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  • Only the last run in a for loop in Javascript works

    - by Mengfei Murphy
    Here is a for loop written by Javascript. It is trying to apply queries for websql. for (var i = 0; i < 10; i++){ db.transaction(function (tx){ tx.executeSql('INSERT INTO ProjSetsT (ProjID) VALUES (?);', [i]); }); } The attempt is obvious, I tried to add values "0, 1, 2, ... 9" into column ProjID in table ProjSetsT. It does not work. I only got the last element, i.e. "9" inserted, but not the first eight numbers. Is there any syntax mistakes?

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  • Check for Existence of a Result in Linq-to-xml

    - by NateD
    I'm using Linq-to-XML to do a simple "is this user registered" check (no security here, just making a list of registered users for a desktop app). How do I handle the result from a query like this: var people = from person in currentDoc.Descendants("Users") where (string)person.Element("User") == searchBox.Text select person; I understand the most common way to use the result would be something like foreach (var line in people){ //do something here } but what do you do if person comes back empty, which is what would happen if the person isn't registered? I've looked around on this site and on MSDN and haven't found a really clear answer yet. Extra credit: Give a good explanation of what people contains.

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  • how to modify this jquery syntax

    - by Gandalf StormCrow
    Hi all, this example below works when hover event is trigered and when its not, its working for elements already in DOM, but when element created dynamically it doesn't work, I realize I need to use jQuery live() or delegate() for this, the thing is I tried to modify it and its not producing the results as expected, here is the working code : $(".sidebar li").hover( function(){ $(this).css("background-color", "#F9F4D0"); $(this).append($('<button class="promoter" type="button" title="Active promotion"></button>')); }, function(){ $(this).css("background-color", "#F9FAFA"); $(this).children("button").remove(); } ); Here is the bit when I wanted to add live but it's not producing correct results : $(".sidebar li").live('hover', function(){ $(this).css("background-color", "#F9F4D0"); $(this).append($('<button class="promoter" type="button" title="Active promotion"></button>')); }, function(){ $(this).css("background-color", "#F9FAFA"); $(this).children("button").remove(); } ); Where did I made mistake, thank you

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  • restful way for deleting a bunch of items

    - by keisimone
    In wiki article for REST it is indicated that if you use http://example.com/resources DELETE, that means you are deleting the entire collection. If you use http://example.com/resources/7HOU57Y DELETE, that means you are deleting that element. I am doing a WEBSITE, note NOT WEB SERVICE. I have a list that has 1 checkbox for each item on the list. Once i select multiple items for deletion, i will allow users to press a button called DELETE SELECTION. If user presses the button, a js dialog box will popup asking user to confirm the deletion. if user confirms, all the items are deleted. So how should i cater for deleting multiple items in a RESTFUL way? NOTE, currently for DELETE in a webpage, what i do is i use FORM tag with POST as action but include a _method with the value DELETE since this is what was indicated by others in SO on how to do RESTful delete for webpage.

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  • How do I make these layers not overlap?

    - by Doug
    http://dougymak.com/jquery/test.html# I have three problems that I need help with. 1 ) When you click "More" on top right, it open a div #search and the background is being overlapped by the brown element below. I tried using z-index, but it didn't work. 2 ) I'm trying to make the div #search align directly beneath the "More", but upon setting the width of #search, it aligns to the left side. 3 ) When I hover over the navigation on the left, the popup is being overlapped by the text in the middle. I want the popup to be on top of the text.

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  • Why wont numpy matrix let me print its rows?

    - by uberjumper
    Okay this is probably a really dumb question, however its really starting to hurt. I have a numpy matrix, and basically i print it out row by row. However i want to make each row be formatted and separated properly. >>> arr = numpy.matrix([[x for x in range(5)] for y in range(5)]) >>> arr matrix([[0, 1, 2, 3, 4], [0, 1, 2, 3, 4], [0, 1, 2, 3, 4], [0, 1, 2, 3, 4], [0, 1, 2, 3, 4]]) Lets say i want to print the first row, and add a '|' between each element: >>> '|'.join(map(str, arr[0,])) '[[0 1 2 3 4]]' Err... >>> '|'.join(map(lambda x: str(x[0]), arr[0])) '[[0 1 2 3 4]]' I am really confused by this behavior why does it do this?

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  • jquery tabs dissapear when re-clicked

    - by tony noriega
    Here is my test page (dont mind the layout right now) https://www.bcidaho.com/test_kalyani/employer-plans-test.asp i found something weird. if you click back and forth between tab 1 and tab 2, its fine. if you click tab 3, and got to another tab, the content dissapears... and i can not figure out why??? I am boggled, and can not figure out why it does this.... is it a display:hide element in the CSS? here is a link to the CSS file: https://www.bcidaho.com/css/employer.css here is a link to the javascript files that i use: https://www.bcidaho.com/js/ui.toggle-employers.js https://www.bcidaho.com/js/tabbed-menu3.js

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  • Android: Access child views from a ListView

    - by lacker
    I need to find out the pixel position of one element in a list that's been displayed using a ListView. It seems like I should get one of the TextViews and then use getTop, but I can't figure out how to get a child view of a ListView. Thanks! Update: The children of the ViewGroup do not correspond 1-to-1 with the items in the list, for a ListView. Instead, the ViewGroup's children correspond to only those views that are visible right now. So getChildAt operates on an index that's internal to the ViewGroup and doesn't necessarily have anything to do with the position in the list that the ListView uses. :-/

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  • Override bits of a CSS class while inline?

    - by larryq
    I have an html img that is being styled by a CSS class. I would like to override the width and height values used in that class under some circumstances. I'm building this img tag using something called a TagBuilder class, provided by Microsoft for the .Net system, which allows developers to assign attributes to an html element. In this case a CSS class has been assigned to the img tag, and I can assign width and height attributes individually, but they're not taking precedence over the values set in the CSS class. My tag looks like this currently: <img alt="my link" class="static" height="240" id="StaticImage" src="http://imageserver.com/myImage.jpg" width="240"> The static CSS class has width and height values of 300 each, and as you can see I'm trying to override them with 240. It's not working in this instance but can I do it without a second CSS class?

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  • addEventListener gone after appending innerHTML

    - by Vishal Shah
    Okay, so i have the following html added to a site using javascript/greasemonkey. (just sample) *a id='abc'*HEllo*/a* *a id='xyz'*Hello*/a* (excuse me, i've had to replace the '<' '' with * since hyperlinks for new users aren't allowed!) and i've also added a click event listener for the elements. All works fine up to this point, the click event gets fired when i click the element. But... i have another function in the script, which upon a certain condition, modifies that html, ie it appends it, so it looks like: *a id='abc'*HEllo*/a* *a id='xyz'*Hello*/a* *a id='123'*Hello*/a* but when this is done, it breaks the listeners i added for the first two elements... nothing happens when i click them. if i comment out the call to the function which does the appending, it all starts working again! help please...

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  • custom validation does not seem to get registered.

    - by viet pham
    Hi, Inside a tab, I have a form that is dynamically loaded via ajax. Since the name of the field is dynamic too (e.g. ), I write a custom validation method inside the "on complete" like this. However, the custom code does not get executed (bolded alert never pops up) no matter what i try. $.ajax ( { url: 'index.php?func=trainingmgr&aAction=displayAddForm', type: 'GET', dataType: 'html', complete: function(req, err) { //Append response to the tab's body $(href, '#trainingTabs').append(req.responseText); $.validator.addMethod ( 'tRequired', function(value, element) { if(value == '') { **alert('I am empty');** return true; } else return false; }, '<br>Required field' ); $('#upload' + index).click ( function() { $('#addForm' + index).validate().numberOfInvalids(); } ); } } );

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  • Show only one validation error-message using replaceWith

    - by timkl
    I am currently working with the jQuery validation plugin, and I want to show only one error-message before the form itself. Right now the validation shows all the error-messages on top of each others as they stack up, as you can see in my live example: http://timkjaerlange.com/foobar/stack-stuff/validate-test.html This is my jQuery: $(document).ready(function() { $("form").validate({ rules: { // bunch of rules here, left out to keep it simple }, messages: { // messages goes here }, errorElement: 'div', errorClass: 'error', errorPlacement: function(error, element) { error.insertBefore('form'); // this is what I've got $('div').replaceWith(error); // trying to replace the prev error } }); }); Anybody know how to this? Is this the best way to show only one error-message? Any help is highly appreciated.

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  • Chrome Extension contenteditable get and set caret position

    - by jwize
    I am creating an extension where I need to insert a link into the gmail window. I am able to create a simple extension button in the top of the window and execute code that does replaces all the links. Now, I want to do add links in the contenteditable section as I type. It seems like there should be a simple way to replace text with a link in the document object model. If this is not true I need to do three things. Insert text from the current caret position Capture the caret position. Set the caret position by its offset. I have tried using window.getSelection within the gmail context(that is a body element that is set to contenteditable and embedded inside an iframe in the gmail tab) to get the current range and position. The selection is always empty and contains no ranges regardless of whether text is selected or not.

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  • XSD traversal in VIM

    - by maayank
    I use VIM as my text editor and I edit a lot of XML and WSDL files. WSDL files have an XSD section. Is there some VIM plugin I can use to traverse the XSD types? i.e., if I have the following line and the caret is where the '|' sign is: <xsd:element minOccurs="0" name="FooName" type="Magic|FooType"/> and I press Ctrl+Alt+Foo (or some other magic combo) it will get me to the definition of MagicFooType, i.e.: <xsd:complexType name="MagicFooType"> I couldn't find how to use ctags for this and all the other plugins that I could find are for imperative languages (i.e. Java). Is there some plugin/script to do the job?

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  • Get real image width and height with Javascript in Safari/Chrome?

    - by Frank Bannister
    I am creating a jQuery plugin. How do I get real image width and height with Javascript in Safari? Following works with Firefox 3, IE7 and Opera 9: var pic = $("img") // need to remove these in of case img-element has set width and height pic.removeAttr("width"); pic.removeAttr("height"); var pic_real_width = pic.width(); var pic_real_height = pic.height(); But in Webkit browsers like Safari and Google Chrome values are 0... Doing this on server side is not an option.

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  • Using css child selector

    - by David Thorisson
    I am trying to apply css on the first A element inside .Outer, .Outer > a:first-child {font-weight:bold} doesn't work. Why? <div class="Outer"> <img src='image123.jpg' /> <a href="Default.aspx?ID=4083" id="ctl00_CPH_Main_Rep_List2_ctl03_HyperLink1">John Johnsson</a> <a href="../Users/ViewList.aspx?module=Occupation&amp;ID=70">Doctor</a> <a href="../Workplaces/Default.aspx?ID=31">Mayo Clinica> </div>

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  • How does jQuery .data() work?

    - by kazanaki
    My Javascript knowledge is pretty limited. Instead of asking several javascript questions I got the "message" from Stack overflow and started using jQuery right away in order to save me some time. However several times I do not undestand the "magic" behind jQuery and I would love to learn the details. I want to use .data() in my application. The examples are very helpful. I do not understand however WHERE these values are stored. I inspect the webpage with Firebug and as soon as .data() saves an object to a dom element, I do not see any change in Firebug (either HTML or Dom tabs). I tried to look at jQuery source, but it is very advanced for my Javascript knowledge and I lost myself. So the question is: Where do the values stored by jQuery.data() actually go? Can I inspect/locate/list/debug them using a tool?

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  • Will news ticker using overflow:hidden cause Google to see site as spam?

    - by molipix
    In the hope of tempting Googlebot with fresh content, I've implemented a homepage news ticker which displays the 20 most recent headlines on our site. The implementation I have chosen is a <ul> with each headline being a <li> Initially all the <li> elements have no style but Javascript kicks in on page load and gives all but one of them a display="style:none" attribute. Javascript then displays each of the other 19 headlines in a loop. So far so good. However, in order to prevent a visually unplesant page load where the 20 items display and then immediately collapse, I am using overflow:hidden on the <ul> element. Anyone got a view on what Googlebot is likely to make of this? Does the fact that I'm using overflow:hidden make the content look like spam?

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  • What is a read only collection in C#?

    - by acidzombie24
    I ran a security code analyst i found myself having a CA2105 warning. I looked at the grade tampering example. I didnt realize you can assign int[] to a readonly int. I thought readonly was like the C++ const and makes it illegal. The How to Fix Violations suggest i clone the object (which i dont want to do) or 'Replace the array with a strongly typed collection that cannot be changed'. I clicked the link and see 'ArrayList' and adding each element one by one and it doesnt look like you can prevent something adding more. So when i have this piece of code what is the easiest or best way to make it a read only collection? public static readonly string[] example = { "a", "b", "sfsdg", "sdgfhf", "erfdgf", "last one"};

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  • Creating an array & outputting its code definition for preloading

    - by user422318
    I want to create a 2d array that represents my 2d canvas. For each pixel, I will look up the value and then save an integer {0, 1, 2, 3, 4} as each element of the array. Unfortunately, this takes way too friggin' long to run each time I load the game. How can I write a script that creates this array for me and outputs the array code so I can just paste it in a js file and have it preloaded? (I'm prototyping a game, so I just need to run this for my test map or two.)

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  • Forcing WCF proxy to generate an alias prefix

    - by Sean Campbell
    To comply with a clients schema, I've been attempting to generate a WCF client proxy capable of serializing down to a structure with a root node that looks like the following: <quote:request xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:quote="https://foo.com/services/schema/1.2/car_quote"> After some reading, I've had luck in updating the proxy to include the required 'quote' namespace through the use of XmlNameSpaceDeclarations and XmlSerializerNamespaces [System.SerializableAttribute()] [System.ComponentModel.DesignerCategoryAttribute("code")] public partial class request { [XmlNamespaceDeclarations()] public XmlSerializerNamespaces xmlsn { get { XmlSerializerNamespaces xsn = new XmlSerializerNamespaces(); xsn.Add("quote", "https://foo.com/services/schema/1.2/car_quote"); return xsn; } set { //Just provide an empty setter. } } ... which delivers: <request xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:quote="https://foo.com/services/schema/1.2/car_quote"> however I'm stumped as to how to generate the quote:request element. Environment: ASP.NET 3.5 Thanks

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  • How can I get read-ahead bytes?

    - by Bruno Martinez
    Operating systems read from disk more than what a program actually requests, because a program is likely to need nearby information in the future. In my application, when I fetch an item from disk, I would like to show an interval of information around the element. There's a trade off between how much information I request and show, and speed. However, since the OS already reads more than what I requested, accessing these bytes already in memory is free. What API can I use to find out what's in the OS caches? Alternatively, I could use memory mapped files. In that case, the problem reduces to finding out whether a page is swapped to disk or not. Can this be done in any common OS?

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  • Changing <img src="XXX" />, js event when new image has finished loading?

    - by carillonator
    I have a photo gallery web page where a single <img src="XXX" /> element's src is changed (on a click) with javascript to show the next image—a poor man's ajax I guess. Works great on faster connections when the new image appears almost immediately. Even if it takes a few seconds to load, every browser I've tested it on keeps the old image in place until the new one is completely loaded. It's a little confusing waiting those few seconds on a slow connection, though, and I'm wondering if there's some javascript event that fires when the new image is done loading, allowing me to put a little working... animated gif or something up in the meantime. I know I could use AJAX for real (I'm using jQuery already), but this is such a nice and simple solution. Besides this lag, is there any other reason I should stay away from this approach to changing images? thanks.

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  • Criteria hibernate

    - by apb
    my code session.createCriteria(Input.class); DateFormat format = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss"); Date startDate = (Date)format.parse("2005-01-01 00:00:00"); Date endDate = (Date)format.parse("2005-03-03 00:00:00"); crit.add(Expression.between ("inputDate", new Date(startDate.getTime()), new Date(endDate.getTime()))); This code return a list, but there is no element present in it. i think it doesn't match the condition. Anybody help.

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  • Why doesn't this html/css work in ie?

    - by hhj
    I am just trying to center a div on the page. It works in chrome but in i.e. the div is still on the left: <html> <head></head> <body> <div id="container" style="margin:0 auto; width:200px;"> test </div> </body> </html> Everything I've read has said that to center a block element, simply add margin:0 auto and specify a width, so I don't know why this isn't working. I am testing on IE 7.0.5730

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