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  • dojo query for checkboxes

    - by mouse
    Hi I want to get all my checked checkboxes from a form and i do like this(and it works) var cbs = dojo.query('input:checked', 'f'); I wand to add another selector(class selector) to get all checked checkboxes from a form with a specified class. I tried this one but it doesn't work var cbs = dojo.query('input:checked .xClass', 'f');

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  • Dynamically generating method names in rails

    - by badnaam
    I need to generate links in my views using the url helpers such as user_path(@user), the catch is, in some cases I don't know what model I am creating this link for i.e. whether it is a user or a store or someting else I would like to be able to determine this on the fly and call the appropriate view helper, currently I am doing the following, but I am wondering if there is a drier way of doing it. if object.class == "Store" store_path(object) elsif object.class == "User" user_path(object) ...etc

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  • mysql extra columns with same name from two tables

    - by salmane
    Table 1 has columns : entry_id user_id ... Table 2 has columns : entry_id user_id ... the user_id entry is not always the same so I would like to extract both of them so I can later on compare them in my script SELECT * FROM table1 as t1 INNER JOIN table2 as t2 on t1.entry_id=t2.entry_id WHERE t1.user_id='%s' I would like to extract t1.user_id and t2.user_id ...the problem is the result array has only user_id thank you

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  • Feature panel hover changer effect

    - by user1519157
    Haven't seen this before so hopefully someone has a easy solve, I have a 3 feature panel divs side by side, what I want happen is the 1st panel has a "hover" class added so I can change the background etc and then on a timed interval the hover class jumps to the next panel then the next panel then back to the start on a loop. Also on a side note can you keep the code in mind to be able to add more then 3 feature divs so you could have for example 6 or more or less etc.

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  • C# start a static thread

    - by user595605
    I have a Queue of items I want to process in a thread, and any instance of a class can add items to the Queue to be processed. My idea for doing this is to have a static Thread in the class that processes the items, the only problem is that I don't know where to start this thread, since I can't start it in its initialization. Is there a way I can start a static thread? Or should I be changing the architecture completely?

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  • Does it make sense to replace sub-queries by join?

    - by Roman
    For example I have a query like that. select col1 from t1 where col2>0 and col1 in (select col1 from t2 where col2>0) As far as I understand, I can replace it by the following query: select t1.col1 from t1 join (select col1 from t2 where col2>0) as t2 on t1.col1=t2.col1 where t1.col2>0 ADDED In some answers I see join in other inner join. Are both right? Or they are even identical?

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  • Is it worth setting pointers to NULL in a destructor?

    - by Rob
    Imagine I have a class that allocates memory (forget about smart pointers for now): class Foo { public: Foo() : bar(new Bar) { } ~Foo() { delete bar; } void doSomething() { bar->doSomething(); } private: Bar* bar; }; As well as deleting the objects in the destructor is it also worth setting them to NULL? I'm assuming that setting the pointer to NULL in the destructor of the example above is a waste of time.

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  • Default value for bool in c++

    - by greenguy1090
    I'm redesigning a class constructor in C++ and need it to catch an unspecified bool. I have used default values for all of the other parameters, but from my understanding bool can only be initialized to true or false. Since both of those cases have meaning in the class, how should I handle checking for change from a default value?

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  • How to map auto property private set with NHibernate?

    - by Michael Teper
    Suppose I have this class: public class GroceryListItem() { public GroceryList { get; private set; } public GroceryListItem(GroceryList groceryList) { GroceryList = groceryList; } } What is the NHibernate mapping file access strategy for this scenario? (i.e. <one-to-many name="GroceryList" column="XXX" access="?????" />)

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  • Changing a select input to a checkbox acting as an on/off toggle switch in Rails

    - by Ribena
    I have a set of 7 dropdown inputs allowing admins to say whether they are open or closed for business on a given day. I'd like that changed to 7 open/closed switches (presumably styled checkboxes?) but can't figure out how to do this! Here are the relevant bits of code I currently have (prior to any change): app/view/backend/inventory_pool/edit.html.haml - content_for :title, @inventory_pool = form_for [:backend, @inventory_pool], html: {name: "form"} do |f| .content - if is_admin? %a.button{:href => root_path}= _("Cancel") %button.button{:type => :submit}= _("Save %s") % _("Inventory Pool") %section %h2= _("Basic Information") .inner .field.text .key %h3= "#{_("Print Contracts")}" %p.description .value .input %input{type: "checkbox", name: "inventory_pool[print_contracts]", checked: @inventory_pool.print_contracts} %section#workdays %h2= _("Workdays") .inner - [1,2,3,4,5,6,0].each do |i| .field.text .key %h3= "#{I18n.t('date.day_names')[i]}" .value .input %select{:name => "store[workday_attributes][workdays][]"} %option{:label => _("Open"), :value => Workday::WORKDAYS[i]}= _("Open") %option{:label => _("Closed"), :value => "", :selected => @store.workday.closed_days.include?(i) ? true : nil}= _("Closed") app/models/workday.rb class Workday < ActiveRecord::Base belongs_to :inventory_pool WORKDAYS = ["sunday", "monday", "tuesday", "wednesday", "thursday", "friday", "saturday"] def is_open_on?(date) return false if date.nil? case date.wday when 1 return monday when 2 return tuesday when 3 return wednesday when 4 return thursday when 5 return friday when 6 return saturday when 0 return sunday else return false #Should not be reached end end def closed_days days = [] days << 0 unless sunday days << 1 unless monday days << 2 unless tuesday days << 3 unless wednesday days << 4 unless thursday days << 5 unless friday days << 6 unless saturday days end def workdays=(wdays) WORKDAYS.each {|workday| write_attribute(workday, wdays.include?(workday) ? true : false)} end end And in app/controllers/backend/inventory_pools_controller I have this (abridged): def update @inventory_pool ||= InventoryPool.find(params[:id]) process_params params[:inventory_pool] end def process_params ip ip[:print_contracts] ||= "false" # unchecked checkboxes are *not* being sent ip[:workday_attributes][:workdays].delete "" if ip[:workday_attributes] end

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  • Code explanation in java

    - by Gandalf StormCrow
    Hello everyone, this morning I came across this code, and I have absolutely no idea what that means, can anyone explain me what do these represent, ex: public class MyClass<T> ... some bits of code then private Something<T> so; private OtherThing<T> to; private Class<T> c; Thank you

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  • Implementing a plugin interface

    - by James P.
    What's a good way of adding a plugin interface such that it's possible to have optional components? I'm aware of the Class.forName() approach (used with JDBC for example) but there is also dynamic class loading.

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  • Aside from a prototype, what is the next best thing to satisfy a user

    - by user1639998
    Aside from a prototype, what is the next best thing to satisfy a user who really wants to know what an application will be like? Choice 1 A process model Choice 2 An interaction diagram Choice 3 A data-flow diagram Choice 4 A class diagram Choice 5 A class-state diagram 2 is my partner's choice 3 is my choice I stick to my colors also he stick to his. which one is better?

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  • C++ return object

    - by Pauff
    I have a class that has a vector of objects. What do I need to do to return one of this objects and change it outside the class, keeping the changings? Is it possible to do with regular pointers? Is there a standard procedure? (And yes, my background is in Java.)

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  • [Linq & Dictionary (.NET)] A problem with compare item value

    - by Tony
    Hi, I have defined my class: public class Host { public string Name; } then a strobgly-typed dictionary: Dictionary<string, Host> HostsTable; then I try to compare a value: if (HostsTable.Values.Where(s => s.Name == "myhostname") != null) { doSomething } and the problem is, nothing is found, even I'm sure the item is on the list. What I'm doing wrong ?

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  • how use in it in main project?

    - by davit-datuashvili
    I have the following interface: public interface MyFunctor { int myFunction(int x); } And I created a class which implements this interface : public class Myfunction1 implements MyFunctor { } how use in main project? i have corrected mistake now i need how run it in main project? i mean in public static void main(String[]args)?

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  • Putting methods in separate files

    - by Garry
    I have a class (MyClass) with a lot of methods. Consequently, the .m file has become quite difficult to read. I'm relatively new to Objective-C (having come from REALbasic) and I was wondering if it's possible to put some of the methods in MyClass into different files and then include them in the class. How would I go about this in Xcode?

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  • Changing the Order in a .NET Generic Dictionary

    - by pm_2
    I have a class that inherits from a generic dictionary as follows: Class myClass : System.Collections.Generic.Dictionary<int, Object> I have added a list of values to this in a particular order, but I now wish to change that order. Is there any way (without removing and re-adding) that I could effectively re-index the values; so change the object at index 1 to now be at index 10 for example? For example, this doesn't work: myClass[1].Index = 10;

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  • How should onClick Listener by defined and instantiated for an Activity

    - by Code Droid
    My Activity has multiple lists so I have defined MyClickListener as below: My question is how I should instantiate this class: MyClickListener mMyClickListener = new MyClickListener(); Or maybe it is better to instantiate inside the onCreate(Bundle) and just define above. Whats considered the better way? I don't want too much in onCreate() its already full of stuff. Any thoughts on the declaration and instatiation? Whats the best way? private class MyClickListener implements OnClickListener { @Override public void onClick(View view) { } }

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  • jQuery CSS and .hover() not picking up style

    - by danit
    Im using jQuery to add .hover class to list items. $("#list .item").hover( function () { $(this).addClass("hover"); }, function () { $(this).removeClass("hover"); } ); Then followed by the style in jQuery (I have to supply the style in JS) $('#list .item.hover').css('padding-left', '20px'); The hover class is being applied but the style is not picked up?

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  • PHP mail with multiple attachments and message in HTML format [closed]

    - by Jason
    I am new to PHP, so please don't mind if my question is silly. I would to like to make a PHP to send email with numerous attachments and the message of the email will be in HTML format. <html> <body> <form action="mail.php" method="post"> <table> <tr> <td><label>Name:</label></td> <td><input type="text" name="name" /></td> </tr> <tr> <td><label>Your Email:</label></td> <td><input type="text" name="email" /></td> </tr> <tr> <td><label>Attachment:</label></td> <td><input type="file" name="Attach" /></td> </tr> <tr> <td><input type="submit" value="Submit" /></td> </tr> </table> </form> <script language="javascript"> $(document).ready(function() { $("form").submit(function(){ $.ajax({ type: "POST", url: 'mail.php', dataType: 'json', data: { name: $('#name').val(), email: $('#email').val(), Attach: $('#Attach').val(), }, success: function(json){ $(".error, .success").remove(); if (json['error']){ $("form").after(json['error']); } if (json['success']){ $("form").remove(); $(".leftColWrap").append(json['success']); } } }); return false; }); }); </script> </body> </html> This is my HTML for filing in the information. And below is the mail.php <?php session_cache_limiter('nocache'); header('Expires: ' . gmdate('r', 0)); header('Content-type: application/json'); $timeout = time()+60*60*24*30; setcookie(Form, date("F jS - g:i a"), $timeout); $name=$_POST['name']; $email=$_POST['email']; $to="[email protected]"; //*** Uniqid Session ***// $Sid = md5(uniqid(time())); $headers = ""; $headers .= "From: $email \n"; $headers .= "MIME-Version: 1.0\n"; $headers .= "Content-Type: multipart/mixed; boundary=\"".$Sid."\"\n\n"; $headers .= "This is a multi-part message in MIME format.\n"; $headers .= "--".$Sid."\n"; $headers .= "Content-type: text/html; charset=utf-8\n"; $headers .= "Content-Transfer-Encoding: 7bit\n\n"; //*** Attachment ***// if($_FILES["fileAttach"]["name"] != "") { $FilesName = $_FILES["fileAttach"]["name"]; $Content = chunk_split(base64_encode(file_get_contents($_FILES["fileAttach"]["tmp_name"]))); $headers .= "--".$Sid."\n"; $headers .= "Content-Type: application/octet-eam; name=\"".$FilesName."\"\n"; $headers .= "Content-Transfer-Encoding: base64\n"; $headers .= "Content-Disposition: attachment; filename=\"".$FilesName."\"\n\n"; $headers .= $Content."\n\n"; } $message_to=" <html><body> <table class='page-head' align='center' width='100%'> <tr> <td class='left'> <h1>ABC</h1></td> <td class='right' width='63'> <img src='http://xxx/images/logo.png' /></td> </tr> </table><br /><br /> $name ($email) has just sent you an e-mail. </body></html>"; $message_from="<html><body> <table class='page-head' align='center' width='100%'> <tr> <td class='left'> <h1>ABC</h1></td> <td class='right' width='63'> <img src='http://xxx/images/logo.png' /></td> </tr> </table><br /><br /> Thanks for sending the email. </body></html>"; if ($name == "" || $email == "") { $error = "<font color=\"red\">Please fill in all the required fields.</font>"; } elseif (isset($_COOKIE['Form'])) { $error = "You have already sent the email. Please try again later."; } else { mail($to,"A new email from: $name",$message_to,$headers); mail($email,"Thank you for send the email",$message_from,$headers); $success = "Emai sent successfully!"; } $json = array('error' => $error, 'success' => $success); print(json_encode($json)); ?> May someone give some advises on the code? Thanks a lot.

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  • MySQL 'user_id' in where clause is ambiguous problem

    - by HoMe
    How can I correct the problem I keep getting from the code below which states 'user_id' in where clause is ambiguous. Thanks for the help in advance. Here is the mysql table. SELECT user.*, user_info.* FROM user INNER JOIN user_info ON user.user_id = user_info.user_id WHERE user_id='$user_id'

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