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  • getting Ceil() of Decimal in python?

    - by Gunjan
    Is there a way to get the ceil of a high precision Decimal in python? >>> import decimal; >>> decimal.Decimal(800000000000000000001)/100000000000000000000 Decimal('8.00000000000000000001') >>> math.ceil(decimal.Decimal(800000000000000000001)/100000000000000000000) 8.0 math rounds the value and returns non precise value

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  • How do you implement position-sensitive zooming inside a JScrollPane?

    - by tucuxi
    I am trying to implement position-sensitive zooming inside a JScrollPane. The JScrollPane contains a component with a customized 'paint' that will draw itself inside whatever space it is allocated - so zooming is as easy as using a MouseWheelListener that resizes the inner component as required. But I also want zooming into (or out of) a point to keep that point as central as possible within the resulting zoomed-in (or -out) view (this is what I refer to as 'position-sensitive' zooming), similar to how zooming works in google maps. I am sure this has been done many times before - does anybody know the "right" way to do it under Java Swing?. Would it be better to play with Graphic2D's transformations instead of using JScrollPanes? Sample code follows: package test; import java.awt.*; import java.awt.event.*; import java.awt.geom.*; import javax.swing.*; public class FPanel extends javax.swing.JPanel { private Dimension preferredSize = new Dimension(400, 400); private Rectangle2D[] rects = new Rectangle2D[50]; public static void main(String[] args) { JFrame jf = new JFrame("test"); jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); jf.setSize(400, 400); jf.add(new JScrollPane(new FPanel())); jf.setVisible(true); } public FPanel() { // generate rectangles with pseudo-random coords for (int i=0; i<rects.length; i++) { rects[i] = new Rectangle2D.Double( Math.random()*.8, Math.random()*.8, Math.random()*.2, Math.random()*.2); } // mouse listener to detect scrollwheel events addMouseWheelListener(new MouseWheelListener() { public void mouseWheelMoved(MouseWheelEvent e) { updatePreferredSize(e.getWheelRotation(), e.getPoint()); } }); } private void updatePreferredSize(int n, Point p) { double d = (double) n * 1.08; d = (n > 0) ? 1 / d : -d; int w = (int) (getWidth() * d); int h = (int) (getHeight() * d); preferredSize.setSize(w, h); getParent().doLayout(); // Question: how do I keep 'p' centered in the resulting view? } public Dimension getPreferredSize() { return preferredSize; } private Rectangle2D r = new Rectangle2D.Float(); public void paint(Graphics g) { super.paint(g); g.setColor(Color.red); int w = getWidth(); int h = getHeight(); for (Rectangle2D rect : rects) { r.setRect(rect.getX() * w, rect.getY() * h, rect.getWidth() * w, rect.getHeight() * h); ((Graphics2D)g).draw(r); } } }

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  • Flip clock showing time issue (animations invovled)

    - by Hwang
    I'm creating a flip clock (clock where you always see in airport), but I can't seems to get the time to show at the correct timing. After the flip, then will see the number changing. But I want it to change before it flips. Currently I'm not sure whether is the animation problem, or isit I have to do something else on the script. I've uploaded the FLA so that you could have a look on how I set up the flipping animation. http://www.mediafire.com/?nzmymjgtntz Below is the AS3 code: package { import flash.display.MovieClip; import flash.events.TimerEvent; import flash.utils.Timer; public class flipClock extends MovieClip { private var clock:clockMC=new clockMC(); //seconds private var secTop1=clock.second.top1.digit; private var secTop2=clock.second.top2.digit; private var secBot1=clock.second.bot1.digit; private var secBot2=clock.second.bot2.digit; private var seconds:Number; private var minutes:Number; private var hours:Number; private var days:Number; public function flipClock():void { decrease(); addChild(clock); } private function decrease():void { var countdownTimer:Timer=new Timer(1000); //Adding an event listener to the timer object countdownTimer.addEventListener(TimerEvent.TIMER,updateTime); //Initializing timer object countdownTimer.start(); } private function updateTime(event:TimerEvent):void { decreasTimerFunction(); updateSecond(); //updateMinute(); } private function updateSecond():void { clock.second.play(); secTop1.text=num2; secTop2.text=num1; if (num1<10) { num1="0"+num1; } if (num2<10) { num2="0"+num2; } if (num1==60) { num1=0; } if (num2==60) { num2=0; } secTop1.text=num1; secTop2.text=num2; //secBot1.text=num1; //secBot2.text=num2; } private function decreasTimerFunction():void { //Create a date object for Christmas Morning var endTime:Date=new Date(2010,4,26,0,0,0,0); //Current date object var now:Date=new Date(); // Set the difference between the two date and times in milliseconds var timeDiff:Number=endTime.getTime()-now.getTime(); seconds=Math.floor(timeDiff/1000); minutes=Math.floor(seconds/60); hours=Math.floor(minutes/60); days=Math.floor(hours/24); // Set the remainder of the division vars above hours%=24; minutes%=60; seconds%=60; } } }

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  • Pick random property from a Javascript object

    - by Bemmu
    Suppose you have a Javascript object like {'cat':'meow','dog':'woof' ...} Is there a more concise way to pick a random property from the object than this long winded way I came up with: function pickRandomProperty(obj) { var prop, len = 0, randomPos, pos = 0; for (prop in obj) { if (obj.hasOwnProperty(prop)) { len += 1; } } randomPos = Math.floor(Math.random() * len); for (prop in obj) { if (obj.hasOwnProperty(prop)) { if (pos === randomPos) { return prop; } pos += 1; } } }

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  • Draggable Clones Jquery?

    - by jbatson
    Any ideas on how to make the clones draggable? $("#draggable").draggable({ helper: 'clone', cursor: 'pointer', }); $("#snaptarget").droppable({ drop: function(event, ui) { var randomnumber = Math.floor(Math.random()*1000000); var newId = '#draggable_'+randomnumber; $(ui.helper).clone(true).removeAttr('id').attr('id',newId).appendTo('#snaptarget'); $(newId).draggable(); } }); $(newId).draggable(); does not work.

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  • Mathematical problem

    - by coolboycsaba
    I have the following function: function getLevel(points) { var level = -1 + Math.sqrt(4 + points/20); // Round down to nearest level return Math.floor(level); } The above function calculates the level of a player based on their points, my problem is that I need a function like this to calculate the points needed for a given level.

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  • Converting HTML TAG Object to JSON Object

    - by cooldude
    Hi, I want to convert the html tag objects to json object in the javascript in order to send them to the server from the javascript. As i have to save these objects at the Ruby on Rails server. These HTML objects is the canvas tag object and the graphics objects created using CAKE API. I have used the stringify function but it is not working. Here is my code: var CAKECanvas = new Canvas(document.body, 1000,1000); var canvas=CAKECanvas.canvas; var text=document.createElement('textarea'); text.id="text"; text.rows="100"; text.cols="200"; document.body.appendChild(text); canvas.style.borderStyle="solid"; canvas.style.borderColor="black"; var rect= new Circle(); rect.radius=100; rect.centered=true; rect.cx=Math.random() * 500; rect.cy= Math.random() * 300; rect.stroke= false; rect.fill= "red"; rect.xDir = Math.random() > 0.5?1:-1; rect.yDir = Math.random() > 0.5?1:-1; var obj=new Object; var count = 0,k; for (k in rect) { if (rect.hasOwnProperty(k)) { count++; obj[k]=rect[k]; } } alert(count); rect.addFrameListener(function(t, dt) { this.cx += this.xDir * 50 * dt/1000; this.cy += this.yDir * 50 * dt/1000; if (this.cx > 550) { this.xDir = -1; } if (this.cx < 50) { this.xDir = 1; } if (this.cy > 350) { this.yDir = -1; } if (this.cy < 50) { this.yDir = 1; } } ); CAKECanvas.append(rect); var carAsJSON = JSON.stringify(obj); /////////////////ERROR

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  • any faster alternative??

    - by kaushik
    cost=0 for i in range(12): cost=cost+math.pow(float(float(q[i])-float(w[i])),2) cost=(math.sqrt(cost)) Any faster alternative to this? i am need to improve my entire code so trying to improve each statements performance. thanking u

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  • How to move a kinect skeleton to another position

    - by Ewerton
    I am working on a extension method to move one skeleton to a desired position in the kinect field os view. My code receives a skeleton to be moved and the destiny position, i calculate the distance between the received skeleton hip center and the destiny position to find how much to move, then a iterate in the joint applying this factor. My code, actualy looks like this. public static Skeleton MoveTo(this Skeleton skToBeMoved, Vector4 destiny) { Joint newJoint = new Joint(); ///Based on the HipCenter (i dont know if it is reliable, seems it is.) float howMuchMoveToX = Math.Abs(skToBeMoved.Joints[JointType.HipCenter].Position.X - destiny.X); float howMuchMoveToY = Math.Abs(skToBeMoved.Joints[JointType.HipCenter].Position.Y - destiny.Y); float howMuchMoveToZ = Math.Abs(skToBeMoved.Joints[JointType.HipCenter].Position.Z - destiny.Z); float howMuchToMultiply = 1; // Iterate in the 20 Joints foreach (JointType item in Enum.GetValues(typeof(JointType))) { newJoint = skToBeMoved.Joints[item]; // This adjust, try to keeps the skToBeMoved in the desired position if (newJoint.Position.X < 0) howMuchToMultiply = 1; // if the point is in a negative position, carry it to a "more positive" position else howMuchToMultiply = -1; // if the point is in a positive position, carry it to a "more negative" position // applying the new values to the joint SkeletonPoint pos = new SkeletonPoint() { X = newJoint.Position.X + (howMuchMoveToX * howMuchToMultiply), Y = newJoint.Position.Y, // * (float)whatToMultiplyY, Z = newJoint.Position.Z, // * (float)whatToMultiplyZ }; newJoint.Position = pos; skToBeMoved.Joints[item] = newJoint; //if (skToBeMoved.Joints[JointType.HipCenter].Position.X < 0) //{ // if (item == JointType.HandLeft) // { // if (skToBeMoved.Joints[item].Position.X > 0) // { // } // } //} } return skToBeMoved; } Actualy, only X position is considered. Now, THE PROBLEM: If i stand in a negative position, and move my hand to a positive position, a have a strange behavior, look this image To reproduce this behaviour you could use this code using (SkeletonFrame frame = e.OpenSkeletonFrame()) { if (frame == null) return new Skeleton(); if (skeletons == null || skeletons.Length != frame.SkeletonArrayLength) { skeletons = new Skeleton[frame.SkeletonArrayLength]; } frame.CopySkeletonDataTo(skeletons); Skeleton skeletonToTest = skeletons.Where(s => s.TrackingState == SkeletonTrackingState.Tracked).FirstOrDefault(); Vector4 newPosition = new Vector4(); newPosition.X = -0.03412333f; newPosition.Y = 0.0407479f; newPosition.Z = 1.927342f; newPosition.W = 0; // ignored skeletonToTest.MoveTo(newPosition); } I know, this is simple math, but i cant figure it out why this is happen. Any help will be apreciated.

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  • Can some explain why this wont draw a circle? It is drawing roughly 3/4?

    - by Brandon Shockley
    If we want to use n small lines to outline our circle then we can just divide both the circumference and 360 degrees by n (i.e , (2*pi*r)/n and 360/n). Did I not do that? import turtle, math window = turtle.Screen() window.bgcolor('blue') body = turtle.Turtle() body.pencolor('black') body.fillcolor('white') body.speed(10) body.width(3) body.hideturtle() body.up() body.goto(0, 200) lines = 40 toprad = 40 top_circum = 2 * math.pi * toprad sol = top_circum / lines circle = 360 / lines for stops in range(lines): body.pendown() body.left(sol) body.forward(circle) window.exitonclick()

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  • How do I get javascript-generated image maps to work with internet explorer?

    - by schwerwolf
    I'm using javascript to generate a high resolution grid for an image that I generated on a web server. The high-resolution grid is composed of a 'map' element with hundreds of 'area' child elements. Each 'area' element has onmouseover attribute that causes the display of a popup box. After assigning the map to the img (via the usemap attribute), Internet explorer ignores the 'onmouseover' attribute of the area elements that I added via javascript. The behavior is not caused by syntactical variations between IE and other browsers. A static map behaves correctly. Only the elements that I add dynamically to an existing image map fail to fire their corresponding mouse-over events. How can I get IE to fire the mouse-over event for the added 'area' elements? function generate_image_map ( img ) { var tile_width = 8; var tile_height = 10; var plotarea_left = 40; var plotarea_top = 45; var column_count = 100; var row_count = 120; var img_id = YAHOO.util.Dom.getAttribute(img, "id"); var img_map_id = YAHOO.util.Dom.getAttribute(img, "usemap"); var original_map = YAHOO.util.Selector.query(img_map_id)[0]; var area_nodes = YAHOO.util.Selector.query("area", original_map); var last_node = area_nodes[area_nodes.length - 1]; for (var y = 0; y < row_count; y++) { var top = Math.round(plotarea_top + (y * tile_height)); var bottom = Math.round(plotarea_top + (y * tile_height) + tile_height); for (var x = 0; x < column_count; x++) { var left = Math.round(plotarea_left + (x * tile_width)); var right = Math.round(plotarea_left + (x * tile_width) + tile_width); var area = document.createElement("area"); YAHOO.util.Dom.setAttribute(area, "shape", "rect"); YAHOO.util.Dom.setAttribute(area, "onmouseover", "alert('This does not appear in IE')" ); var coords = [ left, top, right, bottom ]; YAHOO.util.Dom.setAttribute(area, "coords", coords.join(",")); YAHOO.util.Dom.insertBefore(area, last_node); } } }

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  • NZEC Run time Error Occured

    - by madan
    import math def gen_caller(a): for z in a: x,y=z if x==1: x=2 if y>=x and y-x<=100000: for i in range(x,y+1): flag=0 for j in range(2,(long(math.sqrt(i))+1)): if(i%j==0): flag=1 break if flag==0: print i print "" n=(int(raw_input())) gen_caller([[(long(raw_input())) for j in range(0,2)] for i in range(0,n) if n<=10])

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  • Project Euler #9 (Pythagorean triplets) in Clojure

    - by dbyrne
    My answer to this problem feels too much like these solutions in C. Does anyone have any advice to make this more lispy? (use 'clojure.test) (:import 'java.lang.Math) (with-test (defn find-triplet-product ([target] (find-triplet-product 1 1 target)) ([a b target] (let [c (Math/sqrt (+ (* a a) (* b b)))] (let [sum (+ a b c)] (cond (> a target) "ERROR" (= sum target) (reduce * (list a b (int c))) (> sum target) (recur (inc a) 1 target) (< sum target) (recur a (inc b) target)))))) (is (= (find-triplet-product 1000) 31875000)))

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  • power function in blackberry

    - by Rahul Varma
    Hi, I desperately need a solution for this... I m using Blackberry JDE 5.0. In documentation it shows net.rim.device.api.util.MathUtilities.pow ( double double ) is added form 4.6. But i couldnt get pow function when i use Math.pow(). I need to get this value...float fSecondFactor=(float) (Math.pow(1+fRatePerMonth,fNumberofMonths)-1); Can anyone tell me how to achieve this...Plzz....

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  • Fixing Floating Point Error

    - by HannesNZ
    I have some code that gets the leading value (non-zero) of a Double using normal math instead of String Math... For Example: 0.020 would return 2 3.12 would return 3 1000 should return 1 The code I have at the moment is: LeadingValue := Trunc(ResultValue * Power(10, -(Floor(Log10(ResultValue))))) However when ResultValue is 1000 then LeadingValue ends up as 0. What can I do to fix this problem I'm assuming is being caused by floating point errors? Thanks.

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  • Create a timer countdown using hours, minutes & seconds from a future date

    - by Tommy Coffee
    I am using some code I found on the internet that creates a countdown from a certain date. I am trying to edit the code so that it only gives me a countdown from an hour, minute, and second that I specify from a future date. I cannot just have code that counts down from a specified time, I need it to countdown to a specified date in the future. This is important so that if the browser is refreshed the countdown doesn't start over but continues where left off. I will be using cookies so the browser remembers what future date was specified when it was first run. Here is the HTML: <form name="count"> <input type="text" size="69" name="count2"> </form> And here is the javascript: window.onload = function() { //change the text below to reflect your own, var montharray=new Array("Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec") function countdown(yr,m,d){ var theyear=yr; var themonth=m; var theday=d var today=new Date() var todayy=today.getYear() if (todayy < 1000) todayy+=1900; var todaym=today.getMonth() var todayd=today.getDate() var todayh=today.getHours() var todaymin=today.getMinutes() var todaysec=today.getSeconds() var todaystring=montharray[todaym]+" "+todayd+", "+todayy+" "+todayh+":"+todaymin+":"+todaysec futurestring=montharray[m-1]+" "+d+", "+yr var dd=Date.parse(futurestring)-Date.parse(todaystring) var dday=Math.floor(dd/(60*60*1000*24)*1) var dhour=Math.floor((dd%(60*60*1000*24))/(60*60*1000)*1) var dmin=Math.floor(((dd%(60*60*1000*24))%(60*60*1000))/(60*1000)*1) var dsec=Math.floor((((dd%(60*60*1000*24))%(60*60*1000))%(60*1000))/1000*1) if(dday==0&&dhour==0&&dmin==0&&dsec==1){ document.forms.count.count2.value=current return } else document.forms.count.count2.value= dhour+":"+dmin+":"+dsec; setTimeout(function() {countdown(theyear,themonth,theday)},1000) } //enter the count down date using the format year/month/day countdown(2012,12,25) } I am sure there is superfluous code above since I only need an hour, minute, and second that I would like to pass to the countdown() function. The year, month and day is unimportant but as I said this is code I am trying to edit which I found on the internet. Any help would be very appreciated. Thank you!

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  • why this sql code dont work

    - by magy
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=windows-1256"> <title>??? ?????? ???? ????</title> </head> <body> <table width="100%" border="1"> <tr> <td>name</td> <td>number</td> <td>math</td> <td>arab</td> <td>history</td> <td>geo</td> </tr> <?php require_once "conf.php"; $sql2=("SELECT * FROM student WHERE snum = $ss"); $rs2 = mysql_query($sql2) or die(mysql_error()); $num = mysql_num_rows($rs2); $ss= $_POST["ss"]; if (empty($ss)) { echo "please write your search words";} else if ($num < 1 ) { echo "not found any like "; }else { $sql=("SELECT * FROM student WHERE snum = $ss "); $rs = mysql_query($sql) or die(mysql_error()); while($data=mysql_fetch_array($rs)){ $name=$data["sname"]; $number=$data["snum"]; $math=$data["math"]; $arab=$data["arab"]; $history=$data["history"]; $geo=$data["geo"]; echo" <tr> <td>$name</td> <td>$number</td> <td>$math</td> <td>$arab</td> <td>$history</td> <td>$geo</td> </tr> "; } }; ?> </table> </body> </html>

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  • is it possible to get the duration of a streaming mp3 in Flash

    - by dubbeat
    Hi, I'm wondering if it is at all possible to get the total duration of an mp3 being streamed in flash? At the moment I'm using the following code to estimate the lenght but it is always inaccurate var loadTime:Number=_track.bytesLoaded / _track.bytesTotal; var loadPercent:uint=Math.round(100 * loadTime); estimatedLength=Math.ceil(_track.length / (loadTime));

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  • Why can't c# calculate exact values of mathematical functions

    - by Timo Willemsen
    Hey everyone, Why can't c# do any exact operations. Math.Pow(Math.Sqrt(2.0),2) == 2.0000000000000004 I know how doubles work, I know where the rounding error is from, I know that it's almost the correct value, and I know that you can't store infinite numbers in a finite double. But why isn't there a way that c# can calculate it exactly, while my calculator can do it. Edit It's not about my calculator, I was just giving an example: http://www.wolframalpha.com/input/?i=Sqrt%282.000000000000000000000000000000000000000000000000000000000000000000000000000000001%29%5E2 Cheers

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  • JQuery Ajax Updating MySQL Database, But Not Running Success Function

    - by myrmidon16
    I am currently using the JQuery ajax function to call an exterior PHP file, in which I select and add data in a database. Once this is done, I run a success function in JavaScript. What's weird is that the database is updating successfully when ajax is called, however the success function is not running. Here is my code: <!DOCTYPE html> <head> <script type="text/javascript" src="jquery-1.6.4.js"></script> </head> <body> <div onclick="addtask();" style="width:400px; height:200px; background:#000000;"></div> <script> function addtask() { var tid = (Math.floor(Math.random() * 3)) + 1; var tsk = (Math.floor(Math.random() * 10)) + 1; if(tsk !== 1) { $.ajax({ type: "POST", url: "taskcheck.php", dataType: "json", data: {taskid:tid}, success: function(task) {alert(task.name);} }); } } </script> </body> </html> And the PHP file: session_start(); $connect = mysql_connect('x', 'x', 'x') or die('Not Connecting'); mysql_select_db('x') or die ('No Database Selected'); $task = $_REQUEST['taskid']; $uid = $_SESSION['user_id']; $q = "SELECT task_id, taskname FROM tasks WHERE task_id=" .$task. " LIMIT 1"; $gettask = mysql_fetch_assoc(mysql_query($q)); $q = "INSERT INTO user_tasks (ut_id, user_id, task_id, taskstatus, taskactive) VALUES (null, " .$uid. ", '{$gettask['task_id']}', 0, 1)"; $puttask = mysql_fetch_assoc(mysql_query($q)); $json = array( "name" => $gettask['taskname'] ); $output = json_encode($json); echo $output; Let me know if you have any questions or comments, thanks.

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  • Question on gcc compiler commands

    - by user271916
    I had to compile a small little C program using the following; gcc sine.c -o sine -lm I needed the "-lm" because the program included the math.h. In looking this up under compiler commands man shows it a either -llibrary or -l library. I could not find any information on what other libraries. Apparently -lm is needed for math.h what other library commands might be needed. Thanks

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  • Faster code with another compiler

    - by Andrei
    I'm using the standard gcc compiler in math software development with C-language. I don't know that much about compilers or compiler options, and I was just wondering, is it possible to make faster executables using another compiler or choosing better options? The default Makefile sets options -ffast-math and -O3 and I think both of them have some impact in the overall calculation time. My software is using memory quite extensively, so I imagine some options related to memory management might do the trick? Any ideas?

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  • Javascript question

    - by Craig
    I am supposed to make this simple program. It produces a multiplication problem, and when the user types the correct answer, it is supposed to produce another question. Instead it goes into an infinite loop and never stops, the answer field and the button go away. Also, I am supposed to make the comment about the users answer, one of 4 different sayings. Without using Arrays how would I do that? My professor is no help, really getting aggravated as I have no where else to turn. <html> <title>HW 9.27 and 9.28</title> <head> <script type="text/javascript"> var number1; var number2; var answer3; var answer2; function problem() { number1 = Math.floor(1 + Math.random() * 9); number2 = Math.floor(1 + Math.random() * 9); document.writeln("How much is " + number1 + " times " + number2 + " ?"); answer2 = (number1 * number2); } function answer1() { var statusDiv = document.getElementById("status"); answer3 = document.getElementById("answer").value; if (answer3 != answer2) statusDiv.innerHTML = "No. Please try again"; else if (answer3 == answer2) { statusDiv.innerHTML = "Very good!"; problem(); } } problem(); </script> </head> <body> <form> <input id="answer" type="text" /> <input type="button" value="Solve!" onclick="answer1()" /> <div id ="status">Click the Solve button to Solve the problem</div> </form> </body> </html>

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  • jQuery animate slidding background image using mouse position wont stop... just keeps going

    - by simian
    I have a neat little jQuery script I am working on. Goal: parent div with overflow hidden holds a larger div with image. When I move the mouse to the left or right of the parent div, the div with image changes margin-left to move left or right. Problem is... if I move the mouse out of the parent div (left or right), the image keeps going. I need the image to stop when the mouse is not on the inside left or right edge of the parent div. Any ideas? <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <script type="text/javascript" src="http://code.jquery.com/jquery-latest.js"></script> <script type="text/javascript"> //<![CDATA[ jQuery.noConflict (); jQuery(document).ready(function(){ jQuery('#container').mousemove(function(e){ var parentWidth = jQuery('#container').width(); var parentWidthLeft = Math.round(.1 * jQuery('#container').width()); var parentWidthRight = Math.round(jQuery('#container').width() - parentWidthLeft); var parentHeight = jQuery('#container').height(); var parentOffset = jQuery('#container').offset(); var X = Math.round(e.pageX - parentOffset.left); var Y = Math.round(e.pageY - parentOffset.top); if (X<parentWidthLeft) { jQuery('#image').animate({'left': '-' + parentWidth }, 5000); } if (X>parentWidthRight) { jQuery('#image').animate({'left': parentWidth }, 5000); } if (X<=parentWidthRight && X>=parentWidthLeft) { jQuery('#image').stop(); } if (X<1) { jQuery('#image').stop(); } }); jQuery('#container').mouseleave(function(){ jQuery('#image').stop(); }); }); // ]]> </script> </head> <body> <div id="container" style="width: 500px; height: 500px; overflow: hidden; border: 10px solid #000; position: relative; margin: auto auto;"> <div id="image" style="position: absolute; left: 0; top: 0;"><img src="http://dump4free.com/imgdump/1/Carmen-Electra_1wallpaper1024x768.jpg" alt="" /></div> </div> </body> </html>

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  • How to remove a package entirely?

    - by maria
    Hi I'm quite new to Linux, but before using it I was hearing that Windows programs, after uninstallation, leaves a lot of remains on the hard disc, and Linux removes all. I'm using Ubuntu 10.04. To uninstall packages I'm using sudo apt-get autoremove application_name or sudo aptitude purge application_name. Recently I have installed texlive-full and for some reasons I had quickly to uninstall it. After I've entered to terminal updatedb, then locate *texlive* and the output was very long: maria@marysia-ubuntu:~$ locate *texlive* /etc/texmf/fmt.d/10texlive-base.cnf /etc/texmf/fmt.d/10texlive-formats-extra.cnf /etc/texmf/fmt.d/10texlive-lang-cyrillic.cnf /etc/texmf/fmt.d/10texlive-lang-czechslovak.cnf /etc/texmf/fmt.d/10texlive-lang-polish.cnf /etc/texmf/fmt.d/10texlive-latex-base.cnf /etc/texmf/fmt.d/10texlive-math-extra.cnf /etc/texmf/fmt.d/10texlive-metapost.cnf /etc/texmf/fmt.d/10texlive-omega.cnf /etc/texmf/fmt.d/10texlive-xetex.cnf /etc/texmf/hyphen.d/09texlive-base.cnf /etc/texmf/hyphen.d/10texlive-lang-arabic.cnf /etc/texmf/hyphen.d/10texlive-lang-croatian.cnf /etc/texmf/hyphen.d/10texlive-lang-cyrillic.cnf /etc/texmf/hyphen.d/10texlive-lang-czechslovak.cnf /etc/texmf/hyphen.d/10texlive-lang-danish.cnf /etc/texmf/hyphen.d/10texlive-lang-dutch.cnf /etc/texmf/hyphen.d/10texlive-lang-finnish.cnf /etc/texmf/hyphen.d/10texlive-lang-french.cnf /etc/texmf/hyphen.d/10texlive-lang-german.cnf /etc/texmf/hyphen.d/10texlive-lang-greek.cnf /etc/texmf/hyphen.d/10texlive-lang-hungarian.cnf /etc/texmf/hyphen.d/10texlive-lang-indic.cnf /etc/texmf/hyphen.d/10texlive-lang-italian.cnf /etc/texmf/hyphen.d/10texlive-lang-latin.cnf /etc/texmf/hyphen.d/10texlive-lang-latvian.cnf /etc/texmf/hyphen.d/10texlive-lang-lithuanian.cnf /etc/texmf/hyphen.d/10texlive-lang-mongolian.cnf /etc/texmf/hyphen.d/10texlive-lang-norwegian.cnf /etc/texmf/hyphen.d/10texlive-lang-other.cnf /etc/texmf/hyphen.d/10texlive-lang-polish.cnf /etc/texmf/hyphen.d/10texlive-lang-portuguese.cnf /etc/texmf/hyphen.d/10texlive-lang-spanish.cnf /etc/texmf/hyphen.d/10texlive-lang-swedish.cnf /etc/texmf/hyphen.d/10texlive-lang-ukenglish.cnf /etc/texmf/updmap.d/10texlive-base.cfg /etc/texmf/updmap.d/10texlive-fonts-extra.cfg /etc/texmf/updmap.d/10texlive-fonts-recommended.cfg /etc/texmf/updmap.d/10texlive-games.cfg /etc/texmf/updmap.d/10texlive-lang-african.cfg /etc/texmf/updmap.d/10texlive-lang-arabic.cfg /etc/texmf/updmap.d/10texlive-lang-cyrillic.cfg /etc/texmf/updmap.d/10texlive-lang-czechslovak.cfg /etc/texmf/updmap.d/10texlive-lang-french.cfg /etc/texmf/updmap.d/10texlive-lang-greek.cfg /etc/texmf/updmap.d/10texlive-lang-hebrew.cfg /etc/texmf/updmap.d/10texlive-lang-indic.cfg /etc/texmf/updmap.d/10texlive-lang-lithuanian.cfg /etc/texmf/updmap.d/10texlive-lang-mongolian.cfg /etc/texmf/updmap.d/10texlive-lang-polish.cfg /etc/texmf/updmap.d/10texlive-lang-vietnamese.cfg /etc/texmf/updmap.d/10texlive-latex-base.cfg /etc/texmf/updmap.d/10texlive-latex-extra.cfg /etc/texmf/updmap.d/10texlive-math-extra.cfg /etc/texmf/updmap.d/10texlive-omega.cfg /etc/texmf/updmap.d/10texlive-pictures.cfg /etc/texmf/updmap.d/10texlive-science.cfg /var/cache/apt/archives/texlive-base_2009-7_all.deb /var/cache/apt/archives/texlive-bibtex-extra_2009-7ubuntu3_all.deb /var/cache/apt/archives/texlive-binaries_2009-5ubuntu0.2_i386.deb /var/cache/apt/archives/texlive-common_2009-7_all.deb /var/cache/apt/archives/texlive-doc-base_2009-2_all.deb /var/cache/apt/archives/texlive-doc-bg_2009-2_all.deb /var/cache/apt/archives/texlive-doc-cs+sk_2009-2_all.deb /var/cache/apt/archives/texlive-doc-de_2009-2_all.deb /var/cache/apt/archives/texlive-doc-en_2009-2_all.deb /var/cache/apt/archives/texlive-doc-es_2009-2_all.deb /var/cache/apt/archives/texlive-doc-fi_2009-2_all.deb /var/cache/apt/archives/texlive-doc-fr_2009-2_all.deb /var/cache/apt/archives/texlive-doc-it_2009-2_all.deb /var/cache/apt/archives/texlive-doc-ja_2009-2_all.deb /var/cache/apt/archives/texlive-doc-ko_2009-2_all.deb /var/cache/apt/archives/texlive-doc-mn_2009-2_all.deb /var/cache/apt/archives/texlive-doc-nl_2009-2_all.deb /var/cache/apt/archives/texlive-doc-pl_2009-2_all.deb /var/cache/apt/archives/texlive-doc-pt_2009-2_all.deb /var/cache/apt/archives/texlive-doc-ru_2009-2_all.deb /var/cache/apt/archives/texlive-doc-si_2009-2_all.deb /var/cache/apt/archives/texlive-doc-th_2009-2_all.deb /var/cache/apt/archives/texlive-doc-tr_2009-2_all.deb /var/cache/apt/archives/texlive-doc-uk_2009-2_all.deb /var/cache/apt/archives/texlive-doc-vi_2009-2_all.deb /var/cache/apt/archives/texlive-doc-zh_2009-2_all.deb /var/cache/apt/archives/texlive-extra-utils_2009-7ubuntu3_all.deb /var/cache/apt/archives/texlive-font-utils_2009-7ubuntu3_all.deb /var/cache/apt/archives/texlive-fonts-extra-doc_2009-7ubuntu3_all.deb /var/cache/apt/archives/texlive-fonts-extra_2009-7ubuntu3_all.deb /var/cache/apt/archives/texlive-fonts-recommended-doc_2009-7_all.deb /var/cache/apt/archives/texlive-fonts-recommended_2009-7_all.deb /var/cache/apt/archives/texlive-formats-extra_2009-7ubuntu3_all.deb /var/cache/apt/archives/texlive-full_2009-7_all.deb /var/cache/apt/archives/texlive-games_2009-7ubuntu3_all.deb /var/cache/apt/archives/texlive-generic-extra_2009-7ubuntu3_all.deb /var/cache/apt/archives/texlive-generic-recommended_2009-7_all.deb /var/cache/apt/archives/texlive-humanities-doc_2009-7ubuntu3_all.deb /var/cache/apt/archives/texlive-humanities_2009-7ubuntu3_all.deb /var/cache/apt/archives/texlive-lang-african_2009-3_all.deb /var/cache/apt/archives/texlive-lang-arabic_2009-3_all.deb /var/cache/apt/archives/texlive-lang-armenian_2009-3_all.deb /var/cache/apt/archives/texlive-lang-croatian_2009-3_all.deb /var/cache/apt/archives/texlive-lang-cyrillic_2009-3_all.deb /var/cache/apt/archives/texlive-lang-czechslovak_2009-3_all.deb /var/cache/apt/archives/texlive-lang-danish_2009-3_all.deb /var/cache/apt/archives/texlive-lang-dutch_2009-3_all.deb /var/cache/apt/archives/texlive-lang-finnish_2009-3_all.deb /var/cache/apt/archives/texlive-lang-french_2009-3_all.deb /var/cache/apt/archives/texlive-lang-german_2009-3_all.deb /var/cache/apt/archives/texlive-lang-greek_2009-3_all.deb /var/cache/apt/archives/texlive-lang-hebrew_2009-3_all.deb /var/cache/apt/archives/texlive-lang-hungarian_2009-3_all.deb /var/cache/apt/archives/texlive-lang-indic_2009-3_all.deb /var/cache/apt/archives/texlive-lang-italian_2009-3_all.deb /var/cache/apt/archives/texlive-lang-latin_2009-3_all.deb /var/cache/apt/archives/texlive-lang-latvian_2009-3_all.deb /var/cache/apt/archives/texlive-lang-lithuanian_2009-3_all.deb /var/cache/apt/archives/texlive-lang-mongolian_2009-3_all.deb /var/cache/apt/archives/texlive-lang-norwegian_2009-3_all.deb /var/cache/apt/archives/texlive-lang-other_2009-3_all.deb /var/cache/apt/archives/texlive-lang-polish_2009-3_all.deb /var/cache/apt/archives/texlive-lang-portuguese_2009-3_all.deb /var/cache/apt/archives/texlive-lang-spanish_2009-3_all.deb /var/cache/apt/archives/texlive-lang-swedish_2009-3_all.deb /var/cache/apt/archives/texlive-lang-tibetan_2009-3_all.deb /var/cache/apt/archives/texlive-lang-ukenglish_2009-3_all.deb /var/cache/apt/archives/texlive-lang-vietnamese_2009-3_all.deb /var/cache/apt/archives/texlive-latex-base-doc_2009-7_all.deb /var/cache/apt/archives/texlive-latex-base_2009-7_all.deb /var/cache/apt/archives/texlive-latex-extra-doc_2009-7ubuntu3_all.deb /var/cache/apt/archives/texlive-latex-extra_2009-7ubuntu3_all.deb /var/cache/apt/archives/texlive-latex-recommended-doc_2009-7_all.deb /var/cache/apt/archives/texlive-latex-recommended_2009-7_all.deb /var/cache/apt/archives/texlive-latex3_2009-7ubuntu3_all.deb /var/cache/apt/archives/texlive-luatex_2009-7_all.deb /var/cache/apt/archives/texlive-math-extra_2009-7ubuntu3_all.deb /var/cache/apt/archives/texlive-metapost-doc_2009-7_all.deb /var/cache/apt/archives/texlive-metapost_2009-7_all.deb /var/cache/apt/archives/texlive-music_2009-7ubuntu3_all.deb /var/cache/apt/archives/texlive-omega_2009-7_all.deb /var/cache/apt/archives/texlive-pictures-doc_2009-7_all.deb /var/cache/apt/archives/texlive-pictures_2009-7_all.deb /var/cache/apt/archives/texlive-plain-extra_2009-7ubuntu3_all.deb /var/cache/apt/archives/texlive-pstricks-doc_2009-7ubuntu3_all.deb /var/cache/apt/archives/texlive-pstricks_2009-7ubuntu3_all.deb /var/cache/apt/archives/texlive-publishers-doc_2009-7ubuntu3_all.deb /var/cache/apt/archives/texlive-publishers_2009-7ubuntu3_all.deb /var/cache/apt/archives/texlive-science-doc_2009-7ubuntu3_all.deb /var/cache/apt/archives/texlive-science_2009-7ubuntu3_all.deb /var/cache/apt/archives/texlive-xetex_2009-7_all.deb /var/cache/apt/archives/texlive_2009-7_all.deb /var/lib/dpkg/info/texlive-base.list /var/lib/dpkg/info/texlive-base.postrm /var/lib/dpkg/info/texlive-bibtex-extra.list /var/lib/dpkg/info/texlive-bibtex-extra.postrm /var/lib/dpkg/info/texlive-doc-base.list /var/lib/dpkg/info/texlive-doc-base.postrm /var/lib/dpkg/info/texlive-doc-bg.list /var/lib/dpkg/info/texlive-doc-bg.postrm /var/lib/dpkg/info/texlive-doc-cs+sk.list /var/lib/dpkg/info/texlive-doc-cs+sk.postrm /var/lib/dpkg/info/texlive-doc-de.list /var/lib/dpkg/info/texlive-doc-de.postrm /var/lib/dpkg/info/texlive-doc-en.list /var/lib/dpkg/info/texlive-doc-en.postrm /var/lib/dpkg/info/texlive-doc-es.list /var/lib/dpkg/info/texlive-doc-es.postrm /var/lib/dpkg/info/texlive-doc-fi.list /var/lib/dpkg/info/texlive-doc-fi.postrm /var/lib/dpkg/info/texlive-doc-fr.list /var/lib/dpkg/info/texlive-doc-fr.postrm /var/lib/dpkg/info/texlive-doc-it.list /var/lib/dpkg/info/texlive-doc-it.postrm /var/lib/dpkg/info/texlive-doc-ja.list /var/lib/dpkg/info/texlive-doc-ja.postrm /var/lib/dpkg/info/texlive-doc-ko.list /var/lib/dpkg/info/texlive-doc-ko.postrm /var/lib/dpkg/info/texlive-doc-mn.list /var/lib/dpkg/info/texlive-doc-mn.postrm /var/lib/dpkg/info/texlive-doc-nl.list /var/lib/dpkg/info/texlive-doc-nl.postrm /var/lib/dpkg/info/texlive-doc-pl.list /var/lib/dpkg/info/texlive-doc-pl.postrm /var/lib/dpkg/info/texlive-doc-pt.list /var/lib/dpkg/info/texlive-doc-pt.postrm /var/lib/dpkg/info/texlive-doc-ru.list /var/lib/dpkg/info/texlive-doc-ru.postrm /var/lib/dpkg/info/texlive-doc-si.list /var/lib/dpkg/info/texlive-doc-si.postrm /var/lib/dpkg/info/texlive-doc-th.list /var/lib/dpkg/info/texlive-doc-th.postrm /var/lib/dpkg/info/texlive-doc-tr.list /var/lib/dpkg/info/texlive-doc-tr.postrm /var/lib/dpkg/info/texlive-doc-uk.list /var/lib/dpkg/info/texlive-doc-uk.postrm /var/lib/dpkg/info/texlive-doc-vi.list /var/lib/dpkg/info/texlive-doc-vi.postrm /var/lib/dpkg/info/texlive-doc-zh.list /var/lib/dpkg/info/texlive-doc-zh.postrm /var/lib/dpkg/info/texlive-extra-utils.list /var/lib/dpkg/info/texlive-extra-utils.postrm /var/lib/dpkg/info/texlive-font-utils.list /var/lib/dpkg/info/texlive-font-utils.postrm /var/lib/dpkg/info/texlive-fonts-extra-doc.list /var/lib/dpkg/info/texlive-fonts-extra-doc.postrm /var/lib/dpkg/info/texlive-fonts-extra.list /var/lib/dpkg/info/texlive-fonts-extra.postrm /var/lib/dpkg/info/texlive-fonts-recommended-doc.list /var/lib/dpkg/info/texlive-fonts-recommended-doc.postrm /var/lib/dpkg/info/texlive-fonts-recommended.list /var/lib/dpkg/info/texlive-fonts-recommended.postrm /var/lib/dpkg/info/texlive-formats-extra.list /var/lib/dpkg/info/texlive-formats-extra.postrm /var/lib/dpkg/info/texlive-games.list /var/lib/dpkg/info/texlive-games.postrm /var/lib/dpkg/info/texlive-generic-extra.list /var/lib/dpkg/info/texlive-generic-extra.postrm /var/lib/dpkg/info/texlive-generic-recommended.list /var/lib/dpkg/info/texlive-generic-recommended.postrm /var/lib/dpkg/info/texlive-humanities-doc.list /var/lib/dpkg/info/texlive-humanities-doc.postrm /var/lib/dpkg/info/texlive-humanities.list /var/lib/dpkg/info/texlive-humanities.postrm /var/lib/dpkg/info/texlive-lang-african.list /var/lib/dpkg/info/texlive-lang-african.postrm /var/lib/dpkg/info/texlive-lang-arabic.list /var/lib/dpkg/info/texlive-lang-arabic.postrm /var/lib/dpkg/info/texlive-lang-armenian.list /var/lib/dpkg/info/texlive-lang-armenian.postrm /var/lib/dpkg/info/texlive-lang-croatian.list /var/lib/dpkg/info/texlive-lang-croatian.postrm /var/lib/dpkg/info/texlive-lang-cyrillic.list /var/lib/dpkg/info/texlive-lang-cyrillic.postrm /var/lib/dpkg/info/texlive-lang-czechslovak.list /var/lib/dpkg/info/texlive-lang-czechslovak.postrm /var/lib/dpkg/info/texlive-lang-danish.list /var/lib/dpkg/info/texlive-lang-danish.postrm /var/lib/dpkg/info/texlive-lang-dutch.list /var/lib/dpkg/info/texlive-lang-dutch.postrm /var/lib/dpkg/info/texlive-lang-finnish.list /var/lib/dpkg/info/texlive-lang-finnish.postrm /var/lib/dpkg/info/texlive-lang-french.list /var/lib/dpkg/info/texlive-lang-french.postrm /var/lib/dpkg/info/texlive-lang-german.list /var/lib/dpkg/info/texlive-lang-german.postrm /var/lib/dpkg/info/texlive-lang-greek.list /var/lib/dpkg/info/texlive-lang-greek.postrm /var/lib/dpkg/info/texlive-lang-hebrew.list /var/lib/dpkg/info/texlive-lang-hebrew.postrm /var/lib/dpkg/info/texlive-lang-hungarian.list /var/lib/dpkg/info/texlive-lang-hungarian.postrm /var/lib/dpkg/info/texlive-lang-indic.list /var/lib/dpkg/info/texlive-lang-indic.postrm /var/lib/dpkg/info/texlive-lang-italian.list /var/lib/dpkg/info/texlive-lang-italian.postrm /var/lib/dpkg/info/texlive-lang-latin.list /var/lib/dpkg/info/texlive-lang-latin.postrm /var/lib/dpkg/info/texlive-lang-latvian.list /var/lib/dpkg/info/texlive-lang-latvian.postrm /var/lib/dpkg/info/texlive-lang-lithuanian.list /var/lib/dpkg/info/texlive-lang-lithuanian.postrm /var/lib/dpkg/info/texlive-lang-mongolian.list /var/lib/dpkg/info/texlive-lang-mongolian.postrm /var/lib/dpkg/info/texlive-lang-norwegian.list /var/lib/dpkg/info/texlive-lang-norwegian.postrm /var/lib/dpkg/info/texlive-lang-other.list /var/lib/dpkg/info/texlive-lang-other.postrm /var/lib/dpkg/info/texlive-lang-polish.list /var/lib/dpkg/info/texlive-lang-polish.postrm /var/lib/dpkg/info/texlive-lang-portuguese.list /var/lib/dpkg/info/texlive-lang-portuguese.postrm /var/lib/dpkg/info/texlive-lang-spanish.list /var/lib/dpkg/info/texlive-lang-spanish.postrm /var/lib/dpkg/info/texlive-lang-swedish.list /var/lib/dpkg/info/texlive-lang-swedish.postrm /var/lib/dpkg/info/texlive-lang-tibetan.list /var/lib/dpkg/info/texlive-lang-tibetan.postrm /var/lib/dpkg/info/texlive-lang-ukenglish.list /var/lib/dpkg/info/texlive-lang-ukenglish.postrm /var/lib/dpkg/info/texlive-lang-vietnamese.list /var/lib/dpkg/info/texlive-lang-vietnamese.postrm /var/lib/dpkg/info/texlive-latex-base-doc.list /var/lib/dpkg/info/texlive-latex-base-doc.postrm /var/lib/dpkg/info/texlive-latex-base.list /var/lib/dpkg/info/texlive-latex-base.postrm /var/lib/dpkg/info/texlive-latex-extra-doc.list /var/lib/dpkg/info/texlive-latex-extra-doc.postrm /var/lib/dpkg/info/texlive-latex-extra.list /var/lib/dpkg/info/texlive-latex-extra.postrm /var/lib/dpkg/info/texlive-latex-recommended-doc.list /var/lib/dpkg/info/texlive-latex-recommended-doc.postrm /var/lib/dpkg/info/texlive-latex-recommended.list /var/lib/dpkg/info/texlive-latex-recommended.postrm /var/lib/dpkg/info/texlive-latex3.list /var/lib/dpkg/info/texlive-latex3.postrm /var/lib/dpkg/info/texlive-luatex.list /var/lib/dpkg/info/texlive-luatex.postrm /var/lib/dpkg/info/texlive-math-extra.list /var/lib/dpkg/info/texlive-math-extra.postrm /var/lib/dpkg/info/texlive-metapost-doc.list /var/lib/dpkg/info/texlive-metapost-doc.postrm /var/lib/dpkg/info/texlive-metapost.list /var/lib/dpkg/info/texlive-metapost.postrm /var/lib/dpkg/info/texlive-music.list /var/lib/dpkg/info/texlive-music.postrm /var/lib/dpkg/info/texlive-omega.list /var/lib/dpkg/info/texlive-omega.postrm /var/lib/dpkg/info/texlive-pictures-doc.list /var/lib/dpkg/info/texlive-pictures-doc.postrm /var/lib/dpkg/info/texlive-pictures.list /var/lib/dpkg/info/texlive-pictures.postrm /var/lib/dpkg/info/texlive-plain-extra.list /var/lib/dpkg/info/texlive-plain-extra.postrm /var/lib/dpkg/info/texlive-pstricks-doc.list /var/lib/dpkg/info/texlive-pstricks-doc.postrm /var/lib/dpkg/info/texlive-pstricks.list /var/lib/dpkg/info/texlive-pstricks.postrm /var/lib/dpkg/info/texlive-publishers-doc.list /var/lib/dpkg/info/texlive-publishers-doc.postrm /var/lib/dpkg/info/texlive-publishers.list /var/lib/dpkg/info/texlive-publishers.postrm /var/lib/dpkg/info/texlive-science-doc.list /var/lib/dpkg/info/texlive-science-doc.postrm /var/lib/dpkg/info/texlive-science.list /var/lib/dpkg/info/texlive-science.postrm /var/lib/dpkg/info/texlive-xetex.list /var/lib/dpkg/info/texlive-xetex.postrm maria@marysia-ubuntu:~$ I've used sudo apt-get autoclean without any change. I've installed deborphan and it showed nothing (maybe I've used it in wrong way: just entered command deborphan). Am I doing something wrong or I was told something which is not true? I would like to know two things: how to remove packages (if I'm doing it in wrong way) and how to clean hard disc from remains of all packages I've uninstalled till now (even if I don't remember what it was exactly). I have Ubuntu Tweak installed but I don't know how to use it and I think I prefere terminal commnands. Thanks

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