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• Why is it that I can include a header file in multiple cpp files that contains const int and not have a compiler error?

  - by tree

  Let's assume that I have files a.cpp b.cpp and file c.h. Both of the cpp files include the c.h file. The header file contains a bunch of const int definitions and when I compile them I get no errors and yet I can access those const as if they were global variables. So the question, why don't I get any compilation errors if I have multiple const definitions as well as these const int's having global-like scope?

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• How to design database tables (MySQL) for multiple users ?

  - by Hisyam

  i would like to know the best way to design database tables for multiple users, like any website that requires a user log in before they can start posting anything. Should my code create individual tables for every users or something different?

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• how to connect multiple tables and populate into a datagridview control ?

  - by MemoryLeak

  how to connect multiple tables and populate into a datagridview control ? What i can think is create a view, but if there any other better resolutions ?

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• sql UPDATE, a calculation is used multiple times, can it just be calculated once?

  - by Zachery Delafosse

  UPDATE `play` SET `counter1` = `counter1` + LEAST(`maxchange`, FLOOR(`x` / `y`) ), `counter2` = `counter2` - LEAST(`maxchange`, FLOOR(`x` / `y`) ), `x` = MOD(`x`, `y`) WHERE `x` `y` AND `maxchange` 0 As you can see, " LEAST(`maxchange`, FLOOR(`x` / `y`) ) " is used multiple times, but it should always have the same value. Is there a way to optimize this, to only calculate once? I'm coding this in PHP, for the record.

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• I need to do multiple file upload in my asp.net page also have to display progess bar with status of

  - by Ayyappan.Anbalagan

  I need to do multiple file upload in my asp.net page also have to display progess bar with status of file..It should display the all file progress status bar seperatly and total progess inseperate progess bar.up to the file finish the upoad cheers!!! thank a.ayyappan

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• how to attach multiple files as attachment in vb.net ?

  - by ahmed

  How do I attach multiple files as attachments in vb.net? I am trying to use a list box where user will select the file and attach which will appear in a listbox. And also I would like to give the option to delete the attachment also.

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• ASP.NET Possible to feed a single content placeholder from multiple places?

  - by Dr. Zim

  Is it possible to feed a single Master Page Content Placeholder from multiple areas in the child page? Something like a string builder?

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• How to run multiple instances of JBoss in a one single machine ?

  - by Purushotham

  Hi, I need to run multiple(more than 4) instances of JBoss server on a single machine. I am using JBoss 4.2.3 GA.

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• In pure C how can i pass multiple parameters into a function?

  - by fmsf

  Hey, How can i pass (and access) using C, not c++, multiple parameters into a function? void foo(char* mandatory_param, char* optional_param, char* optional_param2...) thanks /fmsf

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• How do I determine all of my IP addresses when I have multiple NICs?

  - by Wilson Fowlie

  I have multiple Network Interface Cards on my computer, each with its own IP address. When I use gethostbyname(gethostname()) from Python's (built-in) socket module, it will only return one of them. How do I get the others?

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• How do you use ant to unjar multiple JAR files and rebuild them into one JAR file?

  - by shelt536

  I would like to unjar multiple JAR files and then rebuild into one JAR using an ant build script. Is this possible?

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• What are the side effects of using multiple instances of a single id name in HTML?

  - by user278457

  Just curious to find out exactly what problems I'll cause myself if I include multiple elements in my web-page with the same id? for example: <div id='someID'>Some Content</div> <div id='someID'>Some Other Content</div>

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• [PHP] How to pass array as multiple parameters to function?

  - by vbklv

  I have a parameters array: $params[1] = 'param1'; $params[2] = 'param2'; $params[3] = 'param3'; ... $params[N] = 'paramN'; I have a caller to various functions: $method->$function( $params ); How can I parse the $params array, so multiple (and unlimited) parameters can be passed to any function: $method->$function( $param[1], $param[2], ..., $param[N] );

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• Use .net reactive in silverlight to generate multiple events.

  - by Mrt

  I have a method in a silverlight application. I want to start calling this method when an event occurs (mouse move), and continue to call this method every 1 second until a simple boolean condition changes. Is this possible ? I can't work out how to get the rx to generate multiple 'events' from the single event

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• Need a Java map/table with multiple keys to one value. Value is commonly altered

  - by Duncan

  What I need is a collection which allows multiple keys to access a single object. I need to apply frequent alterations to this object. It also must be efficient for 500k+ entries.

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• How can I pick multiple images from the built-in picker Intent?

  - by dguardi

  Is it possible to reuse the picker Intent to select multiple pictures instead of one? I haven't found a way and I'm trying to reproduce it with a grid view but my alignment is very poor and my performance is not quite as good as the picker. Intent photoPickerIntent = new Intent(Intent.ACTION_PICK); photoPickerIntent.setType("image/*"); startActivityForResult(photoPickerIntent, REQ_PICKER);

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• Can I load multiple libraries using google.load(...) ?

  - by Ravi Gupta

  On Google code playgorund, I tried to load multiple library like below google.load("jquery", "1"); google.load("mootools", "1.2.1"); But it breaks the code, why ? Thanks

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• Will running the same script multiple times with a rand() call return different values?

  - by aamir Fayyaz

  I have a script that calls the rand function: <?php echo rand(0, 9); ?> If I run this script multiple times, will I get different numbers out, or will it always be the same? In other words, does PHP seed rand automatically?

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• Javawebparts Ajaxparts: Using same Axis event multiple times in signle form.

  - by Bloodboiler

  I'm using Javawebparts Ajaxparts and would like to use one axis event multiple times in a form. Problem is that std:InnerHTML responseHandler takes its target html tag id in axis-config.xml so it seems impossible to reuse the definition when only thing that should change is the target tag id. Is there a way to set responseHandler parameters on the the page where it is used (in asix:event tag or someting)?

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• is there a proper way to handle multiple errors/exceptions?

  - by toPeerOrNotToPeer

  in OO programming, is there some conceptual pattern, ideas, about handling multiple errors? for example, i have a method that performs some checks and should return an error message for each error found ['name is too short', 'name contains invalid unicode sequences', 'name is too long'] now, should i use an array of exceptions (not thrown exceptions)? or something like this is better: class MyExceptionList extends Exception{ public Void addException(Exception e){} public Array getExceptions(){} } any theory behind this argument will be appreciated! (this isn't a request about a specific programming language, but a pure theoretical one) thank you in advance

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• How to pass multiple parameters to cron job with curl?

  - by Lost_in_code

  I'm running two cron jobs: This one executes without a problem: curl -sS http://example.com/cronjob.php?days=1 But this doesn't run at all: curl -sS http://example.com/cronjob.php?days=1&month=1 Is this because of the ampersand (&)? If yes, how to pass multiple parameters? Using argv is not an option.

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• I suspect I have multiple version of Python 2.6 installed on Mac OS X 10.6.3; how do I set which one

  - by cojadate

  When I enter in python in Terminal it loads up Python 2.6.2. However there are folders by the name of Python 2.6 in different places on my drive. I'm not sure if that's because Python 2.6 has been installed in different places or because Python just likes to have lots of folers in different places. If there are multiple installations, I could really do with being able to set which one should be used.

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• NHibernate: What are the options for fetching multiple entities in one query?

  - by George Mauer

  The NHibernate Book discusses very briefly queries that fetch several queries at the same time. They only show how to do this with the native CreateSQLQuery command. Are there any options for fetching multiple entities simultaneously using the criteria or hql APIs?

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• How to handle with multiple selection ListBox? asp.net c#

  - by Ayyappan.Anbalagan

  In my aspx registration page i have more then 6 item available in my list box, I am allowing multiple selection on it..I am not sure about how many items i will select each and every time. then how i have to store it into dataset and how to pass it as a mysql paramter...

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• How to use single instance of AVAudioPlayers for playing multiple songs?

  - by Ajeet Kumar Yadav

  I want to play multiple songs with single object of AVAudioplayer, I put songs List in scrollview, when user tap on list player view is open but when user go back for other song player play both songs simanteniosly . what I Can do to fix this?

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