On Friday, February 3, 2017 at 10:54:59 PM UTC+8, rog wrote:
>
> This program reports only one allocation per operation, which seems
> to indicate that your solution is already the right one:
>
> https://play.golang.org/p/Fx1EMYKRRd
>
>
>
Yes, but only for small strings with length <= 32
http
Well you're waiting in the select... so yeah its going to be at the top.
The tickers themselves take up quite a bit of resources, in a little test
like this.
I adjusted your test to remove all the tickers, and got about 4x the speed.
I also set GOMAXPROCS to 1 gives it a better case against nod
https://dave.cheney.net/2013/06/19/stress-test-your-go-packages
It's just a tiny script to randomly set GOMAXPROCS
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On Monday, February 6, 2017 at 11:55:21 PM UTC-6, Dave Cheney wrote:
>
> I think there are more data races in your product
>
Thanks for pointing that out, Dave. Fixed in latest. How were you running
(what is in stress.bash?) that caused more issues that "go test -race"
alone ?
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None whatsoever I'm afraid
On Tuesday, 7 February 2017 16:53:45 UTC+11, Jason E. Aten wrote:
>
>
> On Monday, February 6, 2017 at 11:49:42 PM UTC-6, Dave Cheney wrote:
>
>> The give away is the frequency of the gc lines. gc 15 (the 15th gc event)
>> happened at 1314 seconds into your programs exe
I think there are more data races in your product
http://paste.ubuntu.com/23946008/
On Tuesday, 7 February 2017 16:42:28 UTC+11, Jason E. Aten wrote:
>
> the race is fixed in the latest push;
> a572f570c52f70c9518bc1b3e3319ff9e2424885; it was an artifact of adding
> logging levels, and would ha
On Monday, February 6, 2017 at 11:49:42 PM UTC-6, Dave Cheney wrote:
> The give away is the frequency of the gc lines. gc 15 (the 15th gc event)
> happened at 1314 seconds into your programs execution this tells me that gc
> is likely not your problem. If it were your terminal would be swamped
> did manage to catch the processing running away again, this time at
300%, and I got some output with gctrace=1 as you suggested. I'm not sure
how to read the lines though; could you advise Dave?
The give away is the frequency of the gc lines. gc 15 (the 15th gc event)
happened at 1314 second
gc 15 @1314.779s 0%: 0.031+0.29+0.11 ms clock, 0.49+0/0.99/0.47+1.7 ms cpu,
167->167->164 MB,
wow, does that actually mean a 1314 second garbage collection? holy canoly.
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the race is fixed in the latest push;
a572f570c52f70c9518bc1b3e3319ff9e2424885; it was an artifact of adding
logging levels, and would have affected only the tests.
I did manage to catch the processing running away again, this time at 300%,
and I got some output with gctrace=1 as you suggested.
It looks like there are some data races in your code
http://paste.ubuntu.com/23945891/
It's not possible to debug runtime problems until there are no data races.
On Tuesday, 7 February 2017 16:07:55 UTC+11, Dave Cheney wrote:
>
> > Since there is nothing that changes in the processes over time,
> Since there is nothing that changes in the processes over time, the fact
that it kicks in after a few minutes makes me think it may be a garbage
collection issue.
Running with GODEBUG=gctrace=1 will confirm / deny this hypothesis.
On Tuesday, 7 February 2017 16:06:09 UTC+11, Jason E. Aten
On Monday, February 6, 2017 at 2:39:04 AM UTC+4, howar...@gmail.com wrote:
>
> What were you expecting to happen?
>
> The documentation says:
>
>Both pattern and replacement must be valid Go expressions. In the
> pat‐
>tern, single-character lowercase identifiers serve as wildc
On linux/amd64 using go1.8rc3, I'm seeing one Go built process peg one cpu
to 100% after running for a few minutes.
Tasks: 499 total, 1 running, 497 sleeping, 0 stopped, 1
zombie
On Monday, 6 February 2017 23:37:15 UTC-5, so.q...@gmail.com wrote:
>
>
> You said that Node is not required. But I thought react components are
> actually JavaScript objects.
>
They are. They execute on the client side, in the web browser.
> Would my Golang API server be responding back to
A little over a year ago, I experimented with server-side React rendering
in Go [1] via otto [2].
At least back then, otto wasn't fully ECMA5-compliant due to not supporting
negative lookaheads in regular expressions;
I had to open a PR on React [3] to remove one negative lookahead in the
rende
On Monday, February 6, 2017 at 5:51:28 PM UTC-5, Guber nator wrote:
>
> Hello,
>
> I have started to work on a project where I will need to build a simple
> cross platform GUI app in Go that will display transparent image on the
> desktop (like this one:
> https://upload.wikimedia.org/wikipedia
Thanks for the comment.
You said that Node is not required. But I thought react components are
actually JavaScript objects. Would my Golang API server be responding back
to requests with those JavaScript objects for the React library to render
on the client's browser?
On Monday, February 6,
On Wednesday, February 1, 2017 at 12:56:19 PM UTC-5, jul.s...@gmail.com
wrote:
>
> ...
> I'm far from having perfect understanding on the language but I'm starting
> to get the differences with a «typical» OO language and how to leverage its
> strengths
>
> I'd have to say this one: https://pl
I'd say store that context in your transaction value, not the other way around.
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I don’t see any problem when I scan it with BitDefender. I’m running the
Internet Security 2016 version, build 20.0.29.1550. How about you?
John
John Souvestre - New Orleans LA
From: golang-nuts@googlegroups.com [mailto:golang-nuts@googlegroups.com] On
Behalf Of xiiop...@gmail.com
Maybe Han-Wen, copied, knows.
On Mon, Feb 6, 2017 at 7:00 PM, Robert Hsiung wrote:
> Hi Brad:
> Thanks so much for your suggestion. I run "ssh -v" and get useful
> information as attachment.So,I modify the code,but occurred the different
> problem as below.
> ssh: handshake failed: ssh: une
I know the compare to nodejs doesn't mean anything because of different
mechanism.
I just want to find out what is the best way to use select, specially in a
for loop.
And in my messageLoop case, perhaps I have to reduce the number of channels
in the select, and make multiple kind of events ro
Hi Brad:
Thanks so much for your suggestion. I run "ssh -v" and get useful
information as attachment.So,I modify the code,but occurred the different
problem as below.
ssh: handshake failed: ssh: unexpected message type 3 (expected one of [6])
// ftp
package main
import (
"fmt"
"g
I'd like input on whether the following idea is good or bad, and why.
Consider an abstract transaction, modeled as follows:
func Transaction(ctx context.Context, body func(ctx context.Context) error)
error
func OnCommit(ctx context.Context, commitHook func(ctx context.Context))
func OnRollback(ctx
I think there is no GUI lib in Golang can do software for serious business.
if it is not for play&study, use QT or others is better for business
decision.
BR fino
在 2017年2月7日星期二 UTC+8上午6:51:28，Guber nator写道：
>
> Hello,
>
> I have started to work on a project where I will need to build a simpl
Not sure if this is known but I seem to be getting a malware flag on
go/pkg/tool/windows_386/trace.exe ie https://golang.org/pkg/runtime/trace/
of Trojan:Win32/Skeeyah.A!rfn ie
https://www.microsoft.com/security/portal/threat/encyclopedia/entry.aspx?name=Trojan%3aWin32%2fSkeeyah.A!rfn
when sc
Oops. I didn't see this correct answer posted by Kortschak
--
Kevin Powick
On Thursday, 2 February 2017 18:41:13 UTC-5, kortschak wrote:
>
> You have handed json.Unmarshal a non-slice/non-array type.
>
> Try this https://play.golang.org/p/Zl5G_Rkt26
>
>
>
--
You received this message becaus
Since you have an array of JSON data, you need to Unmarshal it into an
Array of your struct, then range over the resulting array of your struct.
Updated version of your code at: https://play.golang.org/p/gnx7pjTzOT
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Kevin Powick
On Thursday, 2 February 2017 18:20:49 UTC-5, Rejoy wrote:
>
>
>
Yes , it makes sense to me . You can use golang as an api server . Node
helps you in SEO . Probably you can have a look
at https://github.com/erikras/react-redux-universal-hot-example.
Thanks,
charan
On Monday, February 6, 2017 at 10:39:10 PM UTC+5:30, so.q...@gmail.com
wrote:
>
> Correct me
Not being familiar with the field of typography, I have no idea how these
changes will affect the Go fonts.
However, if they make the examples shown in the Go blog from November 2016
significantly less ugly, I'm all for ti.
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On Thursday, 2 February 2017 19:25:42 UTC-5, Nigel Tao
React is one of many client side (browser) JavaScript frameworks for
building user interfaces.
JSX is not required when using React, but is recommended as it gives you
the full power of JavaScript to describe your rendered HTML.
Node is not required. If you're using Go, use it to build a serve
You don't have to use server-side rendering. You can have the React client
make ajax requests to your Go backend.
On Monday, February 6, 2017 at 12:09:10 PM UTC-5, so.q...@gmail.com wrote:
>
> Correct me if I'm wrong, but in serving web apps and sites.
>
> Golang simply fills in the blanks for pr
Hello,
I have started to work on a project where I will need to build a simple
cross platform GUI app in Go that will display transparent image on the
desktop (like this one:
https://upload.wikimedia.org/wikipedia/commons/2/23/Golang.png -
transparent background) always on top, no window deco
One possibility:
func (s *SimplePeerConn) Read(b []byte) (n int, err error) {
ctx, maybeCancelFn := func() (context.Context, context.CancelFunc) {
s.deadlineLock.RLock()
defer s.deadlineLock.RUnlock()
if !s.readDeadline.IsZero() {
return context.WithDeadline(context.Background(
Perhaps just read the deadline in the lock, then do the rest outside the
lock:
func (s *SimplePeerConn) Read(b []byte) (n int, err error) {
s.deadlineLock.RLock()
deadline := s.readDeadline
s.deadlineLock.RUnlock()
ctx := context.Background()
if !deadline.IsZero() {
dctx, cancel :=
I have the following function:
func (s *SimplePeerConn) Read(b []byte) (n int, err error) {
ctx := context.Background()
var maybeCancelFn context.CancelFunc
func() {
s.deadlineLock.RLock()
defer s.deadlineLock.RUnlock()
if !s.readDeadline.IsZero() {
ctx, maybeCancelFn = con
I've fallen into a quite hideous trap:
after upgrading google.golang.org/grpc, my app compiled, but paniced with
double "/debug/requests" handle registration in net/http.
This is caused by double import of golang.org/x/net/trace, two different
versions: one is in google.golang.org/grpc, the othe
I'm curious what the reason behind this error is, and why it is based off
of the path to the file the plugin was generated from, rather than
something like a hash of the contents of the file (or the path of the .so
file itself). To me it seems wrong to use the filepath because it means
that you
Excellent, thanks for the tip!
On Monday, February 6, 2017 at 2:11:54 PM UTC, Konstantin Khomoutov wrote:
>
> On Mon, 6 Feb 2017 02:20:31 -0800 (PST)
> omarsharif...@gmail.com wrote:
>
> > Just a quick one - anyone know of a JQ package that supports
> > modifying values that match? I've found
Thanks!
On Sunday, 5 February 2017 01:25:21 UTC, Nigel Tao wrote:
>
> On Mon, Jan 23, 2017 at 6:03 AM, kalekold via golang-nuts
> > wrote:
> > Hmm.. the source gif I'm using must be compressed. Doesn't Go handle
> > compressed gifs in the same way? When you say 'I may get unexpected
> results'
Correct me if I'm wrong, but in serving web apps and sites.
Golang simply fills in the blanks for predefined templates.
React appears to be a bit more complicated requiring the creation of
JavaScript/JSX classes representing the view. Having that rendered on the
server-side and the difference a
>From looking at:
ssh: unable to authenticate, attempted methods [none], no supported methods
remain
It seems like your ssh server requires a different authentication mode and
doesn't support KeyboardInteractive (a password).
Does the standard ssh client work? What does "ssh -v" say?
On Mon, F
That does look better.
Are there any other examples from the Go source I can look at it?
On Sunday, February 5, 2017 at 1:56:51 PM UTC-8, Lars Seipel wrote:
>
> On Sat, Feb 04, 2017 at 12:08:20AM -0800, so.q...@gmail.com
> wrote:
> > The following would print out "ERROR: Foo() ERROR: Bar() E
After the support for plugins in Go 1.8 is there any effort in community
towards Go OSGi.
thanks,
Vimal
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Dear all:
I tried to test sftp function with below coding,but occurred problem as
below. Please give me suggestions. Thanks so much.
ssh: handshake failed: ssh: unable to authenticate, attempted methods
[none], no supported methods remain
package main
import (
"fmt"
"github.com/pkg/sftp"
"
Hi,
I've a legacy application at hand that has a nginx as TLS offloader in
front of it. Besides a simple frontend the application offers an API
including a PKI infrastructure (CSRs are pushed to server, signed CRTs are
returned). The nginx is configured to optionally request a client
certific
On Sun, Feb 5, 2017 at 7:59 PM wrote:
> I make a test to see the performance of select, and found the result is
> not good.
>
> I make 1000 SeqQueue objects and run its messageLoop function (which does
> a small piece of work, and is listed as below) in 1000 separate go
> routines. The CPU cost i
A few remarks:
1/ If you want to compare to node.js, please remove the CPU profiling
option from the go program - it comes with some overhead.
2/ The comparison is not really fair.
node.js implements a unique event loop (everything runs on the same thread).
Go generally schedules the goroutines
Ø I probably missed a lot of things, so feel free to correct me
Go’s CSP is based on lightweight threads (goroutines), messaging (channels),
and “select” – all of which are built into the language, not a library. Being
built in makes then easier to use than dealing with libraries. Locks and
What cipher quite is negotiated when you connect to the Heroku proxy?
What version of Go are you using on the server, and are you using the
default tls.Config?
I don't have that client directly available to test with, but does your
particular client show the expected information when you
visi
On Mon, 6 Feb 2017 02:20:31 -0800 (PST)
omarshariffdontlik...@gmail.com wrote:
> Just a quick one - anyone know of a JQ package that supports
> modifying values that match? I've found several packages that support
> reading values but none that support modifying values on match.
Quick searching o
Seems for me, you don't do any selection like in JS code, even any
polling. Sure it would perform better. (Maybe I'm missing something, not
so proficient in nodejs)
On 02/06/2017 08:56 AM, fwang2...@gmail.com wrote:
For compared with nodejs:
if I remove all the serverDone case, only left the t
On Monday, February 6, 2017 at 11:16:22 AM UTC, T L wrote:
>
>
>
> On Monday, February 6, 2017 at 6:43:04 PM UTC+8, T L wrote:
>>
>>
>>
>> On Monday, February 6, 2017 at 3:14:22 AM UTC+8, Ian Lance Taylor wrote:
>>>
>>> On Sun, Feb 5, 2017 at 10:52 AM, T L wrote:
>>> > Ian, thanks for the answe
I think it is a good idea. The only thing you should check before going for
it is what other clients are doing. Some times what is in the RFC is not
what has been implemented in reality. This can mean that if you start
following the RFC spec, you end up breaking some clients in the process,
which c
On Monday, February 6, 2017 at 6:43:04 PM UTC+8, T L wrote:
>
>
>
> On Monday, February 6, 2017 at 3:14:22 AM UTC+8, Ian Lance Taylor wrote:
>>
>> On Sun, Feb 5, 2017 at 10:52 AM, T L wrote:
>> > Ian, thanks for the answers.
>> >
>> > But I still not very confirm on many points.
>> >
>> > U
On Monday, February 6, 2017 at 3:14:22 AM UTC+8, Ian Lance Taylor wrote:
>
> On Sun, Feb 5, 2017 at 10:52 AM, T L >
> wrote:
> > Ian, thanks for the answers.
> >
> > But I still not very confirm on many points.
> >
> > Up to now, there are two places mention the alignments in Go.
> >
> >
Just a quick one - anyone know of a JQ package that supports modifying
values that match? I've found several packages that support reading values
but none that support modifying values on match.
Cheers!
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Hi.
I have noted that the implementation of multipart.Reader.ReadForm *knows*
the size of
a file, but it just discards it. Isn't it better if it make it available
as a field in the FileHeader
or, probably better as an additional Content-Length header?
RFC 7578 says "The multipart/form-data me
Hi,
This package was created to format .proto files but could also be used to
write code generators (eg. HTML doc, mocks).
https://github.com/emicklei/proto
Example from the unittest_proto3_arena.proto
// Test messages for packed fields
message TestPackedTypes {
repeated int32 packed_i
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