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• Online compilers/runtime for Java, C++, Python and ObjC?

  - by Nocturne

  Does anyone know of a good online compiler/runtime (for C++, Java, Python, ObjC etc.) that I can access on the web? What I'm looking for is something that would allow me to type in a program in a web form and to run the program and see the results online. (Let's not get into the why for now. Suffice it to say for the moment that I don't always have access to a compiler/runtime, and firing up an IDE is just overkill for testing out some code snippets) I know of codepad.org -- but I'm looking for something better.

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• ActionScript: Using 'in' on protected/private variables?

  - by David Wolever

  Is there any way to mimic the in operator, but testing for the existence of protected or private fields? For example, this: <mx:Script><![CDATA[ public var pub:Boolean = true; protected var prot:Boolean = true; private var priv:Boolean = true; ]]></mx:Script> <mx:creationComplete><![CDATA[ for each (var prop in ["pub", "prot", "priv", "bad"]) trace(prop + ":", prop in this); ]]></mx:creationComplete> Will trace: pub: true prot: false priv: false bad: false When I want to see: pub: true prot: true priv: true bad: false

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• PHP+MYSQL Server Config

  - by Matias

  Hi guys, I am parsing an XML file with PHP and inserting the rows in a MYSQL database. I am using PHP simplexml_load_files to load the XML and a foreach to loop through the array and insert the rows into my database. It works perfectly fine with small files i am testing, but it comes to reality I need to parse a large 500mb XML file and nothing happens. I was wondering what was the right Php.ini config for this case ? I have a VPS Linux Cent OS, with 256 mb of dedicated Memory and MYSQL 5.0.5. I have also set php memory_limit = 256M (maximum of my server) Any suggestions, similar experiences will be greatly appreciated Thanks

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• How does the WP7 Pivot control dynamically load pivot items?

  - by mztan

  IIRC, the Pivot control only loads a child PivotItem if it is the currently shown child. I would then guess that the previously seen child is also somehow unloaded, presumably still stored in memory, but hidden from the UI. What I'm wondering is, how does the Pivot control dynamically load/unload a child control, and can that behavior be imitated within a custom UserControl? As for unloading, is it as simple as collapsing the previous child's visibility, or is something trickier going on? That is to say, supposing I use my own UserControl like: <my:CustomUserControl> <TextBlock x:Name="_textBlock" Text="wait for it ..." /> </my:CustomUserControl> Normally, the child TextBlock is instantiated when the surrounding PhoneApplicationPage is instantiated, via InitializeComponent and all that. Is there any way to postpone this behavior and load the child programmatically?

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• What is the '@(' doing in this Perl code?

  - by Anthony Veckey

  In this code snippet: use strict; use warnings; use Data::Dumper; my $r = [qw(testing this thing)]; print Dumper($r); foreach my $row (@({$r}) { print "$row\n"; $row .= 'mod'; } print Dumper($r); print Dumper(@({$r}); I figured out that the '(' after the '@' in the foreach is causing this not to loop correctly. I have no idea why this code even works as there is no ending parenthesis. What is this doing? It looks to be creating a new variable on the fly, but shouldn't 'use strict' have fired or something? Please help explain what that '@(' is doing and why it still runs without an ending parenthesis.

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• what is a good way to do countif in python

  - by tolomea

  I want to count how many members of an iterable meet a given condition. I'd like to do it in a way that is clear and simple and preferably reasonably optimal. My current best ideas are: sum(meets_condition(x) for x in my_list) and len([x for x in my_list if meets_condition(x)]) The first one being iterator based is presumably faster for big lists. And it's the same form as you'd use for testing any and all. However it depends on the fact that int(True) == 1, which is somewhat ugly. The second one seems easier to read to me, but it is different from the any and all forms. Does anyone have any better suggestions? is there a library function somewhere that I am missing?

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• In XHR, is it possible to distinguish network errors from cross-origin errors?

  - by greim

  http://www.w3.org/TR/access-control/ Reading the CORS spec linked above, it seems to be the case that it's impossible to reliably distinguish between a generic "network error" and a cross-origin access denied error. From the spec: If there is a network error Apply the network error steps. Perform a resource sharing check. If it returns fail, apply the network error steps. http://www.w3.org/TR/access-control/#simple-cross-origin-request0 In my testing, I couldn't locate any features of Firefox's implementation that seem to indicate that the resource sharing check definitely failed. It just switches readyState to 4 and sets status to 0. Ultimately I'd like the ability to pass a success callback, a general fail callback, and an optional cross-origin fail callback, to my function. Thanks for any help or insight.

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• Cannot select elements with jquery after a html() load in Internet Explorer 8. Mozilla works fine...

  - by user641379

  I have the following code that runs in a display:none; divtab1 function ToggleTab(tab_id) { $('.divtab1').html('<div class="promo2">Testing</div>...more'); $('.promo2').css("border", "1px solid gray"); } html document: <a href="javascript:ToggleTab(1);">try</a> <div class="divtab"></div> It works fine in Mozilla but not in IE. The actual data come from an ajax request but nothing can be selected in IE! Thanks a lot

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• Aptana Studio is opening but not ever closing a python.exe process

  - by SC Ghost

  I am developing a small testing website using Django 1.2 in Aptana Studio build 2.0.4.1268158907. I have a Django project that I test by running the command "runserver 8001" on my project. This command runs the project on a small server that comes with Django. However the problem arises that every time I run this command Aptana opens two instances of the process "python.exe". Upon terminating the command only one of these instances is ended. The other process continues to run and use memory. My server is not online, and the process doesn't seem to do anything that I can find. This happens every time i run the runserver command on my project and therefore more and more python.exe instances will open up through my development period. Any help discovering either the purpose of this extra python.exe or a way to prevent it from opening would be much appreciated.

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• iDevice for Dummies: Can a device be assigned multiple provisions (Personal/Enterprise)?

  - by Alex

  Hi guys, Is it possible to assign multiple provisions to an iDevice? To be honest, I'm not sure if I'm using the correct terminology, but basically, I'm developing an iPad app for a company and I've only been testing it in the simulator because I don't have a registration to the developer program and they haven't setup their enterprise registration yet either. And I'm sure you all know how limited the simulator is... I don't really care about the $99 it costs to join, but what I'm worried about is having my iDevices locked permanently to my personal registration and unable to switch back and forth to the enterprise registration. I'd appreciate it if someone can explain to me how the registrations work. And keep in mind, I'm a dummy. :) Thanks in advance!

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• Laravel Passing variable not working

  - by Friend

  Hello People here is my code i have used in controller... public function bulk() { return View::make('bulk')->with('message','hii there'); } my route file contains... Route::get('bulk',array('uses'=>'HomeController@bulk'))->before('auth'); In my view Iam testing it by ... @if(Session::has('message')) Present @else not Present @endif The page is making a view with the message 'not Present' why is it?? I even tried return Redirect::to('bulk')->with('message','hii there'); I get an erro mesage on Console mypro/public/bulk net::ERR_TOO_MANY_REDIRECTS What could be the problem?? is there any issues with name?? I tried this method earlier which worked fine for me.... :( Iam using Blade Template..

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• Preventing a security breach

  - by Wiz

  I am creating a website where you "post", and the form content is saved in a MySql database, and upon loading the page, is retrieved, similar to facebook. I construct all the posts and insert raw html into a template. The thing is, as I was testing, I noticed that I could write javascript or other HTML into the form and submit it, and upon reloading, the html or JS would treated as source code, not a post. I figured that some simple encoding would do the trick, but using is not working. Is there an efficient way to prevent this type of security hole?

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• GTK+ (2.0) - signal "clicked" on GtkEntry?

  - by Lght

  i'm testing some signals with Gtk+ 2.0. Actually, i'm looking for a way to get the signal emitted when i click on a GtkEntry. if (widgets_info[i].action & IG_INPUT) { widget->frame[i] = gtk_entry_new_with_max_length(MAX_INPUT_LENGTH); gtk_entry_set_text(widget->frame[i], widgets_info[i].text); catch_signal(widget->frame[i], MY_SIGNAL, &change_entry, widget); } I have a pre-selected text in my entry (widgets_info[i].text) and i want this text to disappear if the user click on my GtkEntry. Does someone knows what is this signal ? Sincerely, Lght (sorry for my english)

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• Scrool Bar - Help

  - by 3gwebtrain

  Hi, any one can help in this?, i want to make a scroll bar to scroll the li underneath a div. in which i made a ui, scroller, but client want the front and back arrow to adjust the slides. like regular scroll bar like browser. please visit ; http://ikeafamilylive.com/stories/60 and you will witness what i request. And please don't recommend me a plug-in, because i need to use this scroll bar across the site with several customization process. please give me the sample code / suggestion to make a scroll bar using jquery+css. with full functionality.

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• Post values in PHP Headers

  - by kumar

  Hi.. I want send some data to a remote webpage from my site. Actually it can be achieved through form hidden variables. but for security reason, i want set as post variables in header and then send to that webpage. i use this code $post_data = 'var1=123&var2=456'; $content_length = strlen($post_data); header('POST http://localhost/testing/test.php HTTP/1.1'); header('Host: localhost'); header('Connection: close'); header('Content-type: application/x-www-form-urlencoded'); header('Content-length: ' . $content_length); header($post_data); but my code doesn't work properly. help me...

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• CodeIgniter - Returning multiple file upload details

  - by Chris

  Hey All, Im using the codeigniter upload library to upload multiple files, which works fine ... What im having problems with is returning the information about the files. Im using the following code to print the results for testing echo '<pre>'; print_r($this->upload->data()); echo '</pre>'; A cut down version of the results are as follows Array ( [file_name] => Array ( [0] => filename1.gif [1] => filename2.jpg ) ) The way my view is setup, is that i use jquery to insert multiple dynamic file input fields so the amount of files can be 1, it can be 50 and so on. Im wondering how i would loop through that array to send each filename to the database

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• Emulating Preference look/feel with LinearLayout

  - by colinodell

  I really like the look and feel of the Preference UI items and want to replicate that in my application. Basically I've got an Activity with a couple LinearLayouts set to be focusable. When they are focused, I want them to turn green (like Preferences do). Any idea how to apply that style to my LinearLayouts? Note: The LinearLayouts are essentially going to be clickable 'buttons' to launch a separate activity. They are NOT actual preferences or buttons, although they need to look/act similar to them.)

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• Hiding part of a page from Search Server 2010 Express

  - by Jonathan

  I'm working on a soon-to-be-public-facing site, and we want to have our search live on day 1, and want it to be searchable but non-public during testing, so we're planning to use something whose crawling we can control -- Search Server 2010 Express. However, if I search for something in my top navigation bar, I get nearly every page as a hit. It kinda makes sense, as every page has that content, but it's completely irrelevant on most pages. I want it to crawl through my navigation, but ignore the text within the navigation for search results. I was hoping that it'd just figure that out on it's own (the HTML for the top nav is static), but it's apparently not. Is there some standard thing I can put in my HTML that will achieve the effect I'm going for? On a side note: when I go live, will I have the same problem with public search engines, or do they tend to be smarter?

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• Spring MVC managing multiple views with single controller

  - by Sudhir

  I am trying to implement order management module. There are different order types (approximately about 15). Each order has a seperate view. But the actions performed on UI are same irrespective of order type. Below is the structure of my DTO abstract class Order abstract class SecurityOrder extends Order abstract class TermDepositOrder extends Order ..... ..... ..... I am trying to implement a single controller capable of managing all views. Something similar to the one below: @Controller public class OrderController<F extends Order> { public F validate(F order) { } public F insert(F order) { } } I am not sure how spring mvc would be able to map request parameters properly to the order instance as it doesn't know which order instance to populate. Is it possible to achieve this with single controller or should I go with a controller for each order type and duplicate same code across all controllers?

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• Jmeter Query new user

  - by Sri

  First of all apologies for the below question. Am from a Testing background for the past 8 years and very novice to Jmeter. I went through the Jmeter site, and ran a sample recording using the jmeter.apache.org site and it went fine. I want to test my knowledge and understanding. So, I did the following way. Created a thread group. Added a config element HTTP Default Requests with server name as mail.google.com. Added a Sampler as HTTP request, set the METHOD to POST and gave the username and password, and i ran the test. When i see the Results Viewer, i could see the login page of gmail, I need to know how to pass my username and password and simulate the clicking of Submit button and getting the next page. Please help, am very new and will really appreciate if it's explained as simple as possible.

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• drupal + i18n - how to send the currently selected locale to javascript?

  - by egarcia

  I've got a multi-lingual Drupal 6 installation. The multi-language is provided by the i18n module. I'm displaying some date pickers using jquery ui's datepicker. I'd like to localize those datepickers too (so when the page being shown is English, they show 'mon tue wed ...' but when the page is in Spanish they show 'lun mar mi ...'). My problem is: I don't know how to send the currently selected locale to javascript. The closest thing I could find was the javascript Drupal.locale object. However that object doesn't seem to have a 'locale name'.

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• The time-to-reach-queue has elapsed

  - by nieve

  I'm attempting to send a message to a remote private queue from an error queue with powershell. The code I use looks like this: $msg = $src_q.Peek() $msg.Label = GetLabelWithoutFailedQueue($msg) $msg.UseDeadLetterQueue = $true $msg.UseTracing = $true $msg.AcknowledgeType = [System.Messaging.AcknowledgeTypes]::NegativeReceive $msg.TimeToBeReceived = [System.TimeSpan]::FromSeconds(10) $msg.TimeToReachQueue = [System.TimeSpan]::FromSeconds(10) $tx = new-object System.Messaging.MessageQueueTransaction $tx.Begin() $dest_q.Send($msg, $tx) $tx.Commit() The message keeps on appearing on the transactional dead letter queue with the class: "The time-to-reach-queue has elapsed." Anyone's got any idea what could trigger such an error? The queue definitely exists- I do manage to peek it. Also, the reason I get the message from the error queue by peeking is just for testing purposes; I have tried doing the same thing with Receive and the result is the same.

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• How do I determine darker or lighter color variant of a given color?

  - by Nidonocu

  Given a source color of any hue by the system or user, I'd like a simple algorithm I can use to work out a lighter or darker variants of the selected color. Similar to effects used on Windows Live Messenger for styling the user interface. Language is C# with .net 3.5. Responding to comment: Color format is (Alpha)RGB. With values as bytes or floats. Marking answer: For the context of my use (a few simple UI effects), the answer I'm marking as accepted is actually the most simple for this context. However, I've given up votes to the more complex and accurate answers too. Anyone doing more advanced color operations and finding this thread in future should definitely check those out. Thanks SO. :)

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• Scroll Bar - Help

  - by 3gwebtrain

  Hi, any one can help in this?, i want to make a scroll bar to scroll the li underneath a div. in which i made a ui, scroller, but client want the front and back arrow to adjust the slides. like regular scroll bar like browser. please visit ; http://ikeafamilylive.com/stories/60 and you will witness what i request. And please don't recommend me a plug-in, because i need to use this scroll bar across the site with several customization process. please give me the sample code / suggestion to make a scroll bar using jquery+css. with full functionality.

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• GWT HTMLTable colaspan feature

  - by Sanjay

  Hello all I am using HTMLTable of import com.google.gwt.user.client.ui.HTMLTable I instantiated it like below: HTMLTable table = new Grid(rows, col); Number of rows and columns are decided by the user input. Now I want to used colspan for the specific rows of the table. One way to this is apply css to the that specific row.But problem with this is that Number of column to span are decided by the user input, i.e It may vary every time. So by using css it is something like making it static. So I want to know the way through which I can do colspan on the rows of the table. and Number of column to span is different every time. Thanks in advance

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