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• How can I make the compiler create the default constructors in C++?

  - by Itay Moav

  Is there a way to make the compiler create the default constructors even if I provide an explicit constructor of my own? Sometimes I find them very useful, and find it a waste of time to write e.g. the copy constructor, especially for large classes.

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• javascript, add music to your web page

  - by shouq

  hey.. i'm working on my html and javascript project and i wanted to add music for the website.. i was wondering is there anyway i can put more than one song in the code to be played, if there is please write the code and is there anyway that the song will continue when openning the next page?? please help thanks alot

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• iPhone SDK development obj-C vs interface builder

  - by Amy

  I'm new to the iOS platform. I'm not clear on the purpose of the interface builder. It looks like I can avoid using it entirely and just write all the code in objective c. am I right? is there anything that IB can do but obj-c cannot? It reminds me of visual basic 6.

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• How do I use the conditional operator?

  - by Jeremy Rudd

  I've always wondered how to write the "A ? B : C" syntax in a C++ compatible language. I think it works something like: (Pseudo code) If A > B C = A Else C = B Will any veteran C++ programmer please help me out?

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• Example of moving from MySQL to NoSQL?

  - by OverTheRainbow

  Hello, For a Facebook-like site, ie. which is write-intensive and delivers user-customized pages, I'd like to build a prototype to investigate whether the document-centric NoSQL architecture would be a good alternative to sharding and reduce the load on the single master (+ multiple slaves) that we currently use and is the bottleneck. Does someone know of a good article that would give actual, simple examples of going from a relational layout in MySQL to a NoSQL layout? Thank you.

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• StringIndexOutOfBoundsException: String index out of range 0

  - by Evan F

  I'm trying to write a program to take the first letter of the user input to generate a username. I'm trying to write it so that if the user leaves the input blank, then the letter that would otherwise be taken to generate the username defaults to the letter 'z'. Here is my full code: import java.util.Scanner; /** UsernameGenerator.java Generates a username based on the users inputs. @author: Evan Fravert */ public class UsernameGenerator { /** * Generates a username based on the users inputs. *@param args command line argument */ public static void main(String[] args) { // abcde String first; String middle; String last; String password1; String password2; int randomNum; randomNum = (int) (Math.random() * 1000) + 100; Scanner userInput = new Scanner(System.in); System.out.println("Please enter your first name:"); first = userInput.nextLine(); String firstLower = first.toLowerCase(); System.out.println("Please enter your middle name:"); middle = userInput.nextLine(); String middleLower = middle.toLowerCase(); System.out.println("Please enter your last name:"); last = userInput.nextLine(); int lastEnd = last.length()-1; String lastLower = last.toLowerCase(); System.out.println("Please enter your password:"); password1 = userInput.nextLine(); System.out.println("Please enter your password again:"); password2 = userInput.nextLine(); char firstLetter = firstLower.charAt(0); char middleLetter = middleLower.charAt(0); char lastLetter = lastLower.charAt(0); char lastLast = lastLower.charAt(lastEnd); if first.length() == 0) { firstLetter = 'z'; } else { firstLetter = firstLower.charAt(0); } System.out.println("Your username is " + firstLetter + "" + middleLetter + "" + lastLetter + "" + "" + lastLast + "" + randomNum); System.out.println("Your password is " + password1); System.out.println("Welcome " + first + " " + middle + " " + last + "!"); } }

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• Oracle sql developer can acess from loalhost but not ip address

  - by Welcome Always

  Here i have installed widows server 2008 64 orale 11g r2 64 now i want to access this from the ip address that i have set to my server not working i can't access trough the ip address.... when i use on my application .....local host it can get connected but when i add the ip for example 10.0.0.2 it's not connecting now simply also on local when i write the ip address it's not connecting but with localhost works fine..... so even i have used listener. regards

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• executing shell script without calling sh implicitly

  - by ShoX

  Hi, I was wondering if it is possible to make a "link" in usr/bin (i.e.) that leads to a shell-script. But I want just to write % shellscript instead of % sh shellscript.sh kinda like an alias. Is this possible?

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• Store NSArray In Core Data Sample Code?

  - by Stunner

  Ey guys, I have been searching for some sample code on how to store an NSArray in Core Data for awhile now, but haven't had any luck. Would anyone mind pointing me to some tutorial or example, or better yet write a simple sample as an answer to this question? I have read this but it doesn't show an example of how to go about implementing a transformable attribute that is an NSArray. Thanks in advance!

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• Simulating interaction between two users in Jmeter

  - by Victoria

  I have to register two users and simulate interaction between them (for example, a conversation). I can do the following: register the first user, then register the second, sign in using first user's data, write message to the second user and sign out. Then sign in using the second user's data, answer to the message and sign out. Is it possible to implement users' conversation without signing out if the system requires enabled cookies for users?

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• Embed application compilation time stamp

  - by Chris Marisic

  Is there an easy way to configure in a build process to write in the time stamp of the build to be displayed in the application to have something like "This page was last updated: 06/26/2010"

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• how to use exceptions in this scenario?

  - by jess

  Hi, I have a method which handles a set of records.This method,return true\false after processing.So,if all the records are processed(doing some db updates),will return true.Now,suppose after processing 1 record,some exception is thrown,should I write result=false(at the end of method result is returned) in catch block? And,allow processing of other records to be done?

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• Is it possible to mix a named pipe with select in perl?

  - by Haiyuan Zhang

  I need to write a daemon that supposed to have one TCP socket and one named pipe. Usually if I need to implement a multi IO server with "pure" sockets, the select based multi-IO model is always the one I will choose. so does anyone of you have ever used named pipe in select or you can just tell me it is impossible. thanks in advance.

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• In node.js slow readable stream attached to a faster pushing message queue eats up memory

  - by Vishal

  In my node.js program I have a response stream attached to a message queue (zeromq) delivering data at a very high rate. Due to slow network connection the response stream and its underlying implementation is unable to consume data at that pace thus occupying a lot of memory. Do you have any suggestion to solve this problem. For reference please see the code snippet below: zmq.on("message", function(data) { res.write(data); // End response on some event });

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• Django filter by hour

  - by DJPy

  I've found that link: http://code.djangoproject.com/attachment/ticket/8424/time_filters.diff and changed my django 1.2 files by adding taht what you can see there. But now, when I'm trying to write Entry.objects.filter(pub_date__hour = x) - the result is following error: Field has invalid lookup: hour What should I do else, to make it work? (sorry for my english)

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• Where to begin with multi-threaded programming with c++?

  - by zoke

  I'm trying to implement my own IRC client as a personal proejct and I realized I needed a way to read and write from the socket at the same time. I realized I could have a reading thread which reads from the socket in the background and puts data in a queue and I could have another thread which writes data from a queue to the socket. However I have no idea on how to start with multithreaded programing or how to do it with c++. Where do I go from here?

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• Learn to use Unit testing and Nunit application

  - by Night Walker

  Hi All I need to start using unit tests in my code . The problem is that i never written unit tests . Can you please recommend me some good sites and book how to write correctly unit tests and to use nunit application . Thanks a lot for help.

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• How can I get the same strstream functionality now that's deprecated?

  - by chila

  I use to write code like this: void fun(char *buff, unsigned size) { std::strstream str(buff, size); str << "hello world: " << 5; } so I can use stream output over an arbitrary buffer. I've found this technique both efficient (no allocations) and useful (streams!). Now that std::strstream is deprecated, how can I get the same speed+flexibility that I can get with this code?

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• g++ -fsyntax-only unit test

  - by anon

  I'm trying to figure out if g++ -fsyntax-only does only syntax checking or if it expands templates too. Thus, I ask stack overflow for help: is there to write a program so that syntactically it's valid, but when template expansion is done, an error occurs? Thanks!

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• applescript for sqlite

  - by user1212108

  I have a Windows app called via Shell from MS Word that reads and writes to Sqlite. I'm porting it to Mac. On windows I have a batch file: SQLite3.exe pathtodb\databasename <sqlitecommands.txt This batch calls the Sqlite command line program, attachs the database, and reads the command from sqlitecommands.txt. The sqlitecommands is dynamically modified(by Word VBA) to read (Select) Write (Update) to/from the database. What is the format of an applescript to do the same thing in Mac OSX?

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• Pass parameters to Flash Main (Document) class

  - by loto

  In Flash CSn/AS3 you associate a Main class with a flash file which when loaded in the flash player "automatically creates an instance of the program's main class." I'd like to know how to pass arguments to the main class, since you don't write it yourself (you put its name in the Document textfield in the IDE).

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• Reading the text using regular expressions

  - by deep

  (Sales (Type 0 0 0 0 000 0 0 0 0) "Product" "ProductType" "" "0000" "0000") ;;ProductName 000 hai i just want to extract all values from the above text line using regular expressions. how to write regular expression for this. am using c#

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• need an sql query

  - by CKeven

  I currently have two tables: 1. car(plate_number, brand, cid) 2. borrow(StartDate, endDate, brand, id) I want to write a query to get all available brand and count of available cars for each brand

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• File Operations in Android NDK

  - by EnderX

  I am using the Android NDK to make an application primarily in C for performance reasons, but it appears that file operations such as fopen do not work correctly in Android. Whenever I try to use these functions, the application crashes. How do I create/write to a file with the Android NDK?

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• Getting the GUID for any given path to sharepoint.

  - by user327823

  Hey, I'm trying to get the GUID of a given sharepoint URL. I don't mind using the API or the webservices or Sharepoint's database. if i were to write a function, it's signature would be: //get a GUID from path. string GetGuidFromPath(string path){} I had a lead: SPContentMapProvider but it doesn't seem to get the right info. Thank you!

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