Cordova Installation on Mac

Here I list steps which I finish the Cordova Installation on Mac.

1. Install brew

If you already have homebrew, you can skip this step or you can uninstall brew first and then re-install.

JVM Memory Management (1)

Last week, we normally deal with lots of things related to performance. But we didn’t dig into it and check why the problem happened. So I decide to write a post to explain JVM Memory Management. I know there are many blogs which are talking about it. It is not a new topic, but I…

Play Framework (5) — performance optimization (1)

It is a long way on this road. When you finish one feature, it is just a start. The rest thing is to make it better and better. You will need to care more about performance. Servals things which I experience here I write down.

Docker Configuration for development env on Mac

Recently, my computer meets a problem; it already shuts down automatically. I already influences my normal development work. I went to apple store and then they checked everything. They said nothing wrong with hardware, maybe something wrong with…

Scala (18) — Concurrency with Futures in Scala

Even though we all want everything goes parallel and each task is independent with others totally, sometimes it is not simply as we think. Everything has an order, what we can do is to let independent things work at the same time, and let dependent…

Git useful commands

I am a guy who always likes to search online to get the answer. So StackOverflow is my favorite website. But after tens times’s search, you find you always search the same questions sometimes. Here I write down useful Git commands which I use most.

1. configuration

Play Framework (2) -Security (especially for web application)

Here we talk about how to make our web application much safer. Even though most front-end codes can be detected by any developers, we still can use back-end to protect each request’s security. I will list the method which…

JSON Operation by Scala

Recently, I’m doing a subscription system for my current company. The content of subscription is to crawl data from another system. The most important thing is that the data is async and from multiple channels. My solution is to use Akka scheduler to deal with async issue. For multiple…

High Performance JavaScript

Because I change my job recently, I move from backend developer to front-end developer. I will write down some knowledge related to front-end step by step. But I still will use my free time to fulfill unfinished study on backend. It is not a new start, but a continue.