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  • Is there a 'hello world' website for django? OR (I've installed django, now what) ?

    - by morpheous
    I'm learning Python and decided to start familiarizing myself with the (defacto?) Python web framework - django. I have successfully installed the latest release of django. I want a simple 'hello world' website that will get me up and running quickly. I am already familiar with web frameworks (albeit for different languages) - so I just need a simple 'hello world' example website to help me get going. Ideally, I don't want to mess up with my Apache server settings (as I am still experimenting), so I want to use the lightweight web server that django bundles. I cant seem to find how to do this on the django website though - no doubt someone will post a link and shame me ... So, does anyone know of a link that shows how to get a simple 'hello world' django website up and running with minimal fuss?

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  • How can you setup multiple WSGI apps on one server?

    - by Shakakai
    I'm working on a python based server product where a user can install WSGI-based python apps on their server. I can enforce any restriction on the application structure or format to make this easy. The user workflow would be: browse an app market, showing a list of WSGIpython apps select an app and choose "install" the app would be downloaded from a remote server to the user's server the http server would then have to be configured to start serving that application from the app's id, ex. a blog app with an id of "blog" at "/blog/", so all requests below /blog/ would be seen as root by the blog application. Any suggestions on how to set something like this up? Holler if my flow of consciousness lost you ;)

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  • Blackberry - custom logic for checkboxes group

    - by SWATI
    if i click on any checkbox all previous checkboxes must get checked "my logic works" if i uncheck a checkbox then all checkboxes after it must get unchecked "how to do that" MyLogic works for storm but not for other models what to do //well what i want to do is i have 5 checkboxes class myscreen { chk_service = new CheckboxField[5]; chk_service[0]= new CheckboxField("1",true) chk_service[1]= new CheckboxField("2",false) chk_service[2]= new CheckboxField("3",false) chk_service[3]= new CheckboxField("4",false) chk_service[4]= new CheckboxField("5",false) CheckboxFieldChangeListener obj = new CheckboxFieldChangeListener(chk_service); chk_service[0].setChangeListener(obj); chk_service[1].setChangeListener(obj); chk_service[2].setChangeListener(obj); chk_service[3].setChangeListener(obj); chk_service[4].setChangeListener(obj); hm4 = new HorizontalFieldManager(); hm4.add(chk_service[0]); hm4.add(chk_service[1]); hm4.add(chk_service[2]); hm4.add(chk_service[3]); hm4.add(chk_service[4]); add(hm4); } public CheckboxFieldChangeListener (CheckboxField[] arrFields) { m_arrFields = arrFields; } public void fieldChanged(Field field, int context) { if(true == ((CheckboxField) field).getChecked()) { for(int i = 0; i < m_arrFields.length; i++) { if(m_arrFields[i]==field) { //a[j]=i; j++; break; } else { CheckboxField oField = m_arrFields[i]; oField.setChecked(true); } } } a[k] = j; if(false == ((CheckboxField) field).getChecked()) { for(int i =field.getIndex(); i < m_arrFields.length; i++) { if(m_arrFields[i]==field) { //a[j]=i; j++; break; } else { CheckboxField oField = m_arrFields[i]; oField.setChecked(false); } } } } }

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  • Google App Engine says "Must authenticate first." while trying to deploy any app

    - by Oleksandr Bolotov
    Google App Engine says "Must authenticate first." while trying to deploy any app: me@myhost /opt/google_appengine $ python appcfg.py update ~/sda2/workspace/lyapapam/ Application: lyapapam; version: 1. Server: appengine.google.com. Scanning files on local disk. Scanned 500 files. Scanned 1000 files. Initiating update. Email: <my_email_was_here>@gmail.com Password for <my_email_was_here>@gmail.com: Error 401: --- begin server output --- Must authenticate first. --- end server output --- We are getting this message with any appliation and under any developer account avialable to us That's what we have installed: App Engine SDK - 1.3.2 PIL - 1.1.7 Python - 2.5.5 pip - 0.6.3 ssl - 1.15 wsgiref - 0.1.2 How can I fix it? Is it well known problem?

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  • Good Way to Debug Visual Studio Designer Errors

    - by Daisuke Shimamoto
    Hi, Does anyone know a good way to debug errors in the Visual Studio Designer? In our project we have tons of UserControls and many complex forms. For the complex ones, the Designer often throws various exceptions which doesn't help much and was wondering if there's some nice way to figure out what has gone wrong. The language is C# and we're using Visual Studio 2005. Thanks, Daisuke

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  • Background image in java

    - by Mona
    hi, i'm trying to put an image as a background of my interface in java , i tried to write a class that does that and using it , but is there a simpler way to do that . thanks

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  • How do I prevent Window resizing when the Workstation is Locked then Unlocked?

    - by Terry
    We have an application that is run in multi-monitor environments. Users normally have the application dialog spread out to span multiple mointors. If the user locks the workstation, and then unlocks it, our application is told to resize. Our users find this behavior frustrating, as they then spend some time restoring the previous layout. We're not yet sure whether it is the graphics driver requesting the resize or Windows. Hopefully through this question, it will become clearer which component is responsible, Popular applications like (File) Explorer and Firefox behave the same way in this setup. To replicate just: open Explorer (Win+E) drag the Explorer window to being horizontally larger than 1 screen lock workstation (Win+L), unlock the application should now resize to being solely on 1 screen How do I prevent Window resizing when the Workstation is Locked then Unlocked? Will we need to code in checks for (un)locking? Is there another mechanism we're not aware of?

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  • Django Import Error with URLS and ROOT_URLCONF confusion

    - by tipu
    The error can be seen here: http://djaffry.selfip.com:8080/ In httpd conf, <VirtualHost *:8080> ServerName tweet_search_engine DocumentRoot /var/www/microblogsearchengine/twingle </VirtualHost> <Directory /var/www/microblogsearchengine/twingle> SetHandler python-program PythonHandler django.core.handlers.modpython SetEnv DJANGO_SETTINGS_MODULE settings PythonOption django.root /var/www/microbloggingsearchengine/twingle PythonDebug On </Directory> Running python manage.py runserver and visiting localhost:8000 returns a splash page telling me everything is okay. However when I visit this site through apache, I get an import error with urls. In my settings.py file I have a line, ROOT_URLCONF = 'twingle.urls' I'm assuming this is the cause of the error. The project folder contains only 4 files: __init__.py manage.py settings.py urls.py I tried replacing twingle.urls with urls.py but then it gave me a different error. What is it I can do to get this working?

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  • Java action perfmored when text is enterd into a textarea

    - by adam08
    I'm wondering if someone can help me out. I'm entered a chacter into a text area from a button, and want to use the string entered into the textarea to retrieve words from a list. Bear in mind, there could be numerous characters entered. Is it possible for a text area to detect when text has been entered and to action it?

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  • Is it possible to produce a small preview or thumbnail image of a Crystal report in code?

    - by Lawrence Johnston
    I'm using Crystal to display the reports in my project, and I'd like to be able to display a small preview or thumbnail image of the report to the user when he or she is picking a report to display from my UI. Is there any way to produce these thumbnails dynamically from code? The user has the option to add or remove reports by adding or removing them from the reports folder, so just making all the thumbnail images by hand isn't really an option.

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  • JPanel's child components paint/layout problem

    - by Tom Brito
    I'm having a problem that when my frame is shown (after a login dialog) the buttons are not on correct position, then in some miliseconds they go to the right position (the center of the panel with border layout). When I make a SSCCE, it works correct, but when I run my whole code I have this fast-miliseconds delay to the buttons to go to the correct place. Unfortunately, I can't post the whole code, but the method that shows the frame is: public void login(JComponent userView) { centerPanel.removeAll(); centerPanel.add(userView); centerPanel.revalidate(); centerPanel.repaint(); frame.setVisible(true); } What would cause this delay to the panel layout? (I'm running everything in the EDT) -- update In my machine, this SSCCE shows the layout problem in 2 of 10 times I run it: import java.awt.BorderLayout; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.SwingUtilities; public class TEST { public static void main(String[] args) throws Exception { SwingUtilities.invokeAndWait(new Runnable() { @Override public void run() { System.out.println("Debug test..."); JPanel btnPnl = new JPanel(); btnPnl.add(new JButton("TEST")); JFrame f = new JFrame("TEST"); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.getContentPane().setLayout(new BorderLayout()); f.getContentPane().add(btnPnl); f.pack(); f.setSize(800, 600); f.setVisible(true); System.out.println("End debug test!"); } }); } } The button first appers in the up-left, and then it goes to the center. Please, note that I'm understand, not just correct. Is it a java bug? --update OK, so the SSCCE don't show the problem with you that tried till now. Maybe it's my computer performance problem. But this don't answer the question, I still think Java Swing is creating new threads for make the layout behind the scenes.

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  • AppEngine GeoPt Data Upload

    - by Eric Landry
    I'm writing a GAE app in Java and only using Python for the data upload. I'm trying to import a CSV file that looks like this: POSTAL_CODE_ID,PostalCode,City,Province,ProvinceCode,CityType,Latitude,Longitude 1,A0E2Z0,Monkstown,Newfoundland,NL,D,47.150300000000001,-55.299500000000002 I was able to import this file in my datastore if I import Latitude and Longitude as floats, but I'm having trouble figuring out how to import lat and lng as a GeoPt. Here is my loader.py file: import datetime from google.appengine.ext import db from google.appengine.tools import bulkloader class PostalCode(db.Model): id = db.IntegerProperty() postal_code = db.PostalAddressProperty() city = db.StringProperty() province = db.StringProperty() province_code = db.StringProperty() city_type = db.StringProperty() lat = db.FloatProperty() lng = db.FloatProperty() class PostalCodeLoader(bulkloader.Loader): def __init__(self): bulkloader.Loader.__init__(self, 'PostalCode', [('id', int), ('postal_code', str), ('city', str), ('province', str), ('province_code', str), ('city_type', str), ('lat', float), ('lng', float) ]) loaders = [PostalCodeLoader] I think that the two db.FloatProperty() lines should be replaced with a db.GeoPtProperty(), but that's where my trail ends. I'm very new to Python so any help would be greatly appreciated.

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  • How to expose a web appication via API ?

    - by iamgopal
    Hi , we have create a web application on top of google app engine and python. which is almost about to complete it web front phase. I would also like to make it available almost all part of it to external applications. { via , xml , json , http , as many as possible. } . what's the best way to do it ? any library either for python or django available out ther ? Thanks.

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  • How does SWTBOT run a custom eclipse based application? I don't know how to specify my target application

    - by jlisam13
    I have an eclipse based application. I have heard of swtbot however I am having a hard time understanding how exactly does this tool run my application and how would I specify that. This eclipse based application has an executable and various configuration/plugin/features files. I have done the tutorials about swtbot and I have successfully completed them but they all just create a template application to test on. Is this even possible? If not do you guys have any alternatives for UI automation testing on eclipse based apps? Thanks.

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  • In a pre-commit hook - how to access/compare current and previous versions of files

    - by EthanML
    I'm trying to add to our existing pre-commit SVN hook so that it will check for and block an increase in file size for files in specific directory/s. I've written a python script to compare two file sizes, which takes two files as arguments and uses sys.exit(0) or (1) to return the result, this part seems to work fine. My problem is in calling the python script from the batch file, how to reference the newly committed and previous versions of each file? The existing code is new to me and a mess of %REPOS%, %TXN%s etc and I'm not sure how to go about using them. Is there a simple, standard way of doing this? It also already contains code to loop through the changed files using svnlook changed, so that part shouldn't be an issue. Thanks very much

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  • gVim and multiple programming languages

    - by Abhi
    My day job involves coding with Perl. At home I play around with Python and Erlang. For Perl I want to indent my code with two spaces. Whereas for Python the standard is 4. Also I have some key bindings to open function declarations which I would like to use with all programming languages. How can this be achieved in gVim? As in, is there a way to maintain a configuration file for each programming language or something of that sort?

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  • Web application UI examples

    - by JBeckton
    I am currently prototyping a line of business application for the company I work for. It will be web based written in ASP.Net. I am looking for some web application UI examples to give me some creative ideas to jump start the UI design and layout.

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  • How can two programs talk to each other in Java?

    - by Arnon
    I want to ?reduce? the CPU usage/ROM usage/RAM usage - generally?, all system resources that my app uses - who doesn't? :) For this reason I want to split the preferences window from the rest of the application, and let the preferences window to run as ?independent? program. The preferences program ?should? write to a Property file(not a problem at all) and to send a "update signal" to the main program - which means it should call the update method (that i wrote) that found in the Main class. How can I call the update method in the Main program from the preferences program? To put it another way, is a way to build preferences window that take system resources just when the window appears? Is this approach - of separating programs and let them talk to each other (somehow) - the right approach for speeding up my programs?

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  • Refactoring thick client legacy application

    - by Paul
    I am working on a fat client legacy C++ application which has a lot of business logic mixed in with the presentation side of things. I want to clean things out and refactor the code out completely, so there is a clear seperation of concerns. I am looking at MVC or some other suitable design pattern in order to achieve this. I would like to get recommendations from people who have walked this road before - Do I use MVP or MVC (or another pattern)? What is/are the best practices for undertaking something like this (i.e. useful steps/checks) ?

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  • Visualizing branch topology in git

    - by Benjol
    I'm playing with git in isolation on my own machine, and even like that I find it difficult to maintain a mental model of all my branches and commits. I know I can do a git log to see the commit history from where I am, but is there a way to see the entire branch topography, something like these ascii maps that seem to be used everywhere for explaining branches? .-A---M---N---O---P / / / / / I B C D E \ / / / / `-------------' It just feels like someone coming along and trying to pick up my repository would have difficulty working out exactly what was going on. I guess I'm influenced by AccuRev's stream browser...

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