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  • How to get around the event bubble using jQuery's: .live()

    - by Nick
    Hi there. Here is the code in question: $(".navItems>ul>li").live('click', function(){ var selectorID = $(this).attr('id'); $(".infoList").slideUp('fast', function(){ switchTabInfo(selectorID); }); function switchTabInfo(selectorID){ var actionID = selectorID.substring(4); actionID = "#" + actionID; $(actionID).slideDown(); } So in short i have a these .infoList classes with id names tied to back to the nav li id. That lists item's id might be nav_testsHistory for example. With all the content boxes hidden by class name this javascript makes a pleasing slide up, down effect. But the third content box flickers as will the second one after a third box push. It slides up and down a second unnecessary time. If I add an alert like this: $(".navItems>ul>li").live('click', function(){ var selectorID = $(this).attr('id'); $(".infoList").slideUp('fast', function(){ switchTabInfo(selectorID); alert('bubble'); }); The alert fires 3 times?! So my research took to reading about the event bubble. What I cannot find is how to check if it has been fired. I have not tried setting an input val and doing a tf test around the nested slider action. Cause that's crude. More info, all the code above is in a function, which is in an init() function, which is called on document ready. That's the only js file besides jquery 1.3.2. What do you guys think?

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  • Rails 2.3.2 trying to render ERB instead of HAML

    - by c00lryguy
    Rails is suddenly trying to render ERB instead of Haml and I can't figure out why. I've created new rails projects, reinstalled Haml, and reinstalled Rails. Here's exactly the steps I take when making my application (Rails 2.3.2): rails> rails test rails> cd test rails\test> haml --rails . rails\test> ruby script\generate model user email:string password:string rails\test> ruby script\generate controller users index rails\test> rake db:migrate Here's what the UsersController looks like: class UsersController < ApplicationController def index @users = User.all end end My routes: ActionController::Routing::Routes.draw do |map| map.resources :users end I now create views\users\index.html.haml: %table %th(style="text-align: left;") %h1 Users - for user in @users %tr %td= user.email %td= user.password Annnd run the server... I navigate to localhost:3000\users and I get this error message: Template is missing Missing template users/index.erb in view path app/views For some reason Rails is trying to find and render .erb files instead of .haml files. vendor\plugins\haml\init.rb exists, untouched. I've reinstalled Haml (Pretty Penny) multiple times and still get the same results. I've also tried adding config.gem 'haml' to my environment.rb but this also doesn't work. I can't figure out why suddenly rails will not render haml for me.

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  • NSThread terminating too early

    - by JustinXXVII
    I have an app that uploads to Google Spreadsheets via the GData ObjC client for Mac/iPhone. It works fine as is. I'm trying to get the upload portion on its own thread and I'm attempting to call the upload method on a new thread. Look: -(void)establishNewThreadToUpload { [NSThread detachNewThreadSelector:@selector(uploadToGoogle) toTarget:self withObject:nil]; } -(void)uploadToGoogle { NSAutoReleasePool *pool = [[NSAutoReleasePool alloc] init]; //works fine [helper setNewServiceWithName:username password:password]; //works fine [helper fetchUserSpreadsheetFeed]; //inside the helper class, fetchUserSpreadsheet feed calls ANOTHER method, which //calls ANOTHER METHOD and so on, until the object is either uploaded or fails //However, once the class gets to the end of fetchUserSpreadsheetFeed //control is passed back to this method, and [pool release]; //is called. The thread terminates and nothing ever happens. } If I forget about using a separate thread, everything works like it's supposed to. I'm new to thread programming, so if there's something I'm missing, please clue me in! Thanks!

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  • A UnicodeDecodeError that occurs with json in python on Windows, but not Mac.

    - by ventolin
    On windows, I have the following problem: >>> string = "Don´t Forget To Breathe" >>> import json,os,codecs >>> f = codecs.open("C:\\temp.txt","w","UTF-8") >>> json.dump(string,f) Traceback (most recent call last): File "<stdin>", line 1, in <module> File "C:\Python26\lib\json\__init__.py", line 180, in dump for chunk in iterable: File "C:\Python26\lib\json\encoder.py", line 294, in _iterencode yield encoder(o) UnicodeDecodeError: 'utf8' codec can't decode bytes in position 3-5: invalid data (Notice the non-ascii apostrophe in the string.) However, my friend, on his mac (also using python2.6), can run through this like a breeze: > string = "Don´t Forget To Breathe" > import json,os,codecs > f = codecs.open("/tmp/temp.txt","w","UTF-8") > json.dump(string,f) > f.close(); open('/tmp/temp.txt').read() '"Don\\u00b4t Forget To Breathe"' Why is this? I've also tried using UTF-16 and UTF-32 with json and codecs, but to no avail.

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  • can a OOM be caused by not finding enough contiguous memory?

    - by raticulin
    I start some java code with -Xmx1024m, and at some point I get an hprof due to OOM. The hprof shows just 320mb, and give me a stack trace: at java.util.Arrays.copyOfRange([CII)[C (Arrays.java:3209) at java.lang.String.<init>([CII)V (String.java:215) at java.lang.StringBuilder.toString()Ljava/lang/String; (StringBuilder.java:430) ... This comes from a large string I am copying. I remember reading somewhere (cannot find where) what happened is these cases is: process still has not consumed 1gb of memory, is way below even if heap still below 1gb, it needs some amount of memory, and for copyOfRange() it has to be continuous memory, so even if it is not over the limit yet, it cannot find a large enough piece of memory on the host, it fails with an OOM. I have tried to look for doc on this (copyOfRange() needs a block of continuous memory), but could not find any. The other possible culprit would be not enough permgen memory. Can someone confirm or refute the continuous memory hypothesis? Any pointer to some doc would help too.

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  • While trying to set up Django on Windows: AttributeError: 'Settings' object has no attribute 'DATABA

    - by user326370
    I'm following these instructions in order to set up Django on Windows. I have installed Python 2.6, PostgreSQL 8.4, Psycopg 2.0.14 for Python 2.6 and the latest version of Django from SVN. I'm now following these instructions to run a test project (copied from the page linked to above): C:\Documents and Settings\John>cd C:\ C:\>mkdir django C:\>cd django C:\django>django-admin.py startproject testproject C:\django>cd testproject C:\django\testproject>python manage.py runserver When I run the last line, this is the output: Validating models... Unhandled exception in thread started by <function inner_run at 0x01ECB930> Traceback (most recent call last): File "J:\Python26\lib\site-packages\django\core\management\commands\runserver.py", line 48, in inn er_run self.validate(display_num_errors=True) File "J:\Python26\lib\site-packages\django\core\management\base.py", line 249, in validate num_errors = get_validation_errors(s, app) File "J:\Python26\lib\site-packages\django\core\management\validation.py", line 22, in get_validat ion_errors from django.db import models, connection File "J:\Python26\lib\site-packages\django\db\__init__.py", line 14, in <module> if not settings.DATABASES: File "J:\Python26\lib\site-packages\django\utils\functional.py", line 273, in __getattr__ return getattr(self._wrapped, name) AttributeError: 'Settings' object has no attribute 'DATABASES' Did I forget to do something with the database? Any help will be appreciated. Thank you!

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  • Jmap can't connect to to make a dump

    - by Jasper Floor
    We have an open beta of an app which occasionally causes the heapspace to overflow. The JVM reacts by going on a permanent vacation. To analyze this I would like to peek into the memory at the point where it failed. Java does not want me to do this. The process is still in memory but it doesn't seem to be recognized as a java process. The server in question is a debian Lenny server, Java 6u14 /opt/jdk/bin# ./jmap -F -dump:format=b,file=/tmp/apidump.hprof 11175 Attaching to process ID 11175, please wait... sun.jvm.hotspot.debugger.NoSuchSymbolException: Could not find symbol "gHotSpotVMTypeEntryTypeNameOffset" in any of the known library names (libjvm.so, libjvm_g.so, gamma_g) at sun.jvm.hotspot.HotSpotTypeDataBase.lookupInProcess(HotSpotTypeDataBase.java:390) at sun.jvm.hotspot.HotSpotTypeDataBase.getLongValueFromProcess(HotSpotTypeDataBase.java:371) at sun.jvm.hotspot.HotSpotTypeDataBase.readVMTypes(HotSpotTypeDataBase.java:102) at sun.jvm.hotspot.HotSpotTypeDataBase.<init>(HotSpotTypeDataBase.java:85) at sun.jvm.hotspot.bugspot.BugSpotAgent.setupVM(BugSpotAgent.java:568) at sun.jvm.hotspot.bugspot.BugSpotAgent.go(BugSpotAgent.java:494) at sun.jvm.hotspot.bugspot.BugSpotAgent.attach(BugSpotAgent.java:332) at sun.jvm.hotspot.tools.Tool.start(Tool.java:163) at sun.jvm.hotspot.tools.HeapDumper.main(HeapDumper.java:77) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at sun.tools.jmap.JMap.runTool(JMap.java:179) at sun.tools.jmap.JMap.main(JMap.java:110) Debugger attached successfully. sun.jvm.hotspot.tools.HeapDumper requires a java VM process/core!

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  • Liferay: Customise the web.xml HeaderFilter added during portlet deloyment

    - by gid
    I need to customise the deployment of my liferay portlet such that the GWT nocache.js files don't get a 'Expires' HTTP header set. My war file looks like this: view.jsp com.foobar.MyEntryPoint/com.foobar.MyEntryPoint.nocache.js com.foobar.MyEntryPoint/12312312313213123123123.cache.html WEB-INF/web.xml WEB-INF/portlet.xml WEB-INF/liferay-portlet.xml ... etc my web.xml is pretty much empty (only has the displayName) On deployment this is rewritten my liferay to have a series of filters in particalar: Header Filter com.liferay.portal.kernel.servlet.PortalClassLoaderFilter filter-class com.liferay.portal.servlet.filters.header.HeaderFilter Cache-Control max-age=315360000, public Expires 315360000 Header Filter *.js This filter adds an Expires header for about 2020 to the .nocache.js js files... the trouble is these files really shouldn't be cached (the hint is in the name :) For development purposes I have worked around this by disabling the filter using: com.liferay.portal.servlet.filters.header.HeaderFilter=false in portal-ext.properties globaly. What I what I would like to to is one of the following: Disable HeaderFilter only for this portlet or war file. I can always add my own expires Add an init-param to the HeaderFilter to match anything other than .nocache.js files Any ideas how either of these things could be achieved? Stack: liferay-6.0.1 CE, Windows 7, java 1.6.0_18, GWT 2.0.3

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  • Behavior of retained property while holder is retained

    - by Aurélien Vallée
    Hello everyone, I am a beginner ObjectiveC programmer, coming from the C++ world. I find it very difficult to understand the memory management offered by NSObject :/ Say I have the following class: @interface User : NSObject { NSString* name; } @property (nonatomic,retain) NSString* name; - (id) initWithName: (NSString*) theName; - (void) release; @end @implementation User @synthesize name - (id) initWithName: (NSString*) theName { if ( self = [super init] ) { [self setName:theName]; } return self; } - (void) release { [name release]; [super release]; } @end No considering the following code, I can't understand the retain count results: NSString* name = [[NSString alloc] initWithCString:/*C string from sqlite3*/]; // (1) name retainCount = 1 User* user = [[User alloc] initWithName:name]; // (2) name retainCount = 2 [whateverMutableArray addObject:user]; // (3) name retainCount = 2 [user release]; // (4) name retainCount = 1 [name release]; // (5) name retainCount = 0 At (4), the retain count of name decreased from 2 to 1. But that's not correct, there is still the instance of user inside the array that points to name ! The retain count of a variable should only decrease when the retain count of a referring variable is 0, that is, when it is dealloced, not released.

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  • Swig: No Constructor defined

    - by wheaties
    I added %allowexcept to my *.i file when building a Python <-- C++ bridge using Swig. Then I removed that preprocessing directive. Now I can't get the Python produced code to recognize the constructor of a C++ class. Here's the class file: #include <exception> class Swig_Foo{ public: Swig_Foo(){} virtual ~Swig_Foo(){} virtual getInt() =0; virtual throwException() { throw std::exception(); } }; And here's the code Swig produces from it: class Swig_Foo: __swig_setmethods__ = {} __setattr__ = lambda self, name, value: _swig_setattr(self, Swig_Foo, name, value) __swig_getmethods__ = {} __getattr__ = lambda self, name: _swig_getattr(self, Swig_Foo, name) def __init__(self): raise AttributeError, "No constructor defined" __repr__ = _swig_repr __swig_destroy__ = _foo.delete_Swig_Foo __del__ = lambda self : None; def getInt(*args): return apply(_foo.Swig_Foo_getInt, args) def throwOut(*args): return apply(_foo.Swig_Foo_throwOut, args) Swig_Foo_swigregister = _foo.Swig_Foo_swigregister Swig_Foo_swigregister(Swig_Foo) The problem is the def __init__self): raise AttributeError, "No constructor defined" portion. It never did this before I added the %allowexception and now that I've removed it, I can't get it to create a real constructor. All the other classes have actual constructors. Quite baffled. Anyone know how I can get it to stop doing this?

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  • gevent install on x86_64 fails: "undefined symbol: evhttp_accept_socket"

    - by digitala
    I'm trying to install gevent on a fresh EC2 CentOS 5.3 64-bit system. Since the libevent version available in yum was too old for another package (beanstalkd) I compiled/installed libevent-1.4.13-stable manually using the following command: ./configure --prefix=/usr && make && make install This is the output from installing gevent: [gevent-0.12.2]# python setup.py build --libevent /usr/lib Using libevent 1.4.13-stable: libevent.so running build running build_py running build_ext Linking /usr/src/gevent-0.12.2/build/lib.linux-x86_64-2.6/gevent/core.so to /usr/src/gevent-0.12.2/gevent/core.so [gevent-0.12.2]# cd /path/to/my/project [project]# python myscript.py Traceback (most recent call last): File "myscript.py", line 9, in <module> from gevent.wsgi import WSGIServer as GeventServer File "/usr/lib/python2.6/site-packages/gevent/__init__.py", line 32, in <module> from gevent.core import reinit ImportError: /usr/lib/python2.6/site-packages/gevent/core.so: undefined symbol: evhttp_accept_socket I've followed exactly the same steps on a local VirtualBox instance (32-bit) and I'm not seeing any errors. How would I fix this?

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  • Problems pulling data from NSMutableArray for MapKit?

    - by Graeme
    Hi, I have a class (DataImporter) which has the code to download an RSS feed. I also have a view and separate class (TableView) which displays the data in a UITableView and starts the parsing process, storing parsed information in an NSMutableArray (items). Now I wish to add a UIMapView which displays the items in the items NSMutableArray. I'm struggling to transfer the data into the new class (mapView) to show it in the map - and I preferably don't want to have to create a new class to download the data again for the map. Is there a way I can transfer the information from the NSMutableArray (items) to the mapView? Thanks. Code for viewDidLoad MapKit: Data *data = nil; NSString *ilocation = [data locations]; NSString *ilocation2 = @"New Zealand"; NSString *inewlString; inewlString = [ilocation stringByAppendingString:ilocation2]; NSLog(@"inewlString=%@",inewlString); if(forwardGeocoder == nil) { forwardGeocoder = [[BSForwardGeocoder alloc] initWithDelegate:self]; } // Forward geocode! [forwardGeocoder findLocation: inewlString]; Code for parsing data into NSMutable Array: - (void)beginParsing { NSLog(@"Parsing has begun"); //self.navigationItem.rightBarButtonItem.enabled = NO; // Allocate the array for song storage, or empty the results of previous parses if (incidents == nil) { NSLog(@"Grabbing array"); self.datas = [NSMutableArray array]; } else { [datas removeAllObjects]; [self.tableView reloadData]; } // Create the parser, set its delegate, and start it. self.parser = [[DataImporter alloc] init]; parser.delegate = self; [parser start]; }

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  • Why don't file type filters work properly with nsIFilePicker on Mac OSX?

    - by Eric Strom
    I am running a chrome app in firefox (started with -app) with the following code to open a filepicker: var nsIFilePicker = Components.interfaces.nsIFilePicker; var fp = Components.classes["@mozilla.org/filepicker;1"] .createInstance(nsIFilePicker); fp.init(window, "Select Files", nsIFilePicker.modeOpenMultiple); fp.appendFilter("video", "*.mov; *.mpg; *.mpeg; *.avi; *.flv; *.m4v; *.mp4"); fp.appendFilter("all", "*.*"); var res = fp.show(); if (res == nsIFilePicker.returnCancel) return; var files = fp.files; var paths = []; while (files.hasMoreElements()) { var arg = files.getNext().QueryInterface( Components.interfaces.nsILocalFile ).path; paths.push(arg); } Everything seems to work fine on Windows, and the file picker itself works on OSX, but the dropdown menu to select between file types only displays in Windows. The first filter (video in this case) is in effect, but the dropdown to select the other type never shows. Is there something extra that is needed to get this working on OSX? I have tried the latest firefox (3.6) and an older one (3.0.13) and both don't show the file type dropdown on OSX.

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  • How to get a volume measurement of iPhone recording in dB, with a limit of at least 120dB

    - by Cyber
    Hello, I am trying to make a simple volume meter for the iPhone. I want the volume displayed in dB. When using this turorial, I am only getting measurements up to 78 dB. I've read that that is because the dBFS spectrum for 16 bit audio recordings is only 96 dB. I tried modifying this piece of code in the init funcyion: dataFormat.mSampleRate = 44100.0f; dataFormat.mFormatID = kAudioFormatLinearPCM; dataFormat.mFramesPerPacket = 1; dataFormat.mChannelsPerFrame = 1; dataFormat.mBytesPerFrame = 2; dataFormat.mBytesPerPacket = 2; dataFormat.mBitsPerChannel = 16; dataFormat.mReserved = 0; I changed the value of mBitsPerChannel, hoping to increase the bit value of the recording. dataFormat.mBitsPerChannel = 32; With that variable set to 32, the "mAveragePower" function returns only 0. So, how can i measure more decibels? All my code is practically the same as in the tutorial i posted above. Thanks in advance, Thomas

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  • How to stop ejabberd from using mnesia

    - by Eldad Mor
    I'm trying to establish a procedure for restoring my database from a crashed server to a new server. My server is running Ejabberd as an XMPP server, and I configured it to use postgresql instead of mnesia - or so I thought. My procedure goes something like "dump the contents of the original DB, run the new server, restore the contents of the DBs using psql, then run the system". However, when I try running Ejabberd again I get a crash: =CRASH REPORT==== 3-Dec-2010::22:05:00 === crasher: pid: <0.36.0> registered_name: [] exception exit: {bad_return,{{ejabberd_app,start,[normal,[]]}, {'EXIT',"Error reading Mnesia database"}}} in function application_master:init/4 Here I was thinking that my system is running on PostgreSQL, while it seems I was still using Mnesia. I have several questions: How can I make sure mnesia is not being used? How can I divert all the ejabberd activities to PGSQL? This is the modules part in my ejabberd.cfg file: {modules, [ {mod_adhoc, []}, {mod_announce, [{access, announce}]}, % requires mod_adhoc {mod_caps, []}, {mod_configure,[]}, % requires mod_adhoc {mod_ctlextra, []}, {mod_disco, []}, {mod_irc, []}, {mod_last_odbc, []}, {mod_muc, [ {access, muc}, {access_create, muc}, {access_persistent, muc}, {access_admin, muc_admin}, {max_users, 500} ]}, {mod_offline_odbc, []}, {mod_privacy_odbc, []}, {mod_private_odbc, []}, {mod_pubsub, [ % requires mod_caps {access_createnode, pubsub_createnode}, {plugins, ["default", "pep"]} ]}, {mod_register, [ {welcome_message, none}, {access, register} ]}, {mod_roster_odbc, []}, {mod_stats, []}, {mod_time, []}, {mod_vcard_odbc, []}, {mod_version, []} ]}. What am I missing? I am assuming the crash is due to the mnesia DB being used by Ejabberd, and since it's out of sync with the PGSQL DB, it cannot operate correctly - but maybe I'm totally off track here, and would love some direction. EDIT: One problem solved. Since I'm using amazon cloud, I needed to hardcode the ERLANG_NODE so it won't be defined by the hostname (which changes on reboot). This got my ejabberd running, but still I wish to stop using mnesia, and I wonder what part of ejabberd is still using it and how can I found it.

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  • Where does django look for sqlite3 installation/libraries?

    - by gath
    Am having a bit of a problem making my django application run in SUSE linux 9. I have Python2.5 installed well, Django 1.0 installed well. Am able to execute django command django-admin startproject fine But when i run the runserver command i get the error below. i have a folder with sqlite3, i can go in there and actually run the sqlite3* application, now am wondering where does Django look for the sqlite libraries? and how can i fix this? Validating models... Unhandled exception in thread started by <function inner_run at 0x2a96cb4f50> Traceback (most recent call last): File "/usr/local/lib/python2.5/site-packages/django/core/management/commands/runserver.py", line 48, in inner_run self.validate(display_num_errors=True) File "/usr/local/lib/python2.5/site-packages/django/core/management/base.py", line 122, in validate num_errors = get_validation_errors(s, app) File "/usr/local/lib/python2.5/site-packages/django/core/management/validation.py", line 22, in get_validation_errors from django.db import models, connection File "/usr/local/lib/python2.5/site-packages/django/db/__init__.py", line 16, in <module> backend = __import__('%s%s.base' % (_import_path, settings.DATABASE_ENGINE), {}, {}, ['']) File "/usr/local/lib/python2.5/site-packages/django/db/backends/sqlite3/base.py", line 27, in <module> raise ImproperlyConfigured, "Error loading %s module: %s" % (module, exc) django.core.exceptions.ImproperlyConfigured: Error loading sqlite3 module: No module named _sqlite3 Gath

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  • help with Firefox extension

    - by Johnny Grass
    I'm writing a Firefox extension that creates a socket server which will output the active tab's URL when a client makes a connection to it. I have the following code in my javascript file: var serverSocket; function startServer() { var listener = { onSocketAccepted : function(socket, transport) { try { var outputString = gBrowser.currentURI.spec + "\n"; var stream = transport.openOutputStream(0,0,0); stream.write(outputString,outputString.length); stream.close(); } catch(ex2){ dump("::"+ex2); } }, onStopListening : function(socket, status){} }; try { serverSocket = Components.classes["@mozilla.org/network/server-socket;1"] .createInstance(Components.interfaces.nsIServerSocket); serverSocket.init(7055,true,-1); serverSocket.asyncListen(listener); } catch(ex){ dump(ex); } document.getElementById("status").value = "Started"; } startServer(); As it is, it works for multiple tabs in a single window. If I open multiple windows, it ignores the additional windows. I think it is creating a server socket for each window, but since they are using the same port, the additional sockets fail to initialize. I need it to create a server socket when the browser launches and continue running when I close the windows (Mac OS X). As it is, when I close a window but Firefox remains running, the socket closes and I have to restart firefox to get it up an running. How do I go about that?

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  • What is Ruby's analog to Python Metaclasses?

    - by Sean Copenhaver
    Python has the idea of metaclasses that, if I understand correctly, allow you to modify an object of a class at the moment of construction. You are not modifying the class, but instead the object that is to be created then initialized. Python (at least as of 3.0 I believe) also has the idea of class decorators. Again if I understand correctly, class decorators allow the modifying of the class definition at the moment it is being declared. Now I believe there is an equivalent feature or features to the class decorator in Ruby, but I'm currently unaware of something equivalent to metaclasses. I'm sure you can easily pump any Ruby object through some functions and do what you will to it, but is there a feature in the language that sets that up like metaclasses do? So again, Does Ruby have something similar to Python's metaclasses? Edit I was off on the metaclasses for Python. A metaclass and a class decorator do very similar things it appears. They both modify the class when it is defined but in different manners. Hopefully a Python guru will come in and explain better on these features in Python. But a class or the parent of a class can implement a __new__(cls[,..]) function that does customize the construction of the object before it is initialized with __init__(self[,..]).

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  • Eclipse+PyDev+GAE memcache error

    - by bocco
    I've started using Eclipe+PyDev as an environment for developing my first app for Google App Engine. Eclipse is configured according to this tutorial. Everything was working until I start to use memcache. PyDev reports the errors and I don't know how to fix it: Error: Undefined variable from import: get How to fix this? Sure, it is only PyDev checker problem. Code is correct and run on GAE. UPDATE: I'm using PyDev 1.5.0 but experienced the same with 1.4.8. My PYTHONPATH includes (set in Project Properties/PyDev - PYTHONPATH): C:\Program Files\Google\google_appengine C:\Program Files\Google\google_appengine\lib\django C:\Program Files\Google\google_appengine\lib\webob C:\Program Files\Google\google_appengine\lib\yaml\lib UPDATE 2: I took a look at C:\Program Files\Google\google_appengine\google\appengine\api\memcache\__init__.py and found get() is not declared as memcache module function. They use the following trick to do that (I didn't hear about such possibility): _CLIENT = None def setup_client(client_obj): """Sets the Client object instance to use for all module-level methods. Use this method if you want to have customer persistent_id() or persistent_load() functions associated with your client. Args: client_obj: Instance of the memcache.Client object. """ global _CLIENT var_dict = globals() _CLIENT = client_obj var_dict['set_servers'] = _CLIENT.set_servers var_dict['disconnect_all'] = _CLIENT.disconnect_all var_dict['forget_dead_hosts'] = _CLIENT.forget_dead_hosts var_dict['debuglog'] = _CLIENT.debuglog var_dict['get'] = _CLIENT.get var_dict['get_multi'] = _CLIENT.get_multi var_dict['set'] = _CLIENT.set var_dict['set_multi'] = _CLIENT.set_multi var_dict['add'] = _CLIENT.add var_dict['add_multi'] = _CLIENT.add_multi var_dict['replace'] = _CLIENT.replace var_dict['replace_multi'] = _CLIENT.replace_multi var_dict['delete'] = _CLIENT.delete var_dict['delete_multi'] = _CLIENT.delete_multi var_dict['incr'] = _CLIENT.incr var_dict['decr'] = _CLIENT.decr var_dict['flush_all'] = _CLIENT.flush_all var_dict['get_stats'] = _CLIENT.get_stats setup_client(Client()) Hmm... Any idea how to force PyDev to recognize that?

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  • Is 1/0 a legal Java expression?

    - by polygenelubricants
    The following compiles fine in my Eclipse: final int j = 1/0; // compiles fine!!! // throws ArithmeticException: / by zero at run-time Java prevents many "dumb code" from even compiling in the first place (e.g. "Five" instanceof Number doesn't compile!), so the fact this didn't even generate as much as a warning was very surprising to me. The intrigue deepens when you consider the fact that constant expressions are allowed to be optimized at compile time: public class Div0 { public static void main(String[] args) { final int i = 2+3; final int j = 1/0; final int k = 9/2; } } Compiled in Eclipse, the above snippet generates the following bytecode (javap -c Div0) Compiled from "Div0.java" public class Div0 extends java.lang.Object{ public Div0(); Code: 0: aload_0 1: invokespecial #8; //Method java/lang/Object."<init>":()V 4: return public static void main(java.lang.String[]); Code: 0: iconst_5 1: istore_1 // "i = 5;" 2: iconst_1 3: iconst_0 4: idiv 5: istore_2 // "j = 1/0;" 6: iconst_4 7: istore_3 // "k = 4;" 8: return } As you can see, the i and k assignments are optimized as compile-time constants, but the division by 0 (which must've been detectable at compile-time) is simply compiled as is. javac 1.6.0_17 behaves even more strangely, compiling silently but excising the assignments to i and k completely out of the bytecode (probably because it determined that they're not used anywhere) but leaving the 1/0 intact (since removing it would cause an entirely different program semantics). So the questions are: Is 1/0 actually a legal Java expression that should compile anytime anywhere? What does JLS say about it? If this is legal, is there a good reason for it? What good could this possibly serve?

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  • Core Audio on iPhone - any way to change the microphone gain (either for speakerphone mic or headpho

    - by Halle
    After much searching the answer seems to be no, but I thought I'd ask here before giving up. For a project I'm working on that includes recording sound, the input levels sound a little quiet both when the route is external mic + speaker and when it's headphone mic + headphones. Does anyone know definitively whether it is possible to programmatically change mic gain levels on the iPhone in any part of Core Audio? If not, is it possible that I'm not really in "speakerphone" mode (with the external mic at least) but only think I am? Here is my audio session init code: OSStatus error = AudioSessionInitialize(NULL, NULL, audioQueueHelperInterruptionListener, r); [...some error checking of the OSStatus...] UInt32 category = kAudioSessionCategory_PlayAndRecord; // need to play out the speaker at full volume too so it is necessary to change default route below error = AudioSessionSetProperty(kAudioSessionProperty_AudioCategory, sizeof(category), &category); if (error) printf("couldn't set audio category!"); UInt32 doChangeDefaultRoute = 1; error = AudioSessionSetProperty (kAudioSessionProperty_OverrideCategoryDefaultToSpeaker, sizeof (doChangeDefaultRoute), &doChangeDefaultRoute); if (error) printf("couldn't change default route!"); error = AudioSessionAddPropertyListener(kAudioSessionProperty_AudioRouteChange, audioQueueHelperPropListener, r); if (error) printf("ERROR ADDING AUDIO SESSION PROP LISTENER! %d\n", (int)error); UInt32 inputAvailable = 0; UInt32 size = sizeof(inputAvailable); error = AudioSessionGetProperty(kAudioSessionProperty_AudioInputAvailable, &size, &inputAvailable); if (error) printf("ERROR GETTING INPUT AVAILABILITY! %d\n", (int)error); error = AudioSessionAddPropertyListener(kAudioSessionProperty_AudioInputAvailable, audioQueueHelperPropListener, r); if (error) printf("ERROR ADDING AUDIO SESSION PROP LISTENER! %d\n", (int)error); error = AudioSessionSetActive(true); if (error) printf("AudioSessionSetActive (true) failed"); Thanks very much for any pointers.

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  • Silverlight unit testing. Error while running tests.

    - by 1gn1ter
    I'm using VS2010. Silverlight 4, NUnit 2.5.5, and TypeMock TypemockIsolatorSetup6.0.3.619.msi In the test project MVVM is implemented, PeopleViewModel is a ViewModel which I want to test. Please advise if you use other products for unit testing of MVVM Silverlight. Or please help to win this TypeMock. TIA This is the code of the test: [Test] [SilverlightUnitTest] public void SomeTestAgainstSilverlight() { PeopleViewModel o = new PeopleViewModel(); var res = o.People; Assert.AreEqual(15, res.Count()); } While running the test in ReSharper i get the following error: TestA.SomeTestAgainstSilverlight : Failed****************************************** *Loading Silverlight Isolation Aspects...* ****************************************** TEST RESULTS: --------------------------------------------- System.MissingMethodException : Method not found: 'hv TypeMock.ArrangeActAssert.Isolate.a(System.Delegate)'. at a4.a(ref Delegate A_0) at a4.a(Boolean A_0) at il.b() at CThru.Silverlight.SilverlightUnitTestAttribute.Init() at CThru.Silverlight.SilverlightUnitTestAttribute.Execute() at TypeMock.MockManager.a(String A_0, String A_1, Object A_2, Object A_3, Boolean A_4, Object[] A_5) at TypeMock.InternalMockManager.getReturn(Object that, String typeName, String methodName, Object methodParameters, Boolean isInjected) at Tests.TestA.SomeTestAgainstSilverlight() in TestA.cs: line 21 While running test in NUnit i get: Tests.TestA.SomeTestAgainstSilverlight: System.DllNotFoundException : Unable to load DLL 'agcore': The specified module could not be found. (Exception from HRESULT: 0x8007007E) at MS.Internal.XcpImports.Application_GetCurrentNative(IntPtr context, IntPtr& obj) at MS.Internal.XcpImports.Application_GetCurrent(IntPtr& pApp) at System.Windows.Application.get_Current() at ViewModelExample.ViewModel.ViewModelBase.get_IsDesignTime() in C:\Documents and Settings\USER\Desktop\ViewModelExample\ViewModelExample\ViewModel\ViewModelBase.cs:line 20 at ViewModelExample.ViewModel.PeopleViewModel..ctor(IServiceAgent serviceAgent) in C:\Documents and Settings\USER\Desktop\ViewModelExample\ViewModelExample\ViewModel\PeopleViewModel.cs:line 28 at ViewModelExample.ViewModel.PeopleViewModel..ctor() in C:\Documents and Settings\USER\Desktop\ViewModelExample\ViewModelExample\ViewModel\PeopleViewModel.cs:line 24 at Tests.TestA.SomeTestAgainstSilverlight() in C:\Documents and Settings\USER\Desktop\ViewModelExample\Tests\TestA.cs:line 22

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  • Java UnknownFormatConversionException

    - by user1672458
    The code below is throwing this error, and I'm not sure why. It's clearly a problem with outputting String.format to the str variable, but I don't know what's wrong with it. Exception in thread "main" java.util.UnknownFormatConversionException: Conversion = 'i' at java.util.Formatter$FormatSpecifier.conversion(Unknown Source) at java.util.Formatter$FormatSpecifier.<init>(Unknown Source) at java.util.Formatter.parse(Unknown Source) at java.util.Formatter.format(Unknown Source) at java.util.Formatter.format(Unknown Source) at java.lang.String.format(Unknown Source) at Donor.toString(Donor.java:41) at Donor.main(Donor.java:65) - import java.util.Scanner; public class Donor { public String name; public int age; public double donation; Donor() { //Initialized to these values for debugging name = "NoName"; age = 0; donation = 0; } Donor(String nameinit, int ageinit, double donationinit) { name = nameinit; age = ageinit; donation = donationinit; } public String toString() { String str = ""; str = String.format("%s-30%i-6$%d-20", name, age, donation); return str; } public static void main(String[] args) { Scanner input = new Scanner(System.in); String nameinit = null; int ageinit = -1; double donationinit = -1; String outp = null; System.out.print("Enter the donor's name: "); nameinit = input.nextLine(); System.out.print("Enter the donor's age: "); ageinit = input.nextInt(); System.out.print("Enter the donation amount: "); donationinit = input.nextDouble(); Donor d = new Donor(nameinit, ageinit, donationinit); outp = d.toString(); System.out.printf("%s30 %s6 %s10", "Name", "Age", "Donation"); System.out.print("\n" + outp); input.close(); } }

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  • HSQLDB connection error

    - by user1478527
    I created a java program for connect the HSQLDB , the first one works well, public final static String DRIVER = "org.hsqldb.jdbcDriver"; public final static String URL = "jdbc:hsqldb:file:F:/hsqlTest/data/db"; public final static String DBNAME = "SA"; but these are not public final static String DRIVER = "org.hsqldb.jdbcDriver"; public final static String URL = "jdbc:hsqldb:file:C:/Program Files/tich Tools/mos tech/app/data/db/t1/t2/01/db"; public final static String DBNAME = "SA"; the error shows like this: java.sql.SQLException: error in script file line: 1 unexpected token: ? at org.hsqldb.jdbc.Util.sqlException(Unknown Source) at org.hsqldb.jdbc.Util.sqlException(Unknown Source) at org.hsqldb.jdbc.JDBCConnection.<init>(Unknown Source) at org.hsqldb.jdbc.JDBCDriver.getConnection(Unknown Source) at org.hsqldb.jdbc.JDBCDriver.connect(Unknown Source) at java.sql.DriverManager.getConnection(Unknown Source) at java.sql.DriverManager.getConnection(Unknown Source) at HSQLDBManagerImp.getconn(HSQLDBManagerImp.java:48) at TESTHSQLDB.main(TESTHSQLDB.java:15) Caused by: org.hsqldb.HsqlException: error in script file line: 1 unexpected token: ? at org.hsqldb.error.Error.error(Unknown Source) at org.hsqldb.scriptio.ScriptReaderText.readDDL(Unknown Source) at org.hsqldb.scriptio.ScriptReaderBase.readAll(Unknown Source) at org.hsqldb.persist.Log.processScript(Unknown Source) at org.hsqldb.persist.Log.open(Unknown Source) at org.hsqldb.persist.Logger.openPersistence(Unknown Source) at org.hsqldb.Database.reopen(Unknown Source) at org.hsqldb.Database.open(Unknown Source) at org.hsqldb.DatabaseManager.getDatabase(Unknown Source) at org.hsqldb.DatabaseManager.newSession(Unknown Source) ... 7 more Caused by: org.hsqldb.HsqlException: unexpected token: ? at org.hsqldb.error.Error.parseError(Unknown Source) at org.hsqldb.ParserBase.unexpectedToken(Unknown Source) at org.hsqldb.ParserCommand.compilePart(Unknown Source) at org.hsqldb.ParserCommand.compileStatement(Unknown Source) at org.hsqldb.Session.compileStatement(Unknown Source) ... 16 more I googled this connection question , but most of them not help much, someone says that may be the HSQLDB version problem. The dbase shut down in "SHUT COMPRESS" model. Anyone give some advice?

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  • The dealloc method is not called in the present modal view contrller.

    - by Madan Mohan
    It is in My view controller -(void)doctorsListAction { if(isFirst == YES) { [self getDoctorsListController]; [[self navigationController] presentModalViewController:doctorListViewNavigationController animated:YES]; [doctorListViewController release]; } } -(void)getDoctorsListController { //DoctorListViewController *doctorListViewController=[[[DoctorListViewController alloc]initWithNibName:nil bundle:nil]autorelease]; doctorListViewController=[[DoctorListViewController alloc]init]; doctorListViewNavigationController=[[UINavigationController alloc]initWithRootViewController:doctorListViewController]; doctorListViewController.doctorList=doctorList; doctorListViewNavigationController.navigationBar.barStyle= UIBarStyleBlackOpaque; [doctorListViewController release]; } It is in DoctorListViewContrller -(void)closeAction { printf("\n hai i am in close action*******************************"); //[doctorList release]; //[myTableView release]; //myTableView=nil; printf("\n myTableView retainCount :%d",[myTableView retainCount]); [[self navigationController] dismissModalViewControllerAnimated:YES]; } //this method is not called I don't know why if it not called i will get memory issues - (void)dealloc { printf("\n hai i am in dealloc of Doctor list view contrller"); [doctorList release]; [myTableView release]; myTableView=nil; [super dealloc]; }

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