What I do on the remote interaction between the board and the board when I'm doing a competition
The things found in Baidu are also fragmented.
At the same time, I hope my blog can give you a little help
PS. This is also my first time to write inappropriate blog terms. I also hope you will understand and point out
Added by Andy17 on Thu, 16 May 2019 20:14:44 +0300
Recently, in sorting out Android commonly used third-party framework related things, said that Android framework, nothing more than Android development in the common network, image caching, data interaction, optimization, page framework, among which the network as a basic part, I believe that you are more using OkHttp, and in t ...
Added by PHPcadet on Thu, 16 May 2019 18:27:16 +0300
In the last article, we introduced Python's functions and modules, and now we introduce exceptions and files in Python.
To view the previous article, please click: https://www.cnblogs.com/dustman/p/9963920.html
Exceptions and documents
Exceptions are also called exceptions. You've seen exceptions in previous articles. When program runn ...
Added by melittle on Thu, 16 May 2019 13:10:13 +0300
I've written a code about using Retrofit to upload picture files, but what if OkHttp is used? I believe that some of the students who know about the two know that in fact the implementation of Retrofit's internal network request is OkHttp. After wrapping one layer, it is just for the convenience of developers to write interfaces an ...
I. Content Review and Supplement
Brief description of three handshakes and four waves
The three handshake
accept accepts connections waiting for clients in the process
connect client initiates a syn link request
If you get the server-side response ack, you will also receive a syc link request from the server-side.
After the client responds ...
Added by sherrilljjj on Thu, 16 May 2019 04:42:17 +0300
The Role of Redis Distributed Locks
In a stand-alone environment, there is a second-kill commodity activity, in a short time, server pressure and traffic will rise sharply. This will lead to concurrency problems. If you want to solve concurrency, you need to solve it.
1. Improving system throughput, that is, requests processed by qps per second ...
Added by Drebin on Thu, 16 May 2019 01:18:22 +0300
This article is only my own notes, and does not have any guiding significance.
The original intention of the code is to make it easy to understand. There are many codes optimized by God on the Internet. It is not recommended to copy the code in this article in the project.
Operation of Constant ...
Added by bugz-2849 on Wed, 15 May 2019 23:10:28 +0300
As an aside, many people call the NIO provided by JDK 1.4 asynchronous non-blocking I/O; in fact, it is not. Strictly speaking, it can only be called non-blocking I/O. In NIO 2.0 provided by JDK 1.7, an asynchronous socket channel Channel is added, which is the real asynchronous non-blocking I/O. The following table com ...
Added by HyperD on Wed, 15 May 2019 16:44:34 +0300
In the development of web applications, performance is an indispensable topic. For web packaged single page applications, there are many ways to optimize performance, such as tree-shaking, module lazy loading, and using extrens network cdn to accelerate these conventional optimization. Even in the vue-cli project, we can use the -- modern instr ...
Added by sstoveld on Wed, 15 May 2019 11:10:25 +0300
The thing is, the original ip of the cluster running docker swarm on Shumei pie was 192.168.0.113, and then because of the move, the ip became 192.168.11.113. The next thing you can think of is that node and manager are definitely not connected. So I moved the node out of the cluster and rejoined it, but the join token command at that ...
Added by sargus on Wed, 15 May 2019 06:00:38 +0300