Angular
[Angular] Idle timeout checking
Idle timeout is one of the feature to enhance security by enforce logout if not used. In Angular, idle timeout can be done by rxjs. This demo will show the steps on adding and enable […]
Computing
Angular
[Typescript] Cookie handling in Angular
Cookie is one of the persistent storage in web client. It can ensure data persistent even page refresh. Compare with Local storage, it has additional security as it natively support expire date time. As contract, […]
End User Environment 用戶環境
Customize Windows Terminal in Powershell
Terminal is the tools for developer and operator and it streamline many routine process in batch. And we are face it almost everyday. There are several tools which can help to customize it to make […]
Database
[Database] MySQL Tunning
For tuning MySQL, normally it will check index scan, cache and any hardware allocation align with database or not. To measure it, there are several tools to support your judgement.
Computing
Add ELK APM agent in Java project
Even APM agent can add parameter -javaAgent, but it will more flexible if embed in jar file. This demo will show how to add ELK APM agent inside Java gradle project.
Computing
Add cutom opentracing trace in Java project for Elastic stack
Opentracing is one of the open protocol for distribute tracing between microservices. With APM, it helps to identify service dependency and target bottom-neck during performance tuning. Even it merged to OpenTelmetry in recent years but […]
Programming
[Tools] Kubernetic
When maintain Kubernetes, mostly we need to use kubectl to get result and execute yaml. It is ok for developer as it provide the flexibilty to do what they need. However, for operator, it might […]
Computing
[Spring] Enable logging to ELK with Log4J2 and Sprint cloud sleuth
To enable ELK logging, mostly it will use logback as logging library. However, when migrate existing application, eliminate dependency change is one of the factor to ensure application stability. In this demo, we will use […]
Computing
[Spring] Resolve issue on no trace Id and spin Id logged
Spring Cloud Sleuth is one of the spring cloud component which used to corelate log between different service. It is useful when tracking problem and it can draw the full picture from start to end. […]
Computing
[Docker] Enable IntelliJ debug Java application with docker
Mostly package will deliver in container image, and for testing / debugging on dockerfile, we will run it locally. However, it cannot be debug easily. So we need to alter configuration to enable it. In […]