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• Forward declaration of derived inner class

  - by Loom

  I ran into problem implementing some variations of factory method. // from IFoo.h struct IFoo { struct IBar { virtual ~IBar() = 0; virtual void someMethod() = 0; }; virtual IBar *createBar() = 0; }; // from Foo.h struct Foo : IFoo { // implementation of Foo, Bar in Foo.cpp struct Bar : IBar { virtual ~Bar(); virtual…

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• Namespace scoped aliases for generic types in C#

  - by TN

  Let's have a following example: public class X { } public class Y { } public class Z { } public delegate IDictionary<Y, IList<Z>> Bar(IList<X> x, int i); public interface IFoo { // ... Bar Bar { get; } } public class Foo : IFoo { // ... public Bar Bar { get { return null; //... …

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• Eclipse > Javascript > Code highlighting not working with Object Notation

  - by Redsandro

  I am using Eclipse Helios with PDT, and when I am editing JavaScript files with the default JavaScript Editor (JSDT), code highlighting (Mark Occurrences) is not working for half of the code, for example JSON-style (or Object Literal if you will) declarations. Little example: Foo = {}; Foo.Bar = Foo.Bar || {}; Foo.Bar = { bar:…

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• Ruby on Rails: has_many through frustrations

  - by Joe Cairns

  I'm having a frustrating problem with a has_many through: namely the fact that the through models are not created until save. Unfortunately, I need to set data on these models prior to saving the parent. Here's the loose setup: class Wtf < ActiveRecord::Base belongs_to :foo belongs_to :bar end class Bar <…

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• Two different websites in one remote hosting

  - by Kor

  My client asked me that a website that is hosted in one server (and pointing there through a domain) should also be accessed (into a specific directory) from another domain, which is not pointing there. For example: http://www.foo.com, hosted at GoDaddy, with the full website http://www.bar.com, hosted at Bluehost,…

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• Mounting filesystem with special user id set

  - by qbi

  I want to mount the device /dev/sda3 to the directory /foo/bar/baz. After mounting the directory should have the uid of user johndoe. So I did: sudo -u johndoe mkdir /foo/bar/baz stat -c %U /foo/bar/baz johndoe and added the following line to my /etc/fstab: /dev/sda3 /foo/bar/baz ext4…

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• How to attach a scroll bar to a canvas in android ?

  - by panzerschreck

  Hello, I am drawing up a grid on a canvas as below, I have not been able to get the scroll bar to appear, I looked around for examples, but none of them give details on drawing scroll bars for custom views. Your help is much appreciated. public class GridActivity extends Activity { …

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• Using chilkat to extract RAR files with progress bar?

  - by Dodi300

  Hello. Does anyone know how to show the progress of archives extracting, when using chilkat? I already have a progress bar called "progressBar1" on my form. At the moment the whole program freezes when extraction is started. Maybe have another thread? I'm using this code: Chilkat.Rar…

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• Javascript: Calling a function written in an anonymous function from String with the function's name

  - by Kai barry yuzanic

  Hello. I've started using jQuery and am wondering how to call functions in an anonymous function dynamically from String. Let's say for instance, I have the following functions: function foo() { // Being in the global namespace, // this function can be called with window['foo']() …

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• How do I get the "Install Missing Plugin" yellow bar to appear in firefox when flash is not installe

  - by Janak

  My rails website uses the open_flash_graph plugin to generate flash graphs for my clients. If a customer doesn't have flash installed, it doesn't display any messages, it simply doesn't show any graphs. I've noticed that if I go to other websites that need flash, I get a yellow bar…

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• How does Unity.Resolve know which constructor to use?

  - by stiank81

  Given a class with several constructors - how can I tell Resolve which constructor to use? Consider the following example class: public class Foo { public Foo() { } public Foo(IBar bar) { Bar = bar; } public Foo(string name, IBar bar) { Bar…

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• Rails 2.3.x, named_scope chaining with INNER JOIN complication

  - by randombits

  I have two hypothetical classes, Foo and Bar. Foo contains many Bars. Bar can only belong to one Foo. Ultimately the SQL query I'm trying to make happen looks like the following: SELECT * from bar INNER JOIN foo ON bar.foo_id = foo.id where bar.in_use = 0 and bar.customer_id = 1 and…

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• How do I set the color for the editButtonItem in the navigation bar of a UITableViewController ?

  - by eemceebee

  Hi I have a UITableViewController where I added a "editButtonItem" in the navigation bar : self.navigationItem.leftBarButtonItem = self.editButtonItem; No magic here, but I try to define the color (background and foreground/textcolor) of this button. I read in the Apple forum…

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• UISearch bar case sensitive off ? ? ?

  - by Flodev03

  hi all, in a table view i have set a UISearchBar set the delegate and add the protocol. When user tap a word everything is ok exept that the search of "tennis" and "Tennis" is not the same. How can i make the search bar a non case sensitive UISearchBar, i have search a lot…

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• Why are Views loaded from nibs being placed 20 pixels down from the status bar?

  - by rickharrison

  I am trying to set up a layout as such in an iPad application. It will have three major views, which make up the whole screen. The views will be stacked one on top of the other, each taking up the full width. I have one major nib file which accounts for the entire screen…

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• Can I use an opened gzip file with Popen in Python?

  - by eric.frederich

  I have a little command line tool that reads from stdin. On the command line I would run either... ./foo < bar or ... cat bar | ./foo With a gziped file I can run zcat bar.gz | ./foo in Python I can do ... Popen(["./foo", ], stdin=open('bar'), stdout=PIPE,…

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• How can I create a button with a UIActivityIndicator in my navigation bar with the same style as nor

  - by Jarin Udom

  All of the examples I've seen on here and other sites involved creating a UIActivityIndicatorView and loading it with something like: self.navigationItem.rightBarButtonItem = [[[UIBarButtonItem alloc] initWithCustomView:myActivityIndicatorView …

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• Java generics SuppressWarnings("unchecked") mystery

  - by Johannes Ernst

  Why does code alternative(1) compile without warnings, and code alternative(2) produce an "unchecked cast" warning? Common for both: class Foo<T> { Foo( T [] arg ) { } } Alternative (1): class Bar<T> extends Foo<T> { protected…

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• how to change link url on the web browser's status bar.

  - by sunglim

  I already read many article about this issue in here, SO. I just want to discuss how to do it. NOT the moral issue. -- for example. at the google search webpage. before I click the link, the link does not indicate the google url. but After I click the…

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• Any sense to set obj = null(Nothing) in Dispose()?

  - by serhio

  Is there any sense to set custom object to null(Nothing in VB.NET) in the Dispose() method? Could this prevent memory leaks or it's useless?! Let's consider two examples: public class Foo : IDisposable { private Bar bar; // standard custom .NET object …

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• jQuery event trigger - cancelable event

  - by Dismissile

  I have created a jquery plugin which is triggering an event: $.fn.myplugin = function(options) { this.on("foo.myplugin", options.foo); this.on("bar.myplugin", options.bar); }; I want to check if foo has been canceled by a user and prevent bar from…

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• PHP access class inside another class

  - by arxanas

  So I have two classes like this: class foo { /* code here */ } $foo = new foo(); class bar { global $foo; public function bar () { echo $foo->something(); } } I want to access the methods of foo inside all methods bar, without…

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• The document.body.innerHTML.replace() replaces the url in the address bar.

  - by divya

  I am trying to make an extension as part of which i want certain words in the web pages to be highlighted. The document.body.innerHTML.replace() replaces the url in the address bar as well. So the moment this code gets exwecuted the page doesnt get loaded…

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• UISearchBar in UINavigationBar with ScopeBar

  - by ncipollina

  I am trying to put a UISearchBar inside of the UINavigationBar, which I am able to do without much problem. The problem is that I have logic when editing to show the Scope Bar. This all works fine, with one exception. The navigation bar tries to center…

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• How to Get Search Bar in Tableview to Appear When User Taps Search Icon at the top of sectionIndex s

  - by Gorgando

  I have a tableview with an indexed scrollbar on the right side that shows the letters A-Z and has a magnifying glass icon at the top ({search}). All of the letters in the scrollbar appropriately take the user to the corresponding section except for the…

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