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  • Java / MySQL - How to access connection from another class?

    - by Alex
    I'm just getting my head around java (and OOP for that matter), the only thing I am familiar with is MySQL. I need to keep the DB connection open throughout the duration of the application, as well as a server socket. I'm not even sure if they both need separate classes, but here's what I have so far: http://pastebin.com/qzMFFTrY (it wouldn't all go in a code tag) The variable I need is con for line 86.

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  • DELETE and ACCESS

    - by Alex
    Where is the error in this statement? query = "DELETE TOP 10 FROM table WHERE field LIKE \"something*\"" I get an error on the query sytax. Thanks.

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  • mysql connect error issue

    - by Alex
    I've php page which update Mysql Db. I don't understand why my following php code is saying that "Could not update marker. No database selected". Strange!! can you please tell me why it's showing error message. Thanks. Php code: <?php // database settings $db_username = 'root'; $db_password = ''; $db_name = 'parkool'; $db_host = 'localhost'; //mysqli $mysqli = new mysqli($db_host, $db_username, $db_password, $db_name); if (mysqli_connect_errno()) { header('HTTP/1.1 500 Error: Could not connect to db!'); exit(); } ################ Save & delete markers ################# if($_POST) //run only if there's a post data { //make sure request is comming from Ajax $xhr = $_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest'; if (!$xhr){ header('HTTP/1.1 500 Error: Request must come from Ajax!'); exit(); } // get marker position and split it for database $mLatLang = explode(',',$_POST["latlang"]); $mLat = filter_var($mLatLang[0], FILTER_VALIDATE_FLOAT); $mLng = filter_var($mLatLang[1], FILTER_VALIDATE_FLOAT); $mName = filter_var($_POST["name"], FILTER_SANITIZE_STRING); $mAddress = filter_var($_POST["address"], FILTER_SANITIZE_STRING); $mId = filter_var($_POST["id"], FILTER_SANITIZE_STRING); /*$result = mysql_query("SELECT id FROM test.markers WHERE test.markers.lat=$mLat AND test.markers.lng=$mLng"); if (!$result) { echo 'Could not run query: ' . mysql_error(); exit; } $row = mysql_fetch_row($result); $id=$row[0];*/ //$output = '<h1 class="marker-heading">'.$mId.'</h1><p>'.$mAddress.'</p>'; //exit($output); //Update Marker if(isset($_POST["update"]) && $_POST["update"]==true) { $results = mysql_query("UPDATE parkings SET latitude = '$mLat', longitude = '$mLng' WHERE locId = '94' "); if (!$results) { //header('HTTP/1.1 500 Error: Could not Update Markers! $mId'); echo "coudld not update marker." . mysql_error(); exit(); } exit("Done!"); } $output = '<h1 class="marker-heading">'.$mName.'</h1><p>'.$mAddress.'</p>'; exit($output); } ############### Continue generating Map XML ################# //Create a new DOMDocument object $dom = new DOMDocument("1.0"); $node = $dom->createElement("markers"); //Create new element node $parnode = $dom->appendChild($node); //make the node show up // Select all the rows in the markers table $results = $mysqli->query("SELECT * FROM parkings WHERE 1"); if (!$results) { header('HTTP/1.1 500 Error: Could not get markers!'); exit(); } //set document header to text/xml header("Content-type: text/xml"); // Iterate through the rows, adding XML nodes for each while($obj = $results->fetch_object()) { $node = $dom->createElement("marker"); $newnode = $parnode->appendChild($node); $newnode->setAttribute("name",$obj->name); $newnode->setAttribute("locId",$obj->locId); $newnode->setAttribute("address", $obj->address); $newnode->setAttribute("latitude", $obj->latitude); $newnode->setAttribute("longitude", $obj->longitude); //$newnode->setAttribute("type", $obj->type); } echo $dom->saveXML();

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  • Are there actually lag times to remove an email address from "the system"? [closed]

    - by Alex Gosselin
    For example, you send an unsubscribe message to a legitimate company or a spam, they reply that they will remove you and it may take up to 72 hours to take effect. I find it hard to believe anything that simple could take more than 3/4 of a second to take effect system wide. Another example would be when you call the visa activation line, there is a "delay" of several minutes while they try to sell you some kind of insurance. Usually just as you get the point across that you don't want it they will tell you your card has been activated and let you go. Are these delays real?

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  • Select <a> which is the second <a> on a page that contains the same href text? jQuery

    - by Alex
    Hello there, I'm working with a page that has several links that contain the same href text, and I need to select the second anchor element on the page that contains said href text. Here's a simplified version of the link structure of the page: <a href="same/link/to/stuff/">same link</a> <a href="same/link/to/stuff/">same link</a> How do I fashion my selector so that it only selects the second anchor in the above example? Currently I'm trying: $('a[href=same/link/to/stuff/] :eq(1)') but it is not working. Thanks!!

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  • contents().find() not producing the same result as changing selector context? - jQuery

    - by Alex
    Hello all, I have a function that looks somewhat like this: function(domObj) { var currentObj = $(domObj); ... currentObj.contents().find(".ws").after("foobar"); } My problem is that the above method of using .contents().find() is not working. "foobar" never gets stuffed after the specified dom element, represented by the selector, .ws However if I do this: $(".ws", currentObj).after("foobar"); Then the string, "foobar" gets appended every time. My question: Are not these two methods supposed to be equivilant? How/what am I doing wrong in my use of .contents().find() so that it is not working? Thanks!

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  • JQuery validation using is() and multiple CSS classes

    - by Alex
    Hi Folks, Trying to debug something that basically .trim()'s, .val()'s and .length's a textarea input as HTML below (truncated): <form id="Kontaktanfrage" method="post" action="tests/testform/"> ... <textarea cols="50" rows="8" id="el_12" name="FORM[Kontaktanfrage][el_12]" title="Ihre Nachricht: *" class="textarea required"></textarea> ... </form> JavaScript: function validateField(formId, fieldId) { if (fieldId) { var element = "form#"+formId+" input#"+fieldId; var fieldValue = jQuery.trim(jQuery(element).val()); var fieldLength = fieldValue.length; var fieldError = ""; if ($(element).is('.textarea.required') && fieldLength == 0) { fieldError = "error message"; } } } The above if check is never true. Using JQuery: 1.4.1. Having seen other examples online, I can't see what the difference should be. Feel free to test it in FireBug at (http://www.initiat.de/tests/testform/). Any help appreciated, can't see what I'm doing wrong.

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  • How do I access the array submit() calls in the dom?

    - by Alex
    I want to grab all the inputs inside a form, in order to submit them. The point of this is to use jquery's ajax to submit a dynamically sized form. Surely there must be an array inside the dom somewhere which i can just do something like... docment.forms['form'].elements which only lists inputs for that form, meaning I can loop through them and grab their values to play around with?

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  • What is the easiest way to set the value of an entire array?

    - by Alex
    My current project requires me to fill an array based upon some other values. I know there's the shortcut: int arr[4][4] = { {0,0,0,0} , {0,0,0,0} , {0,0,0,0} , {0,0,0,0} }; But in this case, I need to fill the array after its declaration. I currently have my code formatted like this: int arr[4][4]; if(someothervariable == 1){ arr = { {1,1,1,1}, {1,2,3,4}, {2,,3,4,5}, {3,4,5,6} }; } But it won't compile. Is there a way to make use of the mentioned shortcut in my case? If not, whats the best fix available? I'd appreciate a way to set it without explicitly assigning each element? ie: arr[0][0] = ...

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  • What would be the most efficient way to do this search (mysql or text)?

    - by alex
    Suppose I have 500 rows of data, each with a paragraph of text (like this paragraph). That's it.I want to do a search that is not only based on words. (%LIKE%, not FULL_TEXT) What would be faster? SELECT * FROM ...WHERE LIKE "%query%"; This would put load on the database server. Select all. Then, go through each one and do .find = 0 This would put load on the web server. This is a website, and people will be searching frequently.

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  • CONCAT_WS rows in JOIN

    - by Alex Kiselev
    i have tables profiles (id, name, deleted) categories (id, name, deleted) profiles_categories (id, profile_id, category_id, , deleted) I have wrong query SELECT p.id, p.name CONCAT_WS(', ', c.name) AS keywords_categories FROM profiles p LEFT JOIN profiles_categories pc ON p.id = pc.profile_id LEFT JOIN categories c ON pc.id = c.id WHERE p.deleted = FALSE So, i want have result with all profiles with concan categories.name. Thanks

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