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• I am loading content via Ajax, but I need it to not load anything when my site loads

  - by Reden

  I'm loading content into several divs with ajax_loadContent <div class="content"><div class="container" id="contents2"><!-- Empty div for dynamic content -->Loading content. please wait...</div><script type="text/javascript">ajax_loadContent('contents2','http://www.thewebsite.com/blank.php');</script></div> Basically, I don't want to load anything until the user clicks on the links I have specified to load content into these instances, please help! Right now, I'm loading a blank file to show nothing in the div.

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• penalty for "inlined" classes

  - by 2di

  Hi All Visual studio allow you to create "inlined" classes (if I am not mistaken with the name). So class header and implementation all in one file. H. file contain definitions and declarations of the class and functions, there is no .cpp file at all. So I was wondering if there is any penalty for doing it that way? any disadvantages ? Thanks a lot

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• Java: "implements Runnable" vs. "extends Thread"

  - by user65374

  From what time I've spent with threads in Java, I've found these two ways to write threads. public class ThreadA implements Runnable { public void run() { //Code } } //with a "new Thread(threadA).start()" call public class ThreadB extends Thread { public ThreadB() { super("ThreadB"); } public void run() { //Code } } //with a "threadB.start()" call Is there any significant difference in these two blocks of code?

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• Anyway to get string from variable name?

  - by hacksigal

  Say I have my class @interface Person : NSObject { NSString *name; } I need to get the name of NSString's within my class Person *person = [[Person alloc] init]; NSLog(@"Name of variable %s\n", NameofVariable(person.name));

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• how to calculate geometric values in C#

  - by user321182

  i want design a dll for geometric points i have x value and y value from that i have to enter more x value and y value and two x points and two y points means.i have to find the distance...this is one dll then second class library we have to get the points from first class library and calculate slope angel

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• How do I find where a ruby method is declared?

  - by Joe Fair

  I have a ruby method (deactivate!) that is on an activeRecord class. However, I can't seem to find where that method is declared. There have been numerous developers on this project, so it could be anywhere. There is a deactivate! on an unrelated class, but it doesn't seem to get called. Any ideas how to find all the superclasses for an instace, or where to find the code for deactivate!?

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• Is there any way to do this without using '__init__'?

  - by zjm1126

  class a(object): c=b()# how to call the b method d=4 def __init__(self): print self.c def b(self): return self.d+1 a() how to call the 'b' method not in the __init__ thanks the error is : Traceback (most recent call last): File "D:\zjm_code\a.py", line 12, in <module> class a(object): File "D:\zjm_code\a.py", line 13, in a c=b()# how to call the b method NameError: name 'b' is not defined

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• Java-Hibernate-Newbie: How do I acces the values from this list?

  - by Mes

  I have this class mapped @Entity @Table(name = "USERS") public class User { private long id; private String userName; } and I make a query: Query query = session.createQuery("select id, userName, count(userName) from User order by count(userName) desc"); return query.list(); How can I acces the value returned by the query?

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• How to change link if JS is disable and enable ?

  - by metal-gear-solid

  I need if JS is enabled then this link will be this <a href="#" class="collops">see sitemap</a> And is js is disabled then link should be this <a href="http://stackoverflow.com" class="collops">see sitemap</a>

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• WPF inherited UserControl lost VS designer support

  - by PaN1C_Showt1Me

  Hi ! I' written this UserControl: <my:MyUserControl x:Class="MyClass" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:my="clr-namespace:MyNameSpace.MyControls;assembly=MyAssembly"> </my:MyUserControl> public partial class Editor : MyNameSpace.MyControls.MyUserControl {} Everything works, the control is shown in the VS 2008 Designer, but I cannot click directly in the elements and select them as it was with UserControl. Any idea how to solve it?

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• Problem when trying to disappear a column

  - by eddy

  I need to hide a column as well as other elements when my page is printed , and in order to do that I have a print style sheet, everything works fine, except for the column I want to make disappear, the strange thing is that my stylesheet works in IE , but it didn't in Mozilla and chrome, why's that? Html code <col width="10%" class="art-editcolumn"/> and here's the CSS class: .art-editcolumn { display: none; } Hope you can help me out with this.

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• My php script only reads the first row from mysql and doesn't check the rest of the rows for matches

  - by RobertH

  I'm trying to write a script for users to register to a club, and it does all the validation stuff properly and works great until it gets to the part where its supposed to check for duplicates. I'm not sure what is going wrong. HELP PLEASE!!! Thank you in Advance, <?php mysql_connect ("sqlhost", "username", "password") or die(mysql_error()); mysql_select_db ("databasename") or die(mysql_error()); $errormsgdb = ""; $errordb = "Sorry but that "; $error1db = "Name"; $error2db = "email"; $error3db = "mobile number"; $errordbe = " is already registered"; $pass1db = "No Matching Name"; $pass2db = "No Matching Email"; $pass3db = "No Matching Mobile"; $errorcount = 0; $qResult = mysql_query ("SELECT * FROM table"); $nRows = mysql_num_rows($qResult); for ($i=1; $i< $nRows+1; $i++){ $result = mysql_query("SELECT id,fname,lname,dob,email,mobile,agree,code,joindate FROM table WHERE fname = '$ffname"); if ($result > 0) { $errorcount = $errorcount++; $passdb = 0; $errormsgdb = $error1db; echo "<div class=\"box red\">$errordb $errormsgdb } else { $pass = 1; $errormsgdb = $pass1db; echo "<div class=\"box green\">$errormsgdb</div><br />"; } //--------------- Check if DB checks returned errors ------------------------------------> if($errorcount <= 0){ $dobp = $_REQUEST['day'].'/'.$_REQUEST['month'].'/'.$_REQUEST['year']; $dob = $_REQUEST['year'].$_REQUEST['month'].$_REQUEST['day']; //header('Location: thankyou.php?ffname='.$ffname.'&flname='.$flname.'&dob='.$dob.'&femail='.$femail.'&fmobile='.$fmobile.'&agree='.$agree.'&code='.$code.'&dobp='.$dobp); echo "<div class='box green'>Form completed! Error Count = $errorcount</div>"; } else { echo "<div class='box red'>There was an Error! Error Count = $errorcount</div>"; } } ?>

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• grails: quering in a composite structure

  - by Asaf David

  hey i have the following domain model: class Location { String name static hasMany = [locations:Location, persons:Person] } class Person { String name } so basically each location can hold a bunch of people + "sub-locations". what is the best way to recursively query for all persons under a location (including it's sub locations, and their sub locations, etc')?

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• Django call function when an object gets added

  - by dotty

  Hay, i have a simple model class Manufacturer(models.Model): name = models.CharField() car_count = models.IntegerField() class Car(models.Model): maker = ForeignKey(Manufacturer) I want to update the car_count field when a car is added to a manufacturer, I'm aware i could just count the Manufacturer.car_set() to get the value, but i want the value to be stored within that car_count field. How would i do this? EDIT Would something like this work? def save(self): if self.id: car_count = self.car_set.count() self.save()

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• Which of these choices is the better design for drawing objects?

  - by Adir

  What would be a better parctice, writing the drawing method inside the GameObject class or in the Game class? GameObject obj = new GameObject(); obj.Draw(); Or GameObject obj = new GameObject(); DrawGameObject(obj);

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• dynamically add/remove style in javascript

  - by rod

  Hi All, Is there a way in any browser to add/remove class names? For example, if I have a div with class names and I just want to remove/add 'name2' is there a way to do that? Thanks, rodchar

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• unable to pas derived List<>

  - by Tarscher

  Hi all, I have class A {} class B : A {} I also have a method that expects a List parameter void AMethod(List<A> parameter) {} Why can't I List<B> bs = new List<B>(); AMethod(bs); And secondly what is the most elegant way to make this work? regards

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• How to know the base type of an inherited generic type ?

  - by T.Falise

  Consider this code : class MyClass<T> { } class AnotherClass : MyClass<String> { } When I look at the BaseType property of the AnotherType Type, it says that it is Object, where I expected to see the generic MyClass type. Is there a way to know that AnotherClass inherits MyClass ?

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• Creating C# Classes at runtime

  - by John Hartsock

  Hello, I have been curious about dynamically create class at runtime in C# and stumbled across this article. http://olondono.blogspot.com/2008/02/creating-code-at-runtime.html I am curious to hear some pros and cons regarding construction of a class at runtime. Any opinions?

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• Is there a clever way to pass the key to defaultdict's default_factory?

  - by Paul Oyster

  A class has a constructor which takes one parameter: class C(object): def __init__(self, v): self.v = v ... Somewhere in the code, it is useful for values in a dict to know their keys. I want to use a defaultdict with the key passed to newborn default values: d = defaultdict(lambda : C(here_i_wish_the_key_to_be)) Any suggestions?

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• Problem with retrieveing a stored cookie

  - by Shrewd Demon

  Hey, I wanted to know if we can access the HttpContext class in the App_Code folder. I am asking so because i have a CommonMethods.cs class inside my App_Code folder. I have written a method that checks if a cookie exists on the client machine or not, but it does not return the cookie. Although when i write the same code on the ASPX.cs page i get the cookie!! can anybody clarify me as in whats going on?? thanks

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• does != nil check for 0x0?

  - by 4thSpace

  I have a custom class and check that a property isn't 0x0 by doing: if(myinstance.someproperty != nil){ //do something } However, even if someproperty is 0x0, I still go into the conditional. someproperty is of another class type. Is there some other way to check this?

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• How do I restrict the creation of an anonymous subclass (Java)

  - by Ad

  Hi I have an abstract class A in a package P with subclasses B and C. I don't want it to be possible to create an anonymous subclass to the class A from outside the package P.

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• C++: How to require that one template type is derived from the other

  - by Will

  In a comparison operator: template<class R1, class R2> bool operator==(Manager<R1> m1, Manager<R2> m2) { return m1.internal_field == m2.internal_field; } Is there any way I could enforce that R1 and R2 must have a supertype or subtype relation? That is, I'd like to allow either R1 to be derived from R2, or R2 to be derived from R1, but disallow the comparison if R1 and R2 are unrelated types.

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• Visual Studio 2008 - Is it possible for two projects to share common classes?

  - by John M

  In Visual Studio 2008 I know its possible to have one solution with two (or more) projects. Is it possible OR How is it possible for the projects to share common class files? For example - Project 1 has a log file handling class. Can Project 2 reference it? My hope is to increase code re-use and avoid two copies of the same thing that need to be maintained. The target is Winforms C# (3.5)

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