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by: Ryan McGeary |
last post by:
In a <select> drop-down, the onchange event isn't called when
scrolling through the dropdown using the mouse-wheel and when crossing
over a new <optgroup>.
Using the example below, notice how the onchange event isn't called
when mouse wheel scrolling between A3 and B1, but it works properly
when scrolling between A1 and A2.
E.g.
------------------------------------------
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by: baumann |
last post by:
hi all,
Local classes and enumerations (in other words, types declared in a
function definition) cannot be involved in template type arguments.
Types that involve unnamed class types or unnamed enumeration types
cannot be template type arguments (unnamed classes or enumerations that
are given a name through a typedef declaration are OK).
An example illustrates these two exceptions:
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by: colson |
last post by:
Hi,
If I have a class A, and a List<List<object>> containing instances of
A. How do I explicitly cast List<List<object>> as List<List<A>>?
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by: jkn |
last post by:
Hello all
I'm having some problems with a list within a menu div. I'm a
fairly naive CSS user and suspect there's a concept or two I'm
missing...
I have an unordered list of link tests within a div that I use as a
menu on the left hand side of my page. Because the text for some of
these links is wider than the div, I see some word wrap, which is fine.
But altering the line-height property of the innermost element - the
<aof the link -...
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by: IvoShalev |
last post by:
Hi there,
I just want to give some sudgestions on how to draw some plain things
only using the header file <graphics.hand of course the standart
files <stdio.h<conio.h<stdlib.h>.
First of All you have to load drivers for the graphic.
-You must have the file EGAVGA.BGI to be in the same directory where
your code is.
-with this driver you will have 640/480 resolution with 16 colors 1
page or you can choose 320/280 16col with 2 video...
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by: -Karl |
last post by:
Couls someone please advise me on this error. What I am trying to do
is be able to convert an XML document into arrays. I read that the
subs & functions have to be in <scripttags.
Thanks!
Error:
BC30456: 'Read_DOM' is not a member of
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by: Stephan Steiner |
last post by:
Hi
I seem to have a bit of trouble understanding one bit of how generics work:
In C#, every class automatically derives from object, and inherits a bunch
of properties (i.e. ToString()). Thus,
(MyClass is object) should always evaluate as true.
However, if I have a method with the following signature:
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by: lpinho |
last post by:
Hi all,
I have a class (named for the example myObject) that can be of
several types (int, string, float, etc), instead of using a object to
define it's type I used a generic.
public class MyObject<T: ChangeObject
{
...
public MyObject(string name, T value)
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by: Weeble |
last post by:
On Jun 20, 11:10 pm, Göran Andersson <gu...@guffa.comwrote:
I did it that way because CopyTo has a whole bunch of failure cases to
take care of (multi-dimensional array, not enough space, negative
index, null array), and I didn't think it was likely to get used that
much, so I wanted to do something that would behave correctly without
a lot of work. If it became a performance issue I would certainly have
changed it later.
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by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it.
Here is my compilation command:
g++-12 -std=c++20 -Wnarrowing bit_field.cpp
Here is the code in...
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by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...
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by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
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by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then launch it, all on its own....
Now, this would greatly impact the work of software developers. The idea...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
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by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
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by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
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