smallnest

#
# Wide-open CORS config for nginx
#
location / {
     if ($request_method = 'OPTIONS') {
        add_header 'Access-Control-Allow-Origin' '*';
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
        #
        # Custom headers and headers various browsers *should* be OK with but aren't
        #

smallnest

1. GOCACHE=off ， go 1.11这个环境变量会被去除
2. -count=1
3. go clean -cache
4. -a 重编译
5. -gcflags="all=-a" 重编译

smallnest

package main

import (
	"crypto/tls"
	"fmt"
	"net/http"

	"golang.org/x/crypto/acme/autocert"
)

smallnest

See also, http://libraryofalexandria.io/cgo/

Using Go cgo

cgo has a lot of trap.
but Not "C" pkg also directory in $GOROOT/src. IDE's(vim) Goto command not works.

So, Here collect materials.

smallnest

1 普通匹配，遵循最长匹配规则，假设一个请求匹配到了两个普通规则，则选择匹配长度大的那个
  例如： 
  location /{
    [matches]
  }
  location /test{
    [matches]
  }
2 精确匹配
  location = /{

smallnest

http {
    include       mime.types;
    default_type  application/octet-stream;

    sendfile        on;
    keepalive_timeout  65;

        upstream myappget {
        server 127.0.0.1:3000;

smallnest

// v2 of the great example of SSE in go by @ismasan.
// includes fixes:
//    * infinite loop ending in panic
//    * closing a client twice
//    * potentially blocked listen() from closing a connection during multiplex step.
package main

import (
	"fmt"
	"log"

smallnest

// v2 of the great example of SSE in go by @ismasan.
// includes fixes:
//    * infinite loop ending in panic
//    * closing a client twice
//    * potentially blocked listen() from closing a connection during multiplex step.
package main

import (
	"fmt"
	"log"

smallnest

out, err := exec.Command("bash", "-c", "ps cax | grep myapp").Output()

smallnest

package main

import (
	"fmt"
	"syscall"
)

type DiskStatus struct {
	All  uint64 `json:"all"`
	Used uint64 `json:"used"`