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• Which CMS to use?

  - by Hastings

  I need to create a web (or non-web) system where a user can create a template layout with tags and placeholders for elements. They could then add new pages to this template. My system would need to pick up any elements that have changed and create an XML of the tagged content. I was just wondering what would be the best CMS or any other software I could use to implement this?

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• jquery draggable throws error when 'mouseup' is triggered

  - by Moustard

  If you build a simple dragger: $(document).ready( function() { $('#tomove').draggable( { axis: 'x', drag: function(event, ui) { mouseUp(); } }); } ); And you try to stop it programmatically: function mouseUp() { if($('#tomove').offset().left 400) { $('#tomove').trigger('mouseup'); } } You will get this message in error console: this.helper is null Is there any way to fix this? Thanks for your help.

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• JavaScript Calculation [closed]

  - by NOBBY

  calculate the difference in array using a looping structure without a sorting function

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• Having trouble with Flash, Javascript and JQuery

  - by andypants

  I'm using JQuery with the JQuery flash plugin (http://jquery.lukelutman.com/plugins/flash/) and trying to send a JS call back to the flash, I keep running into "xxx is not a function" so apparently something is off. I'm new to JQuery and very new to this jquery flash plugin and just can't quite wrap my head around what I am doing wrong. Here's where I'm lading up the flash: <div id="tagimgback"> <script language="javascript"> $(document).ready(function(){ $('#tagflash').flash( { src: 'tagflash', width: 200, height: 200, flashvars: {theYear:'2010',theTagNumber:'123'} }, { version: 8 } ); }); </script> </div> And here's where I'm trying to call it: $("#tagflash").gotoNewFrame(theTagNumber); gotoNewFrame is an AS function within my flash. I know the function works as I've been able to test it prior to bringing jQuery into the mix.

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• What happens with $q.all() when some calls work and others fail?

  - by Alan

  What happens with $q.all() when some calls work and others fail? I have the following code: var entityIdColumn = $scope.entityType.toLowerCase() + 'Id'; var requests = $scope.grid.data .filter(function (rowData, i) { return !angular.equals(rowData, $scope.grid.backup[i]); }) .map(function (rowData, i) { var entityId = rowData[entityIdColumn]; return $http.put('/api/' + $scope.entityType + '/' + entityId, rowData); }); $q.all(requests).then(function (allResponses) { //if all the requests succeeded, this will be called, and $q.all will get an //array of all their responses. console.log(allResponses[0].data); }, function (error) { //This will be called if $q.all finds any of the requests erroring. var abc = error; var def = 99; }); When all of the $http calls work then the allResponses array is filled with data. When one fails the it's my understanding that the second function will be called and the error variable given details. However can someone help explain to me what happens if some of the responses work and others fail?

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• jquery elements by class

  - by tom

  Hi there im trying to get all dropdown lists by class and change their names, my code is not working, is there something i am missing? $(document).ready(function () { $('.mutuallyexclusive').live("click", function () { checkedState = $(this).attr('checked'); $('.mutuallyexclusive:checked').each(function () { $(this).attr('checked', false); $(this).attr('name', 'chk'); }); $(this).attr('checked', checkedState); if (checkedState) { var prev = $(this).prev('select').attr("name", 'cat.parent_id'); elements = $('select.selected'); elements.each(function () { $(this).attr("name", "bbb"); }); } else { var prev = $(this).prev('select').attr("name", 'dd'); } }); });

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• What are the differences in performance between synchronous and asynchronous JavaScript script loading?

  - by jasdeepkhalsa

  My question is simply: what are the differences in performance between synchronous and asynchronous JavaScript script loading? From what I've gathered synchronous code blocks the loading of a page and/or rest of the code from executing. This happens at two levels. First, at the level of the script actually loading, and secondly, within the JavaScript code itself. For example, on the page: Synchronous: <script src="demo_async.js" type="text/javascript"></script> Asynchronous: <script async src="demo_async.js" type="text/javascript"></script> And within a script: Synchronous: function a() {alert("a"); function b() {alert("b");}} Asynchronous (and self-executing): (function(a, function(b){ alert(b); }) { alert(a); }))(); So what really is the difference in performance from using these different loading methods and JavaScript patterns?

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• Getting url of images given a word in PHP

  - by DomingoSL

  Hello, im developing a program who change his background image in function of the trending topics of twitter. So i have a function who return me a word (first TT on twitter), then i need another function that give me a url of an image relative to that word, like google images when you search or flickr. Do you know how to do this? or even better, do you have a php script made?

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• Having an issue wit mouseup event

  - by user3680715

  Hello everyone I have this code working fine but I want the script to stop on the mouse up event. Here is an example of what I have now. How can I stop the script on mouse up event so that it looks like it only shows the coordinates when dragging over the image. Thank you! http://jsfiddle.net/Hc7x4/20/ $(document).ready(function () { $("#map-catcher").mousedown(function (e) { $("#map-catcher").mousemove(function (e) { $("#coord").text("x:"+e.offsetX+", y:"+e.offsetY); return; }); $("#map-catcher").mouseup(function (e) { return; }); }); });

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• base pointer to derived class

  - by Jay

  Suppose there are Base class and Derived class. Base *A = new Base; Here A is a pointer point to Base class, and new constructs one that A points to. I also saw Base *B = new Derived; How to explain this? B is a pointer to Base Class, and a Derived class constructed and pointed by B? If there is a function derived from Base class, say, Virtual void f(), and it's been overridden in Derived class, then B->f() will invoke which version of the function? version in Base class, or version that overridden in Derived Class. What if there is a new function void g()in Derived, is B->g() going to invoke this function properly? One more is, is int *a = new double; or int *a = new int; legal?

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• Difficulty with jQuery and input keydown event

  - by Rosarch

  I am making a simple JavaScript enhanced list. I want it to be a list of inputs, each with an 'Add' and 'Remove' button. If the user clicks 'Add', a new li will be added. If the user clicks 'Remove', that li will be removed. It works fine, except for hitting "enter" in an <input>. Currently, it always causes the Remove.click event handler to fire, unless there's only one item in the list. I'm not sure why. How can I suppress this? Here is the complete jQuery. My attempt to fix the "enter" issue is commented out, and it doesn't work. I suspect that I could be designing this code better; if you see an improvement I'd love to hear it. function make_smart_list(list) { var ADD_CLASS = 'foo-widget-Add'; var REMOVE_CLASS = 'foo-widget-Remove'; var jq_list = $(list); jq_list.parents('form').submit(function() { return false; }); function refresh_handlers() { jq_list.find(sprintf('.%s, .%s', REMOVE_CLASS, ADD_CLASS)).unbind('click'); // jq_list.find('input').unbind('submit'); // // jq_list.find('input').submit(function() { // var jq_this = $(this); // var next_button = jq_this.nextAll('button'); // if (next_button.hasClass(ADD_CLASS)) { // next_button.nextAll('button').click(); // return; // } // // if (next_button.hasClass(REMOVE_CLASS)) { // return false; // } // // }); jq_list.find("." + REMOVE_CLASS).click(function() { var jq_this = $(this); jq_this.parent().remove(); refresh_handlers(); return false; }); jq_list.find("." + ADD_CLASS).click(function() { var jq_this = $(this); if (jq_this.prevAll('input').val() == '') { return; } jq_this.parent().clone().appendTo(jq_this.parent().parent()); jq_this.parent().next().find('input').val('').focus(); jq_this.removeClass(ADD_CLASS).addClass(REMOVE_CLASS); jq_this.text('Remove'); refresh_handlers(); return false; }); } refresh_handlers(); } (sprintf is another script I have.)

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• function_exists php

  - by user527800

  Hi all I'm trying to write a function that could receive it's second arg a name of a function. In order to validate function's name (that will be used in an eval statement) I use function_exists such as: if(function_exists($type)){ $toEval= $type.'(\''.$file.'\');'; }else{ But if the arg sent is include or require (with 'once' variations) this code fails (function_exists returns false). How could this be fixed? Thanks, Alex

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• JQuery - Widget Public Methods

  - by Steve

  If I create a JQuery widget (code example below), and then define a "public" method, is there any other way to call the method other than using the following form? $("#list").list("publicMethod"); I would like to create a series of widgets that all define the same methods (basically implementing the same interface), and be able to call the method without knowing anything about which widget I currently am invoking the method on. In the current form, I need to know that I am executing the method on the "list" widget. Below is an example of creating a widget with the "public" method. (function($) { var items = []; var itemFocusIdx = 0; $.widget("ui.list", { // Standard stuff options : { ... }, _create : function() { ... }, destroy : function() { ... }, // My Public Methods publicMethod : function() { ... } ... }); }(jQuery));

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• Python - How can I make this code asynchronous?

  - by dave

  Here's some code that illustrates my problem: def blocking1(): while True: yield 'first blocking function example' def blocking2(): while True: yield 'second blocking function example' for i in blocking1(): print 'this will be shown' for i in blocking2(): print 'this will not be shown' I have two functions which contain while True loops. These will yield data which I will then log somewhere (most likely, to an sqlite database). I've been playing around with threading and have gotten it working. However, I don't really like it... What I would like to do is make my blocking functions asynchronous. Something like: def blocking1(callback): while True: callback('first blocking function example') def blocking2(callback): while True: callback('second blocking function example') def log(data): print data blocking1(log) blocking2(log) How can I achieve this in Python? I've seen the standard library comes with asyncore and the big name in this game is Twisted but both of these seem to be used for socket IO. How can I async my non-socket related, blocking functions?

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• MDF and LDF Files size

  - by Nazim

  I was wondering if there was any recommended max size for MDF and/or LDF Files for an SQL server instance. For example, if I want to create a 400 GBytes Database, is there a rule to help me decide how many mdf files I should create ? or should I just go ahead and create a single gigantic 400Gbytes mdf file? If so is this going to somehow affect the database performances ?

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• EXC_BAD_ACCESS iPhone Development

  - by gkres121

  Sorry, this could be a simple fix, as I am new to iPhone Development. In my Delegate, after pressing the create profile button, the create profile view is pushed: -(void) createProfile_clicked:(id)sender { AddNewProfile *create = [[AddNewProfile alloc] init]; [self.window addSubview:create.view]; [self invisibleCreateProfileBar]; AddNewProfile *controller = [[AddNewProfile alloc] initWithNibName:@"AddNewProfile" bundle:[NSBundle mainBundle]]; [ self.navigationController pushViewController:controller animated:YES ]; currentController=controller; } Then in the AddNewProfile.m: - (IBAction)backgroundTap:(id)sender { if([nameField isFirstResponder]){ [nameField resignFirstResponder]; } if([ageField isFirstResponder]){ [ageField resignFirstResponder]; } if([doctorNameField isFirstResponder]){ [doctorNameField isFirstResponder]; } if([doctorNumberField isFirstResponder]){ [doctorNumberField resignFirstResponder]; } } This leads to a exc_bad_access error every time the FirstResponder is ever messed with, with any of my controls. I can select a control(text box), but once I click out of one, it crashes. Any help would be greatly appreciated.

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• closure not working

  - by dorelal

  var Dog = function() { var _instance = 'hello world'; return function() { console.log(this._instance); } } (); //note that it is self invoking function var l = new Dog(); //#> undefined In the above case I was expecting output of 'hello world'. Why this._instance is not accessing the the varible which should be accessible by virtue of closure. I tested this in FF and am getting undefined.

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• how to get the content of iframe in a php variable? [closed]

  - by Sahil

  My code is somewhat like this: <?php if($_REQUEST['post']) { $title=$_REQUEST['title']; $body=$_REQUEST['body']; echo $title.$body; } ?> <script type="text/javascript" src="texteditor.js"> </script> <form action="" method="post"> Title: <input type="text" name="title"/><br> <a id="bold" class="font-bold"> B </a> <a id="italic" class="italic"> I </a> Post: <iframe id="textEditor" name="body"></iframe> <input type="submit" name="post" value="Post" /> </form> the texteditor.js file code is: $(document).ready(function(){ document.getElementById('textEditor').contentWindow.document.designMode="on"; document.getElementById('textEditor').contentWindow.document.close(); $("#bold").click(function(){ if($(this).hasClass("selected")) { $(this).removeClass("selected"); }else { $(this).addClass("selected"); } boldIt(); }); $("#italic").click(function(){ if($(this).hasClass("selected")) { $(this).removeClass("selected"); }else { $(this).addClass("selected"); } ItalicIt(); }); }); function boldIt(){ var edit = document.getElementById("textEditor").contentWindow; edit.focus(); edit.document.execCommand("bold", false, ""); edit.focus(); } function ItalicIt(){ var edit = document.getElementById("textEditor").contentWindow; edit.focus(); edit.document.execCommand("italic", false, ""); edit.focus(); } function post(){ var iframe = document.getElementById("body").contentWindow; } actualy i want to fetch data from this texteditor (which is created using iframe and javascript) and store it in some other place. i'm not able to fetch the content that is entered in the editor (i.e. iframe here). please help me out of this....

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• Check for changes with jquery and a database

  - by Steve

  I am doing a notification system. When a new post is published, users will be notified immediately by an small notification on the screen. I am currently using this: setInterval(function(){ checkForChanges(); }, 2*1000); function checkForChanges(){ $.post("http://"+ document.domain + "/posts/checkForChanges/", function(dat){ if(dat>0){ .... /*create notification*/ } }); } And i was wondering if this is the correct way to do it or not. Because, this is calling a PHP function every 2 seconds and making a query to the database. In case there are no new changes, it won't do anything... Thanks.

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• jQuery scrollTop - animation stucks at the end of moving

  - by mobsteady

  i use jquery the scrollTop function to get my scrolling smooth while switching between different anchors. first, here is the url the problem this is my jquery script "ziel" is just the german word for "target", just to let you know why this variable is called "ziel" $(document).ready(function() { $('a[href*=#]').bind("click", function(event) { event.preventDefault(); var ziel = $(this).attr("href"); $('#portraitcontent').animate({ scrollTop: $(ziel).offset().top }, 3000 , function (){location.hash = ziel;}); }); return false; }); so how do i get a smooth scrolling without that ugly jumping at the end of the animation? any ideas? i really don't know what to do. spending hours with that bitch! thanks for your advices!

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• Is this a safe way to reference objects in JavaScript?

  - by John

  If I were to define two objects myDataStore and myDrawer something like this: var myDataStore = function(myObjectRef) { this.myInternalObject = myObjectRef; }; var myDrawer = function(myObjRef) { this.myInternalObject = myObjectRef; }; And if I were to create an object like so: (function(){ var myObject = window.myObject = function(){ this.dataStore = new myDataStore(this); this.drawer = new myDrawer(this); } })(); Then myObject.dataStore.myInternalObject, and myObject.drawer.myInternalObject, would simply be pointers back to the original 'myObject' - not taking up any additional memory in the browser. Yes? I am interested in implementing techniques like this - as it makes it easy for objects to communicate with each other.

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• How to find where error is.

  - by gurugio

  How can I find where the error occurs? In C language, the return value means what error occurs, such as failure to open file or memory allocation. There is no information where the error occurs. For example, function 'foo' calls A,B,C,D. If foo returns an error value, it might be return value of A or B or C or D. I cannot find what function returns error. I have to run debugger or add some codes to find what function returns error.

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• Best Practice for loading non-existent data

  - by Aizotu

  I'm trying to build a table in MS SQL 2008, loaded with roughly 50,000 rows of data. Right now I'm doing something like: Create Table MyCustomData ( ColumnKey Int Null, Column1 NVarChar(100) Null, Column2 NVarChar(100) Null Primary Key Clustered ( ColumnKey ASC ) WITH ( PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON ) ) CREATE INDEX IDX_COLUMN1 ON MyCustomData([COLUMN1]) CREATE INDEX IDX_COLUMN2 ON MyCustomData([COLUMN2]) DECLARE @MyCount Int SET @MyCount = 0 WHILE @MyCount < 50000 BEGIN INSERT INTO MyCustomData (ColumnKey, Column1, Column2) Select @MyCount + 1, 'Custom Data 1', 'Custom Data 2' Set @MyCount = @MyCount + 1 END My problem is that this is crazy slow. I thought at one point I could create a Select Statement to build my custom data and use that as the datasource for my Insert Into statement. i.e. something like INSERT INTO MyCustomData (ColumnKey, Column1, Column2) From (Select Top 50000 Row_Count(), 'Custom Data 1', 'Custom Data 2') I know this doesn't work, but its the only thing I can show that seems to provide an example of what I'm after. Any suggestions would be greatly appriciated.

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• If item not in the lst in scheme

  - by ms. sakura

  I'm working on context-free grammars, and I have a function that returns the (terminal values of grammar) for example: i have non-terminal function that results in (A B) , from calling say ((A cat) (B happy np) (A B sad)) so technically A and B are non terminals of the grammar. Now I want to be able to get the terminals (cat happy np sad) (define terminals (lambda (lsts) (cond ((null? lsts) lsts) ((not(member? (car(car lsts)) (n-terminals lsts))) (cons (car(car lsts)) (terminals (car (cdr lsts))))) (else (terminals (cdr lsts)))))) PS: functionality of n-terminals is described above. member? is a boolean function that returns true if an item is a member of the list, false otherwise. My function returns an empty lst. What am I missing here?

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• Getting Results from a Web SQL database

  - by andrew8088

  I'm playing around with the new Web SQL databases. Is there a way to return results from a SELECT statement? Here's my example: function getTasks (list) { db.transaction(function (tx) { list = list || 'inbox'; tx.executeSql("SELECT * FROM tasklist WHERE list = ?", [list], function (tx, results) { var retObj = [], i, len = results.rows.length; for ( i = 0; i < len; i++ ) { retObj[i] = results.rows.item(i); } return retObj; }); }); } The getTasks function is returning before the success callback does; is there a way to get the results out of the executeSql method, or do I have to do all the processing within the callback?

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