Programmer Group

Definition php's array is a dynamic data structure by default, while the underlying array should open up a fixed storage space in memory to store a continuous piece of data, so we can only use SplFixed Array to limit the memory capacity. Code github address: array (Arrays) class Arrays { private $data; private $size; private $capaci ...

Now that we have written the fifth chapter, Jira's official system is actually getting farther and farther away. The content of this chapter has basically been completely separate from Jira itself, and has relied on Jira's API interface and database for development.It mainly contains the following functions: Personnel Task Scheduling Managemen ...

Yesterday I finally finished the voting page. How to say, I didn't think this book was very helpful to me either. Then I looked at django's documentation and found that it was the same project. But let's start and end well by pasting the Chinese version of the document https://docs.djangoproject.com/zh-hans/2.1/ 　　 This time it's time for ...

Preface This time Demo has the following effects: Demo Links: https://hightopo.com/demo/comp-knob/ Overall thinking Component parameters Draw knob Draw scale Draw Pointer Draw Ruler Draw Text 1. Component parameters   Here are some of the variables you'll use below, which you'll paste here first var origin, // origin p ...

Apache Shiro is already well-known for Java, similar to authentication form authentication in.Net.The authentication and authorization policies in.net core are basically the same.Of course, it doesn't matter if you don't know, because all permissions are simulated social behavior of people or institutions. Starting with simple permissions, this ...

Fire Department has DP practice, and if you look at the topic by provincial difficulty level it should be DP Yesterday, we discussed with Feng Shen that if we set the right on a point, then only DP can do it. Detailed explanations in the DP section below are reproduced from luogu CaptainSlow ( This is his blog) DP[i][state] represents I cu ...

Topic analysis (Seeing this kind of ridiculous question, it's usually either greedy or DP...) We found that there were too many states to be greedy about this problem, so we had to do DP. Because magic attack is relatively independent from ordinary attack and special attack, it can be considered separately. Let fm[i],fs[i] be the maximum da ...

http://acm.hdu.edu.cn/showproblem.php?pid=6599 Title Description: Give you a string and find out how many palindrome strings are essentially different, and half of these palindrome strings are palindrome strings. Ideas: This question gives me a systematic understanding of palindrome tree operatio ...

Variable parameter template Links to the original text: http://blog.csdn.net/xiaohu2022/article/details/69076281 Ordinary templates can only take a fixed number of template parameters. However, sometimes we want templates to accept any number of template parameters, and then we can use variable parameter templates. For variable parameter te ...

- Restore content to start brief introduction Previous demonstrations have shown that placing all request processing logic in the closure function of the routing file is obviously unreasonable. We need to use the controller class to organize and manage relatively complex business logic processing. Controllers are used to encapsulate related H ...