e);
> WMshow();
> WMhide();
> getQWidget()->setAttribute(Qt::WA_DontShowOnScreen, false);
Maybe that helps. Setting the attribute prevents the screen flash.
-John Weeks
WaveMetrics, Inc.
> On May 23, 2024, at 3:52 PM, David M. Cotter wrote:
>
> I need to do so
; breakpoints defined by me.
>
> I am using:
> - Linux (version 5.10.0-14-amd64)
> - GNOME (version 3.38.5)
> - Qt Creator (4.14.1)
> - Qt (version 6.3 compiled from source)
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anted (adding parens) and it
applied BOTH fixes!
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ike a sledge hammer but it did work.
Interesting. That would ~.config/QtProject? And then you have to re-create all
your kits, etc.?
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With the clangd code model in the latest versions of Qt Creator, we seem to
have lost the ability to order the menu of symbols in an editor window
alphabetically. That would be the menu in the bar above the area holding editor
windows and views.
Am I missing something?
-John Weeks
Maybe something related to an input method? Input methods are used for things
like composing Japanese characters.
-John Weeks
> On Jan 3, 2022, at 2:31 PM, Joshua Grauman wrote:
>
> Hi all,
>
> I am working on using QTextLayout and I was wondering if someone could giv
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'd have to convert it each time to get the QStringList?
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OpenPGP_0xB23C7A7C8E96CE3B.asc
Description: OpenPGP public key
OpenPGP_signature
Description: OpenPGP digital signature
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" it a bit?
The only thing that I've been able to find is the mapping for JSON
and QVariant. And it shows that QMap, QString, and QStringList all can
be mapped into a QVariant.
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Description
. I'm using QWebEngine and
QWebChannel for communication between C++ and the JavaScript running.
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Descrip
{
"key" : ["abc", "def"]...
}
However, when I try to view the data in the emitted signal it's always
null. Any suggestions where I should look for more answers or perhaps
I'm going in an incorrect direction?
Thanks,
--
J
Hello,
I would like to get the frame count of the video that's been played by
the MediaPlayer in QML, but I didn't find any property that will
provide it. As the video is made up of frames , I have corresponding
annotations per frame in the database that I would like to fetch using
the frame numbe
On Mon, Mar 22, 2021 at 10:55 AM Alex john wrote:
> Transform {
> id: trefoilMeshTransform
> translation:Qt.vector3d(Qt.vector2D(100, 100)).unproject(
> modelView ,mainCam.projectionMatrix, forwardRenderer.viewportRect)
> property real theta: 0.0
>
On Mon, Mar 22, 2021 at 10:55 AM Alex john wrote:
>
> On Thu, Mar 18, 2021 at 5:22 AM Walter Rawdanik wrote:
> >
> > You can’t convert 2d coordinates to a 3d position because you are missing
> > the z coordinate.
>
> I can have a dummy z value as 1 for the calcula
On Thu, Mar 18, 2021 at 5:22 AM Walter Rawdanik wrote:
>
> You can’t convert 2d coordinates to a 3d position because you are missing the
> z coordinate.
I can have a dummy z value as 1 for the calculation. The problem is
similar as described here
https://community.khronos.org/t/getting-2d-to-3d
lease confirm the changes and let me know the modelView matrix.
On Mon, Mar 15, 2021 at 5:14 PM Alex john wrote:
> > Going the other way round (back-projection) can be done by e.g.
> QVector3D::unproject()
>
> Thanks, as I'm referring the the wireframe example I was able to ge
As I have loaded my custom obj in wireframe example and using the same
geometry and camera settings as its for wireframe, therefore can you
please let me know how this can be done at QML side? I did try to find
this in the documentation but didn't find the usage.
> On Mon, Mar 15, 20
Hello ,
Im successessfully able to load the obj file in Scene3D, and by using
fromEulerAngles I'm able to get the required yaw, pitch and
roll.However, I'm not able to use the right translation to get the
object rendered. I get the x,y coordinates in pixels from the other
module and I need to rend
in quick3D that would be done with a class derived from QQuick3DGeometry
> with primitives set to lines
> "setPrimitiveType(QQuick3DGeometry::PrimitiveType::Lines)"
> to construct a cube. Then register that class to qml and use it in your
> View3D. Hope it helps.
>
> J
Hello Qt
I like to render a frustum as here https://imgur.com/a/BzmCQ2D on
Scene3d. Can you let me know how it can be done? If I have to get the
custom QML ,do I have to get it from the C++ and then push it to the
QML context? Any pointers to basic code is appreciated.
Thanks.
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to “transparent” ?
>
>
> Mike
>
> > On 3 Mar 2021, at 14:28, Alex john wrote:
> >
> >
> > Hello,
> >
> > I am trying to overlay a 3d object(.obj file) on top of the video, I could
> > successfully load the .obj file and rendered it by referi
Hello,
I am trying to overlay a 3d object(.obj file) on top of the video, I could
successfully load the .obj file and rendered it by refering to example
https://doc.qt.io/qt-5/qt3d-wireframe-example.html, later I changed the
code in main.qml by raping Entity from main.qml into Scene3D and tried t
properly, or perhaps this happens
with any dmg these days? I did ultimately manage to download it by
right-clicking, selecting Save Link As and then clicking the status tile at the
bottom of the window, where there was a choice to go ahead anyway.
-John Weeks
like
unnecessary boilerplate. Is it possible to
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u nuts, please upvote this bug i've filed. Thanks.
>
>
> -dave
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nd something wrong: I've been getting what as far as I can
tell are bad window state change events telling me that a window is maximized
when it isn't. Plays dicky with certain parts of my code!
> On Aug 27, 2020, at 2:25 PM, Andy wrote:
>
> Bitwise "&" has pre
Isn't this a bug?
bool QCocoaWindow::isTransitioningToFullScreen() const
{
NSWindow *window = m_view.window;
return window.styleMask & NSWindowStyleMaskFullScreen &&
!window.qt_fullScreen;
}
Seems like the bitwise & needs parens.
This is from Qt 5.12.9. Haven'
At the point where Apple almost released 64-bit Carbon, but reversed course and
made us all switch to writing things with funny square brackets instead, Carbon
had been largely ported to 64 bits. There is still quite a bit of Carbon under
the hood in Cocoa.
-John Weeks
WaveMetrics, Inc.
>
7;t bad, but it
doesn't look like either Windows or Macintosh.
Hope this helps
-John Weeks
> On Jun 8, 2020, at 12:48 PM, David M. Cotter wrote:
>
> can anyone explain why tree view looks fine but table view only has 1 pixel?
>
> @adam did you download the example p
Maybe I was too specific here. This isn't just a problem with Address
Sanitizer. It is a general problem with the output pane in Qt Creator. Its just
that AddressSanitizer happens to put out lots of output.
So I guess y'all don't see thi
y?
2) Do others see this too?
-John Weeks
=
==2501==ERROR: AddressSanitizer: heap-use-after-free on address 0x60300112fe40
at pc 0x0001052ca5ac bp 0x7ffeefbfa430 sp 0x7ffeefbfa428
READ of size 8 at 0x60300112fe40 thread T0
2020-04-
Glad I could help!
-John Weeks
> On Mar 21, 2020, at 3:24 AM, Roman Wüger wrote:
>
> John, thank you very much,
>
> your solution worked as expected.
>
> Best Regards
> Roma
>
>> Am 20.03.2020 um 20:46 schrieb John Weeks :
>>
>> Roman-
>&
problems is to paint the QStyle
object into a QImage or QPixmap, then draw that image wherever you need it.
I have filed bugs against some of these problems, and gotten very little
attention.
-John Weeks
> On Mar 20, 2020, at 12:02 PM, Roman Wüger wrote:
>
> Hello,
>
> I use
ports on other
applications.
-John Weeks
> On Feb 19, 2020, at 8:31 AM, Nils Jeisecke
> wrote:
>
> Hi list,
>
> I'm seeing the same thing here. Not sure when troubles started.
> Nobody else having problems with that?
>
> Nils
>
> Am 19.08.2019 um 11:37
correctly.
So it seems that it comes down to an incorrectly generated
qtbase/src/gui/qtgui-config.pri, which I can fix post-facto, but I think
there
must be a better fix. Perhaps your patch?
ThanksJohn Cary
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path I specified with
QMAKE_LIBDIR_OPENGL.
Is there a way to stop this behavior?
Where is the code that does this?
ThxJohn Cary
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t;> I think "for instance" should be written out in this case, or use an
>> established
>> abbreviation, or dropped entirely:
>
> I had the same thought 😊
>
> https://codereview.qt-project.org/c/qt/qtbase/+/271615
>
> Kai
> ___
ave seen? Is
there a solution? Do I just have to use QDebug() statements liberally sprinkled
about my code to debug?
Any insight greatly appreciated.
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Thank you! That might be what I want. I'll check it out on Monday.
> On Aug 16, 2019, at 3:24 PM, Israel Brewster wrote:
>
> On Aug 14, 2019, at 1:06 PM, John Weeks wrote:
>>
>> I have a moderately complex window (more than 50 QWidget- and
>> QLayout-derived
ht be.
Has anyone developed a solution to this? Or do I need to make a wrapper class
that has an accessor function for each of the widgets? That would be a pain to
implement, and a source of bugs in the future when I change the layouts.
Any ideas greatly appreci
ce we started using the LGPL version. That
up-front cost is prohibitive, so we haven't done it.
Perhaps, if you are trying to nudge folks toward commercial licensing, you
could provide a path that isn't so expensive. Or maybe you have? We haven't
bothered to look in
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aintEvent()
requires some slight of hand to sync the GL buffers. Maybe the crash is a
result of something like that.
-John Weeks
> On Mar 27, 2019, at 2:48 PM, Matthew Woehlke wrote:
>
> I've cargo-culted some code to render text over a QOpenGLWidget from
> another pr
> I feel stupid! :D
Heh. You can join the elite group of, what, nearly 100% of coders who have had
this experience? :)
Those that haven't are probably not doing serious work.
-John Weeks
WaveMetrics, Inc.
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Our application needs to control how windows close pretty carefully- we handle
QEvent::close by ignoring it, then doing whatever we feel like we need to do.
That is, we take over management of the situation.
-John Weeks
WaveMetrics, Inc.
> On Oct 30, 2018, at 5:53 AM, Andy wrote:
>
&
7;s windows.
I have made it work pretty well, but I quake in my boots whenever I get a bug
report about window order.
We are now using Qt 5.9 and don't have any sort of replacement for my delicate
and difficult code.
-John Weeks
WaveMetrics, Inc.
> On Oct 22, 2018, at 11:37 AM, Israel
a red herring and
that I solved it accidentally in some way that I can't recall :)
-John Weeks
> On Jun 11, 2018, at 6:56 AM, René Hansen wrote:
>
> Hi,
>
>
> Has anyone else starting seeing this error, when trying to run in debug mode
> on device?
>
> "
-171.
I see this in my bug report:
I cloned it from http://qt.gitorious.org/qt-solutions August 6, 2013.
Five years later it's still working for us.
-John Weeks
> On Apr 17, 2018, at 5:26 AM, Samuel Gaist wrote:
>
>
>> On 17 Apr 2018, at 12:33, Hamish Moffatt wrote:
Do it in the showEvent()?
> On Mar 2, 2018, at 8:16 AM, Elvis Stansvik wrote:
>
> 2018-03-02 16:26 GMT+01:00 Martins, Sérgio :
>> On 2018-03-02 15:21, Elvis Stansvik wrote:
>>>
>>> 2018-03-02 16:18 GMT+01:00 Elvis Stansvik :
2018-03-02 15:54 GMT+01:00 Nikos Chantziaras :
>
>
this? Might QSvgRenderer one day implement SVG Full?
Thanks for any insights.
-John Weeks
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not know if they support logarithmic
> axes.)
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I never use the two menus that I can see there. I use the Symbols menu all the
time, when I can get to it.
Is there a way to select what's shown there, or to rearrange the elements to
suit my needs?
-John Weeks
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Add returns in your text:
QString text("1234567890123456789012345678901234567890\r"
"1234567890123456789012345678901234567890\r"
"1234567890123456789012345678901234567890\r"
"123456789012345678901
You may need to call setVisible(true). IIRC, changing window flags makes the
widget invisible.
-John Weeks
> On Oct 11, 2017, at 2:36 PM, René J.V. Bertin wrote:
>
> Hi,
>
> Dock widgets are very useful, but there are cases where I'd like to be able
> to detach t
>> Drop the -silent argument to configure.
Thanks, that fixed the issue.
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top.
NMAKE : fatal error U1077: 'cd' : return code '0x2'
Stop.
NMAKE : fatal error U1077: 'cd' : return code '0x2'
Stop.
Thanks,
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I’ve attached the config.log file.
John Schneiderman
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From: Thiago Macieira
Sent: poniedziałek, 10 lipca 2017 23:19
To: interest@qt-project.org
Subject: Re: [Interest] Windows 5.9 Build System Library Failures
On segunda-feira, 10 de julho de
a bug on this
behavior.
Qt 5.6.3
Windows 10
-John Weeks
WaveMetrics, Inc.
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ho Failed to build. Error Code: %errorlevel% 1>&2
echo.
popd
pause
exit 2
===
Any assistance in fixing these errors would be greatly appreciated as I’ve hit
a brick wall on this. I’ve confirmed the paths to the libraries are correct,
both name and directory.
Thanks,
John Schneiderman
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ck on
f->glEnable(GL_CULL_FACE);
}
}
Bug or intentional? This isn't a show-stopper for me but it did cause some
grief.
-John Cox
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What SLAs or kinds of responses should I expect then?
> On 5 Oct. 2016, at 18:07, Thiago Macieira wrote:
>
> Em quarta-feira, 5 de outubro de 2016, às 10:33:37 CEST, John C. Turnbull
> escreveu:
>> Thiago, it seems you have taken my comments as a personal attack on you and
>>
aking. If that's the case then,
again, I am sorry and please direct me to a more appropriate forum.
To summarise, I am speaking from the perspective of a paying customer of a
commercial entity.
And I suspect I am not the only one.
> On 5 Oct. 2016, at 10:09, Thiago Macieira wrote:
>
Thiago, with all due respect, and I'm very aware of the significant
contribution you personally have made to both the Qt product and the community,
there is clearly a high degree of dissatisfaction with various aspects of Qt
and the management of the SDLC.
Your comments may be accurate but I'm
It's ironic in a way that every major graphical toolkit (and with many large
software projects in general) that I've worked with over decades now, the
attitude has commonly seemed to have been that "new" is better than "stable".
The end result is a product full of both older and newer unstable f
ce of a Qt plug-in that uses the platform support. The support on OS
X is so minimal that we wound up writing a platform-specific bit of code using
Core Audio (which is not pleasant!).
It's also hard to figure what support is actually available on a given
platform, and now I've forgott
her thread from the
Threads menu, and I see the locals and expressions view change, but the stack
trace remains showing the crashed thread.
Do I simply need to get a newer Qt Creator? Or is there something I need to do
differently?
Thanks for any insigh
ons do is to
tell the view that it should not update while you work on revising the model.
I'm not really sure how I got into being an "expert" on this. I'm not really :]
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ItemModel is only a representation of the data, not the
data itself, you don't care of the childAdded signal comes after a data item
has been added. At that point you prepare a new row in your QAbstractItemModel
subclass.
Where does your data come from? How do you know when new data is added to the
und
d, then calling
childHasBeenAdded. The WillBe and HasBeen functions are used to inform the base
class of what your code is doing.
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e of QDialog::exec() in the main thread, and
QDialog can be used only in the main thread.
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t-project.org
> http://lists.qt-project.org/mailman/listinfo/interest
Lambdas have always seemed like a great way to write large blocks of obscure
code, but it seems like I'm missing something. Another example?
-John
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Thanks very much Sze - they all look very helpful.
Qt is awesome. But it can be "awesomer" ;-)
> On 12 Jul 2016, at 19:41, Sze Howe Koh wrote:
>
>> On 12 July 2016 at 14:53, John C. Turnbull wrote:
>> Thanks. I never thought of using Google ;-)
>>
>> S
It's OK - they "do no evil" ;-)
> On 12 Jul 2016, at 17:01, alexander golks wrote:
>
> Am Tue, 12 Jul 2016 16:53:25 +1000
> schrieb "John C. Turnbull" :
>
>> Thanks. I never thought of using Google ;-)
>>
>> Sadly Google show
t; questions:
>
> http://doc.qt.io/qt-5/qtquick-visualcanvas-scenegraph.html
> http://doc.qt.io/qt-5/qtquick-visualcanvas-scenegraph-renderer.html
>
>
>> -Original Message-
>> From: Interest [mailto:interest-bounces+mitch.curtis=qt...@qt-project.org]
>> On Behalf
Anyone?
> On 10 Jul 2016, at 23:23, John C. Turnbull wrote:
>
> I am still new to Qt but am very interested in the technology and the deep
> innards of how it functions. I have worked in a 3D animation studio and
> learned a lot while I was there.
>
> Is there documenta
I am still new to Qt but am very interested in the technology and the deep
innards of how it functions. I have worked in a 3D animation studio and learned
a lot while I was there.
Is there documentation or articles that:
1) Describe in detail how the Qt Quick rendering pipeline is designed and
e.
-jct
> On 6 Jul 2016, at 20:26, Sean Harmer wrote:
>
>
>
>> On 06/07/2016 10:41, John C. Turnbull wrote:
>> Thanks - great to hear!
>>
>> I am a firm believer in the significance that Vulkan will play in the future
>> of GPU based applications.
Thanks - great to hear!
I am a firm believer in the significance that Vulkan will play in the future of
GPU based applications.
> On 6 Jul 2016, at 18:33, Dmitry Volosnykh wrote:
>
> John, here you are: https://blog.qt.io/?s=vulkan&lang=en
>
>> On Wed, Jul 6, 2
Just out of interest, has anyone within the Qt community or company considered
Vulkan?
It looks to me as though the future of low level graphics APIs is not OpenGL or
Direct3D or Metal.
It's Vulkan.
> On 6 Jul 2016, at 17:53, Kai Koehne wrote:
>
>
>
>> -Original Message-
>> From: I
> On Jun 14, 2016, at 2:31 PM, Thiago Macieira
> wrote:
>
> On terça-feira, 14 de junho de 2016 13:58:47 PDT John Weeks wrote:
>> On a German keyboard on Macintosh, shift+6 is a combining (or dead key) ^
>> character. If you hit, for instance, shift+6 then
solicit some comment from the
European folks using Qt, who might be more expert on this sort of issue!
-John Weeks
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DPI unit and be
assured that it will always be that way.
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> widget will come to focus.
>
> Is this the defined behavior? Or is it perhaps a bug?
>
> If this is the defined behavior, is there a way to disable it so that the
> scroll bar consumes the event and prevents it from getting passed to any
> widgets behind it?
>
https://bugreports.qt.io/browse/QTBUG-53315
> On May 10, 2016, at 11:51 AM, John Weeks wrote:
>
> The very simple application posted below (it is a complete runnable example)
> creates a window that puts up a menu on clicking in the window. If you select
> "Open File..
think, and if you might know of a work-around.
Thanks!
-John Weeks
#include
#include
#include
#include
#include
#include
#include
#include
class MainWindow : public QMainWindow
{
public:
explicit MainWindow(QWidget *parent = 0);
~
> On Mar 22, 2016, at 5:30 AM, René J. V. Bertin wrote:
>
> Any idea if the proposed changes in the code reviews are in any way
> backportable
> to 5.6?
No idea at all. I only know about the bug because it affects us.
-John Weeks
_
or are they internal debugging messages that shouldn't really be printed in
> production code?
>
> R.
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Nobody's mentioned the fact that an overridden virtual slot requires an
absolutely horrid cast in order to use the new PMF syntax.
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u also get enterEvent() and
leaveEvent(), though those are somewhat screwed up on Macintosh, even in 5.6.
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name:@"NSWindowWillMiniaturizeNotification"
object:cocoaWindow];
-John
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non-Qt application?
This:
http://stackoverflow.com/questions/20453965/how-to-get-notified-when-nswindow-opens
seems to indicate that you're not the only one that can't figure this out.
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to get back nullptr. internalWinId() is undocumented, but a public API
used lots of places in Qt code, so it's probably not going anywhere soon.
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rebuild Qt instead with the no ICU flag set. The only
thing you loose on Windows are proper collation support for Win XP, proper
toUpper/toLower support in tricky languages, and various Unicode look-up
tables. If you're not worried about those then this is a better path for
you.
John.
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rn it on. On
Linux, well it's a mess depending on which desktop you're running.
In short, I don't think Qt itself applies anything, but the host platform
might manage the result.
John.
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scale factor set by default to 2.5.
Can someone show some example code or suggest API's to use for this? It appears
that devicePixelRatio() will only return integer values.
We are currently building against a pretty recent build of Qt 5.6.
Thanks!
-
Our .pro files have things like this:
DESTDIR = $$quote(../IgorPhoenixFolder)
Does that provide any traction?
-John Weeks
WaveMetrics, Inc.
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;
> I think it's only less complex than overload resolution, but overloads are
> better understood (you can't live without them). I mean, overloads without
> templates... that gets complex again.
Right. That's why Scott Meyers devotes quite a lot of space to it. And in C++11
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