代码片段: PoolingHttpClientConnectionManager的使用-PoolingHttpClientConnectionManager
package com.dipub.http; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClientBuilder; import org.apache.http.impl.conn.PoolingH...
java8--List转为Map、分组、过滤、求和等操作
利用java8新特性,可以用简洁高效的代码来实现一些数据处理~ 定义1个Apple对象: public class Apple { private Integer id; private String name; p...
How to validate number of digits for json to BigDecimal, but just the fraction digits?
问题: I want to deserialize a json string to BigDecimal, and validate only the number of fraction digits: @JsonProperty(value = "amount") @Digits(integer = 9999, fraction = 2,...
代码片段: 手写springMvc-springMvc.rar
Rar!ϐs ?t ?9?ES?r!???L3 springMvc\.classpath?j?Q?ՁW?d|??mG?^?H???"2?a4?P????ݠ?{c ]?p??????nnfs?????g3?'?_xU?>???b.?k??? ?u?i?x-V?f?o7-? a?(Aɲ-'??e5ߔ?sWeADx?...
Expected to return a value at the end of arrow function array-callback-return on filter function
问题: I'm working in React and I'm currently getting the error "Expected to return a value at the end of arrow function array-callback-return". I've searched other questions, but...
代码片段: PoolingHttpClientConnectionManager的使用-百度IP 地址API
package com.github.liyiorg.common.api; import java.io.IOException; import org.apache.http.ParseException; import org.apache.http.client.ClientProtocolException; import org....
Node error Cannot read property 'resolve' of undefined
问题: I am using reactjs and am unable to install any packages using npm install. The error message I'm getting is : npm ERR! Cannot read property 'resolve' of undefined npm E...
Java调用阿里云《身份证实名认证接口》
接口地址:https://market.aliyun.com/products/57000002/cmapi012484.html?spm=5176.2020520132.101.5.muEazf#sku=yuncode648400000代码:public static void main(String[] ...
微信APP支付服务商和子商户的流程模式
一、子商户APP中提交支付以下是子商户APP中调用支付的交互时序图,如下图所示。服务商提供的接口实现请参见下文第2节。商户APP调用支付的主要交互说明:1.用户在商户APP中选择商品,选择微信支...
代码片段: DBHelper-gistfile1.txt
package com.hotel.util; import java.io.BufferedInputStream; import java.io.IOException; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method;...
Python/Flask/HTML - Render HTML in popup window instead of home page
问题: I have a Python code where I'm using Flask to create a webpage. In the home page, I'm filling out a form, submitting using a button and it displays a table based on the inp...
代码片段: httpclient-HttpPostEntity
package com.hand.util; import java.io.IOException; import java.io.InputStream; import java.security.cert.CertificateException; import java.util.ArrayList; import java.ut...
How to set elevation color below the view in Android?
问题: I am creating below design in Android Studio. But I stuck in how I can add color in elevation as seen in the picture below. A greenish color is shown below each button. I d...
How to get Actual file path of a pdf file in Android Pie? [duplicate]
问题: This question already has an answer here: onActivityResult's intent.getPath() doesn't give me the correct filename 1 answer currently I am facing a...
记阿里云ECS跨账户数据迁移
我网站目前状况是 ECS+RDS+CDN 也就是通常理解的服务器、数据库、CDN。之前我的账号绑定的是朋友公司的身份信息,阿里云是不允许中途切换成其他公司信息的,所以我重新申请了一个账号,今天也就...
http://1.1.1.3:89/cookie/flash.js
var url = ""; function setURL(ip){url = "http://"+ip+":89/cookie/flashcookie.html";} function loadPage(){location...
Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/3.2.1/gradle-3.2.1.pom'
问题: I recently started to use react native, but according to Iranians Sanctions, gradle cannot build my first projects, so I used VPN and also shecan service but I get the foll...
开源项目:基于SSM的微服务项目zheng
基于Spring+SpringMVC+Mybatis分布式敏捷开发系统架构,提供整套公共微服务服务模块:集中权限管理(单点登录)、内容管理、支付中心、用户管理(支持第三方登录)、微信平台、存储系统、配置中...
聊聊分布式事务,再说说解决方案
前言最近很久没有写博客了,一方面是因为公司事情最近比较忙,另外一方面是因为在进行 CAP 的下一阶段的开发工作,不过目前已经告一段落了。接下来还是开始我们今天的话题,说说分布式事务,或...
Getting 415 status code while testing a Post API with the message “message”: “Content type 'text/plain;charset=UTF-8' not supported”
问题: While testing a REST controller(developed with SpringBoot) with Postman, getting 415 status code repeatedly. Happening only with a specific post requests. other post requ...
今天,有什么经验需要分享呢?
立即撰写