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  • [CakePHP] I am so confused. What should I write in the default.ctp

    - by kwokwai
    Hi all, I am learning cakePHP, everything seems alright except that I am very confused of how to make use of the default.ctp and what should be put inside the Elements folder. Here is the default.ctp file that I have been using since my very first lesson on learning cakePHP: (I copied from this URL http://book.cakephp.org/view/96/Layouts) <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title><?php echo $title_for_layout?></title> <link rel="shortcut icon" href="favicon.ico" type="image/x-icon"> <!-- Include external files and scripts here (See HTML helper for more info.) --> <?php echo $scripts_for_layout ?> </head> <body> <!-- If you'd like some sort of menu to show up on all of your views, include it here --> <div id="header"> <div id="menu">...</div> </div> <!-- Here's where I want my views to be displayed --> <?php echo $content_for_layout ?> <!-- Add a footer to each displayed page --> <div id="footer">...</div> </body> </html> But the problem is that the layout will take effect to all web pages that I have created. Let's see the case that I have recently encountered. In one of the .ctp files, I need to use JQuery function and I need to ass some and tags in the .ctp file. Here are the and tags I used: <Script language="javascript"> $(document).ready(function() { // some functions here }); </Script> <style type="text/css"> { #toppage{ width:800px; } But when I followed the default.ctp file, I noticed that these tags (i.e. and ) happened to appear below the tag. As far as I know, the and self-defined Javascript functions should be put inside the tag of the HTML instead. I have considered to add the and in the default.ctp file, but then these codes would appear in every web pages instead of just a particular web page. Please help.

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  • Java Best Practice for type resolution at runtime.

    - by Brian
    I'm trying to define a class (or set of classes which implement the same interface) that will behave as a loosely typed object (like JavaScript). They can hold any sort of data and operations on them depend on the underlying type. I have it working in three different ways but none seem ideal. These test versions only allow strings and integers and the only operation is add. Adding integers results in the sum of the integer values, adding strings concatenates the strings and adding an integer to a string converts the integer to a string and concatenates it with the string. The final version will have more types (Doubles, Arrays, JavaScript-like objects where new properties can be added dynamically) and more operations. Way 1: public interface DynObject1 { @Override public String toString(); public DynObject1 add(DynObject1 d); public DynObject1 addTo(DynInteger1 d); public DynObject1 addTo(DynString1 d); } public class DynInteger1 implements DynObject1 { private int value; public DynInteger1(int v) { value = v; } @Override public String toString() { return Integer.toString(value); } public DynObject1 add(DynObject1 d) { return d.addTo(this); } public DynObject1 addTo(DynInteger1 d) { return new DynInteger1(d.value + value); } public DynObject1 addTo(DynString1 d) { return new DynString1(d.toString()+Integer.toString(value)); } } ...and similar for DynString1 Way 2: public interface DynObject2 { @Override public String toString(); public DynObject2 add(DynObject2 d); } public class DynInteger2 implements DynObject2 { private int value; public DynInteger2(int v) { value = v; } @Override public String toString() { return Integer.toString(value); } public DynObject2 add(DynObject2 d) { Class c = d.getClass(); if(c==DynInteger2.class) { return new DynInteger2(value + ((DynInteger2)d).value); } else { return new DynString2(toString() + d.toString()); } } } ...and similar for DynString2 Way 3: public class DynObject3 { private enum ObjectType { Integer, String }; Object value; ObjectType type; public DynObject3(Integer v) { value = v; type = ObjectType.Integer; } public DynObject3(String v) { value = v; type = ObjectType.String; } @Override public String toString() { return value.toString(); } public DynObject3 add(DynObject3 d) { if(type==ObjectType.Integer && d.type==ObjectType.Integer) { return new DynObject3(Integer.valueOf(((Integer)value).intValue()+((Integer)value).intValue())); } else { return new DynObject3(value.toString()+d.value.toString()); } } } With the if-else logic I could use value.getClass()==Integer.class instead of storing the type but with more types I'd change this to use a switch statement and Java doesn't allow switch to use Classes. Anyway... My question is what is the best way to go about something thike this?

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  • why do i need to do html.encode()

    - by ooo
    if i have a user entering data into a rich text editor and submitting data that i am storing into a database and then retrieving to show on other dynamic web pages, why do i need encoding here. Is the only reason because someone might paste javascript into the rich text editor? is there any other reason ?

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  • Disable the postback on an <ASP:LinkButton>

    - by y0mbo
    I have an ASP.NET linkbutton control on my form. I would like to use it for javascript on the client side and prevent it from posting back to the server. (I'd like to use the linkbutton control so I can skin it and disable it in some cases, so a straight up tag is not preferred). How do I prevent it from posting back to the server?

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  • Detect if HTTP request is from browser / Flex asynchronous request?

    - by Andree
    Hi there! When Flex application make an asynchronus HTTP request, does it add a special header to the request, like some JavaScript framework does? Something that indicates whether this request is an AJAX call/not. I just want my server side code to return different response format, depending on whether the request is made from browser/flex. Regards, Andree.

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  • Writing a string which contains " "

    - by dotnetdev
    I have a string from an xml document: <title type="html"> Is there a way for me to write this string like "<title type="html">"? I've had similar problems writing javascript as a string but I did see some solutions in the past (which I can't remember)? Thanks

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  • coffee scrip layzy function implementation

    - by bbz
    I would like to something like this in JavaScript var init = function () { // do some stuff once var once = true // overwrite the function init = function () { console.log(once) } } CoffeeScript adds another local var init to the initial init so the second init doesn't overwrite the first one var init = function () { var init //automatically declared by coffeescript // do some stuff once var once = true // overwrite the function init = function () { console.log(once) } } Some tips for solutions / workarounds would be greatly appreciated.

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  • openDatabase Hello World

    - by cf_PhillipSenn
    I'm trying to learn about openDatabase, and I think this I'm getting it to INSERT INTO TABLE1, but I can't verify that the SELECT * FROM TABLE1 is working. <html> <head> <script src="http://www.google.com/jsapi"></script> <script type="text/javascript"> google.load("jquery", "1"); </script> <script type="text/javascript"> var db; $(function(){ db = openDatabase('HelloWorld'); db.transaction( function(transaction) { transaction.executeSql( 'CREATE TABLE IF NOT EXISTS Table1 ' + ' (TableID INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT, ' + ' Field1 TEXT NOT NULL );' ); } ); db.transaction( function(transaction) { transaction.executeSql( 'SELECT * FROM Table1;',function (transaction, result) { for (var i=0; i < result.rows.length; i++) { alert('1'); $('body').append(result.rows.item(i)); } }, errorHandler ); } ); $('form').submit(function() { var xxx = $('#xxx').val(); db.transaction( function(transaction) { transaction.executeSql( 'INSERT INTO Table1 (Field1) VALUES (?);', [xxx], function(){ alert('Saved!'); }, errorHandler ); } ); return false; }); }); function errorHandler(transaction, error) { alert('Oops. Error was '+error.message+' (Code '+error.code+')'); transaction.executeSql('INSERT INTO errors (code, message) VALUES (?, ?);', [error.code, error.message]); return false; } </script> </head> <body> <form method="post"> <input name="xxx" id="xxx" /> <p> <input type="submit" name="OK" /> </p> <a href="http://www.google.com">Cancel</a> </form> </body> </html>

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  • Faster alternative to Python's SimpleHTTPServer

    - by Drew Noakes
    Python's SimpleHTTPServer is a great way of serve the contents of the current directory from the command line: python -m SimpleHTTPServer However, as far as web servers go, it's very slooooow... It behaves as though it's single threaded, and occasionally causes timeout errors when loading JavaScript AMD modules using RequireJS. It can take five to ten seconds to load a simple page with no images. What's a faster alternative that is just as convenient?

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  • Is there a summary of differences in rendering/behavior between QtWebKit and Chrome/Safari WebKit?

    - by Gil
    I wrote a simple Qt application (Windows+Mac) that uses QtWebKit to render a web site inside a window. But I already saw differences in layout and behavior between our app and Chrome (that uses WebKit as well), e.g.: - different fonts are displayed for the same web page - an html anchor link with "javascript:someFunction()" is not working Is there somewhere a summary list of all such differences (not the entire QtWebKit bug list)? Also: is there a way to use a WebKit version more similar to Chrome in my application?

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  • How and what benefit i can take from included Sizzle.js along with jquery 1.4.2?

    - by metal-gear-solid
    latest jquery 1.4.2 downloaded from jquery.com comes with Sizzle.js also. How and what benefit i can take from included Sizzle.js? /*! * jQuery JavaScript Library v1.4.2 * http://jquery.com/ * * Copyright 2010, John Resig * Dual licensed under the MIT or GPL Version 2 licenses. * http://jquery.org/license * * Includes Sizzle.js * http://sizzlejs.com/ * Copyright 2010, The Dojo Foundation * Released under the MIT, BSD, and GPL Licenses. * * Date: Sat Feb 13 22:33:48 2010 -0500 */

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  • C# equivalent of NaN or IsNumeric

    - by johnc
    This seems like a fairly simple question, and I'm surprised not to have required it before. What is the most efficient way of testing a string input is a numeric (or conversely Not A Number). I guess I can do a Double.Parse or a regex (see below) public static bool IsNumeric(this string value) { return Regex.IsMatch(value, "^\\d+$"); } but I was wondering if there was a implemented way to do it, such as javascript's NaN() or IsNumeric() (was that VB, I can't remember).

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  • Select CSS based on multiple classes

    - by Stacey
    I have a style rule I want to apply to a tag when it has TWO styles. Is there any way to perform this without javascript? In other words.. <li class='left ui-class-selector'> I want to select only if the li has both 'left' and 'ui-class-selector' classes applied.

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  • Browser compatibility jQuery UI dialog

    - by Brian
    I have a jQuery Dialog box on one of my pages. One of the buttons in the dialog boxes triggers a JavaScript prompt OnClick. Everything seems OK with the lastest versions of Internet Explorer, Chrome, and Mozilla Firefox, but some users are reporting weird behavior. Are there any known browser compatibility errors with jQuery UI dialog boxes?

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  • Given this demo, How do I make HTML content area fit to viewport height?

    - by viatropos
    I just made this demo extracting out what I'm trying to accomplish: Autosize Main Content Area I want the pink/yellow area to act according to these rules: Minimum height is the size of its content (which is variable) IF content size is smaller than viewport size Otherwise minimum height is such that it adjusts to fill the window. Checking out the source to that demo, what am I missing? I feel like this is a pretty easy case that shouldn't require javascript. Any ideas?

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  • boostrap 3.1.1 navbar - toggle button does not appear on page

    - by PST
    I am trying to use bootstrap nav bar with toggle functionality. With sample code as below, my page is not showing toggle button on the header bar. NavHeader (NavBarMenuCaption) and 1st menu item appears on the same line. Bootply link http://www.bootply.com/123050# what could be wrong in below code? <!DOCTYPE html> <html> <head> <title>Bootstap menu demo</title> <link rel="stylesheet" href="vendor/bootstrap-3.1.1-dist/css/bootstrap.min.css"> </head> <body> <h2>This is bootstap navbar demo</h2> <nav class="navbar navbar-default"> <div class="navbar-header"> <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#example-navbar-collapse"> <span class="sr-only">Toggle navigation</span> <span class="icon-bar">-</span> <span class="icon-bar">-</span> <span class="icon-bar">-</span> </button> <a class="navbar-brand" href="#">NavBarMenuCaption</a> </div> <div class="navbar-collapse collapse" id="example-navbar-collapse"> <ul class="nav nav-pills nav-stacked"> <li ><a href="#">Home</a></li> <li class="active"><a href="#">About</a></li> <li><a href="#">Products</a></li> <li><a href="#">Contact</a></li> </ul> </div> </nav> <script type="text/javascript" src="vendor/jquery-2.1.0/jquery-2.1.0.min.js"></script> <script type="text/javascript" src="vendor/bootstrap-3.1.1-dist/js/bootstrap.min.js"></script> </body>

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  • jquery popup image

    - by sam
    Hello Folks., I am looking for jquery script of popping up an image onmouseover.. i did this using javascript but it is not browser supportive.. so looking for jquery script.. Thanks

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  • how to store a 2D game world in mysql

    - by monthon1
    I am making a 2D game in javascript/ajax, that will be using data stored in mysql database. Every user have got his own "area" made of small squares that can have some values. But I have no idea, how to store values of each square in mysql, when each user can have area with different width or height. Do you have some idea?

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  • On what platform did these popular programming languages originate?

    - by speciousfool
    Perhaps you know the story of HTTP and HTML being developed on a NeXT computer. I am curious which platform served as the first home for these programming languages: Ada C C++ C# D Erlang Fortran Haskell Java Javascript Lisp Logo MATLAB ML Perl PHP Prolog Python R Ruby Scheme SQL Smalltalk I thought it might be interesting to reflect on how the machine and operating environment lead to different design decisions. Or to see if some architecture or operating system variant was particularly fruitful for programming language development. A question for the historians among us.

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  • Trigger user control post back from client side

    - by Narmatha Balasundaram
    Can a post back to the user control be triggered from javascript (on the client side) without updatepanels? What I am trying to achieve is this Initially the page and the user control are loaded with default values The parent pages makes a PageMethod request When the data is available (from the PageMethod request), the user control has to be reloaded to update with the new values

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  • How much languages is "recommended" for a dynamic website?

    - by user345690
    When constructing a website, say a Q&A site or a just a forum site for a community, is just knowing HTML,CSS,PHP, MySQL, and javascript enough to make the site dynamic? I am saying this because when I talked with my teacher, he said that major sites use many languages combined. And he said that a site shouldn't be designed only in PHP. So is it possible to create a good website, not e-commerce, with only html,css, and php?

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  • How do I use Ruby metaprogramming to refactor this common code?

    - by James Wenton
    I inherited a project with a lot of badly-written Rake tasks that I need to clean up a bit. Because the Rakefiles are enormous and often prone to bizarre nonsensical dependencies, I'm simplifying and isolating things a bit by refactoring everything to classes. Specifically, that pattern is the following: namespace :foobar do desc "Frozz the foobar." task :frozzify do unless Rake.application.lookup('_frozzify') require 'tasks/foobar' Foobar.new.frozzify end Rake.application['_frozzify'].invoke end # Above pattern repeats many times. end # Several namespaces, each with tasks that follow this pattern. In tasks/foobar.rb, I have something that looks like this: class Foobar def frozzify() # The real work happens here. end # ... Other tasks also in the :foobar namespace. end For me, this is great, because it allows me to separate the task dependencies from each other and to move them to another location entirely, and I've been able to drastically simplify things and isolate the dependencies. The Rakefile doesn't hit a require until you actually try to run a task. Previously this was causing serious issues because you couldn't even list the tasks without it blowing up. My problem is that I'm repeating this idiom very frequently. Notice the following patterns: For every namespace :xyz_abc, there is a corresponding class in tasks/... in the file tasks/[namespace].rb, with a class name that looks like XyzAbc. For every task in a particular namespace, there is an identically named method in the associated namespace class. For example, if namespace :foo_bar has a task :apples, you would expect to see def apples() ... inside the FooBar class, which itself is in tasks/foo_bar.rb. Every task :t defines a "meta-task" _t (that is, the task name prefixed with an underscore) which is used to do the actual work. I still want to be able to specify a desc-description for the tasks I define, and that will be different for each task. And, of course, I have a small number of tasks that don't follow the above pattern at all, so I'll be specifying those manually in my Rakefile. I'm sure that this can be refactored in some way so that I don't have to keep repeating the same idiom over and over, but I lack the experience to see how it could be done. Can someone give me an assist?

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