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• linux, LD_PRELOAD error

  - by user286215

  Hello, i am new in programming under linux and trying to get working this code: http://scaryreasoner.wordpress.com/2007/11/17/using-ld_preload-libraries-and-glibc-backtrace-function-for-debugging/ but getting error: "ERROR: ld.so: object 'libwrap_ioctl.so' from LD_PRELOAD cannot be preloaded: ignored." what can cause it? system - Archlinux, kernel 2.6.32 thank you for answers upd1: "Check with ldd libwrap_ioctl.so if some dependency of this library is missing." checked. no, i have all needed libraries

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• unique selling points: php, flash, rails

  - by pwebdev

  on reflecting how to talk with prospect customers on technologies for web applications, what are important requirements for chosing a specific technology? I am biased towards ruby on rails, but the code base and community of PHP is larger, while the user experience of flash sites is often an advantage to the segment of higher paying customers. how would you argue for or against the usage of a technology in general? for ruby on rails in particular?

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• add a custom view/windows in the mac os X dock

  - by AP

  Hello, I would like to add a custom view (a pager) in the dock, just before the trash and was wondering on how to perform a such task. Do you have any pointer to help me to start? Thanks in advance for your help :) regards,

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• How do I select all read-only files with msbuild?

  - by Scott Langham

  Hi, I'm trying to write an MsBuild script to zip some files up. I need to select all of the read-only files recursively from a folder into an ItemGroup to add to the zip. Is there anything around to do this out of the box, or do I need to write a custom task? Thanks for you help.

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• what is REPL and how/when comes into play?

  - by microspino

  Reading a post about redis I saw this word: REPL. Can someone tell me what It is and how It comes into play during programming maybe adding some simple practical example or scenario?

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• Revision, Quadratic Time

  - by stan

  I am not sure if you can post revision programming questions in here but i am stuck with some algorithms revision If an algorithm is quadratic it takes time proportional to the number of n^2 ? So if the slides say its almost 1/2 the square of n records is this the same as saying (n^2 * 0.5) Thanks

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• Overriding Built-in Classes (Python)

  - by Yipeng

  How can I view and override the full definition for built in classes? I have seen the library docs but am looking for something more. For e.g. is it possible to override the Array Class such that the base index starts from 1 instead of 0, or to override .sort() of list to a sorting algorithm of my own liking?

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• what is the difference between MVC1 and MVC2

  - by Alaa

  I am using MVC design pattern in jsp-servlet web application, and want to what is the exact difference between MVC1 and MVC2 , can someone help? EDIT newly I hear that there is 2 versions of using MVC in servlet programming, I hear that in MVC1 there is kind of coupling between controller and view , but in MVC2 they overtake it, if someone know whether this is right or wrong I'll be very thankful.

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• Start and run a class member function in background, in QT/C++

  - by Regof

  Once a minute I want to run a task, not blocking other GUI functions. I heared somthing about QConcurent::run ... Or should I use signals and slots?

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• change sprite image cocos2d when collision between sprite and player occures.

  - by iPhone Fun

  hi friends, I want to change the sprite image while my application is running. I've taken 5 different sprite objects with different images. but when I use [self removeChild:Name of sprite cleanup:YES]; It is not removing the sprite. So is there any other way to perform such task?? Any help?? Thanks in advance.

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• Is there a place where I see the popular opinion of developers?

  - by User1

  I really want to know popular opinion on controversial programming topics. Questions like: Why do some people prefer vi over emacs (or vice versa)? Is Java faster than C++? Is Intel faster than AMD? It seems SO discourages such conversions because of potential flamewars. So where do people go to discuss such matters? I'm especially interested in venues where people can "up vote" good comments and good questions.

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• Implementing Barrier system solution in C or C++

  - by hardikpatel172

  Actually I have been assigned to implement Barrier system solution in either C or C++ programming language... But I have zero knowledge about it ... I know the problem as well as solution theoritically.. But I have no idea how to implement it.... How can it be possible in C++ to stop or run or wait any process.... Plz yaar... Anyone help me... It's urgent...

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• .net Studio Server-Explorer crash

  - by testerwpf

  Im programming a small databased application. It worked fine, but now when i want to add a new table, the Server - Explorer freezes and my .net Studio too. If i try to make a new app with database, - wpf application with .net studio, -ADD Local Database - then try to add Table, my Database1.sdf disconnects and again freeze! I am using Windows7 professional.

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• need help while working on a website

  - by EqEdi

  I'm working for a website where i need to sum functionality related to sales I'm very new to the website stuff and found many things on net but don't knew what to follow. Can anybody suggest me some good tutorials which i can follow to create my website The things which i am going to work on as: saving customer information to data base using saved customer information, placing order generating bills and invoices and downloading it in pdf file format sending mails to customer with those invoice as attachments

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• Which methods are good to overwrite when creating custom NSManagedObject subclasses?

  - by mystify

  The Core Data Programming Guide talks a lot about what not to overwrite. So the question is: What is good to overwrite? Like I see it, I can't overwrite -init or -initWithEntity:insertIntoManagedObjectContext: So where else would be a good overwrite point to set up some basic stuff? Or is it generally not needed to do custom initialization? Does the whole thing rely only on accessing properties which then start to do fancy things? So no custom initializations?

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• Define global textbox (or other control) width in WPF

  - by John B

  I'd like to be able to maintain the width of controls globally throughout my WPF application. Previously in winforms world I'd override onload in a base form and iterate through all controls and containers and determine the type of controls and set the dimensions accordingly. I guess I could do the same in WPF but is there any better way to do this?

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• c++ opengl: how can i combine 2 different projection types for 3d graphics and 2d menus ?

  - by ufk

  Hi! I would like to use Oblique projection for menus and perspective projection for the 3d-scene. is there a way to combine between this two projections ? In general I'm asking how can I create menus in opengl for my 3d scene. Programming using the c++ language. Thanks!

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• Understanding Scope on Scala's For Loops (For Comprehension)

  - by T. Stone

  In Chapter 3 of Programming Scala, the author gives two examples of for loops / for comprehensions, but switches between using ()'s and {}'s. Why is this the case, as these inherently look like they're doing the same thing? Is there a reason breed <- dogBreeds is on the 2nd line in example #2? // #1 ()'s for (breed <- dogBreeds if breed.contains("Terrier"); if !breed.startsWith("Yorkshire") ) println(breed) // #2 {}'s for { breed <- dogBreeds upcasedBreed = breed.toUpperCase() } println(upcasedBreed)

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• How can I open, edit and save a word document with asp.net

  - by Shahrooz

  Dear Friends I want to get a word document from data base by ASP.Net and show it on Internet Explorer, then I want to edit some text and replace this document with the original one, exactly same as Sharepoint. I couldn't find any tutorial or example for this situation. could you please help me? Shahrooz

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• "Share this on..." URLs

  - by Andrea

  I have to create a bunch of these "Share this on" Technorati, Digg, Facebook, Reddit, del.icio.us, StumbleUpon, MySpace and so on. It is very easy to find online icons for this task, but it is a little more difficult to find what URLs I should link. Is there any updated list of all these services? Of course I could copy them from other sites having this, but I am not sure they are updated, and moreover maybe there is some GET parameter I want to set differently.

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• update in the php

  - by DAFFODIL

  I wrote a code to insert data .When ,i enter the value in the form and click submit ,the data is getting into database. Now,i should make all those data to edit from from end and,if i click update button,it should be updated in database. Give a snippet for performing this task.

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• Is there an Javascript event for when a the page is pushed into the background?

  - by Georg

  I remember having used such an event, but I can't remember the name. The specific task I'm trying to accomplish is to stop my slideshow when the browser window isn't in the foreground. I'm fading the different images with jQuery, which uses quite some CPU power. Is there an event that tells me, when the user switches to another application / page.

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• VIM plugin for updating C++ function definition

  - by Sunny

  I'm looking for a VIM plugin that can do these kind of thing. Let's say I have a function in a .cpp file void myFunction(int arg1, int arg2, int arg3){ //code } The function definition is defined in the .h file. So every time I change the function name or add a new argument to the function, I have to go back the the .h file to do the same. Is there a VIM plugin that can automate this task?

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• Dropdown with image and text together in Asp.net 3.5 and jquery

  - by fzshah76

  I've been given a task to make a dynamic drop down which takes it's data[image and value id] from table. I am wondering if any of you came across this scenario or if any one can help me out in this I need help in concept and coding. Definitely any help is appreciated. I see the example in jquery here is the link: http://www.marghoobsuleman.com/jquery-image-dropdown something like this but data is coming from table.

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• Looking for trustworthy JPEG batch converter/resizer

  - by Simon_Weaver

  I have a batch of PNG files that I need to convert to JPEG. I'm looking for a free trustworthy utility that will give me the most optimal possible JPEGs. I've found some paid utilities and i HAVE Photoshop, but I want something dedicated that is made for the task and I dont want to accidentally download spy ware. I'm really surprised not to find this question already on StackOverflow, but please point me in the direction of any similar questions if they exist.

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