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• Help me understand this Strange C++ code

  - by java lava

  Hi! This was a question in our old C++ exam. This code is driving me crazy, could anyone explain what it does and - especially - why? int arr[3]={10,20,30}; int *arrp = new int; (*(arr+1)+=3)+=5; (arrp=&arr[0])++; std::cout<<*arrp;

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• Can Prototype or JQuery return an HTTP status code on an AJAX request

  - by jotto

  url = "http://example.com" new Ajax.Request(url, { onComplete: function(transport) { alert(transport.status); } }); I'd like that to return a status of 200 if the site is working, or 500 if it is not working, etc.. But that code is returning 0 all the time. Ultimately, I want to have a setinterval function that regularly pings a website for uptime status.

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• Html Entity code for ž

  - by Castor

  What is the HTML entity code for ž? I am looking for something similar to &raquo; instead of something like &#x17E;.

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• In what cases legacy Java code would not compile on newer versions

  - by Bozho

  Java is striving to be backward compatible. (It is to such an extent that it crippled its generics for that). But are there situations when old code would not compile on newer versions (more importantly Java 5, and the forthcoming Java 7)

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• Trying to display field heading only when field is not emply

  - by Anees

  hi, here is my code. <?php if(!empty($rows_Recordset1['domicile'])) { echo "Domicile"; } else { echo ""; } ?> domicile is field in record set. the problem is that Domicile heading is not showing where I want it to print. Its showing nothing.

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• How to put MySQL code into source control?

  - by Jader Dias

  I know I can copy all my MySQL code manually to files and then put those files into source control. But is there any way to do this automatically?

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• comment code in netbeans?

  - by ajsie

  a while ago i could comment any code in php with netbeans like this: /* * * */ I just typed /* ENTER and netbeans gave me that lines above. then when i typed @ it gave me a full list of all available tags (author, param and so on). i reinstalled my mac and since then it hasnt worked. someone knows why and how i can activate it? i installed the netbeans for php only.

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• How do call this symbolic code transformation ?

  - by erric

  Hi, I often cross this kind of code transformation (or even mathematical transformation) (python example, but applies to any language) I've go a function def f(x): return x I use it into another one. def g(x): return f(x)*f(x) print g(2) leads to 4 But I want to remove the functional dependency, and I change the function g into def g(f): return f*f print g( f(2) ) leads to 4 too How do you call this kind of transformation, locally turning a function into a scalar ?

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• Understanding of a C Code Required..

  - by RBA

  int Size(struct node* node) { if(node == NULL) { return 0; } else if(node != NULL) { return (Size(node->left) + 1 + Size(node->right)); } } Hi, Can Anybody please post the stack trace for the following piece of code. Lets say if we insert the values 2, 1, 10, 5... Then what could be the stack representation during the recursion process.. Please, its very urgent, and its very confusing too...

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• Taking over someone else's code

  - by tom d

  I am taking over someone elses code. What are some good ways to learn what that programmer did as quickly as possible? I have been running it, stepping through it and looking at the callstack. What else can I do? Sorry I forgot to mention, but there is little documentation and I have been trying to fix simple problems. Thanks!

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• Code Promotion with Git

  - by draxter

  Hi, I'm trying to figure how can I use git for multiple environments (dev-test-prod) with code promotion. I read a bit about branching but didn't understand much how can this solve my problem since I must have the ability to run all of the environments concurrently and separately from each other. Will be very thankful for some kind of how-to.

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• Need a tool to detect memory leaks in C code

  - by sbsp

  Hi guys, Is there a good application (that has some kind of gui) for testing memory leaks in c code. I would really like to test my assignment/programme but being very new to this, i struggle with using the terminal to do things, especially using gdb for debugging (to me it feels like a blast from the past, where i could be using some visual debugger). Thanks for the help edit: platform doesn't matter - i am running everything ;)

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• Is writing a portable code important?

  - by Knowing me knowing you

  Is writing a portable code important? Or it just one of this slogans which are never applied in real world?

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• php feed parsing - What's wrong with this code?

  - by Steven

  this code was working, but now it doesn't! Can anyone help? $rss = simplexml_load_file("http://search.twitter.com/search.atom?lang=en&q=charlton&rpp=100&page=1"); foreach($rss-entry as $item){ $title = $item-title; print "$title"; }

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• Code is not running on .click of hyperlink

  - by coffeeaddict

  Code is not running on .click when I have this: $(".cancel").click(function() { alert("got here"); $(this).closest(":dialog").dialog("close"); }); <a class="cancel" href=""><img src="images/cancelButton.gif" border="0" /></a> It's got to be something stupid, but I cannot see it.

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• what is the output of this code?

  - by user329820

  Hi,I have wriiten a part of code for you and I want to know the output ,I need your help because there is not any body for helping me also I think that the out put is A ,is this correct? thanks. declare @v1 varchar(20),@v2 varchar(20) select @v1 = 'NULL' if @v1 is null and @v2 is null select 'A' else select 'B'

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• How does this mod_rewrite code resolve properly?

  - by user532493

  My .htaccess file is as follows: Options -Multiviews RewriteEngine On RewriteCond %{HTTP_HOST} ^example.com RewriteRule ^(.*)$ http://www.example.com/$1 [R=301,L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ $1.php It works, but I'm wondering how it works. For example, if I type in example.com/main, I get the file at www.example.com/main.php. How do I get the .php extension if the code tells the rewriting to stop after adding the www. to the beginning of example.com?

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• Drupal theme code to work out if you are editing a node

  - by Linda

  Does anyone know the php code to check if you are in edit mode? I want to edit how my theme looks when in edit mode so need to work out if I am or not.

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• Example of application to design with fingers (source code)

  - by STD

  Hi, i'm new user about this interesting forum! I want start develop application for android and before starting i want learn about some android feature... the first android feature is how to correlate finger motion in screen with java... Exist some source code that show how to realize application to draw with finger in android screen? can you suggest me where donwload it? thanks

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• Is external JavaScript source available to scripting context inside HTML page?

  - by John K

  When an external JavaScript file is referenced, <script type="text/javascript" src="js/jquery-1.4.4.min.js"></script> is the JavaScript source (lines of code before interpretation) available from the DOM or window context in the current HTML page? I mean by using only standard JavaScript without any installed components or tools. I know tools like Firebug trace into external source but it's installed on the platform and likely has special ability outside the context of the browser sandbox.

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• Open source C# code to present wave form?

  - by user126015

  Hi all, I just wanted to make a quick check,does any of you know of an open source c# code to present wave form (graphically) from a byte array? Thank you!

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• How do I get the trackbar value?

  - by Ruth

  I feel a little silly asking this, seems pretty simple but I can't find the solution anywhere. I have a trackbar made in visual studio 2008 and I want to use it to adjust an image threshold but I can't find the code to retrieve the sliders/markers position. Any help would be much appreciated and I am using C++

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• Set language code inside a view in django

  - by origon

  Im wonder how to set the language code inside a view (in django). Im sending a HttpResponse that contains a python-date.strftime("%A") %A = The day (ex: Monday). But I want to get the day in swedish instead of english.

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• how to download page from source code

  - by newBie

  i need to download page from source code..for example Cellini's Italian Restaurant i want to download the "/len/aaproximat...php"..i didnt find the suitable regex for it..and i need to download that page..can anyone help? im using vb.net

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• Safe vs Unsafe code

  - by Lumpy

  Read this question today about safe and unsafe code I then read about it in MSDN but I still don't understand it. Why would you want to use pointers in C#? Is this purely for speed?

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