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Function call stack can be regarded as the necessary knowledge for bald programmers. This article does not cover it completely, but only explains why I encounter call stack. I only think about it according to my case. I will put the specific articles I have read at the end Why do you think of the problem of function call stack? Look at the ...

bpftrace one line tutorial This tutorial helps you understand the use of bpftrace through 12 simple sections. Each section is a one-line command. You can run it immediately and see the effect. This tutorial series is used to Introduce the concept of bpftrace. For a complete reference to bpftrace, see bpftrace complete reference. This tutorial ...

Background: Online migration of the current ES cluster to a new machine Current: ES designs a load balancing mechanism for cluster fragmentation. When new nodes join or leave the cluster, the cluster will automatically balance the load distribution of fragmentation Migration target: smooth migration Migration strategy: Turning off cluster auto ...

This article mainly introduces how to build Python + Appium Android automatic test environment for Xiaobai. The steps are very simple~ 1. python Step 1 install Python Forget it, everyone will skip this step~ Then install the required libraries. Because the automation program acts as a client and sends HTTP requests to Appium server, you ne ...

Builder mode (Builder) summary Builder pattern is a design pattern that provides a flexible solution and has solved various object creation problems in object-oriented programming. The purpose of builder design pattern is to separate the construction of complex objects from their representation. It is one of the "Gang of four" desig ...

The last article talked about how to use Ubuntu 18 04 install nvidia graphics card driver, then install cuda and cudnn together in the environment where the graphics card driver is installed. The workload is also a lot. I unloaded it several times. The complete collection of deep learning environment and pit avoidance is coming!!!! pref ...

1) Questions about the use of Texture Streaming 2) the reason why the Unity 3D scene UI is interrupted and approved 3) Meaning of Asset Provider and Asset Bundle Provider 4) Addressables loads only the initial resources when updating resources 5) Tracing algorithm display problem This is the 246th UWA technical knowledge sharing push. Today, ...

Leetcode[300. Implement Trie] - prefix tree Title: Trie (pronounced like "try") or prefix tree is a tree data structure used to efficiently store and retrieve keys in string data sets. This data structure has many application scenarios, such as automatic completion and spell checking. Please implement the Trie class: Trie() Initia ...

hash 1. Sum of two numbers The idea is to save it in the hash table first, and then judge whether it exists again. Use target - class Solution { public int[] twoSum(int[] nums, int target) { Map<Integer,Integer> map = new HashMap<>(); for(int i = 0;i < nums.length;i++){ if(map. ...

Function effect display:   Function introduction A ray is an invisible line. Ray is used to obtain the entities in the 3D scene through the player's client input, so as to realize the function of interaction between the player and the 3D entity units. Common usage includes shooting to obtain shooting target, mouse click scene, ...