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• How to add a context processor from a Django app

  - by Edan Maor

  Say I'm writing a Django app, and all the templates in the app require a certain variable. The "classic" way to deal with this, afaik, is to write a context processor and add it to TEMPLATE_CONTEXT_PROCESSORS in the settings.py. My question is, is this the right way to do it, considering that apps are supposed to be "independent" from the actual project using them? In other words, when deploying that app to a new project, is there any way to avoid the project having to explicitly mess around with its settings?

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• Facebooker2 template issue

  - by Srini

  Hi, When i include fb_connect_async_js javascript helper it is throwing an error , Facebooker 2 don't have action view template. Could you please tell me how handle this situation . undefined local variable or method `fb_connect_async_js' for ActionView::Base Thanks, Srini

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• Ruby - How to remove a setter on an object

  - by Markus Orrelly

  Given a class like this: class B class << self attr_accessor :var end end Suppose I can't modify the original source code of class B. How might I go about removing the setter on the class variable var? I've tried using something like B.send("unset_method", "var="), but that doesn't work (nor does remove_method, or overwriting that method with a var= method that doesn't do anything). Any ideas?

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• Cocoa-Touch Fun. Name the Alphanumerically Longest Method Name?

  - by dugla

  So, as I get comfortable with Cocoa/Cocoa-Touch I, like others can't help but notice the rather verbose method names. What is the absolutely longest method in Cocoa-Touch that you have come across? To kick things off, I submit that perennial favorite from UITableViewController - tableView:accessoryButtonTappedForRowWithIndexPath: Cheers, Doug

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• JQuery: How to AutoComplete "City, State" ?

  - by NickT

  Question: How can you use the JQuery Auto-Completion plugin to suggest a location ("City, State") for an input field? Meaning, someone wants to type in "Chicago, IL" ... so they begin typing "Chi" and it auto-suggestions "Chicago, IL". My biggest hurdles is finding a service that I can query to find out all US city+state names. I essentially want to do what the StackOverflow "Tags" input form works but form "City, State" auto completion.

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• Latex: Listing all figures (tables, algorithm) once again at the end of the document

  - by Zlatko

  Hi all, I have been writhing a rather large document with latex. Now I would like to list all the figures / tables / algortihms once again at the end of the file so that I can check if they all look the same. For example, if every algorithm has the same notation. How can I do this? I know about \listofalgorithms and \listoffigures but they only list the names of the algorithms or figures and the pages where they are. Thanks.

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• How to build a conditional assignment in bash?

  - by Neuquino

  I'm looking a way to build conditional assignments in bash: In Java it looks like this: int variable= (condition) ? 1 : 0; Thanks in advance

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• Pass a value to an inFrame

  - by user106707

  This probably an easy thing to do but for some reason I can't get a handle on it. I have a simple form that allows people to select one if three items for sale. When they chose their item I need to pass that variable into an iFrame with a third party checkout page to safely process their cc transaction. How would I do this? Cheers-

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• MATLAB expression column indexing

  - by Yassin

  I have an expression that gives a matrix and I want to access an element, without creating a temporary variable, something like this cov(M)(1,1). How can I do it? Thanks!

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• where can i get Request.Browser.Platform items from ?

  - by eugeneK

  Hi, i want to have pre-made list of most common OSes in my DB and all non default to be listed as other. Problem is i don't know what OSes called in Request.Browser object. List i want to have WinXP, Vista, Win7, Linux, MacOS and other... Do any of you know what are exact names of these OSes in Request.Browser.Platform or where i can get list of values from ?

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• using an array in a custom formula in crystal reports xi

  - by Kim Sharpe

  I have a formula which is working; the formula uses an array. I tried to extract the formula to create a custom formula but now get an error in the syntax. I am wondering if the array is causing the problem as the error is on the line: last_element_current:=val(sc_array[1]) + 1; and the error is: the ) is missing and highlights the variable sc_array before the index [1].

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• How does volatile actually work?

  - by FredOverflow

  Marking a variable as volatile in Java ensures that every thread sees the value that was last written to it instead of some stale value. I was wondering how this is actually achieved. Does the JVM emit special instructions that flush the CPU cashes or something?

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• How do I write a combined CheckboxPreference / PreferenceScreen?

  - by aioobe

  I would like to have a checkbox preference that takes the user to a new (sub)preference screen if the user presses on the actual text (and not on the checkbox to the right). Just as the control under Settings - Wireless - Mobile Network Settings - Access Point Names.

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• GLOBALS ARE BAAAAAAADDDD!!!!!

  - by Matt

  HOWEVER! would setting the $link to my database be one thing that I prolly should use a GLOBAL scope for? In my setting of (lots of functions)...it seems as though having only one variable that is on the global scope would be wise. I am currently using the functions to transfer it back and forth so that way I do not have it on global...but it is a bit of a hinder to my script. Please Advise, Thank you. Matt

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• Syntax proposition

  - by Knowing me knowing you

  I wonder if syntax as follows would be helpful in your opinion as a code readability improvent and self-commenting of code: std::map<std::string name, std::vector<int> scores> myMap; In this example it clearly says and no other comment is needed, what for we are using myMap variable. Looking forward to your opinions.

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• Mimic C preprocessor with Python/Ruby?

  - by prosseek

  I need to mimic the preprocessor feature of C with Python. If I want to run the debug release, I use as follows with C #ifdef DEBUG printf(...) #endif I just use -DDEBUG or similar to trigger it on or off. What method can I use for Python/Ruby? I mean, what should I do to control the behavior of python/ruby scripts in such a way that I can change a variable that affects all the script files in a project?

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• NSUIntever vs unsigned int when range is very small?

  - by Michael Matheus

  I have a variable, an unsigned int and it can only have the values of 0 - 30. What should I use, unsigned int or NSUInteger? (for both 32 and 64 bit)

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• Open source, programmable online video player available?

  - by JB

  I got this great idea that I'm thinking about implementing, but before I go into the deep end I wanted to get a clue about what options I have. I'm looking for an open source, programmable video player. Must: Play video files from a user's computer not a server Connect to a server to retrieve/send info (not limited to file xfer) Prefer: Web-based player Easily programmable (because i'm no pro at programming <; Any names of open-source programs or players that you guys think I could use? Any help is really appreciated

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• Finding the best person in an array

  - by dalton

  I have an An Array called Names[5] and one called scores[5][5] each row coesponds with the name in the respective index. I need to find the highest score in the scores array and return the name that corosponds with it

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• VB Equivalent of C# Type Check

  - by Steven

  What is the VB Equivalent of the following C# boolean expression? data.GetType() == typeof(System.Data.DataView) Note: The variable data is declared as IEnumerable.

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• Concatenate String

  - by João Madureira Pires

  Hi there. I have the following javascript function: <script type="text/javascript"> function quickCardRegister_OnCompleteSave() { publishContent('This is a description',#{imagePath},'http://www.lala.com'); } </script> The imagePath variable is populated with value: http://localhost/img/30_w130px.gif I'm having the following script error: missing ) after argument list publishContent('This is a description',http://localhost/img/30_w130px.gif,'http://www.lala.com'); How can i surround http://localhost/img/30_w130px.gif with quotes? Thanks

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• In what situation should the built-in 'operator' module be used in python?

  - by apphacker

  I'm speaking of this module: http://docs.python.org/library/operator.html From the article: The operator module exports a set of functions implemented in C corresponding to the intrinsic operators of Python. For example, operator.add(x, y) is equivalent to the expression x+y. The function names are those used for special class methods; variants without leading and trailing __ are also provided for convenience. I'm not sure I understand the benefit or purpose of this module.

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• How to access Active Directory using C++Builder?

  - by Gus Brown

  I need to get a list of user names from Active Directory using C++Builder. I know I could shell out to batch file and run the csvde.exe command but surely there is a nicer way using a library or something, right? Are there any C++ libraries? (hopefully with examples?) Many thanks! -Dan

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• Django 1.1 equivalent of the 'in' operator

  - by DavidG

  I need to display a piece of HTML only if a variable value appears in a list. I know that Django 1.2 has an 'in' operator. But I am working on a Google App Engine app. Is there a workaround I can use?

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• UNIQUE CONSTRAINT on a column from foreign table in SQL Server 2008

  - by bodziec

  I have two tables: create table [dbo].[Main] ( [ID] [int] identity(1,1) primary key not null, [Sign] [char](1) not null ) create table [dbo].[Names] ( [ID_Main][int] primary key not null, [Name][nvarchar](128) not null, constraint [FK_Main_Users] foreign key ([ID_Main]) references [dbo].[Main]([ID]), constraint [CK_Name] unique ([Name], [Sign]) ) The problem is with the second constraint CK_Name Is there a way to make a constraint target column from a foreign table?

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