Displaying 20 results from an estimated 192 matches for "piggyback".
2006 Mar 13
4
Trouble Using AR Object based on a Piggyback Query?
Hi,
I''m new to Rails and Ruby and can''t access methods/columns from an
ActiveRecord object that is a "piggy-back" row as described by David
here: http://www.loudthinking.com/arc/000235.html
Via Console I can create the piggyback object but reading attributes
gives "TypeError: cannot convert String into Integer" (this is in
Console and the browser). Some commented Console output is below, and
any help is very much appreciated! (I can also post my model object if
needed.)
# This is a regular old ActiveRecord...
2006 Apr 01
1
piggybacking an action on an autocompleted field
Hi everybody,
I''d like to add a custom action to be triggered after/when an
autocompleted field has been/is beeing updated by the autocompletion
process.
I tried the obvious - a field observer -, but it doesn''t work (see code
below). I know I could write the autocompletion code myself, but I
wonder if there is a simpler/more elegant way?
Any idea?
TIA
Alain
The
2010 Jan 12
1
Strange behavior when trying to piggyback off of "fitdistr"
Hello.
I am not certain even how to search the archives for this particular question, so if there is an obvious answer, please smack me with a large halibut and send me to the URLs.
I have been experimenting with fitting curves by using both maximum likelihood and maximum spacing estimation techniques. Originally, I have been writing distribution-specific functions in 'R' which work
2008 Feb 25
6
Review Request for Significant Performance Improvement in ActiveRecord
...web.net/articles/66-optimizing_and_simplifying_limited_eager_loading_in_activerecord
I''d appreciate if I could get some reviewers for this patch, since my
project''s performance is simply not viable without this patch.
Despite the weirdness of the actual diff, the change is mostly
piggybacking on top of logic that''s already there.
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2017 Jul 01
4
[RFC] Placing profile name data, and coverage data, outside of object files
...eeds that information to do
some post-processing step on the results of running the binary. That sounds
a lot like the role of debug info. In fact, having a debugger open a core
file is precisely equivalent to what llvm-profdata needs to do in this
regard AFAICT.
So it would be best if possible to piggyback on all the effort that has
gone into plumbing that data to make debug info work. For example, I know
that on Darwin there's a fair amount of system-level integration to make
split dwarf "just work" while keeping debug info out of final binaries.
If there is a not-too-hacky way to pig...
2013 Feb 28
2
[LLVMdev] Timing the IRReader
...g took (perhaps expanding it later to break down
materialization, etc). In addition to significantly minimizing
un-accounted time, this can facilitate future attempts to optimize the
IR reading code. Any objections/insights?
If this is deemed useful, there's the question of implementation.
1. Piggybacking on time-passes (like DWARF dumping does) is probably
not the "right thing to do", and hard to implement too since some
tools like llvm-diff don't even link in the pass infrastructure (which
defines the required globals).
2. Creating a separate flag is feasible, but IRReader is curr...
2017 Jul 01
3
[RFC] Placing profile name data, and coverage data, outside of object files
...t allows minimizing the runtime memory overhead for the program image to
the absolute minimum, which is important for embedded applications. Debug
info naturally stays out of the program image and so this problem is
automatically solved.
-- Sean Silva
>
> So it would be best if possible to piggyback on all the effort that has
> gone into plumbing that data to make debug info work. For example, I know
> that on Darwin there's a fair amount of system-level integration to make
> split dwarf "just work" while keeping debug info out of final binaries.
>
> If there is a...
2017 Dec 13
5
RFC: Synthetic function entry counts
...rocedural BFI computation is likely to be more expensive in
terms of compile-time.
-
Many function passes invalidate the BFI. This will require selective
invalidation of function BFIs.
-
Inliner correctly updates function counts of a callee after a callsite
is inlined. We can piggyback on this mechanism by using synthetic counts.
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2008 Aug 29
2
IPMI and Dell ERA/O
Hi Everyone,
I have a dell 1750 server with ERA/O card running on FreeBSD 7.0-STABLE
According to Dell, the ERA card supports ipmi 1.0:
http://linux.dell.com/ipmi.shtml
But so far no luck with freebsd :/
[root@home /usr/src/sys/i386/conf]# ipmitool -I open channel info 1
Could not open device at /dev/ipmi0 or /dev/ipmi/0 or /dev/ipmidev/0: No
such file or directory
2010 Nov 22
2
New 'quiet' behavior - optional?
...e. However, since 3.74 this also
means that PXELinux runs quietly, making it impossible to see if the
image is properly loading, or if it is stalled, or slow. We appear
to be left with no way to specify (that I can find) the quietness of
the two independently. (In my view, it was undesirable to piggyback
off of an already existing commonly used parameter - making it
impossible to separate the two). This means we are left with two
undesirable choices, to either run completely silent (making network
or server or pxe firmware problems very difficult to detect), or run
without quiet completely, which...
2017 Jul 01
0
[RFC] Placing profile name data, and coverage data, outside of object files
...inary (not even consider coverage mapping) built
usually does not turn on debug information. Mixing them can lead to
significant object size increase that leads to linker failure for large
applications.
David
>
> -- Sean Silva
>
>
>>
>> So it would be best if possible to piggyback on all the effort that has
>> gone into plumbing that data to make debug info work. For example, I know
>> that on Darwin there's a fair amount of system-level integration to make
>> split dwarf "just work" while keeping debug info out of final binaries.
>>
>...
2009 Apr 13
5
WineHQ on Mac OS X
Hello,
I try to build last version of WineHQ on Mac following this : http://wiki.winehq.org/MacOSX/Building, but I can't find any configure file or any other file to generate one with autoconf. What should I do ?
I'm on Mac OS X Leopard 10.5.6 with developer tools installed and I try to build version 1.1.19
Thank you,
2020 Jan 28
3
Where does LTO remove unused functions?
Hi!
LLVM newbie here, I was mainly working on the frontend so far. We had a
small hackathon project idea to piggyback on LTO to detect dead code
(unused functions). The basic idea is to compile the code for every target
and dump the removed functions. Intersect the function symbol names for
each target and those functions should be safe to remove from the source
code (unless there were some configuration that was...
2001 Feb 14
2
RTP/RTCP payload?
...n
this case, not adequate by the reasons in RFC-1889.
but I don't think that's enough. rather than
sending comments in the same RTP packet, we'd
better send it in RTCP packet. to do that
we should define an RTCP APP name field for needed
situations, or an RTCP extension.
(or, could we piggyback on RFC-2793 and rather
define an XML format?...)
of course, when the tarkin goes beta, we would need
to define its own payload, AND the payload for multiplexed
physical stream, which could be compared to RFC-2343.
ps.
personally, I was a little shocked to see that
http://xiph.org/ogg/vorbis/faq....
2013 Apr 13
0
[LLVMdev] GSoC project questions.
...ly looks too big for GSoC.
>
> Though, it might be a good start for someone.
>
> I believe Bill (CCed) started something few years ago. So, maybe he
> can share his thoughts on this project.
FWIW, I also started working on a Fortran frontend (derived from Clang, but mostly just to piggyback on the Driver and CPP infrastructure).
https://github.com/hfinkel/lfort
If you're interested in contributing, that would be great. Nevertheless, I think that Anton is right. Creating a quality Fortran compiler is a community effort, and seems too big for a GSoC project. Perhaps we could identi...
2009 May 15
14
Grub2 on Xen PV
Hi,
Let me start a new thread for this. I contacted the Grub people, and
they seem more interested in creating a native Xen port of Grub than
piggybacking the Mini-OS environment usin kexec as I tried. But they
need some documentation on the Xen "firmware" to assess the task at
least. What could be given to them apart from hvc_xen.c and
xen-blkfront.c in the Linux sources? blkif-drivers-explained.txt?
For a start, Grub has a Coreboot...
2009 May 15
14
Grub2 on Xen PV
Hi,
Let me start a new thread for this. I contacted the Grub people, and
they seem more interested in creating a native Xen port of Grub than
piggybacking the Mini-OS environment usin kexec as I tried. But they
need some documentation on the Xen "firmware" to assess the task at
least. What could be given to them apart from hvc_xen.c and
xen-blkfront.c in the Linux sources? blkif-drivers-explained.txt?
For a start, Grub has a Coreboot...
2017 Dec 15
2
RFC: Synthetic function entry counts
...ust saying that we should infer a static profile
> for entry counts just like we do for branch probabilities. In the case of
> entry counts, we do not hide that information behind an analysis like BPI,
> so currently just annotating synthetic PGO entry counts is a simple
> solution that piggybacks on the PGO mechanism and Just Works.
>
> If that is correct then this makes perfect sense to me.
>
Yes, that is the proposal.
>
> It could be argued that we ought to refactor things so that the raw PGO
> metadata is only ever accessed via a wrapper CGSCC analysis that falls back...
2005 Mar 03
1
Kernel 2.6.11
...ables to compile against
the patched kernel source tree. I''m using iptables-1.3.0 patched with
the ''policy'' match and ''ipp2p''.
b) The ''ports'' parameter has been removed from the ip_nat_ftp kernel
module (it appears that module now just piggybacks on the similar
parameter to ip_conntrack_ftp). You will see a harmless error message
about this when Shorewall is [re]started if you have specified that
parameter in /etc/shorewall/modules or in /etc/modules.conf.
-Tom
--
Tom Eastep \ Off-list replies are cheerfully ignored
Shoreline, \ h...
2006 Aug 07
3
Rails and MSDE
Has anyone worked with Rails on Microsoft''s MSDE database server? (Not
SQL 2005 Express, but the older MSDE) I''m curious on the performance
and stability of the SQL Driver for Rails. I have a client needing a
new web app, but I have to pull and store the data from MSDE (I have no
choice on changing this).
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