I have a table with date and time fields. I have a hard time understanding how I deal with this problem, partly because I don’t understand how time is converted to a number. I use the following The
Tag: use
Manage users using PostgreSQL
Our system will run on a local network, where no more than 50 clients connect to the same local server. We are creating a DB user for each client to take advantage of postgresql permissions System.
PowerDesigner imports using SQL script
1. Prepare the script for creating the database
1. Prepare the script for creating the database
2 , Import SQL into powerDesigner
NOSQL – Use the relational database to carry out countless data – best practice
After reading the article written by Bret Taylor (Co-founder of FriendFeed, current CTO of Facebook) How FriendFeed uses MySQL to store schema-less data After the shocking article, I began to doubt
Neo4j preliminary understanding and use
Introduction Graph Database is a special existence in the NoSQL database family, used to store rich relational data. Neo4j is currently the most popular graph database and supports complete transac
Project development — use node.js SASS syntax
Foreword: All sass files in this article refer to files with the suffix scss. It is also recommended to use files with the suffix name scss to avoid the strict format requirements of the sass suffi
.NET – uses a CLR type on a Visual Basic key (such as `string`) (for example,` system.string` or `[string]`) Do you have any imagination?
We all know that in C#, there is no difference whether you use String (CLR class) or string (C# keyword). For more information, please refer to the following question
> What is the difference
Use routing methods in node.js
1. The find method of the array still doesn’t work, so change to filter
2. The regular expression is still not well understood
//var myrouter = require(“./myrouter”) ;
//myrouter.getRo
Homebrew – Installation and Use
What is Homebrew?
Official explanation:
Homebrew is the simplest and most flexible way to install UNIX tools that Apple does not include in MacOS.
Official website: Portal
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.NET – Can I use IOC containers to create a dependency that requires runtime values?
I am new to IoC, so I want to know if it is the right tool for the job I want to do.
I am writing a multi-tenant application Program, there are several places where we may want to use differe