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  • Migrating from CPython to Jython

    - by itsadok
    I'm considering moving my code (around 30K LOC) from CPython to Jython, so that I could have better integration with my java code. Is there a checklist or a guide I should look at, to help my with the migration? Does anyone have experience with doing something similar? From reading the Jython site, most of the problems seem too obscure to bother me. I did notice that: thread safety is an issue Unicode support seems to be quite different, which may be a problem for me mysqldb doesn't work and needs to be replaced with zxJDBC Anything else? Related question: What are some strategies to write python code that works in CPython, Jython and IronPython

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  • Javascript, AJAX, Extend PHP Session Timeout, Bank Timeout

    - by Guhan Iyer
    Greetings, I have the following JS code: var reloadTimer = function (options) { var seconds = options.seconds || 0, logoutURL = options.logoutURL, message = options.message; this.start = function () { setTimeout(function (){ if ( confirm(message) ) { // RESET TIMER HERE $.get("renewSession.php"); } else { window.location.href = logoutURL; } }, seconds * 1000); } return this; }; And I would like to have the timer reset where I have the comment for RESET TIMER HERE. I have tried a few different things to no avail. Also the code calling this block is the following: var timer = reloadTimer({ seconds:20, logoutURL: 'logout.php', message:'Do you want to stay logged in?'}); timer.start(); The code may look familiar as I found it on SO :-) Thanks!

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  • Why use Python interactive mode?

    - by mvid
    When I first started reading about Python, all of the tutorials have you use Python's Interactive Mode. It is difficult to save, write long programs, or edit your existing lines (for me at least). It seems like a far more difficult way of writing Python code than opening up a code.py file and running the interpreter on that file. python code.py I am coming from a Java background, so I have ingrained expectations of writing and compiling files for programs. I also know that a feature would not be so prominent in Python documentation if it were not somehow useful. So what am I missing?

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  • IPC::Open3 Fails Running Under Apache

    - by rjray
    I have a module that uses IPC::Open3 (or IPC::Open2, both exhibit this problem) to call an external binary (bogofilter in this case) and feed it some input via the child-input filehandle, then reads the result from the child-output handle. The code works fine when run in most environments. However, the main use of this module is in a web service that runs under Apache 2.2.6. And under that environment, I get the error: Cannot fdopen STDOUT: Invalid argument This only happens when the code runs under Apache. Previously, the code constructed a horribly complex command, which included a here-document for the input, and ran it with back-ticks. THAT worked, but was very slow and prone to breaking in unique and perplexing ways. I would hate to have to revert to the old version, but I cannot crack this.

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  • Seeking enlightenment - global variables in AppEngine (aeoid.get_current_user())

    - by jerd
    Hello This may be a 'Python Web Programming 101' question, but I'm confused about some code in the aeoid project (http://github.com/Arachnid/aeoid). here's the code: _current_user = None def get_current_user(): """Returns the currently logged in user, or None if no user is logged in.""" global _current_user if not _current_user and 'aeoid.user' in os.environ: _current_user = User(None, _from_model_key=os.environ['aeoid.user']) return _current_user But my understanding was that global variables were, ehm, global! And so different requests from different users could (potentially) access and update the same value, hence the need for sessions, in order to store per-user, non-global variables. So, in the code above, what prevents one request from believing the current user is the user set by another request? Sorry if this is basic, it's just not how i thought things worked. Thanks

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  • UIScrollView won't autorotate

    - by clozach
    My app design requires the same scrolling functionality found in the iPhone's native Photos app when browsing photos in full screen. Specifically: Each view snaps into place as the view is swiped Scrolling happens in only one direction Rotating the iPhone rotates the entire scrolling region as well such that the frame of each subview (photos, in Apple's case) rotates in-place and paging is still in the same direction (left-to-right) I started to use Apple's sample PageControl code as a launching point, and everything was going swimmingly until I attempted adding autorotation to the code. My sense from the docs was that all I had to do to get autorotation working was to add this to the sample code's MyViewController.m - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { return YES; } While that does seem to cause the subviews' backgrounds to rotate, the UILabels and the enclosing UIScrollView stay fixed so that, from a user perspective, paging through the views now requires up/down flicking instead of left/right.

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  • Killing a deadlocked Task in .NET 4 TPL

    - by Dan Bryant
    I'd like to start using the Task Parallel Library, as this is the recommended framework going forward for performing asynchronous operations. One thing I haven't been able to find is any means of forcible Abort, such as what Thread.Abort provides. My particular concern is that I schedule tasks running code that I don't wish to completely trust. In particular, I can't be sure this untrusted code won't deadlock and therefore I can't be certain if a Task I schedule using this code will ever complete. I want to stay away from true AppDomain isolation (due to the overhead and complexity of marshaling), but I also don't want to leave a Task thread hanging around, deadlocked. Is there a way to do this in TPL?

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  • HTTP Authentication with Web References

    - by Thor
    I have a web reference created from the WSDL, but I'm not allowed to call the function unless I pass in the username / password; the original code for the XML toolkit was: Set client = CreateObject("MSSOAP.SOAPClient30") URL = "http://" & host & "/_common/webservices/Trend?wsdl" client.mssoapinit (URL) client.ConnectorProperty("WinHTTPAuthScheme") = 1 client.ConnectorProperty("AuthUser") = user client.ConnectorProperty("AuthPassword") = passwd On Error GoTo err Dim result1() As String result1 = client.getTrendData(expression, startDate, endDate, limitFromStart, maxRecords How do I add the AuthUser/AuthPassword to my new code? New code: ALCServer.TrendClient tc = new WindowsFormsApplication1.ALCServer.TrendClient(); foreach(string s in tc.getTrendData(textBox2.Text, "5/25/2009", "5/28/2009", false, 500)) textBox1.Text+= s;

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  • Webreference vs servicereference. Only one works ? Serialization ?

    - by phenevo
    Hi, I've got two applications. One uses webreference to my webservice, and second use servicereference to my webservice. There is metohod which I'm invoking: [WebMethod] public Car[] GetCars(string carCode) { Cars[] cars= ModelToContract.ToCars(MyFacade.GetCars(carCode); return cars; } Car has two pools: string Code {get;set;} CarType Type {get;set;} public enum CarType { Van=0, Pickup=1 } I'm debuging this webMethod, and... at the end webservice throw good collection of cars, which has one car: code="bmw",Type.Van But... Application with webrefence receives the same collection and application with servicereference gets collection, where field code is null... Invoking servicereference: MyService myService=new MyService() Cars[] cars= client.GetCars(carcode); Invoking webservice: MyService.MyServiceSoapClient client = new MyServiceS.MyServiceSoapClient(); Cars[] cars= client.GetCars(carcode);

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  • radiobutton not working in allkeys

    - by gerred
    i have a radiobutton built throught my code. this is the code for that. dim 1 as intereger = 0 Dim rd As New RadioButton rd.ID = "rd_" & i rd.GroupName = "rd_g" TD.Controls.Add(rd) i = i+1 the reason i gave groupname is so that when i select the radiobutton only one is selected at one time and not all. but this creates a problem in my save button. here's the code for that - For Each key As String In Request.Form.AllKeys If key.Contains("rd_") Then Dim temp1 As String = key.Substring(key.IndexOf("rd_")).Replace("rd_", "") Dim id As Integer = Val(temp) If id 0 Then SQL = "select .... " In the Request.Form.AllKeys I only get the groupname and not the ID of the radiobutton that i need. what am i doing wrong?

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  • missing Axhost after using axImp.exe

    - by user311130
    Hey all, I want to use to connect with RDP from c# code. I have fpund a code_Guru code that does that but need AxMSTSCLib.dll as a reference. One of this dll member is Axhost. I'm using the command axImp.exe to create a AxMSTSCLib.dll: %%\aximp.exe %windir%\system32\mstscax.dll But there is no Axhost (check the object browser through visual studio). (here is my dll compared with the one which was donloaded from code-guru http://drop.io/hidden/eopb4tphk8qekl/asset/bm8tZ2V0LW9jeC1qcGc%253D http://drop.io/hidden/eopb4tphk8qekl/asset/Z2V0b2N4LTEtanBn ) Anyone knows why? and how can I fix that? or where should i ask this ver specific question? Regards,

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  • jQueryUI Ajax.NET Postback Bug

    - by nigative
    Hi, I have this ASP.NET page with ASP.NET UpdatePanel and jQueryUI droppable and sortable components. The page works fine in all browsers, but doesn't in Internet Explorer (IE8 tested). After I try to call ASP.NET AJAX event (by pressing my asp.net button inside the UpdatePanel) my sortable list stops working properly inside IE browser and the browser throws the following error: Message: Unspecified error. Line: 145 Char: 186 Code: 0 URI: http://code.jquery.com/jquery-1.4.2.min.js I found out that the problem is caused by the code on line 66: $("#droppable").droppable(); If I comment it out, the sortable list works fine after ajax postbacks. But it doesn't make sense. Does anyone know what could be wrong? Thanks. P.S. I am using jQueryUI 1.8.1 and jQuery 1.4.2

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  • Testing input fields not available for web service in Visual Web Developer Express

    - by Rob Segal
    I have a web service that I am trying to test in Visual Web Developer Express Edition (Service Pack 1). I am working with two different websites on two different branches from an SVN repository but largely the same code. The web services are the same code but there are some code differences for other features. My problem is that when going to the web service specification page in debug mode (i.e. MyWebService.asmx) there should be text fields for inputting parameters for that web service. On one of these web sites the fields are available. On another they are not available. I don't understand why/how there should be any differences between the two setups.

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  • Gmail 3-legged OAuth access -- Zend_Mail_Protocol_Exception

    - by tchaymore
    I'm trying to access Gmail by using three-legged Oauth PHP code provided by Google ('google-mail-xoauth-tools') here: http://code.google.com/apis/gmail/oauth/code.html. I have my domain registered and everything seems to go fine with OAuth, but after I authorize access I get this error: Fatal error: Uncaught exception 'Zend_Mail_Protocol_Exception' with message 'cannot connect to host; error = Connection refused (errno = 111 )' in /home/tchaymor/public_html/gmail/Zend/Mail/Protocol/Imap.php:100 Stack trace: #0 /home/tchaymor/public_html/gmail/Zend/Mail/Protocol/Imap.php(61): Zend_Mail_Protocol_Imap->connect('imap.gmail.com', '993', true) #1 /home/tchaymor/public_html/gmail/three-legged.php(170): Zend_Mail_Protocol_Imap->__construct('imap.gmail.com', '993', true) #2 {main} thrown in /home/tchaymor/public_html/gmail/Zend/Mail/Protocol/Imap.php on line 100 This is my first time using OAuth with any Google products, so it could be something totally brainless I'm missing. Any suggestions would be most welcome (as suggestions for easier alternatives). I'm more on the designer rather than coder end, so the simpler the better.

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  • dllimport C++ DLL In VB.net

    - by JFLow
    Hi Experts out there, I'm stuck at dll imports with the c++ dll and i really need help to get over this. Here is the function in the c++ dll that i want to call from my VB.net code. bool LoadNewTestPlan(const char* szPlanFileName=" "); I've tried many ways in my VB.net but always getting the error : "Attempted to read or write protected memory. This is often an indication that other memory is corrupt." I have tried passing in byte(), Marshalling with LPStr, SafeArray and nothing works. Here is the example of my code code within the module <DllImport("HPVKIfc.dll", EntryPoint:="?LoadNewTestPlan@HPVKIfc@@QAE_NPBD@Z", CharSet:=CharSet.Ansi)> _ Public Function LoadNewTestPlan(<MarshalAs(UnmanagedType.LPStr)> ByVal pln As String) As Boolean End Function Do you see anything wrong? Thanks in advance.

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  • How do you debug a unit test in Xcode 3?

    - by Dov
    I followed Apple's instructions to set up Unit Testing in my project. I followed the directions for making them dependent, so the tests run with every build of my main project. This works, and when my tests pass the application runs; when they don't, I get build errors on the lines of the unit tests that failed. I would like, however, to be able to step through my application code when the tests are failing, but can't get Xcode (3.2.5) configured properly. The project is a Mac project, not iOS. I tried the instructions here and here, but execution never stopped at the breakpoints I set, neither in the the unit test code or in my application code. After following the first set of instructions, the breakpoints I set turned yellow with blue outlines, and I don't know what that meant, either. What do I need to do to step through my tests?

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  • How to connect to local MQseries queue using Python?

    - by Michal Niklas
    I am new to mqseries and I started with IBM WebSphere MQ curses. There are examples with MQ_APPLE and MQ_ORANGE queue managers. I have no problem with sending messages to local or remote queue with MQ Explorer, but I wanted to send such message from code: Python or Java. I tried Python pymqi library with code like this: import pymqi qmgr = pymqi.QueueManager(None) qmgr.connect('QM_APPLE') putq = pymqi.Queue(qmgr, 'Q1') putq.put('Hello from Python!') but I receive error: Traceback (most recent call last): File "mq_put.py", line 4, in <module> qmgr.connect('QM_APPLE') File "c:\Python26\lib\site-packages\pymqi.py", line 758, in connect raise MQMIError(rv[1], rv[2]) pymqi.MQMIError: MQI Error. Comp: 2, Reason 2540: FAILED: MQRC_UNKNOWN_CHANNEL_NAME There is QM_APPLE queue manager with Q1 local queue. What is wrong with my code?

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  • Google App Engine (python): TemplateSyntaxError: 'for' statements with five words should end in 'rev

    - by Phil
    This is using the web app framework, not Django. The following template code is giving me an TemplateSyntaxError: 'for' statements with five words should end in 'reversed' error when I try to render a dictionary. I don't understand what's causing this error. Could somebody shed some light on it for me? {% for code, name in charts.items %} <option value="{{code}}">{{name}}</option> {% endfor %} I'm rendering it using the following: class GenerateChart(basewebview): def get(self): values = {"datepicker":True} values["charts"] = {"p3": "3D Pie Chart", "p": "Segmented Pied Chart"} self.render_page("generatechart.html", values) class basewebview(webapp.RequestHandler): ''' Base class for all webapp.RequestHandler type classes ''' def render_page(self, filename, template_values=dict()): filename = "%s/%s" % (_template_dir, filename) path = os.path.join(os.path.dirname(__file__), filename) self.response.out.write(template.render(path, template_values))

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  • Is writing eSQL database agnostic?

    - by Robert Koritnik
    Using EF we can use LINQ to read data which is rather simple (especialy using fluent calls), but we have less control unless we write eSQL on our own. Is writing eSQL database actually data store independant code? So if we decide to change data store, can the same statements still be used? Is writing eSQL strings in your code pose any serious security threats similar to writing TSQL statements in plain strings? So we moved to SPs. Could we still mode eSQL scripts outside of code as well and use some other technique to make them a bit more secure?

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  • UiElement from abstract class

    - by plotnick
    I placed a control into a grid. let's say the control is derived from public class 'ButBase' which is derived in its turn from System.Windows.Controls.Button. The code normally compiles and app works just fine. But there's something really annoying. When you try to switch to xaml-design tab it will say 'The document root element is not supported by the visual designer', which is normal and I'm totally okay with that, but the thing is, that all the xaml code is underlined and VS2010 says: 'Cannot create an instance of ButBase' although still normally compiles and able to run. I've tried the same code in VS2008, it said that needs to see a public parameterless constructor in the ButBase, and even after I put one it showed the same error. What do I miss here?

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  • Problem with animating the deletion of table rows in jQuery

    - by Victor
    Hey guys, I have written some jQuery code to use the "slideUp" animation when deleting rows from a table. In order for the animation to appear smooth, I wrapped the contents of each TD in the row with DIV tags, and called the slideUp function on the DIVs, removing the actual TDs upon completion of the animation. The code for that is as follows: $("tr[id$=" + rowID + "]").children("td").each(function() { $(this).children("div").slideUp(function() { $(this).parent().remove(); }); }); So far, so good. However, I noticed that this code does not remove the actual TR, only its contents, so I added the following line to remove the TR: $("tr[id$=" + rowID + "]").remove(); The problem is that after I added the line above, the animation quit working. In other words, the row simply disappears without the nice sliding effect. Does anybody know why this is so and how to get around it? Thanks in advance for your insights! Victor

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  • how to solve run time error 'Failed to create writable database file with message 'The operation couldn’t be completed. (Cocoa error 260.)'.'?

    - by user1432045
    I am beginner of iPhone I have created database but that give run time error of Failed to create writable database file with message 'The operation couldn’t be completed my code is -(void)createdatabase { NSFileManager *fileManager=[NSFileManager defaultManager]; NSError *error; NSString *dbPath=[self getDBPath]; BOOL success=[fileManager fileExistsAtPath:dbPath]; if(!success) { NSString *defaultDBPath=[[[NSBundle mainBundle]resourcePath] stringByAppendingPathComponent:@"SQL.sqlite"]; success=[fileManager copyItemAtPath:defaultDBPath toPath:dbPath error:&error]; if(!success) { NSAssert1(0, @"Failed to create writable database file with message '%@'.", [error localizedDescription]); } } } give any suggestion and source code which is apply in my code

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  • Load nsimage from url but only some url's work

    - by happyCoding25
    I have some code that loads an image file off the web and puts it in an image view. The problem is it works with everything but Google Charts. This is frustrating because I was relying on this to graph data for my app. Heres the url I need to load: Click to see my test chart. Im not sure why NSImage seems to refuse to load this when it works with everything elese. If you know why or have a work-around any help is appreciated. Heres some sample code I found that I'm using to load the images: NSURL *imageURL = [NSURL URLWithString:@"http://chart.apis.google.com/chart?cht=p3&chs=700x400&chd=t:20,20,20,20,20&chl=A|B|C|D|E&chco=66FF33,3333CC"]; NSLog(@"url"); NSData *imageData = [imageURL resourceDataUsingCache:NO]; NSLog(@"data"); NSImage *imageFromBundle = [[NSImage alloc] initWithData:imageData]; (Note: This code will load any image except a chart) Thanks

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  • UiElement based on another class

    - by plotnick
    I placed a control into a grid. let's say the control is derived from public class 'ButBase' which is derived in its turn from System.Windows.Controls.Button. The code normally compiles and app works just fine. But there's something really annoying. When you try to switch to xaml-design tab it will say 'The document root element is not supported by the visual designer', which is normal and I'm totally okay with that, but the thing is, that all the xaml code is underlined and VS2010 says: 'Cannot create an instance of ButBase' although still normally compiles and able to run. I've tried the same code in VS2008, it said that needs to see a public parameterless constructor in the ButBase, and even after I put one it showed the same error. What do I miss here?

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  • AsyncTask, RejectedExecutionException and Task Limit

    - by Samuh
    I am fetching lots of thumbnails from a remote server and displaying them in a grid view, using AsyncTask. The problem is, my grid view displays 20 thumbnails at a time, so that creates 20 AsyncTasks and starts 20 executes, one per thumbnail. I get RejectedExecution exception in my code. I recall reading somewhere that there is a limit to number of tasks that AsyncTask can have in its queue at a time, i might be hitting that. Was this bar lifted? Is there a way to increase this limit? Is it safe to just ignore this exception?(by having an empty catch(RejectedException e){} block?) I am running this code on Android 1.6 emulator and the API level in my code(minSDKVersion is 3). [EDIT: Added SDK and API level info]

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