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Building High Performance Django Systems

Published at March 18, 2019 ·  1 min read

用 Django 打造高性能的服务器,对于 Django 的应用,性能的瓶颈主要集中在 database 层,因此这里主要涉及的是 Django 中 orm 的正确高效的用法 Building High Performance Django Systems...

How we increased our Facebook Ads CTR by 600%

Published at March 15, 2019 ·  1 min read

如何利用 Facebook pixel 的 retargeting 技术提高 ctr 降低推广成本的文章,虽然能够理解 Facebook pixel retargeting 的技术,但没太理解 pixelme 的价值以及技术实现,仅仅提供短链以及点击分析? How we increased our Facebook Ads CTR by 600%...

WooyunDota/DroidDrops

Published at March 14, 2019 ·  1 min read

关于 ssl spinning 的一个完整详细的讲解,在未了解之前以为只有客户端与服务端均需预先存储一份证书以供通信校验。 WooyunDota/DroidDrops...

Get THREE times the capacity for your Kubernetes Cluster for FREE! Too good to be true?

Published at March 13, 2019 ·  1 min read

非常有意思的一个观点,在了解 k8s 之前其实也有意识到,通过抢占 aws 或 gcp 大量的抢占式实力进行数据计算可有效的降低服务器的成本,唯独缺的是有像 k8s 这样的集群管理编排工具。 Get THREE times the capacity for your Kubernetes Cluster for FREE! Too good to be true?...

Service Discovery in a Microservices Architecture - NGINX

Published at March 13, 2019 ·  1 min read

在面向服务的系统架构设计中,具体某个节点的 IP 会是随时可变的,这时就需要有一个很好的服务注册和发现机制,将客户端发送来的请求转发给当前存活可用的节点。负载均衡便是一个很简单的案例。在 k8s 中,dns 结合 etcd 的使用则是一个较为完整的案例。 Service Discovery in a Microservices Architecture - NGINX...

百万 Go TCP 连接的思考: epoll方式减少资源占用

Published at March 11, 2019 ·  1 min read

百万 TCP 链接的文章,通过 epoll 减少资源开销,在设计思路上与 redis 类似,虽然单线程,但并不是瓶颈。 百万 Go TCP 连接的思考: epoll方式减少资源占用...

Network Extension, Part 1 - Introduction

Published at February 28, 2019 ·  1 min read

主要介绍了 iOS 中与网络相关的几个 API,比如设置私人VPN,流量过滤、dns 等等 Network Extension, Part 1 - Introduction...

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