Linux System Management Fifth Week Job [Linux Micro Job]

1. Describe the functions, usage scenarios and differences of bridges, hubs, Layer 2 switches, Layer 3 switches and routers.Network Bridge: Working in the second layer of data link layer of OSI model, it is mainly used to connect two local area networks (LAN) and forward frames according to MAC address. It can effectively connect two local area ...

Posted on Mon, 24 Jun 2019 13:56:46 -0700 by zonkd

Common Performance Testing Tools

Time under nginx to view PHP processing time time ./test.php # Here we mainly look at the user section. 0.00 real 0.00 user 0.00 sys Another way is through the log format in the configuration file of Nginx System variables are used to record the PHP request process and processing time in the record. Recorded in the Nginx log ...

Posted on Sun, 23 Jun 2019 15:48:21 -0700 by phpcoder24july

Secondary Caching Strategy of RxJava 2.0 in Android

From: http://blog.csdn.net/qq_35064774/article/details/53449795 Preface In the last article Android Network Data Caching Strategy In this article, the author introduces Android Data caching strategy in RxJava 2.0 Implement the secondary cache of Json/Xml data.   For those who don't know RxJava 2.0, take a look at this introdu ...

Posted on Sat, 22 Jun 2019 14:39:18 -0700 by coder9

[gadget] node.js downloads all the image links contained in the json object

Today, I'm looking at the Wechat applet. The data is requested from the API that I found on the Internet. I wonder if I can save the data locally, and then I can use the server to provide the data without the network. Do what you say. I'm going to do it with node. First, I input the API address of the bean paste on the browser and pull down the ...

Posted on Sat, 22 Jun 2019 13:18:20 -0700 by ednark

Android APP must have advanced functionality, MQTT for message push

1. Several Ways to Implement Message Push on Android Polling: The client requests data from the server regularly. Pseudo-push. Disadvantage: Power consumption, flow consumption. Intercept text messages. When the server needs to send a notification to the client, it sends a short message. After receiving a specific short message, the client ...

Posted on Sat, 22 Jun 2019 11:20:32 -0700 by nileshkulkarni

Very useful infinite rotation

See a very useful infinite round-robin in GitHub to share with you Address: https://github.com/youth5201314/banner (Actually, the method they provide is very simple. Here I'll simplify it a little more.) Dependency libraries (configurations are complete before they are practical) dependencies{ compile 'com.youth.banner:banner:1.4.9' / ...

Posted on Fri, 21 Jun 2019 17:48:57 -0700 by bundred

Free, Open Source Digital Currency Receiving Plug-in

Although block chains are booming, it is still very difficult for programmers to support digital money collection on their websites. Both Bitcoin and eos need to install full-node software in order to achieve more stable query and collection services. However, at present, all nodes of block chain consume a lot of hard disk space and system reso ...

Posted on Thu, 20 Jun 2019 19:10:12 -0700 by flashicon

Writing Network Server Based on Twisted

start This document explains how to use twisted to implement network protocol stack parsing and TCP service processing. The same code can be reused in SSL and Unix socket servers. ) protocol processing classes generally follow twisted.internet.protocol.Protocol Most protocol handlers inherit either from this class or from the corresponding su ...

Posted on Thu, 20 Jun 2019 13:50:33 -0700 by mrman23

Fast RCNN trains its own dataset

Fast RCNN trains its own dataset (3 training and detection) Original at http://www.cnblogs.com/louyihang-loves-baiyan/p/4906690.html For transshipment, please indicate the origin, the blog of Lou Bian (y) voyage, http://www.cnblogs.com/louyihang-loves-baiyan/ https://github.com/YihangLou/fast-rcnn-train-another-dataset Thi ...

Posted on Thu, 20 Jun 2019 13:28:28 -0700 by cueball2000uk

Spring Cloud (3): Registration and Discovery of Micro Services (Eureka)

I. Brief IntroductionService consumers need a powerful service discovery mechanism, which is used by service consumers to obtain network information of service providers. Even if the information of the service provider changes, the service consumer does not need to modify the configuration.The relationships among service providers, service cons ...

Posted on Wed, 19 Jun 2019 15:39:44 -0700 by stevenm