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  • jQuery trigger function on change

    - by Michael Pasqualone
    I have the following two slider functions which work well and display like so: I have diskAmount and transferAmount stored in global vars, however what I am now trying to figure out is how do I get the sum of the two to initially show as the monthly fee, and then update when either of the two sliders are changed. So in my screenshot above the initial state will be $24.75, and the fee will update if the sliders change. Can anyone point me in the right direction? I get can the initial fee to show, but can't figure out how to get 1 function to call another function within jQuery. $(function() { $("#disk").slider({ value:3, min: 1, max: 80, step: 1, slide: function(event, ui) { $("#diskamount").val(ui.value + ' Gb'); $("#diskamountUnit").val('$' + parseFloat(ui.value * diskCost).toFixed(2)); } }); // Set initial diskamount state $("#diskamount").val($("#disk").slider("value") + ' Gb'); // Set initial diskamountUnit state diskAmount = $("#disk").slider("value") * diskCost; $("#diskamountUnit").val('$' + diskAmount.toFixed(2)); }); $(function() { $("#data").slider({ value:25, min: 1, max: 200, step: 1, slide: function(event, ui) { $("#dataamount").val(ui.value + ' Gb'); $("#dataamountUnit").val('$' + parseFloat(ui.value * transferCost).toFixed(2)); } }); // Set initial dataamount state $("#dataamount").val($("#data").slider("value") + ' Gb'); // Set initial dataamountUnit state transferAmount = $("#data").slider("value") * transferCost; $("#dataamountUnit").val('$' + transferAmount.toFixed(2)); });

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  • samsung galaxy tab 4 not recognized by eclipse

    - by michael
    the just released samsung galaxy tab 4 tablet does bring up the 'autoplay' box with device options when connected, but is not being recognized by eclipse, nothing shows in the device window. I have enabled debugging on the galaxy tab, including tapping the 'about' box 7 times to make the developer options magically appear. it runs kitkat and the Samsung site has a 'no data available' under the driver tab for this device. since it just came out at target last week it's unlikely there would be a new driver anyway, which has been the usual suggestion for this question on older models.

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  • php mysql , update query is not working

    - by Michael
    I'm trying to update some info into database but for some reasons it doesn't update. Also I'm not getting error in the server logs. mysql_query("UPDATE `view_item` SET `item_number` = $item_number, `title` = $title, `price` = $price, `shipping` = $shipping, `location` = $location, `start_time` = $start_time, `end_time` = $end_time, `seller_userName` = $seller_userName, `seller_UserNum` = $seller_UserNum, `number_of_bids` = $number_of_bids, `picture_link` = $picture_link WHERE `item_number` = $item_number");

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  • how to make text appear when you hover at a particular area?

    - by Michael
    I'm mainly using c++ win32 API project and the question is asked keeping in mind: When you use microsoft visual studio 2010 visual c++ editor and you minimize any function, then ahead of the function you get a box; hovering over which you see the entire function. How to implement this in c++ win32 API ? for ex- when a win32 project is created in vs2010, and empty project checkbox is unchecked then by default you get a code which after running produces a window which has a menu bar containing File an Help. Now i want some text to come when i hover over each of them. I do not want a code just a hint how it can be done. Thanks in advance.

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  • Creating Pages with unique PageMaps

    - by Michael Krauklis
    I have a wicket Application that has long lived Pages. I would like each instance of this Page to be created with a unique PageMap for reasons I won't get into here, but when I try to specify a PageMap on the constructor of my Page I end up getting OOM and StackOverflow errors. Here is the code: public <CTOR>() { super(Session.get().newPageMap("" + System.currentTimeMillis())); ... I'm using a custom BookmarkablePageLink (custom in that it does not pass on the current PageMap name to the new Page) to effectively abandon the old Page/PageMap and create a new one with a new PageMap. The errors seem to be coming from page serialization after only two or three pages have been created. Can anyone find issue with this approach?

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  • Error In VB.Net code

    - by Michael
    I am getting the error "Format Exception was unhandled at "Do While objectReader.Peek < -1 " and after. any help would be wonderful. 'Date: Class 03/20/2010 'Program Purpose: When code is executed data will be pulled from a text file 'that contains the named storms to find the average number of storms during the time 'period chosen by the user and to find the most active year. between the range of 'years 1990 and 2008 Option Strict On Public Class frmHurricane Private _intNumberOfHuricanes As Integer = 5 Public Shared _intSizeOfArray As Integer = 7 Public Shared _strHuricaneList(_intSizeOfArray) As String Private _strID(_intSizeOfArray) As String Private _decYears(_intSizeOfArray) As Decimal Private _decFinal(_intSizeOfArray) As Decimal Private _intNumber(_intSizeOfArray) As Integer Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load 'The frmHurricane load event reads the Hurricane text file and 'fill the combotBox object with the data. 'Initialize an instance of the StreamReader Object and declare variable page 675 on the book Dim objectReader As IO.StreamReader Dim strLocationAndNameOfFile As String = "C:\huricanes.txt" Dim intCount As Integer = 0 Dim intFill As Integer Dim strFileError As String = "The file is not available. Please restart application when available" 'This is where we code the file if it exist. If IO.File.Exists(strLocationAndNameOfFile) Then objectReader = IO.File.OpenText(strLocationAndNameOfFile) 'Read the file line by line until the file is complete Do While objectReader.Peek <> -1 **_strHuricaneList(intCount) = objectReader.ReadLine() _strID(intCount) = objectReader.ReadLine() _decYears(intCount) = Convert.ToDecimal(objectReader.ReadLine()) _intNumber(intCount) = Convert.ToInt32(objectReader.ReadLine()) intCount += 1** Loop objectReader.Close() 'With any luck the data will go to the Data Box For intFill = 0 To (_strID.Length - 1) Me.cboByYear.Items.Add(_strID(intFill)) Next Else MsgBox(strFileError, , "Error") Me.Close() End If End Sub

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  • Convert &euro; -> € in XUL

    - by Michael
    I need to convert HTML special symbols to their appropriate Unicode values in my Firefox extension. I'm not dealing with HTML DOM, so can't use the trick with giving value to div and taking back. Also there are too many of them to convert manually. Thought Firefox has something to use. The converted text should go to XUL's description element on statusbar. Any idea how to accomplish this?

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  • What tool to use to draw file tree diagram

    - by Michael
    Given a file tree - a directory with directories in it etc, what software would you recommend to create a diagram of the file-tree as a graphic file that I can embed in a word processor document I prefer vector (SVG, EPS, EMF...) files. The tool must run on Windows, but preferably cross-platform. The tool may be commercial but preferably free.

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  • Custom stream wrappers, what could they be useful for in web applications?

    - by michael
    I suppose the concept is language agnostic, but I don't know what it's called in other languages. In PHP they're Stream Wrappers. In short, a wrapper class that allows manipulation of a streamable resource (resource that can be read to/written to/seek into, such as a file, a db, an url). For example, in a template engine (a view), upon including a template file such as: include "view.wrapper://path/to/my/template/file.phtml"; my custom wrapper, declared elsewhere and associated with "view.wrapper", would first intercepts the file to replace such things as short tags (<?=) with a more verbose counterpart (<?php echo). This allows developers to use short tags in views, even if the server isn't set to allow it. It can also be applied to the preprocessing of views pseudo syntax such as {@myVar} (e.g. replacing it with $this->myVar). This is only one application of custom stream wrappers, but the feature seems powerful enough to make me think that there are others that could make life a lot simpler for developers. What have you built, or thought about building, custom stream wrappers for? where have you seen some interesting implementations? I'm particularly interested in their applications in web development.

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  • jQuery slideDown() not animating (jquery-rails 3.0.4; jquery-ui-rails (4.0.5)

    - by Michael Guren
    I am following along in the latest Agile Web Development with Rails 4 book. In Chapter 11 (AJAX), the book instructs us to use the following code in the "create.js.erb" file: if ($('#cart tr').length == 1) { $('#cart').show('blind', 1000); } This code causes the #cart div to jump down without any content. After 1 second it appears. There is no sliding effect. I tried using slideDown(); as well, but the div just appears immediately. Out of curiosity, I tried slideUp(); when the div was visible. Voila. The div slid up. This appears to be a jQuery bug and wondered if anyone else has experienced this, or has any suggestions for me. Thanks.

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  • Convert ToString to time format C#

    - by Michael Quiles
    Time.ToString("0.0") shows up as a decimal "1.5" for instead of 1:30 how can I get it to display in a time format. private void xTripSeventyMilesRadioButton_CheckedChanged(object sender, EventArgs e) { //calculation for the estimated time label Time = Miles / SeventyMph; this.xTripEstimateLabel.Visible = true; this.xTripEstimateLabel.Text = "Driving at this speed the estimated travel time in hours is: " + Time.ToString("0.0") + " hrs"; }

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  • How to call function on parent page from iframe using jQuery?

    - by Michael
    I have an upload form that posts to a hidden iframe. I am attempting to call a function on the parent page from the iframe, but am getting the error "top.stopUpload is not a function". What is the correct way to do this? PARENT PAGE: $(document).ready(function() { $('#document_upload').submit( function() { $('#upload_progress').show(); }); function stopUpload(success){ if (success == 1){ $('#result', window.parent.document).html( '<span class="msg">The file was uploaded successfully!<\/span>'); } else { $('#result', window.parent.document).html( '<span class="emsg">There was an error during file upload!<\/span>'); } $('#upload_progress').hide(); return true; } }) IFRAME: $(document).ready(function() { top.stopUpload(<?php echo $result; ?>); }

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  • Zip multiple database PDF blob files

    - by Michael
    I have a database table that contains numerous PDF blob files. I am attempting to combine all of the files into a single ZIP file that I can download and then print. Please help! <?php include '../config.php'; include '../connect.php'; $session = $_GET['session']; $query = "SELECT $tbl_uploads.username, $tbl_uploads.description, $tbl_uploads.type, $tbl_uploads.size, $tbl_uploads.content, $tbl_members.session FROM $tbl_uploads LEFT JOIN $tbl_members ON $tbl_uploads.username = $tbl_members.username WHERE $tbl_members.session = '$session'"; $result = mysql_query($query) or die('Error, query failed'); $files = array(); while(list($username, $description, $type, $size, $content) = mysql_fetch_array($result)) { $files[] = "$username-$description.pdf"; } $zip = new ZipArchive; $zip->open('file.zip', ZipArchive::CREATE); foreach ($files as $file) { $zip->addFile($file); } $zip->close(); header('Content-Type: application/zip'); header('Content-disposition: attachment; filename=filename.zip'); header('Content-Length: ' . filesize($zipfilename)); readfile($zipname); exit(); ?>

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  • Same object in different nib files?

    - by Michael
    View1 object, which is UIViewController subclass is the same object as File's Owner of View1 nib. So I should manually set the class in both places, one in MainWindow and another in View1 nib files? This sound artificial to me... Either I'm doing something wrong or there has to be better way.

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  • hidden post parameter , php curl

    - by Michael
    I'm trying to replicate the browser post parameters on http://www.ebayclassifieds.com/m/PostAd?scrid=3465450-2253858851033189948 but for some reasons I can't find where the values for 2 of them are comming from . The parameters are btn-previwe-ad.x and btn-previwe-ad.y but I can't find such as parameters in the html source itself or any hidden value.

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  • How does ‘Servers’ view work underlying in Eclipse?

    - by Michael Lu
    ‘Servers’ is built-in view in Eclipse. We could integrate jee server into Eclipse easily. It could start/stop server both in normal and debug modes. Moreover, we could even set timeout and deployment path, things like that. Various types of server tomcat, jboss, websphere are supported, no intrusive to server. I am just curious about how these cool things happen behind the scene. The complete mechanism is large and complex, so I just want to know general mechanism about it, an article also could be fine for me. Thank you!

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  • How to step into the world of J2EE?

    - by Michael Lai
    I am new to J2ee. I have experience in Java core, JSP,Servlet, XML, HTML, What should i learn to step into the world of J2EE? Framework(Spring, Hibernate, Struts)? But the framework is too abstract for me.I saw lots of job post which requires frameworks, some jobs require EJB,JPA. I do not where to start. Any experts can give me hints on that? I found the tutorial of J2EE 5 published by ORACLE is not easy to understand. Too much jargon....

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  • MYSQL Query using subquery

    - by Michael Quiles
    Cant get this to work can any one help. List the part number, part description, and on_hand value of each part whose number of units on hand is more than the average number of units onhand for all parts use a subquery? SELECT PART_NUM, DESCRIPTION, SUM(ON_HAND * PRICE) ON_HAND_VALUE FROM PART; WHERE MAX(ON_HAND); (AVG(ON_HAND) > ON_HAND);

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  • Explaining a Ruby code snippet

    - by Michael Foukarakis
    I'm in that uncomfortable position again, where somebody has left me with a code snippet in a language I don't know and I have to maintain it. While I haven't introduced Ruby to myself some parts of it are quite simple, but I'd like to hear your explanations nonetheless. Here goes: words = File.open("lengths.txt") {|f| f.read }.split # read all lines of a file in 'words'? values = Array.new(0) words.each { |value| values << value.to_i } # looked this one up, it's supposed to convert to an array of integers, right? values.sort! values.uniq! diffs = Array.new(0) # this looks unused, unless I'm missing something obvious sum = 0 s = 0 # another unused variable # this looks like it's computing the sum of differences between successive # elements, but that sum also remains unused, or does it? values.each_index { |index| if index.to_i < values.length-1 then sum += values.at(index.to_i + 1) - values.at(index.to_i) end } # could you also explain the syntax here? puts "delta has the value of\n" # this will eventually print the minimum of the original values divided by 2 puts values.at(0) / 2 The above script was supposed to figure out the average of the differences between every two successive elements (integers, essentially) in a list. Am I right in saying this is nowhere near what it actually does, or am I missing something fundamental, which is likely considering I have no Ruby knowledge?

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  • Is there anyway to "probe" a method in common lisp

    - by Michael Minerva
    My application allows the user to create their own methods indirectly and I later need to refer to these methods. I am wondering if there is a way (for error checking purposes) to test if a method exists without trying to execute it. If I just try and call the method and it doesn't exist this will crash my application.

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  • Are there Vi/Vim users who aren't touch typists?

    - by michael
    I'm trying to write a Vim tutorial and I'd like to start by dismissing a few misconceptions, as well as giving some recommendations. I don't know if I should dismiss touch-typing as a misconception, or include it as a recommended prerequisite. At the time I learned the editor, I had already been touch typing for a couple of years, so I have absolutely no idea what would be the experience of a two-fingered typist in Vim. Are you a vim two-fingered typist? what has your experience been like?

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