Summarize django knowledge points

1. View functions: Request Object------------- request: 1,HttpRequest.body:) Request original data 2,HttpRequest.path:) A string representing the requested path component (without domain name)           3,HttpRequest.method             4,HttpRequest.GET           5,HttpRequest.POST           6,HttpRequest.FILES 7,HttpResquest.user:) An AUTH_U ...

Added by simon71 on Sun, 19 Jul 2020 17:54:28 +0300

Physical Reserve ORA 01274 Problem Handling

My physical standby failed to start and terminate MRP due to ora 01274 problem.This problem is very simple to handle, but Baidu almost took me to the pit after searching an article, so I wrote down the standard steps of MOS for your friends to refer to. This DG environment was built two weeks ago and needs to be officially switched today.Befor ...

Added by chiefmonkey on Sat, 18 Jul 2020 18:39:03 +0300

Picture deletion for laravel-admin

There is a deep doubt about laravel-admin's picture upload mechanism. Deleting avatar pictures on the user information page will cause an error. It was 1.4 at that time, and later updated 1.5 found that the delete button disappeared directly. If you use image normally in the form during the process of use, the slight ...

Added by sansoo on Sat, 18 Jul 2020 17:36:44 +0300

Picture deletion for laravel-admin

There is a deep doubt about laravel-admin's picture upload mechanism. Deleting avatar pictures on the user information page will cause an error. It was 1.4 at that time, and later updated 1.5 found that the delete button disappeared directly. If you use image normally in the form during the process of use, the slight ...

Added by Joan Collins on Sat, 18 Jul 2020 17:37:13 +0300

[Spring] Pure java for Spring-hibernate integration

First import the corresponding jar package for Spring-hibernate Then prepare the file for the database connectionHibernate.propertiesAlsoJdbc.properties Hibernate.propertiesFile: Configure the hibernate dialect and automatic table building hibernate.dialect=org.hibernate.dialect.H2Dialect hibernate.hbm2ddl.auto=create Jdbc.propertiesFi ...

Added by Master_Phantom on Wed, 08 Jul 2020 17:41:09 +0300

The back-end data loaded by the select component of jqWEUI is items

jqweui I don't know how many people have used it. I often use it to develop webapps Its select component is more often used, but this time I need to get the selected items data from the database instead of writing the page dead After thinking about it for a while, I finally came up with a method, which is also effecti ...

Added by EZbb on Tue, 07 Jul 2020 19:01:00 +0300

Spring Boot Tutorial 4: Using Druid and Monitoring Configuration

Druid is the best database connection pool in the Java language and provides powerful monitoring and extension capabilities. After comparing Druid with HikariCP, although HikariCP has a higher performance than Druid, Druid includes many dimensions of statistical and analytical functions, which is why everyone chooses t ...

Added by cwarn23 on Sat, 04 Jul 2020 18:32:49 +0300

Usage of date format in angular4

Processing date in.ts file The format of the date will have different display outputs in different methods. dateTime: Date; this.dataTime = new Date(); // Get the current date // Output: Fri Dec 08 2017 00:33:01 GMT+0800 (China Standard Time) Sometimes we need some string type output in other formats. You can see all the tostring methods ...

Added by callie212 on Thu, 02 Jul 2020 18:51:06 +0300

Analysis on the speed of inserting a large amount of data into MongoDB database

Requirement background: a certain timing task generates thousands or more JSON data. This data has not been fully written into the database, and the data of the next scheduled task has been generated. How to solve the data congestion caused by this? When spring boot is used to insert data into MongoDB database, the save method in MongoTempla ...

Added by ghettopixel on Tue, 30 Jun 2020 19:43:06 +0300

Create a custom thread pool (how to set the maximum number of threads?)

CPU intensive IO intensive 1: CPU intensive: Definition: CPU intensive also refers to calculation intensive. Programs that spend most of their time doing CPU actions such as calculation logic judgment are called CPU intensive tasks. This type of task requires a lot of calculation, which mainly consumes CPU resources. Although this kind of comp ...

Added by Arez on Sun, 28 Jun 2020 09:04:04 +0300