Springboot integrates flowable modeler without login, and queries the user / user group to change to its own system data

Before the flow chart was drawn, tomcat was used to start the flow modeler, but in this way, the data in your system cannot be queried when assigning task users / user groups. So now we need to integrate the flowable modeler into the project. I searched a lot of articles before, but I didn't feel very clear. Maybe it was because I just got ...

Posted by garygay on Tue, 09 Jun 2020 00:30:35 -0700

Applet waterfall flow component: support page turning and image lazy loading

In the e-commerce small program, there are many places where waterfall flow is used. Write a waterfall flow every time and repeat the logic once. As a programmer, it must be very reluctant. The form of waterfall flow is the same and the same. The difference is that the content of each module in waterfal ...

Posted by interrupt on Mon, 08 Jun 2020 23:28:34 -0700

Using Vuecli (Vue scaffolding) to quickly create Vue projects

1, What is Vue cli vue cli is an official scaffold for building single page applications At present, Vuecli feels like a new project tool integrated in Idea, through which I can quickly create a project file with some basic functions. The description of scaffold is very similar. But this thing is used on the command line.   2, Install Vu ...

Posted by devang23 on Mon, 08 Jun 2020 22:02:13 -0700

Please, don't write a full screen try catch again!!

Author: giant brother cnblogs.com/jurendage/p/11255197.html background In the process of software development, it is inevitable to deal with all kinds of exceptions. For myself, at least half of the time is spent dealing with all kinds of exceptions, so there will be a lot of try {...} catch {...} finally {...} code blocks in the code, which ...

Posted by chapm4 on Mon, 08 Jun 2020 21:34:07 -0700

The study of NoSql database -- the study of Redis database

Article catalog 1. Concept: redis is a high-performance NOSQL series non relational database 1.1. What is NOSQL 1.1.1. Comparison between NoSQL and relational database 1.1.2. Advantages of non relational database: 1.1.3. Advantages of relational database: 1.1.4. Summary 1.2. Mainstream NOSQL produ ...

Posted by chriskiely on Sun, 07 Jun 2020 19:47:34 -0700

spark structured streams, creating streaming DataFrame s and streaming Datasets

Create Streaming DataFrame and Streaming Datasets Streaming DataFrames are available through SparkSession.readStream() The returned DataStreamReader interface (Scala / Java / Python document) is created. Input Sources Common built-in Sources File source: Reads files from a specified directory as st ...

Posted by IwnfuM on Sun, 07 Jun 2020 18:13:27 -0700

Road Use for Android | Tangram Dynamic Pages

This series of articles focuses on the Tmall team's open source Tangram How to use the framework and why, since Tangram's underlying layer is based on vlayout This series will be outlined below: Demand Background Introduction to Tangram and vlayout Use of Tangram vlayout principle Tangram principle Tangram secondary packaging This article int ...

Posted by NoviceJ on Sat, 06 Jun 2020 20:10:04 -0700

Records of Front End Development: Foundation

Item Description This innovative training program provides multi-source movie browsing and recommendation system functions for movie audiences.The front-end is presented as a Web page, which provides functions of filtering, querying and sorting movies. Technical Selection 1. Do you want to use the ...

Posted by praeses on Sat, 06 Jun 2020 19:24:26 -0700

The asynchronous request in JS cannot be returned to the correct Boolean value of the method - solution

The asynchronous request in JS cannot be returned to the correct Boolean value of the method - solution 1. Problem phenomenon 2. Solution 1: change async to temporary synchronization + variable assignment 3. Solution 2: use global variable + Write get/set method 4. demo source code 1. Problem ph ...

Posted by jakeruston on Sat, 06 Jun 2020 00:19:20 -0700

In addition to FastJson, you should also know about Jackson

At the end of last month, I received a message about fastjson security vulnerability, and suddenly thought that there seemed to have been many such events (on fastjson). In terms of security, although the chance of getting shot is small, in this era of increasingly complex information, security has beco ...

Posted by makoy on Fri, 05 Jun 2020 21:13:33 -0700