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• How to create a level with curved lines with cocos2d + Box2d on the iphone?

  - by Steven

  I'd like to create a game that has levels such as this: http://img169.imageshack.us/img169/7294/picdq.png The Player moves "flies" through the level and mustn't collide with the walls. How can I create such levels? I found that piece of software: http://www.sapusmedia.com/levelsvg/ It's not that cheap, so I wonder whether there is another way to create such a level as shown in the picture above...?

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• List files that don't match a string in bash

  - by Javier

  Dear all, I'm a newbie in bash and I would like to pass as parameter to a python function all files in a directory that don't match a given pattern. sth. like: $myscripts/myprog.py $myfiles/!(bonjovi) The above example should retrieve all files that don't match to "bonjovi". Best wishes

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• How to you find out what group the current user belongs to via c++?

  - by ace

  Using my c++ program how can I find out what group the current user running my program belongs to? So my program need to figure out a couple of things : The current username of the user The group the user belongs to How can do the above 2 using c++ on a RedHat / Linux machine?

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• Java Thread - Memory consistency errors

  - by Yatendra Goel

  I was reading a Sun's tutorial on Concurrency. But I couldn't understand exactly what memory consistency errors are? I googled about that but didn't find any helpful tutorial or article about that. I know that this question is a subjective one, so you can provide me links to articles on the above topic. It would be great if you explain it with a simple example.

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• Joomla, Drupal, DotNetNuke or something else for a sport club?

  - by kjm

  I am setting up a web site for a football club and I am wondering which CMS to use. I am a developer but I am doing this as a favour to a friend and would rather grab something with modules in it (registration, events, calender, etc etc) already. I need to be able to customise it but I had a look around and Wordpress looks like a blogging tool. I am wondering if anyone has experience with the above or any others and if shed some light. Thanks

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• Executing Multiple Lines in Python

  - by metashockwave

  When Python is first installed, the default setting executes users' code input line-by-line. But sometimes I need to write programs that executes multiple lines at once. Is there a setting in Python where I can change the code execution to one block at once? Thanks if (n/2) * 2 == n:; print 'Even'; else: print 'Odd' SyntaxError: invalid syntax When I tried to run the above code, I got an invalid syntax error on ELSE

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• Gtk, whether destroying GtkBuilder destroies all the screens and widgets?

  - by PP

  Hi, Question regarding GtkBuilder. When we unref builder pointer does it destroys all the screens/widgets the builder had created? if( builder_ptr ) g_object_unref(G_OBJECT(builder_ptr)); Suppose we have created one screen using Glade/XML with some 2-3 top_level windows in it gtk_builder_add_from_file(builder_ptr, "Test.glade", &error ) and generated GtkBuilder pointer (as above) so after deleting this pointer does it deletes created Windows or do we need to manually delete these windows? Thanks, PP.

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• Is the google docs embeddable previewer out of beta and will it have an have an API?

  - by Jonathan Hendler

  https://docs.google.com/viewer is awesome, but there are some customizations I need to make, and documentation would be helpful. Discovered here http://googlesystem.blogspot.com... . Haven't seen any public documentation that would help. http://code.google.com/apis/documents/overview.html covers the Google docs - where the above is more a clone of the Google Books previewer http://books.google.com/books .

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• Dynamic status bar image creation in php

  - by jane

  I am new to image creation in php. Have a look here http://s.kapipal.com/image_progress?v=.46 If you change the param value, bar progress should also be changed to passed value How can i implement something like above? Thanks for the help inadvance

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• How to Solve this Error "Cannot convert lambda expression to type 'string' because it is not a deleg

  - by peace

  . I get this error: "Cannot convert lambda expression to type 'string' because it is not a delegate type" - keyword select become underlined in blue Can you please advice. Employee emp = new Employee(); comHandledBySQt.DataSource = from x in emp.GetDataFromTable("1") select new { x.Id, Name = x.FirstName + " " + x.LastName }; comHandledBySQt.DisplayMember = "Name"; comHandledBySQt.ValueMember = "Id"; Above code should displays drop list of employees first name and last name in a combo box

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• Possible payment status values

  - by pokrate

  Hi ! I am working on a website to sell PDF's online, where user can get the download link by email after paying through paypal. What could be the possible paypal payment status values for the above scenario ? I can only think of Complete & InComplete. Do using Processing makes sense here ?

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• Encode and Decode a string in c#

  - by Jibu P C

  Hii, I had a requirement of encode a string provided to a unreadable format and also have to decode after certain action performed. I have tried 'Base64' encoding. But this is not a secure way. I need some other solutions. Give some help regarding the above context.

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• Cannot identify the object "2" (of class WinObject). Verify that this object's properties match an o

  - by Harish Yajurvedi

  Window based application is developed in c sharp... Getting an above mentioned error while executing exe in qtp.. Please suggest how to resolve?

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• How do I get all the ids of the row created by one multiple row insert statement.

  - by Curious Jo

  Hi All. I'm new to php. So, please forgive me if this seems like a dumb question. Say i have a MySQL insert statement insert into table (a,b) values (1,2),(3,4),(5,6). table 'table' has a auto increment field called 'id'. how can I retrieve all the ids created by the insert statement above? It will be great if i get an example that uses mysqli.

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• C# : Is Variance (Covariance / Contravariance) another word for Polymorphism ?

  - by Andreas Grech

  I am trying to figure out the exact meaning of the words Covariance and Contravariance from several articles online and questions on StackOverflow, and from what I can understand, it's only another word for polymorphism. Am I correct with the above statement? Or have I got it wrong ?

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• How to get the width of a string in pixels?

  - by MA1

  I am using wxPython's HyperTreeList and I want to set the column width exactly equal to length of the largest string in it. To accomplish that, I'd like to to convert a python string size into pixels. For Example: If we have a string like str = "python" len(str) = 6 How could I convert the above string length/size into pixels? Is there another way?

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• Has anyone tried the "objectify" library for Google App Engine?

  - by Spines

  I was using JDO for my google app engine project but got fed up with the additional 5 seconds it adds to my cold start time. I was planning on just writing stuff directly to the database with the low level datastore api, but then I came accross the objectify project ( http://code.google.com/p/objectify-appengine/ ). Apparently its a super light wrapper above the low level api. Does anyone have experiences with this library that they could share?

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• Add a foreign key to existing tables in Rails (MySQL)

  - by randombits

  What's the best way to add foreign keys to my existing tables in Rails with an underlying MySQL database? clearly the solution should be done in a migration, as I want this versioned. Otherwise I'd create the constraints myself. I can't seem to find one, conducive response to they above. Again, the tables have already been created with previous migrations. I'm just going back now and adding referential integrity wherever it's applicable.

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• how to separate a string in php

  - by Martin

  sometext( [key] = value which content number and alphabates ) from above,i want only value part by using explode function for only one time.Is it possible. or any other function is present in php.

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• How to remove unwanted charecters using split in tcl

  - by Mallikarjunarao

  Here is an example Interface {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} IP-Address {} {} {} {} {} OK? Method Status {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {Protocol FastEthernet0/0} {} {} {} {} {} {} {} {} {} {} {} unassigned {} {} {} {} {} YES unset {} administratively down down {} {} {} { FastEthernet0/1} {} {} {} {} {} {} {} {} {} {} {} unassigned {} {} {} {} {} YES unset {} administratively down down I want remove {} in this. I assumed all the above string interface variable set interface [string trimright [string trimleft $interface "{}"] "{}"] but it doesn't work. How to remove the {} in my example?

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• Where Java applets game portals?

  - by StudioFortress

  I have started making some small Java games that run in a browser and have found a couple of game portals where I can host then (GameJolt.com, JavaGameTomb.com and Games4j.com). Most of the other portals I find either only allow Flash or offer the games for download. Apart from those above, what other portals exist that allow hosting applets?

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• Exact cin equivalent function in python

  - by gkt.pro

  Suppose user enter this string at terminal 123 456 456 //then hit enter How do I scan these three (could be more) numbers in different variables in python Could be something like this: for i in range(1,n) m[i]=#WHAT FUNCTION SHOULD I PUT HERE In c++ we can easily use cin>>m[i] inside above loop to scan the variables. If i use input() or raw_input() , they would scan whole line in single variable.

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• Web Request error "Logon failure: unknown user name or bad password". Any ideas?

  - by Shri

  I am trying to write a file to a network drive from my asp.Net application and i get this error - Logon failure: unknown user name or bad password. Any ideas? I am able to write to a local drive line C:/temp But when I try to save the file to a network drive such as \Server\Folder, I get the error mentioned above. Any ideas people?

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• how to Update the XMl value and write back using LINQ

  - by NewDev

  Hi all, i am having query for update the node value using Linq, For example i am have to update <Student> <studentdetail> <studentname>test</studentname> <libraryid>hem001</libraryid> </studentdetail> </Student> in above xml i want to change the value of Student name "test" ti something else like "Undertest" regards NewDev

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• table outputs blank rows on the browser

  - by fusion

  following the answer here, altho it solved my problem, it displays a blank table. .something like this. the data does get inserted in the mysql but the table displays nothing. the codes are posted on the above link. your help would be appreciated. thanks!

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