Tag：Take effect
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Time：2021-5-7
This is the ninety-first original without water. If you want to get more original and good articles, please search the official account to pay attention to us.Those days with IE preface Internet Explorer (ie) isMicrosoft CorporationFor the sake of confrontationNetscape browserNetscape Navigator, which was put into development and launched in 1995, once became a rogue […]
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Time：2021-5-4
article Caching in HTTP The role of HTTP cache HTTP is typically used for distributed information systems, where performance can be improved by the use of response caches. The response header is not configured with cache In the following cases, the browser will not cache the request No cache control, last modified or expired is […]
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Time：2021-5-4
Transition Transition property: Specifies the name of the CSS property that sets the transition effect. transition-property:width ,height; All means all the attributes. The default value is Transition duration: specifies how many seconds or milliseconds it takes to complete the transition effect. transition-duration The unit of time required is s sec MS MS 1s = = […]
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Time：2021-4-23
preface: The author just contacted influxdb and found that the built-in web management interface couldn’t be opened. The query found that the official has cancelled the web interface since version 1.3, so the author found three ways to manage influx. 1. Bring your own web management Since the version I use is version 1.7, the […]
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Time：2021-4-20
I’m bored today. I want to try kill query, mainly to debug the kill query logic of JDBC 8. If you don’t try, you don’t know. If you try, you doubt life. Later, check it out and see how to do it MySQL [(none)]> show processlist; +——+——+———–+——+———+——+——-+——————–+ | Id | User | Host | db […]
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Time：2021-4-19
NRCan covers a wide range of products Covering almost all products with rechargeable batteries (a few products can be exempted, such as UPS, medical products, electric vehicles) Date of issue and effective date Release date: October 30, 2018 Effective date: June 13, 2019 Energy efficiency certification is divided into two parts: testing and registration 1. […]
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Time：2021-3-30
preface I believe we all encounter a scenario of transaction failure, that is, spring self calling, that is, calling another add function in the service [email protected] do you solve the problem of transaction invalidation by annotation? Things in retrospect It was an afternoon when I forgot what the weather was like, and suddenly a little […]
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Time：2021-3-27
Tomcat Chinese garbled code in idea CTRL + Alt + s open the settings, and then edit > file encodings to change the circled ones to UTF-8 Idea Menu > Help > Edit custom VM options, add the last line -Dfile.encoding=UTF-8 Restart Tomcat and it will take effect. It is found that the console log […]
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Time：2021-3-27
preface The new version of chrome adds a function samesite, which can prevent iframe from setting cookies. If we need login verification in iframe, it will be more troublesome. This can be solved by disabling this function. example Browser console prompt: A cookie associated with a cross-site resource at http://58.211.78.91/ was set without the `SameSite` […]
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Time：2021-3-25
1. Preface staySpring BootWe often need to read in projectsapplication.ymlThe user-defined configuration of the configuration file is listed todayyamlSome common means and methods of reading configuration file. 2. Use @ value annotation First of all, I think of using [email protected], which can only be parsedyamlFile and bound to object properties. felord: phone: 182******32 def: Name: […]
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Time：2021-3-24
.bash_profile Is a hidden file, mainly used to configure bash shell, corresponding to the current user; Make the profile effective immediately: source ～/.bash_profile
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Time：2021-3-23
Last week, my colleague asked me, “look, I found a bug in MySQL. In order to clean up the disk in the afternoon, I deleted 1 million pieces of MySQL data. Instead of getting smaller, the disk is more full?” How did you delete it? “Delete from table” “No wonder there are several ways to […]
