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• Key stroke time in Openmoko or any smart phones

  - by Adi

  Dear all, I am doing a project in which I am working on security issues related to smart phones. I want to develop an authentication scheme which is based on biometrics, Every human being have a unique key-hold time,digraph time error rate. Key-Hold Time : Time difference between pressing and releasing a key . Digraph Time : Time difference between releasing one and pressing next one. Error Rate : No of times backspace is pressed. I got these metrics from a paper "Keystroke-based User Identification on Smart Phones" by Saira Zahid1, Muhammad Shahzad1, Syed Ali Khayam1,2, Muddassar Farooq1. I was planning to get the datasets to test my algorithm from openmoko phone, but the phone is mis-behaving and I am finding trouble in generating these time data-sets. If anyone can help me or tell me a good source of data sets for the 3 metrics I defined, it will be a great help. Thanks Aditya

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• orale clients dead wait

  - by Macroideal

  hi all friends I meet a problem yestoday...maybe it's becoz it is april 1st... but it did exist. here i begin clarifying: i have 3 pcs in remote area..2 clients and 1 oracle server.. my app is running seperately in the two clients hourly connecting to the oracles,,my clients worked well be4 April 1th, but suddenly my app in the clients mechines went down...first i did not change any configurations.... i used libsqlora8 to connect the server...I went into a dead loop in the library...I tried sqlplus, but it dead there in my shell terminal, like it meets a infinite loop....no return until i pressed ctrl + c, the reason i guess is "infinite loop" somewhere..... btw, when i used my local pc to connect the server, it worked well...just from this phenomenon, wen can see the is problems lie in the client mechines..and i check the configuration file both in local mechine and client mechines..they are identical have you met a problem like this.... I dont hope it's frank of April 1st

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• asp.net mvc making delete usercontrol information passing on and off

  - by mazhar kaunain baig

  i am creating a generalize deleteusercontrol , my aim is that on the listing page where all the records are listed when the delete is pressed i want to display the acknowledgment on the same page up the list. I had little idea to do that q1) first of all where will i place my deleteusercontrol(in the shared folder?). q2) on and off the deleteusercontrol as the acknowledgment will not be there all the time how would i be doing that on delete press. i don't want to pass any data in the querystring. q3)how would i be passing the records list id and listname to the general deleteusercontrol as it would be same for all the listing

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• How come BraceMatch() doesn't work when a lexer is set in wxStyledTextCtrl?

  - by George Edison

  I have the following chunk of C++ code that gets called when } is pressed: int iCurPos = GetCurrentPos(); InsertText(iCurPos,wxT("}")); int iPos = BraceMatch(iCurPos); This works fine (iPos gets the position of the matching brace) except when I call SetLexer(...) beforehand. Then it returns -1? How can I get it to work? Edit: I should point out that the above code is being called from the EVT_KEY_DOWN handler in a wxStyledTextCtrl-derived class.

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• added TextToSpeech to my activity and now my onDestroy is not called any more, bug?

  - by hermo

  I added TextToSpeech to my app, following the guidelines in the following post: http://android-developers.blogspot.com/2009/09/introduction-to-text-to-speech-in.html and now my onDestroy is no longer called when the back button is pressed. I filed a bug report regarding this: http://code.google.com/p/android/issues/detail?id=7674 Figured i should also ask here if someone else has seen this, and found a solution? It seems that it is the intent that causes the problem, i.e. the following: Intent checkIntent = new Intent(); checkIntent.setAction(TextToSpeech.Engine.ACTION_CHECK_TTS_DATA); startActivityForResult(checkIntent, MY_DATA_CHECK_CODE); If I skip this intent, and just go ahead and create a tts-instance, it works fine. Any clues to what is wrong with this intent?

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• this.select() and javascript events on forms

  - by aloishis89

  I have a form box that I want to be always selected. I was able to get it to select everything in the box when it is clicked (using onFocus="this.select()") but I want it to be selected 100% of the time. The text in the box will be always changing, so I tried using onChange="this.select()" but that didn't work. Here's what I have: <form> <input type="text" id="txt1" size="30" maxlength="1" onkeyup="showHint(this.value)" onFocus="this.select()" onBlur="this.select()" onChange="this.select()" value="Click here, then press a key"/> </form> Basically I just tried to call everything in hopes that something would work, but it is still acting as if only onFocus="this.select()" is there. By the way, this is for controlling something via keyboard, which is why the maxlength is only 1. I want it to be always selected so that when new key are pressed, the last command will be changed without having to use backspace.

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• ASP.Net Cross Page Posting

  - by John

  Currently I have two pages: The first page contains an input form, and the 2nd page generates an excel document. The input form's button posts to this 2nd page. What I'd like to do is add a second button which also posts to the 2nd page; however, I'll need requests created from this new button to act differently, which brings me to my question: Is there a way I can tell, from the 2nd page, which button was pressed to submit the request? The main reason I'm asking is I'd like to re-use the 2nd page's logic in parsing the information from the first page if possible; I'd rather not have to copy it to a new page and have the new button post to that. Thanks!

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• How can I embed a PDF in a Word Doc, and access that PDF with VBA?

  - by Austin R

  I have a word doc with some ActiveX buttons on it. When one of these buttons is pressed, a UserForm pops up with a corresponding PDF displayed, like so: This is exactly the behavior I want. However, the problem is that for this to work, the user of the word doc needs to have each of the PDFs saved on their machine as well. Here's the code for one of the buttons: Private Sub AC1Button_Click() DisplayForm.AcroPDF1.LoadFile ("C:\Users\arose\Desktop\Security Control Doc\Sub PDFs\AC1.pdf") DisplayForm.Show End Sub As you can see, the path is hardcoded in. I need to be able to distribute this word doc without needing to distribute a bunch of PDFs along with it, so is there any way to embed PDFs in a word document in such a way that they're accessible by VBA? I've discovered here that it's reasonably easy to embed a PDF in any office doc. And I've tried that: But I can't figure out how to access that PDF object in my VBA code, in order to display it on the UserForm. Any insight is appreciated, thanks!

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• Using glRotate and glTranslate with collision detection.

  - by Cetra

  Hey guys, Say I use glRotate to translate the current view based on some arbitrary user input (i.e, if key left is pressed then rtri+=2.5f) glRotatef(rtri,0.0f,1.0f,0.0f); Then I draw the triangle in the rotated position: glBegin(GL_TRIANGLES); // Drawing Using Triangles glVertex3f( 0.0f, 1.0f, 0.0f); // Top glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right glEnd(); // Finished Drawing The Triangle How do I get the resulting translated vertexes for use in collision detection? Or will I have to manually apply the transform myself and thus doubling up the work? The reason I ask is that I wouldn't mind implementing display lists.

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• .net difference between right shift and left shift keys

  - by Mr AH

  I am currently working on an application which requires different behaviour based on whether the user presses the right or left shift key (RShiftKey, LShiftKey), however when either of these keys is pressed I only see ShiftKey | Shift. Is there something wrong with my keyboard? (laptop) do I need a new keyboard driver/keyboard in order to send the different key commands maybe... This is a pretty massive problem at the moment, as there is no way of testing that the code works (apart from unit tests). Anyone had any experience of the different shift/alt/ctrl keys?

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• iphone not displaying array variables correctly

  - by Rob

  I was reading a tutorial on how to do a UIPicker and found this code: - (IBAction)buttonPressed { NSInteger row = [userPicker selectedRowInComponent:0]; NSString *selected = [userPickerData objectAtIndex:row]; NSString *title = [[NSString alloc] initWithFormat:@"You selected %a", selected]; UIAlertView *alert = [[UIAlertView alloc] initWithTitle:title message:@"Thank you for Choosing." delegate:nil cancelButtonTitle:@"You're Welcome" otherButtonTitles:nil]; [alert show]; [alert release]; [title release]; } - (void)viewDidLoad { // [super viewDidLoad]; NSArray *array = [[NSArray alloc] initWithObjects:@"New", @"Frank", @"Bob", @"Thor", nil]; self.userPickerData = array; [array release]; } The UIPicker displays correctly and the variables in the picker also display correctly. When the button is pressed then the alert message does come up but it says, "You selected.." and then it's a bunch of gibberish. Why aren't the array variables being passed correctly?

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• Sketchflow component target parent state

  - by user186106

  Hi, I'm using Sketchflow in Expression Blend 4 RC (although this is relevant to Blend 3 too). I have a screen with a datagrid on it (MainScreen) and there's a "New" button. I have a component screen that has a generic form (GenericForm) and a "Save and close" button. I have two states on MainScreen: State1 (and default): GenericForm visibility set to Hidden State2: GenericForm visibility set to Visible The "New" button on MainScreen has: Active State = State2, meaning when the "New" button is pressed, it changes the state of MainScreen to State2 (where the GenericForm component is visible). My problem is that I cannot link the "Save and close" button on GenericForm to State1 on MainScreen. In effect I would like to be able to press "Save and close" and for the MainScreen to set its state to State1. Any ideas?

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• How to update the contents of a FigureCanvasTkAgg

  - by Copo

  I'm plotting some data in a Tkinter FigureCanvasTkagg using matplotlib. I need to clear the figure where i plot data and draw new data when a button is pressed. here is the plotting part of the code (there's an App class defined before..) self.fig = figure() self.ax = self.fig.add_subplot(111) self.ax.set_ylim( min(y), max(y) ) self.line, = self.ax.semilogx(x,y,'.-') #tuple of a single element self.canvas = FigureCanvasTkAgg(self.fig,master=master) self.ax.semilogx(x,y,'o-') self.canvas.show() self.canvas.get_tk_widget().pack(side='top', fill='both', expand=1) self.frame.pack() how do i update the contents of such a canvas? regards, Jacopo

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• Simulate the user clicking on a link

  - by timkl

  I want a link to be clicked when a key is pressed, I cooked up this jQuery: $('form#form1').bind("keypress", function(e){ if(e.keycode == 13 || e.keyChar == 13 || e.which == 13){ $('.LoginBoxButton a').click(); } }); It doesn't work, and I've read the following explaining why: It's important to remember that click() will not trigger the default behavior on a link, even if nothing else is preventing it. So you can't use click() by itself to simulate the user clicking on a link and being taken to another url. But how DO you simulate the user clicking on a link and being taken to another url?

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• Android Stream Data Over Wifi?

  - by Neb

  Im trying to make an app for android that will stream the data of the accelerometer to be used as a game controller on my pc over a local wifi connection. Is it possible to make some kind of wifi stream of the accelerometer values in the android app and then make the pc somehow 'read' this stream? Or would it just be better for the pc to make endless calls to the phone getting the newest accelerometer values from a local android server? It would also have to send commands from the phone such as 'button1 pressed', 'button1 released'.

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• SoundPlayer causing Memory Leaks?

  - by Nick Udell

  I'm writing a basic writing app in C# and I wanted to have the program make typewriter sounds as you typed. I've hooked the KeyPress event on my RichTextBox to a function that uses a SoundPlayer to play a short wav file every time a key is pressed, however I've noticed after a while my computer slows to a crawl and checking my processes, audiodlg.exe was using 5 GIGABYTES of RAM. The code I'm using is as follows: I initialise the SoundPlayer as a global variable on program start with SoundPlayer sp = new SoundPlayer("typewriter.wav") Then on the KeyPress event I simply call sp.Play(); Does anybody know what's causing the heavy memory usage? The file is less than a second long, so it shouldn't be clogging the thing up too much.

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• Disabling single line copy in Visual Studio

  - by erlando

  Is there anyway to disable the rather annoying feature that Visual Studio (2008 in my case) has of copying the line (with text on it) the cursor is on when CTRL-C is pressed and no selection is made? I know of the option to disable copying blank lines. But this is driving me crazy as well. ETA: I'm not looking to customize the keyboard shortcut. ETA-II: I am NOT looking for "Tools-Options-Text Editor-All Languages-Apply cut or copy to blank lines...".

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• Adding KeyListener to a JWindow not getting any key events

  - by Untitled

  Hello everyone, In Java, I am adding a KeyListener to a JWindow, but it is not getting any key events. If I used the same code but extend a JFrame instead, then everything works fine. public class MyWindow extends JWindow { ... ... private void initComponents() { ... ... addKeyListener(new KeyListener() { public void keyPressed(KeyEvent e) { System.out.println("KEY PRESSED: " + e.getKeyCode()); } public void keyReleased(KeyEvent e) { System.out.println("KEY RELEASED: " + e.getKeyCode()); } public void keyTyped(KeyEvent e) { System.out.println("KEY TYPED: " + e.getKeyCode()); } }); } } Anyone know how can I solve this by using a JWindow? Please note that I am using Linux, so I am not sure if it is something to do with the platform. Thanks

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• Programmatically manipulating DOM element value doesn't fire onchange event

  - by Johan Fredrik Varen

  Hi all. I've got a hidden form field, and when a button gets pressed the value of the hidden field is changed. Now, I've added an observer to the hidden field, listening for changes to occur. For some reason, though, the event listener never kicks in, even though the value of the hidden element changes. I'm using Prototype and Firefox 3.6. The code looks roughly like this: button.observe('click', function(event) { hiddenField.setValue(someValue); }); hiddenField.observe('change', function(event) { alert('It works!'); }); Does anyone have a clue why the latter observer doesn't execute? Thanks!

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• Preload *.wav with SystemSoundID?

  - by fuzzygoat

  I am playing a wav file to give a little audio feedback when a button in my UI is pressed. My question is when you first press the button there is a delay (about 1.5secs) whilst the sound file "sound.wav" is loaded and cached. Is there a way to pre-cache this file (maybe in my viewDidLoad)? I guess I could do it by just playing it a viewDidLoad, but would really need to disable the audio so it does not "beeb" each time the app starts. many thanks for and help. gary EDIT: Looks like my question is a duplicate of this post unless anyone has any new info? Maybe a way to turn the play volume down temporarily, unless the audio is cleared each time through the run loop.

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• In writing games that deal with scancodes, what do I need to know to support international keyboards

  - by sludge

  I am writing an input system for a game that needs to be able to handle keyboard schemes that are not just qwerty. In designing the system, I must take into consideration: Two types of input: standard shooter controls (lots of buttons being pressed and raw samples collected) and flight sim controls (the button's label is what the user presses to toggle something) Alternative software keyboard layouts (dvorak, azerty, etc) as supplied by the OS Alternative hardware keyboard layouts that supply Unicode characters My initial inclination is to sample the USB HID unicode scancodes. Interested on thoughts on what I need to do to be compatible with the world's input devices and recommendation of input APIs on both platforms.

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• ListView OnItemClickListener Not Responding?

  - by GuyNoir

  I've looked everywhere for a solution to this, but I can't figure out how to implement it. My OnItemClickListener was disabled somehow on my ListView rows, because I have an ImageButton in the row layout, which takes over the focus. There have been numerous questions I've found, but none of them have gotten me anywhere. I've checked this question, but I couldn't really make heads or tails of it. I just need a way to get the rows clickable so that I can detect when a row is pressed. Long press and focus work fine.

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• How can I give a variable to an action listener?

  - by Roman

  I have a static variable partner in the class. And I want to set a value of these variable whenever a radio button is pressed. This is the code I tried to use: for (String playerName: players) { option = new JRadioButton(playerName, false); option.addActionListener(new ActionListener(){ @Override public void actionPerformed(ActionEvent evt) { partner = playerName; } }); partnerSelectionPanel.add(option); group.add(option); } The problem here is that the actionPerformed does not see the variable playerName created in the loop. How can I pass this variable to the actionListener?

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• How to keep submit button visible and executable upon textarea onblur

  - by ninumedia

  I have a <div id="comment_posting_holder"> tag that holds a form with two elements: a textarea box and a submit button. I want to have the div tag (containing the textarea and submit button) disappear if I click somewhere "OTHER" than the submit button. I have a start for the code below. So upon leaving focus from the textarea, I can make the div tag disappear. I tried placing in a mouseclick event inside the blur function for the submit button but that did not work. Any suggestions? Thank you! **Facebook does this with it's comments. If you click on a "Post your comment..." field the textarea appears and then it will disappear upon losing focus other than if you pressed the submit button. $('textarea').blur(function() { $('#comment_posting_holder).hide(); });

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• Increasing number once per mouse click/key press in XNA

  - by DMan

  This has been bothering me lately- when I use some code like below to increase selection every mouse click: if (m.LeftButton == ButtonState.Pressed) currentSelection++; Then currentSelection increases by a ton, simply because this code is in my Update() function and by design, runs every frame and so increases currentSelection. There is almost no chance you can click and release fast enough to prevent currentSelection from increasing more than one. Now my question is what I should do to make it so everytime I click the mouse down once, it only increases currentSelection once until the next time I click down again.

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