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  • Database design for sharing photos site?

    - by javaLearner.java
    I am using php and mysql. If I want to do a sharing photos website, whats the best database design for upload and display photos. This is what I have in mind: domain: |_> photos |_> user Logged in user will upload photo in [http://www.domain.com/user/upload.php] The photos are stored in filesystems, and the path-to-photos stored in database. So, in my photos folder would be like: photos/userA/subfolders+photos, photos/userB/subfolders+photos, photos/userC/subfolders+photos etc Public/others people may view his photo in: [http://www.domain.com/photos/user/?photoid=123] where 123 is the photoid, from there, I will query from database to fetch the path and display the image. My questions: Whats the best database design for photo-sharing website (like flickr)? Will there be any problems if I keep creating new folder in "photos" folder. What if hundreds of thousands users registered? Whats the best practices What size of photos should I keep? Currently I only stored thumbnail (100x100) and (max) 1600x1200 px photos. What others things I should take note when developing photos-sharing website?

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  • How to determine an invalid CFSocket

    - by Chris
    Hi Everyone, how can I avoid, to send data via CFSocketSendData to an invalid socket? I've try to determine the socket state with CFSockerIsValid, but this method returns still true when the other side is close. So how can I determine if the socket is valid? In order so avoid Errors. Thank Chris

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  • problem with ajax on the hosting server

    - by nelly
    when I Implemented chatting Function , I use Ajax to send messages between file to another . so , it is working well on local host . but , when I upload it in to remote server it doesn't work. can U tell me ,why ? is an Ajax need Special configuration ? there is my files that I used : Ajax .js file witch has "ajax_send" function that i used in chatbox.js file chatbox.js file wich consest of functions i used it to send data from php file to another one and it display the state (any user sign in or new sending message and so on ..) user.php file whitch responseble to write user name in the text file usersonline.txt and then display the online users in the online users column. send.php file that write on room1.text recive.php file that read room1.txt and then write the content into the chat box I beleve that the problem comes from the ajax code in Ajax.js File so please help me find out the problem and how to solve it. is ajax needs special server settings ? because it was working at the local host !

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  • Problem filling Django template in googleappengine Loader

    - by googleappenginenewbie
    I am trying to test a googleapengine project locally, but am getting errors loading templates: My settings.py contains TEMPLATE_LOADERS with Loader wrappers: e.g. django.template.loaders.filesystem.Loader but there is no Loader wrapper class in the bundled filesystem.py file within xx/google_appengine/lib/django/django/template/loaders/ so I'm getting this error: Exception Type: ImproperlyConfigured Exception Value: Module "django.template.loaders.filesystem" does not define a "Loader" callable template source loader Exception Location: in xxxx/google_appengine/lib/django/django/template/loader.py in find_template_source, line 60

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  • Best way to pass image to server?

    - by Chris
    I have an SL3 application that needs to be able to pass an image to the server, and then the server will generate a PDF file with the image in it, and display it to the user. What I already have in place are the following: (1) Code to convert image to byte array (2) Code to generate PDF file with image The main problem that I am running into is the following: In order to bypass the pop-up blocker, which is a requirement for my application, I am using the following code: var button = new NavigationButton(); button.NavigateUri = new Uri("http://localhost:3616/PrintReport.aspx?ReportIndex=11&ActionType=Get&ReportIdentifier=" + reportIdentifier.ToString() + ""); button.TargetName = "_blank"; button.PerformClick(); Initially, I would pass the image to a WCF web service (as a byte array), and then "navigate" to the ASP.NET page that would display the report. However, if I do this, then I can not use my custom HyperlinkButton class, and, certain browsers, including Safari, will block a new window from opening up. Therefore, it appears that the only option is to use the HyperlinkButton class. What I need to be able to do is to somehow pass the image, as a byte array or some other data type, to the server, such that it can temporarily store the image, even if it is in a server variable, and then immediately retrieve it when I navigate to the PrintReport.aspx page. If I upload the image to an ASP.NET form and then use the HyperlinkButton class to navigate to the PrintReport page, it doesn't work, as the app navigates to the PrintReport page before the system has finished uploading the image. I can't pass it to a web service, as that would require that I navigate to the PrintReport.aspx page in the callback code of the web method that I would be passing the image to, and the HyperlinkButton will not allow that, based on security rules. Any help or ideas would be appreciated. Thanks. Chris

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  • Why is iPdb not displaying STOUT after my input?

    - by BryanWheelock
    I can't figure out why ipdb is not displaying stout properly. I'm trying to debug why a test is failing and so I attempt to use ipdb debugger. For some reason my Input seems to be accepted, but the STOUT is not displayed until I (c)ontinue. Is this something broken in ipdb? It makes it very difficult to debug a program. Below is an example ipdb session, notice how I attempt to display the values of the attributes with: user.is_authenticated() user_profile.reputation user.is_superuser The results are not displayed until 'begin captured stdout ' In [13]: !python manage.py test Creating test database... < SNIP remove loading tables nosetests ...E.. /Users/Bryan/work/APP/forum/auth.py(93)can_retag_questions() 92 import ipdb; ipdb.set_trace() ---> 93 return user.is_authenticated() and ( 94 RETAG_OTHER_QUESTIONS <= user_profile.reputation < EDIT_OTHER_POSTS or user.is_authenticated() user_profile.reputation user.is_superuser c F /Users/Bryan/work/APP/forum/auth.py(93)can_retag_questions() 92 import ipdb; ipdb.set_trace() ---> 93 return user.is_authenticated() and ( 94 RETAG_OTHER_QUESTIONS <= user_profile.reputation < EDIT_OTHER_POSTS or c .....EE...... FAIL: test_can_retag_questions (APP.forum.tests.test_views.AuthorizationFunctionsTestCase) Traceback (most recent call last): File "/Users/Bryan/work/APP/../APP/forum/tests/test_views.py", line 71, in test_can_retag_questions self.assertTrue(auth.can_retag_questions(user)) AssertionError: -------------------- begin captured stdout << --------------------- ipdb True ipdb 4001 ipdb False ipdb --------------------- end captured stdout << ---------------------- Ran 20 tests in 78.032s FAILED (errors=3, failures=1) Destroying test database... In [14]: Here is the actual test I'm trying to run: def can_retag_questions(user): """Determines if a User can retag Questions.""" user_profile = user.get_profile() import ipdb; ipdb.set_trace() return user.is_authenticated() and ( RETAG_OTHER_QUESTIONS <= user_profile.reputation < EDIT_OTHER_POSTS or user.is_superuser) I've also tried to use pdb, but that doesn't display anything. I see my test progress .... , and then nothing and not responsive to keyboard input. Is this a problem with readline?

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  • boost smart pointers and BOOST_NO_MEMBER_TEMPLATES

    - by Johann Gerell
    After some struggling I managed to get boost smart pointers to build for Windows CE/Mobile at warning level 4. I found the least-resistance-way to get rid of compile errors and warnings to be #define BOOST_NO_MEMBER_TEMPLATES What does it actually mean? Did I sell my soul to the devil? Will all hell break loose when I actually use the types?

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  • Re-Convert timestamp DATE back to original format (when editing) PHP MySQL

    - by Jess
    Ok so I have managed to get the format of the date presented in HTML (upon display) to how I want (dd/mm/yyy)...However, the user also can change the date via a form. So this is how it's setup as present. Firstly, the conversion from YYYY-MM-DD to DD/MM/YYYY and then display in HTML: $timestamp = strtotime($duedate); echo date('d/m/Y', $timestamp); Now when the user selects to update the due date, the value already stored value is drawn up and presented in my text field (using exactly the same code as above).. All good so far. But when my user runs the update script (clicks submit), the new due date is not being stored, and in my DB its seen as '0000-00-00'. I know I need to convert it back to the correct format that MySQL wants to have it in, in order for it to be saved, but I'm not sure on how to do this. This is what I have so far in my update script (for the due date): $duedate = $_POST['duedate']; $timestamp = strtotime($duedate); date('Y/m/d', $timestamp); $query = "UPDATE films SET filmname= '".$filmname."', duedate= '".$duedate; Can somebody please point me in the right direction to have the new date, when processed, converted back to the accepted format by MySQL. I appreciate any help given! Thanks.

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  • How to clear Jquery validation error messages ?

    - by Yashwant Chavan
    Hi, I am using jquery validation plugin for client side validation. but i want to clear error mesages on my form clear button editUser() is called on click of Edit User button. clear button having separated function clearUser(){ // Need to clear previous errors here } function editUser(){ var validator = $("#editUserForm").validate({ rules: { userName: "required" }, errorElement: "span" , messages: { userName: errorMessages.E2 } }); if(validator.form()){ // form submition code } } Thanks

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  • How do you keep track of your thought process ?

    - by Johnny Blaze
    I find it very hard to answer question like : "why did you implemented it this way?" or "what's the reason of using that instead of that?" usually because the implementation is the result of a long thought process and trials and errors. By the time i'm finished i can't recall every specific details. I wanted to know if you have some tips to keep track of your thought process and answer those question easily.

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  • Java Simple Calculator

    - by Lahiru Kavinda
    I have made this calculator program in Java. This works well only when two numbers are calculated at one time. That means to get the sum of 1+2+3 you have to go this way : press 1 press + press 2 press = press + press 3 press = and it calculates it as 6. But I want to program this so that I can get the answer by: press 1 press + press 2 press + press 3 press = but this gives the answer 5!!! How to code this so that it works like an ordinary calculator? Here is my code: import java.awt.*; import java.awt.event.*; import javax.swing.*; public class cal1 extends JFrame { double op1 = 0d, op2 = 0d; double result = 0d; char action; boolean b = false; boolean pressequal = false; public cal1() { makeUI(); } private void makeUI() { setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setSize(400, 400); b0 = new JButton("0"); b1 = new JButton("1"); b2 = new JButton("2"); b3 = new JButton("3"); b4 = new JButton("4"); b5 = new JButton("5"); b6 = new JButton("6"); b7 = new JButton("7"); b8 = new JButton("8"); b9 = new JButton("9"); bDot = new JButton("."); bMul = new JButton("*"); bDiv = new JButton("/"); bPlus = new JButton("+"); bMinus = new JButton("-"); bEq = new JButton("="); t = new JTextField(12); t.setFont(new Font("Tahoma", Font.PLAIN, 24)); t.setHorizontalAlignment(JTextField.RIGHT); numpad = new JPanel(); display = new JPanel(); numpad.add(b7); numpad.add(b8); numpad.add(b9); numpad.add(bMul); numpad.add(b4); numpad.add(b5); numpad.add(b6); numpad.add(bDiv); numpad.add(b1); numpad.add(b2); numpad.add(b3); numpad.add(bMinus); numpad.add(bDot); numpad.add(b0); numpad.add(bEq); numpad.add(bPlus); numpad.setLayout(new GridLayout(4, 5, 5, 4)); display.add(t); add(display, BorderLayout.NORTH); add(numpad, BorderLayout.CENTER); t.addKeyListener(new KeyAdapter() { @Override public void keyTyped(KeyEvent e) { typeOnt(e); } }); b0.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { b0pressed(e); } }); b1.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { b1pressed(e); } }); b2.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { b2pressed(e); } }); b3.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { b3pressed(e); } }); b4.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { b4pressed(e); } }); b5.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { b5pressed(e); } }); b6.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { b6pressed(e); } }); b7.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { b7pressed(e); } }); b8.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { b8pressed(e); } }); b9.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { b9pressed(e); } }); bDot.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { bDotpressed(e); } }); bPlus.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { bPlusPressed(e); } }); bMinus.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { bMinusPressed(e); } }); bMul.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { bMulPressed(e); } }); bDiv.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { bDivPressed(e); } }); bEq.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { bEqpressed(e); } }); } void typeOnt(KeyEvent e) { e.consume(); } void b0pressed(ActionEvent e) { if (b) { t.setText(null); b = false; t.setText(t.getText() + "0"); } else { t.setText(t.getText() + "0"); } } void b1pressed(ActionEvent e) { if (b) { t.setText(null); b = false; t.setText(t.getText() + "1"); } else { t.setText(t.getText() + "1"); } } void b2pressed(ActionEvent e) { if (b) { t.setText(null); b = false; t.setText(t.getText() + "2"); } else { t.setText(t.getText() + "2"); } } void b3pressed(ActionEvent e) { if (b) { t.setText(null); b = false; t.setText(t.getText() + "3"); } else { t.setText(t.getText() + "3"); } } void b4pressed(ActionEvent e) { if (b) { t.setText(null); b = false; t.setText(t.getText() + "4"); } else { t.setText(t.getText() + "4"); } } void b5pressed(ActionEvent e) { if (b) { t.setText(null); b = false; t.setText(t.getText() + "5"); } else { t.setText(t.getText() + "5"); } } void b6pressed(ActionEvent e) { if (b) { t.setText(null); b = false; t.setText(t.getText() + "6"); } else { t.setText(t.getText() + "6"); } } void b7pressed(ActionEvent e) { if (b) { t.setText(null); b = false; t.setText(t.getText() + "7"); } else { t.setText(t.getText() + "7"); } } void b8pressed(ActionEvent e) { if (b) { t.setText(null); b = false; t.setText(t.getText() + "8"); } else { t.setText(t.getText() + "8"); } } void b9pressed(ActionEvent e) { if (b) { t.setText(null); b = false; t.setText(t.getText() + "9"); } else { t.setText(t.getText() + "9"); } } void bDotpressed(ActionEvent e) { if (!t.getText().contains(".")) { if (b) { t.setText(null); b = false; t.setText(t.getText() + "0."); } else if (t.getText().isEmpty()) { t.setText("0."); } else { t.setText(t.getText() + "."); } } } void bPlusPressed(ActionEvent e) { b = true; action = '+'; op1 = Double.parseDouble(t.getText()); } void bMinusPressed(ActionEvent e) { b = true; action = '-'; op1 = Double.parseDouble(t.getText()); } void bMulPressed(ActionEvent e) { b = true; action = '*'; op1 = Double.parseDouble(t.getText()); } void bDivPressed(ActionEvent e) { b = true; action = '/'; op1 = Double.parseDouble(t.getText()); } void bEqpressed(ActionEvent e) { op2 = Double.parseDouble(t.getText()); doCal(); } void doCal() { switch (action) { case '+': result = op1 + op2; break; case '-': result = op1 - op2; break; case '*': result = op1 * op2; break; case '/': result = op1 / op2; break; } t.setText(String.valueOf(result)); } public static void main(String[] args) { new cal1().setVisible(true); } JButton b0; JButton b1; JButton b2; JButton b3; JButton b4; JButton b5; JButton b6; JButton b7; JButton b8; JButton b9; JButton bDot; JButton bPlus; JButton bMinus; JButton bMul; JButton bDiv; JButton bEq; JPanel display; JPanel numpad; JTextField t; }

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  • How can UISearchDisplayController autorelease cause crash in a different view controller?

    - by Tofrizer
    Hi, I have two view controllers A and B. From A, I navigate to view controller B as follows: // in View Controller A // navigateToB method -(void) navigateToB { BViewController *bViewController = [[BViewController alloc] initWithNibName: @"BView" bundle:nil]; bViewController.bProperty1 = SOME_STRING_CONSTANT; bViewController.title = @"A TITLE OF A VC's CHOOSING"; [self.navigationController pushViewController: bViewController animated:YES]; [bViewController release]; //<----- releasing 0x406c1e0 } In BViewController, the property bPropery1 is defined with copy as below (note, B also contains UITableView and other properties): @property (nonatomic, copy) NSString *bProperty1; Everything appeared to work fine when navigating back and forth between A and B. That is until I added a UISearchDisplayController to the table view contained in BViewController. Now when I navigate out of B, back to A, the app crashes. Stack trace shows what looks the search display controller being autoreleased at time of crash: #0 0x009663a7 in ___forwarding___ #1 0x009426c2 in __forwarding_prep_0___ #2 0x018c8539 in -[UISearchDisplayController _destroyManagedTableView] #3 0x018c8ea4 in -[UISearchDisplayController dealloc] #4 0x00285ce5 in NSPopAutoreleasePool NSZombies shows: -[BViewController respondsToSelector:]: message sent to deallocated instance 0x406c1e0 And malloc history on this points to the bViewController already released in A's navigateToB method above: Call [2] [arg=132]: thread_a065e720 |start ... <snip> ..._sendActionsForEvents:withEvent:] | -[UIControl sendAction:to:forEvent:] | - [UIApplication sendAction:to:from:forEvent:] | -[**AViewController navigateToB**] | +[NSObject alloc] | +[NSObject allocWithZone:] | _internal_class_createInstance | _internal_class_createInstanceFromZone | calloc | malloc_zone_calloc Can someone please give me any ideas on what is happening here? In navigateToB method, once the bViewController is released (after pushViewController), that's should be it for bViewController. Nothing else even knows about it as it is local to the navigateToB method block and it has been released. When navigating from B back to A, nothing is invoked in viewDidLoad, viewWillAppear etc that will re-enter navigateToB. It looks like somehow search display controller has a reference to something in my AViewController and so as it is autoreleased it is taking this "something" down with it but I cannot understand how this is possible, especially as I'm using copy to pass data between A and B. I'm going potty over this. I'm sure this is my mistake somewhere and so I turn to you, Stack Overflow legends for any words of wisdom or advice on how to resolve this. Many Thanks.

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  • Making a COM dll to be invoked from c#, HRESULT error handling?

    - by Daniel
    I'm making a COM interface that c# will be using, however i am wondering how i am to check for errors and exception handling on the c# end as at the moment i am just returning a HRESTULT or bool for most methods. But several things can go wrong in some of these methods and returning a E_FAIL just doesn't cut it. What can i do in order to return more information? Can i make a HRESULT of my own?

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  • How do you configure jax-ws to work with Spring using jax-ws commons?

    - by LES2
    In web.xml I have the following: <servlet> <description>JAX-WS endpoint - EARM</description> <display-name>jaxws-servlet</display-name> <servlet-name>jaxws-servlet</servlet-name> <servlet-class>com.sun.xml.ws.transport.http.servlet.WSSpringServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>jaxws-servlet</servlet-name> <url-pattern>/webServices/*</url-pattern> </servlet-mapping> In my application context I have the following definitions: <bean id="helloService" class="com.foo.HelloServiceImpl"> <property name="regularService" ref="regularService" /> </bean> <wss:binding url="/webServices/helloService" service="#helloService" /> I get a NullPointerException when trying to access the WSDL: java.lang.NullPointerException at com.sun.xml.ws.transport.http.HttpAdapter.<init>(HttpAdapter.java:145) at com.sun.xml.ws.transport.http.servlet.ServletAdapter.<init>(ServletAdapter.java:76) at com.sun.xml.ws.transport.http.servlet.ServletAdapterList.createHttpAdapter(ServletAdapterList.java:5 0) at com.sun.xml.ws.transport.http.servlet.ServletAdapterList.createHttpAdapter(ServletAdapterList.java:4 7) at com.sun.xml.ws.transport.http.HttpAdapterList.createAdapter(HttpAdapterList.java:73) at com.sun.xml.ws.transport.http.servlet.SpringBinding.create(SpringBinding.java:24) at com.sun.xml.ws.transport.http.servlet.WSSpringServlet.init(WSSpringServlet.java:46) Strange ... appears to be a configuration error but the darn thing just dies with a NullPointerException!!!!!!!! No logging is provided. Deployed in Resin.

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  • Use $_FILES on a page called by .ajax

    - by RachelD
    I have two .php pages that I'm working with. Index.php has a file upload form that posts back to index.php. I can access the $_FILES no problem on index.php after submitting the form. My issue is that I want (after the form submit and the page loads) to use .ajax (jQuery) to call another .php file so that file can open and process some of the rows and return the results to ajax. The ajax then displays the results and recursively calls itself to process the next batch of rows. Basically I want to process (put in the DB etc) the csv in chunks and display it for the user in between chunks. Im doing it this way because the files are 400,000+ rows and the user doesnt want to wait the 10+ min for them all to be processed. I dont want to move this file (save it) because I just need to process it and throw it away and if a user closes the page while its processing the file wont be thrown away. I could cron script it but I dont want to. What I would really like to do is pass the (single) $_FILES through .ajax OR Save it in a $_POST or $_SESSION to use on the second page. Is there any hope for my cause? Heres the ajax code if that helps: function processCSV(startIndex, length) { $.ajax({ url: "ajax-targets/process-csv.php", dataType: "json", type: "POST", data: { startIndex: startIndex, length: length }, timeout: 60000, // 1000 = 1 sec success: function(data) { // JQuery to display the rows from the CSV var newStart = startIndex+length; if(newStart <= data['csvNumRows']) { processCSV(newStart, length); } } }); } processCSV(1, 2); }); P.S. I did try this Passing $_FILES or $_POST to a new page with PHP but its not working for me :( SOS.

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  • jitter if multiple outliers in ggplot2 boxplot

    - by Andreas
    I am trying to find a suitable display to illustrate various properties within and across school classes. For each class there is only 15-30 data points (pupils). Right now i am leaning towards a whisker-less boxplot, showing only 1.,2. and 3. quartile + datapoints more then e.g. 1 population SD +/- the sample median. This I can do. However - I need to show this graph to some teachers, in order to gauge what they like most. I'd like to compare my graph with a normal boxplot. But the normal boxplot looks the same if there is only one outlier, or e.g. 5 outliers at the same value. In this case this would be a deal-breaker. e.g. test <-structure(list(value = c(3, 5, 3, 3, 6, 4, 5, 4, 6, 4, 6, 4, 4, 6, 5, 3, 3, 4, 4, 4, 3, 4, 4, 4, 3, 4, 5, 6, 6, 4, 3, 5, 4, 6, 5, 6, 4, 5, 5, 3, 4, 4, 6, 4, 4, 5, 5, 3, 4, 5, 8, 8, 8, 8, 9, 6, 6, 7, 6, 9), places = structure(c(1L, 2L, 1L, 1L, 1L, 2L, 1L, 2L, 1L, 2L, 1L, 2L, 2L, 2L, 2L, 2L, 1L, 1L, 2L, 2L, 2L, 1L, 2L, 1L, 1L, 1L, 1L, 2L, 1L, 2L, 1L, 2L, 2L, 2L, 1L, 2L, 1L, 2L, 2L, 1L, 1L, 2L, 2L, 1L, 1L, 1L, 1L, 2L, 1L, 1L, 2L, 2L, 2L, 1L, 1L, 2L, 2L, 1L, 2L, 1L), .Label = c("a", "b"), class = "factor")), .Names = c("value", "places"), row.names = c(NA, -60L), class = "data.frame") ggplot(test, aes(x=places,y=value))+geom_boxplot() Here there are two outliers at ("a",9) - but only one "dot" shown. So my question: How to jitter the outliers. And - what kind of display would you suggest for this kind of data?

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  • Objective C - Using .m and .c files?

    - by Mk12
    I know Objective-C is just a superset of C, and you can use plain C anywhere. But am I able to use .m and .c files (for when there is only pure C) in the same project? Or all the errors I'm getting because of something else… Thanks.

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  • inline assembly error

    - by Manish
    I am using inline assembly for iphone, I working for device debug mode. The instruction is as follows: __asm__("smlatb %0, %1, %2 ,%3 \n\t": "=r"(Temp): "r"(treg5) : "r"(fac5) : "r"(Temp) ); And I am getting an errors: error : expected ')' before tokedn '(' error: unknown register name 'r' in 'asm' I am using X-code 3.0 and gcc 4.0. Any ideas?

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  • Basic Tomcat Servlet error.

    - by ajay
    package mypackage; import java.io.*; import javax.servlet.http.*; import javax.servlet.*; public class Hello extends HttpServlet { public void doGet (HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { PrintWriter out = res.getWriter(); out.println("Hello, world!"); out.close(); } } web.xml file is as follows: <?xml version="1.0" encoding="ISO-8859-1"?> <web-app xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd" version="2.4"> <display-name>Hello, World Application</display-name> <description> This is a simple web application with a source code organization based on the recommendations of the Application Developer's Guide. </description> <servlet> <servlet-name>HelloServlet</servlet-name> <servlet-class>mypackage.Hello</servlet-class> </servlet> <servlet-mapping> <servlet-name>HelloServlet</servlet-name> <url-pattern>/hello</url-pattern> </servlet-mapping> </web-app> I am then doing ant all , ant reload and also /etc/init.d/tomcat restart But I get this error on browser: HTTP Status 404 - /hello/ type Status report message /hello/ description The requested resource (/hello/) is not available. Apache Tomcat/6.0.26 What could be wrong?

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  • gcc compiling error on Solaris 10

    - by osman toker
    I want to compile a source code, but there are some compiling errors about __sync_xxx functions (__sync_bool_compare_and_swap etc.) GCC version on machine is 3.4.3 (it must be gcc 4.1 or over for supporting atomic builtins), so I have downloaded GCC v4.6, copied it to another directory (I didn't remove v3.4.3) then change the $PATH path for GCC but it doesn't work (the same error occurs). I want to ask that is only changing gcc path with export PATH=... enough for compiling with new GCC?

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  • Properly changing Ajax MultiHandle Slider parameters on postbacks

    - by Matthew PK
    Hi all, In VS2010 I have VB.NET codebehind aspx pages and I'm using Ajax multihandleslider extensions to filter search results on numerical values. Fistly, the multihandle sliders don't display in the designer... I have to remove the slider targets tag: In order to make it display in the designer... this isn't so much a big issue but an annoyance. I am displaying items in a given category. So I get the max and min prices for all items in that category and assign the sliderextension max/min values appropriately. This works fine until... I change the item category and go get a new max/min value for the slider control. I set the max/min values, then I set the target textbox values each to the corresponding max/min values. The slider handles don't repaint (or init?) properly Like say for example my initial min/max is 1/100 if I do a full postback and change the max value to 1000 then the slider bar (correctly) stays the same size but the handle appears WAYYYY to the right off the page and I have to scroll to it. When I click it, it shoots back onto the slider bar. I'm pulling my hair out... why do the slider handles only appear properly when I first set the min/max values?

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  • How to add an image to an SSRS report with a dynamic url?

    - by jrummell
    I'm trying to add an image to a report. The image src url is an IHttpHandler that takes a few query string parameters. Here's an example: <img src="Image.ashx?item=1234567890&lot=asdf&width=50" alt=""/> I added an Image to a cell and then set Source to External and Value to the following expression: ="Image.ashx?item="+Fields!ItemID.Value+"&lot="+Fields!LotID.Value+"&width=50" But when I view the report, it renders the image html as: <IMG SRC="" /> What am I missing? Update Even if I set Value to "image.jpg" it still renders an empty src attribute. I'm not sure if it makes a difference, but I'm using this with a VS 2008 ReportViewer control in Remote processing mode. Update I was able to get the images to display in the Report Designer (VS 2005) with an absolute path (http://server/path/to/http/handler). But they didn't display on the Report Manager website. I even set up an Unattended Execution Account that has access to the external URLs.

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  • Hide list on blur

    - by bah
    Hi, I have a list showing up when i click on button, the problem is that i want to hide the list whenever it loses focus i.e. user clicks anywhere on a page, but not on that list. How can i do this? Also, you can see how it should look at last.fm, where's list of profile settings (li.profileItem). (ul.del li ul by default is display:none) Basic list structure: <ul class='del'> <li> <button class='deletePage'></button> <ul> <li></li> <li></li> </ul> </li> </ul> My function for displaying this list: $(".deletePage").click(function(){ if( $(this).siblings(0).css("display") == "block" ){ $(this).siblings(0).hide(); } else { $(this).siblings(0).show(); } });

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  • jQuery Animate Inconsistencies between Browsers

    - by silent1mezzo
    I'm trying to figure out why this works in FireFox, Chrome but not in IE and not properly in Safari and Opera (you can view it working at http://41six.com/about/) HTML: <div id="menu"> <ul> <li> <a href="/" class="home" title="Home" alt="fortyonesix">&nbsp;</a> <div id='home-hover'>Home Page</div> </li> </ul> </div> CSS: #menu .home { display:block; height:24px; width:24px; background-image: url('../images/Home.png'); } #home-hover { position:fixed; padding: 3px 0 3px 10px; left:40px; top:125px; width: 100px; height: 20px; background-color:#000; color: #fff; z-index:9999; opacity: .9; filter: alpha(opacity=90); -ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=90)"; -moz-border-radius-topright: 5px; -webkit-border-top-right-radius: 5px; -moz-border-radius-bottomright: 5px; -webkit-border-top-bottom-radius: 5px; display:none; } JQuery: $('.home').hover(function() { $('#home-hover').animate({width:'toggle'},200); }, function() { $('#home-hover').animate({width:'toggle'},200); }); It's definitely not pretty but I'm not sure why its not working for Safari, Opera and IE

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