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  • Returning the Name of a column header

    - by Jason Kelly
    I need your help, Given the html table below, how can I create a javascript function that will, at the click of a mouse, alert me the name of the column header? Ie. if I click on the COLORS header, a javascript box will popup and alert("COLORS")? <html> <head> </head> <body> <table border="1" cellspacing="1" width="500"> <tr> <td>FRUITS</td> <td>COLORS</td> <td>VEGGIES</td> <td>NUMBERS</td> </tr> <tr> <td>apples</td> <td>red</td> <td>carrots</td> <td>123</td> </tr> <tr> <td>oranges</td> <td>blue</td> <td>celery</td> <td>456</td> </tr> <tr> <td>pears</td> <td>green</td> <td>brocoli</td> <td>789</td> </tr> <tr> <td>mangos</td> <td>yellow</td> <td>lettuce</td> <td>098</td> </tr> </table> </body> </html>

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  • Local Variables take 7x longer to access than global variables?

    - by ItzWarty
    I was trying to benchmark the gain/loss of "caching" math.floor, in hopes that I could make calls faster. Here was the test: <html> <head> <script> window.onload = function() { var startTime = new Date().getTime(); var k = 0; for(var i = 0; i < 1000000; i++) k += Math.floor(9.99); var mathFloorTime = new Date().getTime() - startTime; startTime = new Date().getTime(); window.mfloor = Math.floor; k = 0; for(var i = 0; i < 1000000; i++) k += window.mfloor(9.99); var globalFloorTime = new Date().getTime() - startTime; startTime = new Date().getTime(); var mfloor = Math.floor; k = 0; for(var i = 0; i < 1000000; i++) k += mfloor(9.99); var localFloorTime = new Date().getTime() - startTime; document.getElementById("MathResult").innerHTML = mathFloorTime; document.getElementById("globalResult").innerHTML = globalFloorTime; document.getElementById("localResult").innerHTML = localFloorTime; }; </script> </head> <body> Math.floor: <span id="MathResult"></span>ms <br /> var mathfloor: <span id="globalResult"></span>ms <br /> window.mathfloor: <span id="localResult"></span>ms <br /> </body> </html> My results from the test: [Chromium 5.0.308.0]: Math.floor: 49ms var mathfloor: 271ms window.mathfloor: 40ms [IE 8.0.6001.18702] Math.floor: 703ms var mathfloor: 9890ms [LOL!] window.mathfloor: 375ms [Firefox [Minefield] 3.7a4pre] Math.floor: 42ms var mathfloor: 2257ms window.mathfloor: 60ms [Safari 4.0.4[531.21.10] ] Math.floor: 92ms var mathfloor: 289ms window.mathfloor: 90ms [Opera 10.10 build 1893] Math.floor: 500ms var mathfloor: 843ms window.mathfloor: 360ms [Konqueror 4.3.90 [KDE 4.3.90 [KDE 4.4 RC1]]] Math.floor: 453ms var mathfloor: 563ms window.mathfloor: 312ms The variance is random, of course, but for the most part In all cases [this shows time taken]: [takes longer] mathfloor Math.floor window.mathfloor [is faster] Why is this? In my projects i've been using var mfloor = Math.floor, and according to my not-so-amazing benchmarks, my efforts to "optimize" actually slowed down the script by ALOT... Is there any other way to make my code more "efficient"...? I'm at the stage where i basically need to optimize, so no, this isn't "premature optimization"...

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  • JQuery Ajax Updating MySQL Database, But Not Running Success Function

    - by myrmidon16
    I am currently using the JQuery ajax function to call an exterior PHP file, in which I select and add data in a database. Once this is done, I run a success function in JavaScript. What's weird is that the database is updating successfully when ajax is called, however the success function is not running. Here is my code: <!DOCTYPE html> <head> <script type="text/javascript" src="jquery-1.6.4.js"></script> </head> <body> <div onclick="addtask();" style="width:400px; height:200px; background:#000000;"></div> <script> function addtask() { var tid = (Math.floor(Math.random() * 3)) + 1; var tsk = (Math.floor(Math.random() * 10)) + 1; if(tsk !== 1) { $.ajax({ type: "POST", url: "taskcheck.php", dataType: "json", data: {taskid:tid}, success: function(task) {alert(task.name);} }); } } </script> </body> </html> And the PHP file: session_start(); $connect = mysql_connect('x', 'x', 'x') or die('Not Connecting'); mysql_select_db('x') or die ('No Database Selected'); $task = $_REQUEST['taskid']; $uid = $_SESSION['user_id']; $q = "SELECT task_id, taskname FROM tasks WHERE task_id=" .$task. " LIMIT 1"; $gettask = mysql_fetch_assoc(mysql_query($q)); $q = "INSERT INTO user_tasks (ut_id, user_id, task_id, taskstatus, taskactive) VALUES (null, " .$uid. ", '{$gettask['task_id']}', 0, 1)"; $puttask = mysql_fetch_assoc(mysql_query($q)); $json = array( "name" => $gettask['taskname'] ); $output = json_encode($json); echo $output; Let me know if you have any questions or comments, thanks.

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  • sed multiline pygmentize

    - by dasickis
    I would like to take the html piece and pass it to pygmentize to colorize it accordingly. I'm wondering how I could use sed or some other cli tool to get that accomplished. I tried a bunch of sed one-liners and tried to use the following SO questions: Sed multiline replacement question Using or in multiline sed replacement sed or awk multiline replace I have the following log: 2012-03-26 18:04:27,385 9372 [main] ERROR web.commons.exception.ServiceInvocationException - Response from server cannot be decoded to JSON, responsePayload = <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"/> <title>Error 404 Not Found</title> </head> <body><h2>HTTP ERROR 404</h2> <p>Problem accessing jetty-url. Reason: <pre> Not Found</pre></p><hr /><i><small>Powered by Jetty://</small></i><br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> </body> </html> org.codehaus.jackson.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null') at [Source: java.io.StringReader@369133f6; line: 1, column: 2] UPDATE I'm adding this to a longer command: mvn -U test | (while read line; do echo ${line} | sed -e "s/.*ERROR.*/`echo -e '\e[91m&\e[0m'`/g" -e "s/.*\(WARN|INFO\).*/`echo -e '\e[93m&\e[0m'`/g"; done)

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  • Sending an image in a faceless email

    - by anurag
    I am trying to send a faceless email (sending an email without showing the interface), using the code below. I also want to attach an image to this email. Is this possible? - (void) sendEmailTo:(NSString *)toStr withSubject:(NSString *)subjectStr withBody:(NSString *)bodyStr { NSString *emailString=[[NSString alloc] initWithFormat:@"mailto:?to=%@&subject=%@&body=%@", [toStr stringByAddingPercentEscapesUsingEncoding:NSASCIIStringEncoding], [subjectStr stringByAddingPercentEscapesUsingEncoding:NSASCIIStringEncoding], [bodyStr stringByAddingPercentEscapesUsingEncoding:NSASCIIStringEncoding]]; [[UIApplication sharedApplication] openURL:[NSURL URLWithString:emailString]]; [emailString release]; }

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  • CSS: right wrapper dropping off the end of the page

    - by user310606
    I have an issue with a site I am working on where the right wrapper keeps dropping down below the site. Obviously I want it to stay on the right hand side. I've coded up a test case which shows my issue (I think) and I'm wondering if there is a better way to do things. The website url is http://www.musicworkshop.co.nz/ Below is the test case which (I think) is the cause of my issue, however it may not be. The pink box drops down if it does not fit within the page width. Is there a better way to do this? John <html> <head> <title> Test page </title> <link rel="stylesheet" href="test.css" type="text/css" /> </head> <body> <div id="superbox"> <div id="box1"> </div> <div id="box2"> </div> <div id="box3"> </div> <div id="box4"> </div> <div id="box5"> </div> <div id="box6"> </div> </div> </body> </html> #outsidebox{ width: 100%; } #superbox{ width: 1000px; height: 100px; margin: 0 auto; } #box1{ height: 100px; width: 200px; background: red; float: left; } #box2{ height: 100px; width: 200px; background: yellow; float: left; } #box3{ height: 100px; width: 200px; background: blue; float: left; } #box4{ height: 100px; width: 200px; background: green; float: left; } #box5{ height: 100px; width: 200px; background: grey; float: left; } #box6{ height: 100px; width: 200px; background: pink; float: left; }

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  • Adding a web address to a <a href="value">

    - by Michael Robinson
    I have an upload script that write a index.html file, I modified it to mail me the results, however the point to the root, since the email isn't in the root, the image doesn't load. How do I append the code to add "http://www.home.html/uploaded" prior to the ". $value ." so that the images show up in the email. Here is portion of PHP that assigns the images to a $result: // Process value of Imagedata field, this is JPEG-files array foreach ($_FILES[Imagedata][name] as $key => $value) { $uploadfile = $destination_dir . basename($_FILES[Imagedata][name][$key]); if (move_uploaded_file($_FILES['Imagedata']['tmp_name'][$key], $uploadfile)) { $result .= "File uploaded: <a href='". $value . "'>" . $value . "</a><br>"; } } // $result .= "<br>"; Here is what I'm now receiving in the email, : <!doctype html public "-//w3c//dtd html 4.0 transitional//en"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>Upload results</title> </head> <body> AdditionalStringVariable: pass additional data here<br><a> href='gallery_grannylovesthis_l.jpg'><img border = '0' src='QIU_thumb_gallery_grannylovesthis_l.jpg'/></a><br><br><br>File uploaded: <a href='gallery_grannylovesthis_l.jpg'>gallery_grannylovesthis_l.jpg</a><br><br> GlobalControlData: PHOTO_VISIBILITY : 2<br> GlobalControlData: PHOTO_DESCR : Requiredtest<br> GlobalControlData: PHOTO_TITLE : Requiredtest<br><br>gallery_grannylovesthis_l.png<br> control: , value: <br> </body> </html> Thanks in advance for any guidance...I have a feeling it's something simple.

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  • Is it possible to specify a function with both extern and override modifiers?

    - by Jeffrey Greenham
    I'm trying to override the behavior of an external function in user32.dll because I don't want a certain window to show up. What I'm trying to do is this: [DllImport("user32.dll")] public extern override IntPtr GetSystemMenu(IntPtr hMenu, bool bRevert) { return new IntPtr(); } but this won't work because I get the following errors: ... no suitable method found to override and ... cannot be extern and declare a body Is there any way to simulate what I'm trying to do?

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  • Backup configuration of Hudson Master systems

    - by Praveen
    I need Backup configuration of Hudson Master systems Detailed information If a Hudson Master system goes down, we need to be able to bring it back up on a different VM as soon as possible (may be 3 hours). Therefore, I need to develop a way to backup the configuration and resetup a new VM reliabily. can any body let me know best way step by step. THANKS

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  • How do I run JavaScript in my ContentPlaceHolder?

    - by donde
    I had a load of javascript that ran well when everything was in one page. Now that I've separated it out, I'm not sure how to include the javascript, ssing the HEAD tag in in the master, and also, I had functions that ran when the body loaded but they are in the master too. By the way this is a .NET 2.0 app.

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  • Hoe to convert a JSON array of paths to images stored on a server into a javaScript array to display them? Using AJAX

    - by MichaelF
    I need for html file/ ajax code to take the JSON message and store the PATHS as a javaScript array. Then my buildImage function can display the first image in the array. I'm new to AJAX and believe my misunderstanding lies within the converting of the JSON to Javascript. I'm confused also about if my code creates a JSON array or object or either. I might need also to download a library to my app to understand JSON? Below is a PHP file loading the paths of the images. I believe json ecode is converting the PHP Array in a Json message. <?php include("mysqlconnect.php"); $select_query = "SELECT `ImagesPath` FROM `offerstbl` ORDER by `ImagesId` DESC"; $sql = mysql_query($select_query) or die(mysql_error()); $data = array(); while($row = mysql_fetch_array($sql,MYSQL_BOTH)){ $data[] = $row['ImagesPath']; } echo $images = json_encode($data); ?> Below is the script in is going to be loaded on an Cordova app. <!DOCTYPE html> <html> <head> <link rel="stylesheet" href="css/styles.css"> <link rel="stylesheet" href="css/cascading.css"> <script> function importJson(str) { // console.log(typeof xmlhttp.responseText); if (str=="") { document.getElementById("content").innerHTML=""; return; } if (window.XMLHttpRequest) { // code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); } else { // code for IE6, IE5 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange=function() { if (xmlhttp.readyState==4) { //var images = JSON.parse(xmlhttp.responseText); document.getElementById("content").innerHTML=xmlhttp.responseText; } } xmlhttp.open("GET","http://server/content.php"); xmlhttp.send(); } function buildImage(src) { var img = document.createElement('img') img.src = src alert("1"); document.getElementById('content').appendChild(img); } for (var i = 0; i < images.length; i++) { buildImage(images[i]); } </script> </head> <body onload= "importJson();"> <div class="contents" id="content" ></div> <img src="img/logo.png" height="10px" width="10px" onload= "buildImage();"> </body>

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  • Rails: How to to download a file from a http and save it into database

    - by Chris
    Hi, i would like to create a Rails controller that download a serie of jpg files from the web and directly write them into database as binary (I am not trying to do an upload form) Any clue on the way to do that ? Thank you Edit : Here is some code I already wrote using attachment-fu gem : http = Net::HTTP.new('awebsite', 443) http.use_ssl = true http.verify_mode = OpenSSL::SSL::VERIFY_NONE http.start() { |http| req = Net::HTTP::Get.new("image.jpg") req.basic_auth login, password response = http.request(req) attachment = Attachment.new(:uploaded_data => response.body) attachement.save } And I get an "undefined method `content_type' for #" error

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  • Can I lock tables in an IF statement in MySQL?

    - by MalcomTucker
    This is throwing a syntax error - --from body of a stored proc IF (name = in_name) SET out_id = temp; ELSE LOCK TABLE People WRITE; INSERT INTO People (Name) VALUES (in_name); UNLOCK TABLE; SELECT LAST_INSERT_ID() INTO out_id END IF do I have to lock any tables I need at the start of the SP?

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  • PHP getting Twitter API JSON file contents without OAuth (Almost have it)

    - by DexCurl
    Hey guys, I have this script working fine with OAuth, but I accidentally nuked my 350 API hits with a stupid while statement :( I'm trying to get data from the Twitter API without OAuth, I can't figure it out (still pretty new), heres what I have <html> <body> <center> <hr /> <br /> <table border="1"> <tr><td>ScreenName</td><td>Followed back?</td></tr> <?php //twitter oauth deets $consumerKey = 'x'; $consumerSecret = 'x'; $oAuthToken = 'x'; $oAuthSecret = 'x'; // Create Twitter API objsect require_once("twitteroauth.php"); $oauth = new TwitterOAuth($consumerKey, $consumerSecret, $oAuthToken, $oAuthSecret); //get home timeline tweets and it is stored as an array $youfollow = $oauth->get('http://api.twitter.com/1/friends/ids.json?screen_name=lccountdown'); $i = 0; //start loop to print our results cutely in a table while ($i <= 20){ $youfollowid = $youfollow[$i]; $resolve = "http://api.twitter.com/1/friendships/exists.json?user_a=".$youfollow[$i]."&user_b=jwhelton"; $followbacktest = $oauth->get($resolve); //$homedate= $hometimeline[$i]->created_at; //$homescreenname = $hometimeline[$i]->user->screen_name; echo "<tr><td>".$youfollowid."</td><td>".$followbacktest."</td></tr>"; $i++; } ?> </table> </center> </body> </html> Neither of the two Twitter functions require authentication, so how can I get the same results? Thanks guys, Dex

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  • HTML Language question

    - by Mike
    Note my code below. I am trying to figure out why my data is not changing to Spanish. I understand it to be one line of code and that is all within the HTML attribute lang=”es”. Any help would be greatly appreciated. <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xlmns="http://www.w3.org/1999/xhtml" lang=”es” xml:lang="en"> <head> <title>JavaJam Coffee House</title> <link href="javajam.css" rel="stylesheet" type="text/css" /> </head> <body bgcolor="brown"> <h1>JavaJam Coffee House</h1> <ul> <li>Specialty Coffee and Tea</li> <li>Bagels, Muffins, and Organic Snacks</li> <li>Music and Poetry Readings</li> <li>Usability Studies</li> <li>Open Mic Night</li> </ul> <br></br> <p>12312 Main Street<br> Mountain Home, CA 93923<br> 1-888-555-5555</br> </p> <p> <em> <small>Copyright &copy; 2008 JavaJam Coffee House</em></p> E-Mail <a href="mailto;[email protected]"> Michael J. Crawley</a> </body> </html>

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