Search Results

Search found 31578 results on 1264 pages for 'javascript functions'.

facebook twitter digg google delicious technorati stumbleupon myspace wordpress linkedin gmail igoogle windows live tumblr viadeo yahoo buzz yahoo mail yahoo bookmarks favorites email print

Page 544/1264 | < Previous Page | 540 541 542 543 544 545 546 547 548 549 550 551  | Next Page >

  • Haskell FlatMap

    - by mvid
    I am a beginner interested in Haskell, and I have been trying to implement the flatmap (=) on my own to better understand it. Currently I have flatmap :: (t -> a) -> [t] -> [a] flatmap _ [] = [] flatmap f (x:xs) = f x : flatmap f xs which implements the "map" part but not the "flat". Most of the modifications I make result in the disheartening and fairly informationless Occurs check: cannot construct the infinite type: a = [a] When generalising the type(s) for `flatmap' error. What am I missing?

    Read the article

  • Testing for existence using SELECT WHERE HAVING and NOT HAVING in a grouped subset

    - by IanC
    I have data on which I need to count +1 if a particular condition exists or another condition doesn't exist. I'm using SQL Server 2008. I shred the following simplified sample XML into a temp table and validate it: <product type="1"> <param type="1"> <item mode="0" weight="1" /> </param> <param type="2"> <item mode="1" weight="1" /> <item mode="0" weight="0.1" /> </param> <param type="3"> <item mode="1" weight="0.75" /> <item mode="1" weight="0.25" /> </param> </product> The validation in concern is the following rule: For each product type, for each param type, mode may be 0 & (1 || 2). In other words, there may be a 0(s), but then 1s or 2s are required, or there may be only 1(s) or 2(s). There cannot be only 0s, and there cannot be 1s and 2s. The only part I haven't figured out is how to detect if there are only 0s. This seems like a "not having" problem. The validation code (for this part): WITH t1 AS ( SELECT SUM(t.ParamWeight) AS S, COUNT(1) AS C, t.ProductTypeID, t.ParamTypeID, t.Mode FROM @t AS t GROUP BY t.ProductTypeID, t.ParamTypeID, t.Mode ), ... UNION ALL SELECT TOP (1) 1 -- only mode 0 & (1 || 2) is allowed FROM t1 WHERE t1.Mode IN (1, 2) GROUP BY t1.ProductTypeID, t1.ParamTypeID HAVING COUNT(1) > 1 UNION ALL ... ) SELECT @C = COUNT(1) FROM t2 This will show if any mode 1s & 2s are mixed, but not if the group contains only a 0. I'm sure there is a simple solution, but it's evading me right now. EDIT: I thought of a "cheat" that works perfectly. I added the following to the above: SELECT TOP (1) 1 -- only mode 0 & (null || 1 || 2) is allowed FROM t1 GROUP BY t1.ProductTypeID, t1.ParamTypeID HAVING SUM(t1.Mode) = 0 However, I'd still like to know how to do this without cheating.

    Read the article

  • UI suggestions on how to display suggested tags for a given text to a user?

    - by Danny
    I am writing a web-app that uses a tagging system to organize the user's submitted reports. Part of it uses ajax to get suggestions for tags to present to the user based on the content of their report. I am looking for suggestions on how to present this information for the user. I'm not quite certain what a friendly way to do this would be. Edit: Well, most of the responses here seem to be focused on the user typing in keywords. The idea I'm trying to define here is more towards presenting the user a set of suggested keywords that they may accept or decline without having to type a tag in manually. (That option is of course still available to them) --------------------------- # say they can checkoff or select tags they like. | o[tag2] x[foo] o[moo] | | x[tag1] o[bar] | ---------------------------

    Read the article

  • How can I convert seconds to minutes in jQuery while updating an element with the current time?

    - by pghtech
    So I see a number of ways to display allot of seconds in a (static) hr/min/sec. However, I am trying to produce a visual count down timer: $('#someelement').html(minCounter + ' minutes ' + ((secCounter == 0) ? '' : (secCounter + ' seconds'))); My counter is reduced inside a SetInterval that triggers ever 1 second: //....... var counter = redirectTimer; jQuery('#WarningDialogMsg').html(minCounter + ' minutes ' + ((secCounter == 0) ? '' : (secCounter + ' seconds'))); //........ SetInternval( function() { counter -= 1; secCounter = Math.floor(counter % 60); minCounter = Math.floor(counter / 60); //....... $('#someelement').html(minCounter + ' minutes ' + ((secCounter == 0) ? '' : (secCounter + ' seconds'))); }, 1000) It is a two minute counter but I don't want to display 120 seconds. I want to display 1 : 59 (and counting down). I have managed to get it to work using the above, but my main question is: is there a more elegant way to accomplish the above? (note: I am redirecting once "counter == 0").

    Read the article

  • 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.

    Read the article

  • jQuery Ajax form submit, to call php login script

    - by Stevie Jenowski
    Thanks for checking out my problem... I'm having trouble submitting a login form via Ajax for a php script to run and return a new set of html items which will be replacing the HTML in #userlinks.... heres what I have so far $("#login_form").submit(function() { return false; }); $('#login_button').click(function(event) { $form = $(this).parent("form"); $.post($form.attr("action"), $form.serialize(), function(data){ $('#userlinks').html(data); }); }); The php script checks for post data of username && password, yet all I'm getting is a page refresh and no changes. Nothing returns unless I turn login_button into a link and change the script a bit... Any help would be appreciated!

    Read the article

  • python interactive web data/forms/interface communicating with remote server

    - by decipher
    What's an efficient method (preferably simple as well) for communicating with a remote server and allowing the user to 'interact' with it (IE submit commands, user interface) via the web browser (IE a text box to input commands, and an text area for output, or various command-less abstracted interfaces)? I have the 'standalone' python code finished for communicating and working(terminal/console based right now). My primary concern is with re-factoring the code to suite the web, which involves establishing a connection (python sockets), and maintaining the connection while the user is logged on. some further details: currently using django framework for the basic back end/templates.

    Read the article

  • Why is this bookmarklet code saying jQuery is not defined even though jQuery is included?

    - by Josh Brown
    I am creating a bookmarklet and the code below is not working on first try. When I goto a page, it says "jQuery is not defined". But, if I click it again, it works perfectly? var qrcodetogo = { jQURL: 'http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js', jQUIURL: 'http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.1/jquery-ui.min.js', jQUIThemeURL: 'http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.1/themes/ui-lightness/jquery-ui.css', init: function(){ this.createLink('qrcodetogo_UI-Lightness', this.jQUIThemeURL); this.createScript('qrcodetogo_jQuery', this.jQURL); this.createScript('qrcodetogo_jQueryUI', this.jQUIURL); this.createHiddenDiv('qrcodetogo_dialog','This is a Test.'); jQuery.noConflict(); }, showQRCode: function() { jQuery('#qrcodetogo_dialog').dialog(); }, createLink: function(id, url) { var l = document.createElement('link'); l.href = url; l.rel = 'stylesheet'; l.type = 'text/css'; l.media = 'screen'; l.charset = 'utf-8'; document.getElementsByTagName('head')[0].appendChild(l); }, createScript: function(id, url) { var s = document.createElement('script'); s.src = url; s.id = id; document.getElementsByTagName('head')[0].appendChild(s); }, createHiddenDiv: function(id, body) { var div = document.createElement('div'); div.id = id; div.innerHTML = body; div.style.display = 'none'; document.getElementsByTagName('body')[0].appendChild(div) } } qrcodetogo.init(); qrcodetogo.showQRCode();

    Read the article

  • URL tracking functionality

    - by Mika H.
    I want my webpage to have two parts. The top part has a textbox. When the user types a URL into the textbox, the bottom part browses to the content of that URL. When the user clicks a link within the bottom part, the bottom part navigates to the new URL, and the textbox in the top part changes to the new URL. How can I do it? NOTE: This behavior is the same as in Google Translate (e.g. here), but without any translation.

    Read the article

  • Checkbox show error.

    - by Kyle Sevenoaks
    Hi, I need to make this show an error if the user tries to leave the page without checking this tickbox. It has no other use other than visual, is there a way to implement such a thing? <span> <input value="1" type="checkbox" name="salgsvilkar" ID="checkbox2" style="float:left;" onclick="document.getElementById('scrollwrap').style.cssText=' border-color:#85c222; background-color:#E5F7C7;';" /> <label for="checkbox2" class="akslabel"> Salgs og leveringsvilkår er lest og akseptert </label> </span> CSS is just for styling. Thanks.

    Read the article

  • get string from outside run programm

    - by Alex Berd
    Hello I have jsp page with text field and button. Also i have jar of another project. When i click on the button the MAIN.class of the jar is called and program is running in independent window(JFrame). After user is finished with the program and exits, I need to get the String of program that is generated on exit and paste it into the textbox (The String is HTML code) Is anyone else having this problem and has a solution? Thanks Alex

    Read the article

  • Any good jQuery plugins to awesomify my pagination?

    - by marcgg
    I have a basic pagination system that looks something like that: First | < Previous | 1, 2, [3], 4, 5 ... 100, 101, 102 | Next > | Last Nothing fancy really. I am looking at various plugins to improve the way the user would browse this, but so far I haven't found anything really new or interesting except: http://tympanus.net/jPaginate/ : interesting way of browsing between pages but still very classical in the realization http://cpojer.net/Scripts/Pagination/ : totally new way of doing pagination, but the implementation isn't perfect and it's not really usable. Do you guys have ideas on how I could improve the way my users browse through navigation? Are there any good jQuery plugins out there already doing that?

    Read the article

  • jQuery sortColumns plugin: How to sort correctly with rowspan

    - by Thang Pham
    Following this post jQuery table sort (github link: https://github.com/padolsey/jQuery-Plugins/blob/master/sortElements/jquery.sortElements.js), I am successfully sort columns, however it does not work in the case of rowspan: For example, case like this Grape 3,096,671M 1,642,721M Apple 2,602,750M 3,122,020M When I click on the second column, it try to sort Apple 2,602,750M 1,642,721M Grape 3,096,671M 3,122,020M which as you can see is not correct, please any jQuery guru help me fix this problem. Here is my code var inverse = false; function sortColumn(index){ index = index + 1; var table = jQuery('#resultsTable'); table.find('td').filter(function(){ return jQuery(this).index() == index; }).sortElements(function(a, b){ a = convertToNum($(a).text()); b = convertToNum($(b).text()); return ( isNaN(a) || isNaN(b) ? a > b : +a > +b ) ? inverse ? -1 : 1 : inverse ? 1 : -1; },function(){ return this.parentNode; }); inverse = !inverse; } function convertToNum(str){ if(isNaN(str)){ var holder = ""; for(i=0; i<str.length; i++){ if(!isNaN(str.charAt(i))){ holder += str.charAt(i); } } return holder; }else{ return str; } } Question: 1.How do I sort this with rowspan. THE NUMBER OF ROWSPAN IS NOT ALWAYS THE SAME. The above example both Grape and Apple have rowspan of 2, but this is not always the case. 2.Can any explain this syntax: return ( isNaN(a) || isNaN(b) ? a > b : +a > +b ) ? inverse ? -1 : 1 : inverse ? 1 : -1; So I can see that if either a or b is not a number, then do string comparison otherwise do number comparison, but I dont understand the inverse ? -1 : 1 : inverse ? 1 : -1;

    Read the article

  • Jquery Asp.net button disable

    - by oraclee
    Hi all; html code: <asp:Button runat="server" ID="btnTest" Text="Test" OnClick="btnTest_Click" /> Jquery Code: $('[id$=btnTest]').click(function(){ $('[id$=btnTest]').attr('disabled', 'true'); }); CodeBehind: protected void btnTest_Click(object sender, EventArgs e) { //here not come. } Code Behind btnTest event not work ?

    Read the article

  • jquery load function for small preview

    - by Hulk
    Preview:          In the following div i need to show a very small preview of a page.In order to do that what should be the css set to, When i use the following code below,the preview is very big.I need to show the preview with the size of the videos on you tube(as In suggestions tab) var url="/tools/display/" + param; $('#preview').css({"width" : "200px" , "height" : "10px" , "background-color" : "Black" , "position" : "fixed","display" : "inline" }); $("#preview").load(url); Thanks..

    Read the article

  • How to select the first property with unknown name from JSON and how to select first item from array

    - by Oscar Godson
    I actually have two questions, both are probably simple, but for some odd reason I cant figure it out... I've worked with JSON 100s of times before too! but here is the JSON in question: {"69256":{"streaminfo":{"stream_ID":"1025","sourceowner_ID":"2","sourceowner_avatar":"http:\/\/content.nozzlmedia.com\/images\/sourceowner_avatar2.jpg","sourceownertype_ID":"1","stream_name":"Twitter","streamtype":"Social media","appsarray":[]},"item":{"headline":"Charboy","main_image":"http:\/\/content.nozzlmedia.com\/images\/author_avatar173212.jpg","summary":"ate a tomato and avocado for dinner...","nozzl_captured":"2010-05-12 23:02:12","geoarray":[{"state":"OR","county":"Multnomah","city":"Portland","neighborhood":"Downtown","zip":"97205","street":"462 SW 11th Ave","latitude":"45.5219","longitude":"-122.682"}],"full_content":"ate a tomato and avocado for dinner tonight. such tasty foods. just enjoyable.","body_text":"ate a tomato and avocado for dinner tonight. such tasty foods. just enjoyable.","author_name":"Charboy","author_avatar":"http:\/\/content.nozzlmedia.com\/images\/author_avatar173212.jpg","fulltext_url":"http:\/\/twitter.com\/charboy\/statuses\/13889868936","leftovers":{"twitter_id":"tag:search.twitter.com,2005:13889868936","date":"2010-05-13T02:59:59Z","location":"iPhone: 45.521866,-122.682262"},"wordarray":{"0":"ate","1":"tomato","2":"avocado","3":"dinner","4":"tonight","5":"tasty","6":"foods","7":"just","8":"enjoyable","9":"Charboy","11":"Twitter","13":"state:OR","14":"county:Multnomah, OR","15":"city:Portland, OR","16":"neighborhood:Downtown","17":"zip:97205"}}}} Question 1: How do I loop through each item (69256) when the number is random? e.g. item 1 is 123, item2 is 646? Like, for example, a normal JSON feed would have something like: {'item':{'blah':'lorem'},'item':{'blah':'ipsum'}} the JS would be like console.log(item.blah) to return lorem then ipsum in a loop How do I do it when i dont know the first item of the object? Question 2: How do I select items from the geoarray object? I tried: json.test.item.geoarray.latitude and json.test.item.geoarray['latitude']

    Read the article

  • Need for prefixing a function with (void)...

    - by puffadder
    Hi All, I recently came across a rather unusual coding convention wherein the call for a function returning "void" is prefixed with (void). e.g. (void) MyFunction(); Is it any different from the function call like: MyFunction(); Has it got any advantage or is it yet another needless but there coding convention of some sort?

    Read the article

  • Backbone.js Collection Iteration Using .each()

    - by the_archer
    I've been doing some Backbone.js coding and have come across a particular problem where I am having trouble iterating over the contents of a collection. The line Tasker_TodoList.each(this.addOne, this);in the addAll function in AppView is not executing properly for some reason, throwing the error: Uncaught TypeError: undefined is not a function the code in question is: $(function() { var Todo = Backbone.Model.extend({ defaults: { title: "Some Title...", status: 0 //not completed } }); var TodoList = Backbone.Collection.extend({ model: Todo, localStorage: new Store('tasker') }); var Tasker_TodoList = new TodoList(); var TodoView = Backbone.View.extend({ tagName: 'li', template: _.template($('#todoTemplate').html()), events: { 'click .delbtn': 'delTodo' }, initialize: function(){ console.log("a new todo initialized"); //this.model.on('change', this.render, this); }, render: function(){ this.$el.html(this.template(this.model.toJSON())); return this; }, delTodo: function(){ console.log("deleted todo"); } }); var AppView = Backbone.View.extend({ el: 'body', events: { 'click #addBtn': 'createOnClick' }, initialize: function(){ Tasker_TodoList.fetch(); Tasker_TodoList.on('add', this.addAll); console.log(Tasker_TodoList); }, addAll: function(){ $('#tasksList').html(''); console.log("boooooooma"); Tasker_TodoList.each(this.addOne, this); }, addOne: function(todo){ console.log(todo); }, createOnClick: function(){ Tasker_TodoList.create(); } }); var Tasker = new AppView(); }); can somebody help me in finding out what I am doing wrong? Thank you all for your help :-)

    Read the article

  • jQuery and margin: 0 auto

    - by Trevor Burnham
    So, this is a problem that's been asked before, but I'm hoping we can lay it to rest: I'm using jQuery 1.4. If I define the style #obj { margin: 0 auto; } and then do $('#obj').css('marginLeft'); the result is the computed value in pixels. Is there any way to tell whether those pixels come from the auto calculation or not, without parsing document.styleSheets?

    Read the article

facebook twitter digg google delicious technorati stumbleupon myspace wordpress linkedin gmail igoogle windows live tumblr viadeo yahoo buzz yahoo mail yahoo bookmarks favorites email print

< Previous Page | 540 541 542 543 544 545 546 547 548 549 550 551  | Next Page >