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• How do I check if a user is a fan of my facebook page on my website?

  - by Tony

  I want to check if my users are fans of my facebook page. I think something like this should do it: <script type="text/javascript" src="http://static.ak.connect.facebook.com/js/api_lib/v0.4/FeatureLoader.js.php/en_US"></script> <script type="text/javascript">FB.init("my api key","xd_receiver.htm");</script> <script type="text/javascript"> //<![CDATA[ FB_RequireFeatures(["Api"], function(){ var api = FB.Facebook.apiClient; api.pages_isFan(PAGE_ID,gigyaUser.FACEBOOK_USER_ID,function(response){ alert(response); }); }); //]]> </script> However, for some reason I keep getting null even though the user is in fact a fan of the page. Am I missing something?

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• Array of Objects

  - by James

  Complete and utter neophyte to Objective-C and the entire Mac platform so don't flame me please =). Basically I'm trying to create a simple game. The game has a board which I've created a class for and a board is comprised of squares which I also created a class for (board and square respectively). In my view controller I'm trying to instantiate a board and add boardSize^2 squares to said object. board contains an NSMutableArray *squares. I've also created a convenience method which sets an NSNumber *boardSize called initWithDimension. In my touchesBegan handler I have the following: board *game_board = [[board alloc] initWithDimension:10]; int size = [game_board.boardSize intValue]; for(int i = 0; i <= size; i++) { square *s = [[square alloc] init]; [game_board.squares addObject:s]; [s release]; } NSLog(@"%i", size); NSLog(@"%@", [game_board.squares objectAtIndex:0]); ...and I'm getting 10 (as expected) and then (null). This is probably glaringly obvious to an experienced developer, I've just struggled for an hour trying to solve it and have given up. I've tried it without the [s release] as well, same result. I've also imported square.h and board.h. Any ideas what's wrong here? Any other comments on what I'm brutalizing? Thanks.

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• How do I delete the next line in vim?

  - by Jason Baker

  In emacs, whenever I want to delete a few lines of text, I just use C-k until all the text is gone. However, in vim it seems a bit more complex. I know I can do d$ to delete until the end of the line and dd to delete the entire line I'm on, but how do I delete all of the next line?

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• putenv/setenv using substitutions

  - by vinaym

  I need user to define all the environment variables needed for my program in a text file as shown below. MyDLLPath = C:\MyDLLPath MyOption = Option1 PATH = %MyDLLPath%;%PATH%; In my program I read each line and call putenv with the string. Problem is that the environment substitutions (%MyDLLPath%) are not being expanded. I am guessing the following fix for that - Check each line for % characters.- Get the text between 2 consecutive % characters.- Call getenv using the text- Replace value obtained above into the line and then call putenv. Is there a better way to do it?

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• putenv/setenv using substitutions

  - by vinaym

  I need user to define all the environment variables needed for my program in a text file as shown below. MyDLLPath = C:\MyDLLPath MyOption = Option1 PATH = %MyDLLPath%;%PATH%; In my program I read each line and call putenv with the string. Problem is that the environment substitutions (%MyDLLPath%) are not being expanded. I am guessing the following fix for that 1. Check each line for % characters. 2. Get the text between 2 consecutive % characters. 3. Call getenv using the text from step 2. 4. Replace value obtained above into the line and then call putenv. Is there a better way to do it?

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• TextField instance inside a button Layer is null

  - by php html

  I've created an button object in flash. The button contains 2 layers. One is the background image and on top of it is a textField. The textfield is dynamic. I use the button inside a movieclip and I export it in a SWC. The I'm trying to use it in flex. I'm trying to do this: var myComponent:MyComponent = new MyComponent(); myComponent.button01.theTextField.text = "Caption"; I get and instance of the button, but the instance of the textField is null and I'm not able to change the text(but the default text appears onscreen). Does anyone has any idea what is wrong? Here is the button timeline(Layer 2 contains the textfield, and the textfield instance is named theTextField):

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• JPA @ManyToMany on only one side?

  - by Ethan Leroy

  I am trying to refresh the @ManyToMany relation but it gets cleared instead... My Project class looks like this: @Entity public class Project { ... @ManyToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER) @JoinTable(name = "PROJECT_USER", joinColumns = @JoinColumn(name = "PROJECT_ID", referencedColumnName = "ID"), inverseJoinColumns = @JoinColumn(name = "USER_ID", referencedColumnName = "ID")) private Collection<User> users; ... } But I don't have - and I don't want - the collection of Projects in the User entity. When I look at the generated database tables, they look good. They contain all columns and constraints (primary/foreign keys). But when I persist a Project that has a list of Users (and the users are still in the database), the mapping table doesn't get updated gets updated but when I refresh the project afterwards, the list of Users is cleared. For better understanding: Project project = ...; // new project with users that are available in the db System.out.println(project getUsers().size()); // prints 5 em.persist(project); System.out.println(project getUsers().size()); // prints 5 em.refresh(project); System.out.println(project getUsers().size()); // prints 0 So, how can I refresh the relation between User and Project?

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• Obtaining a list of files from a specific directory

  - by Steve Robathan

  I can get a list of files from a text file from a specific directory, but they are naturally in singles. I need to create a text file that will give the contents, but all in 1 line separated by a space. My batch is here: dir /a /b /-p /o:gen %USERPROFILE%\Desktop\file_list_full.txt As an example, this will give: Hello.exe Help.txt Big.png sound.ogg I need it to be: Hello.exe Help.txt Big.png sound.ogg How can I do this?

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• Unrecognised selector sent to instance uitableview

  - by ct2k7

  I'm getting error: Unrecognised selector sent to instance, upon inspection, I see there is an issue in this section of code, and more specifically: [self.tableView insertSubview:ovController.view aboveSubview:self.parentViewController.view]; - (void) searchBarTextDidBeginEditing:(UISearchBar *)theSearchBar { if(searching) return; //Add the overlay view. ovController = [[OverlayViewController alloc] initWithNibName:@"OverlayView" bundle:[NSBundle mainBundle]]; CGFloat yaxis = self.navigationController.navigationBar.frame.size.height; CGFloat width = self.view.frame.size.width; CGFloat height = self.view.frame.size.height; //Parameters x = origion on x-axis, y = origon on y-axis. CGRect frame = CGRectMake(0, yaxis, width, height); ovController.view.frame = frame; ovController.view.backgroundColor = [UIColor grayColor]; ovController.view.alpha = 0.5; ovController.rvController = self; [self.tableView insertSubview:ovController.view aboveSubview:self.parentViewController.view]; searching = YES; letUserSelectRow = NO; //self.tableView.scrollEnabled = NO; } Looks like there's an issue with tableview?

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• forcing a child component to resize itself larger than its container

  - by Josh

  I am creating a component that displays a variable amount of "gauges" (square tiles of content if you will), that is laid out like so: <HDividedBox id="container"> <VBox id="myComponent"> <HBox id="header"> ...header content... </HBox> <Tile id="body"> ...gauges are added to the body... </Tile> </Vbox> </HDividedBox> The body Tile has a horizontal direction. When I drag the HDividedBox to make myComponent smaller, the body component will get smaller as well, and eventually if there are too many gauges to fit horizontally, they will be bumped to the next row, and thus the smaller I make myComponent, the number of vertically stacked gauges grows. This is all well and good. The problem is, no matter what combination of settings I use, I absolutely cannot get the body (a Tile) to size itself beyond the size of myComponent, which would ideally cause myComponent to scroll vertically. Even setting the maxHeight of the body to some huge value, it will never size itself larger than it's container. Any ideas on how to accomplish this? Thanks

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• jQuery plugin, return value from function

  - by Marius

  Hello there, Markup: <input type="text" name="email" /> Code: $(':text').focusout(function(){ $(this).validate(function(){ $(this).attr('name'); }); }); Plugin: (function($){ $.fn.validate = function(type) { return this.each(function(type) { if (type == 'email') { matches = this.val().match('/.+@.+\..{2,7}/'); (matches != null) ? alert('valid') : alert('invalid'); } /*else if (type == 'name') { } else if (type == 'age') { } else if (type == 'text') { }*/ else { alert('total failure'); } }); }; })(jQuery); The problem is that when I execute the code above, it runs the plugin as if type was a string: "function(){ $(this).attr('name'); });" instead of executing it as a function. How do I solve this? Thank you for your time. Kind regards, Marius

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• CheckboxList not setting Selected with Viewstate disabled

  - by Earlz

  I have a CheckboxList that seems to load and do everything right, except for when I do a postback, it will not have the Item.Selected property set. I have viewstate disabled for the entire page. I load it like so(inside Page_Load on every load): foreach (DataRow service in d.Tables[0].Rows) { cblServices.Items.Add(new ListItem((string)service["description"], service["id"].ToString())); } My markup is simple: <asp:CheckBoxList runat="server" ID="cblServices" Width="300px"></asp:CheckBoxList> and then, I use basically something like this(in a _Click serverside event for a button) foreach(ListItem item in cblServices.Items){ if(item.Selected){ MyLabel.Text+="selected: "+item.Value+item.Text; } } and MyLabel never has any text added to it. I can verify with the debugger that it does reach the _Click's foreach loop, but no item is ever selected. What could be the cause of this?

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• How to create a CGBitmapContext which works for Retina display and not wasting space for regular display?

  - by ????

  Is it true that if it is in UIKit, including drawRect, the HD aspect of Retina display is automatically handled? So does that mean in drawRect, the current graphics context for a 1024 x 768 view is actually a 2048 x 1536 pixel Bitmap context? (is there a way to print this size out to verify it). We actually enjoy the luxury of 1 point = 4 pixels automatically handled for us. However, if we use CGBitmapContextCreate, then those will really be pixels, not points? (at least if we provide a data buffer for that bitmap, the size is not for the higher resolution, but for the standard resolution, and even if we pass NULL as the buffer so that CGBitmapContextCreate handles the buffer for us, the size probably is the same as if we pass in a data buffer, and it is just standard resolution, not Retina's resolution). We can always create 2048 x 1536 for iPad 1 and iPad 2 as well as the New iPad, but it will waste memory and processor and GPU power, as it is only needed for the New iPad. So do we have to use a if () { } else { } to create such a bitmap context and how do we actually do so? And all our code CGContextMoveToPoint has to be adjusted for Retina display to use x * 2 and y * 2 vs non-retina display of just using x, y as well? That can be quite messy for the code. (or maybe we can define a local variable scaleFactor and set it to 1 for standard resolution and 2 if it is retina, so our x and y will always be x * scaleFactor, y * scaleFactor instead of just x and y.) It seems that UIGraphicsBeginImageContextWithOptions can create one for Retina automatically if the scale of 0.0 is passed in, but I don't think it can be used if I need to create the context and keep it (and using ivar or property of UIViewController to hold it). If I don't release it using UIGraphicsEndImageContext, then it stays in the graphics context stack, so it seems like I have to use CGBitmapContextCreate instead. (or do we just let it stay at the bottom of the stack and not worry about it?)

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• Default Textbox Colors in Powerpoint 2007

  - by Ben

  How do i change defalut colors for a new Textbox in PowerPoint 2007? I am using a custom themed presentation template that someone gave me and every time I create a new text box it is white text on white background.

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• Cufon multiple fonts - How?

  - by Jared

  Hi, I am trying to implement 2 cufon fonts on the same page for the first time. Its not working. In the documentation this is provided as an example: <script src="Vegur_300.font.js" type="text/javascript"></script> <script src="Myriad_Pro_400.font.js" type="text/javascript"></script> <script type="text/javascript"> Cufon.replace('h1', { fontFamily: 'Vegur' }); Cufon.replace('h2', { fontFamily: 'Myriad Pro' }); </script> The thing I dont understand is - what is the link between fontFamily: 'Vegur' and the actual Vegur_300.font.js file? In other words, how does the browser know that 'Vegur' is that particular file? thanks in advance

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• Silverlight 4: ToolTipService

  - by xscape

  I can't scroll to my scrollviewer, it disappear when I move the mouse. Was it because it was just a tooltip? If yes, is there a way to scroll the text in my tooltip? <TextBlock TextWrapping="Wrap" Style="{StaticResource TextBlockWidthStyle}" Text="{Binding ExtendedDescription}" TextTrimming="WordEllipsis"> <ToolTipService.ToolTip> <ScrollViewer Width="310" VerticalScrollBarVisibility="Auto"> <TextBlock Text="{Binding ExtendedDescription}" Width="300" TextWrapping="Wrap"/> </ScrollViewer> </ToolTipService.ToolTip> </TextBlock>

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• I have problems printing from gedit in windows

  - by John C

  Gedit in linux works like a champ. For me, in two installations Gedit in Windows xp works well except that it will not print properly on HP laser jets or toshibas laser printers. It will make a 90 page project out of two pages of text composed in gedit. It puts one or two confused lines of text at the top of a sheet and then ejects the page. Any suggestions? jac

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• Flatten a PHP array

  - by deadkarma

  Say I have a form with these fields, and cannot rename them: <input type="text" name="foo[bar]" /> <input type="text" name="foo[baz]" /> <input type="text" name="foo[bat][faz]" /> When submitted, PHP turns this into an array: Array ( [foo] => Array ( [bar] => foo bar [baz] => foo baz [bat] => Array ( [faz] => foo bat faz ) ) ) What methods are there to convert or flatten this array into a data structure such as: Array ( [foo[bar]] => foo bar [foo[baz]] => foo baz [foo[bat][faz]] => foo bat faz )

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• A error about "Address 0x0 is not stack'd, malloc'd or (recently) free'd" in c program under linux

  - by MaiTiano

  There is a piece of my program: height = atoi(argv[3]); width = atoi(argv[2]); sprintf(seqName,"%s", argv[1]); // strcpy(seqName, argv[1]); After compiling it, a exe file test is generated, then I use Valgrind to check it. Then I got the following message, however I cannot understand what it tends to tell me. Can anyone provide some kind help, Thanks. 1 contexts (suppressed: 13 from 8) 1 contexts (suppressed: 13 from 8) jl@ubuntu:~/work/dsr_analysis$ valgrind --tool=memcheck --leak-check=yes ./test ==28940== Memcheck, a memory error detector ==28940== Copyright (C) 2002-2009, and GNU GPL'd, by Julian Seward et al. ==28940== Using Valgrind-3.6.0.SVN-Debian and LibVEX; rerun with -h for copyright info ==28940== Command: ./test ==28940== ==28940== Invalid read of size 1 ==28940== at 0x40260CA: strcpy (mc_replace_strmem.c:311) ==28940== by 0x804A5C6: main (me_search.c:1428) ==28940== Address 0x0 is not stack'd, malloc'd or (recently) free'd ==28940== ==28940== ==28940== Process terminating with default action of signal 11 (SIGSEGV) ==28940== Access not within mapped region at address 0x0 ==28940== at 0x40260CA: strcpy (mc_replace_strmem.c:311) ==28940== by 0x804A5C6: main (me_search.c:1428) ==28940== If you believe this happened as a result of a stack ==28940== overflow in your program's main thread (unlikely but ==28940== possible), you can try to increase the size of the ==28940== main thread stack using the --main-stacksize= flag. ==28940== The main thread stack size used in this run was 8388608. ==28940== ==28940== HEAP SUMMARY: ==28940== in use at exit: 0 bytes in 0 blocks ==28940== total heap usage: 0 allocs, 0 frees, 0 bytes allocated ==28940== ==28940== All heap blocks were freed -- no leaks are possible ==28940== ==28940== For counts of detected and suppressed errors, rerun with: -v ==28940== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 13 from 8)1 contexts (suppressed: 13 from 8) 1 contexts (suppressed: 13 from 8)

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• How to change column width of a table

  - by vybhav

  For the following code, I am not able to set the column size to a custom size. Why is it so?Also the first column is not being displayed. import java.awt.BorderLayout; import java.awt.GridLayout; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JTable; import javax.swing.table.TableColumn; public class Trial extends JFrame{ public void create(){ JPanel jp = new JPanel(); String[] string = {" ", "A"}; Object[][] data = {{"A", "0"},{"B", "3"},{"C","5"},{"D","-"}}; JTable table = new JTable(data, string); jp.setLayout(new GridLayout(2,0)); jp.add(table); table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF); TableColumn column = null; for (int i = 0; i < 2; i++) { column = table.getColumnModel().getColumn(i); column.setPreferredWidth(20); //custom size } setLayout(new BorderLayout()); add(jp); } public static void main(String [] a){ Trial trial = new Trial(); trial.setSize(300,300); trial.setVisible(true); trial.setDefaultCloseOperation(Trial.EXIT_ON_CLOSE); trial.create(); } }

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• validate dynamically added textbox

  - by Hulk

  In the below code how to validate for null values for only the dynamically added text box i.e,r_score1,r_score2......... <script> function validate() { //How to validate the r_Score.. textfields } $(document).ready(function() { for(var i=0;i< sen.length;i++) { row += '<input type="text" name="r_score'+i+'" id="r_score'+r_count+'" size="8" />'; } $('#details').append(row); }); </script> <div id="details"><input type="text" name="score' id="score" size="8" /></div> <input type="button" value="Save" id="print" onclick="javascript:validate();" />

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• PHP get url out of a string and some more...

  - by pnm123

  Hello, I have a string like this The theme song of whatever - http://www.anydomain.com/pop_new.php?sid=10623&aid=1581&rand=0.6808111508818073 #string And now, I need to do the following thing. Get the url from above string http://www.anydomain.com/pop_new.php?sid=10623&aid=1581&rand=0.6808111508818073 Replace the url to {%url%} so It should look like The theme song of whatever - {%url%} #string Currently I am using the following code but it fails to replace the above url. $urlregex_ = "(https?)\:\/\/[a-z0-9+\$_-]+(\.[a-z0-9+\$_-]+)*(\/([a-z0-9+\$_-]\.?)+)*\/?(\?[a-z+&\$_.-][a-z0-9;:@/&%=+\$_.-]*)?(#[a-z_.-][a-z0-9+\$_.-]*)?"; preg_match('~'.$urlregex_.'~',preg_replace('/\+/',' ',$url),$url_only); $url_ = preg_replace('/ /','+',$url_only[0]); $text = preg_replace('~'.$url_.'~','{%url%} ',$url); return array('url' => $url_only[0], 'text' => $text);` Hope you can help, thanks, pnm123

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• What is the real meaning of the "Select a language [for] non-Unicode programs..." dialog?

  - by Joshua Fox

  What is the real meaning of the "Select a language to match the language version of the non-Unicode programs you want to use" dialog under Control Panel-Regional Settings-Advanced in WinXP and Win2003? According to the dialog text, Windows will use this to display the resource strings such as menus. The treatment of text files is application-specific, so this setting will not affect that. But can I expect any other change in behavior from this setting? Any insights into what is really going wrong?

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• XSLT Sort Alphabetically & Numerically Problem

  - by Bryan

  I have a group of strings ie g:lines = '9,1,306,LUCY,G,89' I need the output to be: 1,9,89,306,G,LUCY This is my current code: <xsl:for-each select="$all_alerts[g:problem!='normal_service'][g:service='bus']"> <xsl:sort select="g:line"/> <xsl:sort select="number(g:line)" data-type="number"/> <xsl:value-of select="normalize-space(g:line)" /><xsl:text/> <xsl:if test="position()!=last()"><xsl:text>,&#160;</xsl:text></xsl:if> </xsl:for-each> I can get it to only display '1, 12, 306, 38, 9, G, LUCY' because the 2nd sort isn't being picked up. Anyone able help me out?

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• Combo box in a scrollable panel causing problems

  - by Dennis

  I have a panel with AutoScroll set to true. In it, I am programmatically adding ComboBox controls. If I add enough controls to exceed the viewable size of the panel a scroll bar appears (so far so good). However, if I open one of the combo boxes near the bottom of the viewable area the combo list isn't properly displayed and the scrollable area seems to be expanded. This results in all of the controls being "pulled" to the new bottom of the panel with some new blank space at the top. If I continue to tap on the drop down at the bottom of the panel the scrollable area will continue to expand indefinitely. I'm anchoring the controls to the left, right and top so I don't think anchoring is involved. Is there something obvious that could be causing this? Update: It looks like the problem lies with anchoring the controls to the right. If I don't anchor to the right then I don't get the strange behavior. However, without right anchoring the control gets cut off by the scroll bar. Here's a simplified test case I built that shows the issue: public Form1() { InitializeComponent(); Panel panel = new Panel(); panel.Size = new Size(80, 200); panel.AutoScroll = true; for (int i = 0; i < 10; ++i) { ComboBox cb = new ComboBox(); cb.Anchor = AnchorStyles.Left | AnchorStyles.Right | AnchorStyles.Top; cb.Items.Add("Option 1"); cb.Items.Add("Option 2"); cb.Items.Add("Option 3"); cb.Items.Add("Option 4"); cb.Location = new Point(0, i * 24); panel.Controls.Add(cb); } Controls.Add(panel); } If you scroll the bottom of the panel and tap on the combo boxes near the bottom you'll notice the strange behavior.

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