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Articles indexed Thursday June 10 2010

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  • Generating unobtrusive JS

    - by nico
    I have read quite a bit about unobtrusive JS and how to generate it and all that jazz... My problem is this: I have a website that heavily relies on mod_rewrite, so essentially all the pages requests are sent to index.php that generates the main structure of the page and then includes the appropriate page. Now, there are different sections in the site and each section uses different Javascript functions (e.g. for different AJAX requests). Now, if I just were to attach a function to the onload of the page obviously the thing would not work, as I do not have to initialise the same things for each page... so what is the best way to handle this situation? I hope the situation is clear, I'll be happy to clarify if needed

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  • groovy connect to proxy then download files

    - by senzacionale
    i want to grab the grapes but i am behind proxy so i can not download anything. How can i connect to proxy before downloading? import groovy.text.SimpleTemplateEngine import java.security.MessageDigest import org.apache.commons.cli.OptionBuilder import org.apache.commons.cli.Options import org.apache.commons.cli.PosixParser import org.apache.commons.io.FileUtils import org.apache.ivy.core.settings.IvySettings import org.apache.ivy.plugins.parser.m2.PomModuleDescriptorParser import org.apache.tools.ant.Project import org.apache.tools.ant.ProjectHelper import org.apache.tools.ant.types.Path import org.apache.commons.cli.HelpFormatter //First grab the grapes we need for the script and create a few beans to hold some values @Grab(group = 'org.apache.ant', module = 'ant', version = '1.7.1') @Grab(group = 'commons-io', module = 'commons-io', version = '1.4') @Grab(group = 'commons-cli', module = 'commons-cli', version = '1.2') @Grab(group = 'org.apache.ivy', module = 'ivy', version = '2.1.0')

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  • Silverlight Custom Control Create Custom Event

    - by PlayKid
    Hi There, How do I create an event that handled a click event of one of my other control from my custom control? Here is the setup of what I've got: a textbox and a button (Custom Control) a silverlight application (uses that above custom control) I would like to expose the click event of the button from the custom control on the main application, how do I do that? Thanks

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  • Functional languages targeting the LLVM

    - by Matthew
    Are there any languages that target the LLVM that: Are statically typed Use type inference Are functional (i.e. lambda expressions, closures, list primitives, list comprehensions, etc.) Have first class object-oriented features (inheritance, polymorphism, mixins, etc.) Have a sophisticated type system (generics, covariance and contravariance, etc.) Scala is all of these, but only targets the JVM. F# (and to some extent C#) is most if not all of these, but only targets .NET. What similar language targets the LLVM?

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  • SSRS doesn't honor the CanGrow Property when Exporting to Excel

    - by user181857
    I have a Table in an SSRS report. one of the Table Cells contains the Descriptions of Parts in an order. these descriptions could vary in length and for that reson i have set the "CanGrow" Property to True. when i try to export the report to Excel im expecting that if the text length would exceed the width of the Cell then the height of the cell would grow and the whole text would be shown. Unfortunately the SSRS Excel Generator keeps the height as is and so only the part of the text which fits the width of the cell would be shown. i would appreciate any help or input to solve this problem. Thanks

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  • Lots of pointer casts in QGraphicsView framework and performance

    - by kleimola
    Since most of the convenience functions of QGraphicsScene and QGraphicsItem (such as items(), collidingItems(), childItems() etc.) return a QList you're forced to do lots of qgraphicsitem_cast or static_cast and QGraphicsItem::Type() checks to get hold of the actual items when you have lots of different type of items in the scene. I thought doing lots of subclass casts were not a desirable coding style, but I guess in this case there are no other viable way, or is there? QList<QGraphicsItem *> itemsHit = someItem->collidingItems(Qt::IntersectsItemShape); foreach (QGraphicsItem *item, itemsHit) { if (item->type() == QGraphicsEllipseItem::type()) { QGraphicsEllipseItem *ellipse = qgraphicsitem_cast<QGraphicsEllipseItem *>(item); // do something } else if (item->type() == MyItemSubclass::type()) { MyItemSubClass *myItem = qgraphicsitem_cast<MyItemSubClass *>(item); // do something } // etc } The above qgraphicsitem_cast could be replaced by static_cast since correct type is already verified. When doing lots of these all the time (very dynamic scene), will the numerous casting affect performance beyond the normal if-else evaluation?

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  • android call an outside function from a thread

    - by junmats
    hi.. say for example I have this code in my activity: public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Thread cThread = new Thread(new Runner()); cThread.start(); } private NotifyMe(){ //do something here } and this is my Runner class: public class TCPClient implements Runnable { public void run(){ //call NotifyMe() [THIS IS MY QUESTION] } } I have a thread on my activity that runs the Runner Class. Once the thread start, I would like to call the NotifyMe() function that is located at the activity. Is this possible? Please let me know if you don't understand my question. Thanks in advance.

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  • What is the best resource or method for learning more about servers and networking?

    - by kaleidomedallion
    I can get around a server to some degree, but everything I have learned has been as I have needed to learn it. Every once in a while I will learn about some new command that will revolutionize how I think about systems and networking, and realize how I could have been using it this whole time if only I had known about it. Anything to bring someone from novice to some kind of fluency? Do I just need to earn the battle scars bit by bit over the course of years? (I mean of course I do but what can I do to help it be not quite so painful?) For instance, I am still fuzzy on all of networking. Any help would be greatly appreciated.

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  • Bloated PDF created by TCPDF

    - by Yogi Yang 007
    In a web app developed in PHP we are generating Quotations and Invoices (which are very simple and of single page) using TCPDF lib. The lib is working just great but it seems to generate very large PDF files. For example in our case it is generating PDF files as large as 4 MB (+/- a few KB). How to reduce this bloating of PDF files generated by TCPDF? Here is code snippet that I am using ob_start(); include('quote_view_bag_pdf.php'); //This file is valid HTML file with PHP code to insert data from DB $quote = ob_get_contents(); //Capture the content of 'quote_view_bag_pdf.php' file and store in variable ob_end_clean(); //Code to generate PDF file for this Quote //This line is to fix a few errors in tcpdf $k_path_url=''; require_once('tcpdf/config/lang/eng.php'); require_once('tcpdf/tcpdf.php'); // create new PDF document $pdf = new TCPDF(); // remove default header/footer $pdf->setPrintHeader(false); $pdf->setPrintFooter(false); // add a page $pdf->AddPage(); // print html formated text $pdf->writeHtml($quote, true, 0, true, 0); //Insert Variables contents here. //Build Out File Name $pdf_out_file = "pdf/Quote_".$_POST['quote_id']."_.pdf"; //Close and output PDF document $pdf->Output($pdf_out_file, 'F'); $pdf->Output($pdf_out_file, 'I'); /////////////// enter code here Hope this code fragment will give some idea?

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  • boost::asio buffer impossible to convert parameter from char to const mutable_buffer&

    - by Ekyo777
    visual studio tells me "error C2664: 'boost::asio::mutable_buffer::mutable_buffer(const boost::asio::mutable_buffer&)': impossible to convert parameter 1 from 'char' to 'const boost::asio::mutable_buffer&' at line 163 of consuming_buffers.hpp" I am unsure of why this happen nor how to solve it(otherwise I wouldn't ask this ^^') but I think it could be related to those functions.. even tough I tried them in another project and everything worked fine... but I can hardly find what's different so... here comes code that could be relevant, if anything useful seems to be missing I'll be glad to send it. packets are all instances of this class. class CPacketBase { protected: const unsigned short _packet_type; const size_t _size; char* _data; public: CPacketBase(unsigned short packet_type, size_t size); ~CPacketBase(); size_t get_size(); const unsigned short& get_type(); virtual char* get(); virtual void set(char*); }; this sends a given packet template <typename Handler> void async_write(CPacketBase* packet, Handler handler) { std::string outbuf; outbuf.resize(packet->get_size()); outbuf = packet->get(); boost::asio::async_write( _socket , boost::asio::buffer(outbuf, packet->get_size()) , handler); } this enable reading packets and calls a function that decodes the packet's header(unsigned short) and resize the buffer to send it to another function that reads the real data from the packet template <typename Handler> void async_read(CPacketBase* packet, Handler handler) { void (CTCPConnection::*f)( const boost::system::error_code& , CPacketBase*, boost::tuple<Handler>) = &CTCPConnection::handle_read_header<Handler>; boost::asio::async_read(_socket, _buffer_data , boost::bind( f , this , boost::asio::placeholders::error , packet , boost::make_tuple(handler))); } and this is called by async_read once a packet is received template <typename Handler> void handle_read_header(const boost::system::error_code& error, CPacketBase* packet, boost::tuple<Handler> handler) { if (error) { boost::get<0>(handler)(error); } else { // Figures packet type unsigned short packet_type = *((unsigned short*) _buffer_data.c_str()); // create new packet according to type delete packet; ... // read packet's data _buffer_data.resize(packet->get_size()-2); // minus header size void (CTCPConnection::*f)( const boost::system::error_code& , CPacketBase*, boost::tuple<Handler>) = &CTCPConnection::handle_read_data<Handler>; boost::asio::async_read(_socket, _buffer_data , boost::bind( f , this , boost::asio::placeholders::error , packet , handler)); } }

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  • SQL Where clause in ORACLE

    - by ArneRie
    Hi, does someone has an idea, how to get END_DATE / START_DATE where TO_DATE('06/1/2010','MM/DD/YYYY') ? SELECT "PROJECT"."ID", "PROJECT"."CLIENT", "PROJECT"."NAME", "PROJECT"."STATE", "PROJECT"."EARLIEST_START", "PROJECT"."LATEST_END", "PROJECT"."EFFORT", "PROJECT"."LINK", "PROJECT"."STATUS", "PROJECT"."DESCRIPTION", (SELECT SUM((END_DATE - START_DATE + 1) * (WORKLOAD / 100)) FROM WORKITEM WHERE PROJECT = PROJECT.ID ) AS "P_A", (SELECT COUNT(*) FROM PUBLIC_HOLIDAY WHERE HOLIDAY_DATE BETWEEN TO_DATE('06/1/2010','MM/DD/YYYY') AND TO_DATE('06/2/2010','MM/DD/YYYY')) AS P_B, "PROJECT_STATE"."STATE", "PERSON"."DISPLAY_NAME" AS "RESPONSIBLE" FROM "PROJECT" INNER JOIN "PROJECT_STATE" ON PROJECT.STATE = PROJECT_STATE.ID INNER JOIN "PERSON" ON RESPONSIBLE = PERSON.ID WHERE (PROJECT.CLIENT = '1') AND (PROJECT.STATE = 1) ORDER BY "PROJECT"."NAME" ASC

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  • Q&A website with Wordpress

    - by radi
    hi guys , i want to design a small website like stackoverflow (but in deferent language) and i want to use wordpress because it easy to use and have a lot of plugins and themes and it is opensource so : how can i do this website in wordpress and what are the plugins i need to help me mange it and make it secure . thanks and sorry about my english .

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  • Problem With View Helpers

    - by Richard Knop
    I wrote few custom view helpers but I have a little trouble using them. If I add the helper path in controller action like this: public function fooAction() { $this->view->addHelperPath('My/View/Helper', 'My_View_Helper'); } Then I can use the views from that path without a problem. But when I add the path in the bootstrap file like this: protected function _initView() { $this->view = new Zend_View(); $this->view->doctype('XHTML1_STRICT'); $this->view->headScript()->appendFile($this->view->baseUrl() . '/js/jquery-ui/jquery.js'); $this->view->headMeta()->appendHttpEquiv('Content-Type', 'text/html; charset=UTF-8'); $this->view->headMeta()->appendHttpEquiv('Content-Style-Type', 'text/css'); $this->view->headMeta()->appendHttpEquiv('Content-Language', 'sk'); $this->view->headLink()->appendStylesheet($this->view->baseUrl() . '/css/reset.css'); $this->view->addHelperPath('My/View/Helper', 'My_View_Helper'); } Then the view helpers don't work. Why is that? It's too troublesome to add the path in every controller action. Here is an example of how my custom view helpers look: class My_View_Helper_FooBar { public function fooBar() { return 'hello world'; } } I use them like this in views: <?php echo $this->fooBar(); ?> Should I post my whole bootstrap file? UPDATE: Added complete bootstrap file just in case: class Bootstrap extends Zend_Application_Bootstrap_Bootstrap { protected function _initFrontController() { $this->frontController = Zend_Controller_Front::getInstance(); $this->frontController->addModuleDirectory(APPLICATION_PATH . '/modules'); Zend_Controller_Action_HelperBroker::addPath( 'My/Controller/Action/Helper', 'My_Controller_Action_Helper' ); $this->frontController->registerPlugin(new My_Controller_Plugin_Auth()); $this->frontController->setBaseUrl('/'); } protected function _initView() { $this->view = new Zend_View(); $this->view->doctype('XHTML1_STRICT'); $this->view->headScript()->appendFile($this->view->baseUrl() . '/js/jquery-ui/jquery.js'); $this->view->headMeta()->appendHttpEquiv('Content-Type', 'text/html; charset=UTF-8'); $this->view->headMeta()->appendHttpEquiv('Content-Style-Type', 'text/css'); $this->view->headMeta()->appendHttpEquiv('Content-Language', 'sk'); $this->view->headLink()->appendStylesheet($this->view->baseUrl() . '/css/reset.css'); $this->view->addHelperPath('My/View/Helper', 'My_View_Helper'); } protected function _initDb() { $this->configuration = new Zend_Config_Ini(APPLICATION_PATH . '/configs/application.ini', APPLICATION_ENVIRONMENT); $this->dbAdapter = Zend_Db::factory($this->configuration->database); Zend_Db_Table_Abstract::setDefaultAdapter($this->dbAdapter); $stmt = new Zend_Db_Statement_Pdo($this->dbAdapter, "SET NAMES 'utf8'"); $stmt->execute(); } protected function _initAuth() { $this->auth = Zend_Auth::getInstance(); } protected function _initCache() { $frontend= array('lifetime' => 7200, 'automatic_serialization' => true); $backend= array('cache_dir' => 'cache'); $this->cache = Zend_Cache::factory('core', 'File', $frontend, $backend); } public function _initTranslate() { $this->translate = new Zend_Translate('Array', BASE_PATH . '/languages/Slovak.php', 'sk_SK'); $this->translate->setLocale('sk_SK'); } protected function _initRegistry() { $this->registry = Zend_Registry::getInstance(); $this->registry->configuration = $this->configuration; $this->registry->dbAdapter = $this->dbAdapter; $this->registry->auth = $this->auth; $this->registry->cache = $this->cache; $this->registry->Zend_Translate = $this->translate; } protected function _initUnset() { unset($this->frontController, $this->view, $this->configuration, $this->dbAdapter, $this->auth, $this->cache, $this->translate, $this->registry); } protected function _initGetRidOfMagicQuotes() { if (get_magic_quotes_gpc()) { function stripslashes_deep($value) { $value = is_array($value) ? array_map('stripslashes_deep', $value) : stripslashes($value); return $value; } $_POST = array_map('stripslashes_deep', $_POST); $_GET = array_map('stripslashes_deep', $_GET); $_COOKIE = array_map('stripslashes_deep', $_COOKIE); $_REQUEST = array_map('stripslashes_deep', $_REQUEST); } } public function run() { $frontController = Zend_Controller_Front::getInstance(); $frontController->dispatch(); } }

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  • Making widgets for websites

    - by ayush
    Can anyone suggest some open source api's and methods to make widgets that can be embedded on company websites. I have heard about yahoo api's but i do not find it properly documented.

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  • SVN correct directory structure

    - by jax
    I followed this tutorial to setup SVN on my Fedora box http://www.ashishkulkarni.com/installing-subversion-on-fedora-linux/ It worked. However, there is no trunk, tags or branches when I set this up. In the tutorial he creates a sandbox project /svn/repos/sandbox Now I am assuming that all projects will go under repos /svn/repos/project1 /svn/repos/project2 When I view the project there are no trunk, tags or branches, I have not yet checked in any project, will these appear when I do that? As I understand all my files should go below the trunk. What are the tags and branches for? Just some clarification about the structure would be nice. Thanks.

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  • handle SIGSEGV in Linux?

    - by user303967
    Hi all, I need handle the SIGSEGV in my Linux app. The reason is some clean up(3-partry lib) must be done before generate core-dump. What is more, the clean up must be performed in the context of calling thread, cannot do in signal handler. So I plan in signal handler to pass the control to the calling thread, after the clean up finished, then use raise(SIGSEGV) to generate the core-dump. The real problem seems the signal_handler cannot pass the control to calling thread, no matter I use post_sem or some others. Any idea to handle this case? Possbile to hijack the SIGSEGV, then in SIGSEGV hander return to another thread to perform some clean up? signal(SIGSEGV, signal_handler); signal_handler() { ... post_sem(); ... } calling thread() { wait_sem(); clean_up(); ... }

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  • C# DLL: Need to know when application is closing

    - by Nick
    Is there a way to monitor when an application that is using the dll closes? The DLL and the application are both C#, neither are Windows Forms. I can check when the main application is closing, but I would like for the DLL to see "hey the program is closing and releasing me, I should do this real quick before I die". Any way to do it? Or am I stuck having the application dish out "do this before you die"?

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  • Firefox 3.03 and contentEditable

    - by Ash
    I'm using the contentEditable attribute on a DIV element in Firefox 3.03. Setting it to true allows me to edit the text content of the DIV, as expected. Then, when I set contentEditable to "false", the div is no longer editable, also as expected. However the flashing caret (text input cursor) remains visible even though the text is no longer editable. The caret is now also visible when I click on most other text in the same page, even in normal text paragraphs. Has anyone seen this before? Is there any way to force the caret hidden? (When I either resize the browser or click within another application, and come back, the caret magically disappears.)

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  • mysql select column from view problem

    - by haim evgi
    i create a view table like : CREATE VIEW ViewManager AS SELECT us.UserId AS 'Account Manager', ......... after that, when i run a query to select data from this view like : SELECT 'Account Manager' , .. from ViewManager then the data i get in this column is the text 'Account Manager' and not the value of the this columns. Is there a way to solve this ? Of course I can change the field name , but i want to know if there is another solution, thanks.

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  • Can an interface define the signature of a c#-constructor

    - by happyclicker
    I have a .net-app that provides a mechanism to extend the app with plugins. Each plugin must implement a plugin-interface and must provide furthermore a constructor that receives one parameter (a resource context). During the instantiation of the plugin-class I look via reflection, if the needed constructor exists and if yes, I instantiate the class (via Reflection). If the constructor does not exists, I throw an exception that says that the plugin not could be created, because the desired constructor is not available. My question is, if there is a way to declare the signature of a constructor in the plugin-interface so that everyone that implements the plugin-interface must also provide a constructor with the desired signature. This would ease the creation of plugins. I don’t think that such a possibility exists because I think such a feature falls not in the main purpose for what interfaces were designed for but perhaps someone knows a statement that does this, something like: public interface IPlugin { ctor(IResourceContext resourceContext); int AnotherPluginFunction(); } I want to add that I don't want to change the constructor to be parameterless and then set the resource-context through a property, because this will make the creation of plugins much more complicated. The persons that write plugins are not persons with deep programming experience. The plugins are used to calculate statistical data that will be visualized by the app.

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