7, jOOQ series tutorial - multi data source processing

Complete tutorial: https://jooq.diamondfsd.com/ At present, under the framework of microservice, single service single library operation is more advocated. However, due to some historical burden or other factors, it is necessary to access multiple databases at the same time in the project. This article mainly explains some handling methods for ...

Posted on Wed, 26 Feb 2020 02:44:34 -0800 by Jenling

Source code analysis: MySQL an insert operation, what files will be written? Include UNDO related files?

General process of DML operation Before answering the above questions, let's sort out the general process of DML operation: 1. Grammar analysis, semantic analysis 2. Generate execution plan 3. Transaction modification phase 1) activate the transaction. The transaction status changes from not active to active 2) find location data 3) optimistic ...

Posted on Wed, 26 Feb 2020 02:42:07 -0800 by baw

Analysis of Python module

1. What is a module 2. Module classification 3. How to import or customize modules 4. Analysis of common system modules: random, math, OS, os.path     What is Python module The python program we wrote on the Python interpreter has built so many functions, but as long as we exit the interpreter ...

Posted on Wed, 26 Feb 2020 02:31:04 -0800 by Digital Wallfare

5, Qooq series - interfaces and daos

Complete tutorial: https://jooq.diamondfsd.com This chapter focuses on the interfaces and daos configurations of the jOOQ code generator, which are the interfaces and daos corresponding to the generated tables interfaces During the code generation of jOOQ, this configuration can be used to generate a one-to-one interface corresponding to the ta ...

Posted on Wed, 26 Feb 2020 02:18:20 -0800 by TKB

C + + core 4: References

1. Basic usage of reference: Role: alias variables Syntax: data type & alias = original name Essence: encapsulated pointer void test01() { int a = 10; int &b = a; cout << "a = " << a << endl; cout << "b = " << b << endl; b = 100; cout << "a = " &l ...

Posted on Wed, 26 Feb 2020 01:58:48 -0800 by collamack

Java object oriented -- IO flow

We've met again. It's been a tough week. I just finished studying the documents and IO streams. I believe that many Xiaobai's scalp is numb when they hear IO streams. But this is also the main topic. I saw 300 episodes of the teacher who was too high before. At that time, Mr. Pei said it. Because it's ...

Posted on Wed, 26 Feb 2020 01:49:02 -0800 by Percadan

ES6 learning notes agent and reflection

12-1. Attribute descriptor (review) The Property Descriptor is a common object used to describe the related information of a property; Through object.getownpropertydescriptor (object, property name), you can get the property descriptor of a property of an object; You can also get all the property desc ...

Posted on Wed, 26 Feb 2020 01:42:36 -0800 by ioop

Fabric 2.0 - dynamically add organizations

General Catalogue:(0) how to use blockchain to protect intellectual property(1) HyperLedger Fabric 2.0-release test network deployment(2) Fabric 2.0 first network generation configuration description (3) Configuration analysis of fabric 2.0 startup network script(4) Fabric 2.0 channel practice(5) Fabric ...

Posted on Wed, 26 Feb 2020 01:35:26 -0800 by automatix

Tensorflow framework to build DNN network training Mnist data set

In this paper, we will use Tensorflow framework to train Mnist data set and build DNN (deep neural network), which has more functions than CNN, and the loss will be displayed in dynamic line graph Mnist data set is a data set in the form of ten figures of 0-9. Each picture is 28 * 28 in size Import the ...

Posted on Wed, 26 Feb 2020 01:31:24 -0800 by Nacota

Detailed explanation of signaling communication between NodeJs and C + + and pipeline communication under Linux

Catalog   Preface Anonymous pipeline interprocess communication Creation and illustration of inter process pipeline Pipe creation in MediaSoup Creating mediasound channel The process of communication between NodeJs and C + + pipeline MediaSoup message confirmation and event notification Summ ...

Posted on Tue, 25 Feb 2020 23:53:30 -0800 by Leesa