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• Scrapped HTML does not written at the beginning of text file.

  - by karikari

  Currently, I'm scraping the HTML code of a page, and write it to a txt file. My problem is, why there must be empty spaces or empty lines at the beginning? The HTML codes written to the txt file, seems does not start at the beginning of the txt file. Means, the '<' does not located at the position 0 of the txt file. After a few runs, my HTML is always written a few lines down inside the txt file. Can anyone tell me why : )

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• Waiting on multiple asynchronous calls to complete before continuing

  - by Chad

  So, I have a page that loads and through jquery.get makes several requests to populate drop downs with their values. $(function() { LoadCategories($('#Category')); LoadPositions($('#Position')); LoadDepartments($('#Department')); LoadContact(); }; It then calls LoadContact(); Which does another call, and when it returns it populates all the fields on the form. The problem is that often, the dropdowns aren't all populated, and thus, it can't set them to the correct value. What I need to be able to do, is somehow have LoadContact only execute once the other methods are complete and callbacks done executing. But, I don't want to have to put a bunch of flags in the end of the drop down population callbacks, that I then check, and have to have a recursive setTimeout call checking, prior to calling LoadContact(); Is there something in jQuery that allows me to say, "Execute this, when all of these are done."?

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• Cross browser div alignment using CSS

  - by Misha Moroshko

  What is the easiest way to align a div whose position is relative horizontally and vertically using CSS ? The width and the height of the div is unknown, i.e. it should work for every div dimension and in all major browsers. I thought to make the horizontal alignment using: margin-left: auto; margin-right: auto; like I did here. Is this a good cross browser solution for horizontal alignment ? How could I do the vertical alignment ?

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• Firefox Border Radius Not Showing

  - by Harry

  I am using the following css #helper{ position:absolute; bottom:0; width:100%; } #key{ width:950px; margin:0 auto; z-index:2; -moz-border-radius-topleft:8px; -moz-border-radius-topright:8px; } <-- inside body --> <div id="helper"> <div id="key">SHould be rounded top corners?</div> </div> Yet in Firefox it is not showing after refresh. Any ideas where should I be looking first? Thanks

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• How can I fix the scroll bug when using Windows rich edit controls in wxpython?

  - by ChrisD

  When using wx.TextCtl with the wx.TE_RICH2 option in windows, I get this strange bug with the auto-scroll when using the AppendText function. It scrolls so that all the text is above the visible area, which isn't very useful behaviour. I tried just adding a call to ScrollLines(-1) after appending the text - which does scroll it to the correct position - but this can lead to the window flashing when it auto-scrolls. So I'm looking for another way to automatically scroll to the bottom. So far, my solution is to bypass the AppendText functions auto-scroll and implement my own, like this: def append_text(textctrl, text): before_number_of_lines = textctrl.GetNumberOfLines() textctrl.SetInsertionPointEnd() textctrl.WriteText(text) after_number_of_lines = textctrl.GetNumberOfLines() textctrl.ScrollLines(before_number_of_lines - after_number_of_lines + 1) Is there a better way?

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• Effective methods for reading and writing large files in C

  - by Bertholt Stutley Johnson

  I'm writing an application that deals with very large user-generated input files. The program will copy about 95 percent of the file, effectively duplicating it and switching a few words and values in the copy, and then appending the copy (in chunks) to the original file, such that each block (consisting of between 10 and 50 lines) in the original is followed by the copied and modified block, and then the next original block, and so on. The user-generated input conforms to a certain format, and it is highly unlikely that any line in the original file is longer than 100 characters long. Which would be the better approach? a) To use one file pointer and use variables that hold the current position of how much has been read and where to write to, seeking the file pointer back and forth to read and write; or b) To use multiple file pointers, one for reading and one for writing. I am mostly concerned with the efficiency of the program, as the input files will reach up to 25,000 lines, each about 50 characters long. Thanks!

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• Footer height based on screen size

  - by o-logn

  Hi everyone, I would like to create a footer which is relative to the content (so not fixed), but fills the rest of the screen. So for example, on my larger monitor, the footer would start in the same place, but fill up 100px (for example). On a smaller monitor, it only needs to fill up 75px. I tried using 100%, but it causes the page to be really big and the user can scroll down and fill the entire screen with the footer. Is there a way to get it to be a bit more reasonable size, so that it just about fills the bottom of the screen? My current code is this: .footer { position:relative; //can't be fixed as content might overlap if extended height:100%; width:100%; //fill the entire screen horizontally bottom:0px; margin-top:345px; //used to make sure content doesn't overlap } Thanks for any ideas

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• django 'urlize' strings form text just like twitter

  - by dana

  heyy there i want to parse a text,let's name it 'post', and 'urlize' some strings if they contain a particular character, in a particular position. my 'pseudocode' trial would look like that: def urlize(post) for string in post if string icontains ('#') url=(r'^searchn/$', searchn, name='news_searchn'), then apply url to the string return urlize(post) i want the function to return to me the post with the urlized strings, where necessary (just like twitter does). i don't understand: how can i parse a text, and search for certain strings? is there ok to make a function especially for 'urlizing' some strings? The function should return the entire post, no matter if it has such kind of strings. is there another way Django offers? Thank you

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• How to transform (rotate) a already exist CALayer/animation?

  - by Flocked

  Hello, I have added a CALayer to the UIView of my app: CATransition *animation = [CATransition animation]; [animation setDelegate:self]; [animation setDuration:0.35]; [animation setTimingFunction:UIViewAnimationCurveEaseInOut]; animation.type = @"pageCurl"; animation.fillMode = kCAFillModeForwards; animation.endProgress = 0.58; [animation setRemovedOnCompletion:NO]; [[self.view layer] addAnimation:animation forKey:@"pageCurlAnimation"]; Now when the user rotates the device, the layer always stays in the same position on the screen (in line to the homescreen button). Is it possible to rotate the animation/layer? I tried self.view.layer.transform = CGAffineTransformMakeRotation (angle); but this code just rotates the UIView and not the animation/layer I set.

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• Oracle: Use of notational parameters which calling functions in insert statements not allowed ?

  - by Sathya

  Why does Oracle 10 R2 not allow use of notational parameters while calling functions in insert statements ? In my app, I'm calling a function in an insert statement. If use notational method of parameter passing, I get an ORA-00907: Missing right parenthesis error message INSERT INTO foo (a, b, c) VALUES (c, F1(P1=>'1', P2=>'2', P3 => '3'), e) Changing the same to position based parameter passing, and the same code gets compiled with no errors. INSERT INTO foo (a, b, c) VALUES (c, F1('1','2','3'), e) Why is this so ?

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• JTextPane insert component, faulty vertical alignment

  - by John O

  I have a JTextPane, into which I need to insert a JComponent. I'm using JTextPane.insertComponent(Component). The item is indeed inserted, but the vertical positioning is too high. Instead of having the bottom of the component aligned with the baseline of the current line of text, the component is way above that position, blocking out/over-painting lines of text appearing above. I have tried calling setAlignmentY(float) with various values, on both the inserted component and the JTextPane, but it doesn't affect the behavior at all. My guess: there seems to be some state inside my JTextPane or its Document that I need to be changing. But I don't know what it is. John

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• Positioning elements outside an Activity on Android

  - by Aleksander Kmetec

  Is there a way to absolutely position an UI element on Android so that it is located outside an Activity? For example: can you create a fullscreen ImageView simply by moving/resizing an ImageView inside an existing regular Activity instead of creating a new fullscreen activity? EDIT: Re-reading my question I see I wasn't very clear about what I'm trying to accomplish. I'd like to temporarily extend an element to cover the notification bar at the top of the screen. I need to create a semitranslucent fullscreen overlay but since translucent activities cannot cover the notification bar I'm trying to find out if it's possible for an element to break out of activity's bounds and resize itself to fill the whole screen, top to bottom.

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• CSS: semi-transparent background, but not text

  - by Stijn Sanders

  Is there a way in CSS to make the background of an element semi-transparent, but still have the text of the element non-transparent? (Without separating the text and background in two elements positioned over eachother.) I've tried <p style="position:absolute;background-color:green;filter:alpha(opacity=60);opacity:.6;"><span style="color:white;filter:alpha(opacity=100);opacity:1;">Hello world</span></p> But it looks like child elements are subjected to the opacity of their parent(s), so 'opacity:1' is still drawn as 'opacity:.6' from the parent.

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• C# Excel Exception

  - by Andrew James Watt

  I am trying to copy all data from worksheet1 and paste the values into worksheet2 at the same position I am using office 2003 and the Interlop library. Here is my code; public void CreateExcelWorksheet() { Microsoft.Office.Interop.Excel.Application xlApp = new Microsoft.Office.Interop.Excel.Application(); if (xlApp == null) { Console.WriteLine("EXCEL could not be started. Check that your office installation."); return; } xlApp.Visible = true; Workbook wb = xlApp.Workbooks.OpenXML(@"C:\XML_Export.xml", Type.Missing, 2); Worksheet worksheet1 = wb.Worksheets[1] as Worksheet; Worksheet worksheet2 = wb.Worksheets[2] as Worksheet; worksheet1.UsedRange.Copy(Type.Missing); worksheet2.PasteSpecial(Microsoft.Office.Interop.Excel.XlPasteType.xlPasteValues, false, false, Type.Missing, Type.Missing, Type.Missing, Type.Missing); } For some reason after the paste command the following exception occurs: Exception from HRESULT: 0x800A03EC Could anyone help?

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• Looping through an array to remove a touched object (iPhone/Cocos2d)

  - by Michael Lowe

  I am using cocos2d to build a game. I have an array of CCSprites and I want to be able to touch them and delete the one that was touched. Right now I have this... -(void) spawn { mySprite = [CCSprite spriteWithFile:@"image.png"]; mySprite.position = ccp(positionX,positionY); [myArray addObject:mySprite]; [self addChild:mySprite]; } - (void) ccTouchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { UITouch* touch = [touches anyObject]; CGPoint location = [touch locationInView: [touch view]]; NSUInteger i, count = [myArray count]; for (i = 0; i < count; i++) { mySprite = (CCSprite *)[myArray objectAtIndex:i]; if (CGRectContainsPoint([mySprite boundingBox], location)) { [self removeChild:mySprite cleanup:YES]; } } I have never done this before. Does anyone have a solution? Thanks, Michael

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• Scan from last instance of character to end of string using NSScanner

  - by Virgil Disgr4ce

  Given a string such as: "new/path - path/path/03 - filename.ext", how can I use NSScanner (or any other approach) to return the substring from the last "/" to the end of the string, i.e., "03 - filename.ext"? The code I've been trying to start with is: while ([fileScanner isAtEnd] == NO){ slashPresent = [fileScanner scanUpToString:@"/" intoString:NULL]; if (slashPresent == YES) { [fileScanner scanString:@"/" intoString:NULL]; lastPosition = [fileScanner scanLocation]; } NSLog(@"fileScanner position: %d", [fileScanner scanLocation]); NSLog(@"lastPosition: %d", lastPosition); } ...and this results in a seg fault after scanning to the end of the string! I'm not sure why this isn't working. Ideas? Thanks in advance!

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• Browser mode and document mode in IE9

  - by Ozzone

  I use the Developer Tools in IE9 to switch between IE7, 8 & 9 Browser Modes for testing markup & CSS. I use following combinations. IE7 Browser Mode + Document mode IE7 Standards IE8 Browser Mode + Document mode IE8 Standards IE9 Browser Mode + Document mode IE9 Standards But, if i use following combination, few design's position issues are occured. IE9 Browser Mode + IE7 Standards Is the above combination valid? or Does i need to change Document mode forcefully?

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• Disable animation when moving CALayers

  - by Sean Clark Hess

  The following code animates the movement, even though I didn't use beginAnimations:context. How do I get it to move without animating? This is a new iphone view project, and these are the only updates to it. // Implement viewDidLoad to do additional setup after loading the view, typically from a nib. - (void)viewDidLoad { [super viewDidLoad]; sublayer = [CALayer new]; sublayer.backgroundColor = [[UIColor redColor] CGColor]; sublayer.frame = CGRectMake(0, 0, 100, 100); [self.view.layer addSublayer:sublayer]; } - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event { sublayer.position = [[touches anyObject] locationInView:self.view]; }

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• footer bar like facebook - css

  - by Jean

  Hello, I want to create a footer like facebook, that sticks at the bottom of the page, irrespective of the scroll. <div id="footer"></div> and here is the css style #footer{ position:absolute; left:0px; margin-bottom:0px; vertical-align:bottom; bottom:0px; width:100%; height:25px; background-color:#dfd5d7; overflow:hidden; } It comes fine, when I resize the browser window it does not stick to the bottom but a about 50 pixels up. Any solutions. Thanks Jean

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• get location(lat/long) without gps just like my location feature of google maps

  - by Suriyan Suresh

  Get location(lat/long) without GPS, just like my location feature in Google maps. I have Google Maps in my mobile (Sony Ericsson G502 without GPS). It works fine without GPS in India. 1.How Google finds my position? 2. When i am searching cellid in opencellid database, it has less number of records for India. but Google Maps works fine in my mobile(India) 3.Is Google uses opencellid database or its own?. if Google uses its own, shall we have access to it database

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• overlay text on some else's window - HUD

  - by taglius

  I am interested in writing an app that overlays a small heads up display (HUD) over another application, in VB.NET. Does anyone have an example of this? I will need to enumerate all open windows to find the window that I want, and then overlay some text in a specific position on the window. If the user moves that window, my text will need to follow. (I will probably be painting the text in a loop over and over). Edit: nobody answered my original query - I added C# to the keywords to see if any of gurus in that language might have an answer. thanks.

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• Capture String from Array, C#

  - by Dan Snyder

  I'm trying to figure out how to get a string from an array starting at some given position. Say we have an array that's arbitrarily long and my string starts at location 1000. If I wanted to get a string from a file I would simply use something like getc or scanf or something. How do I carry out these same functions on an array instead of a file? *oh, keep in mind that the array is of type int and is full of numerical representations of ASCII characters.

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• C++ template class error with operator ==

  - by Tommy

  Error: error C2678: binary '==' : no operator found which takes a left-hand operand of type 'const entry' (or there is no acceptable conversion) The function: template <class T, int maxSize> int indexList<T, maxSize>::search(const T& target) const { for (int i = 0; i < maxSize; i++) if (elements[i] == target) //ERROR??? return i; // target found at position i // target not found return -1; } indexList.h indexList.cpp Is this suppose to be an overloaded operator? Being a template class I am not sure I understand the error? Solution- The overload function in the class now declared const: //Operators bool entry::operator == (const entry& dE) const <-- { return (name ==dE.name); }

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• What is the modern eqivalent (C++) style for the older (C-like) fscanf method?

  - by Chris_45

  What is the best option if I want to "upgrade" old C-code to newer C++ when reading a file with a semicolon delimiter: /* reading in from file C-like: */ fscanf(tFile, "%d", &mypost.nr); /*delimiter ; */ fscanf(tFile, " ;%[^;];", mypost.aftername);/* delimiter ; */ fscanf(tFile, " %[^;]", mypost.forename); /*delimiter ; */ fscanf(tFile, " ;%[^;];", mypost.dept);/*delimiter ; */ fscanf(tFile, " %[^;];", mypost.position);/* delimiter ; */ fscanf(tFile, "%d", &mypost.nr2); //eqivalent best C++ method achieving the same thing?

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• [C#] Async threaded tcp server

  - by mark_dj

  I want to create a high performance server in C# which could take about ~10k clients. Now i started writing a TcpServer with C# and for each client-connection i open a new thread. I also use one thread to accept the connections. So far so good, works fine. The server has to deserialize AMF incoming objects do some logic ( like saving the position of a player ) and send some object back ( serializing objects ). I am not worried about the serializing/deserializing part atm. My main concern is that I will have a lot of threads with 10k clients and i've read somewhere that an OS can only hold like a few hunderd threads. Are there any sources/articles available on writing a decent async threaded server ? Are there other possibilties or will 10k threads work fine ? I've looked on google, but i couldn't find much info about design patterns or ways which explain it clearly

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