Re: [go-nuts] Abridged summary of golang-nuts@googlegroups.com - 24 updates in 11 topics

[Jonathan Lawlor]

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From: golang-nuts@googlegroups.com‎ Sent: Saturday, September 17, 2016 7:35 PM‎ To: Abridged recipients Subject: [go-nuts] Abridged summary of golang-nuts@googlegroups.com - 24 updates in 11 topics golang-nuts@googlegroups.com‎ Google Groups Today's topic summary View all topics reflect, is it possible to get the [body + sign] of a func as text at runtime ? - 2 Updates The site at localhost:1234 can't be reached. - 3 Updates http2 and TSL handshake errors - 1 Update how to restrict the program run only one instance - 1 Update Websocket's (RFC6455) fate after HTTP/2?? - 1 Update differences between pointer and value slice in for-range loop - 3 Updates How the main func started? - 2 Updates text/template and preserving new lines from a struct field - 2 Updates How to deal with "Expect: 100-continue" *without* sending a 100 status - 2 Updates Why + and += operators for string but not slices? - 6 Updates How example can be run in test? - 1 Update reflect, is it possible to get the [body + sign] of a func as text at runtime ? mhhcbon <cpasmaboiteas...@gmail.com>: Sep 17 03:53AM -0700 Hi,   i m wondering if one can use reflect to extract at runtime the body and and signature of a Func or 'Public method' ? Will a reflect.Value.String of a Method give me that data ? ...more aro...@gmail.com: Sep 17 02:09PM -0700 Use the Type: reflect.Value.Type.String: https://play.golang.org/p/dlwjCROG6H   On Saturday, September 17, 2016 at 3:53:35 AM UTC-7, mhhcbon wrote: ...more Back to top The site at localhost:1234 can't be reached. loc...@gmail.com: Sep 16 10:24PM -0700 Hello everyone,   I am using Go version 1.7.1 on a 32-bit version of Windows 10 and cannot view the contents of the address localhost:1234. I created a server at the aforementioned address or at ...more Dave Cheney <d...@cheney.net>: Sep 17 12:58PM -0700 Move http.ListenAndServe to the top of the main() function, outside the http.HandleFunc call and it will work.   ...more Shawn Milochik <shawn.m...@gmail.com>: Sep 17 03:58PM -0400 The ListenAndServe shouldn't be in the handler function.   When you run this app, does it exit immediately? Because it looks like it exits immediately. Not serving anything. ...more Back to top http2 and TSL handshake errors gobri...@baroncelli.eu: Sep 17 06:32AM -0700 My Go application has both standard http (on port 80) and SSL (on port 443) enabled.   I continuously get these 3 kinds of error:     *http2: server: error reading preface from client ...more Back to top how to restrict the program run only one instance Rodolfo Amaral <rodolf...@gmail.com>: Sep 17 07:15AM -0700 I know this topic is a bit old, but I needed it recently on Windows and I'll post here how I did it in case someone else needs.   I used Windows mutex as described by ankurg...@gmail.com:   var ( ...more Back to top Websocket's (RFC6455) fate after HTTP/2?? Srivathsan Madhavan <m.srivath...@gmail.com>: Sep 17 12:29AM -0700 Hi all,   My apologies; I very well understand that the answers to my question here could be subjective / opinions yet I would like to know if I could really continue banking on this Websockets. ...more Back to top differences between pointer and value slice in for-range loop Fei Ding <fding...@gmail.com>: Sep 16 08:30PM -0700 Hi:   Please check this code snippet:   package main   import ( "fmt" "time" )   type field struct { name string }   func (p *field) print() { fmt.Println(p.name) } ...more Marvin Stenger <marvin.stenge...@gmail.com>: Sep 17 04:18AM -0700 Because print() is called on different pointer values. ...more Marvin Renich <m...@renich.org>: Sep 17 02:03PM -0400 > go v.print() > }   > It seems to print* one two three*, why?   Try running your example with the race detector. Then try commenting out, on separate trials, each of the two cases, ...more Back to top How the main func started? dc0d <kaveh.shahbaz...@gmail.com>: Sep 17 06:28AM -0700 How to find out if the *main* function is started by executing the compiled binary or by *go run*?   By examining *os.Args* it can be seen at the first case (running the app) we will have the ...more peterGo <go.peter...@gmail.com>: Sep 17 07:02AM -0700 dc0d,   It's implementation dependendent. Be explicit. For example, pass a flag argument,   *//go:generate go run main.go -gogenerate*   Peter   On Saturday, September 17, 2016 at 9:28:16 AM ...more Back to top text/template and preserving new lines from a struct field Joseph Lorenzini <jalo...@gmail.com>: Sep 17 05:44AM -0700 Hi all,   Say I have the following struct:   type Info struct { Summary string Desc string }   And this is the template string   tmplStr = `Summary={{.Summary}}, ...more Joseph Lorenzini <jalo...@gmail.com>: Sep 17 05:59AM -0700 Actually, the issue is not the template but my logger. The logger is writing to os.Stderr for some reason that's not preserving new lines but if i do fmt.Println then the new lines are preserved. ...more Back to top How to deal with "Expect: 100-continue" *without* sending a 100 status David Anderson <d...@natulte.net>: Sep 16 09:07PM -0700 Tricky one. A couple of options spring to mind, none of them amazingly good:   - Use a GCE Network LB instead of HTTP LB. You can bring the TCP sessions straight to your web servers, with ...more Ian Rose <ianros...@gmail.com>: Sep 17 12:44PM Thanks Dave - all good suggestions!   > Use a GCE Network LB instead of HTTP LB.   I'm hoping to avoid using a network LB since we are operating over https so that means we'll have to terminate SSL ...more Back to top Why + and += operators for string but not slices? paraiso.m...@gmail.com: Sep 16 04:31PM -0700 Because Go creators have a strong opinion about what + means. I would argue the languages that engage into these sort of things especially those who allow operator overloading are antithetic to Go ...more oyi...@gmail.com: Sep 16 07:31PM -0700 Context enables homonyms in spoken languages and overloaded or polymorphic notation in mathematics. Types do the same in programming languages. The rationale for + over join() or cat() for string ...more Jesse McNelis <jes...@gmail.com>: Sep 17 12:41PM +1000 > Context enables homonyms in spoken languages and overloaded or polymorphic notation in mathematics. Types do the same in programming languages. The rationale for + over join() or cat() for ...more paraiso.m...@gmail.com: Sep 17 02:43AM -0700 The more contextual a PL's semantics is the harder it is to make sense of a program written in that PL (the inverse is also true, that's why we don't program lining zeros and ones ) ... ...more johnro...@gmail.com: Sep 17 04:55AM -0700 > I have not been able to find an explanation. Does anyone care to explain > or point to relevant documentation?   One data point: I'd expect slice + slice to create a new object, that is, a ...more oyi...@gmail.com: Sep 17 05:17AM -0700 A slice shares enough properties with string to make + intuitive.   [a, b, y, z] = [a, b] + [y, z] // make() and copy()   To me the ++ operator (and +=) operator for slices are intuitive too. ...more Back to top How example can be run in test? Harry <hiroma...@gmail.com>: Sep 16 11:19PM -0700 I got it. In my case, there was only Example func. When adding something Testxxx func, it worked well.     2016年9月17日土曜日 6時52分30秒 UTC+9 James Bardin: ...more Back to top You received this digest because you're subscribed to updates for this group. You can change your settings on the group membership page. 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