Spring boot 启动自动任务(Quartz)
首先写一个类:package com.gb.pay.common.schedulers; import org.springframework.scheduling.annotation.Scheduled; import org.springframework.stereotype.Component;...
How do I refresh an ag-grid data table? Having trouble with api.refreshCells
问题: I am trying to create code to refresh a table based on sample code. However, the table is not refreshing. The code uses a Change Data button to change the value of a JavaSc...
如何得到第二张沾沾卡
原本扫福的机会都用完了,我以为没办法再得到卡了。没想到扫这个图,可以得到第二张沾沾卡!!!
使用META标签强制将http请求转成https(SSL协议)请求
只需要在<head>标签内增加代码<meta http-equiv="Content-Security-Policy" content="upgrade-insecure-requests">就可以让你页面上所有的非http请...
Chaining Optional orElseThrow
问题: I have a piece of code like this: return getObject() .map(obj -> obj.getNullableField()) .orElseThrow(() -> new IllegalStateException("Object not found!"));...
Undefined is not an object (evaluating 'this.props.navigation.navigate') _onViewApp ln 17
问题: I did find this question in a few other places, but I'm still unable to resolve the issue with any of the help given. I got most of the code so far from this article - h...
com.android.builder.dexing.DexArchiveBuilderException: Error while dexing
问题: I am getting this issue when I am trying to run my project - com.android.builder.dexing.DexArchiveBuilderException: Failed to process .gradlecachestransforms-1files-1...
fastjson中Map与JSONObject互换,List与JOSNArray互换的实现
JSONObject转Mappublic static Map<String,Object> json2Map(String json){ return JSON.parseObject(json, Map.class);&...
支付宝扫码登录获取用户信息代码
Java代码AlipayClient alipayClient = new DefaultAlipayClient("https://openapi.alipay.com/gateway.do","app_id","your private_key&quo...
VueJS: Property or method … is not defined on the instance but referenced during render
问题: VueJS course Robot Builder: https://app.pluralsight.com/player?course=vuejs-fundamentals&author=jim-cooper&name=c8f8ef67-c67b-4a52-b109-9dbf2caae028&clip=3&...
java.lang.IllegalStateException: Mapped class was not specified
将:new BeanPropertyRowMapper<PAY_CONFIG>()改成new BeanPropertyRowMapper<>(PAY_CONFIG.class)就可以解决了
spring结合javax validation对参数进行验证,并并捕获异常封装成JSON返回.
我们定义一个实体类import javax.validation.constraints.Min; import javax.validation.constraints.Pattern; public class ORDER_INFO { &n...
Retrofit and gson Error : java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at line 1 column 1 path $
问题: Im using retrofit 2.4.0 and gson 2.8.5 , i got this exception : java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at line 1 column 1 path $...
JavaScript import favicon.ico
问题: I met this string of code: import '!file-loader?name=[name].[ext]!./images/favicon.ico'; here. Please, explain me, how this construction works, in details, if possi...
支付宝遇到异常应该如何处理(返回20000)?
在接口返回 未知异常时,请参考如何处理:1、避免不合法的传参原因:传参错误会导致支付异常。建议方案:对所有返回INVALID_PARAMETER的响应进行监控,一旦发现请停止调用并检查请求参数,修改后...
Android Google Sign In Failed com.google.android.gms.common.api.ApiException: 12500
问题: So I'm trying to use Google Sign In Authentication using Firebase as provide by this link : https://firebase.google.com/docs/auth/android/google-signin?hl=en I followed e...
How to resolve java.lang.NoClassDefFoundError: javax/xml/bind/JAXBException in Java 9
问题: I have some code that uses JAXB API classes which have been provided as a part of the JDK in Java 6/7/8. When I run the same code with Java 9, at runtime I get errors indic...
工具类:基于ThreadLocal的一个线程级别的全局缓存ThreadLocalCache
import java.util.HashMap; import java.util.Map; /** * @author <a href="http://www.hellojava.com">Java菜鸟社区</a> *...
Java字符串(String)转成byte[]数组,byte数组转String
public static void main(String[] args) throws UnsupportedEncodingException { String str = "www.hellojava.com"; byte&...
ViewModelProviders is deprecated in 1.1.0
问题: Looking at the Google docs for ViewModel, they show the below sample code on how to get a ViewModel: val model = ViewModelProviders.of(this).get(MyViewModel::class.java)...
今天,有什么经验需要分享呢?
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