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• Printing out variables and values in a Groovy object

  - by geejay

  How can I print out the (public and internal) variables and their values of a Groovy object? This has to be a dynamic solution, i.e at runtime.

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• Python: Streaming Input with Subprocesses

  - by beary605

  Since input and raw_input() stop the program from running anymore, I want to use a subprocess to run this program... while True: print raw_input() and get its output. This is what I have as my reading program: import subprocess process = subprocess.Popen('python subinput.py', stdout=subprocess.PIPE, stderr=subprocess.PIPE) while True: output=process.stdout.read(12) if output=='' and process.poll()!=None: break if output!='': sys.stdout.write(output) sys.stdout.flush() When I run this, the subprocess exits almost as fast as it started. How can I fix this?

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• Why can't I access the instance.__class__ attribute in Python?

  - by froadie

  I'm new to Python, and I know I must be missing something pretty simple, but why doesn't this very, very simple code work? class myClass: pass testObject = myClass print testObject.__class__ I get the following error: AttributeError: class myClass has no attribute '__class__' Doesn't every object in Python have a __class__ attribute?

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• How to copy image of a chart from Silverlight application to clipboard

  - by zidane

  I have Silverlight 3.0 applications with some custom graphic and some charts. I need to find a best way to transfer this graphic to PowerPoint presentation. I`we read that Silverlight 4.0 offers new Clipboard API, but there is only support for Unicode-text, not images. Is there a way to achieve this task without forcing user to manually print screen and than paste to other applicatons.

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• UnicodeDecodeError when redirecting to file

  - by zedoo

  Hi, I run this snippet twice, in the ubuntu terminal, (encoding set to utf-8) once with ./test.py and then with ./test.py >out.txt: uni = u"\u001A\u0BC3\u1451\U0001D10C" print uni Without redirection it prints garbage. With redirection I get a UnicodeDecodeError. Can someone explain why I get the error only in the second case, or even better give a detailed explanation of what's going on behind the curtain in both cases?

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• Connecting to a fresh SQL Server installation

  - by ripper234

  I know mysql, and I'd like to learn sqlserver. I'm currently stuck on the basics of basics: How to install and configure sql server How to connect to it I installed Sql Server through Web Platform Installer, and have Visual Studio 2008 installed. Still, I can't understand how to connect to my server: I see that the SQL service itself (SQLEXPRESS) is running in both in services.msc and Sql Server Configuration Manager I try to connect to it via the Management Studio, but I don't understand what to do. Where do I begin?

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• Is there a .Net library similar to GNU readline?

  - by paul.moore.name

  I'm considering writing a console application in C# and I want to incorporate history, completion and command line editing features something like GNU readline (but not necessarily as extensive as that!) Is there an existing library for .net which provides this type of functionality? I guess one option would be to use interop services to call GNU readline. But is there a native option?

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• How can I quickly sum all numbers in a file?

  - by Mark Roberts

  I have a file which contains several thousand numbers, each on it's own line: 34 42 11 6 2 99 ... I'm looking to write a script which will print the sum of all numbers in the file. I've got a solution, but it's not very efficient. (It takes several minutes to run.) I'm looking for a more efficient solution. Any suggestions?

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• Sinatra/Rails: Persisting custom class instances during app lifetime

  - by knoopx

  Can I assert rails/sinatra apps are initialized only once and all requests share the same app instance? or do new requests spawn new app instances? Is it possible to instance custom classes and persist them during app lifetime without using sessions, database storages or third party services? If so, what are the implications from a thread-safeness point of view? I'm trying to figure how to implement a web-based download manager and I'm currently evaluating ruby-based frameworks.

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• Loop over fields in eclipse code template

  - by fastcodejava

  Can you do loops in code templates, e.g I want to print all the fields in a class. Is there a template for that?

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• What does this error mean in the contex of import excel data into a Sharepoint list?

  - by Jeremy

  After choosing 'Range Type:' Table Range and 'Select Range:' Sheet1!Table1 I get the error pop-up 'Import to Windows SharePoint Services list' 'Cannot connect to the server at this time. Your table cannot be published.' Is there somewhere in my computer I can look at for more information as to what I am doing wrong?

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• How to perform an NTLM challenge on the iPhone.

  - by toast

  I'm trying to access some web services in an iPhone application. If I GET to the .asmx page, I authenticate and get the WSDL as expected. However, if I POST to the .asmx page, setting the SOAPAction, Content-Type, Content-Length, and HTTPBody, I just keep getting didReceiveAuthenticationChallenge messages. Additionally, I'm trying to POST to IIS using Integrated Windows Authentication (IWA), which means I'm trying to negotiate an NTLM challenge.

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• Why is modulus different in different programming languages?

  - by boost

  Perl print 2 % -18; -- -16 Tcl puts [expr {2 % -18}] -- -16 but VBScript wscript.echo 2 mod -18 -- 2 Why the difference?

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• MPXJ library is interop based...

  - by adnan

  I am using MPXJ library to access Microsoft Project file in .net. before proceeding with it i wanted to make sure either it is based on Microsoft Interop services or not. i hope not :)

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• mantissa and exponent to decimal conversion in java?

  - by GK

  I am trying to print a double value in my java code. but it is printing in matissa and exponent format which I dont want to. ie for example: instead of printing 1234567 it is printing 1.234567E6 how to avoid that.

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• problem in printing floating point

  - by kudi

  hi I am using IAR c compiler, I am trying to print floating point value like printf("version number: %f\n",1.4); but I am always getting like below in console version number:ERROR help please thanks in advance kudi

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• Getting the right result of mouse click event

  - by Jessy

  Hello, I'm curious why I got the "right" BUT "wrong"number of result when I click the mouse. I supposed to print on the console mouseClicked once everytimes the mouse is clicked. However I got many of them printed out everytimes I clicked the mouse ...sometimes 5 e.g. mouseClicked mouseClicked mouseClicked mouseClicked mouseClicked Instead of just mouseClicked Why? public void mouseClicked(MouseEvent arg0) { System.out.println("mouseClicked"); }

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• How to change verbose code in Ruby to simpler using Metaprogramming?

  - by Jian Lin

  It is said that Ruby is a metaprogramming language. I wonder if the first 3 lines can be made less verbose using metaprogramming? RUBY_VERSION ||= "unknown version" RUBY_PATCHLEVEL ||= "unknown patchlevel" RUBY_PLATFORM ||= "unknown platform" print "Ruby ", RUBY_VERSION, " patch ", RUBY_PATCHLEVEL, " on ", RUBY_PLATFORM

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• what is the namespace url for in the Service Contract attribute

  - by RJ

  In the [Service Contract(Namespace="http://myuri.org/Simple")] what is the Namespace for? I have done WCF services and never included this. What is it's purpose?

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• What's the equivalent to "method reference" in Ruby

  - by Oscar Reyes

  for instance in python it is possible to assign a method to a variable: class MyClass def myMethod(self): return "Hi" x = MyClass() method = x.myMethod print method() # prints Hi I know this should be possible in Ruby, but I don't know what's the syntax.

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• Why do all of these methods of accessing an array work?

  - by bstullkid

  It seems to me that some of these should fail, but they all output what they are supposed to: $, = "\n"; %test = ( "one" => ["one_0", "one_1"], "two" => ["two_0", "two_1"] ); print @{$test{"one"}}[0], @{$test{"one"}}->[0], $test{"two"}->[0], $test{"one"}[1]; Why is this?

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• Do you find java.util.logging sufficient?

  - by Yuval A

  Per the title, do you find the default Java logging framework sufficient for your needs? Do you use alternative logging services such as log4j or others? If so, why? I'd like to hear any advice you have regarding logging requirements in different types of projects, and when integrating frameworks is actually necessary and/or useful.

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• Sharing DefaultHttpClient in Android. To synchronize or not to synchronize?

  - by johnrock

  In an Android app, I am using one static instance of org.apache.http.impl.client.DefaultHttpClient and sharing that instance in all activities and services of the app, so that this client may be used to log in once to a remote server and all subsequent user requests to that remote server will remain authenticated. Every activity or Service that makes a GET or POST to this remote server calls the same method : MyUtilityClass.gettHttpClient() Do I need to worry about synchronization of this httpclient? If so, what is the best way to handle this?

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• Please Recommend a Good .NET Oriented REST book

  - by DaveDev

  Hi Guys I'm Curious if somebody could recommend a book about REST that isn't "Effective REST Services Via .NET: For .NET Framework 3.5 (Microsoft .Net Development)". One of my colleagues read it and he wasn't too impressed with it. Can anyone suggest a better one? Thanks Dave

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• This recursive function puzzles me, what is going on?

  - by Fred

  I was playing around with recursion and did this simple function. I was assuming that it would print out 9-0 to stdout, but, it prints 0-9. I can't see how that happens at all. int main() { rec(10); return 0; } int rec(int n){ if(n > 0) printf("%d\n", rec(n -1)); return n; }

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