phpor – 第37页 – PHPor 的Blog

ngx.resp.get_headers()

syntax: headers = ngx.resp.get_headers(max_heade …

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如何从零开始写一个 Chrome 扩展？ – 知乎

https://www.zhihu.com/question/20179805

Chrome扩展：拦截网页JS并替换

https://jingyan.baidu.com/article/d169e18662aa60436611d …

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saltstack pillar 维护

默认情况下，pillar信息是维护在文件中的，虽然方便，如果要自动化的话，就不太方便，如果能存到数据库会方便维 …

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持续构建之maven + Jenkins + Nexus

一般来讲，maven deploy时要部署到Nexus，需要在pom.xml 中添加如下类似的东东： [cra …

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docker swarm 模式下证书过期后daemon无法启动

报错信息：

Error creating cluster component: error while loading TLS Certificate

1	Error creating cluster component: error while loading TLS Certificate

xfire 代理设置

xfire 可以通过如下方式设置代理：

client.setProperty(CommonsHttpMessageSender.HTTP_PROXY_HOST, httpProxyHost);
client.setProperty(CommonsHttpMessageSender.HTTP_PROXY_PORT, httpProxyPort);

1 2	client.setProperty(CommonsHttpMessageSender.HTTP_PROXY_HOST, httpProxyHost); client.setProperty(CommonsHttpMessageSender.HTTP_PROXY_PORT, httpProxyPort);

需要 …

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java问题

java 用很多内存，占用全部的cpu：

{Heap before GC invocations=3629 (full 101):
 PSYoungGen      total 699392K, used 350208K [0x0000000780000000, 0x00000007c0000000, 0x00000007c0000000)
  eden space 350208K, 100% used [0x0000000780000000,0x0000000795600000,0x0000000795600000)
  from space 349184K, 0% used [0x00000007aab00000,0x00000007aab00000,0x00000007c0000000)
  to   space 349184K, 0% used [0x0000000795600000,0x0000000795600000,0x00000007aab00000)
 ParOldGen       total 2097152K, used 2097081K [0x0000000700000000, 0x0000000780000000, 0x0000000780000000)
  object space 2097152K, 99% used [0x0000000700000000,0x000000077ffee728,0x0000000780000000)
 Metaspace       used 69136K, capacity 72006K, committed 73560K, reserved 1114112K
  class space    used 7517K, capacity 8088K, committed 8320K, reserved 1048576K

{Heap before GC invocations=3629 (full 101):

PSYoungGen total 699392K, used 350208K [0x0000000780000000, 0x00000007c0000000, 0x00000007c0000000)

eden space 350208K, 100% used [0x0000000780000000,0x0000000795600000,0x0000000795600000)

from space 349184K, 0% used [0x00000007aab00000,0x00000007aab00000,0x00000007c0000000)

to space 349184K, 0% used [0x0000000795600000,0x0000000795600000,0x00000007aab00000)

ParOldGen total 2097152K, used 2097081K [0x0000000700000000, 0x0000000780000000, 0x0000000780000000)

object space 2097152K, 99% used [0x0000000700000000,0x000000077ffee728,0x0000000780000000)

Metaspace used 69136K, capacity 72006K, committed 73560K, reserved 1114112K

class space used 7517K, capacity 8088K, committed 8320K, reserved 1048576K

& …

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golang 中的只读变量

示例：

// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package proxy

import (
	"net"
)

type direct struct{}

// Direct is a direct proxy: one that makes network connections directly.
var Direct = direct{}

func (direct) Dial(network, addr string) (net.Conn, error) {
	return net.Dial(network, addr)
}

// Use of this source code is governed by a BSD-style

// license that can be found in the LICENSE file.

package proxy

import (

"net"

)

type direct struct{}

// Direct is a direct proxy: one that makes network connections directly.

var Direct = direct{}

func (direct) Dial(network, addr string) (net.Conn, error) {

return net.Dial(network, addr)

}

上面是 golang.org/x/n …

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Mac 上给网卡添加多个ip地址

示例：

sudo ifconfig lo0 127.0.0.2/32 alias

1	sudo ifconfig lo0 127.0.0.2/32 alias

关键是： alias