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• Strange Bubble sort behaviour.

  - by user271528

  Can anyone explain why this bubble sort function doesn't work and why I loose number in my output. I'm very new to C, so please forgive me if this is something very obvious I have missed. #include <stdio.h> #include int bubble(int array[],int length) { int i, j; int temp; for(i = 0; i < (length); ++i) { for(j = 0; j < (length - 1); ++j) { if(array[i] array[i+1]) { temp = array[i+1]; array[i+1] = array[i]; array[i] = temp; } } } return 0; } int main() { int array[] = {12,234,3452,5643,0}; int i; int length; length = (sizeof(array)/sizeof(int)); printf("Size of array = %d\n", length); bubble(array, length); for (i = 0; i < (length); ++i) { printf("%d\n", array[i]); } return 0; } Output Size of array = 5 12 234 3452 0 0

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• Strange problem with NSMutableArray - Possibly some memory corruption

  - by user210504

  Hi! I am trying to update data in a table view using a NSMutableArray. Quite simple :( What is happening is that I get my data from a NSURLConnection Callback, which I parse and store it in an array and call reload data on the table view. The problem is that when cellForRowAtIndexPath is called back by the framework. The array still shows the correct count of the elements but all string objects I had stored earlier are shown as invalid. Any pointers

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• NSOperation for animation loop causes strange scrolling behaviour

  - by Tricky

  Hi, I've created an animation loop which I run as an operation in order to keep the rest of my interface responsive. Whilst almost there, there is still one remaining issue. My UIScrollViews don't seem to be reliably picking up when a user touch ends. What this means is, for example, if a user drags down on a scroll view, when they lift their fingers the scrollview doesn't bounce back into place and the scrollbar remains visible. As if the finger hasn't left the screen. It takes another tap on the scrollview for it to snap to its correct position and the scrollbar to fade away... Here's the loop I created in a subclassed NSOperation: (void)main { NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; NSRunLoop *runLoop = [NSRunLoop currentRunLoop]; _displayLink = [[CADisplayLink displayLinkWithTarget: self selector: @selector(animationLoop:)] retain]; [_displayLink setFrameInterval: 1.0f]; [_displayLink addToRunLoop:[NSRunLoop currentRunLoop] forMode: NSRunLoopCommonModes]; while (![self isCancelled]) { NSAutoreleasePool *loopPool = [[NSAutoreleasePool alloc] init]; [runLoop runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantFuture]]; [loopPool drain]; } [_displayLink invalidate]; [pool release]; } DOes anyone have any idea what might be going on here, and even better how to fix it... Thanks!

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• A strange problem using jquery in IE6.

  - by Tony

  I am using jquery load method to update divs , it works great until I test my code under IE6. The problem is : under IE6 , when I click a button to trigger a load method , the page is remaining unchanged until I move my cursor, that means if I click my mouse and keep my hand away from the mouse , the page is unchanged , if I move the mouse , the page is updated. This problem is only occurred under IE6 . IE7 , IE8, Firefox all have no problem. Have you guys ever encountered this kind of problem ?

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• Strange git case...

  - by khelll

  I have a file, let's say file.txt I have done git mv file.txt to file1.txt, then I created a new file called file.txt and worked on it, unfortunatly I didn't add that file to git yet. Anyway the problem is that I did git stash, then git stash apply, but the new file.txt disappeared... anyway to get it back?

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• Strange ruby behavior when using Hash.new([])

  - by Valentin Vasilyev

  Consider this code: h=Hash.new(0) #new hash pairs will by default have 0 as values h[1]+=1 # {1=>1} h[2]+=2 # {2=>2} that's all fine, but: h=Hash.new([]) #empty array as default value h[1]<<=1 #{1=>[1]} - OK h[2]<<=2 #{1=>[1,2], 2=>[1,2]} # why ?? At this point I expect the hash to be: {1=>[1], 2=>[2]} But something goes wrong. Does anybody know what happens?

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• "Socket operation on non-socket" error due to strange syntax

  - by Robert S. Barnes

  I ran across the error Socket operation on non-socket in some of my networking code when calling connect and spent a lot of time trying to figure out what was causing it. I finally figured out that the following line of code was causing the problem: if ((sockfd = socket( ai->ai_family, ai->ai_socktype, ai->ai_protocol) < 0)) { See the problem? Here's what the line should look like: if ((sockfd = socket( ai->ai_family, ai->ai_socktype, ai->ai_protocol)) < 0) { What I don't understand is why the first, incorrect line doesn't produce a warning. To put it another way, shouldn't the general form: if ( foo = bar() < baz ) do_something(); look odd to the compiler, especially running with g++ -Wall -Wextra? If not, shouldn't it at least show up as "bad style" to cppcheck, which I'm also running as part of my compile?

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• .NET: Strange behaviour of double.Equals() when boxing.

  - by Vilx-

  What's going on here? int zero = 0; double x = 0; object y = x; Console.WriteLine(x.Equals(zero)); // True Console.WriteLine(y.Equals(zero)); // False

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• javascript string exec strange behavior

  - by Michael

  have funciton in my object which is called regularly. parse : function(html) { var regexp = /...some pattern.../ var match = regexp.exec(html); while (match != null) { ... match = regexp.exec(html); } ... var r = /...pattern.../g; var m = r.exec(html); } with unchanged html the m returns null each other call. let's say parse(html);// ok parse(html);// m is null!!! parse(html);// ok parse(html);// m is null!!! // ...and so on... is there any index or somrthing that has to be reset on html ... I'm really confused. Why match always returns proper result?

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• Access violations in strange places when using Windows file dialogs

  - by Robert Oschler

  A long time ago I found out that I was getting access violations in my code due to the use of the Delphi Open File and/or Save File dialogs, which encapsulate the Windows dialogs. I asked some questions on a few forums and I was told that it may have been due to the way some programs add hooks to the shell system that result in DLLs getting injected in every process, some of which can cause havoc with a program. For the record, the programming environment I use is Delphi 6 Professional running on Windows XP 32-bit. At the time I got around it by not using Delphi's Dialog components and instead calling straight into comdlg32.dll. This solved the problem wonderfully. Today I was working with memory mapped files for the first time and sure enough, access violations started cropping up in weird parts of the code. I tried my comdlg32.dll direct calls and this time it didn't help. To isolate the problem as a test I created a list box with the exact same files I was using during testing. These are the exact same test files I was selecting from an Open File dialog and then launching my memory mapped file with. I set things up so that by clicking on a file in the list box, I would use that file in my memory mapped file test instead of calling into a comdlg32.dll dialog function to select a test file. Again, the access violatons vanished. To show you how dramatic a fix it was I went from experiencing an access violation within 1 to 3 trials to none at all. Unfortunately, it's going to bite me later on of course when I do need to use file dialogs. Has anyone else dealt with this issue too and found the real culprit? Did any of you find a solution I could use to fix this problem instead of dancing around it like I am now? Thanks in advance.

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• Strange Syntax Parsing Error in Python?

  - by user213060

  Am I missing something here? Why shouldn't the code under the "Broken" section work? I'm using Python 2.6. #!/usr/bin/env python def func(a,b,c): print a,b,c #Working: p={'c':3} func(1, b=2, c=3, ) #Working: func(1, b=2, **p,) #Broken: func(1, b=2, **p, )

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• Random strange behaviour on Google Maps v2

  - by fesja

  hi, I'm having a particular fight with Google Maps v2 on Chrome. The map is shown well on all browsers except Chrome, that without any particular reason, it does any of these things as you can see on the image: Moving the center to the south Showing the markers to the right, but if i move the map, they moved too to the next section of the map. Perfect I have the following javascript: if (GBrowserIsCompatible()) { var map = new GMap2(document.getElementById("map")); var bounds = new GLatLngBounds(); map.enableScrollWheelZoom(); map.addControl(new GSmallMapControl()); map.addControl(new GMapTypeControl()); map.removeMapType(G_HYBRID_MAP); var zoomout = 1; var pcenter_0 = new GLatLng(40.420300, -3.705770); var marker_0 = new GMarker(pcenter_0, {draggable: false}); map.addOverlay(marker_0); marker_0.bindInfoWindowHtml('info', {pixelOffset:new GSize(32,5), maxWidth:200} ); bounds.extend(marker_0.getPoint()); var pcenter_1 = new GLatLng(41.385719, 2.170050); var marker_1 = new GMarker(pcenter_1, {draggable: false}); map.addOverlay(marker_1); marker_1.bindInfoWindowHtml('', {pixelOffset:new GSize(32,5), maxWidth:200} ); bounds.extend(marker_1.getPoint()); var pcenter_2 = new GLatLng(48.856918, 2.341210); var marker_2 = new GMarker(pcenter_2, {draggable: false}); map.addOverlay(marker_2); marker_2.bindInfoWindowHtml('info', {pixelOffset:new GSize(32,5), maxWidth:200} ); bounds.extend(marker_2.getPoint()); var pcenter_3 = new GLatLng(37.779160, -122.420052); var marker_3 = new GMarker(pcenter_3, {draggable: false}); map.addOverlay(marker_3); marker_3.bindInfoWindowHtml('', {pixelOffset:new GSize(32,5), maxWidth:200} ); bounds.extend(marker_3.getPoint()); var pcenter_4 = new GLatLng(48.202541, 16.368799); var marker_4 = new GMarker(pcenter_4, {draggable: false}); map.addOverlay(marker_4); marker_4.bindInfoWindowHtml('', {pixelOffset:new GSize(32,5), maxWidth:200} ); bounds.extend(marker_4.getPoint()); zoomToBounds(zoomout); } function zoomToBounds(zoomout) { map.setCenter(bounds.getCenter()); var zoom = map.getBoundsZoomLevel(bounds)-zoomout; if(zoom < 1) zoom = 1; map.setZoom(zoom); map.checkResizeAndCenter(); } Do you have any idea or clue of what can be happening? It's very annoying to have this random javascript errors.. If you need more info, please ask! thanks! Update to add html code (before javascript) <div id="index_map"> <div id="map"></div> </div> I've aldo updated the markers code

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• Strange behaviour of NSString in NSView

  - by Mee

  Trying to create a Skat-Game, I encountered the following problem: isBidding is a Boolean value indicationg, the program is in a certain state, [desk selected] is a method calling returning the current selected player, chatStrings consists of dictionaries, saving strings with the player, who typed, and what he typed - (void)drawRect:(NSRect)rect { NSMutableDictionary * attributes = [NSMutableDictionary dictionary]; [attributes setObject:[NSFont fontWithName:playerFont size:playerFontSize] forKey:NSFontAttributeName]; [attributes setObject:playerFontColor forKey:NSForegroundColorAttributeName]; [[NSString stringWithFormat:@"Player %i",[desk selected] + 1]drawInRect:playerStringRect withAttributes:attributes]; if (isBidding) { [attributes setObject:[NSFont fontWithName:chatFont size:chatFontSize] forKey:NSFontAttributeName]; [attributes setObject:chatFontColor forKey:NSForegroundColorAttributeName]; int i; for (i = 0; i < [chatStrings count]; i++, yProgress -= 20) { if (isBidding) [[NSString stringWithFormat:@"Player %i bids: %@",[[[chatStrings objectAtIndex:i]valueForKey:@"Player"]intValue], [[chatStrings objectAtIndex:i]valueForKey:@"String"]] drawAtPoint:NSMakePoint([self bounds].origin.x, yProgress) withAttributes:attributes]; else [[NSString stringWithFormat:@"Player %i: %@",[[[chatStrings objectAtIndex:i]valueForKey:@"Player"]intValue], [[chatStrings objectAtIndex:i]valueForKey:@"String"]] drawAtPoint:NSMakePoint([self bounds].origin.x, yProgress) withAttributes:attributes]; } if (isBidding) [[NSString stringWithFormat:@"Player %i bids: %@",[desk selected] + 1, displayString] drawAtPoint:NSMakePoint([self bounds].origin.x, yProgress) withAttributes:attributes]; else [[NSString stringWithFormat:@"Player %i: %@",[desk selected] + 1, displayString] drawAtPoint:NSMakePoint([self bounds].origin.x, yProgress) withAttributes:attributes]; yProgress = chatFontBegin; } } This is the part determining the string's content, the string is contributed by an [event characters] method. -(void)displayChatString:(NSString *)string { displayString = [displayString stringByAppendingString:string]; [self setNeedsDisplay:YES]; } The problem if have is this: when typing in more than two letters the view displays NSRectSet{{{471, 574},{500, 192}}} and returns no more discription when I try to print it. then I get an EXC_BAD_ACCESS message, though I have not released it (as far as I can see) I also created the string with alloc and init, so I cannot be in the autorelease pool. I also tried to watch the process when it changes with the debugger, but I couldn't find any responsible code. As you can see I am still a beginner in Cocoa (and programming in general), so I would be really happy if somebody would help me with this.

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• Python line file iteration and strange characters

  - by muckabout

  I have a huge gzipped text file which I need to read, line by line. I go with the following: for i, line in enumerate(codecs.getreader('utf-8')(gzip.open('file.gz'))): print i, line At some point late in the file, the python output diverges from the file. This is because lines are getting broken due to weird special characters that python thinks are newlines. When I open the file in 'vim', they are correct, but the suspect characters are formatted weirdly. Is there something I can do to fix this? I've tried other codecs including utf-16, latin-1. I've also tried with no codec. I looked at the file using 'od'. Sure enough, there are \n characters where they shouldn't be. But, the "wrong" ones are prepended by a weird character. I think there's some encoding here with some characters being 2-bytes, but the trailing byte being a \n if not viewed properly. If I replace: gzip.open('file.gz') With: os.popen('zcat file.gz') It works fine (and actually, quite faster). But, I'd like to know where I'm going wrong.

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• IF Statement has strange behavior

  - by BSchlinker

  I've developed a 'custom' cout, so that I can display text to console and also print it to a log file. This cout class is passed a different integer on initialization, with the integer representing the verbosity level of the message. If the current verbosity level is greater then or equal to the verbosity level of the message, the message should print. The problem is, I have messages printing even when the current verbosity level is too low. I went ahead and debugged it, expecting to find the problem. Instead, I found multiple scenarios where my if statements are not working as expected. The statement if(ilralevel_passed <= ilralevel_set) will sometimes proceed even if ilralevel_set is LESS then ilralevel_passed. You can see this behavior in the following picture (my apologizes for using Twitpic) http://twitpic.com/1xtx4g/full. Notice how ilralevel_set is equal to zero, and ilralevel_passed is equal to one. Yet, the if statement has returned true and is now moving forward to pass the line to cout. I've never seen this type of behavior before and I'm not exactly sure how to proceed debugging it. I'm not able to isolate the behavior either -- it only occurs in certain parts of my program. Any suggestions are appreciated as always. // Here is an example use of the function: // ilra_status << setfill('0') << setw(2) << dispatchtime.tm_sec << endl; // ilra_warning << "Dispatch time (seconds): " << mktime(&dispatchtime) << endl; // Here is the 'custom' cout function: #ifndef ILRA_H_ #define ILRA_H_ // System libraries #include <iostream> #include <ostream> #include <sstream> #include <iomanip> // Definitions #define ilra_talk ilra(__FUNCTION__,0) #define ilra_update ilra(__FUNCTION__,0) #define ilra_error ilra(__FUNCTION__,1) #define ilra_warning ilra(__FUNCTION__,2) #define ilra_status ilra(__FUNCTION__,3) // Statics static int ilralevel_set = 0; static int ilralevel_passed; // Classes class ilra { public: // constructor / destructor ilra(const std::string &funcName, int toset) { ilralevel_passed = toset; } ~ilra(){}; // enable / disable irla functions static void ilra_verbose_level(int toset){ ilralevel_set = toset; } // output template <class T> ilra &operator<<(const T &v) { if(ilralevel_passed <= ilralevel_set) std::cout << v; return *this; } ilra &operator<<(std::ostream&(*f)(std::ostream&)) { if(ilralevel_passed <= ilralevel_set) std::cout << *f; return *this; } }; // end of the class #endif /* ILRA_H_ */

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• Strange IE7 behaviors(or not)

  - by c0mrade

  I see no reason why this shouldn't work in all browsers, here is my css for anchor tag : .myButton{ background:none repeat scroll 0 0 #FFFFFF; border:1px solid #D8DFEA !important; color:#3B5998; cursor:pointer; font-size:20px; padding:10px; } Here is how it looks in IE7 : And here is how it looks in other browsers : HTML is nothing unusual as well : <a href="#" class="myButton">Beta</a> All of this is inside table, this anchor html is wrapped around with : <tr> <td><a>...</a></td> <tr> I don't think this has to do it with anything but I mentioned it just in case, so the button is missing border top, any indications what might cause this?

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• Strange javascript decoding behavior in IE

  - by Yoni

  I run the following html snippet in IE8 and IE7 with non-English characters (we tried both Hebrew and Chinese), and the second link never works properly. The displayed text in the alert box is mangled. This occurs in IE8 and IE7, but not in firefox. It is not dependent on Windows's regional settings. Here is the html snippet (html header and footer omitted for brevity, the content-type is "text/html; charset=utf-8", and so is the response header): <p> <a href="javascript:alert('ab????ab')">link with English and Hebrew text</a> <a href="javascript:alert('ab%D7%A9%D7%9C%D7%95%D7%9Dab')">same text, url encoded</a> </p> Here is the alert box that pops up when clicking the second link: I know that the string for "????" is encoded as 8 bytes in utf-8, thus there are 8 %NN items, and there are also 8 weird characters in the alert box. The problem is, how can I make IE recognize that this is utf-8 encoding text, like firefox does?

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• Strange Google Maps v3 geocode behavior when a quote is in the address

  - by AlexV

  See my test page. When on the page, click the top left button "Geocode". If you are in Firefox, geocoder.geocode() will have it's status equal to ERROR (and pop an alert after a few seconds). In Internet Explorer (at least 7), everything is fine and the marker is added to the map. If you remove the quote from the address (l'Assomption -- lAssomption), everything execute fine in Firefox. Now with my question: how a quote can "crash" the Google Maps V3 API only in Firefox!?

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• Strange routing

  - by astropanic

  How I can setup my rails app to respond to such urls: http://mydomain.com/white-halogene-lamp http://mydomain.com/children-lamps http://mydomain.com/contact-form The first one should link to my products controller, and show my product with this name The second one should link to my categories controller, and show the category with this name The third one should link to my sites controller, and show the site with this title. All three models (product, category, site) have a method to_seo, giving the mentioned above urls (after the slash) I know it's not the restful way, but please don't disuss here, it is wrong approach or not, that's not the question. The question is how to accomplish this weird routing ? I know we have catch all routes, but how I can tell rails to use different controllers on different urls in the catch all route ? Or have You an better idea ? I would avoid redirects to other urls.

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• Simple time profiling - strange times

  - by Gacek

  I'm trying to profile my code to check how long it takes to execute some parts of my code. I've wrapped my most time-consuming part of the code in something like that: DateTime start = DateTime.Now; ... ... // Here comes the time-consuming part ... Console.WriteLine((DateTime.Now - start).Miliseconds); The program is executing this part of code for couple of seconds (about 20 s) but in console I get the result of something about 800 miliseconds. Why is that so? What am I doing wrong?

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• strange error in haskell about indentation of if-then-else

  - by Drakosha

  I have the following code: foo :: Int -> [String] -> [(FilePath, Integer)] -> IO Int foo _ [] _ = return 4 foo _ _ [] = return 5 foo n nameREs pretendentFilesWithSizes = do result <- (bar n (head nameREs) pretendentFilesWithSizes) if result == 0 then return 0 -- <========================================== here is the error else foo n (tail nameREs) pretendentFilesWithSizes I get an error on the line with the comment above, the error is: aaa.hs:56:2: parse error (possibly incorrect indentation) I'm working with emacs, there's no spaces, and i do not understand what did i do wrong.

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• Strange lambda expression

  - by Maurizio Reginelli

  What is the strangest use of lambda expressions you've ever seen or written in C#?

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• Strange beep when using cout

  - by Unknown

  Hello everyone, today when I was working on some code of mine I came across a beeping sound when printing a buffer to the screen. Here's the mysterious character that produces the beep: '' I don't know if you can see it, but my computer beeps when I try to print it like this: cout<<(char)7<<endl; Another point of interest is that the 'beep' doesn't originate from my on board beeper, but from my headphone/speaker Is this just my computer or there something wrong with the cout function? EDIT: But then why does printing this character produce the beep sound? does that mean that I could send other such characters through the cout function to produce different effects?

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• strange behavior

  - by lego69

  I wrote simple script test echo hello <-- inside test if I press one time enter after hello, my script will run, if I don't press - it will not, if two times I'll receive my hello and + command was not found, can somebody please explain me this behavior thanks in advance

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• ajax strange error with sending multiple parameter

  - by kawtousse

  hi everyone, please check with me where is the error in this ajax code to send 2 parameters: var xhr = getXhr(); // On défini ce qu'on va faire quand on aura la réponse xhr.onreadystatechange = function(){ // On ne fait quelque chose que si on a tout reçu et que le serveur est ok if(xhr.readyState == 4 && xhr.status == 200) { selects = xhr.responseText; // On se sert de innerHTML pour rajouter les options a la liste //document.getElementById('prjsel').innerHTML = selects; } }; xhr.open("POST","ServletEdition",true); xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded'); id=document.getElementById(idIdden).value; fu=document.getElementById("formUpdate").value; //alert(fu); var i=1; xhr.send("id=" +id+", fu="+i); i cant got the value of fu i don't know why. thanks

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