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• How do I include a module in a namespaced class?

  - by snl

  I am having trouble including a module in a namespaced class. The example below throws the error uninitialized constant Bar::Foo::Baz (NameError). What basic piece of Ruby knowledge am I missing here? module Foo module Baz def hello puts 'hello' end end end module Bar class Foo include Foo::Baz end end foo = Bar::Foo.new

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• Spring + Hessian on Tomcat

  - by ILya

  Hello. I have a task to write a web service with use of Hessian and Spring. Unfortunately there is not enough information so i can't make it work myself... Please can anyone write a simple Hello World for me? My version always shows 404 when accesing with browser... I'm new to java so if smb knows how to help tell me what files of my project to share. Thanks a lot!

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• Is the anchor part of a URL being sent to a web server?

  - by codeholic

  Say, there's a URL http://www.example.com/#hello Should #hello thing be sent to the web server or not, according to standards? How do modern browsers act?

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• General question about Ruby singleton class

  - by Dex

  module MyModule def my_method; 'hello'; end end class MyClass class << self include MyModule end end MyClass.my_method # => "hello I'm unsure why "include MyModule" needs to be in the singleton class in order to be called using just MyClass. Why can't I go: X = MyClass.new X.my_method

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• wx.NotificationMessage AttributeError: 'module' object has no attribute 'NotificationMessage'

  - by HughGrigg

  I get this error when trying to use wxPython's NotificationMessage class: wx.NotificationMessage("", "Hello world!").Show() AttributeError: 'module' object has no attribute 'NotificationMessage' The code is quite simply: #!/usr/bin/python import wx app = wx.App() wx.NotificationMessage("", "Hello world!").Show() app.MainLoop() What am I missing? This is running on Linux Mint 13, MATE 1.2 desktop environment, Python 2.7.3.

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• Python singleton pattern

  - by Javier Garcia

  Hi, someone can tell me why this is incorrect as a singleton pattern: class preSingleton(object): def __call__(self): return self singleton = preSingleton() a = singleton() b = singleton() print a==b a.var_in_a = 100 b.var_in_b = 'hello' print a.var_in_b print b.var_in_a Edit: The above code prints: True hello 100 thank you very much

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• How do i append query string from managed bean to url? JSF

  - by Nitesh Panchal

  Hello, Can this method work? public String sayHello(){ return "Hello.jsp?name=" + "laala"; } I am unable to access, query string using the above method. I tried ${param.name} as well as request.getParameter("name"). They both return null. Please help!

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• Split comma separated string to count duplicates

  - by josepv

  I have the following data in my database (comma separated strings): "word, test, hello" "test, lorem, word" "test" ... etc How can I transform this data into a Dictionary whereby each string is separated into each distinct word together with the number of times that it occurs, i.e. {"test", 3}, {"word", 2}, {"hello", 1}, {"lorem", 1} I will have approximately 3000 rows of data in case this makes a difference to any solution offered. Also I am using .NET 3.5 (and would be interested to see any solution using linq)

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• write system call to file desciptor ZERO

  - by shadyabhi

  int main ( ) { char C[] = "Hello World"; write(0,C,sizeof(C)); return 0; } In the above program, I am writing to File descriptor ZERO which I suppose by default is STDIN.. Then why I am I getting output at STDOUT? shadyabhi@shadyabhi-desktop:~$ ./a.out Hello Worldshadyabhi@shadyabhi-desktop:~$

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• append in middle of NSString in iPhone programming

  - by suse

  hello, how to append the value of string in between NSString? for example: NSString* str1 = @"Hello"; NSString* str2 = @"Hi.."//add contents of str1//@"how r u??"; please tell me how to achieve this??

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• What does the following COBOL program do?

  - by Jon Skeet

  IDENTIFICATION DIVISION. PROGRAM-ID. HELLO-WORLD. PROCEDURE DIVISION. DISPLAY 'Hello, world'. STOP RUN. what it do? i need 2 know soon plz help!

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• Parsec Haskell to HTML

  - by Martin

  I'm using Text.ParserCombinators.Parsec and Text.XHtml to parse an input like this: hello 123 --this is an emphasized text-- bye\n And my output should be: <p>hello 123 <em>this is an emphasized text</em> bye\n</p> Any ideas? Thanks!!

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• Java: initialization problem, cannot print "assigned" values from arrayList

  - by HH

  $ javac ArrayListTest.java $ java ArrayListTest $ cat ArrayListTest.java import java.io.*; import java.util.*; public class ArrayListTest{ public static void main(String[] args) { try { String hello ="oeoaseu oeu hsoae sthoaust hoaeut hoasntu"; ArrayList<String> appendMe = null; for(String s : hello.split(" ")) appendMe.add(s+" "); for(String s : appendMe) System.out.println(s); //WHY DOES IT NOT PRINT? }catch(Exception e){ } } }

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• how to access HttpContext.Current.Application

  - by Woland

  Hello i have problem accessing HttpContext.Current.Application From global.asax its seems to be null every time i try to access it. How can i to this? HttpContext.Current.Application.Lock(); HttpContext.Current.Application["Actions"] = "hello"; HttpContext.Current.Application.UnLock(); Thanks

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• Scroll to a div contained in a overflow:auto

  - by Dario

  Hello i have this: <div id="parent" style="overflow:auto"> ... <div id="test">Hello</div> ... </div> My question is: how to scroll parent div to have test div as first line of parent ?

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• Whats wrong with this method?

  - by John

  I'm new to java can someone please explain to me whats wrong with this method: clas Hello { public static void main (String[]arg) { Document.write ("hello world") ; }}

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• vi script problem on autocmd

  - by schemacs

  I want to create a template for all my python scripts using this autocmd bufnewfile *.py so ~/.vim/templates/python_skeleton.txt the content of python_sekleton.txt is as simple as this: #!/usr/bin/python # -*- coding: utf-8 -*- print 'Hello World' but vi give error message when i start to edit a new python script: line 2: E488: Trailing characters: # -*- coding: utf-8 -*- line 4: E488: Trailing characters: print 'Hello World' it seems '#' is not escaped,and anyone can work it out?thanks i advance

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• C question about pointers and arrays

  - by Dj

  char a[]="HELLO"; char *p="HELLO"; will a[2] and p[2] fetch the same character?

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• How to make the first Char Upper in PHP?

  - by streetparade

  I need to know how i can make a string like "hello" to "Hello" using PHP? I just need the first character to be Upper

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• How to setup Hessian Kit in iPhone existing projects

  - by Shikhar

  Hello Can any one help me to find out, how I can setup Hessian Kit on existing iPhone project. What are the steps required to run a simple hello world program. I have Hessian Kit (http://sourceforge.net/projects/hessiankit/) but don't know how I can include this in my existing project. Please help Thanks SD

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• Invalid instruction suffix for push when assembling with gas

  - by vitaut

  When assembling a file with GNU assembler I get the following error: hello.s:6: Error: invalid instruction suffix for `push' Here's the file that I'm trying to assemble: .text LC0: .ascii "Hello, world!\12\0" .globl _main _main: pushl %ebp movl %esp, %ebp subl $8, %esp andl $-16, %esp movl $0, %eax movl %eax, -4(%ebp) movl -4(%ebp), %eax call __alloca call ___main movl $LC0, (%esp) call _printf movl $0, %eax leave ret What is wrong here and how do I fix it?

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• How can I separate words in td with an html tag?

  - by jq-444

  How can I user jQuery to separate multiple words in a td with an HTML tag such as <br/>? For example, <td>hello bye</td> would become <td>hello <br/> bye</td>.

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• Change array that might contain None to an array that contains "" in python

  - by vy32

  I have a python function that gets an array called row. Typically row contains things like: ["Hello","goodbye","green"] And I print it with: print "\t".join(row) Unfortunately, sometimes it contains: ["Hello",None,"green"] Which generates this error: TypeError: sequence item 2: expected string or Unicode, NoneType found Is there an easy way to replace any None elements with ""?

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• Parse string as if it were a querystring in Ruby on Rails

  - by Koning WWWWWWWWWWWWWWWWWWWWWWW

  I have a string like this: "foo=bar&bar=foo&hello=hi" Does Ruby on Rails provide methods to parse this as if it is a querystring, so I get a hash like this: { :foo => "bar", :bar => "foo", :hello => "hi" } Or must I write it myself? EDIT Please note that the string above is not a real querystring from a URL, but rather a string stored in a cookie from Facebook Connect.

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• Django - urls.py - Filenames with a hash/pound (#) sign?

  - by miya

  I'm using django and realized that when the filename that the user wants to access (let's say a photo) has the pound sign, the entry in the url.py does not match. Any ideas? url(r'^static/(?P<path>.*)$', 'django.views.static.serve', {'document_root': MEDIA_ROOT}, it just says: "/home/user/project/static/upload/images/hello" does not exist when actually the name of the file is: hello#world.jpg Thanks, Nico

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