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• deleting dynamically allocated object that contains vector in C++ STL

  - by kobac

  I have a class class ChartLine{ protected: vector<Point> line; // points connecting the line CString name; //line name for legend CPen pen; //color, size and style properties of the line }; where Point is a structure struct Point{ CString x; double y; }; In main() I dynamically allocate objects of type ChartLine with new operator. If I use delete afterwards, will default destructor ~ChartLine() properly dealocate (or clear) member ChartLine::line(which is vector btw) or I would have to clear that vector in ~ChartLine() manually? Thanks in advance. Cheers.

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• Specifying a unique control name when adding at runtime (like the VS IDE)

  - by user316383

  hi, I have a basic IDE for a user control i am building. It allows me to add labels to a panel and move them around, like a very basic form designer. When I add the controls to the panel at runtime, I'd like to give the control a unique name string like how the VS IDE tracks the controls it already has and adds an extra number when it creates the default control name. I have tried checking the controls collection each time a new control is added, but wasnt sure if there was a good string comparison method to return a name with a unique number on the end that hasn't been used yet.

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• A strange issue... No code changes getting reflected.

  - by sachin

  I am using netbeans to develop an applet, i have a piece of code which looked like this: ipAddresss = DEFAULT_IP; System.out.println("portlet.services.hostname:" + ipAddresss); Now I changed it to something like this: ipAddresss = DEFAULT_IP; System.out.println("portlet.services.hostname using default IP Address:" + ipAddresss); But no matter what I do, it sill keep on printing: portlet.services.hostname:null I have tried deleting all .netbeans folder from documents and settings, tried creating new project, but now i am completely baffled by this issue... So, the problem is, no matter what I do, no change is getting reflected when I run the program. Can there be a java applet cache, netbeans cache, i am not sure why...

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• strange behavior while including a class in php

  - by user1864539

  I'm experiencing a strange behavior with PHP. Basically I want to require a class within a PHP script. I know it is straight forward and I did it before but when I do so, it change the behavior of my jquery (1.8.3) ajax response. I'm running a wamp setup and my PHP version is 5.4.6. Here is a sample as for my index.html head (omitting the jquery js include) <script> $(document).ready(function(){ $('#submit').click(function(){ var action = $('#form').attr('action'); var form_data = { fname: $('#fname').val(), lname: $('#lname').val(), phone: $('#phone').val(), email: $('#email').val(), is_ajax: 1 }; $.ajax({ type: $('#form').attr('method'), url: action, data: form_data, success: function(response){ switch(response){ case 'ok': var msg = 'data saved'; break; case 'ko': var msg = 'Oops something wrong happen'; break; default: var msg = 'misc:<br/>'+response; break; } $('#message').html(msg); } }); return false; }); }); </script> body <div id="message"></div> <form id="form" action="handler.php" method="post"> <p> <input type="text" name="fname" id="fname" placeholder="fname"> <input type="text" name="lname" id="lname" placeholder="lname"> </p> <p> <input type="text" name="phone" id="phone" placeholder="phone"> <input type="text" name="email" id="email" placeholder="email"> </p> <input type="submit" name="submit" value="submit" id="submit"> </form> And as for the handler.php file: <?php require('class/Container.php'); $filename = 'xml/memory.xml'; $is_ajax = $_REQUEST['is_ajax']; if(isset($is_ajax) && $is_ajax){ $fname = $_REQUEST['fname']; $lname = $_REQUEST['lname']; $phone = $_REQUEST['phone']; $email = $_REQUEST['email']; $obj = new Container; $obj->insertData('fname',$fname); $obj->insertData('lname',$lname); $obj->insertData('phone',$phone); $obj->insertData('email',$email); $tmp = $obj->give(); $result = $tmp['_obj']; /* Push data inside array */ $array = array(); foreach($result as $key => $value){ array_push($array,$key,$value); } $xml = simplexml_load_file($filename); // check if there is any data in if(count($xml->elements->data) == 0){ // if not, create the structure $xml->elements->addChild('data',''); } // proceed now that we do have the structure if(count($xml->elements->data) == 1){ foreach($result as $key => $value){ $xml->elements->data->addChild($key,$value); } $xml->saveXML($filename); echo 'ok'; }else{ echo 'ko'; } } ? The Container class: <?php class Container{ private $_obj; public function __construct(){ $this->_obj = array(); } public function addData($data = array()){ if(!empty($data)){ $oldData = $this->_obj; $data = array_merge($oldData,$data); $this->_obj = $data; } } public function removeData($key){ if(!empty($key)){ $oldData = $this->_obj; unset($oldData[$key]); $this->_obj = $oldData; } } public function outputData(){ return $this->_obj; } public function give(){ return get_object_vars($this); } public function insertData($key,$value){ $this->_obj[$key] = $value; } } ? The strange thing is that my result always fall under the default switch statement and the ajax response fit both present statement. I noticed then if I just paste the Container class on the top of the handler.php file, everything works properly but it kind of defeat what I try to achieve. I tried different way to include the Container class but it seem to be than the issue is specific to this current scenario. I'm still learning PHP and my guess is that I'm missing something really basic. I also search on stackoverflow regarding the issue I'm experiencing as well as PHP.net, without success. Regards,

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• Loop on enumeration values

  - by Rachel

  How awful is it - or is it perfectly acceptable - to index a loop on an enumeration? I have an enumeration defined. The values of the literals are default values. The assigned values do not have any significance, will not have any significance, and the values of any literals added in the future will also not have any significance. It's just defined to limit the allowed values and to make things easier to follow. Therefore the values will always start at 0 and increase by 1. Can I set up a loop like so: enum MyEnum { value1, value2, value3, maxValue } for(MyEnum i = value1; i < maxValue; i = static_cast<MyEnum>(i+1)){}

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• MVC: Structuring Feed Output

  - by Brian Wigginton

  The framework I'm using on my project follows the MVC Pattern. I"M building JSON feeds and need to structure them in a different way then what the system gives me by default from the ORM. Where should I be handling the task of mangling and shaping my data that I'll serve up, in the model, view or controller? Right now I'm doing it in my controller, then passing that data to the view. I can see this fitting better under the Model or the View but not sure which one.

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• Create Static Library iOS Error

  - by bit-whacker

  This is FIrst time i try to create Cocoa Touch Static Library and follow these steps. Create New Project with Cocoa Touch Static Library named it By default i got single class with Demo.h and Demo.m. 2.Create a public function in .h and implement it in .m. 3.Select iOS Device and press cmd + B. 4.Copy Demo.a from products and the .h file drop it in my iOS App where i want to use it. 5.Then Import Demo.h and try to call the function that i wrote. Issue When try to Run the project showing this error. ld: warning: ignoring file /Users/Zenga/Documents/iOS/Static Library/myAppwithLib/Demo.a, file was built for archive which is not the architecture being linked (i386): /Users/Zenga/Documents/iOS/Static Library/myAppwithLib/Demo.a Undefined symbols for architecture i386: "_OBJC_CLASS_$_Demo", referenced from: objc-class-ref in ViewController.o ld: symbol(s) not found for architecture i386 clang: error: linker command failed with exit code 1 (use -v to see invocation) Please help if anyone have any idea about it.

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• Unable to import example projects from book (newbie question)

  - by StayWett

  I am trying to import projects from a book "Beginning Android 2" but when I choose the root directory the "Finish" button is still grayed out. I've tried importing the project from scratch with no success, and I've also tried to create a template project with the same name and everything and then importing into that (Import existing projects into workspace) but it always says "No projects are found to import". The contents of the folder are: Res folder, src folder with .java file, the manifest, build, and default.properties files. I am new to android dev (obviously) so I appreciate the help.

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• Raising hard limit on RLIMIT_NOFILE system-wide on Linux

  - by jonswar

  We need to raise RLIMIT_NOFILE when running memcached, as we're hitting the default hard limit (1024). However, raising a hard limit requires root, and for various reasons we don't want to have to run memcached or its containing shell as root. Right now we happily run it as a non-root user. Is there a way to raise the hard limit for RLIMIT_NOFILE system-wide, so that we can continue to run memcached as non-root and simply raise the soft limit? This is RedHat Linux with 2.6 kernel. Thanks! Jon

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• SQL Server column level security

  - by user46372

  I think I need some pointers on security in SQL Server. I'm trying to restrict some of our end users from getting access to certain columns (i.e. SSN) on a table. I thought I could just use column level security to restrict access to the columns. That successfully prevented users from accessing the table directly, but I was surprised that they could still get to those columns through a view that accessed that table. I followed the tips here: http://www.mssqltips.com/sqlservertip/2124/filtering-sql-server-columns-using-column-level-permissions/ Those were very helpful, but when I created a view at the end, the intern was able to access that column by default I've read that views are the best way to accomplish this, but I really don't want to go through and change all of the views and the legacy front-end application. I would rather just restrict it once on the table and if a view tries to access that column it would just fail. Is that possible or am I misunderstanding how security works in SQL Server?

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• Sorting and displaying a custom QVariant type.

  - by Kranar

  Hello, I have a custom type I'd like to use with QVariant but I don't know how to get the QVariant to display in a table or have it sort in a QSortFilterProxyModel. I register the type with Q_DECLARE_METATYPE and wrote streaming operators registered via qRegisterMetaTypeStreamOperators but for whatever reason when I use the type with a table model, it doesn't display anything and it doesn't sort. I should specify that this custom type can not be modified. It has a copy and default constructor, but I can not go in and modify the source code to get it to work with QVariant. Is there a way of non-intrusively getting the behaviour I'd like?

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• can't make svn store password, even though the configuration is set to allow it

  - by davka

  did everything the book says, i.e. removed the authentication files from .subversion/auth, and explicitly set the relevant config parameters to 'yes' even though this is a default, and yet the shell svn commands ask for password each time. The repository is on cvsdude.com, the client is linux. I also use the subclipse plugin that caches the password ok. I vaguely remember that when I started working with it, the command asked interactively if I wanted to save clear password, and I said no. Can this choice be stored somewhere and take precedence over the configuration? Thanks!

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• postgres min function performance

  - by wutzebaer

  hi i need the lowest value for runnerId this query: SELECT "runnerId" FROM betlog WHERE "marketId" = '107416794' ; takes 80ms (1968 result rows) this SELECT min("runnerId") FROM betlog WHERE "marketId" = '107416794' ; takes 1600ms is there a faster way to find the minimum, or should i calc the min in my java programm? "Result (cost=100.88..100.89 rows=1 width=0)" " InitPlan 1 (returns $0)" " -> Limit (cost=0.00..100.88 rows=1 width=9)" " -> Index Scan using runneridindex on betlog (cost=0.00..410066.33 rows=4065 width=9)" " Index Cond: ("runnerId" IS NOT NULL)" " Filter: ("marketId" = 107416794::bigint)" CREATE INDEX marketidindex ON betlog USING btree ("marketId" COLLATE pg_catalog."default"); another idea SELECT "runnerId" FROM betlog WHERE "marketId" = '107416794' ORDER BY "runnerId" LIMIT 1 >1600ms SELECT "runnerId" FROM betlog WHERE "marketId" = '107416794' ORDER BY "runnerId" >>100ms how can a limit slow the query down?

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• How to change word recognition in vim spell?

  - by David

  I like that vim 7.0 supports spell checking via :set spell, and I like that it by default only checks comments and text strings in my C code. But I wanted to find a way to change the behavior so that vim will know that when I write words containing underscores, I don't want that word spell checked. The problem is that I often will refer to variable or function names in my comments, and so right now vim thinks that each piece of text that isn't a complete correct word is a spelling error. Eg. /* The variable proj_abc_ptr is used in function do_func_stuff' */ Most of the time, the pieces seperated by underscores are complete words, but other times they are abbreviations that I would prefer not to add to a word list. Is there any global way to tell vim to include _'s as part of the word when spell checking?

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• Tomcat custom 404 not shown

  - by Andrey

  Hello! In my web.xml I am using <error-page> <error-code>404</error-code> <location>/static/404.html</location> </error-page> but is doesn't work in Tomcat. It still shows the Tomcat's default 404 page. And no - that's not IE. I tried different browsers. /static/404.html opens if requested directly. Any ideas? Thanks in advance!

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• .htaccess for multiple application in Kohana V3

  - by khairil

  Hi I have setup multiple application in Kohana v3, it works normally without enabling .htaccess (to remove index.php or admin.php) my setup + system/ + modules/ + applications/ + public/ + bootstrap.php + ... + admin/ + bootstrap.php + ... + index.php (for 'public' application) + admin.php (for 'admin' application) so to access the frontend sample url will be; http://mydomain.com/index.php/(controller_name)/... and to access administration site; http://mydomain.com/admin.php/(controller_name)/... The task is, I want to remove and replace index.php (default url) and admin.php with /admin/ using .htaccess (mod_rewrite) so it can be http://mydomain.com/(controller_name) <- 'public' application http://mydomain.com/admin/(controller_name) <- 'admin' application my current .htaccess (not working) is; # Turn on URL rewriting RewriteEngine On # Installation directory RewriteBase /ko3/ # Protect hidden files from being viewed Order Deny,Allow Deny From All # Protect application and system files from being viewed RewriteRule ^(?:web-apps|modules|core)\b.* index.php/$0 [L] # Allow any files or directories that exist to be displayed directly RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d # TODO: rewrite admin URL to admin.php/URL #RewriteRule ^admin/(.*) admin.php/$0 [L] # Rewrite all other URLs to index.php/URL RewriteRule .* index.php/$0 [PT]

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• Are these Mozilla-specific CSS styles doing anything?

  - by DisgruntledGoat

  I'm working with some CSS (from a Joomla template) like this: div#logo { -moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: transparent url(../images/head.png) no-repeat scroll 0 0; ... } I've looked up some of those -moz- properties and they seem to be assigned their default values, and if I turn them off in Firebug nothing happens visibly. Would there be a reason to add them to a CSS file? Are they for an old version of Firefox perhaps?

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• Github + keep file but dont track changes

  - by Mike

  I have a codeigniter framework thats using github. Within this application I have several files that i will want to have in the repo but not track any changes on.. Example is: i deploy a new installation of this framework to a new client, i want the following files to be downloaded (they have default values 'CHANGEME') and i just have to make changes specific to this client IE(database credentials, email address info, custom css styling). // the production config files i want the files but they need to be updated to specific client needs application/config/production/config.php application/config/production/database.php application/config/production/tank_auth.php // index page, defines the environment (production|development) /index.php // all of the css/js cache (keep the folder but not the contents) /assets/cache/* // production user based styling (color, fonts etc) needs to be updated specific to client needs /assets/frontend/css/user/frontend-user.css currently if i run git clone [email protected]:user123/myRepo.git httpdocs and then i edit the files above, all is great.. until i release a hotfix or patch and run git pull. All of my changes are then overwritten.

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• Web Development In Java Using Netbeans

  - by GigaPr

  Hi I am trying to implement a web application(university project) in java using the following Frameworks Spring Dependency Injection Spring AOP (Logging and Transaction Management) Spring DAO JDBC or HIBERNATE Spring MVC Log4J I create a new Web Application in Netbeans and it gives me a bunch of Files and folders by default. Could anyone explain me what are the files ? Where shall i put the code for the data access layer and business Logic? Or where can i found a basic tutorial to get started(with data access layer, business layer and possibly code example)? Thanks

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• Creating a Drop-Down Menu with Javascript

  - by iceteea

  Question about logics here: What's the most elegant way to make the menu appear/disappear onmouseover/onmouseout? See the following JsBin: http://jsbin.com/owayeb/edit#source The Menu is hidden by default. If the user moves his cursor above the Link the showme() function gets called. When the user moves his cursor away the hideme() functions gets called. How would I get the Menu to persist while the user moves his mouse away from the Link to above the Menu? Or is this all the wrong school of thought?

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• Json.Net CustomSerialization

  - by BonyT

  I am serializing a collection of objects that contains a dictionary called dynamic properties. The default Json emitted looks like this: [{"dynamicProperties":{"WatchId":7771,"Issues":0,"WatchType":"x","Location":"Equinix Source","Name":"PI_5570_5580"}}, {"dynamicProperties":{"WatchId":7769,"Issues":0,"WatchType":"x","Location":"Equinix Source","Name":"PI_5570_5574"}}, {"dynamicProperties":{"WatchId":7767,"Issues":0,"WatchType":"x","Location":"Equinix Source","Name":"PI_5570_5572"}}, {"dynamicProperties":{"WatchId":7765,"Issues":0,"WatchType":"y","Location":"Equinix Source","Name":"highlight_SM"}}, {"dynamicProperties":{"WatchId":8432,"Issues":0,"WatchType":"y","Location":"Test Devices","Name":"Cisco1700PI"}}] I'd like to produce Json that looks like this: [{"WatchId":7771,"Issues":0,"WatchType":"x","Location":"Equinix Source","Name":"PI_5570_5580"}, {"WatchId":7769,"Issues":0,"WatchType":"x","Location":"Equinix Source","Name":"PI_5570_5574"}, {"WatchId":7767,"Issues":0,"WatchType":"x","Location":"Equinix Source","Name":"PI_5570_5572"}, {"WatchId":7765,"Issues":0,"WatchType":"y","Location":"Equinix Source","Name":"highlight_SM"}, {"WatchId":8432,"Issues":0,"WatchType":"y","Location":"Test Devices","Name":"Cisco1700PI"}] From reading the Json.Net documentation it looks like I could build a CustomContractResolver for my class, but I cannot find any details on how to go about this... Can anyone shed any light on the direction I should be looking in?

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• Creating Wiki Pages through code or CAML

  - by Joe Capka

  We are trying to create a site definition that includes a wiki page. Basically we are trying to figure out how to replicate the same process that happens when a user chooses to create a new page in a blank site, and the system says something along the lines of: "In order to create wiki pages on this site, there must be a default wiki page library and site assets library. Would you like to create those document libraries now?" When the user chooses yes, the system provisions those libraries as well as a few "howto" wiki pages. If anyone knows how to trigger that roll-out though code or CAML, we would appreciate the help.

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• ASP.NET MVC 2 model properties binding order

  - by bniwredyc

  Is there a way to change order in which the default binder binds property values of model? For example I have model class A: class A { public string A1 {get; set;} public string A2 {get; set;} } and action DoSomethig: public ActionResult DoSomething(A model) { ... } I want that A2 property has been bound before the A1 property. Is it possible? Or I need to write custom binder?

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• Float right is making background-color disappear in IE while hovering.

  - by janoChen

  Everything works OK in this language menu: http://alexchen.co.nr/beta (top right of the page). But I want the li elements to float to the right. But when I add float:right to #lang li a the background-color stop working while hovering when I hover them in IE7. #lang { float: right; padding: 50px 25px 0 0px; margin: 0 0 0 0px; width: 295px; } #lang li { font-size: 10px; width: 325px; /*ie hack */ } #lang li a { color: #FFF; padding: 5px 25px 5px 249px; line-height: 220%; } #lang li a:hover { color: #444; background-color: #FFF; } #lang li.current a { color: #444; background-color: #FFF; cursor: default; }

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• Run jsp in eclipse on specific port and ssl

  - by zealot452

  Hello, I have used Eclipse 3.4 to create a Dynamic Web Project. I have also configured my server to use port 8443 with ssl. If I start my server I can access my test.jsp by going to it's address https://localhost:8443/TestContext/test.jsp In eclipse, I have installed this server and added my project to the server. If I Run test.jsp it always launches as http://localhost:8080/TestContext/test.jsp My question is: How can I set up eclipse to run this on https://localhost:8443/ rather than the default 8080? Thanks in advance.

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