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• optimized search using ajax and keypress

  - by ooo

  i have the following code as i want to search a database as a user is typing into a textbox. This code below works fine but it seems a little inefficient as if a user is typing really fast, i am potentially doing many more searches than necessary. So if a user is typing in "sailing" i am searching on "sail", "saili", "sailin", and "sailing" i…

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• Interesting Scala typing solution, doesn't work in 2.7.7?

  - by djc

  I'm trying to build some image algebra code that can work with images (basically a linear pixel buffer + dimensions) that have different types for the pixel. To get this to work, I've defined a parametrized Pixel trait with a few methods that should be able to get used with any Pixel subclass. (For now, I'm only interested in operations that…

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• Print the first line of a file C programming

  - by Pedro

  void cabclh(){ FILE *fp; char *val, aux; int i=0; char *result, cabeca[60]; fp=fopen("trabalho.txt","r"); if(fp==NULL){ printf("ERROR\n"); return ; } val=(char*)calloc(aux, sizeof(char)); while(fp='\n'){ fgets(cabeca,60,fp); printf("%s\n",cabeca); …

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• Why do I need to give my options a value attribute in my dropdown? JQuery related.

  - by Alex

  So far in my web developing experiences, I've noticed that almost all web developers/designers choose to give their options in a select a value like so: <select name="foo"> <option value="bar">BarCheese</option> // etc. // etc. </select> Is this because it is best practice to do so? I ask this because I…

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• Unit Testing Interfaces in Python

  - by Nicholas Mancuso

  I am currently learning python in preperation for a class over the summer and have gotten started by implementing different types of heaps and priority based data structures. I began to write a unit test suite for the project but ran into difficulties into creating a generic unit test that only tests the interface and is oblivious of the…

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• How to wait for ajax validation to complete before submitting a form?

  - by Jung

  Having a problem where the form submits before the validateUsername function has a chance to complete the username check on the server-side. How do I submit the form only after the validateUsername function completes? Hope this is clear... form.submit(function(){ if (validateUsername() & validateEmail() & validatePassword()) { …

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• Problem with mathamatical calculation in JQUERY

  - by Param-Ganak

  Hello friends! I have two text boxes. I enter number in one textbox. I write following JQUERY for that textbox which get executed when the focus out from first text box. The JQUERY code takes the entered value from first text box and multiply it by a decimal number 34.95 and display the answer in second text box. The code is doing the…

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• Get value of selected field from a dropdown list

  - by 47

  I have this class in my model: class ServiceCharge(models.Model): name = models.CharField(max_length=30) amount = models.PositiveIntegerField() extends_membership = models.BooleanField(default=False) def __unicode__(self): return str(self.name) What I want to have is in the form for charging users a service charge, when…

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• How to give new life into a five years old, simple but reliable PHP form?

  - by Sam

  Hi all. I have a script in php 5.2. I want to use a simple form. I found something a programmer made for me about 5 years ago. When I use it, PHP outputs an error now unless I set register_long_arrays = On, then it works fine. On the PHP website, however, it says: Warning This feature has been DEPRECATED as of PHP 5.3.0. Relying…

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• Can I transform this asynchronous java network API into a monadic representation (or something else

  - by AlecZorab

  I've been given a java api for connecting to and communicating over a proprietary bus using a callback based style. I'm currently implementing a proof-of-concept application in scala, and I'm trying to work out how I might produce a slightly more idiomatic scala interface. A typical (simplified) application might look something like…

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• Recaptcha with Ajax error

  - by Brandon

  I'm having trouble validating a recaptcha input. Heres my code: // Validate Recaptcha Input var challenge = $("#recaptcha_challenge_field").val(); var response = $("#recaptcha_response_field").val(); var dataString = 'recaptcha_challenge_field=' + challenge + '&recaptcha_response_field=' + response; var html = $.ajax({ type:…

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• Calling base Text method on custom TextBox

  - by The Demigeek

  I'm trying to create a CurrencyTextBox that inherits from TextBox. I'm seeing some really weird behavior that I just don't understand. After lots of testing, I think I can summarize as follows: In the class code, when I access base.Text (to get the textbox's text), I'm actually getting the return value of my overridden Text…

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• About Web service ,how to use Ajax to call a specific member function of a class?

  - by Liu chwen

  I'm trying to build a web service by PHP. In my case, I called the getINFO(), but the return value on client side always null. Have no idea to solve this problem.. Here's the SOAPserver code(WS.WEB_s.php): require("WEB_s.php"); ini_set("soap.wsdl_cache_enabled", 0); $server = new SoapServer('wsdl/WEB_s.wsdl');…

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• Easier way to populate form data and validation data in Code Igniter?

  - by John

  I'm new to code igniter. I'm following the form validation tutorial found at: http://www.codeignitor.com/user_guide/libraries/validation.html I find I am typing too much in the view to get the form to re-populate. For example, here's what one of my INPUT fields look like: <input type="text" name="email"…

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• Jquery Resize Line of text To Fit Div Width

  - by Douglas Cottrell

  I am using the following script to resize a one line string to fit properly in a div box. <script type="text/javascript"> $( '.test' ).css( 'font-size', 0 ).each(function ( i, box2 ) { var width = $( box2 ).width(), line = $( box2 ).wrapInner( '<span style="white-space:nowrap">'…

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• Select hidden input from within next td [jQuery]

  - by Fverswijver

  I have a table layed out like this: <td> somename </td> <td class="hoverable value" > somevalue </td> <td class="changed"> </td> <td class="original value"> …

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• Hashing Function for Map C++

  - by Josh

  I am trying to determine a hash function which takes an input (i, k) and determines a unique solution. The possible inputs for (i, k) range from 0 to 100. Consider each (i, k) as a position of a node in a trinomial tree. Ex: (0, 0) can diverge to (1, 1) (1, 0) (1, -1). (1, 1) can diverge to…

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• Faster Javascript text replace

  - by Stacey

  Given the following javascript (jquery) $("#username").keyup(function () { selected.username = $("#username").val(); var url = selected.protocol + (selected.prepend == true ? selected.username : selected.url) + "/" + …

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• Redirect in codeigniter after login

  - by edelweiss

  Trying to do a redirect after a successful login. The login info is sent using ajax to the controller. My controller code as below public function login_controller_function() { $this->load->model('login_model'); if ($this->input->is_ajax_request()) { …

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• C++ universal data type

  - by Gokul

  I have a universal data type, which is passed by value, but does not maintain the type information. We store only pointers and basic data types(like int, float etc) inside this. Now for the first time, we need to store std::string inside this. So we decided to convert it into…

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• How to store <TR> id value in array, when I toggle?

  - by James123

  I am toggling 'tr.subCategory1'and its siblings .RegText. at the same time I am trying to store its ids in the array like this list_Visible_Ids[$(this).attr('id')] = $(this).css('display') != 'none' ? 1 : null; (When I collapsed I need store 'null' in array at its id place,…

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• change div text on radion button click

  - by pisi

  I want to put the radio button value in the status div. The text of status div should change, according to the radio button selected by the user. The code that I used bellow is not working. Please help. Thanks! HTML code: <form action=""> <input…

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• I want to create a simple function to reset all input values without target input. (Javascript, Jque

  - by question_about_the_problem

  Hi, I want to create a simple function to reset all input values without target input. I don't know how i can do it. Thanks. Here is my sample codes: <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>…

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• Trying to make a reusable function and display the result in a div

  - by user3709033

  I have this function that I am trying to work with. All I am trying to do is to get the values of days, hours, min and sec into the .overTime div. I want to use the same function over and over again because i have more divs in which I want to display…

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• jquery - DOM traversal question

  - by David

  Hi, Basically what I have here is a button that adds a new list item to an unordered list. Within this list item is a dropdown box (.formSelector) that when changed triggers an ajax call to get the values for another dropdown box (.fieldSelector) in…

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