C Intermediate - SO_REUSEPORT and SO_REUSEADDR

Introduction - the origin of the problem When learning network programming, we often hear a word, first turn on "port multiplexing SO_REUSEADDR". At that time, we knew little about it. You know it should be written like that. It's always strange in my heart that the semantics are not clear. Why do you translate it like this? As I li ...

Posted on Thu, 13 Dec 2018 01:18:07 -0800 by Nightslyr

Introduction to Sagit.Framework For IOS Development Framework 6: Network Request STHttp

Preface: IOS article, today, to supplement another, Sagit's tutorial; Although I don't think there are any audiences in IOS articles, I'd better try to write them, --uuuuuuuuuu Sagit Open Source Address: https://github.com/cyq1162/Sagit Today, the main purpose is to share network requests, i.e. the use of STHttp: STHttp is the source cod ...

Posted on Wed, 12 Dec 2018 20:27:07 -0800 by J@ystick_FI

Day02 - JavaScript + CSS Clock

Day02 - JavaScript + CSS Clock Author: extension liyuechun Introduction: JavaScript30 yes Wes Bos A 30-day challenge to launch. The project provides 30 video tutorials, 30 challenge start documents and 30 challenge solution source code free of charge. The goal is to help people write in pure JavaScript, without using frameworks and libraries o ...

Posted on Wed, 12 Dec 2018 18:36:06 -0800 by VBAssassin

iOS Architecture Practice Dry Goods: AOP Replacement Base Class + MVVM + ReactiveObjC + JLRoutes Componentization

Foreword: Recently, due to the influence of anti-revolutionary engineers'de-base classes and de-Model, the company's application architecture has been reconstructed. Some of the architecture work and ideas that have been done have been summarized slightly. Therefore, this article has been published. If there are any mistakes, loopholes or fools ...

Posted on Wed, 12 Dec 2018 15:48:06 -0800 by frkmilla

PostgreSQL Scenario and Performance Testing for HTAP Database 19 - (OLAP) User Portrait Circle Scenario - Array Intersection Query and Aggregation

Label PostgreSQL, HTAP, OLTP, OLAP, Scenario and Performance Testing background PostgreSQL is a database with a long history, which can be traced back to 1973. It was first awarded by the 2014 Computer Turing Prize winner and the originator of relational database. Michael_Stonebraker PostgreSQL has similar functions, performance, architectur ...

Posted on Wed, 12 Dec 2018 04:24:06 -0800 by altaergo

14 - (OLTP) String Search - Full Text Retrieval for HTAP Database PostgreSQL Scenario and Performance Testing

Label PostgreSQL, HTAP, OLTP, OLAP, Scenario and Performance Testing background PostgreSQL is a database with a long history, which can be traced back to 1973. It was first awarded by the 2014 Computer Turing Prize winner and the originator of relational database. Michael_Stonebraker PostgreSQL has similar functions, performance, architectur ...

Posted on Wed, 12 Dec 2018 02:51:06 -0800 by Pedro Sim

Greenplum Space (GIS) Data Retrieval B-Tree & GiST Index Practice - Aliyun HybridDB for PostgreSQL Best Practice

Label PostgreSQL, GIS, PostGIS, Greenplum, Spatial Retrieval, GiST, B-Tree, Gehash background Meteorological data, seismic data, indoor positioning, outdoor positioning, mobile phones, car networking, as well as our favorite "left strokes do not like, right strokes like", more and more location attribute data. There will be more an ...

Posted on Tue, 11 Dec 2018 21:51:07 -0800 by eugeniu