spring data jpa
day1: Orm thought, hibernate and jpa overview and jpa basic operation
day2: springdatajpa operation principle
day2: basic operation of springdatajpa
day3: multi-ta
Month: August 2021
Cassandra Primary Key allows repetition
I tried to insert two records with all the same values in the primary key in the Cassandra table, and the insertion was successful. I am new to Cassandra and think that Primary Keys in Cassandra
All in All ( UVA – 10340 )
You have devised a new encryption technique which encodes a message by inserting between its characters randomly generated strings in a clever way. Because of pending patent issues we will not disc
Homebrew – Modify the source code for Home Brew Pack
I installed a homemade software package (qt). I want to modify the source code and rebuild the package. But it seems that the source code can not be found. brew -cache returns a directory that does
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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Fluent-NHibernate – Using Fluent Nbernate
I am trying to create a discriminator column. This column will contain one of many available states. Just like my code, each state will display a name and a background color. Each The states share
FeIGN Series (04) Contract Source Code Analysis
Feign series (04) Contract source code analysis [TOC]
Spring Cloud series catalog (https:// www.cnblogs.com/binarylei/p/11563952.html#feign)
In the previous article, we roughly analyzed
Fluent-NHibernate – Smooth NHibernate and calculation properties
I am using Fluent NHibernate and automatically map classes.
I have a calculated attribute in a class
public virtual DateTime? LastActionTimeStamp
{
get {
return Actions.Count ==
DRBD + HeartBeat + NFS Summary Command Record
DRBD+HEARTBEAT+NFS brief command record
Preliminary preparations: add disks to 2 machines, and connect 1 heartbeat sync line to the network
by fdisk- l It can be seen that there is a de
2018 best automation test tool (TOP 10 review)
Short comment: Software development practices have been changing all the time, as are tools and technologies. These changes are all aimed at improving productivity, quality, satisfying customers, s