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• *nix: "echo 'start working' > /etc/.example" : how is this implemented?

  - by Yktula

  Say someone executes the following in a terminal: echo 'start working' > /etc/.example and when this is executed, the example program would "start working." On UNIX(-like) systems, how would something like that be implemented, and what is this kind of behavior called?

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• Facebook FXBML since Yesterday not rendering (IFRAME Canvas)

  - by ArneRie

  Hi Folks, since yesterday is my app not rendering the xfbml Tags (name and picture). Iam using the new JavaScript SDK inside an Canvas-Iframe Application. Firebug tells me the following inside the console: Get: http://0.channel20.facebook.com/x/3332504234/true/p_1348362044=0 And after a while: XFBML tags failed to render in 30000ms. Does someone has the same problems, or know why this happens?

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• Add Entities using EF

  - by kathy

  ![It would be great if someone can point me in the right direction on this topic I have the following admx: And I have to add the (AccData, CntactData, PhnNumber, FnclDetail)entities to the database in one shot What’s the best practices to do the add operation for the above entities?? ]1

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• Javascript parse/evaluation order?

  - by Breck Fresen

  This is probably a nub question, but I don't understand why this works: <script type="text/javascript"> alert(foo); function foo() { } </script> This alerts "function foo() { }", but I expected the alert to be evaluated before the function foo was defined. Can someone explain what I don't understand about parse/evaluation order or point me to a resource that does? Thanks in advance, -- Breck

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• Does Marshal.ReleaseComObject call the garbage collector ?

  - by Shimrod

  Hi, I was asked this question today by a colleague, and couldn't find any clue on the Internet... Can someone tell me if calling Marshall.ReleaseComObject()directly calls the garbage collector ? As I understand it, it only removes COM references, and then the G.C. cleans memory on its next pass, but I can be mistaken... Thanks in advance for your help!

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• How do I create breadcrumbs like in this Apple site ?

  - by Jsmith

  I've seen this page here and I really like the breadcrumbs at the bottom. How do I achieve this behavior ? The breadcrumbs at the bottom stays at the bottom and nomatter if you're scrolling down, it is still there. http://developer.apple.com/iphone/library/navigation/index.html?section=Resource+Types&topic=Getting+Started Please someone help me with some good code. Because I have no clue.

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• Incorrect syntax near ''. Unclosed quotation mark after the character string ' '.

  - by Mattec

  I'm just wondering if someone could point me in the right direction here, I think i've been looking at it for too long so can't see the mistake. The following code: SqlCommand updateStyle = new SqlCommand("UPDATE [Lorenz].[dbo].[Layout] SET [bgColour] = '" + bgColour + "' , [textColour] = '" + txtColour + "WHERE <[LoweredUserName] ='" + currentUser + "' ", connection); updateStyle.ExecuteNonQuery(); Is giving the error: Incorrect syntax near 'admin'. Unclosed quotation mark after the character string ' '.

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• Are products like MSSQL Server and Oracle are "ORDBMS"?

  - by n10i

  According to wikipedia! http://en.wikipedia.org/wiki/ORDBMS IBM's DB2, Oracle database, and Microsoft SQL Server, make claims to support this technology and do so with varying degrees of success So, are these products true "ORDBMS" like PostgreSQL? or they are they are long way from it? can someone plz! point me to any link where i can read about the features still to be implemented by these RDBMS to become true ORDBMS!

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• Apache mod php and script invocation

  - by Abhi

  Say I am running a PHP script, foo.php, inside apache configured with mod php, then, say I invoke the script from my browser(or any other means), does apache spawn off a new process in which the script gets executed? How does it work? Can someone pls point me to some good article on this?

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• COM Interop between 32 bit and 64 bit applications

  - by rip

  I have a .NET windows forms application compiled as x84 – it needs to be compiled as x84 because it references 3rd party DLLs which are 32 bit. The application uses COM interop to automate Office applications and also AutoCAD. My question is: will my COM interop code work okay on a 64 bit operating system against the 64 bit versions of Office and AutoCAD? I’m going to try this out but I wondered whether someone knew of any problems?

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• Recording purchased products from in-app store for built-in products

  - by Joey

  I'm creating an in-app store for a few built-in features for my iphone app. Apple's documention recommends using the Application Preferences for storing this, but another question in this forum suggested using NSUserDefaults for another task for which Application Preferences was recommended (by Apple). Can someone clarify if, for in-app store purchases, using the NSUserDefaults is a much better way to go? Thanks.

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• Rails Controller Tests for Captcha using Shoulda, Factory Girl, Mocha

  - by Siva

  Can someone provide a strategy/code samples/pointers to test Captcha validations + Authlogic using Shoulda, Factory Girl and Mocha? For instance, my UsersController is something like: class UsersController < ApplicationController validates_captcha ... def create ... if captcha_validated? # code to deal with user attributes end ... end In this case, how do you mock/stub using Shoulda / Factory Girl / Mocha to test valid and invalid responses to the Captcha image? Appreciate your help, Siva

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• when should i use multiple controllers in mvc?

  - by ajsie

  are there times you might want to use multiple controllers in mvc? eg. /controllers/foo.php /controllers/bar.php or /controllers/foo/baz1.php /controllers/foo/baz2.php /controllers/bar/baz1.php /controllers/bar/baz2.php could someone give some examples WHEN i might want to do that and some example controller names. one occasion i thought about might be when you got a main site (for users) and a admin site (for customers). all feedbacks and suggestions are appreciated

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• query about xml parsing

  - by shishir.bobby

  hi all ,i just want to knw,is there any boundations in xml parsing with characters like can we parse a word containing some characters like "frühe" containing "ü" "böser" containing "ö" while i am parsing my xml,which is few different languages, some characters are like the above. and wen i saw in console, it get interpted,exaactly wen it reacher "ü" becoz at console it prints "fr" so can someone provide me some ideas about this thing regards shishir

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• Add file to Itunes com

  - by mazzzzz

  I saw the post (http://stackoverflow.com/questions/1585878/adding-song-to-itunes-with-c-sdk-api) about this, but following the link couldn't find any solid help.. Could someone point me in the right direction? Thanks, Max

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• Convert alphabet letters to number in python

  - by altin

  Can someone help me finish this characters = ['a''b''c''d''e''f''g''h''i''j''k''l''m''n''o''p''q''r''t''u''v''w''x''y''z'] numbers = ['1''2''3''4''5''6''7''8''9''10''11''12''13''14''15''16''17''18''19''20''21''22''23''24'] text = raw_input(' Write text: ') Ive tryed to many ways but couldnt get to the pint, I want to make exc if i type hello the output to be in numbers lined like in alphabet... example a = 1 < in alphabet Can anyone give ideas ? or help sth ?

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• PHP Read xlsx Excel 2007 file

  - by nk94555

  I am using oleread to read uploaded xls file. But I am not able to read xlsx files saved in excel-2007 format. can someone help me on how to read xlsx file in PHP.

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• Self logging modules without Moose

  - by stephenmm

  I have the same question as was asked here but unfortunately I cannot install Moose and I think the solution described there was particular to Moose. Can someone tell me how to the same in old school "use base" speak? To reiterate the question, I would like to have my base classes to have an automatic logging mechanism so if the user does not do anything I get some reasonable logging but if the user of my class needs/wants to overwrite it they can.

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• CSS position: relative and float: left

  - by Randy Mayer

  Hi, just a quick question: Could I apply position relative and float left on one element? Does someone use it? div { float: left; position: relative; top: 0px; left: 0px; (...) } Thanks!

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• Face Detection API for Objective-C

  - by Elomar Nascimento dos Santos

  Hello, everybody. Does someone here knows a face detection API for Objective-C? I just want to detect one or more faces inside a photo, so it's not necessary face recognition. I want to build something similar to the iPhoto's feature that puts a square on all faces in a photo. It would be nice if the API can be used on iPhone apps too. Regards.

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• Salt question - using a "random salt"

  - by barfoon

  Hey everyone, Further to my question here, I have another question regarding salts. When someone says "use a random salt" to pre/append to a password, does this mean: Creating a static a 1 time randomly generated string of characters, or Creating a string of characters that changes at random every time a password is created? If the salt is random for every user and stored along with the hashed password, how is the original salt ever retrieved back for verification? Thanks!

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• firefox extension and ie8 plugin compatibility

  - by Ke

  hi, im a bit new at extension development, but im about to embark upon a project to build a ffox extension. Does anyone know if its possbile, with minimal adaption, to make a firefox extension compatible with ie8 as a plugin and if so, are there any caveats i should be aware of? I guess its just javascript code wrapped around the ffox or ie8 wrapper, but would really appreciate to learn from someone who has experience. Cheers Ke

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• How to get Dom tree in GeckoFX

  - by martin.malek

  I started to play with GeckoFX. Unfortunately I didn't found any big documentation for that. I need to get DOM tree for the page. Iterate every element and get it's information. Can someone please help me?

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• OpenFileDialog directing to a file 2 directories back

  - by steve

  I'm having problems in visual basic programming. Currently I open a file using an open file dialog window and navigating to a file to open it. I want to be able to write a simple line saying ( and this is the best way I can describe it), Open this file "....\users.text". Please can someone help?

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• Drawing A Piano

  - by Jonathan M.

  Hello Everyone, I have started working on a software synthesizer (or keyboard). I have decided to use Java because of the available Jfugue API. I am trying to figure out how to go about creating the actual keys (notes) of the keyboard user interface, but I am stuck. I have tried to create an interface by dragging/dropping black and white rectangular buttons onto the panel, but that doesn't seem to work. Could someone point me into the right direction?

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