MACOS 10.12.6 Build Error
./all.bash
Building Go cmd/dist using /Users/nzlov/program/go1.4.
Building Go toolchain1 using /Users/nzlov/program/go1.4.
Building Go bootstrap cmd/go (go_bootstrap) using Go toolchain1.
Building Go toolchain2 using go_bootstrap and Go toolchain1.
Building Go toolchain
I am running the same version and do not see that errro. Have you modified your
ulimit? Does your machine have any sort of antivirus or monitoring software
installed?
In any case, I would say you can ignore that error, Go is correctly built by
that time.
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> - Is there a way to avoid the extra level of Run() nesting? It's a little
> annoying when specifying a command to `go test -run`.
That's an interesting question.
Here's one possible solution: use reference counting to clean up the
resource after us. Since we
can rely on the fact that all paral
>
> It looks only a very small part of expressions can be viewed as statements.
Why only a small fraction of expressions can be viewed as a statement?
I agree that only a fraction can be _usefully_ used as a statement, but all
are ok as statement.
The key is that when using an expression as a sta
Hi all,
We've been trying to track down a nasty memory allocation issue (i.e. a
leak somewhere) for the past few months and mostly failed. A few times we
thought to create a heap profile to see where the memory is at, but the
heap profile only tells us where the memory was allocated (I can answe
To me having packages in an application is already a code smell, my
requirement is each non-main package should provide very specific
functionality that could be shared between applications.
I remember the Quake source code having most everything in one directory of
C files, and I think Go appl
For Go 2 I mentioned adding multiple cases or fallthrough for select
here: https://github.com/golang/go/issues/23196
Matt
On Thursday, July 11, 2013 at 12:52:15 AM UTC-5, Johann Höchtl wrote:
>
> On 10.07.2013 22:50, Rob Pike wrote:
> > As far as the select is concerned, what you have is right.
Hi, I would like to use go test. But I am not sure how to use it.
Could you anybody provide me with a minimal working example how to use go
test? Thanks.
$ cat main_test.go
#!/usr/bin/env gorun
// vim: set noexpandtab tabstop=2:
package foo
import (
"testing"
)
func TestSomething(t *test
On Thu, Jan 18, 2018 at 5:01 PM wrote:
> main_test.go:1:1: illegal character U+0023 '#'
The message says it all. Go is not an interpreted scripting language
supporting #-style comments like bash, Python etc.
--
-j
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Is your test request source running on the same computer? Have you disabled
OS power management features?
Matt
On Thursday, January 18, 2018 at 10:23:43 AM UTC-6, sotte...@gmail.com
wrote:
>
> I developed an RPC Service with high requirements for real-time
> performance. There was an unexpecte
On Monday, 16 July 2012 13:55:53 UTC+3, Rémy Oudompheng wrote:
>
> Did you have a look at filepath.EvalSymlinks?
>
> Rémy.
>
Confirmed to be working. Thanks Remy.
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Hi,
I ran into this recently, and I'm not sure it's expected behavior.
The Go spec says that accessing a struct field on a nil pointer should
panic (example: https://play.golang.org/p/KsIyVll7NE0). This panic can be
recovered from.
In an iOS library built with gomobile, instead of a panic, I g
Hi all,
How many members has core team?
How are they internally organised?
(How are they organised on daily bases? How many sub teams exist and how
are they divided?)
Are they all on Google salaries?
Thanks.
d.
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Hi,
I've got structs containing custom types. I'm hoping to use reflect
to create some fairly generic code to Validate() every field of a struct
based on its type, but I can't seem to get the code right. Is this
possible? I've set up a playground to show where I've gotten.
https://play.golang
See also https://github.com/golang/go/issues/7381 especially
https://github.com/golang/go/issues/7381#issuecomment-66091683.
Russ
On Thu, Jan 18, 2018 at 5:21 AM, Dave Cheney wrote:
> I am running the same version and do not see that errro. Have you modified
> your ulimit? Does your machine ha
On 01/18/2018 01:28 PM, Boone Severson wrote:
> Hi,
>
> I've got structs containing custom types. I'm hoping to use reflect
> to create some fairly generic code to Validate() every field of a
> struct based on its type, but I can't seem to get the code right. Is
> this possible? I've set up a pl
On Thu, Jan 18, 2018 at 7:28 PM Davor Kapša wrote:
> How many members has core team?
>
> How are they internally organised?
> (How are they organised on daily bases? How many sub teams exist and how
are they divided?)
>
> Are they all on Google salaries?
Confidential information, I guess.
--
The contributors are explorable
here: https://github.com/golang/go/graphs/contributors
Matt
On Thursday, January 18, 2018 at 12:42:03 PM UTC-6, Jan Mercl wrote:
>
> On Thu, Jan 18, 2018 at 7:28 PM Davor Kapša > wrote:
>
> > How many members has core team?
> >
> > How are they internally organi
Thank you for the response. I've chosen to have Validate() receive a copy
of the value, but I still can't find Validate() in the list of Methods:
https://play.golang.org/p/uCeCB-wv4Ku (run to see output)
Any further advice? Thanks in advance.
On Thursday, January 18, 2018 at 10:40:34 AM UTC-8,
(for completeness and future reference, I found how Addr() will let me use
a pointer receiver https://play.golang.org/p/JSKduIPDV2e . However, I'm
still at the place I was in the Go Playground link mentioned immediately
above)
On Thu, Jan 18, 2018 at 11:14 AM, Boone Severson
wrote:
> Thank you
In the Error Handling section, you mention having to write a special
package to capture stack traces. Would https://github.com/pkg/errors have
done what you want?
On Tue, Jan 16, 2018 at 6:18 AM Tad Vizbaras wrote:
> I used "walk" for prototyping but found it too complex. I do not mean this
> as
Yes, that what I have used. I feel that package
https://github.com/pkg/errors is good enough to be in the standard library.
At least part of it that does stack trace.
In all respects Go worked very well for this project.
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Badger write performance is a bit worse than boltdb. And badger suggests to
batch writes. But so does boltdb.
At the same time at badger's GitHub page it says it has higher write
performance compared to boltdb.
Is there a sample of how to do high performance/throughput writes with
badger?
--
On Thu, Jan 18, 2018 at 9:23 AM, Davor Kapša wrote:
>
> How many members has core team?
>
> How are they internally organised?
> (How are they organised on daily bases? How many sub teams exist and how are
> they divided?)
>
> Are they all on Google salaries?
We do use the phrase "core team" loos
Thanks Ian.
On Thursday, January 18, 2018 at 9:14:52 PM UTC+1, Ian Lance Taylor wrote:
>
> On Thu, Jan 18, 2018 at 9:23 AM, Davor Kapša > wrote:
> >
> > How many members has core team?
> >
> > How are they internally organised?
> > (How are they organised on daily bases? How many sub teams e
Ok, asked and answered. Figuring out .Addr() was a key, as was finding the
magic incantation to get a handle to a method. I'm curious if there's a
better method.
https://play.golang.org/p/49Yj9G0egRI
package main
import (
"fmt"
"reflect"
)
type FooTypeA uint8
type FooTypeB uint8
type MyStruc
Hi,
The following example shows how to write a byte slice to a buffer. But
what if I want only write a length shorter (say 2 instead of 5) than
the size of the slice. Is there a function that allows users to
specify the length to write? Thanks.
$ cat main.go
#!/usr/bin/env gorun
// vim: set noexp
n, err := f.Write(d[:length]) ?
Where length is the amount of data you want to write.
On Thu, Jan 18, 2018 at 3:04 PM Peng Yu wrote:
> Hi,
>
> The following example shows how to write a byte slice to a buffer. But
> what if I want only write a length shorter (say 2 instead of 5) than
> the size
If you want to write a length shorter than the slice, make the slice
shorter. No, seriously...
n, err := f.Write(d[:2])
On Thu, 2018-01-18 at 17:04 -0600, Peng Yu wrote:
> Hi,
>
> The following example shows how to write a byte slice to a buffer.
> But
> what if I want only write a length shorte
Dan & Bruno,
I didn't realize that it is as simple as that :) Thanks.
Does it involve any extra copy of the byte slice? Or f.Write literally
access the memory of d and only access 2 bytes of data for writing to
the buffer?
On Thu, Jan 18, 2018 at 5:13 PM, Dan Kortschak
wrote:
> If you want to w
It creates a new slice header, but the backing array is not copied.
On Thu, Jan 18, 2018 at 3:35 PM Peng Yu wrote:
> Dan & Bruno,
>
> I didn't realize that it is as simple as that :) Thanks.
>
> Does it involve any extra copy of the byte slice? Or f.Write literally
> access the memory of d and o
Actually, it is even possible that not even a new slice header is created
in this case, but I did not check.
On Thu, Jan 18, 2018 at 3:56 PM Bruno Albuquerque wrote:
> It creates a new slice header, but the backing array is not copied.
>
> On Thu, Jan 18, 2018 at 3:35 PM Peng Yu wrote:
>
>> Da
thx.
On Friday, January 19, 2018 at 2:30:17 AM UTC+8, Russ Cox wrote:
>
> See also https://github.com/golang/go/issues/7381 especially
> https://github.com/golang/go/issues/7381#issuecomment-66091683.
>
> Russ
>
>
> On Thu, Jan 18, 2018 at 5:21 AM, Dave Cheney > wrote:
>
>> I am running the same
* Peng Yu [180118 18:37]:
> Dan & Bruno,
>
> I didn't realize that it is as simple as that :) Thanks.
>
> Does it involve any extra copy of the byte slice? Or f.Write literally
> access the memory of d and only access 2 bytes of data for writing to
> the buffer?
The blog entry https://blog.gola
like for 1.8 1.6
for archeology and other reasons, I am researching a in-house software
written in Golang1.6
want an online version of golang1.6 doc?
https://golang.org/doc/go1.6/pkg/encoding/json/
https://golang.org/pkg/encoding/json/ as I'm checking here is always
pointing to latest version?
Make sure to disable anti-virus software. Such software hooks into file
operations in order to scan files for viruses and can keep files open
longer than you expect. That would be consistent with the error message
you're seeing.
This is not limited to anti-virus software but it's most common wi
I wrote this code add.go:
package asm
func add(a, b int) int {
return a + b
}
then I compile this code to asm:
go tool compile -S add.go
the output is:
"".add STEXT nosplit size=19 args=0x18 locals=0x0
0x 0 (add.go:3) TEXT"".add(SB), NOSPLIT, $0-24
0x 0 (add.go:3) FUN
I want to find out how long a process has been running.
I'm grabbing the starttime out of /proc/$pid/stat for a process. This is in
"in clock ticks (divide by sysconf(_SC_CLK_TCK))." according
to http://man7.org/linux/man-pages/man5/proc.5.html
I also have Sysinfo.Uptime (seconds since boot). M
On Thu, Jan 18, 2018 at 5:32 PM, derek wrote:
> like for 1.8 1.6
>
> for archeology and other reasons, I am researching a in-house software
> written in Golang1.6
> want an online version of golang1.6 doc?
>
> https://golang.org/doc/go1.6/pkg/encoding/json/
>
> https://golang.org/pkg/encoding/json
On Thu, Jan 18, 2018 at 6:21 PM, sheepbao wrote:
>
> I wrote this code add.go:
> package asm
>
> func add(a, b int) int {
>return a + b
> }
>
> then I compile this code to asm:
> go tool compile -S add.go
> the output is:
> "".add STEXT nosplit size=19 args=0x18 locals=0x0
>0x 0 (a
You can do it with cgo. I have some code that does this:
// #include
import "C"
func init() {
clockTicksPerSec = float64(C.sysconf(C._SC_CLK_TCK))
if clockTicksPerSec != 100 {
log.Println("Unusual _SC_CLK_TCK value:", clockTicksPerSec)
}
}
var clockTicksP
hello my dear friend Google man:
I have some questions.
type Point struct{
x int
y int
}
func (p *Point) hehe(i int) {
p.x = i
p.y = i
}
func main(){
Point{1,2}.hehe(4) // compile error: can't take address of Point literal
}
The book says that there’s no way to obtain the add
Point{1,2} is not a temporary variable but a literal
and these do have addresses. Just not automatically.
V.
On Friday, 19 January 2018 07:26:04 UTC+1, 王晚成 wrote:
>
> hello my dear friend Google man:
> I have some questions.
>
> type Point struct{
> x int
>y int
> }
>
> func (p
a. request client and server running on the same computer.
b. Unfortunately, I have not find the method how to disable OS power
management. I re-running this case on linux server, result shows that
there is almost no time out. I suspect the P's block is affected by the
external operating envir
On Fri, Jan 19, 2018 at 7:48 AM Volker Dobler
wrote:
> Point{1,2} is not a temporary variable but a literal
> and these do have addresses. Just not automatically.
Did you mean &Point{1, 2}? Otherwise Point{1, 2} is a non-addressable value
like 42. Literals do not have addresses before assigned t
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