Gorang performance tuning example

Story This blog simulates a data handler and intentionally uses the json module built in go language (with low performance) to complete data serialization and deserialization. Then we find the performance bottleneck of the json module through Benchmark and cpu profile measurement technology. Final ...

Posted on Mon, 24 Feb 2020 05:48:07 -0500 by markl999

springboot2.x integrates with swagger and explains how to use it

maven dependence <!-- Swagger2 start--> <dependency>    <groupId>io.springfox</groupId>    <artifactId>springfox-swagger2</artifactId>    <version>2.8.0</version> </dependency> <dependency>    <groupId>io.springfox</groupId&gt ...

Posted on Mon, 24 Feb 2020 03:35:47 -0500 by rsmarsha

New UWP Community Toolkit - ImageEx

Summary There is a picture extension control - ImageEx in the UWP Community Toolkit. In this article, we will explain the implementation of ImageEx in detail with the code. ImageEx is an extended control of pictures, including ImageEx and RoundImageEx. It can display the loading state when loading ...

Posted on Mon, 24 Feb 2020 03:27:26 -0500 by shedokan

Let me show you how to make a music poster in Python

Preface Some time ago, I was inspired by a friend who thought that I could use the music playing page as a poster picture. In fact, there is still a gap between what we will talk about next and posters, and the specific implementation is just simple picture pasting, but the effect is still good. The e ...

Posted on Mon, 24 Feb 2020 01:34:01 -0500 by siric

Multithread concurrent thread pool

Multithreading concurrency (1) understanding Java virtual machine JVMMultithreading concurrency (2) understanding ThreadMulti thread concurrent (3) lock synchronized, volatileMultithreading concurrency (4) understanding the atomic class AtomicXX attribute address offsetMultithreading concurrency (5) ...

Posted on Mon, 24 Feb 2020 01:32:09 -0500 by bh

Powerbuckle 739 - daily temperature

This problem is mainly to find the rules. When optimizing, we can use the characteristics of data structure (array and stack). Original question According to the daily temperature list, please regenerate a list. The input of the corresponding position is how long you need to wait, before the temperature ...

Posted on Mon, 24 Feb 2020 01:20:54 -0500 by mjgdunne

Step by step analysis of Fabric 2.0 chain code operation

Hyperledger Fabric 2.0 has been released recently, and one of the most interesting points is chain code operation. Although the official document provides a detailed description of this, this article will help you better understand the differences between the chain code operation in the new version and some technical details behind the scenes b ...

Posted on Sun, 23 Feb 2020 23:18:20 -0500 by AbiusX

The Way to Advance with Spring Cloud|21: JWT Implementation of Authorized Services (Spring Cloud Oauth2)

  Preface In the previous articles, you'll see The Way to Advance with Spring Cloud|18: JdbcClientDetailsService for ClientDetailsService (Spring Cloud Oauth2),The Way to Advance with Spring Cloud|19: JdbcTokenStore of TokenStore for Authorized Services (Spring Cloud Oauth2),The Way to Advance with ...

Posted on Sun, 23 Feb 2020 20:26:58 -0500 by edwardp

Column | Jupyter-based Feature Engineering Manual: Data Preprocessing

Click AI Channel above to select Top Public Number Heavy dry goods, first delivery Author: Yingxiang Chen & Zihan Yang Edit: Red Stone The importance of Feature Engineering in machine learni ...

Posted on Sun, 23 Feb 2020 20:06:13 -0500 by jac38

Entry record of darknet [mysy2 environment + opencv compilation]

There is a lot of rubbish in the records, mainly including: Compiling darknet with mysy2 under Windows To solve the problem of compiling darknet with opencv: opencv4 latest version of Iplimage Simple error reporting represented by clock_lt timeval timesub no definition mysy2 link library dll ...

Posted on Sun, 23 Feb 2020 07:38:45 -0500 by kaimason1