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  • [Java2D] Is this bad practice? Multiple Graphics2D Objects

    - by m00st
    I've created a JPanel canvas that holds all graphics; namely JLabel. To get animated sprites to work you have to over ride the paintComponent of the extended JLabel class. I've successfully implemented animated sprites this way. Is it bad practice to have a Graphics2D canvas and then have multiple 'images' in their own Graphics2D?

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  • Error running celeryd

    - by Eric Palakovich Carr
    I'm posting this question (and answer) so if anybody else has this problem in the future, you'll be able to google it. If you are trying to run celeryd in Django like so: python manage.py celeryd You can receive the following error immediately after it has started: celery@eric-desktop-dev has started. Traceback (most recent call last): File "manage.py", line 11, in <module> execute_manager(settings) <... snip ...> File "/usr/local/lib/python2.6/dist-packages/amqplib-0.6.1-py2.6.egg/amqplib/client_0_8/connection.py", line 134, in __init__ self._x_start_ok(d, login_method, login_response, locale) File "/usr/local/lib/python2.6/dist-packages/amqplib-0.6.1-py2.6.egg/amqplib/client_0_8/connection.py", line 704, in _x_start_ok args.write_longstr(response) File "/usr/local/lib/python2.6/dist-packages/amqplib-0.6.1-py2.6.egg/amqplib/client_0_8/serialization.py", line 352, in write_longstr self.write_long(len(s)) TypeError: object of type 'NoneType' has no len() A rather cryptic error message, with no real clue as to where to go to fix the problem. See below for the answer so you don't waste a bunch of time on this error like I did today :)

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  • Running a Python script outside of Django

    - by geejay
    I have a script which uses the Django ORM features, amongst other external libraries, that I want to run outside of Django (that is, executed from the command-line). Edit: At the moment, I can launch it by navigating to a URL... How do I setup the environment for this?

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  • ConfigurationErrorsException when running multiple instances due to file locking

    - by dr. evil
    I'm using My.Settings in my VB.NET application and when we run multiple instances rarely it's giving a ConfigurationErrorsException because the settings file locked by another instance. Is there anyway to fix this? This is happening during the OnShutdown process, also I'm not quite sure how can I catch that exception and handle it. Only thing I can think of is disabling onshutdown save and manually save it during the shutdown with extra retry + locking + exception handling.

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  • Running pl/sql in Korn Shell(AIX)

    - by learner135
    I have a file to execute in Ksh written by someone. It has a set of commands to execute in sqlplus. It starts with, sqlplus -s $UP <<- END followed by a set of ddl commands such as create,drop,etc., When I execute the file in the shell, I get the error in the starting line quoted above. I understand "-s" starts the sqlplus in silent mode and $UP is the connection string with username/password. But I couldn't make heads or tails of "<<- END" part(Many sites from google says input redirection is "<<" not "<<-"). So I presumed the error must be in that part and removed it from the file. Now it reads, sqlplus -s $UP But once I execute the file, It waits for input from the shell, instead of reading the rest of the lines from the file. How would I make sqlplus to execute the ddl commands in the rest of the file?. Thanks in advance.

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  • NSNotification on multiple objects

    - by Jan Hendrix
    Hi, In my NSApp delegate I add an observer of an object that is an NSWindow subclass that gets initiated in the delegate itself and that posts a notification once the window gets clicked. The selector is also in the delegate. From that same delegate class I initiate another object which when initiated adds itself as an observer for another window of the same NSWindow subclass of above and the selector is in this newly initiated class too. Both notifications get posted but the problem is that they get posted in both classes... Is this normal? I was hoping that it only got posted once.

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  • Application crashes when running in iPhone simulator 3.2 (Works fine in simulator 3.0)

    - by amitabh
    I just upgraded to SDK 3.2. My application runs in Simulator 3.0 in debug mode but when I change the Simulator to run with 3.2 it crashes with EXEC_BAD_ACCESS. It is crashing at objc_msgsend method. int main(int argc, char *argv[]) { NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init]; int retVal = UIApplicationMain(argc, argv, nil, nil); <======== THE STACK TRACE starts here. [pool release]; return retVal; } Any idea what is going on? I have absolutely no clue. Any help/suggestion will be greatly appreciated? Thanks A

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  • COM-Objects containing maps / content error(0)

    - by Florian Berzsenyi
    I'm writing a small wrapper to get familiar with some important topics in C++ (WinAPI, COM, STL,OOP). For now, my class shall be able to create a (child) window. Mainly, this window is connected to a global message loop that distribute messages to a local loop of the right instance (global is static, local is virtual). Obviously, there are surely better ways to do that but I'm using std::maps to store HWND and their instance pointer in pairs (the Global loop looks for the pointer with the HWND-parameter, gets itself the pointer from the map and calls then the local loop). Now, it appears that the map does not accept any values because of a unknown reason. It seems to allocate enough space but something went wrong anyway [ (error) 0 is displayed instead of the entries in visual C++). I've looked that up in google as well and found out that maps cause some trouble when used in classes AND DLLs. May this be the reason and is there any solution?? Protected scope of class: static std::map<HWND,MAP_BASE_OBJECT*> m_LoopBuf Implementation in .cpp-file: std::map<HWND,MAP_BASE_OBJECT*> HWindow::m_LoopBuf;

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  • Mock Assertions on objects inside Parallel ForEach's???

    - by jacko
    Any idea how we can assert a mock object was called when it is being accessed inside Parallel.ForEach via a closure? I assume that because each invocation is on a different thread that Rhino Mocks loses track of the object? Pseudocode: var someStub = MockRepository.GenerateStub() Parallel.Foreach(collectionOfInts, anInt => someStub.DoSomething(anInt)) someStub.AssertWasCalled(s => s.DoSomething, Repeat.Five.Times) This test will return an expectation violation, expecting the stub to be called 5 times but being actually called 0 times. Any ideas how we can tell the lambdas to keep track of the thread-local stub object?

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  • Spaceship objects

    - by Jam
    I'm trying to make a program which creates a spaceship and I'm using the status() method to display the ship's name and fuel values. However, it doesn't seem to be working. I think I may have messed something up with the status() method. I'm also trying to make it so that I can change the fuel values, but I don't want to create a new method to do so. I think I've taken a horrible wrong turn somewhere in there. Help please! class Ship(object): def __init__(self, name="Enterprise", fuel=0): self.name=name self.fuel=fuel print "The spaceship", name, "has arrived!" def status(): print "Name: ", self.name print "Fuel level: ", self.fuel status=staticmethod(status) def main(): ship1=Ship(raw_input("What would you like to name this ship?")) fuel_level=raw_input("How much fuel does this ship have?") if fuel_level<0: self.fuel=0 else: self.fuel(fuel_level) ship2=Ship(raw_input("What would you like to name this ship?")) fuel_level2=raw_input("How much fuel does this ship have?") if fuel_level2<0: self.fuel=0 else: self.fuel(fuel_level2) ship3=Ship(raw_input("What would you like to name this ship?")) fuel_level3=raw_input("How much fuel does this ship have?") if fuel_level3<0: self.fuel=0 else: self.fuel(fuel_level3) Ship.status() main() raw_input("Press enter to exit.")

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  • Core data, sorting one-to-many child objects

    - by Shizam
    So if I have a store of parents children and the parent has a one to many relationship to children (parent.children) and they all have first names. Now, on the initial fetch for parents I can specify a sort descriptor to get them back in order of first name but how can I request the children in order? If I do a [parent.children allObjects] it just gives them back in a jumble and I'd have to sort after the fact, every time. Thanks, Sam

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  • Running mysql query using node blocks the whole process and then timesout

    - by lobengula3rd
    I have a node javascript that uses mysql npm (Felix). I have a procedure stored in my DB which I call when the user selects an option to kind of create its own instance of the program. The user chooses for how long he wants that data to be initialized for him. This is suppsoed to be between 1 and 2 years. So if he choose 1 year this query will insert around 20,000 rows into 1 table. If I run this query and a local DB this takes around 30 seconds (I suppose it is reasonable because its a big query which should be done only once in 1 or 2 years so its ok). For some reason my node script freezes as if it can't handle any more calls from other users. The even worse problem is that after like 2 minutes my client ui gets like an error from the server. At this point not all the data that was supposed to enter the DB is entered. After waiting like another minute all the data finally gets to the DB and only then it will accept new requests. This is my connection: this.connection = mysql.createConnection({ host : '********rds.amazonaws.com', user : 'admin', password : '******', database : '*****' }); and this is my query function: this.createCourts = function (req, res, next){ connection.query('CALL filldates("' + req.body['startDate'] + '","' + req.body['endDate'] + '","' + req.body['numOfCourts'] + '","' + req.body['duration'] + '","' + req.body['sundayOpen'] + '","' + req.body['mondayOpen'] + '","' + req.body['tuesdayOpen'] + '","' + req.body['wednesdayOpen'] + '","' + req.body['thursdayOpen'] + '","' + req.body['fridayOpen'] + '","' + req.body['saturdayOpen'] + '","' + req.body['sundayClose'] + '","' + req.body['mondayClose'] + '","' + req.body['tuesdayClose'] + '","' + req.body['wednesdayClose'] + '","' + req.body['thursdayClose'] + '","' + req.body['fridayClose'] + '","' + req.body['saturdayClose'] + '");', function(err){ if (err){ console.log(err); } else return res.send(200); }); }; what am i missing here? as i understand connection.query should by async so why is it actually blocking my node script? thanks.

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  • include external jar when running java -jar

    - by prmatta
    From my readings, when you execute a command as follows: java -jar foo.jar Then the main classpath is ignored and the classpath is taken from the manifest file. Further, the classpath declared on the command line is also ignored. So in: java -classpath /usr/local/jar/foobar.jar -jar foo.jar /usr/local/jar/foobar.jar is ignored. Lastly, I have read that the manifest file can only only contain relative paths, within the jar file. So, how do you include absolute paths to external jars, that are present on the system, but not in the jar file being executed?

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  • Running Endpoint locally could not provide access to API explorer when HTTP proxy is enabled

    - by harik
    I'm using Android Studio(0.5.8) on Window7 x64 for developing my Android App with Google AppEngine backend. If my machine is having direct internet access and I launch backend locally (as DevApp Server) and access my API Endpoints through webbrowser (chrome) it is all working as expected. Accessing api explorer is also working fine from webbrowser. http://localhost:8080/_ah/api/explorer But if I have configured internet through http proxy (in Android Studio and also in webbrowser) then webbrowser displays initial page of backend but can't access endpoint api explorer. And deploying appbackend in Google AppEngine also fails with errors. gradlew backend:appengineUpdate Same is working fine if direct internet access is available (not via http proxy). How can we make it work with http proxy also? Any help is appreciated, Thanks.

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  • running the ramaze blog example - an error message

    - by Delirium tremens
    deltrem@deltrem-desktop:~/ramaze web/app/blog$ ruby start.rb I [2010-06-10 14:53:33 $1886] INFO | : activating sequel I [2010-06-10 14:53:33 $1886] INFO | : Installing sequel /usr/local/lib/site_ruby/1.8/rubygems/remote_fetcher.rb:124:in `initialize': Permission denied - /home/deltrem/.gem/ruby/1.8/cache/sequel-3.9.0.gem (Errno::EACCES) from /usr/local/lib/site_ruby/1.8/rubygems/remote_fetcher.rb:124:in `open' from /usr/local/lib/site_ruby/1.8/rubygems/remote_fetcher.rb:124:in `download' from /usr/local/lib/site_ruby/1.8/rubygems/dependency_installer.rb:257:in `install' from /usr/local/lib/site_ruby/1.8/rubygems/dependency_installer.rb:247:in `each' from /usr/local/lib/site_ruby/1.8/rubygems/dependency_installer.rb:247:in `install' from /usr/lib/ruby/gems/1.8/gems/ramaze-2010.04.04/lib/ramaze/setup.rb:91:in `install_gem' from /usr/lib/ruby/gems/1.8/gems/ramaze-2010.04.04/lib/ramaze/setup.rb:102:in `temp_argv' from /usr/lib/ruby/gems/1.8/gems/ramaze-2010.04.04/lib/ramaze/setup.rb:89:in `install_gem' from /usr/lib/ruby/gems/1.8/gems/ramaze-2010.04.04/lib/ramaze/setup.rb:80:in `setup_gem' from /usr/lib/ruby/gems/1.8/gems/ramaze-2010.04.04/lib/ramaze/setup.rb:63:in `setup' from /usr/lib/ruby/gems/1.8/gems/ramaze-2010.04.04/lib/ramaze/setup.rb:62:in `each' from /usr/lib/ruby/gems/1.8/gems/ramaze-2010.04.04/lib/ramaze/setup.rb:62:in `setup' from /usr/lib/ruby/gems/1.8/gems/ramaze-2010.04.04/lib/ramaze/setup.rb:44:in `run' from /usr/lib/ruby/gems/1.8/gems/ramaze-2010.04.04/lib/ramaze/setup.rb:38:in `initialize' from /usr/lib/ruby/gems/1.8/gems/ramaze-2010.04.04/lib/ramaze/setup.rb:29:in `new' from /usr/lib/ruby/gems/1.8/gems/ramaze-2010.04.04/lib/ramaze/setup.rb:29:in `setup' from ./app.rb:4 from start.rb:3:in `require' from start.rb:3

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  • running .net application over a network

    - by Marlon
    Hello, I need some advice please. I need to enable a .Net application to run over a network share, the problem is that this will be on clients network shares and so the path will not be identical. I've had a quick look at ClickOnce and the publish options in VS2008 but it wants a specific network share location - and I'm assuming this location gets stored somewhere when it does its thing. At the moment the job is being done with a old VB6 application and so gets around all these security issues, but that application is poorly written and almost impossible to maintain so it really needs to go. Is it possible for the domain controller to be set up to allow this specific .Net application to execute? Any other options would be welcomed as I want to get this little application is very business critical. I aught to say that the client networks are schools, and thus are often quite locked down as are the client machines, so manually adding exceptions to each client machine is a big no no. Marlon --Edit-- Apologies, I forgot to mention we're restricted to .net 2.0 for the moment, we are planning to upgrade this to 4.0 but that won't be immediate.

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  • Running a simple VBA script to test a connection

    - by brohjoe
    I'm trying to test the connection of a GoDaddy SQL Server database. I'm getting an 'invalid connection string attribute.' What's wrong with this script? Dim cnn As ADODB.Connection Dim canConnect As Boolean Public Sub TestConnection() Set cnn = New ADODB.Connection cnn.Open "Provider=sqloledb;Data Source=GoDaddyServer.com;Initial Catalog=dBase1;UserID=userID; Password='password';" If cnn.State = adStateOpen Then canConnect = True cnn.Close End If MsgBox canConnect End Sub

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  • Tomcat not showing Spring Context initialization errors when running from Eclipse WTP

    - by SourceRebels
    Hi all, Im working with Eclipse Galileo (WTP), Spring 2.5.6-SEC01 and Apache Tomcat 5.5.28. When I run my application from Eclipse, I'm able to see Tomcat standard output and error from the console view. When there is a Spring initialization error (ex: malformed spring XML) I'm not able to see the error message or the stacktrace at the Console view. Anyone found before a problem like this? how you solve it? Thanks in advance, I'm getting mad :-) Edited: I'm seeing all Tomcat startup messages and my System.out.println and System.err.println messages in Eclipse Console. I also try to pass this two system properties to my Tomcat Server: -Djava.util.logging.manager="org.apache.juli.ClassLoaderLogManager" -Djava.util.logging.config.file="C:\apache-tomcat-5.5.28\conf\logging.properties"

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  • running a program in Unix vs in Windows

    - by Hristo
    I'm compiling a simple program written in C and I'm using Eclipse as an IDE, both in Windows 7 and on my MacBook Pro. Very simple program my friend wrote and asked me to help him with: int a = 0; char b[2]; printf("Input first class info:\n"); printf("Credit Hours: \n"); scanf("%d", &a); printf("Letter Grade: "); scanf("%s", b); So when I run this on my mac, each line prints and when I encounter the scanf(), I can input and continue as expected. In Windows, I have to input everything and then it will print all the lines. I'm not sure why this is happening... what is the difference b/w Windows and Mac here? Mac: Input first class info: Credit Hours: 4 Letter Grade: B+ Windows: 4 B+ Input first class info: Credit Hours: Letter Grade: Thanks, Hristo

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