Tuesday, July 6, 2021

Digest for comp.lang.c++@googlegroups.com - 4 updates in 2 topics

David Brown <david.brown@hesbynett.no>: Jul 06 08:22AM +0200

On 05/07/2021 23:13, Keith Thompson wrote:
>> year ago? A year? And ditto for comp.lang.java? Not sure.
> [...]
 
> Please take a moment to check before making claims like that.
 
In particular, there is a vast difference between "deleted" and "made
temporarily inaccessible". Google disabled access to c.l.c and various
other groups via their groups interface. This was, as we all know, a
completely idiotic "throw out the baby instead of the bathwater"
solution to some bad posts. But to my knowledge, they did not /delete/
anything. (Well, they might have deleted a few crazy conspiracy posts,
but no one will cry long about that.)
 
 
> https://groups.google.com/g/comp.lang.c/search?q=after%3A1998-01-01%20before%3A1998-12-31
 
> A bit of browing leads me to suspect that the archive may be
> incomplete, but it definitely exists.
 
I'm not sure it if was ever complete - did you (or anyone else) happen
to test it /before/ this nonsense?
 
It's good to see it is back online, anyway.
James Kuyper <jameskuyper@alumni.caltech.edu>: Jul 06 03:11PM -0400

On 7/6/21 2:22 AM, David Brown wrote:
> On 05/07/2021 23:13, Keith Thompson wrote:
...
>> incomplete, but it definitely exists.
 
> I'm not sure it if was ever complete - did you (or anyone else) happen
> to test it /before/ this nonsense?
 
I've been participating in Usenet newsgroups since the early 90's, and
I've tried save copies of all of my posts. Sometimes I forgot, and
sometimes I lost saved archives, but I still have 10's of thousands of
messages saved. At one time, a decade or so ago, I did spot comparisons
of my archive with Google's. For randomly chosen messages from my
archive, about 80% were available in Google. For randomly chosen
messages in Google's archives, about 90% were available in my archive.
Those numbers rough guestimates from unreliable wetware memory - if I
ever wrote my results down, I no longer remember where I saved them.
Real Troll <real.troll@trolls.com>: Jul 06 07:56PM

On 06/07/2021 20:32, DFS wrote:
 
> How are you saving your own posts?
 
> I have various python code to pull posts off newsservers, if you're
> interested.
 
 
You don't need anything elaborate. When you post anything to the
newsgroups, a copy also goes into the Sent folder by default. You can
configure how this handled instead of everything saved to Sent folder
but it is a different topic for Thunderbird or for any newsclient you
are using.
Andrey Tarasevich <andreytarasevich@hotmail.com>: Jul 06 12:50PM -0700

On 6/24/2021 2:23 PM, James Kuyper wrote:
> The subject line says "#include <stack>", so you can reasonably presume
> from its name that myStack is of type std::stack<T, Container> for some
> values of T and Container.
 
I need to know what `T` is. I need to know whether `myStack` holds
`int`s, or `myStack` holds something else, perhaps some non-trivial,
unrelated, possibly "heavy" type, which just happens to be implicitly
convertible from `int`.
 
For `T == int` the difference between the variants would be purely
conceptual, without any practical consequences.
 
For a "heavy" `T` the difference between these two variants can be
substantial. `push` would construct a temporary followed by two moves
from it into a new container entry, while `emplace` would construct a
new container entry in-place from the twice-forwarded `30`.
 
--
Best regards,
Andrey Tarasevich
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