AbstractRoutingDataSource 实现动态数据源切换原理简单分析 写在前面,项目中用到了动态数据源切换,记录一下其运行机制。 代码展示 下面列出一些关键代码,后续分析会用到 数据配置 @Configuration @PropertySource({ "classpath:jdbc. ...
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其他好文 时间:
2020-08-01 12:45:42
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104
目前研究的是HorizontalLayout和VerticalLayout: 1.HorizontalLayout:中只有childvalign(top,vcenter,bottom)可以对所有子控件生效 2.VerticalLayout:中只有childalign(left,center,righ ...
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其他好文 时间:
2020-07-31 19:18:22
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86
You need either to explicitly disable SSL by setting useSSL=false, or set useSSL=true and provide truststore for server certificate verification. 要求如果 ...
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数据库 时间:
2020-07-30 22:18:19
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265
Zhang3 a participant of IPhO (Immortal Physics Olympiad). The $0^\mathrm$ problem in the contest is as follows. There are two balls that weigh \(a\) k ...
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其他好文 时间:
2020-07-30 22:15:00
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110
今天真$TM$又菜鸡了,无路赛无路赛。 估分:$100 + 0 + 40 = 140$ 考场:$30 + 0 + 40 = 70$ \(T1\) 算错时间复杂度了。。。我的莫队+倍增(看上去很高级的做法)是$O(n*sqrt(n)*logn)$,极限$19s$。。。 无语了,正解是线段树或者分块+\ ...
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其他好文 时间:
2020-07-30 18:11:51
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57
org.springframework.web.method.annotation.MethodArgumentTypeMismatchException: Failed to convert value of type 'java.lang.String' to required type 'lo ...
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编程语言 时间:
2020-07-30 01:54:09
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131
1. Upload Bank Statement in SAP: Transaction Code To upload the incoming bank statement T CODE – FF.5 or program RFEBKA00 is used and depending on you ...
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其他好文 时间:
2020-07-29 21:57:56
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96
题干 Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to ...
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其他好文 时间:
2020-07-29 21:34:20
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77
Suppose Andy and Doris want to choose a restaurant for dinner, and they both have a list of favorite restaurants represented by strings. You need to h ...
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其他好文 时间:
2020-07-29 15:41:09
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86
Given a string P consisting of only parentheses and asterisk characters (i.e. "(", ")" and ""), you are asked to replace all the asterisk characters i ...
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其他好文 时间:
2020-07-29 12:38:40
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208