Programmer Think

This article is shared from Huawei cloud community< Preliminary study on BFS and DFS algorithms >, author: ayin. This time I share two common search algorithms 1.BFS is breadth first search 2.DFS is depth first search Number of islands Given a two-dimensional grid consisting of '1' (land) and '0' (water), calculate the number of island ...

Seriously, when I wrote this script, I didn't understand the basic syntax of python. I can only say that language is not important, just easy to use... As for why I want to delete QQ dynamics, I just don't want to always see those childish words that were sent that year and today. There are many dynamics (although QQ has not been used in recen ...

Difference between fusing and degradation Many developers will be confused about the difference between fusing and downgrade. The similarities and differences between the two are summarized below. Similarities between fusing and degradation Service degradation and service fusing are similar from some angles. ·Same purpose. Both are t ...

1.0 transfer to the next platform. For the things written before, they have recently moved them to the Jane book, and they will write on the Jane book in the future. 2.0 in Java, the format of creating objects is: Class name object name = new class name (); For example: JFrame jf = new JFrame(); When an object is created, it often needs to do ...

Author: Wang Chenyan When we are developing applications, we usually introduce SDKs, and most SDKs require us to initialize in the Application. When we introduce more and more SDKs, the Application will become longer and longer. If the initialization tasks of the SDK depend on each other, we have to deal with many condition judgments. At thi ...

How do programmers protect themselves? background Nearly 600000 people in China die suddenly from heart disease every year, most of them young people under the age of 35. 90%Sudden death, cerebral hemorrhage and myocardial infarction are all related to high work pressure, staying up late and bad living habits. Common inducements include neg ...

Before that, we learned the global configuration file of mybatis. Now we begin to learn the mapping file of mybatis. In the mapping file, you can write the following top-level element labels: cache – Cache configuration for this namespace. cache-ref – Cache configuration that references other namespaces. resultMap – Describing how to load obje ...

scene In the development of back-end services, the popular framework combination is SSM (SpringBoot + Spring + MyBatis). When we develop some business systems, there will be many business data tables, and the information in the tables will be inserted again, and many operations may be carried out in the whole life cycle. For example, when we ...

In this section, we will introduce the advanced modules provided by Django. Through the study of advanced modules, you will feel that Django is so easy to use, but at the same time it is very complex. Therefore, when learning such a heavy framework as Django, we must remember to be impatient and dare to explore new knowledge, In addition to fol ...

Encryption function locationThe new yellow book doesn't have shield So, first use frida hook native to see where it isyang God's open source: https://github.com/lasting-ya...Check the log in libxyass In so, note that this so is encrypted and needs to be repaired firstdump libxyass.soThe above reference article uses ida + dynamic debugging and r ...