NaN Tanete

## netdb-on-linux-mint.md

      
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                Tanete
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              November 20, 2018 09:18
            
              
                Fix "cannot rename due to errors: /usr/local/go/src/net/cgo_linux.go:10:19: fatal error: netdb.h: no such file or directory" error on LinuxMint
              
          
    Fix "cannot rename due to errors: /usr/local/go/src/net/cgo_linux.go:10:19: fatal error: netdb.h: no such file or directory" error on LinuxMint


Using Visual Studio Code on Linux Mint 18.1 Cinnamon Edition.


Trying to use Rename Symbol feature (gorename) to rename variable name.


Error message "cannot rename due to errors: /usr/local/go/src/net/cgo_linux.go:10:19: fatal error: netdb.h: no such file or directory"


Missing netdb.h on Linux Mint like this post?


## result_average.csv

          
            并发用户数
            吞吐率（reqs/s）
            请求等待时间（ms）
            请求处理时间（ms）

            
              1
              3371.31
              0.296
              0.296

            
              2
              3468.59
              0.577
              0.288

            
              5
              3578.76
              1.397
              0.279

            
              10
              3616.40
              2.765
              0.277

            
              20
              3605.91
              5.547
              0.277

            
              50
              3273.38
              15.299
              0.306

            
              100
              3550.69
              28.165
              0.281

            
              200
              3445.74
              58.060
              0.290

            
              500
              3410.83
              146.605
              0.293

## result-1-5000
This is ApacheBench, Version 2.3 <$Revision: 1528965 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient)


Server Software:
Server Hostname:        localhost
Server Port:            8080

## ruff-music.js
'use strict';

// var f = [262, 294, 330, 349, 392, 440, 494, 523, 587, 659, 698, 784, 880, 988, 1047, 1175, 1319, 1397, 1568, 1760, 1976];

// var f = [1, 262, 294, 330, 349, 392, 440, 494];

var f = [1, 523, 587, 659, 698, 784, 880, 988, 1047]

var duration = 400;
var gap = 80;

## railsbox_error_info
D:\Program Files\Dropbox\Project\rails10-meetup-railsbox\railsbox
vagrant up
checking for ansible-playbook... no
Bringing machine 'rails10-meetup' up with 'virtualbox' provider...
==> rails10-meetup: Importing base box 'trusty64'...
==> rails10-meetup: Matching MAC address for NAT networking...
==> rails10-meetup: Setting the name of the VM: railsbox_rails10-meetup_1422001421257_90292
==> rails10-meetup: Clearing any previously set forwarded ports...
==> rails10-meetup: Clearing any previously set network interfaces...
==> rails10-meetup: Preparing network interfaces based on configuration...

## CGSW.c
#include <stdio.h>
#include <math.h>
#define N 21                    // number of variables +1 (shouble be odd)

double delta_1 = 1E-4;          // strong wolfe condition Rule1 delta_1
double delta_2 = 0.1;           // strong wolfe condition Rule2 delta_2
double epsilon = 1E-6;

// define f function
double f(double x[N]) {
并发用户数	吞吐率（reqs/s）	请求等待时间（ms）	请求处理时间（ms）
1	3371.31	0.296	0.296
2	3468.59	0.577	0.288
5	3578.76	1.397	0.279
10	3616.40	2.765	0.277
20	3605.91	5.547	0.277
50	3273.38	15.299	0.306
100	3550.69	28.165	0.281
200	3445.74	58.060	0.290
500	3410.83	146.605	0.293
	This is ApacheBench, Version 2.3 <$Revision: 1528965 $>
	Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
	Licensed to The Apache Software Foundation, http://www.apache.org/

	Benchmarking localhost (be patient)


	Server Software:
	Server Hostname: localhost
	Server Port: 8080
	'use strict';

	// var f = [262, 294, 330, 349, 392, 440, 494, 523, 587, 659, 698, 784, 880, 988, 1047, 1175, 1319, 1397, 1568, 1760, 1976];

	// var f = [1, 262, 294, 330, 349, 392, 440, 494];

	var f = [1, 523, 587, 659, 698, 784, 880, 988, 1047]

	var duration = 400;
	var gap = 80;
	D:\Program Files\Dropbox\Project\rails10-meetup-railsbox\railsbox
	vagrant up
	checking for ansible-playbook... no
	Bringing machine 'rails10-meetup' up with 'virtualbox' provider...
	==> rails10-meetup: Importing base box 'trusty64'...
	==> rails10-meetup: Matching MAC address for NAT networking...
	==> rails10-meetup: Setting the name of the VM: railsbox_rails10-meetup_1422001421257_90292
	==> rails10-meetup: Clearing any previously set forwarded ports...
	==> rails10-meetup: Clearing any previously set network interfaces...
	==> rails10-meetup: Preparing network interfaces based on configuration...
	#include <stdio.h>
	#include <math.h>
	#define N 21 // number of variables +1 (shouble be odd)

	double delta_1 = 1E-4; // strong wolfe condition Rule1 delta_1
	double delta_2 = 0.1; // strong wolfe condition Rule2 delta_2
	double epsilon = 1E-6;

	// define f function
	double f(double x[N]) {