIODevice::ReadOnly | QIODevice::Text )) { // The tree view to be filled with xml data // (m_tree is a class member variable) // Creating the DOM tree doc.setContent( &file ); file.close(); // Root of the document QDomElement root = doc.documentElement(); // Taking the first child node of the root QDomNode child = root.firstChild(); // Setting the root as the header of the tree //QTreeWidgetItem* header = new QTreeWidgetItem; //header->setText(k,root.nodeName()); //m_tree->setHeaderItem(header); // Parse until the end of document while (!child.isNull()) { //Convert a DOM node to DOM element QDomElement element = child.toElement(); //Parse only if the node is a really an element if (!element.isNull()) { //Parse the element recursively parseElement( element,0); //Go to the next sibling child = child.nextSiblingElement(); } } //m_tree->setGeometry( QApplication::desktop()->availableGeometry() ); //setGeometry( QApplication::desktop()->availableGeometry() ); } k++; } } void QDOMSimple::parseElement( QDomElement& aElement, QTreeWidgetItem *aParentItem ) { // A map of all attributes of an element QDomNamedNodeMap attrMap = aElement.attributes(); // List all attributes QStringList attrList; for ( int i = 0; i < attrMap.count(); i++ ) { // Attribute name //QString attr = attrMap.item( i ).nodeName(); //attr.append( "-" ); /* Attribute value QString attr; attr.append( attrMap.item( i ).nodeValue() );*/ //attrList.append( attr ); attrList.append(attrMap.item( i).nodeValue()); } QTreeWidgetItem* item; // Create a new view item for elements having child nodes if (aParentItem) { item = new QTreeWidgetItem(aParentItem); } // Create a new view item for elements without child nodes else { item = new QTreeWidgetItem( m_tree ); } //Set tag name and the text QString tagNText; tagNText.append( aElement.tagName() ); //tagNText.append( "------" ); //tagNText.append( aElement.text() ); item->setText(0, tagNText ); // Append attributes to the element node of the tree for ( int i = 0; i < attrList.count(); i++ ) { QTreeWidgetItem* attrItem = new QTreeWidgetItem( item ); attrItem->setText(0, attrList[i] ); } // Repeat the process recursively for child elements QDomElement child = aElement.firstChildElement(); while (!child.isNull()) { parseElement( child, item ); child = child.nextSiblingElement(); } } QDOMSimple::~QDOMSimple() { } for this i got the qtreewidget like this +file1 +file2 +file3 but actual wanted output is +file1 +file2 +file3 i don't know how to do it.Thanks in advance

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• Why can't my program display this dialog box, while another program can?

  - by nonoitall

  I'm trying to write a wrapper for Winamp input plugins and have hit a bit of a snag. I'd like my wrapper to be able to display a plugin's configuration dialog, which is (or should be) achieved by calling the plugin's Config(HWND hwndParent) function. For most plugins, this works fine and my program is able to display the plugin's configuration dialog. However, 64th Note (a plugin for playing USF files) is giving me problems. Winamp can display its configuration dialog just fine, but whenever I try to display it from my wrapper, the dialog gets destroyed before it ever shows itself. Thankfully, 64th Note is open source, so I took a look at its innards to try and get an idea of what's going wrong. I've trimmed off the irrelevant bits and am left with this: Config function in the plugin (should show configuration dialog): void Config(HWND hwndParent) { DialogBox(slave, (const char *) IDD_CONFIG_WINDOW, NULL, configDlgProc); } (Slave is the plugin DLL's HINSTANCE handle.) The proc for the dialog is as follows (I have stripped out all the functionality, since it doesn't appear to have an influence on this problem): BOOL CALLBACK configDlgProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam) { return 0; } The template for IDD_CONFIG_WINDOW is as follows: IDD_CONFIG_WINDOW DIALOGEX 0, 0, 269, 149 STYLE DS_SETFONT | DS_MODALFRAME | WS_POPUP | WS_CAPTION | WS_SYSMENU CAPTION "64th Note configuration" FONT 8, "MS Sans Serif", 0, 0, 0x0 BEGIN DEFPUSHBUTTON "OK",IDOK,212,38,50,14 CONTROL "Play Forever",IDC_NOLENGTH,"Button",BS_AUTORADIOBUTTON,7,7,55,8 CONTROL "Always Use Default Length",IDC_SETLEN,"Button",BS_AUTORADIOBUTTON,7,17,101,8 CONTROL "Default Length",IDC_DEFLEN,"Button",BS_AUTORADIOBUTTON,7,29,63,8 EDITTEXT IDC_DEFLENVAL,71,28,38,12,ES_AUTOHSCROLL EDITTEXT IDC_DEFFADEVAL,71,42,38,12,ES_AUTOHSCROLL CONTROL "Detect Silence",IDC_DETSIL,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,7,56,63,8 EDITTEXT IDC_DETSILVAL,71,56,38,12,ES_AUTOHSCROLL CONTROL "Slider2",IDC_PRISLIDER,"msctls_trackbar32",TBS_AUTOTICKS | WS_TABSTOP,74,90,108,11 EDITTEXT IDC_TITLEFMT,7,127,255,15,ES_AUTOHSCROLL CONTROL "Default to file name on missing field",IDC_FNONMISSINGTAG, "Button",BS_AUTOCHECKBOX | WS_TABSTOP,50,114,124,8 CONTROL "Use Recompiler CPU",IDC_RECOMPILER,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,145,7,83,8 CONTROL "Round Frequency",IDC_ROUNDFREQ,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,145,16,73,8 CONTROL "Seek Backwards",IDC_BACKWARDS,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,145,26,70,8 CONTROL "Fast Seek",IDC_FASTSEEK,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,145,35,48,8 CONTROL "RSP Sections",IDC_SECTIONS,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,145,45,60,8 CONTROL "Soft Amplify",IDC_SOFTAMP,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,145,54,53,8 CONTROL "Audio HLE",IDC_AUDIOHLE,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,145,63,50,8 CONTROL "Auto Audio HLE",IDC_AUTOAUDIOHLE,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,145,72,64,8 CONTROL "Display Errors",IDC_DISPERROR,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,145,81,58,8 EDITTEXT IDC_RELVOL,211,104,28,12,ES_AUTOHSCROLL PUSHBUTTON "Cancel",IDCANCEL,212,54,50,14 PUSHBUTTON "Help",IDHELPBUTTON,212,71,50,14 LTEXT "Title format:",IDC_STATIC,7,113,38,8 LTEXT "seconds",IDC_STATIC,112,29,28,8 LTEXT "Default Fade",IDC_STATIC,19,43,42,8 LTEXT "seconds",IDC_STATIC,112,43,28,8 LTEXT "seconds",IDC_STATIC,112,57,28,8 CTEXT "CPU Thread Priority",IDC_STATIC,7,91,63,8 CTEXT "Look ma, I'm data!",IDC_CPUPRI,75,104,108,8 LTEXT "Relative Volume",IDC_STATIC,199,94,52,8 LTEXT "Fade Type",IDC_STATIC,7,75,35,8 COMBOBOX IDC_FADETYPE,45,72,87,74,CBS_DROPDOWNLIST | WS_TABSTOP END Naturally, without any substance in the proc function, the dialog doesn't have any functionality, but it still displays in Winamp when the Config function is invoked. However, it does not appear when I invoke it from my wrapper program. When I monitored the messages sent to the dialog in its proc function, I saw that WM_DESTROY and WM_NCDESTROY were sent within the first few messages, though I have no clue as to why. If I change the Config function so that it displays the plugin's About dialog instead of its configuration dialog, both Winamp and my wrapper will display the About dialog, which suggests that there is something unique to the configuration dialog template that's causing the problem. The modified Config function reads like so: void Config(HWND hwndParent) { DialogBox(slave, (const char *) IDD_ABOUTBOX, NULL, configDlgProc); } The template for the About dialog is as follows: IDD_ABOUTBOX DIALOGEX 0, 0, 152, 151 STYLE DS_SETFONT | DS_MODALFRAME | WS_POPUP | WS_CAPTION | WS_SYSMENU CAPTION "About 64th Note" FONT 8, "MS Sans Serif", 0, 0, 0x1 BEGIN LTEXT "64th Note v1.2 beta 3\nBased on Project 64 1.6 by Zilmar and Jabo\nAudio HLE by Azimer\nPSF concept and tagging by Neill Corlett\nPlayer by hcs, Josh W, dr0\nhttp://hcs64.com/usf",IDC_STATIC,7,94,138,50 CONTROL 110,IDC_STATIC,"Static",SS_BITMAP,26,7,95,86,WS_EX_DLGMODALFRAME END Like I said, my wrapper displays the About dialog just fine, as does Winamp. Why can Winamp display the Config dialog, while my wrapper cannot?

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• How do I maximize code coverage?

  - by naivedeveloper

  Hey all, the following is a snippet of code taken from the unix ptx utility. I'm attempting to maximize code coverage on this utility, but I am unable to reach the indicated portion of code. Admittedly, I'm not as strong in my C skills as I used to be. The portion of code is indicated with comments, but it is towards the bottom of the block. if (used_length == allocated_length) { allocated_length += (1 << SWALLOW_REALLOC_LOG); block->start = (char *) xrealloc (block->start, allocated_length); } Any help interpreting the indicated portion in order to cover that block would be greatly appreciated. /* Reallocation step when swallowing non regular files. The value is not the actual reallocation step, but its base two logarithm. */ #define SWALLOW_REALLOC_LOG 12 static void swallow_file_in_memory (const char *file_name, BLOCK *block) { int file_handle; /* file descriptor number */ struct stat stat_block; /* stat block for file */ size_t allocated_length; /* allocated length of memory buffer */ size_t used_length; /* used length in memory buffer */ int read_length; /* number of character gotten on last read */ /* As special cases, a file name which is NULL or "-" indicates standard input, which is already opened. In all other cases, open the file from its name. */ bool using_stdin = !file_name || !*file_name || strcmp (file_name, "-") == 0; if (using_stdin) file_handle = STDIN_FILENO; else if ((file_handle = open (file_name, O_RDONLY)) < 0) error (EXIT_FAILURE, errno, "%s", file_name); /* If the file is a plain, regular file, allocate the memory buffer all at once and swallow the file in one blow. In other cases, read the file repeatedly in smaller chunks until we have it all, reallocating memory once in a while, as we go. */ if (fstat (file_handle, &stat_block) < 0) error (EXIT_FAILURE, errno, "%s", file_name); if (S_ISREG (stat_block.st_mode)) { size_t in_memory_size; block->start = (char *) xmalloc ((size_t) stat_block.st_size); if ((in_memory_size = read (file_handle, block->start, (size_t) stat_block.st_size)) != stat_block.st_size) { error (EXIT_FAILURE, errno, "%s", file_name); } block->end = block->start + in_memory_size; } else { block->start = (char *) xmalloc ((size_t) 1 << SWALLOW_REALLOC_LOG); used_length = 0; allocated_length = (1 << SWALLOW_REALLOC_LOG); while (read_length = read (file_handle, block->start + used_length, allocated_length - used_length), read_length > 0) { used_length += read_length; /* Cannot cover from this point...*/ if (used_length == allocated_length) { allocated_length += (1 << SWALLOW_REALLOC_LOG); block->start = (char *) xrealloc (block->start, allocated_length); } /* ...to this point. */ } if (read_length < 0) error (EXIT_FAILURE, errno, "%s", file_name); block->end = block->start + used_length; } /* Close the file, but only if it was not the standard input. */ if (! using_stdin && close (file_handle) != 0) error (EXIT_FAILURE, errno, "%s", file_name); }

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• DTGridView losting content while scrolling

  - by Wim Haanstra

  I am using DTGridView from the DTKit by Daniel Tull. I implemented it in a very simple ViewController and the test I am doing is to place a button in the last row of the grid, which should add another row to the grid (and therefor moving the button to a row beneath it). The problem is, when I click the button a couple of times and then start scrolling, the grid seems to lose its content. As I am not completly sure this is a bug in the grid, but more in my code, I hope you guys can help me out and track down the bug. First I have my header file, which is quite simple, because this is a test: #import <UIKit/UIKit.h> #import "DTGridView.h" @interface TestController : UIViewController <DTGridViewDelegate, DTGridViewDataSource> { DTGridView* thumbGrid; } @end I declare a DTGridView, which will be my grid, where I want to put content in. Now, my code file: #import "TestController.h" @implementation TestController int rows = 1; - (NSInteger)numberOfRowsInGridView:(DTGridView *)gridView { return rows; } - (NSInteger)numberOfColumnsInGridView:(DTGridView *)gridView forRowWithIndex:(NSInteger)index { if (index == rows - 1) return 1; else return 3; } - (CGFloat)gridView:(DTGridView *)gridView heightForRow:(NSInteger)rowIndex { return 57.0f; } - (CGFloat)gridView:(DTGridView *)gridView widthForCellAtRow:(NSInteger)rowIndex column:(NSInteger)columnIndex { if (rowIndex == rows - 1) return 320.0f; else return 106.6f; } - (DTGridViewCell *)gridView:(DTGridView *)gridView viewForRow:(NSInteger)rowIndex column:(NSInteger)columnIndex { DTGridViewCell *view = [[gridView dequeueReusableCellWithIdentifier:@"thumbcell"] retain]; if (!view) view = [[DTGridViewCell alloc] initWithReuseIdentifier:@"thumbcell"]; if (rowIndex == rows - 1) { UIButton* btnLoadMoreItem = [[UIButton alloc] initWithFrame:CGRectMake(10, 0, 301, 57)]; [btnLoadMoreItem setTitle:[NSString stringWithFormat:@"Button %d", rowIndex] forState:UIControlStateNormal]; [btnLoadMoreItem.titleLabel setFont:[UIFont boldSystemFontOfSize:20]]; [btnLoadMoreItem setBackgroundImage:[[UIImage imageNamed:@"big-green-button.png"] stretchableImageWithLeftCapWidth:10.0 topCapHeight:0.0] forState:UIControlStateNormal]; [btnLoadMoreItem addTarget:self action:@selector(selectLoadMoreItems:) forControlEvents:UIControlEventTouchUpInside]; [view addSubview:btnLoadMoreItem]; [btnLoadMoreItem release]; } else { UILabel* label = [[UILabel alloc] initWithFrame:CGRectMake(10,0,100,57)]; label.text = [NSString stringWithFormat:@"%d x %d", rowIndex, columnIndex]; [view addSubview:label]; [label release]; } return [view autorelease]; } - (void) selectLoadMoreItems:(id) sender { rows++; [thumbGrid setNeedsDisplay]; } - (void)viewDidLoad { [super viewDidLoad]; thumbGrid = [[DTGridView alloc] initWithFrame:CGRectMake(0,0, 320, 320)]; thumbGrid.dataSource = self; thumbGrid.gridDelegate = self; [self.view addSubview:thumbGrid]; } - (void)viewDidUnload { [super viewDidUnload]; } - (void)dealloc { [super dealloc]; } @end I implement all the methods for the DataSource, which seem to work. The grid is filled with as many rows as my int 'rows' ( +1 ) has. The last row does NOT contain 3 columns, but just one. That cell contains a button which (when pressed) adds 1 to the 'rows' integer. The problem starts, when it starts reusing cells (I am guessing) and content start disappearing. When I scroll back up, the UILabels I am putting in the cells are gone. Is there some bug, code error, mistake, dumb-ass-move I am missing here? Hope anyone can help.

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• C++ file input/output search

  - by Brian J

  Hi I took the following code from a program I'm writing to check a user generated string against a dictionary as well as other validation. My problem is that although my dictionary file is referenced correctly,the program gives the default "no dictionary found".I can't see clearly what I'm doing in error here,if anyone has any tips or pointers it would be appreciated, Thanks. //variables for checkWordInFile #define gC_FOUND 99 #define gC_NOT_FOUND -99 // static bool certifyThat(bool condition, const char* error) { if(!condition) printf("%s", error); return !condition; } //method to validate a user generated password following password guidelines. void validatePass() { FILE *fptr; char password[MAX+1]; int iChar,iUpper,iLower,iSymbol,iNumber,iTotal,iResult,iCount; //shows user password guidelines printf("\n\n\t\tPassword rules: "); printf("\n\n\t\t 1. Passwords must be at least 9 characters long and less than 15 characters. "); printf("\n\n\t\t 2. Passwords must have at least 2 numbers in them."); printf("\n\n\t\t 3. Passwords must have at least 2 uppercase letters and 2 lowercase letters in them."); printf("\n\n\t\t 4. Passwords must have at least 1 symbol in them (eg ?, $, £, %)."); printf("\n\n\t\t 5. Passwords may not have small, common words in them eg hat, pow or ate."); //gets user password input get_user_password: printf("\n\n\t\tEnter your password following password rules: "); scanf("%s", &password); iChar = countLetters(password,&iUpper,&iLower,&iSymbol,&iNumber,&iTotal); iUpper = countLetters(password,&iUpper,&iLower,&iSymbol,&iNumber,&iTotal); iLower =countLetters(password,&iUpper,&iLower,&iSymbol,&iNumber,&iTotal); iSymbol =countLetters(password,&iUpper,&iLower,&iSymbol,&iNumber,&iTotal); iNumber = countLetters(password,&iUpper,&iLower,&iSymbol,&iNumber,&iTotal); iTotal = countLetters(password,&iUpper,&iLower,&iSymbol,&iNumber,&iTotal); if(certifyThat(iUpper >= 2, "Not enough uppercase letters!!!\n") || certifyThat(iLower >= 2, "Not enough lowercase letters!!!\n") || certifyThat(iSymbol >= 1, "Not enough symbols!!!\n") || certifyThat(iNumber >= 2, "Not enough numbers!!!\n") || certifyThat(iTotal >= 9, "Not enough characters!!!\n") || certifyThat(iTotal <= 15, "Too many characters!!!\n")) goto get_user_password; iResult = checkWordInFile("dictionary.txt", password); if(certifyThat(iResult != gC_FOUND, "Password contains small common 3 letter word/s.")) goto get_user_password; iResult = checkWordInFile("passHistory.txt",password); if(certifyThat(iResult != gC_FOUND, "Password contains previously used password.")) goto get_user_password; printf("\n\n\n Your new password is verified "); printf(password); //writing password to passHistroy file. fptr = fopen("passHistory.txt", "w"); // create or open the file for( iCount = 0; iCount < 8; iCount++) { fprintf(fptr, "%s\n", password[iCount]); } fclose(fptr); printf("\n\n\n"); system("pause"); }//end validatePass method int checkWordInFile(char * fileName,char * theWord){ FILE * fptr; char fileString[MAX + 1]; int iFound = -99; //open the file fptr = fopen(fileName, "r"); if (fptr == NULL) { printf("\nNo dictionary file\n"); printf("\n\n\n"); system("pause"); return (0); // just exit the program } /* read the contents of the file */ while( fgets(fileString, MAX, fptr) ) { if( 0 == strcmp(theWord, fileString) ) { iFound = -99; } } fclose(fptr); return(0); }//end of checkwORDiNFile

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• Craziest JavaScript behavior I've ever seen

  - by Dan Ray

  And that's saying something. This is based on the Google Maps sample for Directions in the Maps API v3. <html> <head> <meta name="viewport" content="initial-scale=1.0, user-scalable=no"/> <meta http-equiv="content-type" content="text/html; charset=UTF-8"/> <title>Google Directions</title> <script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script> <script type="text/javascript"> var directionDisplay; var directionsService = new google.maps.DirectionsService(); var map; function initialize() { directionsDisplay = new google.maps.DirectionsRenderer(); var myOptions = { zoom:7, mapTypeId: google.maps.MapTypeId.ROADMAP } map = new google.maps.Map(document.getElementById("map_canvas"), myOptions); directionsDisplay.setMap(map); directionsDisplay.setPanel(document.getElementById("directionsPanel")); } function render() { var start; if(navigator.geolocation) { navigator.geolocation.getCurrentPosition(function(position) { start = new google.maps.LatLng(position.coords.latitude,position.coords.longitude); }, function() { handleNoGeolocation(browserSupportFlag); }); } else { // Browser doesn't support Geolocation handleNoGeolocation(); } alert("booga booga"); var end = '<?= $_REQUEST['destination'] ?>'; var request = { origin:start, destination:end, travelMode: google.maps.DirectionsTravelMode.DRIVING }; directionsService.route(request, function(response, status) { if (status == google.maps.DirectionsStatus.OK) { directionsDisplay.setDirections(response); } }); } </script> </head> <body style="margin:0px; padding:0px;" onload="initialize()"> <div><div id="map_canvas" style="float:left;width:70%; height:100%"></div> <div id="directionsPanel" style="float:right;width:30%;height 100%"></div> <script type="text/javascript">render();</script> </body> </html> See that "alert('booga booga')" in there? With that in place, this all works fantastic. Comment that out, and var start is undefined when we hit the line to define var request. I discovered this when I removed the alert I put in there to show me the value of var start, and it quit working. If I DO ask it to alert me the value of var start, it tells me it's undefined, BUT it has a valid (and accurate!) value when we define var request a few lines later. I'm suspecting it's a timing issue--like an asynchronous something is having time to complete in the background in the moment it takes me to dismiss the alert. Any thoughts on work-arounds?

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• php sorting a seriously multidimensional array...

  - by BigDogsBarking

  I'm trying to sort a multidimensional object, and, after looking on php.net and around here, I get that I should write a function that I can then call via usort. I'm having some trouble with the syntax. I haven't ever written something this complicated before, and trying to figure it out feels like a mindbender... I'm working with the array posted at the end of this post. I want to filter out duplicate [n] values. But, and this is the tricky part for me, I want to keep the [n] value that has the smallest [d] value. So, if I have (and this example is simplified, the real array is at the end of this post): Array ( [7777] => Array ( [0] => Array ( [n] => '12345' [d] => 1 ) [1] => Array ( [n] => '67890' [d] => 4 ) ) [8888] => Array ( [2] => Array ( [n] => '12345' [d] => 10 ) [3] => Array ( [n] => '67890' [d] => 2 ) ) ) I want to filter out duplicate [n] values based on the [d] value, so that I wind up with this: Array ( [7777] => Array ( [0] => Array ( [n] => '12345' [d] => 1 ) ) [8888] => Array [3] => Array ( [n] => '67890' [d] => 2 ) ) ) I've tried writing different variations of the function cmp example posted on php.net, but I haven't been able to get any to work, and I think it's because I'm not altogether clear on how to traverse it using their example... I tried: function cmp($a, $b) { if($a['n'] == $b['n']) { if($a['d'] == $b['d']) { return 0; } } return ($a['n'] < $b['n']) ? -1 : 1; } But, that really did not work at all... Anyway, here's the real array I'm trying to work with... Help is greatly appreciated! Array ( [32112] => Array ( [0] => Array ( [n] => '02124' [d] => '0' ) [1] => Array ( [n] => '02124' [d] => '0.240101905123744' ) [2] => Array ( [n] => '11050' [d] => '0.441758632682761' ) [3] => Array ( [n] => '02186' [d] => '0.317514080260304' ) ) [43434] => Array ( [4] => Array ( [n] => '02124' [d] => '5.89936971664429e-05' ) [5] => Array ( [n] => '02124' [d] => '0.145859264792549' ) [6] => Array ( [n] => '11050' [d] => '0.327864593457739' ) [7] => Array ( [n] => '11050' [d] => '0.312135345168295' ) ) )

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• Custom Java Swing Meter Control

  - by Tyler

  I'm trying to make a custom swing control that is a meter. The arrow will move up and down. Here is my current code, but I feel I've done it wrong. import java.awt.BasicStroke; import java.awt.Color; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.LinearGradientPaint; import java.awt.Polygon; import java.awt.Stroke; import java.awt.geom.Point2D; import java.awt.geom.Rectangle2D; import javax.swing.JFrame; import javax.swing.JPanel; public class meter extends JFrame { Stroke drawingStroke = new BasicStroke(2); Rectangle2D rect = new Rectangle2D.Double(105, 50, 40, 200); Double meterPercent = new Double(0.57); public meter() { setTitle("Meter"); setLayout(null); setSize(300, 300); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setLocationRelativeTo(null); setVisible(true); } public void paint(Graphics g) { // Paint Meter Graphics2D g1 = (Graphics2D) g; g1.setStroke(drawingStroke); g1.draw(rect); // Set Meter Colors Point2D start = new Point2D.Float(0, 0); Point2D end = new Point2D.Float(0, this.getHeight()); float[] dist = { 0.1f, 0.5f, 0.9f }; Color[] colors = { Color.green, Color.yellow, Color.red }; LinearGradientPaint p = new LinearGradientPaint(start, end, dist, colors); g1.setPaint(p); g1.fill(rect); // Make a triangle - Arrow on Meter int[] x = new int[3]; int[] y = new int[3]; int n; // count of points // Set Points for Arrow Integer meterArrowHypotenuse = (int) rect.getX(); Integer meterArrowTip = (int) rect.getY() + (int) (rect.getHeight() * (1 - meterPercent)); x[0] = meterArrowHypotenuse - 25; x[1] = meterArrowHypotenuse - 25; x[2] = meterArrowHypotenuse - 5; y[0] = meterArrowTip - 20; // Top Left y[1] = meterArrowTip + 20; // Bottom Left y[2] = meterArrowTip; // Tip of Arrow n = 3; // Number of points, 3 because its a triangle // Draw Arrow Border Polygon myTriShadow = new Polygon(x, y, n); // a triangle g1.setPaint(Color.black); g1.fill(myTriShadow); // Set Points for Arrow Board x[0] = x[0] + 1; x[1] = x[1] + 1; x[2] = x[2] - 2; y[0] = y[0] + 3; y[1] = y[1] - 3; y[2] = y[2]; Robot robot = new Robot(); Color colorMeter = robot.getPixelColor(x[2]+10, y[2]); // Draw Arrow Polygon myTri = new Polygon(x, y, n); // a triangle Color colr = new Color(colorMeter.getRed(), colorMeter.getGreen(), colorMeter.getBlue()); g1.setPaint(colr); g1.fill(myTri); } public static void main(String[] args) { new meter(); } } Thanks for looking.

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• Spring MVC working with Web Designers

  - by jboyd

  When working with web-designers in a Spring-MVC and JSP environment, are there any tools or helpful patterns to reduce the pain of going back and forth from HTML to JSP and back? Project requirements dictate that views will change often, and it can be difficult to make changes efficiently because of the amount of Java code that leaks into the view layer. Ideally I'd like to remove almost all Java code from the view, but it does not seem like this works with the Spring/JSP philosophy where often the way to remove Java code is to replace that code with tag libraries, which will still have a similar problem. To provide a little clarity to my question I'm going to include some existing code (inherited by me) to show the kinds of problems I'm likely to face when change the look of our views: <%-- Begin looping through results --%> <% List memberList = memberSearchResults.getResults(); for(int i = start - 1; i < memberList.size() && i < end; i++) { Profile profile = (Profile)memberList.get(i); long profileId = profile.getProfileId(); String nickname = profile.getNickname(); String description = profile.getDescription(); Image image = profile.getAvatarImage(); String avatarImageSrc = null; int avatarImageWidthNum = 0; int avatarImageHeightNum = 0; if(null != image) { avatarImageSrc = image.getSrc(); avatarImageWidthNum = image.getWidth(); avatarImageHeightNum = image.getHeight(); } String bgColor = i % 2 == 1 ? "background-color:#FFF" : ""; %> <div style="float:left;clear:both;padding:5px 0 5px 5px;cursor:pointer;<%= bgColor %>" onclick='window.location="profile.sp?profileId=<%= profileId %>"'> <div style="float:right;clear:right;padding-left:10px;width:515px;font-size:10px;color:#7e7e7e"> <h6><%= nickname %></h6> <%= description %> </div> <img style="float:left;clear:left;" alt="Avatar Image" src="<%= null != avatarImageSrc && avatarImageSrc.trim().length() > 0 ? avatarImageSrc : "images/defaultUserImage.png" %>" <%= avatarImageWidthNum < avatarImageHeightNum ? "height='59'" : "width='92'" %> /> </div> <% } // End loop %> Now, ignoring some of the code smells there, it's obvious that if someone wants to change the look of that DIV it would be neccesary to re-place all the Java/JSP code into the new HTML given (the designers don't work in JSP files, they have their own HTML versions of the website). Which is tedious, and prone to errors.

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• Help needed with Flash AS2 to AS3 conversion, having major problems...

  - by Mat

  Hi all, I have a project i need to update form AS2 to AS3 as i need some of the new functions available for vertical centering of text. My current AS2 code on the time line is as follows. var dataField = _root.dataField; var dataType = _root.dataType; var dataPage = _root.dataPage; var dataVar = _root.dataVar; _root.mc.onRelease = function() { getURL("index.php?page="+dataPage+"&num="+dataNum+"&"+dataType+"="+dataVar, "_self"); }; And my external AS file is as follows. import mx.transitions.Tween; /** * * StandardKey is attached to a movieclip in the library. * It handles the basic button behavior of the keyboard keys. * When each button is placed on the stage, it's instance name * will be the unique ID of the key. * */ class StandardKey extends MovieClip { /////////////////////////////////////// //Stage Elements var highlight:MovieClip; //End Stage Elements var highlightTween:Tween; function StandardKey(Void) { //Repaint the key with 0 alpha highlight._alpha = 0; } function onPress(Void):Void { //Do the highlight animation highlightTween.stop(); highlightTween = new Tween(highlight, "_alpha", mx.transitions.easing.Regular.easeInOut, 100, 0, 10, false); } } Here is my attempt at moving timeline and external AS2 to AS3 Timeline i now have : var dataField = this.dataField; var dataType = this.dataType; var dataPage = this.dataPage; var dataVar = this.dataVar; var dataNum = this.dataNum; _root.mc.onRelease = function() { navigateToURL(new URLRequest("index.php?page="+dataPage+"&num="+dataNum+"&"+dataType+"="+dataVar, "_self")); }; External AS3 i have package { import fl.transitions.Tween; import fl.transitions.easing.*; import flash.display.MovieClip; /** * * StandardKey is attached to a movieclip in the library. * It handles the basic button behavior of the keyboard keys. * When each button is placed on the stage, it's instance name * will be the unique ID of the key. * */ public class StandardKey extends MovieClip { /////////////////////////////////////// //Stage Elements var highlight:MovieClip; //End Stage Elements var highlightTween:Tween; public function StandardKey(Void) { //Repaint the key with 0 alpha highlight._alpha = 0; } public function onPress(Void):void { //Do the highlight animation highlightTween.stop(); highlightTween = new Tween(highlight, "_alpha", fl.transitions.easing.Regular.easeInOut, 100, 0, 10, false); } } } The errors i am currently getting are : Scene 1, Layer 'Label', Frame 1, Line 6 1120: Access of undefined property _root. Scene 1, Layer 'Label', Frame 1, Line 7 1137: Incorrect number of arguments. Expected no more than 1. If any one could help me work this out i would appreciate it very much. Kind regards Mat.

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• JQuery get attr value from ajax loaded page

  - by Paolo Rossi

  In my index.php I've a ajax pager that load a content page (paginator.php). index.php <script type='text/javascript' src='js/jquery-1.11.1.min.js'></script> <script type='text/javascript' src='js/paginator.js'></script> <script type='text/javascript' src='js/functions.js'></script> <!-- Add fancyBox --> <script type="text/javascript" src="js/jquery.fancybox.pack.js?v=2.1.5"></script> <html> <div id="content"></div> paginator.js $(function() { var pageurl = 'paginator.php'; //Initialise the table at the first run $( '#content' ).load( pageurl, { pag: 1 }, function() { //animation(); }); //Page navigation click $( document ).on( 'click', 'li.goto', function() { //Get the id of clicked li var pageNum = $( this ).attr( 'id' ); $( '#content' ).load( pageurl, { pag: pageNum }, function() { //animation(); }); }); }); /* END */ paginator.php <ul><li>..etc </ul> ... ... <a id='test' vid='123'>get the id</a> <a id='test2' url='somepage.php'>open fancybox</a> I would like to take a variable of the loaded page (paginator.php) in this way but unfortunately I can not. functions.js $(function() { $('#test' ).click(function(e) { var id = $('#test').attr('vid'); alert ("vid is " + vid); }); }); /* END */ In this case popup not appear. I tried with add fancybox in my functions.js. Dialog box appear but the url attr is not taken. var url = $('#test2').attr('url'); $('#test').fancybox({ 'href' : url, 'width' : 100, 'height' : 100, 'autoScale' : false, 'transitionIn' : 'none', 'transitionOut' : 'none', 'type' : 'iframe', 'fitToView' : true, 'autoSize' : false }); In other scenarios, without having the page loaded, I can do it, but in this case the behavior is different. How could I do this? thanks EDIT my goal is to open a dialog (fancybox) taking a variable from the loaded page EDIT2 I tried in this way paginator.php <a id="test" vid="1234">click me</a> paginator.js //Initialise the table at the first run $( '#content' ).load( pageurl, { pag: 1 }, function() { hide_anim(); popup(); }); //Page navigation click $( document ).on( 'click', 'li.goto', function() { //Get the id of clicked li var pageNum = $( this ).attr( 'id' ); $( '#content' ).load( pageurl, { pag: pageNum }, function() { hide_anim(); popup(); }); }) function.js function popup() { $('#test' ).click(function(e) { e.preventDefault(); var vid = $('#test').attr('vid'); alert ("vid is " + vid); }); } But popup not appear...

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