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Touching an object in a tweened animation?

- by Michael

I'm having trouble porting a simple game I developed for the iPhone over to Android. The game has an animated ball which moves from Point A to Point B. The user must touch the ball before it reaches point B or lose the game. This was easy to implement on the iPhone using Core Animation since I could locate the current position of the ball by accessing its animation layer. In Android, I attempted to recreate the game using tweened animation and represented the ball as a Drawable. My issue is that I can't determine if the user is touching the spot because the Drawable apparently bounds do not update as the ball visually moves - making the program think the ball is always in its original position. While searching these forums I saw an Android team dev. confirm that you can't get the current location in a tweened animation but offered no solution for a workaround. Can I accomplish this on the Android using my current approach? If not, what approach should I use? Best regards, Michael

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WordPress: Using custom field to define posts to display in loop

- by j-man86

Hi, I'm trying to use a custom field in which I input the post ID numbers of the posts I want to show, seperated by commas. For some reason though, only the first post of the series of the post IDs are displaying. Can someone help? The value of $nlPostIds is (minus the quotes): "1542,1534,1546". Here's the code... the most important part is the 4th line 'post__in' => array($nlPostIds) <?php $nlPostIds = get_post_meta($post->ID, 'nlPostIds', true); $args=array( 'post__in' => array($nlPostIds) ); query_posts($args); if ( $wp_query->have_posts() ) : while ( $wp_query->have_posts() ) : $wp_query->the_post(); ?> <div class="entry"> <div class="post" id="post-<?php the_ID(); ?>"> <h2><a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title_attribute(); ?>"><?php the_title(); ?></a></h2> <div class="allinfos"><span class="date"><?php the_time('F jS, Y') ?></span> | <span class="comments"><?php comments_popup_link('No Comments', '1 Comment', '% Comments'); ?> </span> | <span class="category">Posted in <?php the_category(', ') ?></span> </div> <?php the_content('More »'); ?> <?php the_tags('Tags: ', ', ', ' '); ?> <?php edit_post_link('Edit', '[ ', ' ]'); ?> <div class="clear"></div> </div></div> <?php endwhile; endif; ?> Thanks!

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Add a child inside a newly created instance, inside of a loop in AS3

- by HeroicNate

I am trying to create a gallery where each thumb is housed inside of it's own movie clip that will have more data, but it keeps failing because it won't let me refer to the newly created instance of the movie clip. Below is what I am trying to do. var xml:XML; var xmlReq:URLRequest = new URLRequest("xml.xml"); var xmlLoader:URLLoader = new URLLoader(); var imageLoader:Loader; var vidThumbn:ThumbNail; var next_y:Number = 0; for(var i:int = 0; i < xml.downloads.videos.video.length(); i++) { vidThumbn = new ThumbNail(); imageLoader = new Loader(); imageLoader.load(new URLRequest(xml.downloads.videos.video[i].ThumbnailImage)); vidThumbn.y = next_y; vidThumbn.x = 0; next_y += 117; imageLoader.name = xml.downloads.videos.video[i].Files[0].File.URL; videoBox.thumbList.thumbListHolder.addChild(vidThumbn); videoBox.thumbList.thumbListHolder.vidThumbn.addChild(imageLoader); } It dies every time on that last line. How do I refer to that vidThumbn instance so I can add the imageLoader? I don't know what I'm missing. It feels like it should work.

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Loop background images using jQuery

- by da5id

I'm trying to get the back-ground image of a legacy div (by which I mean it already has a background image, which I cannot control & thus have to initially over-write) to smoothly rotate indefinitely. Here's what I have so far: var images = [ "/images/home/19041085158.jpg", "/images/home/19041085513.jpg", "/images/home/19041085612.jpg" ]; var counter = 0; setInterval(function() { $(".home_banner").css('backgroundImage', 'url("'+images[counter]+'")'); counter ++; if (counter == colours.length) { counter = 0; } }, 2000); Trouble is, it's not smooth (I'm aiming for something like the innerfade plugin), and it's not indefinite (it only runs once through the array). All help greatfully appreciated :)

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Speed up the loop operation in R

- by Kay

Hi, i have a big performance problem in R. I wrote a function that iterates over an data.frame object. It simply adds a new col to a data.frame and accumulate sth. (simple operation). The data.frame has round about 850.000 rows. My PC is still working about 10h now and i have no idea about the runtime. dayloop2 <- function(temp){ for (i in 1:nrow(temp)){ temp[i,10] <- i if (i > 1) { if ((temp[i,6] == temp[i-1,6]) & (temp[i,3] == temp[i-1,3])) { temp[i,10] <- temp[i,9] + temp[i-1,10] } else { temp[i,10] <- temp[i,9] } } else { temp[i,10] <- temp[i,9] } } names(temp)[names(temp) == "V10"] <- "Kumm." return(temp) } Any ideas how to speed up this operation ?

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is it possible to dynamically set the level of for loop nesting

- by galaxy

I'm working out an algorithm to get permutations like 123 132 213 231 312 321 I'm doing it using nested foreach loops. for (..) { for(..) { for(..) { echo $i . $j . $k . "<br />"; } } } Problem is those # of nested loops are optimized for 3-spot permutations. How can I could I dynamically set the number of nested for loops to generate 4-letter or 5-letter permutations?

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while loop in c#

- by Nave Tseva

I have this code: using System; namespace _121119_zionAVGfilter { class Program { static void Main(string[] args) { int cnt = 0, zion, sum = 0; double avg; Console.Write("Enter first zion \n"); zion = int.Parse(Console.ReadLine()); while (zion != -1) { while (zion < -1 || zion > 100) { Console.Write("zion can be between 0 to 100 only! \nyou can rewrite the zion here, or Press -1 to see the avg\n"); zion = int.Parse(Console.ReadLine()); } cnt++; sum = sum + zion; Console.Write("Enter next zion, if you want to exit tap -1 \n"); zion = int.Parse(Console.ReadLine()); if (cnt != 0){} } if (cnt == 0) { Console.WriteLine("something doesn't make sence"); } else { avg = (double)sum / cnt; Console.Write("the AVG is {0}", avg); } Console.ReadLine(); } } } The problem here is that if in the beginning I enter a negative or bigger than hundred number, I will get this message: "zion can be between 0 to 100 only! \nyou can rewrite the zion here, or Press -1 to see the avg\n". If I then meenter -1, this what that shows up instead of the AVG: "Enter next zion, if you want to exit tap -1 \n." How can I solve this problem so when the number is negative or bigger than hundred and than tap -1 I will see the AVG an not another message?

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Please help clean this loop

- by Alex Angelini

I do not code much in Javascript, but I have the following snippet which IMHO looks horrendous and I have to do this nested iteration quite often in my code. Does anyone have a prettier/easier to read solution? function addBrowse(data) { var list = $('<ul></ul>') for(i = 0; i < data.list.length; i++) { var file = list.append('<li class="toLeft">' + data.list[i].name + '</li>') for(j = 0; j < data.list[i].children.length; j++) { var db = file.append('<li>' + data.list[i].children[j].name + '</li>') for(k = 0; k < data.list[i].children[j].children.length; k++) db.append('<li class="toRight">' + data.list[i].children[j].children[k].name + '</li>') } } $('#browse').append(list).show()} Here is a sample data element {"file":"","db":"","tbl":"","page":"browse","list":[ { "name":"/home/alex/GoSource/test1.txt", "children":[ { "name":"go", "children":[ { "name":"validation1", "children":[ ] } ] } ] }, { "name":"/home/alex/GoSource/test2.txt", "children":[ { "name":"go", "children":[ { "name":"validation2", "children":[ ] } ] } ] }, { "name":"/home/alex/GoSource/test3.txt", "children":[ { "name":"go", "children":[ { "name":"validation3", "children":[ ] } ] } ] }]} Thanks a lot

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Will the compiler optimize escaping an inner loop?

- by BCS

The code I have looks like this (all uses of done shown): bool done = false; for(int i = 0; i < big; i++) { ... for(int j = 0; j < wow; j++) { ... if(foo(i,j)) { done = true; break; } ... } if(done) break; ... } will any compilers convert it to this: for(int i = 0; i < big; i++) { ... for(int j = 0; j < wow; j++) { ... if(foo(i,j)) goto __done; // same as a labeled break if we had it ... } ... } __done:;

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Grab only 2 items from Jquery Loop

- by Bry4n

Here is my Jquery $th.each(function(idx) { var notSelected = $(this).text(); if ((notSelected.indexOf(to) != -1) || (notSelected.indexOf(from) != -1)) { if (idx < 10) { $(this).show(); // and show its corresponding td $td.eq(idx).show(); } } }); It is part of a tableFilter type function for a HTML table. However I want it to only display only 2 of the results. I tried instantiating some kind of index counter but I was unsuccessful. Any help or thoughts would be appreciated.

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How to cleverly stop "while loop" (php)

- by user3735697

I'm having trouble with creating code that echoes a bunch of stuff that is corresponding to the mysql database row. It needs to keep creating the content until all rows are used and then stop. But for some reason the php file causes the browser to keep loading (it never ends). Any help would be appreciated! Thanks! <?php mysql_connect ("localhost", "root", "") or die ("We couldn't connect!"); mysql_select_db ("dr"); mysql_query ("SELECT * FROM songs"); $result = mysql_query ("SELECT * FROM songs"); while ($row=mysql_fetch_array($result)) { $name = $row ['songname']; $genres = $row ['songgenres']; $mediafire = $row ['mediafirelink']; $dropbox = $row ['dropboxlink']; $source = $row ['audiosource']; echo " <div class='playing'>  <li class='songnameli' id='$source'> <span class='info'>$name</span> <audio> <source src='music/singles/$source.mp3'> <source src='music/singles/$source.ogg'> </audio> </li>  <li class='playlistli'> <img src='icons/addtoplaylist.png' title='Add tot the playlist!' /> </li>  <li class='genresli'> <img src='icons/genres.png' title='Related genres' /> <span class='addedtext genres'>$genres</span> </li>  <li> <span> <img src='icons/share.png' alt='Share this with your friends!' title='Share this!'>  <a href='http://www.facebook.com/sharer.php?u=http://www.declassified-recordings.com' class='addedtext nlink' target='blank_' onclick='popup (this.href, 800, 500); return false'>Facebook </a> <span>/</span>  <a href='http://twitter.com/share? text=Thank%20you%20For%20Sharing!%20It%20means%20the%20world%20to%20us!%40Declassifi3d%20 &url=http://www.declassified-recordings.com' class='twitterlink nlink' target='blank_' onclick='popup (this.href, 800, 500); return false'>Twitter</a> </span> </li>  <li> <img src='icons/download.png' title='Download!' /> <span>  <a href='$mediafire' class='addedtext nlink' target='_blank'>Mediafire</a> <span class='genres'>/</span>  <a href='$mediafire' class='twitterlink nlink' target='_blank'>Dropbox</a> </span> </li> </div>"; } mysql_close (); ?>

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"for" loop inside another "for" loop

- by jnkrois

Hello everybody. I have quick question, and I'm sure some of you guys will be able to point out what I'm doing wrong. Basically, I want to create a table with (calendar), with the months and days of an entire year, and Im using php to do it, my code is doing something weird. What happens is that January is empty and the days for January are being put in february. My code so far is as follows: $months = 12; $monthsOfTheyear = array("Januany","February","March","April","May","June","July","August","September","October","November","December"); $currentMonth = date("n"); $currentYear = date("Y"); $daysOfTheMonth = cal_days_in_month(CAL_GREGORIAN, $currentMonth, $currentYear); for($i = 0; $i < $months; $i++){ echo " <tbody class='month'>"; echo " <tr> <td colspan='".$daysOfTheMonth."'> ".$monthsOfTheyear[$i]." </td> </tr> <tr> "; $daysOfEachMonth = cal_days_in_month(CAL_GREGORIAN, $i, $currentYear); for($d = 1; $d <= $daysOfEachMonth; $d++){ echo " <td> ".$d." </td> "; } echo " </tr> </tbody"; } I'm obviously doing something wrong, but I've been staring at the monitor for about an hour trying to figure it out. I'd appreciate any advice. Thanks

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For loop index out of range ArgumentOutOfRangeException when multithreading

- by Lirik

I'm getting some strange behavior... when I iterate over the dummyText List in the ThreadTest method I get an index out of range exception (ArgumentOutOfRangeException), but if I remove the threads and I just print out the text, then everything works fine. This is my main method: public static Object sync = new Object(); static void Main(string[] args) { ThreadTest(); Console.WriteLine("Press any key to continue."); Console.ReadKey(); } This method throws the exception: private static void ThreadTest() { Console.WriteLine("Running ThreadTest"); Console.WriteLine("Running ThreadTest"); List<String> dummyText = new List<string>() { "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine", "Ten"}; for (int i = 0; i < dummyText.Count; i++) { Thread t = new Thread(() => PrintThreadName(dummyText[i])); // <-- Index out of range?!? t.Name = ("Thread " + (i)); t.IsBackground = true; t.Start(); } } private static void PrintThreadName(String text) { Random rand = new Random(DateTime.Now.Millisecond); while (true) { lock (sync) { Console.WriteLine(Thread.CurrentThread.Name + " running " + text); Thread.Sleep(1000+rand.Next(0,2000)); } } } This does not throw the exception: private static void ThreadTest() { Console.WriteLine("Running ThreadTest"); List<String> dummyText = new List<string>() { "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine", "Ten"}; for (int i = 0; i < dummyText.Count; i++) { Console.WriteLine(dummyText[i]); // <-- No exception here } } Does anybody know why this is happening?

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switch statement in for loop and if statement not completing

- by user2373912

I'm trying to find out how many of each character are in a string. I've searched around for a while and can't seem to figure out why my switch statement is stopping after the first case. function charFreq(string){ var splitUp = string.split(""); console.log(splitUp); var a; var b; var c; var v; for (var i = 0; i<splitUp.length; i++){ if (i<1){ switch (splitUp[i]){ case "a": a = 1; break; case "b": b = 1; break; case "c": c = 1; break; case "v": v = 1; break; } } else { switch (splitUp[i]){ case "a": a += 1; break; case "b": b += 1; break; case "c": c += 1; break; case "v": v += 1; break; } } } console.log("There are " + a + " A's, " + b + " B's, " + c + " C's, and " + v + " V's.") } charFreq("aaabccbbavabac"); What am I doing wrong that would make the console read: There are 6 A's, NaN B's, NaN C's, and NaN V's.

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C# Which enumerates faster?

- by Nullstr1ng

Hi Guys, I just thought I ask if which enumerates faster. for(;;) {} foreach() {} while() {} anymore you want to add would be fine update: C# Language

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Flash AS3: position loaded images from loop based on image height

- by HeroicNate

I'm trying to dynamically stack images that are being pulled in via an xml file. Below is what I'm doing, and it almost works. The problem is that it only seems to fire off the event complete function on the very last one, instead of going for all of them. Is there a way to make it run the even.complete function for each image? function aboutfileLoaded(event:Event):void { aboutXML = new XML(aboutTextLoader.data); for(var l:int = 0; l < aboutXML.aboutimages.image.length(); l++) { imageLoader = new Loader(); imageSource = aboutXML.aboutimages.image[l]; if (imageSource != "") { this.imageLoader.contentLoaderInfo.addEventListener(Event.COMPLETE, aboutimageLoaded); this.imageLoader.load(new URLRequest(imageSource)); //aboutBox.aboutContent.addChild(imageLoader); //imageLoader.y = imageYpos; //imageYpos = imageYpos + 50; } } } function aboutimageLoaded(event:Event):void { aboutBox.aboutContent.addChild(imageLoader); this.imageLoader.y = imageYpos; imageYpos = imageYpos + this.imageLoader.height; }

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Nested for loop error with !null checking an element that doesn't exist

- by Programatt

I am currently using nested for loops in a 2D array of size 4,2. When I run my program, I get index out of bounds Exception on the following line else if (state[i][j+1] != null && state[i][j].getFlash() <= state[i][j].getCycleLength() && state[i][j+1].getCycleLength() == state[i][j].getCycleLength()){ } It says the index out of bounds is 2. I would understand the error if I wasn't checking to see if [i][j+1] wasn't null, but I don't understand the exception with the check? I tried moving around the !null check but the program still fails on this line. Any help would be greatly appreciated. Stack trace: Exception in thread "Timer-0" java.lang.ArrayIndexOutOfBoundsException: 2 at NatComp.data$1.run(data.java:67) at java.util.TimerThread.mainLoop(Timer.java:512) at java.util.TimerThread.run(Timer.java:462)

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Help with a loop to return UIImage from possible matches

- by Canada Dev

I am parsing a list of locations and would like to return a UIImage with a flag based on these locations. I have a string with the location. This can be many different locations and I would like to search this string for possible matches in an NSArray, and when there's a match, it should find the appropriate filename in an NSDictionary. Here's an example of the NSDictionary and NSArray: NSDictionary *dict = [NSDictionary dictionaryWithObjectsAndKeys: @"franceFlag", @"france", @"greeceFlag", @"greece", @"spainFlag", @"spain", @"norwayFlag", @"norway", nil]; NSArray *array = [NSArray arrayWithObjects: @"france" @"greece" @"spain" @"portugal" @"ireland" @"norway", nil]; Obviously I'll have a lot more countries and flags in both. Here's what I have got to so far: -(UIImage *)flagFromOrigin:(NSString *)locationString { NSRange range; for (NSString *arrayString in countryArray) { range = [locationString rangeOfString:arrayString]; if (range.location != NSNotFound) { return [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:[dictionary objectForKey: arrayString] ofType:@"png"]]; } } return nil; } Now, the above doesn't actually work. I am missing something (and perhaps not even doing it right in the first place) The issue is, the locationString could have several locations in the same country, described something like this "Barcelona, Spain", "Madrid, Spain", "North Spain", etc., but I just want to retrieve "Spain" in this case. (Also, notice caps for each country). Basically, I want to search the locationString I pass into the method for a possible match with one of the countries listed in the NSArray. If/When one is found, it should continue into the NSDictionary and grab the appropriate flag based on the correct matched string from the array. I believe the best way would then to take the string from the array, as this would be a stripped-out version of the location. Any help to point me in the right direction for the last bit is greatly appreciated.

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better for-loop syntax for detecting empty sequences?

- by Dmitry Beransky

Hi, Is there a better way to write the following: row_counter = 0 for item in iterable_sequence: # do stuff with the item counter += 1 if not row_counter: # handle the empty-sequence-case Please keep in mind that I can't use len(iterable_sequence) because 1) not all sequences have known lengths; 2) in some cases calling len() may trigger loading of the sequence's items into memory (as the case would be with sql query results). The reason I ask is that I'm simply curious if there is a way to make above more concise and idiomatic. What I'm looking for is along the lines of: for item in sequence: #process item *else*: #handle the empty sequence case (assuming "else" here worked only on empty sequences, which I know it doesn't)

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jQuery animation loop not working

- by Marko Ivanovski

Hi, I'm trying to create a looping animation that starts on onmousedown and stops on onmouseout. The effect is a simple scroll that will continue looping until you release the mouse. I've created a function which performs the .animate method and it passes itself as a callback but the code only runs once. Here's the entire code: $(document).ready(function() { var $scroller = $("#scroller"); var $content = $("#content", $scroller); // lineHeight equal to 1 line of text var lineHeight = $content.css('line-height'); //Amount to scroll = 3 lines of text a time var amountToScroll = lineHeight.replace("px","")*3; var maxScroll = $content.height() - $scroller.height(); function scrollDown() { var topCoord = $content.css("top").replace("px",""); if(topCoord > -maxScroll) { if((-maxScroll-topCoord) > -amountToScroll) { $content.stop().animate({ top: -maxScroll }, 1000 ); } else { $content.stop().animate({ top: "-=" + amountToScroll }, 1000, function(){ scrollDown() } ); } } } function scrollUp() { var topCoord = $content.css("top").replace("px",""); if(topCoord < 0) { if(topCoord > -amountToScroll) { $content.stop().animate({ top: 0 }, 1000 ); } else { $content.stop().animate({ top: "+=" + amountToScroll }, 1000, function(){scrollUp()} ); } } } $("#scroll-down").mousedown(function() { scrollDown(); }); $("#scroll-down").mouseup(function() { $content.stop(); }); $("#scroll-up").mousedown(function() { scrollUp(); }); $("scroll-up").mouseup(function() { $content.stop(); }); });

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Inspiration and influence of the else clause of loop statements?

- by Aristide

Python offers an optional loop-else clause which is executed if and only if the loop is not terminated by a break. (In other words, the condition fails for a while-loop or the iterator is exhausted for a for-loop.) Does this loop-else construct originate from another language? (Either theoretical or actually implemented.) Has it been taken up in any newer language? Maybe I should ask the former of Guido, but surely he is too busy for such a futile inquiry. ;-) Related discussion and examples: Pythonic ways to use ‘else’ in a for loop

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java for loop not working

- by Steve

I hope this isn't a stupid question but I have looked up every example I can find and it still seems like I have this code right and it still isn't working... I enter one number and it moves on to the next line of code instead of looping. I'm using this to fill an array with user input numbers. I appreciate any help, thanks. for(i=0; i<9; i++); { System.out.println ("Please enter a number:"); Num[i] = keyboard.nextDouble(); Sum += Num[i]; Product *= Num[i]; }

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JavaScript apparently waits for each AJAX call before sending another in a loop

- by itako

Hello. Straight to the point: I have this javascript: for(item=1;item<5;item++) { xmlhttp=new XMLHttpRequest(); xmlhttp.open("GET",'zzz.php', true); xmlhttp.send(); } And in PHP file something like this: usleep(5);die('ok'); Now the problem is javascript seems to be waiting for each ajax call to be completed before sending another one. So the first response gets back after approx. 5 seconds, next after 10 seconds and so on. That's a very simplified version of what I do, since the real script involves using cURL in PHP and jQuery as JS lib. But the problem remains the same. Why do responses come back in 5 second intervals?

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JavaScript for loop index strangeness

- by pythonBOI

I'm relatively new to JS so this may be a common problem, but I noticed something strange when dealing with for loops and the onclick function. I was able to replicate the problem with this code: <html> <head> <script type="text/javascript"> window.onload = function () { var buttons = document.getElementsByTagName('a'); for (var i=0; i<2; i++) { buttons[i].onclick = function () { alert(i); return false; } } } </script> </head> <body> <a href="">hi</a> <br /> <a href="">bye</a> </body> </html> When clicking the links I would expect to get '0' and '1', but instead I get '2' for both of them. Why is this? BTW, I managed to solve my particular problem by using the 'this' keyword, but I'm still curious as to what is behind this behavior.

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collect string in loop and printout all the string outside loop

- by user1508163

I'm newbie here and there is some question that I want have some lesson from you guys. For example: #include <stdio.h> #include<stdlib.h> #include<ctype.h> void main() { char name[51],selection; do { printf("Enter name: "); fflush(stdin); gets(name); printf("Enter another name?(Y/N)"); scanf("%c",&selection); selection=toupper(selection); }while (selection=='Y'); //I want to printout the entered name here but dunno the coding printf("END\n"); system("pause"); } As I know when the loops perform will overwrite the variable then how I perform a coding that will printout all the name user entered? I have already ask my tutor and he is ask me to use pointer, can anyone guide me in this case?

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