Parsing JSON using jq
Parse JSON using jq in the bash command line.
Parse JSON using jq in the bash command line.
Upgrade Java, Spring Boot, Gradle, Flyway, etc.
Insert (not add) a column in PostgreSQL is quit a mission.
Got Spring Professional Certificated at Aug 2019
Should use enums any time you need to represent a fixed set of constants.
Why does Spring Boot append JsessionId in your URL and how to stop it?
A Java object can be a JavaBean, a POJO and a Spring bean all at the same time.
Why is my session lost and created as new in every servlet request?
We should tag projects like NPM does.
Spring Security in Pivotal Spring Professional Certification (6%).
Spring Security, little effort, hunge confusion.
Spring RestTemplate 101.
The cache size may be controlled by -XX:AutoBoxCacheMax=<size> option.
Still haven’t find a decent answer in StackOverFlow.
IDEA IntelliJ Config for Java
Spring test in Pivotal Spring professional certification (4%).
In Mockito Answer, we mock the process.
Spring REST in Pivotal Spring professional certification (6%).
Spring MVC in Pivotal Spring professional certification(8%).
Spring Data Management in Spring Professional Certification (16%).
Spring AOP in Spring Certification(8%).
Converting Java Date Time painlessly.
Spring Boot in Pivotal Spring professional certification (32%).
Spring Core in Spring Certification (20%).
I use final whenever it is appropriate.
Converting Json in Spring projects.
How to search text in your files in Linux?
Get out of nightmare that positioning elements with CSS.
return early and give up single exit point
Got an error: Cannot have a pipe in an action expression.
{“quote”:”You miss 100% of the shots you don’t take.”,”author”:”Wayne Gretzky”}
The jury is in. The controversy is over. The debate has ended. The conclusion is: TDD works.
Handle and view a 360 photo.
Lombok makes Java prettier, and your life easier.
Additional capabilities beyond core spring and JPA.
Behavior of String literals is very confusing.
The most conservative file naming conventions provide the most cross-platform compatibility.
I found one of my old notes… But still need to do more investigation. // todo
A Spring Demo project. See: https://github.com/digitalsonic/geektime-spring-family
Unit Testing in JavaScript
AWS does everything. This the first step.
Submits user’s data and sends data to a server.
I have no idea. It takes efforts.
Exceptions.
Design classes.
Methods and Encapsulation.
String and some common APIs.
Java Operators and Statements.
Java Building Blocks.
JDBC is an API for connecting and executing queries on a database. Relatively low-level, it’s the foundation of most ORMs and other high-level data access l...
CouchDB is one of NoSQL database, uses JSON to store data, Javascript as its query language using MapReduce, and Http for an API.
The method that constructs your object.
Essential commands to manipulate files and directories on Linux.
cURL is a command line tool for getting or sending files using URL syntax.
PostgreSQL Cheat Sheet.
How to quit vim? - -!
There must be a better way. But this is the one I’m currently using.
So sorry that I falsely updated the database with the following script:
Test makes perfect.
Watch my Youtube video to get details!
jQuery, live long and prosper!
These are my notes while using SQL Server 2016.
SQL Server Connection Strings.
Free Programming Resources.
A simple flowchart representing a process for dealing with a non-functioning lamp.
Creating Github repo from either remote or locally.
Preview your site and help troubleshoot failed Jekyll builds.