When fastjs converts the serialized object, the one whose property is null is converted to '' (empty string)
Understanding of rules:
SerializerFeature.WriteMapNullValue output field with null value, default is falseThat is to say, when there is null, it will output instead of ignore (the default policy is ignore, so no null field can be seen)
WriteNullStringAsEmpty - if the character type field is null, the output is "", no ...
Added by spamyboy on Thu, 02 Apr 2020 04:31:21 +0300
Using AsyncHttp to access the network, get data, explain and examples
What is AsyncHttp
It is a plug-in on github, which is used to obtain network data. Its function is similar to that of HttpUrlConnection
This article is to translate and supplement the information in github documents.
github document link
Make a Static Http Client: create a static method (which can realize c ...
Added by Pha on Thu, 02 Apr 2020 01:51:21 +0300
Deployment steps of FISCO-BCOS blockchain open source platform (2)
Chapter II deployment of Genesis node
2.1 initialize node environment
The path used in this article is / mydata/nodedata-1/
#Create directory
mkdir -p /mydata/nodedata-1/data/ #Store various files of the node
mkdir -p /mydata/nodedata-1/log/ #Storage log
mkdir -p /mydata/nodedata-1/keystore/ #Deposit account key
#Copy node configuration
cd / ...
Added by fris on Wed, 01 Apr 2020 23:35:32 +0300
[front end statistical chart] echarts to realize single line chart
Five minutes to start:
Picture.png
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Line chart in five minutes</title>
<!-- Introduce echarts.js -->
<script src="js/echarts.min.js"></script>
<script src=" ...
Added by nomadrw on Wed, 01 Apr 2020 18:58:56 +0300
Various writing methods of wx.request()
post request, parameter is key value pair format
wx.request({
url: 'http://192.168.1.103/yiji/skillList.php',
method: 'POST',
data:'pageSize=1&pageNum=10', //Parameter is key value pair string
header: {
//Set the parameter content type to x-www-form-urlencoded
'conten ...
Added by whisher06 on Wed, 01 Apr 2020 13:21:28 +0300
Node.js tries to solve the reasoning questions of the Criminal Investigation Department of Jiangsu internet police
A month ago, Jiangsu network police A set of "2018 criminal investigation subject reasoning test questions" was released on Weibo, which is hard to defeat many heroes, and the comment area is full of leather voice.
@Bidirectional foil icon Before the college entrance examination, the head teacher taught us all the questions th ...
Added by covert215 on Wed, 01 Apr 2020 10:46:44 +0300
Vue obtains router dynamically from server
Preparatory work
Provide interface
Rewrite route
Provide interface
laravel provides the interface. It's in minutes, isn't it
api.php
Route::group(['prefix'=>'admin','middleware'=>'format'], function (){
Route::get('routes','Manager\RouterController@getRouter');
});
Then write a getRouter method like RouterController
pu ...
Added by Ayon on Tue, 31 Mar 2020 19:29:41 +0300
Eight queens question display code
1. introduction
Eight empresses estimate everybody knows what problem is, did not elaborate (do not know Baidu)
The display version mainly depends on vue, so the display and internal logic are separated when writing code, so it's no more difficult than the non display version. The only advantage is that you can try it first, which is more intui ...
Added by mmponline on Tue, 31 Mar 2020 15:41:01 +0300
Asp.net common submission methods
There are no more than two types of submission: Express submission and ajax submission
1: Form submission
html
<form action="TestWebspx.aspx" method="post">
<input type="text" name="username"/>
<input type="submit" value="submit"/>
</form>
Get the submitted dat ...
Added by mjdamato on Tue, 31 Mar 2020 13:02:17 +0300
Are you hungry? Learning (1) basic introduction
Hungry? Study (1)
Project preparation
Project construction
Install vue scaffold
npm install -g vue-cli
Project initialization
Vue init webpack < project name >
Others omitted: webpack configuration needs to be recorded separately for learning
stylus
Learn to use stylus in this project
Install stylus and in ...
Added by homerjsimpson on Mon, 30 Mar 2020 22:14:09 +0300