Data Plane unloading principle of virtio Network -- Vhost net master

Interface usage libvirt When configuring the virtio network card, libvirt enables this feature by specifying the driver as vhost, as follows: <interface> <model type='virtio'/> <driver name='vhost'/> ...... </interface> qemu qemu designs vhost as an attribute of the network device. The virtio n ...

Posted by lazersam on Thu, 02 Dec 2021 22:48:28 -0800

How to write amazing Python classes

There are machine learning and data scientists around me. Python is their preferred language. However, not all of them are experienced Python developers, and they are unlikely to master all the excellent features provided by python. This is understandable, of course, but it is also unfortunate. Why? Because understanding the details of the lang ...

Posted by jax_15 on Thu, 02 Dec 2021 22:45:34 -0800

Self study linux driver from getting started to giving up the device tree

catalogue 1. What is a device tree? 2. Structure of equipment tree 3. Node structure 4. Node standard attributes 4.1 compatible 4.2 status 4.3 #address-cells #size-cells 4.4 reg 4.5 name 4.6 device_type 4.7 phandle 4.8 virtul-reg 4.9 range 4.10 dma-range 5. Special nodes 5.1 /aliases node 5.2 /chosen node 6."of_" cor ...

Posted by PaulRyan on Thu, 02 Dec 2021 22:39:33 -0800

Press ls -l *.py and enter. What does the shell do for us?

Have you ever wondered what the Unix shell does when you execute a command on the shell? How does the shell understand and interpret these commands? What do you do behind the screen? For example, what does the shell do when we execute ls -l *.py? With this understanding, we can better use the Unix operating system. Today we'll explore it.0. Wha ...

Posted by ccjob2 on Thu, 02 Dec 2021 22:35:39 -0800

Java must learn tool library to reduce your code by 90%

After working for many years, I found that there are many tool class libraries that can greatly simplify the amount of code and improve development efficiency, but junior developers don't know. These class libraries have long become the industry standard class libraries, and they are also used in large companies. If someone told me to use these ...

Posted by Scummy12 on Thu, 02 Dec 2021 22:30:39 -0800

[UE4 C + +] preliminary use of animation and behavior tree related modules

Animation asset UAnimationAsset type hierarchy structure UObjectBase UObjectBaseUtility UObject UAnimationAsset UAnimSequenceBase UAnimCompositeBase Animation Synthesis of UAnimComposite UAnimMontage animation Montage UAnimSequence animation sequence (note root motion) UAnimStreamable UBlendSpaceBase UBlendSpace mixed space UAimOf ...

Posted by gnathan87 on Thu, 02 Dec 2021 22:29:30 -0800

2020_ 883 C program design

1, Briefly answer the following questions1. Briefly describe the provisions of identifiers in C language; What should you pay attention to when naming variables, arrays, and functions?A: in the computer high-level language, the effective character sequences used to name variables, symbols, constant names, functions, arrays, types, etc. are coll ...

Posted by jasonyoung on Thu, 02 Dec 2021 22:26:30 -0800

Sorting through Lambda expressions

Data sorting in memory First, we define a basic class, and then we will demonstrate how to sort in memory according to this basic class. @Data @NoArgsConstructor @AllArgsConstructor public class Student { private String name; private int age; @Override public boolean equals(Object o) { if (this == o) { ...

Posted by binit on Thu, 02 Dec 2021 22:22:46 -0800

SPL (self paced learning for late variable models) code reproduction - pytorch version

Cause: I recently read articles related to CL(curriculum learning) and found SPL learning strategy. In short, it is to make the data learned by model from simple to easy. Reading articles related to SPL is bound to skip this article: Self-Paced Learning for Latent Variable Models Difficulty: This article was written in 2010. The code based ...

Posted by tippy_102 on Thu, 02 Dec 2021 22:04:25 -0800

Performance test of order cancellation with 10s delay

I once naively thought that I was invincible in the performance test scenario, but the reality patted me again.The R & D put forward a pressure test requirement of canceling orders after a delay of 10s, which really confused me for a while. Finally, I referred to Java's delay queue java.util.concurrent.DelayQueue to realize this requirement ...

Posted by SN1P3R_85 on Thu, 02 Dec 2021 21:55:33 -0800