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  • PHP function to handle most database queries has a problem with results. I am getting the right numb

    - by asdasds
    Here is my little function. It does not handle the results correctly. I do get all the rows that I want, but all the rows of the $results array contain the exact same values. So i make 2 arrays, a temporary array to hold the values after each fetch, and another array to hold all the temporary arrays. First i take the temp array and map its keys to the column names. Then i give it to bind_result, and call fetch() and use it like I would any other result value. Could this be because I re-use the $results array? numresults is the number of values you are taking from each row. if 0, you are not getting any results back. function db_query($db, $query, $params = NULL, $numresults = 0) { if($stmt = $db -> prepare($query)) { if($params != NULL) { call_user_func_array(array($stmt, 'bind_param'), $params); } if(!$stmt -> execute()) { //echo 'exec error:',$db->error; return false; } if($numresults > 0) { $results = array(); $tmpresult = array(); $meta = $stmt->result_metadata(); while ($columnName = $meta->fetch_field()) $tmpresult[] = &$results[$columnName->name]; call_user_func_array(array($stmt, 'bind_result'), $tmpresult); $meta->close(); $results = array(); while($stmt -> fetch()) $results[] = $tmpresult; } $stmt -> close(); } else { //echo 'prepare error: ',$db->error; return false; } if($numresults == 0) return true; return $results; }

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  • Implementing a 30 day time trial

    - by svintus
    Question for indie Mac developers out there: How do I implement a 30-day time trial in a non-evil fashion? Putting a counter in the prefs is not an option, since wiping prefs once a month is not a problem for an average user. Putting the counter in a hidden file somewhere sounds a bit dodgy - as a user I hate when apps sprinkle my hard drive with random files. Any ideas?

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  • Multiple controllers with a single model

    - by Eric K
    I'm setting up a directory application for which I need to have two separate interfaces for the same Users table. Basically, administrators use the Users controller and views to list, edit, and add users, while non-admins need a separate interface which lists users in a completely different manner. To do this, would I be able to just set up another controller with different views but which accesses the Users model? Sorry if this is a simple question, but I've had a hard time finding how to do this.

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  • [Scala] Using overloaded, typed methods on a collection

    - by stephanos
    I'm quite new to Scala and struggling with the following: I have database objects (type of BaseDoc) and value objects (type of BaseVO). Now there are multiple convert methods (all called 'convert') that take an instance of an object and convert it to the other type accordingly. For example: def convert(doc: ClickDoc): ClickVO = doc match { case null => null case _ => val result = new ClickVO result.x = doc.x result.y = doc.y result } Now I sometimes need to convert a list of objects. How would I do this - I tried: def convert[D <: MyBaseDoc, V <: BaseVO](docs: List[D]):List[V] = docs match { case List() => List() case xs => xs.map(doc => convert(doc)) } Which results in 'overloaded method value convert with alternatives ...'. I tried to add manifest information to it, but couldn't make it work. I couldn't even create one method for each because it'd say that they have the same parameter type after type erasure (List). Ideas welcome!

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  • compile error:c language in telnet(linux)

    - by lilyrose07
    #include<stdio.h> #include<unistd.h> #include<stdlib.h> #include<pthread.h> int count=0; void *thread_function(void *arg) { while(count<10) { if(count%2==1) { count++; } else {sleep(1);} } } int main(int argc,int *argv) { int res; pthread_t a_thread[2]; void *thread_result; int n; while(count<10) { if(count%2==0) {printf("%d",count); count++; } else{sleep(1);} } for(n=0;n<2;n++) { pthread_create(&(a_thread[n]),NULL,thread_function,NULL); } while(count==9) {pthread_join(a_thread[0],&thread_result); } while(count==10) { pthread_join(a_thread[1],&thread_result); } printf("%d",count); return 0; } in telnet,linux i write gcc za.c error list: undefined reference to pthread_create,pthread_join in function 'main' //why??

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  • C# property ending with ?

    - by MicMit
    What does that mean ? public bool? Verbose { get; set; } When applied to string? , there is an error Error 11 The type 'string' must be a non-nullable value type in order to use it as parameter 'T' in the generic type or method 'System.Nullable'

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  • Why should I call self=[super init]

    - by Michael
    Let's say I create my class and its init method. Why should I call and return value of superclass init assigned to self? Which cases it covers? I would appreciate examples why would I need it for Cocoa superclass and non-Cocoa.

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  • What does the GDI+ background thread do?

    - by uj
    Upon initialization, GDI+ (non .NET) creates a background thread, which can optionally be suppressed subject to calling some hook functions. MSDN, however, doesn't say what this thread actually does. Google doesn't seem to know either. What is it for?

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  • Do we really need high level languages? [closed]

    - by i_love_c
    Seeing the amount of softwares developed (and still being developed) in C and considering the fact that C currently tops the TIOBE chart, I have this one question for you all: Do we really need high level languages like C# or F# or Ruby? Don't you think these so-called high level languages are actually spoiling programmers and resulting in suboptimal and non-efficient softwares?

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  • Whys is pdf format used? [closed]

    - by dan_vitch
    I will admit that I am new to the tech/dev field. It seems to become a trend that every time I have to work with pdfs a part of me dies. Why is this format as ubiquitous as it seems to be? Is it just non-tech people that prefer pdfs?

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  • How to move image in Applet?

    - by user1609804
    I want to move the character left, right up, and down in applet, but it is not moving at all. here is my code, help please import javax.swing.JPanel; import java.awt.image.BufferedImage; import java.io.*; import javax.imageio.ImageIO; import java.applet.*; import java.awt.event.*; import java.awt.*; public class drawCenter extends Applet { private int x,y;// the x and y of the position of the player private BufferedImage image, pos; public void init( ) { try { image = ImageIO.read(new File("pokemonCenter.png")); pos = ImageIO.read(new File("player/maleInGame.png")); } catch (IOException ex) { } x = 150; y = 171; } public void keyPressed(KeyEvent e) { int keyCode = e.getKeyCode(); switch( keyCode ) { case KeyEvent.VK_UP: if( y>0 ) { y=y-19; repaint(); } break; case KeyEvent.VK_DOWN: if( y<171 ) { y=y+19; repaint(); } break; case KeyEvent.VK_LEFT:if( x>0 ) { x=x-15; repaint(); } break; case KeyEvent.VK_RIGHT:if( x<285 ) { x=x+15; repaint(); } break; } e.consume(); } public void keyReleased(){ } public void paint( Graphics g ) { g.drawImage(image, 0, 0, null); g.drawImage(pos, x, y, null); } }

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  • How To Prevent Processes From Starting?

    - by Rob P.
    I'm toying around with a very simplistic sort of process-monitor. Currently, it gets a list of the running processes and attempts to kill any process that is not white-listed. What I'm looking for is a way to prevent a process from starting that isn't on the white-list. If that's possible. My knowledge level in this area is pretty non-existent and my Google-fu only returns websites discussing Process.Start() :( Can anyone point me in the right direction?

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  • Java variables across methods

    - by NardCake
    I'm making a basic text editor, and I have 2 methods the first one is triggered when a user click 'Open' and it prompts the user to pick a file and it opens the file fine. I just want to access the same file path which is in a variable in the method that is triggered when the user clicks save. My methods are public, Iv'e tried accessing it through a class, still no. Please help! Code: public void open(){ try{ //Open file JFileChooser fc = new JFileChooser(); fc.showOpenDialog(null); File file = fc.getSelectedFile(); String haha = file.getPath(); BufferedReader br = new BufferedReader(new FileReader(file.getPath())); String line; while((line = br.readLine()) != null){ text.append(line + "\n"); } } catch (FileNotFoundException e){ e.printStackTrace(); }catch (IOException e){ } } public void save(){ try { BufferedWriter bw = new BufferedWriter(new FileWriter(file.filePath)); bw.write(text.getText()); bw.close(); } catch (IOException e) { e.printStackTrace(); } }

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  • jquery indexOf problem with IE

    - by user441365
    Hi, I have a multiple select field and a jquery function that checks for a change in the select. the function looks for the value "Other", and if it's selected then displays an extra text field. This is all working fine in chrome and FF, but for some reason IE throws an error on the indexOf function "Object doesn't support this property or method". Any help would be much appreciated. Here's the code: <select name="test" multiple="multiple" id="test"> <option value="one">one</option> <option value="two">two</option> <option selected="selected" value="Other">Other</option> </select> <input name="Name_Other" type="text" id="Name_Other" class="OtherDisplay" /> $.toggleOther = function (dd, txtOther) { if ($(dd).val() == null || $(dd).val().indexOf("Other") != 1) $(txtOther).hide(); $(dd).change(function () { var sel = $(this).val(); if (sel != null && sel.indexOf("Other") != -1) { $(txtOther).show(); } else { $(txtOther).hide(); } }); } $.toggleOther("#test", ".OtherDisplay");

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  • Adding an ActiveX control to a tab Page

    - by BDotA
    this is the code I am using: tabPage1.Controls.Add(AXViewer1); where AXViewer1 is a third party ActiveX contorl (non .NET) that I want to add it to the my tab page. Is it wrong to it the way I did ? since it has not added it to the tab page with that code.

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  • Which CMS to use?

    - by Hastings
    I need to create a web (or non-web) system where a user can create a template layout with tags and placeholders for elements. They could then add new pages to this template. My system would need to pick up any elements that have changed and create an XML of the tagged content. I was just wondering what would be the best CMS or any other software I could use to implement this?

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  • `export PS1='value'` does not propagate to (Korn) subshells for root?

    - by user319845
    Please consider the following /root/.profile: export PS1=value1 export x=value2 How come the login shell shows the expected prompt (and $x as value2), while the subshells keep showing $x as value2 but $PS1 as '#'? Just in case, I'm trying this under OpenBSD. [Yeah, I know... What on earth am I doing with OpenBSD if I don't know this? Just toying... in an isolated, most definitely non-production VM =).]

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  • How does CouchDB handle UTF-8?

    - by borghe
    I'm quite puzzled by CouchDB: if I send a PUT request with some JSON string fields encoded as UTF-8, the non 7 bit ASCII characters get converted to the "\uXXXX" escape sequence. Is there any way to tell it not to escape UNICODE?

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  • SDL_surface that contains several images

    - by l19
    Suppose I have a SDL_Surface that is just one image. What if I wanted to make that SDL_Surface have three copies of that image, one below the other? I came up with this function, but it doesn't do anything: void adjust(SDL_Surface* img) { int imageHeight = img->h; int desiredHeight = 3*imageHeight; int repetitions = desiredHeight / imageHeight ; int remainder = desiredHeight % imageHeight ; SDL_Rect rect; rect.x = 0; rect.y = 0; rect.w = img->w; rect.h = img->h; int i = 0; for (i ; i < repetitions ; i++) { rect.y = i* imageHeight; SDL_BlitSurface(img,NULL,img,&rect); } rect.y += remainder; SDL_BlitSurface(img,NULL,img,&rect); }

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  • Django get() query not working

    - by pimcoooooooo
    this_category = Category.objects.get(name=cat_name) gives error: get() takes exactly 2 non-keyword arguments (1 given) I am using the appengine helper, so maybe that is causing problems. Category is my model. Category.objects.all() works fine. Filter is also similarily not working. Thanks,

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