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  • Break the limit of threading, segmentation fault

    - by user353573
    use pthread_create to create limited number of threads running concurrently Successfully compile and run However, after adding function pointer array to run the function, Segmentation fault Where is wrong? workserver number: 0 Segmentation fault void* workserver(void arg) { int status; while(true) { printf("workserver number: %d\n", (int)arg); ( job_queue[(int)arg])(); sleep(3); status = pthread_mutex_lock(&data.mutex); if(status != 0) printf("%d lock mutex", status); data.value = 1; status = pthread_cond_signal(&data.cond); if(status != 0) printf("%d signal condition", status); status = pthread_mutex_unlock(&data.mutex); if(status != 0) printf("%d unlock mutex", status); } }

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  • how can a __global__ function RETURN a value or BREAK out like C/C++ does

    - by user1684726
    Recently i've been doing string comparing jobs on CUDA, and i wonder how can a global function return a value when it finds the exact string that i'm looking for. I mean, i need the global function which contains a great amout of threads to find a certain string among a big big string-pool simultaneously, and i hope that once the exact string is caught, the global funtion can stop all the threads and return back to the main funtion, and tells me "he did it"! B.T.W., I'm using CUDA C .How could i possibly achieve that, waiting for help.

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  • this block of code going straight to break in java

    - by user2914851
    I have this block in a switch case statement that when selected, just breaks and presents me with the main menu again. System.out.println("Choose a competitor surname"); String competitorChoice2 = input.nextLine(); int lowestSpeed = Integer.MAX_VALUE; int highestSpeed = 0; for(int j = 0; j < clipArray.length; j++) { if(clipArray[j] != null) { if(competitorChoice2.equals(clipArray[j].getSurname())) { if(clipArray[j].getSpeed() > clipArray[highestSpeed].getSpeed()) { highestSpeed = j; } } } } for(int i = 0; i < clipArray.length; i++) { if(clipArray[i] != null) { if(competitorChoice2.equals(clipArray[i].getSurname())) { if(clipArray[i].getSpeed() < clipArray[lowestSpeed].getSpeed()) { lowestSpeed = i; } } } } for(int h = lowestSpeed; h < highestSpeed; h++ ) { System.out.println(""+clipArray[h].getLength()); } I have an array of objects and each object has a surname and a speed. I want the user to choose a surname and display the speeds of all of their clips from lowest to highest. when I select this option it just breaks and brings me back to the main menu

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  • Search Engine Optimization - The Importance of Page Optimization in Search Engine Optimization

    In order for your website to rank well, your internal linking structure is critical to your success. This is covered some of the theory for this in various articles and blogs about Page Structure of a website, which said how you should map out the physical linking structure, but in this guide I will explain more about the importance of interlinking your pages, while using your targeted keyword in your anchor text.

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  • What is the difference between a Facebook Group and a Facebook Page

    - by jmort253
    I created a Project Management Stack Exchange Facebook Page to help promote the new Project Management Stack Exchange Site. One of the users suggested a Facebook Group instead. I use Facebook, and I've searched the help pages, but it's not immediately clear to me what the advantages and disadvantages are. Can you provide a list of uses for Groups and uses for Facebook Pages and perhaps some links to resources that help differentiate one from the other?

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  • Generate a proper 404 page for blocked sites via /etc/hosts instead of redirect to localhost

    - by Mixhael
    I have blocked some websites by editing /etc/hosts and adding several newline-entries in the following manner: 0.0.0.0 www.domain.com And it works. The only thing is: when a website is visited which is blocked, the browser is redirected to my http://localhost, resulting in a directory listing or website-presentation that is running within my localhost root-environment. It's not a very big problem, but I prefer a standard error that mentions the website cannot be visited (for instance by a 404 page). Is this possible?

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  • Page Hierarchy

    - by raghu.yadav
    Great example given by frank on Page Hierarchy here http://www.oracle.com/technology/products/jdev/tips/fnimphius/sitemenuprotection/index.html?_template=/ocom/printfew things we need to concentrate while implementing this example.1) create template and embed the same in all the jspx pages.2) set defaultFocusPath="true" for first itemNode in GroupNode and set idRef to point correct node.

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  • Few Google Checkout Questions

    - by Richard Knop
    I am planning to integrate a Google Checkout payment system on a social networking website. The idea is that members can buy "tokens" for real money (which are sort of the website currency) and then they can buy access to some extra content on the website etc. What I want to do is create a Google Checkout button that takes a member to the checkout page where he pays with his credit or debit card. What I want is the Google Checkout to notify notify my server whether the purchase of tokens was successful (if the credit/debit card was charged) so I can update the local database. The website is coded in PHP/MySQL. I have downloaded the sample PHP code from here: code.google.com/p/google-checkout-php-sample-code/wiki/Documentation I know how to create a Google checkout button and I have also placed the responsehandlerdemo.php file on my server. This is the file the Google Checkout is supposed to send response to (of course I set the path to the file in Google merchant account). Now in the response handler file there is a switch block with several case statements. Which one means that the payment was successful and I can add tokens to the member account in the local database? switch ($root) { case "request-received": { break; } case "error": { break; } case "diagnosis": { break; } case "checkout-redirect": { break; } case "merchant-calculation-callback": { // Create the results and send it $merchant_calc = new GoogleMerchantCalculations($currency); // Loop through the list of address ids from the callback $addresses = get_arr_result($data[$root]['calculate']['addresses']['anonymous-address']); foreach($addresses as $curr_address) { $curr_id = $curr_address['id']; $country = $curr_address['country-code']['VALUE']; $city = $curr_address['city']['VALUE']; $region = $curr_address['region']['VALUE']; $postal_code = $curr_address['postal-code']['VALUE']; // Loop through each shipping method if merchant-calculated shipping // support is to be provided if(isset($data[$root]['calculate']['shipping'])) { $shipping = get_arr_result($data[$root]['calculate']['shipping']['method']); foreach($shipping as $curr_ship) { $name = $curr_ship['name']; //Compute the price for this shipping method and address id $price = 12; // Modify this to get the actual price $shippable = "true"; // Modify this as required $merchant_result = new GoogleResult($curr_id); $merchant_result->SetShippingDetails($name, $price, $shippable); if($data[$root]['calculate']['tax']['VALUE'] == "true") { //Compute tax for this address id and shipping type $amount = 15; // Modify this to the actual tax value $merchant_result->SetTaxDetails($amount); } if(isset($data[$root]['calculate']['merchant-code-strings'] ['merchant-code-string'])) { $codes = get_arr_result($data[$root]['calculate']['merchant-code-strings'] ['merchant-code-string']); foreach($codes as $curr_code) { //Update this data as required to set whether the coupon is valid, the code and the amount $coupons = new GoogleCoupons("true", $curr_code['code'], 5, "test2"); $merchant_result->AddCoupons($coupons); } } $merchant_calc->AddResult($merchant_result); } } else { $merchant_result = new GoogleResult($curr_id); if($data[$root]['calculate']['tax']['VALUE'] == "true") { //Compute tax for this address id and shipping type $amount = 15; // Modify this to the actual tax value $merchant_result->SetTaxDetails($amount); } $codes = get_arr_result($data[$root]['calculate']['merchant-code-strings'] ['merchant-code-string']); foreach($codes as $curr_code) { //Update this data as required to set whether the coupon is valid, the code and the amount $coupons = new GoogleCoupons("true", $curr_code['code'], 5, "test2"); $merchant_result->AddCoupons($coupons); } $merchant_calc->AddResult($merchant_result); } } $Gresponse->ProcessMerchantCalculations($merchant_calc); break; } case "new-order-notification": { $Gresponse->SendAck(); break; } case "order-state-change-notification": { $Gresponse->SendAck(); $new_financial_state = $data[$root]['new-financial-order-state']['VALUE']; $new_fulfillment_order = $data[$root]['new-fulfillment-order-state']['VALUE']; switch($new_financial_state) { case 'REVIEWING': { break; } case 'CHARGEABLE': { //$Grequest->SendProcessOrder($data[$root]['google-order-number']['VALUE']); //$Grequest->SendChargeOrder($data[$root]['google-order-number']['VALUE'],''); break; } case 'CHARGING': { break; } case 'CHARGED': { break; } case 'PAYMENT_DECLINED': { break; } case 'CANCELLED': { break; } case 'CANCELLED_BY_GOOGLE': { //$Grequest->SendBuyerMessage($data[$root]['google-order-number']['VALUE'], // "Sorry, your order is cancelled by Google", true); break; } default: break; } switch($new_fulfillment_order) { case 'NEW': { break; } case 'PROCESSING': { break; } case 'DELIVERED': { break; } case 'WILL_NOT_DELIVER': { break; } default: break; } break; } case "charge-amount-notification": { //$Grequest->SendDeliverOrder($data[$root]['google-order-number']['VALUE'], // <carrier>, <tracking-number>, <send-email>); //$Grequest->SendArchiveOrder($data[$root]['google-order-number']['VALUE'] ); $Gresponse->SendAck(); break; } case "chargeback-amount-notification": { $Gresponse->SendAck(); break; } case "refund-amount-notification": { $Gresponse->SendAck(); break; } case "risk-information-notification": { $Gresponse->SendAck(); break; } default: $Gresponse->SendBadRequestStatus("Invalid or not supported Message"); break; } I guess that case 'CHARGED' is the one, am I right? Second question, do I need an SSL certificate to receive response from Google Checkout? According to this I do: groups.google.com/group/google-checkout-api-php/browse_thread/thread/10ce55177281c2b0 But I don's see it mentioned anywhere in the official documentation. Thank you.

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  • Guide to Building a Website - Top 5 Tips For Keyword Page Optimization

    Keyword page optimization is full of strange technical terms - meta tags, keyword tag, HTML tags, etc. In this guide to building a website we will look closely at how search engines scan your website and the fact that the relevancy is the main factor for Google. You might realize that these buzzwords might not have the same weight as before.

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  • Facebook - Filter Page posts by #hashtag [on hold]

    - by beppe9000
    I'm trying to gather all the posts (official posts and people's posts) on my page which contain a specified #tag, to later show them on website. But I've no clue on how to accomplish this. Is there any API capable of this or anything else that could help? I basically need to get all those posts IDs looping spidering trought them for my hashtag. I'm planning to do this server-side so PHP is my choice.

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  • AJAX event, prevents other page actions

    - by cobaltduck
    Here's a fairly average scenario, using JSF as an example, but this same concept I have observed in ASP.NET, Apache Wicket, and other frameworks with ajax capabilities. <h:inputText id="text1" value="#{myBacker.myBean.myStringVar}" styleClass="goodCSS"> <f:ajax event="change" listener="#{myBacker.text1ChangeEventMethod}" update="someOtherField" /> </h:inputText> <h:selectBooleanCheckbox id="check1" value="#{myBacker.myBean.myBoolVar}" /> Let's suppose that the 'text1ChangeEventListener' is essential to 'someOtherField' and perhaps toggles its disabled attribute, or changes its available options, based on the value of 'myStringVar.' The particulars aren't important, let's just accept that for some reason we need an ajax call when the 'text1' value is changed. So Jane User is working her way down the form. She arrives at the 'text1' field and types some value. The cursor focus is still in the text field, as she moves her mouse to the 'check1' box and clicks. It appears to her that nothing has happened. She clicks again, and this time the checkbox highlights and the icon indicating a selection appears in the box. Jane has to do several entries in the form today, and sees this happen every time, and it becomes very frustrating for her. Likewise, Jeff Admin is also perusing this form, and begins to type in 'text1.' He then realizes he doesn't really want to enter this data, and so moves his mouse to the "cancel" button elsewhere on the page, and clicks. Nothing seems to happen. Jeff clicks again, and after confirming he really does want to cancel, is returned to the home page. Jeff scratches his head. The problem is simply that the first thing the system does after 'text1' looses focus is run the listener and perform the ajax operation. It may only take a fraction of a second, but still, you can click other buttons all you want, but until that ajax has finished, everything else is ignored. I've spent the morning searching and reading, and it seems no one else has even noticed this. I could find not one article, blog, past question here or at SO, or anyting that addresses this obvious and glaring deficiency in ajax. So first of all, am I truly alone in thinking this is a big problem? Second, does anyone have a solution?

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  • Guaranteed Ways to Improve Page Ranking

    Getting ranked highly by Google for web pages is every Internet marketer's dream. There are things you can do to improve page ranking in the eyes of Google and other search engines. If your goal is to generate more traffic from search engines you will be interested in how you can improve the rank of your pages in this article.

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  • For On Page SEO, This Works Like Crazy

    When it comes to the search engines we need to be making sure that our website tells the search engines exactly what it is and what the content contained within is about. Once we have this right, which will come from the on page optimization and content, we need to build backlinks to our website which increases the popularity of our website in the search engines eyes and lifts us up through the rankings.

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  • 7 Tips For Strong On Page SEO

    On page SEO is the first thing a webmaster should consider when planning the marketing of his website. Follow these simple yet effective methods to give your SEO campaign a kick start.

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  • Back to Basics: Structuring a Web Page with CSS and ASP.NET

    Nick Harrison explains why such habits as using nested HTML Tables to position content in the right place on the browser page is bad practice and, nowadays, avoidable. This is just one 'Markup smell' that he discusses on the way to demonstrating the benefits of CSS Style-sheets and ASP.NET Master Pages. span.fullpost {display:none;}

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  • Programmatically navigate to a new page

    - by [email protected]
    Did you know you can programmatically navigate to a new page via code?  Inside your bean method, you can simply use the NavigationDispatchHelper class to do the work for you. The invokePageNavigation method of NavigationDispatchHelper takes a String parameter that holds the value of the navigation rule to follow.   import oracle.adfnmc.util.NavigationDispatchHelper; public void MyBeanMethod() { /'/ Do stuff NavigationDispatchHelper.invokePageNavigation("patients"); }

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  • "Page Size" and "Orientation" are disabled when printing from some applications

    - by Michael
    There are many different Print dialogs but one is very common and is used by Gimp, Shutter, Evloution and Simple Scan. In all these apps the "Page Size" and "Orientation" are disabled. The same dialog in Firefox, Thunderbird and GEdit works OK. I program in Gambas3 which uses this dialog in conjunction with the GTK+ library and it also has these options disabled. If I use the QT4 library then a different print dialog is displayed with no problems. Anybody else notice this problem and found a solution?

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  • Microdata for Q&A page

    - by Zoltán Kocsán
    Which microdata is the best for a Q&A page or for a list of links to Q&A pages. When searching "yahoo answers cat" via Google it displays the result from Yahoo in a very nice way. It displays a list of related question with the number of answers (screenshot). What microdat/microformat whatever should be used on Q&A pages like Yahoo Answers or StackExchange to have similar results in Google?

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  • How to Make Your Page Titles Keyword Rich

    In addition to including meta tags in your web pages, one of the most effective traffic generation technique is to include one of your main keywords in the page title tags. If you have a website with several pages, this should be done for all the pages of you website. Including the main keywords in your title is known to be one of the best traffic techniques which help in improving website ranking by search engines.

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  • Using Url Rewrite to Block Page Requests

    - by The Official Microsoft IIS Site
    The other day I was checking the traffic stats for my WordPress blog to see which of my posts were the most popular. I was a little concerned to see that wp-login.php was in the Top 5 total requests almost every month. Since I’m the only author on my blog my logins could not possibly account for the traffic hitting that page. The only explanation could be that the additional traffic was coming from automated hacking attempts. Any server administrator concerned about security knows that “ footprinting...(read more)

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