JSON Foundation: Instructions for using fastjson

Fastjson has been a popular issue recently, but as a widely used library of Json, it is still an important choice for many developers along with Gson and Jackson. Even from a security point of view, it is necessary to understand how fastjson is used in order to replace it. This article is a simple summ ...

Posted by storyboo on Thu, 11 Jun 2020 17:42:21 -0700

Building neural network model with Python and Numpy

1: Boston house price forecast task In the previous section, we have a preliminary understanding of the basic concepts of neural networks (such as neurons, multi-layer connections, forward computing, calculation charts) and three elements of model structure (model hypothesis, evaluation function and ...

Posted by ~n[EO]n~ on Wed, 10 Jun 2020 20:33:04 -0700

JMH: a necessary tool for performance tuning

if fast or switch fast? Do you want to specify the initialization size of HashMap? How much performance can be improved after it is specified? Which serialization method takes less time? No matter what the reason is, it is necessary to evaluate the performance. In most cases, it is not enough to simply answer who is fast and who is slow. How to ...

Posted by bluebyyou on Wed, 10 Jun 2020 19:45:42 -0700

[Asp.netCore Series] 1 takes you throughAsp.netCore

0. Preface This is a new series namedASP.NETCore gets started in real life.This series of presentationsASP.NETCore MVC, which assists with some front-end basics (can be used to achieve what we need, not the main topic).This series will also be introduced laterASP.NETCore platform for other types of projects, and lead you to develop a website or ...

Posted by wilded1 on Wed, 10 Jun 2020 15:52:02 -0700

Wechat authentication authorization detailed code example

Wechat authentication authorization detailed code example background The company has an H5 page that doesn't display pictures after sharing to wechat, and the style is different from the sharing cards of other applications. Later it was found that the reason is that the unified sharing interface of ...

Posted by axo on Tue, 09 Jun 2020 22:29:42 -0700

Source Code Interpretation of vue-element-admin--Project Startup Process

vue-element-admin Is an excellent front-end framework, using the latest front-end technology, built-in (Vue-i18) Internationalized Solutions, Dynamic Routing (Vue Route) , State Management (Vuex) The scheme such as these makes the whole frame structure very clear.What's more, the framework also has Type ...

Posted by fekaduw on Tue, 09 Jun 2020 10:00:47 -0700

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