HarmonyOS professional certification level introduction

Engineer (HCIA): proficient development experience, solid theoretical foundation, senior engineer (HCIP): advanced development, master the ability to develop complex scenarios, expert (HCIE): master full-scenario solutions, planning, design and system tuning ability

Industry News 2021年08月03日 157 likes 0 comments 5946 views

How to choose a server system: CentOS, Ubuntu, Debian

These versions have different characteristics and play different roles in different application fields, so they cannot be generalized. And most VPS only provide release versions maintained by the open source community

Site Related 2021年09月30日 0 likes 0 comments 6147 views

elementary OS 6 Odin has been released

It's finally here, this is the biggest update of the platform to date

Tech Headlines 2021年08月11日 0 likes 0 comments 6189 views

How to block foreign IP access to the website

Attacks and scans all use foreign servers, so generally there are no foreign business needs and foreign IP access is blocked

Site Related 2021年10月17日 0 likes 0 comments 6263 views

GitHub's engineering team has moved to Codespaces

The GitHub.com code base has a history of nearly 14 years. When the first commit on GitHub.com was pushed, Rails was only two years old. AWS is one of them. Azure and GCP do not yet exist. This may not be very long in the COBOL era, but it is quite a lot in the Internet era

Tech Headlines 2021年08月22日 0 likes 0 comments 6282 views

With the adjustment of the algorithm, it becomes more and more difficult to mine Bitcoin, and the profit is getting lower and lower.

As of `2021-08-14`, it is becoming more and more difficult to mine Bitcoin, and profits are getting lower and lower. Every 2016 blocks, or about every two weeks, Bitcoin resets the difficulty of mining by miners. On Friday morning, as expected, the Bitcoin code automatically increased the difficulty of solving a block by approximately 7.3%.

Tech Headlines 2021年08月14日 0 likes 0 comments 6305 views

Four metrics every mobile developer should care about

Slow applications can frustrate users, leading to bad reviews, or customers swiping to the left to compete. Unfortunately, viewing and fixing performance issues can be a arduous and time-consuming task

Company Information 2021年08月24日 0 likes 0 comments 6412 views

2021 Programmer's Book List Recommendation

After working for so many years, although I usually work a lot of overtime, I still read in my spare time. In my opinion, reading is not the most effective way to grow. Reading inspires inspiration and practice changes the way of behavior.

Site Related 2021年07月26日 0 likes 0 comments 6698 views

12 projects needed to develop large-scale projects

The large-scale project I am talking about mainly refers to the number of entities that need to be managed. Simply put, how many models do you have in your project. If you have many models, this usually means complexity. With these, as a secondary metric, you can count the number of routing or controller methods

Site Related 2021年11月11日 0 likes 0 comments 6749 views

5 habits of good programmers

Every good programmer has his own habits. So today we will take a look at the habits of good programmers

Site Related 2021年08月12日 0 likes 0 comments 6796 views