Flask Framework Request and Response-Template Syntax

Catalog Flask Framework Request and Response-Template Syntax Simple understanding of Flask framework Flask Framework versus Django Framework Simple use of Flask to provide services Response in Flask Request in Flask Flask template language is simple to use Flask Frame Reference ...

Posted on Wed, 25 Sep 2019 18:53:27 -0700 by audiodef

How to Protect Front-end Code from Anonymous Access when Front-end and Back-end Separate Deployment

background Many projects have long been developed and deployed in a front-end and back-end separated manner. The front-end code is deployed on the nginx server. nginx directly provides static file services to the outside world, while the back-end interface is proxyed by nginx. This is a very reasonable deployment, but for some systems that requ ...

Posted on Tue, 24 Sep 2019 06:49:30 -0700 by stylezeca

Kafka Learning Notes - Kafka Consumer API

I. Kafka Consumer Profile Kafka and other messaging systems have a different design, adding a layer of group to consumer. Consumer Group is an extensible and fault-tolerant consumer mechanism provided by Kafka. The consumer of the same group can consume the same topic message in parallel, but the cons ...

Posted on Tue, 24 Sep 2019 02:39:19 -0700 by bdlang

Mybatis Level 1 and Level 2 Cache Implementation Principles and Guidelines

Mybatis, like Hibernate, supports Level 1 and Level 2 caching. First-level cache refers to the Session-level cache, that is, if the same SQL statement is executed multiple times in a session and the parameters are the same, the subsequent queries will not be sent to the database and will be retrieved directly from the Session cache. Secondary c ...

Posted on Mon, 23 Sep 2019 21:02:25 -0700 by larissahn

tensorflow data flow graph

The data flow diagram is shown below. What is Data Flow Graph? The official explanation is that data flow diagrams use directed graphs of "nodes" and "edges" to describe mathematical calculations. "Node" is generally used to denote the imposed mathematical operati ...

Posted on Mon, 23 Sep 2019 05:18:47 -0700 by madolia

Message Queuing Overview and ActiveMQ Usage

Message Middleware Definition Message middleware is generally considered to be a subsystem of a distributed system. It focuses on the sending and receiving of data, and integrates the remaining subsystems of a distributed system using an efficient and reliable asynchronous messaging mechanism. Why use message middleware With the development of ...

Posted on Sun, 22 Sep 2019 09:16:09 -0700 by Lukey

Introduction to Springmvc - controller Layer Comments and Return Type Comments

0.@Controller comment Role: With the @Controller annotation, indicate that this class is a controller class, that is, a controller class, that needs to be scanned by spring and then injected into the IOC container to be managed as a Spring Bean so that Spring can find the Controller class and proces ...

Posted on Sat, 21 Sep 2019 22:36:11 -0700 by ITEagle03

Analysis of gh-ost Principle

gh-ost principle Introduction The last article introduced gh-ost parameters and specific methods of use, as well as the core features - dynamic adjustable pause, dynamic modification parameters and so on. This paper explains gh-ost's execution process, data migration and handover details design from the source code. Two principle 2.1 Implementa ...

Posted on Fri, 20 Sep 2019 02:08:10 -0700 by hehachris

Customs Import and Export Verification Code Learning

This website's anti-crawl is relatively elementary, there is a sliding authentication code on the page, but there is no js encryption anti-crawl and other things, so only need to identify the location of the gap in the authentication code picture, return to the server in the form of Post parameters, you ...

Posted on Thu, 19 Sep 2019 20:27:31 -0700 by akkad

Realization of User Registration Function 3

Realization of User Registration Function 3 Objective: 1. Photo Verification Code Verification 2. Realization of Short Message Verification Code Verification Function Applied technology: 1. Front-end: js (jQuery framework), Ajax (front-end and back-end interaction), and 2. Backend: django interface de ...

Posted on Thu, 19 Sep 2019 04:01:35 -0700 by seenu_vas80