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• Touch draw in Quatz 2D/Core Graphics

  - by OgreSwamp

  Hello, I'm trying to implement "hand draw tool". At the moment algorythm looks like that (I don't insert any code because methods are quite big, will try to explain an idea): Drawing In touchesStarted: method I create NSMutableArray *pointsArray and add point into it. Call setNeedsDisplay: method. In touchesMoved: method I calculate points between last added point from the pointsArray and current point. Add all points to the pointsArray. Call setNeedsDisplay: method. In touchesFinished: event I calculate points between last added point from the array and current point. Set flag touchesWereFinished. Call setNeedsDisplay:. Render: drawRect: method checks is pointsArray != nil and is there any data in it. If there is - it starts to traw circles in each point of this array. If flag touchesWereFinished is set - save current context to the UIImage, release pointsArray, set it to nil and reset the flag. There are a lot disadvantages of this method: It is slow It becomes extremely slow when user touches and move finger for long time. Array becomes enormous "Lines" composed by circles are ugly I would like to change my algorithm to make it bit faster and line smoother. In result I would like to have lines like on the picture at following URL (sorry, not enough reputation to insert an image): http://2.bp.blogspot.com/_r5VzEAUYXJ4/SrOYp8tJCPI/AAAAAAAAAMw/ZwDKXiHlhV0/s320/SketchBook+Mobile(4).png Can you advice me, ho I can draw lines this way (smooth and slim on the edges)? I thought to draw circles with alpha gradient on the edges (to make lines smoother), but it will be extremely slowly IMHO. Thanks for help

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• Using Loops for prompts with If/Else/Esif

  - by Dante

  I started with: puts "Hello there, and what's your favorite number?" favnum = gets.to_i puts "Your favorite number is #{favnum}?" " A better favorite number is #{favnum + 1}!" puts "Now, what's your favorite number greater than 10?" favnumOverTen = gets.to_i if favnumOverTen < 10 puts "Hey! I said GREATER than 10! Try again buddy." else puts "Your favorite number great than 10 is #{favnumOverTen}?" puts "A bigger and better number over 10 is #{favnumOverTen * 10}!" puts "It's literally 10 times better!" end That worked fine, but if the user entered a number less than 10 the program ended. I want the user to be prompted to try again until they enter a number greater than 10. Am I supposed to do that with a loop? Here's what I took a swing at, but clearly it's wrong: puts "Hello there, and what's your favorite number?" favnum = gets.to_i puts "Your favorite number is #{favnum}?" " A better favorite number is #{favnum + 1}!" puts "Now, what's your favorite number greater than 10?" favnumOverTen = gets.to_i if favnumOverTen < 10 loop.do puts "Hey! I said GREATER than 10! Try again buddy." favnumOverTen = gets.to_i until favnumOverTen > 10 else puts "Your favorite number great than 10 is #{favnumOverTen}?" puts "A bigger and better number over 10 is #{favnumOverTen * 10}!" puts "It's literally 10 times better!" end

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• Read/Write/Find/Replace huge csv file

  - by notapipe

  I have a huge (4,5 GB) csv file.. I need to perform basic cut and paste, replace operations for some columns.. the data is pretty well organized.. the only problem is I cannot play with it with Excel because of the size (2000 rows, 550000 columns). here is some part of the data: ID,Affection,Sex,DRB1_1,DRB1_2,SENum,SEStatus,AntiCCP,RFUW,rs3094315,rs12562034,rs3934834,rs9442372,rs3737728 D0024949,0,F,0101,0401,SS,yes,?,?,A_A,A_A,G_G,G_G D0024302,0,F,0101,7,SN,yes,?,?,A_A,G_G,A_G,?_? D0023151,0,F,0101,11,SN,yes,?,?,A_A,G_G,G_G,G_G I need to remove 4th, 5th, 6th, 7th, 8th and 9th columns; I need to find every _ character from column 10 onwards and replace it with a space ( ) character; I need to replace every ? with zero (0); I need to replace every comma with a tab; I need to remove first row (that has column names; I need to replace every 0 with 1, every 1 with 2 and every ? with 0 in 2nd column; I need to replace F with 2, M with 1 and ? with 0 in 3rd column; so that in the resulting file the output reads: D0024949 1 2 A A A A G G G G D0024302 1 2 A A G G A G 0 0 D0023151 1 2 A A G G G G G G (both input and output should read one line per row, ne extra blank row) Is there a memory efficient way of doing that with java(and I need a code to do that) or a usable tool for playing with this large data so that I can easily apply Excel functionality..

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• asp.net Can I force every page to inherit from a base page? Also should some of this logic be in my master page?

  - by Bex

  Hi! I have a web app that has a base page. Each page needs to inherit from this base page as it contains properties they all need as well as dealing with the login rights. My base page has some properties, eg: IsRole1, IsRole2, currentUserID, Role1Allowed, Role2Allowed. On the init of each page I set the properties "Role1Allowed" and "Role2Allowed" Private Sub Page_Init(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Init Role1Allowed = True Role2Allowed= False End Sub The basepage then decides if the user needs redirecting. 'Sample code so not exactly what is going to be, bug gives the idea Protected Overridable Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) If Role1Allowed And Not Role1 Then 'Redirect somewhere End If End Sub The page then must override this pageload if they need anything else in it, but making sure they call the base pageload first. Protected Overrides Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load MyBase.Page_Load(sender, e) If Not IsPostBack Then BindGrid() End If End Sub The other properties (IsRole1, IsRole, currentUserID) are also accessible by the page so it can be decided if certain things need doing based on the user. (I hope this makes sense) Ok so I have 2 questions Should this functionality be in the base page or should it somehow be in the master, and if so how would I get access to all the properties if it was? As there are multiple people working on this project and creating pages some are forgetting to inherit from this basepage, or call the base pageload when overriding it. Is there any way to force them to do this? Thanks for any help. bex

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• SQL Server 2005 stored procedure error

  - by user1670625

  I have created a stored procedure of insert command for employee details in SQL Server 2005 in which one of the parameters is an image for which I have used varbinary as the datatype in the table.. But when I am adding that parameter in the stored procedure I am getting the following error- Implicit conversion from data type varchar to varbinary is not allowed. Use the CONVERT function to run this query. Stored procedure: ( @Employee_ID nvarchar(10)='', @Password nvarchar(10)='', @Security_Question nvarchar(50)='', @Answer nvarchar(50)='', @First_Name nvarchar(20)='', @Middle_Name nvarchar(20)='', @Last_Name nvarchar(20)='', @Employee_Type nvarchar(15)='', @Department nvarchar(15)='', @Photo varbinary(50)='' ) insert into Registration ( Employee_ID, Password, Security_Question, Answer, First_Name, Middle_Name, Last_Name, Employee_Type, Department, Photo ) values ( @Employee_ID, @Password, @Security_Question, @Answer, @First_Name, @Middle_Name, @Last_Name, @Employee_Type, @Department, @Photo ) Table structure: Column Name Data Type Allow Nulls Employee_ID nvarchar(10) Unchecked Password nvarchar(10) Checked Security_Question nvarchar(50) Checked Answer nvarchar(50) Checked First_Name nvarchar(20) Checked Middle_Name nvarchar(20) Checked Last_Name nvarchar(20) Checked Employee_Type nvarchar(15) Checked Department nvarchar(15) Checked Photo varbinary(50) Checked I am not getting what to do..can anyone give me some suggestion or solution? Thanks in advance.

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• How can I correctly calculate the direction for a moving object?

  - by Jakub Hampl

  I'm solving the following problem: I have an object and I know its position now and its position 300ms ago. I assume the object is moving. I have a point to which I want the object to get. What I need is to get the angle from my current object to the destination point in such a format that I know whether to turn left or right. The idea is to assume the current angle from the last known position and the current position. I'm trying to solve this in MATLAB. I've tried using several variations with atan2 but either I get the wrong angle in some situations (like when my object is going in circles) or I get the wrong angle in all situations. Examples of code that screws up: a = new - old; b = dest - new; alpha = atan2(a(2) - b(2), a(1) - b(1); where new is the current position (eg. x = 40; y = 60; new = [x y];), old is the 300ms old position and dest is the destination point. Edit Here's a picture to demonstrate the problem with a few examples: In the above image there are a few points plotted and annotated. The black line indicates our estimated current facing of the object. If the destination point is dest1 I would expect an angle of about 88°. If the destination point is dest2 I would expect an angle of about 110°. If the destination point is dest3 I would expect an angle of about -80°.

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• How can I get an NPC to move randomly in XNA?

  - by Fishwaffles

  I basically want a character to walk in one direction for a while, stop, then go in another random direction. Right now my sprites look but don't move, randomly very quickly in all directions then wait and have another seizure. I will post the code I have so far in case that is useful. class NPC: Mover { int movementTimer = 0; public override Vector2 direction { get { Random rand = new Random(); int randDirection = rand.Next(8); Vector2 inputDirection = Vector2.Zero; if (movementTimer >= 50) { if (randDirection == 4) { inputDirection.X -= 1; movingLeft = true; } else movingLeft = false; if (randDirection == 1) { inputDirection.X += 1; movingRight = true; } else movingRight = false; if (randDirection == 2) { inputDirection.Y -= 1; movingUp = true; } else movingUp = false; if (randDirection == 3) { inputDirection.Y += 25; movingDown = true; } else movingDown = false; if (movementTimer >= 100) { movementTimer = 0; } } return inputDirection * speed; } } public NPC(Texture2D textureImage, Vector2 position, Point frameSize, int collisionOffset, Point currentFrame, Point sheetSize, Vector2 speed) : base(textureImage, position, frameSize, collisionOffset, currentFrame, sheetSize, speed) { } public NPC(Texture2D textureImage, Vector2 position, Point frameSize, int collisionOffset, Point currentFrame, Point sheetSize, Vector2 speed, int millisecondsPerframe) : base(textureImage, position, frameSize, collisionOffset, currentFrame, sheetSize, speed, millisecondsPerframe) { } public override void Update(GameTime gameTime, Rectangle clientBounds) { movementTimer++; position += direction; if (position.X < 0) position.X = 0; if (position.Y < 0) position.Y = 0; if (position.X > clientBounds.Width - frameSize.X) position.X = clientBounds.Width - frameSize.X; if (position.Y > clientBounds.Height - frameSize.Y) position.Y = clientBounds.Height - frameSize.Y; base.Update(gameTime, clientBounds); } }

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• how to change color of text following function in javascript

  - by OVERTONE

  Ok before i make spaghetti of this code i thought id ask around here. ive made a quiz for an online site. The answers are stored in an array, and ive a function that checks the answers array to what youve clicked. then it counts them and gives you your score. but i want to change the clor of the right answer wen the user clicks the score button. so the correct answers are highlighted. something like this https://www.shutterpoint.com/Home-Quiz.cfm (just hit submit at the bottom, no need to do the quiz). the little answer icon at the side looks flashy but id rather just have the text change color. heres how my questions are formatted <p>Depth of field is controlled by :?</p> <p id = "question2"><input type="radio" name="question2" id="Answer1" value = "a" onClick ="recordAnswer(2,this.value)"/> The focal length of the lens. <br/> <input type="radio" name="question2" id="Answer2" value = "b" onClick = "recordAnswer(2,this.value)"/> The size of the aperture opening. <br/> <input type="radio" name="question2" id="Answer3" value = "c" onClick = "recordAnswer(2,this.value)"/> The distance between the camera and lens. <br/> <input type="radio" name="question2" id="Answer4" value = "d" onClick = "recordAnswer(2,this.value)"/> All of these. <br/></p> and these are the two functions that are called throughout. record answer is called every time the user clicks a button function recordAnswer(question,answer) { answers[question-1] = answer; } this is the final button which calculates the score function scoreQuiz() { var totalCorrect = 0; for(var count = 0; count<correctAnswers.length;count++) { if(answers[count]== correctAnswers[count]) totalCorrect++; } <!-- alert("You scored " + totalCorrect + " out of 12 correct!"); --> } another function is best i think. ive already made attemots at it and know i have to set the color using document.getElementById('question2').style.color = '#0000ff'; question2 being the p id i think if i take in the value part of (input type....) ill be able to compare it to the answers array. but im not quite sure how to do this. any helpers? maybe something like this document.getElementById("Answer1").style.color = '#0000ff'; using the id part of the (input type line) i think i got it actually. ill post my answer in a sec

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• Question about Multicaste Delegates?

  - by IbrarMumtaz

  I am going through some exam questions for the 70-536 exam and an actual question one developer postedon his blog has popped up in my exam questions. I cannot remember what his answer was .... but below is the question: You need to write a multicast delegate that accepts a DateTime arguement and returns a bool value. Which code segment should you use? A: public delegate int PowerDeviceOn(bool, DateTime) B: public delegate bool PowerDeviceOn(Object, EventArgs) C: public delegate void PowerDeviceOn(DateTime) D: public delegate bool PowerDeviceOn(DateTime) The answer is A. Can someone please explain why? As I already did some research into this question a while ago and so I was sure that it was C, obviously now looking back at the question its clear that I did not read properly. As i was sure I had seen the same one before so I jumped to the most obvious one. A varitation on this question: You need to write a multicast delegate that accepts a DateTime arguement. Which code segment should you use? A: public delegate int PowerDeviceOn(bool, DateTime) B: public delegate bool PowerDeviceOn(Object, EventArgs) C: public delegate void PowerDeviceOn(DateTime) D: public delegate bool PowerDeviceOn(DateTime) Now this is another variation on this quesiton, it still has the same bogus sample answers, as they still kind work in throwing the exam taker off. Notice how by simply keeping the sample asnwers the same and by removing a small portion of the question text, the answer is C and not A. The variation has no official answer as I just conjured it up using the exam question as a baseplate. The answer is definately C. This time round its easy to see why C is correctr but the very first question I have an inkiling but as you know an inkling is not good enough in passing exams. Thanks For Reading.

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• Problem with moving a winform using C#

  - by karthik

  My form doesn't have a title bar, so I am implementing the code to drag the entire form around the screen. I am using the below code to do it, which works fine. I have two panels in my form, PanelA and PanelB. During the startup I show PanelA where the dragging works perfectly. Later when the user clicks the button in PanelA, I need to make PanelA invisible and show PanelB However, the dragging does not work when PanelB is shown. What's the problem here? private void SerialPortScanner_MouseUp(object sender, MouseEventArgs e) { this.drag = false; } private void SerialPortScanner_MouseDown(object sender, MouseEventArgs e) { this.drag = true; this.start_point = new Point(e.X, e.Y); } private void SerialPortScanner_MouseMove(object sender, MouseEventArgs e) { if (this.drag) { Point p1 = new Point(e.X, e.Y); Point p2 = this.PointToScreen(p1); Point p3 = new Point(p2.X - this.start_point.X, p2.Y - this.start_point.Y); this.Location = p3; } }

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• [java] reading POST data from html form sent to serversocket.

  - by user32167

  i try to write simplest possible server app in Java, displaying html form with textarea input, which after submitting gives me possibility to parse xml typed in thet textarea. For now i build simple serversocket based server like that: import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.net.ServerSocket; import java.net.Socket; public class WebServer { protected void start() { ServerSocket s; String gets = ""; System.out.println("Start on port 80"); try { // create the main server socket s = new ServerSocket(80); } catch (Exception e) { System.out.println("Error: " + e); return; } System.out.println("Waiting for connection"); for (;;) { try { // wait for a connection Socket remote = s.accept(); // remote is now the connected socket System.out.println("Connection, sending data."); BufferedReader in = new BufferedReader(new InputStreamReader( remote.getInputStream())); PrintWriter out = new PrintWriter(remote.getOutputStream()); String str = "."; while (!str.equals("")) { str = in.readLine(); if (str.contains("GET")){ gets = str; break; } } out.println("HTTP/1.0 200 OK"); out.println("Content-Type: text/html"); out.println(""); // Send the HTML page String method = "get"; out.print("<html><form method="+method+">"); out.print("<textarea name=we></textarea></br>"); out.print("<input type=text name=a><input type=submit></form></html>"); out.println(gets); out.flush(); remote.close(); } catch (Exception e) { System.out.println("Error: " + e); } } } public static void main(String args[]) { WebServer ws = new WebServer(); ws.start(); } } After form (textarea with xml and one additional text input) is submitted in 'gets' String-type variable I have Urlencoded values of my variables (also displayed on the screen, it looks like that: gets = GET /?we=%3Cnetwork+ip_addr%3D%2210.0.0.0%2F8%22+save_ip%3D%22true%22%3E%0D%0A%3Csubnet+interf_used%3D%22200%22+name%3D%22lan1%22+%2F%3E%0D%0A%3Csubnet+interf_used%3D%22254%22+name%3D%22lan2%22+%2F%3E%0D%0A%3C%2Fnetwork%3E&a=fooBar HTTP/1.1 What can i do to change GET to POST method (if i simply change it in form and than put " if (str.contains("GET")){" it gives me string like gets = POST / HTTP/1.1 with no variables. And after that, how i can use xml from my textarea field (called 'we')?

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• How to run a program in python?

  - by Luka Mihaldinec

  this is my code. I'm trying to make a script which would run an .exe file from my computer. And this one isn't working :/ I think I'm using the wrong command.. I tried all the other commands like import os, os.startfile, but they won't work too. I think my code is just wrong :P loop=0 while loop==0: answer=raw_input("coded by: Narralol\n\n" "Pick a task:\n" "1) Start Minecraft.exe\n" "2) Start Minecraft_Server.jar\n" "3) Backup your server\n" "4) Copy the backup to your desktop\n" "5) Exit\n") if answer==1: execfile('D:\Games\Minecraft\Minecraft.exe') elif answer==2: execfile('D:\Games\Minecraft\Minecraft_server.jar') elif answer==5: loop=1

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• Using a named system semaphore as an event to trigger something in another process.

  - by jbraz

  I have a thread that runs all the time: private void DoSomeStuffThread() { Semaphore sem = new Semaphore(0, 3, "sem_DoStuff"); sem.WaitOne(); do { //do some stuff } while (sem.WaitOne()); } I want to be able to only execute the stuff in the do block when something from another process says so. I am trying to use the "sem_DoStuff" named system semaphore to allow this to happen. The code that gets executed in my other process: public string DoStuff() { try { Semaphore sem = Semaphore.OpenExisting("sem_DoStuff"); sem.Release(); } catch (Exception e) { return e.Message; } } So, the idea is that when DoStuff gets called, the semaphore gets released, and DoSomeStuffThread stops waiting, executes what is in the do block, and then waits for DoStuff again before it is getting called. But, when DoStuff gets called, I'm getting the exception 'No handle of the given name exists.'. What am I doing wrong? Thanks.

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• where to store temporary data in MVC 2.0 project

  - by StuffHappens

  Hello! I'm starting to learn MVC 2.0 and I'm trying to create a site with a quiz: user is asked a question and given several options of answer. If he chooses the right answer he gets some points, if he doesn't, he looses them. I tried to do this the following way public class HomeController : Controller { private ITaskGenerator taskGenerator = new TaskGenerator(); private string correctAnswer; public ActionResult Index() { var task = taskGenerator .GenerateTask(); ViewData["Task"] = task.Task; ViewData["Options"] = task.Options; correctAnswer= task.CorrectAnswer; return View(); } public ActionResult Answer(string id) { if (id == correctAnswer) return View("Correct") return View("Incorrect"); } } But I have a problem: when user answers the cotroller class is recreated and I loose correct answer. So what is the best place to store correct answer? Should I create a static class for this purpose? Thanks for your help!

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• Error in Android's clearCheck() for RadioGroup?

  - by Manuel R. Ciosici

  I'm having an issue with RadioGroup's clearChecked(). I'm displaying a multiple choice question to the user and after the user selects an answer I check the answer, give him some feedback and then move to the next question. In the process of moving to the next question I clearCheck on the RadioGroup. Can anyone explain to me why the onCheckedChanged method is called 3 times? Once when the change actually occurs (with the user changes), once when I clearCheck(with -1 as the selected id) and once in between (with the user changes again)? As far as I could tell the second trigger is provoked by clearCheck. Code below: private void checkAnswer(RadioGroup group, int checkedId){ // this makes sure it doesn't blow up when the check is cleared // also we don't check the answer when there is no answer if (checkedId == -1) return; if (group.getCheckedRadioButtonId() == -1) return; // check if correct answer if (checkedId == validAnswerId){ score++; this.giveFeedBack(feedBackType.GOOD); } else { this.giveFeedBack(feedBackType.BAD); } // allow for user to see feedback and move to next question h.postDelayed(this, 800); } private void changeToQuestion(int questionNumber){ if (questionNumber >= this.questionSet.size()){ // means we are past the question set // we're going to the score activity this.goToScoreActivity(); return; } //clearing the check gr.clearCheck(); // give change the feedback back to question imgFeedback.setImageResource(R.drawable.question_mark); //OTHER CODE HERE } and the run method looks like this public void run() { questionNumber++; changeToQuestion(questionNumber); }

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• Send a variable on the heap to another thread

  - by user1201889

  I have a strange problem in C++. An address of a Boolean gets "destroyed" but it doesn't get touched. I know that there are beater way's to accomplish what I try to do, but I want to know what I do wrong. I have a main class; this main class contains a vector of another class. There is a strange problem when a new instance gets created of this object. This is how my code works: There will start a thread when the constructor gets called of the “2nd”object. This thread gets as Parameter a struct. This is the struct: struct KeyPressData { vector<bool> *AutoPressStatus; vector<int> *AutoPressTime; bool * Destroy; bool * Ready; }; The struct gets filled in the constructor: MultiBoxClient::MultiBoxClient() { //init data DestroyThread = new bool; ReadyThread = new bool; AutoThreadData = new KeyPressData; //Reseting data *DestroyThread = false; *ReadyThread = false; //KeyPressData configurating AutoThreadData->AutoPressStatus = &AutoPressStatus; AutoThreadData->AutoPressTime = &AutoPressTime; AutoThreadData->Destroy = DestroyThread; AutoThreadData->Ready = ReadyThread; //Start the keypress thread CreateThread(NULL,NULL,(LPTHREAD_START_ROUTINE)AutoKeyThread,AutoThreadData,NULL,NULL); } As long as the constructor is running will the program run fine. But when the constructor closes the address of the “AutoThreadData-Destroy” will get corrupted. The program will crash when I call the value of the pointer. void WINAPI AutoKeyThread(void * ThreadData) { KeyPressData * AutoThreadData = (KeyPressData*)ThreadData; while(true) { if(*AutoThreadData->Destroy == true) //CRASH { *AutoThreadData->Ready = true; return; } Sleep(100); } } What did I test: I logged the address of the AutoThreadData and the AutoThreadData-Destroy when the constrcutor is running and clossed; the AutoThreadData address is equal to AutoThreadData when the constructor is closed. So there is no problem here. The address of AutoThreadData-Destroy gets destroyed when the constructor is closed. But how can this happen? The Boolean is on the heap and the KeyPressData struct (AutoThreadData) is on the heap. Destroy before: 00A85328 Destroy after: FEEEFEEE Can someone maby explain why this crash? I know that I can send a pointer to my class to the thread. But I want to know what goes wrong here. That way I can learn from my mistakes. Could someone help me with this problem? Thanks!

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• Should constant contructor aguments be passed by reference or value?

  - by Mike

  When const values are passed to an object construct should they be passed by reference or value? If you pass by value and the arguments are immediately fed to initializes are two copies being made? Is this something that the compiler will automatically take care of. I have noticed that all textbook examples of constructors and intitializers pass by value but this seems inefficient to me. class Point { public: int x; int y; Point(const int _x, const int _y) : x(_x), y(_y) {} }; int main() { const int a = 1, b = 2; Point p(a,b); Point q(3,5); cout << p.x << "," << p.y << endl; cout << q.x << "," << q.y << endl; } vs. class Point { public: int x; int y; Point(const int& _x, const int& _y) : x(_x), y(_y) {} }; Both compile and do the same thing but which is correct?

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• Questions About SQl BulkCopy

  - by chobo2

  Hi I am wondering how can do a mass insert and bulk copy at the same time? I have 2 tables that should be affect by the bulk copy as they both depend on each other. So I want it that if while inserting table 1 a record dies it gets rolled back and table 2 never gets updated. Also if table 1 inserts good and table 2 an update fails table 1 gets rolled back. Can this be done with bulk copy?

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• copy - paste in javascript

  - by Dumbledore of flash

  I have this code <input name="mpan[]" value="" maxlength="2" size="2"> <input name="mpan[]" value="" maxlength="2" size="3"> <input name="mpan[]" value="" maxlength="2" size="3"> <input name="mpan[]" value="" maxlength="2" size="12"> What I have to do is I am provided with a large key for example 0380112129021. When I do Ctrl+C on that key and select any box and press Ctrl+V, the number automatically get pasted in different box, for example: first input box gets 03, next gets 801, next gets 112 and rest gets pasted on last one 129021.how do i achive this from javascript

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• Problem with mathamatical calculation in JQUERY

  - by Param-Ganak

  Hello friends! I have two text boxes. I enter number in one textbox. I write following JQUERY for that textbox which get executed when the focus out from first text box. The JQUERY code takes the entered value from first text box and multiply it by a decimal number 34.95 and display the answer in second text box. The code is doing the calculation little bit ok because when I enter the value 1000 in first text box it gives answer 34950 in second textbox and when I enter the value 100 in first text box it gives answer 3495.0000000000005 in second text box. **Please any one tell me what is the problem. is problem is in my JQUERY code. I also want to show the answer always in decimal point. Answer should always dislply only two digits after decimal point. so How to achieve this too.** This is my JQUERY code. $("#id_pvalue").focusout(function() { q=$("#id_pvalue").val(); var ans=q*34.95; $("#id_tvalue").val(ans); }); Please guide me friends! Thank You!

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• What's Difference between IsCallback and IsInAsyncPostBack

  - by user284523

  I can't find any answer yet on google maybe it's a stupid question :)

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• The shell dotfile cookbook

  - by Jason Baker

  I constantly hear from other people about how much of the stuff they've used to customize their *nix setup they've shamelessly stolen from other people. So in that spirit, I'd like to start a place to share that stuff here on SO. Here are the rules: DON'T POST YOUR ENTIRE DOTFILE. Instead, just show us the cool stuff. One recipe per answer You may, however, post multiple versions of your recipe in the same answer. For example, you may post a version that works for bash, a version that works for zsh, and a version that works for csh in the same answer. State what shells you know your recipe will work with in the answer. Let's build this cookbook as a team. If you find out that an answer works with other shells other than the one the author posted, edit it in. If you like an idea and rewrite it to work with another shell, edit the modified version in to the original post. Give credit where credit is due. If you got your idea from someone else, give them credit if possible. And for those of you (justifiably) asking "Why do we need another one of these threads?": Most of what I've seen is along the lines of "post your entire dotfile." Personally, I don't want to try to parse through a person's entire dotfile to figure out what I want. I just want to know about all the cool parts of it. It's helpful to have a single dotfile thread. I think most of the stuff that works in bash will work in zsh and it may be adapted to work with csh fairly easily.

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• When to use `Response.Flush`? Do I need to call it every time before I call `Response.End`?

  - by Ismail S

  Question is just that simple. Nothing more than as mentioned in title?

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• Dynamic form in PHP not processing correctly

  - by user1497265

  My last question regarding this suggested I incorporate AJAX with PHP. However, I really wanted to try PHP exclusively for this project, and I seem to have made it about 95% there. I just need help on this one issue. Here's a quick background. My project requires a dynamic form to be populated with a max limit of 10 questions. Each form contains one question, one question number, and a text field. Students would go on and answer the questions. This is all driven by a database table (obviously), and when a question gets answered correctly, it will close and the next question in line will appear. There will always be 10 questions on the page. Here's how the coding looks, and it works perfectly. <? $rt = mysql_query("SELECT * FROM The_Questions WHERE Status='Open' ORDER BY 'Number' LIMIT 10"); while ($row = mysql_fetch_array($rt)) { $number=$row[0]; $category = $row[1]; $question=$row[2]; $points=$row[4]; $_SESSION['number'] = $number; ?> <form action="processor.php" method="post" class="qForm"> <div class="questionCell"> <div class="question"><? echo $number; echo $question ?></div> <div class="answer">Answer: <input class="inputField" name="q1" type="text" size="40" maxlength="40" /> <input name="HHQuestion" value="Submit" type="submit" /></div> </div> </form> <? } ?> The questions appear as they should, in the correct order, and the correct limit. Everything seems to be looking fine until a question gets answered and gets processed through the processor.php action. First here's the code to the processor.php file: <?php session_start(); if(isset($_POST["HHQuestion"])){ $dbhost = 'localhost'; $dbname = 'localhost'; $dbuser = 'localhost'; $dbpass = 'localhost'; $conn = mysql_connect($dbhost, $dbuser, $dbpass); mysql_select_db($dbname, $conn); { $number1 = $_SESSION['number']; $answer=$_POST['q1']; $sql="SELECT * FROM The_Questions WHERE Number='$number1'"; $result=mysql_query($sql); $row=mysql_fetch_array($result); $question = $row[2]; echo $question .'<br>'; echo $number1.'<br>'; echo $answer; } } ?> This is NOT live yet, and for testing purposes I'm echoing the question, question number, and answer (as you can see). What's happening is that the $question and $number1 displays the last question in the array (the $answer displays correctly, meaning it displays whatever was written in the dynamic form). Can anyone tell me why that is? If I change the LIMIT number to 20, the processor.php action will display the 20th question and number, even if I was answering question 8, for example, in the dynamic form. Again, the dynamic forms are being displayed correctly, and are numbered correctly. For some unknown reason to me, the action - processor.php - is grabbing the last question in the array. Any ideas on what I'm doing wrong? I'm hoping it's a simple code change that I'm overlooking. Thanks in advance guys!

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• Freemarker rendering differently on IE8

  - by scphantm

  we have a template that uses this for the record line <input type="${inputType}" name="${variableName}.code" id="${variable}.${vnum}.${answer.code}" class="checkbox" value="${answer.code}" [#nested/] [#if (answer.textLength > 0) && scripting]onchange="showOtherBox( this, '${variable}.[#if descriptionHack]${variableNumber}[#else]${vnum}[/#if].${answer.code}.description' )"[/#if] [#if showValues && (existing == answer.code)]checked="checked"[/#if]/> On IE8 it renders as this <span class="field"> <INPUT id=responses.8.L class=checkbox value=L type=checkbox name="responses['8'].answers['L'].code"> <LABEL for=responses.8.L>Award(s) for special accomplishment or performance related to activity participation (please list)</LABEL> <TEXTAREA id=responses.8.L.description class=" visible" rows=4 cols=60 name="responses['8'].answers['L'].description"></TEXTAREA> </span> and on every other browser we tried, it renders as this <span class="field"> <input type="checkbox" name="responses['8'].answers['L'].code" id="responses.8.L" class="checkbox" value="L" onchange="showOtherBox( this, 'responses.8.L.description' )"> <label for="responses.8.L">Award(s) for special accomplishment or performance related to activity participation (please list)</label> <textarea rows="4" cols="60" name="responses['8'].answers['L'].description" id="responses.8.L.description" class="visible" classname="visible"></textarea> </span> The difference being that in the FTL script, the if statement [#if (answer.textLength > 0) && scripting] is true for everything except IE. In IE8 its false for some reason and therefore it does not put the OnChange javascript event on the input tag. Has anyone seen anything like this before? we are using Freemarker 2.3.9 Update, it kinda works if i turn compatibility mode on for IE8. but not exactly. when i do that, the onchange event doesn't fire until the check box loses focus. which is very different than everything else. Is there a quick way to fix this without too much trouble? i suppose i could put something in that says if ie8, insert onclick instead of onchange. that may work, but i would need an authorization from the client to fix it like that.

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