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  • Objective-C Simple Inheritance and OO Principles

    - by bleeckerj
    I have a subclass SubClass that inherits from baseclass BaseClass. BaseClass has an initializer, like so: -(id)init { self = [super init]; if(self) { [self commonInit]; } return self; } -(void)commonInit { self.goodStuff = [[NSMutableArray alloc]init]; } SubClass does its initializer, like so: -(id)init { self = [super init]; if(self) { [self commonInit]; } return self; } -(void)commonInit { self.extraGoodStuff = [[NSMutableArray alloc]init]; } Now, I've *never taken a proper Objective-C course, but I'm a programmer more from the Electrical Engineering side, so I make do. I've developed server-side applications mostly in Java though, so I may be seeing the OO world through Java principles. When SubClass is initialized, it calls the BaseClass init and my expectation would be — because inheritance to me implies that characteristics of a BaseClass pass through to SubClass — that the commonInit method in BaseClass would be called during BaseClass init. It is not. I can *sorta understand maybe-possibly-stretch-my-imagination why it wouldn't be. But, then — why wouldn't it be based on the principles of OOP? What does "self" represent if not the instance of the class of the running code? Okay, so — I'm not going to argue that what a well-developed edition of Objective-C is doing is wrong. So, then — what is the pattern I should be using in this case? I want SubClass to have two main bits — the goodStuff that BaseClass has as well as the extraGoodStuff that it deserves as well. Clearly, I've been using the wrong pattern in this type of situation. Am I meant to expose commonInit (which makes me wonder about encapsulation principles — why expose something that, in the Java world at least, would be considered "protected" and something that should only ever be called once for each instance)? I've run into a similar problem in the recent past and tried to muddle through it, but now — I'm really wondering if I've got my principles and concepts all straight in my head. Little help, please.

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  • When do instance variables get initialized and values assigned?

    - by AKh
    When doees the instance variable get initialized? Is it after the constructor block is done or before it? Consider this example: public abstract class Parent { public Parent(){ System.out.println("Parent Constructor"); init(); } public void init(){ System.out.println("parent Init()"); } } public class Child extends Parent { private Integer attribute1; private Integer attribute2 = null; public Child(){ super(); System.out.println("Child Constructor"); } public void init(){ System.out.println("Child init()"); super.init(); attribute1 = new Integer(100); attribute2 = new Integer(200); } public void print(){ System.out.println("attribute 1 : " +attribute1); System.out.println("attribute 2 : " +attribute2); } } public class Tester { public static void main(String[] args) { Parent c = new Child(); ((Child)c).print(); } } OUTPUT: Parent Constructor Child init() parent Init() Child Constructor attribute 1 : 100 attribute 2 : null When the memory for the atribute 1 & 2 are allocated in the heap ? Curious to know why is attribute 2 is NULL ? Are there any design flaws?

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  • Python class structure ... prep() method?

    - by Adam Nelson
    We have a metaclass, a class, and a child class for an alert system: class AlertMeta(type): """ Metaclass for all alerts Reads attrs and organizes AlertMessageType data """ def __new__(cls, base, name, attrs): new_class = super(AlertMeta, cls).__new__(cls, base, name, attrs) # do stuff to new_class return new_class class BaseAlert(object): """ BaseAlert objects should be instantiated in order to create new AlertItems. Alert objects have classmethods for dequeue (to batch AlertItems) and register (for associated a user to an AlertType and AlertMessageType) If the __init__ function recieves 'dequeue=True' as a kwarg, then all other arguments will be ignored and the Alert will check for messages to send """ __metaclass__ = AlertMeta def __init__(self, **kwargs): dequeue = kwargs.pop('dequeue',None) if kwargs: raise ValueError('Unexpected keyword arguments: %s' % kwargs) if dequeue: self.dequeue() else: # Do Normal init stuff def dequeue(self): """ Pop batched AlertItems """ # Dequeue from a custom queue class CustomAlert(BaseAlert): def __init__(self,**kwargs): # prepare custom init data super(BaseAlert, self).__init__(**kwargs) We would like to be able to make child classes of BaseAlert (CustomAlert) that allow us to run dequeue and to be able to run their own __init__ code. We think there are three ways to do this: Add a prep() method that returns True in the BaseAlert and is called by __init__. Child classes could define their own prep() methods. Make dequeue() a class method - however, alot of what dequeue() does requires non-class methods - so we'd have to make those class methods as well. Create a new class for dealing with the queue. Would this class extend BaseAlert? Is there a standard way of handling this type of situation?

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  • Mysql server won't start - no logs

    - by Owen
    After a restart, mysql won't start. sudo service mysql start gives start: Job failed to start and the logs are empty, so I have no idea where to start. I'm pretty sure permissions problems are taken care of. Edit: All disks have at least 1G of space and sh -x /etc/init.d/mysql start gives me: + set -e + basename /etc/init.d/mysql + INITSCRIPT=mysql + JOB=mysql + [ mysql = upstart-job ] + [ -z start ] + COMMAND=start + shift + [ -z ] + ECHO=echo + echo Rather than invoking init scripts through /etc/init.d, use the service(8) Rather than invoking init scripts through /etc/init.d, use the service(8) + echo utility, e.g. service mysql start utility, e.g. service mysql start + echo + echo Since the script you are attempting to invoke has been converted to an Since the script you are attempting to invoke has been converted to an + echo Upstart job, you may also use the start(8) utility, e.g. start mysql Upstart job, you may also use the start(8) utility, e.g. start mysql + grep -q start/ + status mysql + [ -z ] + [ start = stop ] + [ -n ] + start mysql start: Rejected send message, 1 matched rules; type="method_call", sender=":1.105" (uid=1000 pid=3208 comm="start mysql ") interface="com.ubuntu.Upstart0_6.Job" member="Start" error name="(unset)" requested_reply="0" destination="com.ubuntu.Upstart" (uid=0 pid=1 comm="/sbin/init")

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  • Python: combine logging and wx so that logging stream is redirectet to stdout/stderr frame

    - by Uwe
    Here's the thing: I'm trying to combine the logging module with wx.App()'s redirect feature. My intention is to log to a file AND to stderr. But I want stderr/stdout redirected to a separate frame as is the feature of wx.App. My test code: import logging import wx class MyFrame(wx.Frame): def __init__(self): self.logger = logging.getLogger("main.MyFrame") wx.Frame.__init__(self, parent = None, id = wx.ID_ANY, title = "MyFrame") self.logger.debug("MyFrame.__init__() called.") def OnExit(self): self.logger.debug("MyFrame.OnExit() called.") class MyApp(wx.App): def __init__(self, redirect): self.logger = logging.getLogger("main.MyApp") wx.App.__init__(self, redirect = redirect) self.logger.debug("MyApp.__init__() called.") def OnInit(self): self.frame = MyFrame() self.frame.Show() self.SetTopWindow(self.frame) self.logger.debug("MyApp.OnInit() called.") return True def OnExit(self): self.logger.debug("MyApp.OnExit() called.") def main(): logger_formatter = logging.Formatter("%(name)s\t%(levelname)s\t%(message)s") logger_stream_handler = logging.StreamHandler() logger_stream_handler.setLevel(logging.INFO) logger_stream_handler.setFormatter(logger_formatter) logger_file_handler = logging.FileHandler("test.log", mode = "w") logger_file_handler.setLevel(logging.DEBUG) logger_file_handler.setFormatter(logger_formatter) logger = logging.getLogger("main") logger.setLevel(logging.DEBUG) logger.addHandler(logger_stream_handler) logger.addHandler(logger_file_handler) logger.info("Logger configured.") app = MyApp(redirect = True) logger.debug("Created instance of MyApp. Calling MainLoop().") app.MainLoop() logger.debug("MainLoop() ended.") logger.info("Exiting program.") return 0 if (__name__ == "__main__"): main() Expected behavior is: - a file is created named test.log - the file contains logging messages with level DEBUG and INFO/ERROR/WARNING/CRITICAL - messages from type INFO and ERROR/WARNING/CRITICAL are ether shown on the console or in a separate frame, depending on where they are created - logger messages that are not inside MyApp or MyFrame are displayed at the console - logger messages from inside MyApp or MyFrame are shown in a separate frame Actual behavior is: - The file is created and contains: main INFO Logger configured. main.MyFrame DEBUG MyFrame.__init__() called. main.MyFrame INFO MyFrame.__init__() called. main.MyApp DEBUG MyApp.OnInit() called. main.MyApp INFO MyApp.OnInit() called. main.MyApp DEBUG MyApp.__init__() called. main DEBUG Created instance of MyApp. Calling MainLoop(). main.MyApp DEBUG MyApp.OnExit() called. main DEBUG MainLoop() ended. main INFO Exiting program. - Console output is: main INFO Logger configured. main.MyFrame INFO MyFrame.__init__() called. main.MyApp INFO MyApp.OnInit() called. main INFO Exiting program. - No separate frame is opened, although the lines main.MyFrame INFO MyFrame.__init__() called. main.MyApp INFO MyApp.OnInit() called. shouldget displayed within a frame and not on the console. It seems to me that wx.App can't redirect stderr to a frame as soon as a logger instance uses stderr as output. wxPythons Docs claim the wanted behavior though, see here. Any ideas? Uwe

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  • In Coldfusion, how do I init a component that is located above the current path folder?

    - by Dan Sorensen
    If I have a folder structure that looks like this: / /bin/myComponent.cfc /reports/index.cfm How do I initiate myComponent.cfc from index.cfm? myService = createObject("component", "bin.myComponent"); Using the dot syntax, I know how to go to deeper folders, but how to do I go up a folder, and down into the other folder? Using slash syntax it would be something like this: ../bin/myComponent.cfc But createObject() doesn't work that way. I'd like to keep a relative path so that I can move this folder to another server without breaking the paths. Ideas? Thanks!

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  • wxPthon problems with Wrapping StaticText

    - by Scott B
    Hello. I am having an issue with wxPython. A simplified version of the code is posted below (white space, comments, etc removed to reduce size - but the general format to my program is kept roughly the same). When I run the script, the static text correctly wraps as it should, but the other items in the panel do not move down (they act as if the statictext is only one line and thus not everything is visible). If I manually resize the window/frame, even just a tiny amount, everything gets corrected and displays as it is should. I took screen shots to show this behavior, but I just created this account and thus don't have the required 10 reputation points to be allowed to post pictures. Why does it not display correctly to begin with? I've tried all sorts of combination's of GetParent().Refresh() or Update() and GetTopLevelParent().Update() or Refresh(). I've tried everything I can think of but cannot get it to display correctly without manually resizing the frame/window. Once re-sized, it works exactly as I want it to. Information: Windows XP Python 2.5.2 wxPython 2.8.11.0 (msw-unicode) Any suggestions? Thanks! Code: #! /usr/bin/python import wx class StaticWrapText(wx.PyControl): def __init__(self, parent, id=wx.ID_ANY, label='', pos=wx.DefaultPosition, size=wx.DefaultSize, style=wx.NO_BORDER, validator=wx.DefaultValidator, name='StaticWrapText'): wx.PyControl.__init__(self, parent, id, pos, size, style, validator, name) self.statictext = wx.StaticText(self, wx.ID_ANY, label, style=style) self.wraplabel = label #self.wrap() def wrap(self): self.Freeze() self.statictext.SetLabel(self.wraplabel) self.statictext.Wrap(self.GetSize().width) self.Thaw() def DoGetBestSize(self): self.wrap() #print self.statictext.GetSize() self.SetSize(self.statictext.GetSize()) return self.GetSize() class TestPanel(wx.Panel): def __init__(self, *args, **kwargs): # Init the base class wx.Panel.__init__(self, *args, **kwargs) self.createControls() def createControls(self): # --- Panel2 ------------------------------------------------------------- self.Panel2 = wx.Panel(self, -1) msg1 = 'Below is a List of Files to be Processed' staticBox = wx.StaticBox(self.Panel2, label=msg1) Panel2_box1_v1 = wx.StaticBoxSizer(staticBox, wx.VERTICAL) Panel2_box2_h1 = wx.BoxSizer(wx.HORIZONTAL) Panel2_box3_v1 = wx.BoxSizer(wx.VERTICAL) self.wxL_Inputs = wx.ListBox(self.Panel2, wx.ID_ANY, style=wx.LB_EXTENDED) sz = dict(size=(120,-1)) wxB_AddFile = wx.Button(self.Panel2, label='Add File', **sz) wxB_DeleteFile = wx.Button(self.Panel2, label='Delete Selected', **sz) wxB_ClearFiles = wx.Button(self.Panel2, label='Clear All', **sz) Panel2_box3_v1.Add(wxB_AddFile, 0, wx.TOP, 0) Panel2_box3_v1.Add(wxB_DeleteFile, 0, wx.TOP, 0) Panel2_box3_v1.Add(wxB_ClearFiles, 0, wx.TOP, 0) Panel2_box2_h1.Add(self.wxL_Inputs, 1, wx.ALL|wx.EXPAND, 2) Panel2_box2_h1.Add(Panel2_box3_v1, 0, wx.ALL|wx.EXPAND, 2) msg = 'This is a long line of text used to test the autowrapping ' msg += 'static text message. ' msg += 'This is a long line of text used to test the autowrapping ' msg += 'static text message. ' msg += 'This is a long line of text used to test the autowrapping ' msg += 'static text message. ' msg += 'This is a long line of text used to test the autowrapping ' msg += 'static text message. ' staticMsg = StaticWrapText(self.Panel2, label=msg) Panel2_box1_v1.Add(staticMsg, 0, wx.ALL|wx.EXPAND, 2) Panel2_box1_v1.Add(Panel2_box2_h1, 1, wx.ALL|wx.EXPAND, 0) self.Panel2.SetSizer(Panel2_box1_v1) # --- Combine Everything ------------------------------------------------- final_vbox = wx.BoxSizer(wx.VERTICAL) final_vbox.Add(self.Panel2, 1, wx.ALL|wx.EXPAND, 2) self.SetSizerAndFit(final_vbox) class TestFrame(wx.Frame): def __init__(self, *args, **kwargs): # Init the base class wx.Frame.__init__(self, *args, **kwargs) panel = TestPanel(self) self.SetClientSize(wx.Size(500,500)) self.Center() class wxFileCleanupApp(wx.App): def __init__(self, *args, **kwargs): # Init the base class wx.App.__init__(self, *args, **kwargs) def OnInit(self): # Create the frame, center it, and show it frame = TestFrame(None, title='Test Frame') frame.Show() return True if __name__ == '__main__': app = wxFileCleanupApp() app.MainLoop() EDIT: See my post below for a solution that works!

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  • MSVCRTD.lib(cpu_disp.obj) : warning LNK4210: .CRT section exists; there may be unhandled static init

    - by Johan
    Hi I know this question has popped up before but I could not find a good answer so I try here. I have a pure C dll (Win32) and I get this warning when compiling: MSVCRTD.lib(cpu_disp.obj) : warning LNK4210: .CRT section exists; there may be unhandled static initializers or terminators Everything seems to work just fine but I am concerned about this warning since I do not understad it. I have quite a few static variables but I do not understand what ".CRT section exist" means. What approach should I take to eliminate this warning. When I try to add the libs msdn suggests I get a ton of linker errors.

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  • Does/Will autofac's ASP.NET integration support PreInit or Init events?

    - by David Rubin
    I see from poking around in the 1.4.4 source that Autofac's ASP.NET integration (via Autofac.Integration.Web) peforms injection of properties on the Page as part of the HttpContext.PreRequestHandlerExecute event handling, but that the page's child controls don't get their properties injected until Page.PreLoad. What this means, though is that the injected properties of child controls are unavailable for use in the OnInit event handler. For example, this works fine: HelloWorld.aspx: <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="HelloWorld.aspx.cs" Inherits="HelloWorld" %> <html> <body> <asp:Label runat="server" id="lblMsg" OnInit="HandleInit"/> </body> </html> HelloWorld.aspx.cs: ... protected void HandleInit() { lblMsg.Text = _msgProvider.GetMessage(); } public IMsgProvider _msgProvider { private get; set; } // <-- Injected But changing the HelloWorld Page to a UserControl (.acsx) and putting the UserControl in another page doesn't work because _msgProvider isn't injected early enough. Is there a way to make Autofac inject properties of child controls earlier? Or is this something that can be addressed in a future build? Thanks!

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  • Decorator that can take both init args and call args?

    - by digitala
    Is it possible to create a decorator which can be __init__'d with a set of arguments, then later have methods called with other arguments? For instance: from foo import MyDecorator bar = MyDecorator(debug=True) @bar.myfunc(a=100) def spam(): pass @bar.myotherfunc(x=False) def eggs(): pass If this is possible, can you provide a working example?

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  • Problem with SIngleton Class

    - by zp26
    Hi, I have a prblem with my code. I have a viewController and a singleton class. When i call the method readXml and run a for my program update the UITextView. When i call the clearTextView method the program exit with EXC_BAD_ACCESS. The prblem it's the name of the variable position. This is invalid but i don't change anything between the two methods. You have an idea? My code: #import "PositionIdentifierViewController.h" #import "WriterXML.h" #import "ParserXML.h" #define timeToScan 0.1 @implementation PositionIdentifierViewController @synthesize accelerometer; @synthesize actualPosition; @synthesize actualX; @synthesize actualY; @synthesize actualZ; -(void)updateTextView:(NSString*)nomePosizione { NSString *string = [NSString stringWithFormat:@"%@",nomePosizione]; textEvent.text = [textEvent.text stringByAppendingString:@"\n"]; textEvent.text = [textEvent.text stringByAppendingString:string]; } -(IBAction)clearTextEvent{ textEvent.text = @""; //with this for my program exit for(int i=0; i<[[sharedController arrayPosition]count]; i++){ NSLog(@"sononelfor"); Position *tempPosition = [[Position alloc]init]; tempPosition = [[sharedController arrayPosition]objectAtIndex:i]; [self updateTextView:(NSString*)[tempPosition name]]; } } -(void)readXml{ if([sharedController readXml]){ UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Caricamento Posizioni" message:@"Caricamento effettuato con successo" delegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:nil]; [alert show]; [alert release]; NSString *string = [NSString stringWithFormat:@"%d", [[sharedController arrayPosition]count]]; [self updateTextView:(NSString*)string]; //with only this the program is ok for(int i=0; i<[[sharedController arrayPosition]count]; i++){ NSLog(@"sononelfor"); Position *tempPosition = [[Position alloc]init]; tempPosition = [[sharedController arrayPosition]objectAtIndex:i]; [self updateTextView:(NSString*)[tempPosition name]]; } } else{ UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Caricamento Posizioni" message:@"Caricamento non riuscito" delegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:nil]; [alert show]; [alert release]; } } // Implement viewDidLoad to do additional setup after loading the view, typically from a nib. - (void)viewDidLoad { [super viewDidLoad]; sharedController = [SingletonController sharedSingletonController]; actualPosition = [[Position alloc]init]; self.accelerometer = [UIAccelerometer sharedAccelerometer]; self.accelerometer.updateInterval = timeToScan; self.accelerometer.delegate = self; actualX=0; actualY=0; actualZ=0; [self readXml]; } - (void)dealloc { [super dealloc]; [actualPosition dealloc]; [super dealloc]; } @end #import "SingletonController.h" #import "Position.h" #import "WriterXML.h" #import "ParserXML.h" #define standardSensibility 2 #define timeToScan .1 @implementation SingletonController @synthesize arrayPosition; @synthesize arrayMovement; @synthesize actualPosition; @synthesize actualMove; @synthesize stopThread; +(SingletonController*)sharedSingletonController{ static SingletonController *sharedSingletonController; @synchronized(self) { if(!sharedSingletonController){ sharedSingletonController = [[SingletonController alloc]init]; } } return sharedSingletonController; } -(BOOL)readXml{ ParserXML *newParser = [[ParserXML alloc]init]; if([newParser startParsing:(NSString*)@"filePosizioni.xml"]){ [arrayPosition addObjectsFromArray:[newParser arrayPosition]]; return TRUE; } else return FALSE; } -(id)init{ self = [super init]; if (self != nil) { arrayPosition = [[NSMutableArray alloc]init]; arrayMovement = [[NSMutableArray alloc]init]; actualPosition = [[Position alloc]init]; actualMove = [[Movement alloc]init]; stopThread = FALSE; } return self; } -(void) dealloc { [super dealloc]; } @end

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  • Objects leaking immediately from allocation using either new or [[Object alloc] init];

    - by Sam
    While running Instruments to find leaks in my code, after I've loaded a file and populate an NSMutableArray with new objects, leaks pop up! I am correctly releasing the objects. Sample code below: //NSMutableArray declared as a retained property in the parent class if(!mutableArray) mutableArray = [[NSMutableArray alloc] initWithCapacity:objectCount]; else [mutableArray removeAllObjects]; //Iterates through the read in data and populate the NSMutableArray for(int i = 0; i < objectCount; i++){ //Initializes a new object with data MyObject *object = [MyObject new]; //Adds the object to the mutableArray [mutableArray addObject:object]; //Releases the object [object release]; } I get a number of leaks from Instruments terminating at the addition of the 'object' into the 'mutableArray', but also including the allocation of the 'object' and the 'mutableArray'. I don't get it. Not to mention, this is happening on the first call of the enclosing method so the allocation of the NSMutableArray is being hit in the logic block, not the 'removeAllObjects' selector. Lastly, does Core Foundation have a major bug in it that randomly creates CFStrings and mismanages their memory? My code does not even use those, nor do the leaks where they occur have anything to do with my code. Almost all of my applications so far deal with OpenGL (in case anyone knows of a threading issue that arises from trying to synch the backend of the program with the front end of displaying the contents of an NSOpenGLView class or whatever it is).

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  • Add collison detection to enemy sprites?

    - by xBroak
    i'd like to add the same collision detection used by the player sprite to the enemy sprites or 'creeps' ive added all the relevant code I can see yet collisons are still not being detected and handled, please find below the class, I have no idea what is wrong currently, the list of walls to collide with is 'wall_list' import pygame import pauseScreen as dm import re from pygame.sprite import Sprite from pygame import Rect, Color from random import randint, choice from vec2d import vec2d from simpleanimation import SimpleAnimation import displattxt black = (0,0,0) white = (255,255,255) blue = (0,0,255) green = (101,194,151) global currentEditTool currentEditTool = "Tree" global editMap editMap = False open('MapMaker.txt', 'w').close() def draw_background(screen, tile_img): screen.fill(black) img_rect = tile_img.get_rect() global rect rect = img_rect nrows = int(screen.get_height() / img_rect.height) + 1 ncols = int(screen.get_width() / img_rect.width) + 1 for y in range(nrows): for x in range(ncols): img_rect.topleft = (x * img_rect.width, y * img_rect.height) screen.blit(tile_img, img_rect) def changeTool(): if currentEditTool == "Tree": None elif currentEditTool == "Rock": None def pauseGame(): red = 255, 0, 0 green = 0,255, 0 blue = 0, 0,255 screen.fill(black) pygame.display.update() if editMap == False: choose = dm.dumbmenu(screen, [ 'Resume', 'Enable Map Editor', 'Quit Game'], 64,64,None,32,1.4,green,red) if choose == 0: print("hi") elif choose ==1: global editMap editMap = True elif choose ==2: print("bob") elif choose ==3: print("bob") elif choose ==4: print("bob") else: None else: choose = dm.dumbmenu(screen, [ 'Resume', 'Disable Map Editor', 'Quit Game'], 64,64,None,32,1.4,green,red) if choose == 0: print("Resume") elif choose ==1: print("Dis ME") global editMap editMap = False elif choose ==2: print("bob") elif choose ==3: print("bob") elif choose ==4: print("bob") else: None class Wall(pygame.sprite.Sprite): # Constructor function def __init__(self,x,y,width,height): pygame.sprite.Sprite.__init__(self) self.image = pygame.Surface([width, height]) self.image.fill(green) self.rect = self.image.get_rect() self.rect.y = y self.rect.x = x class insertTree(pygame.sprite.Sprite): def __init__(self,x,y,width,height, typ): pygame.sprite.Sprite.__init__(self) self.image = pygame.image.load("images/map/tree.png").convert() self.image.set_colorkey(white) self.rect = self.image.get_rect() self.rect.y = y self.rect.x = x class insertRock(pygame.sprite.Sprite): def __init__(self,x,y,width,height, typ): pygame.sprite.Sprite.__init__(self) self.image = pygame.image.load("images/map/rock.png").convert() self.image.set_colorkey(white) self.rect = self.image.get_rect() self.rect.y = y self.rect.x = x class Creep(pygame.sprite.Sprite): """ A creep sprite that bounces off walls and changes its direction from time to time. """ change_x=0 change_y=0 def __init__( self, screen, creep_image, explosion_images, field, init_position, init_direction, speed): """ Create a new Creep. screen: The screen on which the creep lives (must be a pygame Surface object, such as pygame.display) creep_image: Image (surface) object for the creep explosion_images: A list of image objects for the explosion animation. field: A Rect specifying the 'playing field' boundaries. The Creep will bounce off the 'walls' of this field. init_position: A vec2d or a pair specifying the initial position of the creep on the screen. init_direction: A vec2d or a pair specifying the initial direction of the creep. Must have an angle that is a multiple of 45 degres. speed: Creep speed, in pixels/millisecond (px/ms) """ Sprite.__init__(self) self.screen = screen self.speed = speed self.field = field self.rect = creep_image.get_rect() # base_image holds the original image, positioned to # angle 0. # image will be rotated. # self.base_image = creep_image self.image = self.base_image self.explosion_images = explosion_images # A vector specifying the creep's position on the screen # self.pos = vec2d(init_position) # The direction is a normalized vector # self.direction = vec2d(init_direction).normalized() self.state = Creep.ALIVE self.health = 15 def is_alive(self): return self.state in (Creep.ALIVE, Creep.EXPLODING) def changespeed(self,x,y): self.change_x+=x self.change_y+=y def update(self, time_passed, walls): """ Update the creep. time_passed: The time passed (in ms) since the previous update. """ if self.state == Creep.ALIVE: # Maybe it's time to change the direction ? # self._change_direction(time_passed) # Make the creep point in the correct direction. # Since our direction vector is in screen coordinates # (i.e. right bottom is 1, 1), and rotate() rotates # counter-clockwise, the angle must be inverted to # work correctly. # self.image = pygame.transform.rotate( self.base_image, -self.direction.angle) # Compute and apply the displacement to the position # vector. The displacement is a vector, having the angle # of self.direction (which is normalized to not affect # the magnitude of the displacement) # displacement = vec2d( self.direction.x * self.speed * time_passed, self.direction.y * self.speed * time_passed) self.pos += displacement # When the image is rotated, its size is changed. # We must take the size into account for detecting # collisions with the walls. # self.image_w, self.image_h = self.image.get_size() bounds_rect = self.field.inflate( -self.image_w, -self.image_h) if self.pos.x < bounds_rect.left: self.pos.x = bounds_rect.left self.direction.x *= -1 elif self.pos.x > bounds_rect.right: self.pos.x = bounds_rect.right self.direction.x *= -1 elif self.pos.y < bounds_rect.top: self.pos.y = bounds_rect.top self.direction.y *= -1 elif self.pos.y > bounds_rect.bottom: self.pos.y = bounds_rect.bottom self.direction.y *= -1 # collision detection old_x=bounds_rect.left new_x=old_x+self.direction.x bounds_rect.left = new_x # hit a wall? collide = pygame.sprite.spritecollide(self, walls, False) if collide: # yes bounds_rect.left=old_x old_y=self.pos.y new_y=old_y+self.direction.y self.pos.y = new_y collide = pygame.sprite.spritecollide(self, walls, False) if collide: # yes self.pos.y=old_y elif self.state == Creep.EXPLODING: if self.explode_animation.active: self.explode_animation.update(time_passed) else: self.state = Creep.DEAD self.kill() elif self.state == Creep.DEAD: pass #------------------ PRIVATE PARTS ------------------# # States the creep can be in. # # ALIVE: The creep is roaming around the screen # EXPLODING: # The creep is now exploding, just a moment before dying. # DEAD: The creep is dead and inactive # (ALIVE, EXPLODING, DEAD) = range(3) _counter = 0 def _change_direction(self, time_passed): """ Turn by 45 degrees in a random direction once per 0.4 to 0.5 seconds. """ self._counter += time_passed if self._counter > randint(400, 500): self.direction.rotate(45 * randint(-1, 1)) self._counter = 0 def _point_is_inside(self, point): """ Is the point (given as a vec2d) inside our creep's body? """ img_point = point - vec2d( int(self.pos.x - self.image_w / 2), int(self.pos.y - self.image_h / 2)) try: pix = self.image.get_at(img_point) return pix[3] > 0 except IndexError: return False def _decrease_health(self, n): """ Decrease my health by n (or to 0, if it's currently less than n) """ self.health = max(0, self.health - n) if self.health == 0: self._explode() def _explode(self): """ Starts the explosion animation that ends the Creep's life. """ self.state = Creep.EXPLODING pos = ( self.pos.x - self.explosion_images[0].get_width() / 2, self.pos.y - self.explosion_images[0].get_height() / 2) self.explode_animation = SimpleAnimation( self.screen, pos, self.explosion_images, 100, 300) global remainingCreeps remainingCreeps-=1 if remainingCreeps == 0: print("all dead") def draw(self): """ Blit the creep onto the screen that was provided in the constructor. """ if self.state == Creep.ALIVE: # The creep image is placed at self.pos. To allow for # smooth movement even when the creep rotates and the # image size changes, its placement is always # centered. # self.draw_rect = self.image.get_rect().move( self.pos.x - self.image_w / 2, self.pos.y - self.image_h / 2) self.screen.blit(self.image, self.draw_rect) # The health bar is 15x4 px. # health_bar_x = self.pos.x - 7 health_bar_y = self.pos.y - self.image_h / 2 - 6 self.screen.fill( Color('red'), (health_bar_x, health_bar_y, 15, 4)) self.screen.fill( Color('green'), ( health_bar_x, health_bar_y, self.health, 4)) elif self.state == Creep.EXPLODING: self.explode_animation.draw() elif self.state == Creep.DEAD: pass def mouse_click_event(self, pos): """ The mouse was clicked in pos. """ if self._point_is_inside(vec2d(pos)): self._decrease_health(3) #begin new player class Player(pygame.sprite.Sprite): change_x=0 change_y=0 frame = 0 def __init__(self,x,y): pygame.sprite.Sprite.__init__(self) # LOAD PLATER IMAGES # Set height, width self.images = [] for i in range(1,17): img = pygame.image.load("images/player/" + str(i)+".png").convert() #player images img.set_colorkey(white) self.images.append(img) self.image = self.images[0] self.rect = self.image.get_rect() self.rect.y = y self.rect.x = x self.health = 15 self.image_w, self.image_h = self.image.get_size() health_bar_x = self.rect.x - 7 health_bar_y = self.rect.y - self.image_h / 2 - 6 screen.fill( Color('red'), (health_bar_x, health_bar_y, 15, 4)) screen.fill( Color('green'), ( health_bar_x, health_bar_y, self.health, 4)) def changespeed(self,x,y): self.change_x+=x self.change_y+=y def _decrease_health(self, n): """ Decrease my health by n (or to 0, if it's currently less than n) """ self.health = max(0, self.health - n) if self.health == 0: self._explode() def update(self,walls): # collision detection old_x=self.rect.x new_x=old_x+self.change_x self.rect.x = new_x # hit a wall? collide = pygame.sprite.spritecollide(self, walls, False) if collide: # yes self.rect.x=old_x old_y=self.rect.y new_y=old_y+self.change_y self.rect.y = new_y collide = pygame.sprite.spritecollide(self, walls, False) if collide: # yes self.rect.y=old_y # right to left if self.change_x < 0: self.frame += 1 if self.frame > 3*4: self.frame = 0 # Grab the image, divide by 4 # every 4 frames. self.image = self.images[self.frame//4] # Move left to right. # images 4...7 instead of 0...3. if self.change_x > 0: self.frame += 1 if self.frame > 3*4: self.frame = 0 self.image = self.images[self.frame//4+4] if self.change_y > 0: self.frame += 1 if self.frame > 3*4: self.frame = 0 self.image = self.images[self.frame//4+4+4] if self.change_y < 0: self.frame += 1 if self.frame > 3*4: self.frame = 0 self.image = self.images[self.frame//4+4+4+4] score = 0 # initialize pyGame pygame.init() # 800x600 sized screen global screen screen = pygame.display.set_mode([800, 600]) screen.fill(black) #bg_tile_img = pygame.image.load('images/map/grass.png').convert_alpha() #draw_background(screen, bg_tile_img) #pygame.display.flip() # Set title pygame.display.set_caption('Test') #background = pygame.Surface(screen.get_size()) #background = background.convert() #background.fill(black) # Create the player player = Player( 50,50 ) player.rect.x=50 player.rect.y=50 movingsprites = pygame.sprite.RenderPlain() movingsprites.add(player) # Make the walls. (x_pos, y_pos, width, height) global wall_list wall_list=pygame.sprite.RenderPlain() wall=Wall(0,0,10,600) # left wall wall_list.add(wall) wall=Wall(10,0,790,10) # top wall wall_list.add(wall) #wall=Wall(10,200,100,10) # poke wall wall_list.add(wall) wall=Wall(790,0,10,600) #(x,y,thickness, height) wall_list.add(wall) wall=Wall(10,590,790,10) #(x,y,thickness, height) wall_list.add(wall) f = open('MapMaker.txt') num_lines = sum(1 for line in f) print(num_lines) lineCount = 0 with open("MapMaker.txt") as infile: for line in infile: f = open('MapMaker.txt') print(line) coords = line.split(',') #print(coords[0]) #print(coords[1]) #print(coords[2]) #print(coords[3]) #print(coords[4]) if "tree" in line: print("tree in") wall=insertTree(int(coords[0]),int(coords[1]), int(coords[2]),int(coords[3]),coords[4]) wall_list.add(wall) elif "rock" in line: print("rock in") wall=insertRock(int(coords[0]),int(coords[1]), int(coords[2]),int(coords[3]),coords[4] ) wall_list.add(wall) width = 20 height = 540 height = height - 48 for i in range(0,23): width = width + 32 name = insertTree(width,540,790,10,"tree") #wall_list.add(name) name = insertTree(width,height,690,10,"tree") #wall_list.add(name) CREEP_SPAWN_TIME = 200 # frames creep_spawn = CREEP_SPAWN_TIME clock = pygame.time.Clock() bg_tile_img = pygame.image.load('images/map/grass.png').convert() img_rect = bg_tile_img FIELD_RECT = Rect(50, 50, 700, 500) CREEP_FILENAMES = [ 'images/player/1.png', 'images/player/1.png', 'images/player/1.png'] N_CREEPS = 3 creep_images = [ pygame.image.load(filename).convert_alpha() for filename in CREEP_FILENAMES] explosion_img = pygame.image.load('images/map/tree.png').convert_alpha() explosion_images = [ explosion_img, pygame.transform.rotate(explosion_img, 90)] creeps = pygame.sprite.RenderPlain() done = False #bg_tile_img = pygame.image.load('images/map/grass.png').convert() #draw_background(screen, bg_tile_img) totalCreeps = 0 remainingCreeps = 3 while done == False: creep_images = pygame.image.load("images/player/1.png").convert() creep_images.set_colorkey(white) draw_background(screen, bg_tile_img) if len(creeps) != N_CREEPS: if totalCreeps < N_CREEPS: totalCreeps = totalCreeps + 1 print(totalCreeps) creeps.add( Creep( screen=screen, creep_image=creep_images, explosion_images=explosion_images, field=FIELD_RECT, init_position=( randint(FIELD_RECT.left, FIELD_RECT.right), randint(FIELD_RECT.top, FIELD_RECT.bottom)), init_direction=(choice([-1, 1]), choice([-1, 1])), speed=0.01)) for creep in creeps: creep.update(60,wall_list) creep.draw() for event in pygame.event.get(): if event.type == pygame.QUIT: done=True if event.type == pygame.KEYDOWN: if event.key == pygame.K_LEFT: player.changespeed(-2,0) creep.changespeed(-2,0) if event.key == pygame.K_RIGHT: player.changespeed(2,0) creep.changespeed(2,0) if event.key == pygame.K_UP: player.changespeed(0,-2) creep.changespeed(0,-2) if event.key == pygame.K_DOWN: player.changespeed(0,2) creep.changespeed(0,2) if event.key == pygame.K_ESCAPE: pauseGame() if event.key == pygame.K_1: global currentEditTool currentEditTool = "Tree" changeTool() if event.key == pygame.K_2: global currentEditTool currentEditTool = "Rock" changeTool() if event.type == pygame.KEYUP: if event.key == pygame.K_LEFT: player.changespeed(2,0) creep.changespeed(2,0) if event.key == pygame.K_RIGHT: player.changespeed(-2,0) creep.changespeed(-2,0) if event.key == pygame.K_UP: player.changespeed(0,2) creep.changespeed(0,2) if event.key == pygame.K_DOWN: player.changespeed(0,-2) creep.changespeed(0,-2) if event.type == pygame.MOUSEBUTTONDOWN and pygame.mouse.get_pressed()[0]: for creep in creeps: creep.mouse_click_event(pygame.mouse.get_pos()) if editMap == True: x,y = pygame.mouse.get_pos() if currentEditTool == "Tree": name = insertTree(x-10,y-25, 10 , 10, "tree") wall_list.add(name) wall_list.draw(screen) f = open('MapMaker.txt', "a+") image = pygame.image.load("images/map/tree.png").convert() screen.blit(image, (30,10)) pygame.display.flip() f.write(str(x) + "," + str(y) + ",790,10, tree\n") #f.write("wall=insertTree(" + str(x) + "," + str(y) + ",790,10)\nwall_list.add(wall)\n") elif currentEditTool == "Rock": name = insertRock(x-10,y-25, 10 , 10,"rock") wall_list.add(name) wall_list.draw(screen) f = open('MapMaker.txt', "a+") f.write(str(x) + "," + str(y) + ",790,10,rock\n") #f.write("wall=insertRock(" + str(x) + "," + str(y) + ",790,10)\nwall_list.add(wall)\n") else: None #pygame.display.flip() player.update(wall_list) movingsprites.draw(screen) wall_list.draw(screen) pygame.display.flip() clock.tick(60) pygame.quit()

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    import "AddBillerCategoryViewController.h" import "Globals.h" import "AddBillerViewController.h" import "AddBillerListViewController.h" import"KlinnkAppDelegate.h" @implementation AddBillerCategoryViewController @synthesize REASON, RESPVAR, currentAttribute,tbldata,strOptions; // This recipe adds a title for each section //Initialize the table view controller with the grouped style (AddBillerCategoryViewController *) init { if (self = [super initWithStyle:UITableViewStyleGrouped]);// self.title = @"Crayon Colors"; return self; } -(void)showBack { [[self navigationController] pushViewController:[[AddBillerViewController alloc] init] animated:YES]; } (void)navigationController:(UINavigationController *)navigationController willShowViewController:(UIViewController *)viewController animated:(BOOL)animated { if ([viewController isKindOfClass:[AddBillerCategoryViewController class]]) { AddBillerCategoryViewController *controller = (AddBillerCategoryViewController *)viewController; [controller.tbldata reloadData]; } } (void)viewDidLoad { appDelegate = (KlinnkAppDelegate *)[[UIApplication sharedApplication] delegate]; appDelegate.catListArray.count; // Uncomment the following line to display an Edit button in the navigation bar for this view controller. // self.navigationItem.rightBarButtonItem = self.editButtonItem; //self.navigationItem.leftBarButtonItem = [[[UIBarButtonItem alloc] // initWithTitle:@"Back" // style:UIBarButtonItemStylePlain // target:self // action:@selector(showBack)] autorelease]; if(gotOK == 0) { //self.navigationItem.leftBarButtonItem.enabled = FALSE; dt = [[DateTime alloc] init]; strChannelID = @"IGLOO|MOBILE"; strDateTime = [dt findDateTime]; strTemp = [dt findSessionTime]; strSessionID = [appDelegate.KMobile stringByAppendingString:strTemp]; strResponseURL = @"http://115.113.110.139/Test/CbbpServerRequestHandler"; strResponseVar = @"serverResponseXML"; strRequestType = @"GETCATEGORY"; NSLog(@"Current Session id - %@", strSessionID); //conn = [[NSURLConnection alloc] init]; receivedData = [[NSMutableData data] retain]; //.................... currentAttribute = [[NSMutableString alloc] init]; // create XMl xmlData = [[NSData alloc] init]; xmlData = [self createXML]; // XMl has been created now convert it in to string xmlString = [[NSString alloc] initWithData:xmlData encoding:NSASCIIStringEncoding]; // Ataching other infromatin to he xml parameterString = [[NSString alloc] initWithString:@"mobileRequestXML="]; requestString = [[NSString alloc] init]; requestString = [parameterString stringByAppendingString:xmlString]; // give space betn two element. requestString = [requestString stringByReplacingOccurrencesOfString:@"<" withString:@" <"]; // Initalizing other parameters postData = [requestString dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES]; postLength = [NSString stringWithFormat:@"%d",[postData length]]; firstRequest = [[[NSMutableURLRequest alloc] init] autorelease]; REASON = [[NSMutableString alloc] init]; RESPVAR = [[NSMutableString alloc] init]; NSLog(@"\n \n Sending for 1st time........\n"); [self sendRequest]; NSLog(@"\n \n Sending for 2nd time........\n"); [self sendRequest]; NSLog(@"\n \n both request send........\n \n "); } //[tbldata reloadData]; [self retain]; [super viewDidLoad]; } -(void)sendRequest { finished = FALSE; NSLog(@"\n Sending Request \n\n %@", requestString); conn = [[NSURLConnection alloc] init]; if(gotOK == 0) [firstRequest setURL:[NSURL URLWithString:@"http://115.113.110.139/Test/CbbpMobileRequestHandler"]]; if(gotOK == 1) { [firstRequest setURL:[NSURL URLWithString:@"http://115.113.110.139//secure"]]; gotOK = 2; } [firstRequest setHTTPMethod:@"POST"]; [firstRequest setValue:postLength forHTTPHeaderField:@"Content-Length"]; [firstRequest setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"]; [firstRequest setHTTPBody:postData]; conn = [conn initWithRequest:firstRequest delegate:self startImmediately:YES]; [conn start]; while(!finished) { [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantFuture]]; } if (conn) { //receivedData = [[NSMutableData data] retain]; NSLog(@"\n\n Received %d bytes of data",[receivedData length]); } else { NSLog(@"\n Not responding"); } } (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response { NSLog(@" \n Send didReciveResponse"); [receivedData setLength:0]; } (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data { NSLog(@" \n Send didReciveData"); [receivedData appendData:data]; } (void)connectionDidFinishLoading:(NSURLConnection *)connection { finished = TRUE; NSLog(@" \n Send didFinishLaunching"); // do something with the data // receivedData is declared as a method instance elsewhere NSLog(@"\n\n Succeeded! DIDFINISH Received %d bytes of data\n\n ",[receivedData length]); NSString *aStr = [[NSString alloc] initWithData:receivedData encoding:NSASCIIStringEncoding]; NSLog(aStr); //[conn release]; if([aStr isEqualToString:@"OK"]) gotOK = 1; NSLog(@" Value of gotOK - %d", gotOK); if(gotOK == 2) { responseData = [aStr dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES]; parser = [[NSXMLParser alloc] initWithData:responseData]; [parser setDelegate:self]; NSLog(@"\n start parsing"); [parser parse]; NSLog(@"\n PArsing over"); NSLog(@"\n check U / S and the RESVAR is - %@",RESPVAR); NSRange textRange; textRange =[aStr rangeOfString:@"<"]; if(textRange.location != NSNotFound) { if([RESPVAR isEqualToString:@"U"]) { self.navigationItem.rightBarButtonItem.enabled = TRUE; self.navigationItem.leftBarButtonItem.enabled = TRUE; NSLog(@" \n U......."); UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Error" message:REASON delegate:self cancelButtonTitle:nil otherButtonTitles:@"OK", nil]; [alert show]; [alert release]; } if([RESPVAR isEqualToString:@"S"]) { NSLog(@"\n S........"); [[self navigationController] pushViewController:[[AddBillerCategoryViewController alloc] init] animated:YES]; //[self viewDidLoad]; //[tbldata reloadData]; } } else { UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Connection Problem" message:@"Enable to process your request at this time. Please try again." delegate:self cancelButtonTitle:nil otherButtonTitles:@"OK", nil]; [alert show]; [alert release]; //self.navigationItem.leftBarButtonItem.enabled = TRUE; } } NSLog(@"\n Last line of connectionDidFinish "); //[tableView reloadData]; } -(NSData *)createXML { NSString *strXmlNode = @" channel alliaceid session reqtype responseurl responsevar "; NSString *tempchannel = [strXmlNode stringByReplacingOccurrencesOfString:@"channel" withString:strChannelID options:NSBackwardsSearch range:NSMakeRange(0, [strXmlNode length])]; NSString *tempalliance = [tempchannel stringByReplacingOccurrencesOfString:@"alliaceid" withString:@"WALLET365" options:NSBackwardsSearch range:NSMakeRange(0, [tempchannel length])]; NSString *tempsession = [tempalliance stringByReplacingOccurrencesOfString:@"session" withString:strSessionID options:NSBackwardsSearch range:NSMakeRange(0, [tempalliance length])]; NSString *tempreqtype = [tempsession stringByReplacingOccurrencesOfString:@"reqtype" withString:strRequestType options:NSBackwardsSearch range:NSMakeRange(0,[tempsession length])]; NSString *tempresponseurl = [tempreqtype stringByReplacingOccurrencesOfString:@"responseurl" withString:strResponseURL options:NSBackwardsSearch range:NSMakeRange(0, [tempreqtype length])]; NSString *tempresponsevar = [tempresponseurl stringByReplacingOccurrencesOfString:@"responsevar" withString:strResponseVar options:NSBackwardsSearch range:NSMakeRange(0,[tempresponseurl length])]; NSData *data= [[NSString stringWithString:tempresponsevar] dataUsingEncoding:NSUTF8StringEncoding]; return data; } (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict { if([elementName isEqualToString:@"RESPVAL"]) currentAttribute = [NSMutableString string]; if([elementName isEqualToString:@"REASON"]) currentAttribute = [NSMutableString string]; if([elementName isEqualToString:@"COUNT"]) currentAttribute = [NSMutableString string]; if([elementName isEqualToString:@"CATNAME"]) currentAttribute = [NSMutableString string]; } (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName { if([elementName isEqualToString:@"RESPVAL"]) { [RESPVAR setString:currentAttribute]; //NSLog(@"\n Response VAR - %@", RESPVAR); } if([elementName isEqualToString:@"REASON"]) { [REASON setString:currentAttribute]; //NSLog(@"\n Reason - %@", REASON); } if([elementName isEqualToString:@"COUNT"]) { NSString *temp1 = [[NSString alloc] init]; temp1 = [temp1 stringByAppendingString:currentAttribute]; catCount = [temp1 intValue]; [temp1 release]; //NSLog(@"\n Cat Count - %d", catCount); } if([elementName isEqualToString:@"CATNAME"]) { [appDelegate.catListArray addObject:[NSString stringWithFormat:currentAttribute]]; //NSLog(@"%@", appDelegate.catListArray); } } (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string { if(self.currentAttribute) [self.currentAttribute setString:string]; } /* (void)viewWillAppear:(BOOL)animated { [super viewWillAppear:animated]; } */ /* (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; } */ /* (void)viewWillDisappear:(BOOL)animated { [super viewWillDisappear:animated]; } */ /* (void)viewDidDisappear:(BOOL)animated { [super viewDidDisappear:animated]; } */ /* // Override to allow orientations other than the default portrait orientation. (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { // Return YES for supported orientations return (interfaceOrientation == UIInterfaceOrientationPortrait); } */ (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Releases the view if it doesn't have a superview // Release anything that's not essential, such as cached data } pragma mark Table view methods -(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { return 1; } // Customize the number of rows in the table view. -(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { KlinnkAppDelegate *appDelegated = (KlinnkAppDelegate *)[[UIApplication sharedApplication] delegate]; return appDelegated.catListArray.count; } // Customize the appearance of table view cells. (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:CellIdentifier] autorelease]; } // Set up the cell... AddBillerCategoryViewController *mbvc = (AddBillerCategoryViewController *)[appDelegate.catListArray objectAtIndex:indexPath.row]; [cell setText:mbvc.strOptions]; return cell; } (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { // Navigation logic may go here. Create and push another view controller. // AnotherViewController *anotherViewController = [[AnotherViewController alloc] initWithNibName:@"AnotherView" bundle:nil]; // [self.navigationController pushViewController:anotherViewController]; // [anotherViewController release]; gotOK = 0; int j = indexPath.row; appDelegate.catName = [[NSString alloc] init]; appDelegate.catName = [appDelegate.catName stringByAppendingString:[appDelegate.catListArray objectAtIndex:j]]; [[self navigationController] pushViewController:[[AddBillerListViewController alloc] init] animated:YES]; } /* // Override to support conditional editing of the table view. (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath { // Return NO if you do not want the specified item to be editable. return YES; } */ /* // Override to support editing the table view. (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath { if (editingStyle == UITableViewCellEditingStyleDelete) { // Delete the row from the data source [tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:YES]; } else if (editingStyle == UITableViewCellEditingStyleInsert) { // Create a new instance of the appropriate class, insert it into the array, and add a new row to the table view } } */ /* // Override to support rearranging the table view. (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)fromIndexPath toIndexPath:(NSIndexPath *)toIndexPath { } */ /* // Override to support conditional rearranging of the table view. (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath { // Return NO if you do not want the item to be re-orderable. return YES; } */ (void)dealloc { [REASON release]; [RESPVAR release]; [currentAttribute release]; [tbldata release]; [super dealloc]; } @end In the Above code .. numberOfSectionsInTableView ,i get error of obj-msg-send i have intialize the array catlist and even not released it anywhere still why i am getting this error please help me i am badly stuck' thanks in advacnce

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  • Ejabberd clustering problem with amazon EC2 server

    - by user353362
    Hello Guys! I have been trying to install ejabberd server on Amazons EC2 instance. I am kinds a stuck at this step right now. I am following this guide: http://tdewolf.blogspot.com/2009/07/clustering-ejabberd-nodes-using-mnes... From the guide I have sucessfully completed the Set up First Node (on ejabberd1) part. But am stuck in part 4 of Set up Second Node (on ejabberd2) So all in all, I created the main node and am able to run the server on that node and access its admin console from then internet. In the second node I have installed ejabberd. But I am stuck at point 4 of setting up the node instruction presented in this blog (http://tdewolf.blogspot.com/2009/07/clustering-ejabberd-nodes-using-mnes...). I execute this command " erl -sname ejabberd@domU-12-31-39-0F-7D-14 -mnesia dir '"/var/lib/ejabberd/"' -mnesia extra_db_nodes "['ejabberd@domU-12-31-39-02-C8-36']" -s mnesia " on the second server and get a crashing error: root@domU-12-31-39-0F-7D-14:/var/lib/ejabberd# erl -sname ejabberd@domU-12-31-39-0F-7D-14 -mnesia dir '"/var/lib/ejabberd/"' -mnesia extra_db_nodes "['ejabberd@domU-12-31-39-02-C8-36']" -s mnesia {error_logger,{{2010,5,28},{23,52,25}},"Protocol: ~p: register error: ~p~n",["inet_tcp",{{badmatch,{error,duplicate_name}},[{inet_tcp_dist,listen,1},{net_kernel,start_protos,4},{net_kernel,start_protos,3},{net_kernel,init_node,2},{net_kernel,init,1},{gen_server,init_it,6},{proc_lib,init_p_do_apply,3}]}]} {error_logger,{{2010,5,28},{23,52,25}},crash_report,[[{pid,<0.21.0},{registered_name,net_kernel},{error_info,{exit,{error,badarg},[{gen_server,init_it,6},{proc_lib,init_p_do_apply,3}]}},{initial_call,{net_kernel,init,['Argument__1']}},{ancestors,[net_sup,kernel_sup,<0.8.0]},{messages,[]},{links,[#Port<0.52,<0.18.0]},{dictionary,[{longnames,false}]},{trap_exit,true},{status,running},{heap_size,610},{stack_size,23},{reductions,518}],[]]} {error_logger,{{2010,5,28},{23,52,25}},supervisor_report,[{supervisor,{local,net_sup}},{errorContext,start_error},{reason,{'EXIT',nodistribution}},{offender,[{pid,undefined},{name,net_kernel},{mfa,{net_kernel,start_link,[['ejabberd@domU-12-31-39-0F-7D-14',shortnames]]}},{restart_type,permanent},{shutdown,2000},{child_type,worker}]}]} {error_logger,{{2010,5,28},{23,52,25}},supervisor_report,[{supervisor,{local,kernel_sup}},{errorContext,start_error},{reason,shutdown},{offender,[{pid,undefined},{name,net_sup},{mfa,{erl_distribution,start_link,[]}},{restart_type,permanent},{shutdown,infinity},{child_type,supervisor}]}]} {error_logger,{{2010,5,28},{23,52,25}},crash_report,[[{pid,<0.7.0},{registered_name,[]},{error_info,{exit,{shutdown,{kernel,start,[normal,[]]}},[{application_master,init,4},{proc_lib,init_p_do_apply,3}]}},{initial_call,{application_master,init,['Argument_1','Argument_2','Argument_3','Argument_4']}},{ancestors,[<0.6.0]},{messages,[{'EXIT',<0.8.0,normal}]},{links,[<0.6.0,<0.5.0]},{dictionary,[]},{trap_exit,true},{status,running},{heap_size,233},{stack_size,23},{reductions,123}],[]]} {error_logger,{{2010,5,28},{23,52,25}},std_info,[{application,kernel},{exited,{shutdown,{kernel,start,[normal,[]]}}},{type,permanent}]} {"Kernel pid terminated",application_controller,"{application_start_failure,kernel,{shutdown,{kernel,start,[normal,[]]}}}"} Crash dump was written to: erl_crash.dump Kernel pid terminated (application_controller) ({application_start_failure,kernel,{shutdown,{kernel,start,[normal,[]]}}}) root@domU-12-31-39-0F-7D-14:/var/lib/ejabberd# any idea what going on? I am not really sure how to solve this problem :S how to let ejabberd only access register from one special server? › Is that the right way of copying .erlang.cookie file? Submitted by privateson on Sat, 2010-05-29 00:11. before this I was getting this error (see below), I solved it by running this command: chmod 400 .erlang.cookie Also to copy the cookie I simply created a file using vi on the second server and copied the secret code from server one to the second server. Is that the right way of copying .erlang.cookie file? ERROR ~~~~~~~~~~ root@domU-12-31-39-0F-7D-14:/etc/ejabberd# erl -sname ejabberd@domU-12-31-39-0F-7D-14 -mnesia dir '"/var/lib/ejabberd/"' -mnesia extra_db_nodes "['ejabberd@domU-12-31-39-02-C8-36']" -s mnesia {error_logger,{{2010,5,28},{23,28,56}},"Cookie file /root/.erlang.cookie must be accessible by owner only",[]} {error_logger,{{2010,5,28},{23,28,56}},crash_report,[[{pid,<0.20.0},{registered_name,auth},{error_info,{exit,{"Cookie file /root/.erlang.cookie must be accessible by owner only",[{auth,init_cookie,0},{auth,init,1},{gen_server,init_it,6},{proc_lib,init_p_do_apply,3}]},[{gen_server,init_it,6},{proc_lib,init_p_do_apply,3}]}},{initial_call,{auth,init,['Argument__1']}},{ancestors,[net_sup,kernel_sup,<0.8.0]},{messages,[]},{links,[<0.18.0]},{dictionary,[]},{trap_exit,true},{status,running},{heap_size,987},{stack_size,23},{reductions,439}],[]]} {error_logger,{{2010,5,28},{23,28,56}},supervisor_report,[{supervisor,{local,net_sup}},{errorContext,start_error},{reason,{"Cookie file /root/.erlang.cookie must be accessible by owner only",[{auth,init_cookie,0},{auth,init,1},{gen_server,init_it,6},{proc_lib,init_p_do_apply,3}]}},{offender,[{pid,undefined},{name,auth},{mfa,{auth,start_link,[]}},{restart_type,permanent},{shutdown,2000},{child_type,worker}]}]} {error_logger,{{2010,5,28},{23,28,56}},supervisor_report,[{supervisor,{local,kernel_sup}},{errorContext,start_error},{reason,shutdown},{offender,[{pid,undefined},{name,net_sup},{mfa,{erl_distribution,start_link,[]}},{restart_type,permanent},{shutdown,infinity},{child_type,supervisor}]}]} {error_logger,{{2010,5,28},{23,28,56}},crash_report,[[{pid,<0.7.0},{registered_name,[]},{error_info,{exit,{shutdown,{kernel,start,[normal,[]]}},[{application_master,init,4},{proc_lib,init_p_do_apply,3}]}},{initial_call,{application_master,init,['Argument_1','Argument_2','Argument_3','Argument_4']}},{ancestors,[<0.6.0]},{messages,[{'EXIT',<0.8.0,normal}]},{links,[<0.6.0,<0.5.0]},{dictionary,[]},{trap_exit,true},{status,running},{heap_size,233},{stack_size,23},{reductions,123}],[]]} {error_logger,{{2010,5,28},{23,28,56}},std_info,[{application,kernel},{exited,{shutdown,{kernel,start,[normal,[]]}}},{type,permanent}]} {"Kernel pid terminated",application_controller,"{application_start_failure,kernel,{shutdown,{kernel,start,[normal,[]]}}}"} Crash dump was written to: erl_crash.dump Kernel pid terminated (application_controller) ({application_start_failure,kernel,{shutdown,{kernel,start,[normal,[]]}}}) root@domU-12-31-39-0F-7D-14:/var/lib/ejabberd# cat /var/log/ejabberd/ejabberd.log =INFO REPORT==== 2010-05-28 22:48:53 === I(<0.321.0:mod_pubsub:154) : pubsub init "localhost" [{access_createnode, pubsub_createnode}, {plugins, ["default","pep"]}] =INFO REPORT==== 2010-05-28 22:48:53 === I(<0.321.0:mod_pubsub:210) : ** tree plugin is nodetree_default =INFO REPORT==== 2010-05-28 22:48:53 === I(<0.321.0:mod_pubsub:214) : ** init default plugin =INFO REPORT==== 2010-05-28 22:48:53 === I(<0.321.0:mod_pubsub:214) : ** init pep plugin =ERROR REPORT==== 2010-05-28 23:40:08 === ** Connection attempt from disallowed node 'ejabberdctl1275090008486951000@domU-12-31-39-0F-7D-14' ** =ERROR REPORT==== 2010-05-28 23:41:10 === ** Connection attempt from disallowed node 'ejabberdctl1275090070163253000@domU-12-31-39-0F-7D-14' **

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  • The "correct" way to define an exception in Python without PyLint complaining

    - by Evgeny
    I'm trying to define my own (very simple) exception class in Python 2.6, but no matter how I do it I get some warning. First, the simplest way: class MyException(Exception): pass This works, but prints out a warning at runtime: DeprecationWarning: BaseException.message has been deprecated as of Python 2.6 OK, so that's not the way. I then tried: class MyException(Exception): def __init__(self, message): self.message = message This also works, but PyLint reports a warning: W0231: MyException.__init__: __init__ method from base class 'Exception' is not called. So I tried calling it: class MyException(Exception): def __init__(self, message): super(Exception, self).__init__(message) self.message = message This works, too! But now PyLint reports an error: E1003: MyException.__init__: Bad first argument 'Exception' given to super class How the hell do I do such a simple thing without any warnings?

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  • Emacs: Define a function which loads the file where the function itself is defined

    - by damd
    I'm refactoring a bit in my Emacs set up and have come to the conclusion that I want to use a different init file than the default one. So basically, in my ~/.emacs file, I have this: (load "/some/directory/init.el") Up until now, that's been working just fine. However, now I want to redefine an old command that I've used for ages, which opens my init file: (defun conf () "Open a buffer with the user init file." (interactive) (find-file user-init-file)) As you can see, this will open ~/.emacs no matter what I do. I want it to open /some/directory/init.el, or wherever the conf command itself is defined. How would I do that?

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  • Read from file in eclipse

    - by Buzkie
    I'm trying to read from a text file to input data to my java program. However, eclipse continuosly gives me a Source not found error no matter where I put the file. I've made an additional sources folder in the project directory, the file in question is in both it and the bin file for the project and it still can't find it. I even put a copy of it on my desktop and tried pointing eclipse there when it asked me to browse for the source lookup path. No matter what I do it can't find the file. here's my code in case it's pertinent: System.out.println(System.getProperty("user.dir")); File file = new File("file.txt"); Scanner scanner = new Scanner(file); in addition, it says the user directory is the project directory and there is a copy there too. I have no clue what to do. Thanks, Alex after attempting the suggestion below and refreshing again, I was greeted by a host of errors. FileNotFoundException(Throwable).<init>(String) line: 195 FileNotFoundException(Exception).<init>(String) line: not available FileNotFoundException(IOException).<init>(String) line: not available FileNotFoundException.<init>(String) line: not available URLClassPath$JarLoader.getJarFile(URL) line: not available URLClassPath$JarLoader.access$600(URLClassPath$JarLoader, URL) line: not available URLClassPath$JarLoader$1.run() line: not available AccessController.doPrivileged(PrivilegedExceptionAction<T>) line: not available [native method] URLClassPath$JarLoader.ensureOpen() line: not available URLClassPath$JarLoader.<init>(URL, URLStreamHandler, HashMap) line: not available URLClassPath$3.run() line: not available AccessController.doPrivileged(PrivilegedExceptionAction<T>) line: not available [native method] URLClassPath.getLoader(URL) line: not available URLClassPath.getLoader(int) line: not available URLClassPath.access$000(URLClassPath, int) line: not available URLClassPath$2.next() line: not available URLClassPath$2.hasMoreElements() line: not available ClassLoader$2.hasMoreElements() line: not available CompoundEnumeration<E>.next() line: not available CompoundEnumeration<E>.hasMoreElements() line: not available ServiceLoader$LazyIterator.hasNext() line: not available ServiceLoader$1.hasNext() line: not available LocaleServiceProviderPool$1.run() line: not available AccessController.doPrivileged(PrivilegedExceptionAction<T>) line: not available [native method] LocaleServiceProviderPool.<init>(Class<LocaleServiceProvider>) line: not available LocaleServiceProviderPool.getPool(Class<LocaleServiceProvider>) line: not available NumberFormat.getInstance(Locale, int) line: not available NumberFormat.getNumberInstance(Locale) line: not available Scanner.useLocale(Locale) line: not available Scanner.<init>(Readable, Pattern) line: not available Scanner.<init>(ReadableByteChannel) line: not available Scanner.<init>(File) line: not available code used: System.out.println(System.getProperty("user.dir")); File file = new File(System.getProperty("user.dir") + "/file.txt"); Scanner scanner = new Scanner(file);

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  • how to use listctrl in notebook wxPython

    - by ???
    I have one question.. wxPython listctrl in notebook I created 2 tab use notebook. I added button in first tab and added Listctrl in second tab. If i click the button, Add value in Listctrl to second tab. how to solve this problem? import wx class PageOne(wx.Panel): def __init__(self, parent): wx.Panel.__init__(self, parent) self.query_find_btn = wx.Button(self, 4, "BTN", (40,40)) self.Bind(wx.EVT_BUTTON, self.AddList, id = 4) def AddList(self, evt): self.list1.InsertStringItem(0,'Hello') class PageTwo(wx.Panel): def __init__(self, parent): wx.Panel.__init__(self, parent) self.list1 = wx.ListCtrl(self,-1,wx.Point(0,0),wx.Size(400,400),style=wx.LC_REPORT | wx.SUNKEN_BORDER) self.list1.InsertColumn(0,'values') class MyFrame(wx.Frame): def __init__(self, parent, id, title): wx.Frame.__init__(self,parent,id,title,size=(400,400),pos=wx.Point(100,100), style=wx.SYSTEM_MENU |wx.CAPTION ) p = wx.Panel(self) nb = wx.Notebook(p) MainFrame = PageOne(nb) SecondFrame = PageTwo(nb) nb.AddPage(MainFrame, "One") nb.AddPage(SecondFrame, "Two") sizer = wx.BoxSizer() sizer.Add(nb, 1, wx.EXPAND) p.SetSizer(sizer) class MyApp(wx.App): def OnInit(self): self.frame=MyFrame(None,-1,'Unknown.py') self.frame.Centre() self.frame.Show() return True if __name__ == '__main__': app = MyApp(False) app.MainLoop()

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