Background: Participating in an interactive chart project, the customer had a need for polar coordinate comparison to display different types of indicator data in different directions and distances. Specifically, the attribute fields are: Source, distance, orientation, ID, rotation angle, size Let’s look at the renderings first: Technical points: Legend description: The distance is the radial […]
Tag: size
RuntimeError: Sizes of tensors must match except in dimension 1. Expected size 58 but got size 57 fo
An error occurred: When using yolo v5n for network training, the input size used is 900*900. When connecting the Feature Map of the 11th layer and the 6th layer at the 12th layer Concat, there is a problem of different dimensions. After running, the following error message appears: RuntimeError: Sizes of tensors must match except […]
How to Properly Estimate Java Thread Pool Size: A Comprehensive Guide
Thread creation in Java incurs significant costs. Creating threads consumes time, increases request processing latency, and involves a lot of work for both the JVM and the operating system. To alleviate these overheads, thread pools come into play. In this article, we’ll delve into the art of determining the ideal thread pool size. A fine-tuned […]
About defining the interface Comparable (comparator) to compare the sizes of two objects
1. Topic: Comparing the sizes of objects of different reference types: Requirement description: Although the student category and the news category are completely different categories, they both have the ability to compare. For example, you can compare the size of two students, but you need to specify whether the comparison is based on student number, […]
18 Case Studies | Does business need to use transparent pages: Water can carry a boat, but it can also capsize it?
The case of this lesson comes from a stability problem that helped the business team analyze many years ago. At that time, the business team reported that the CPU utilization of some of their servers would soar abnormally, and then recover quickly, and the duration was not long, about a few seconds to a few […]
Use Golang to collect Nginx interface traffic size
Introduction In development and operation and maintenance, we often need to monitor and analyze the interface traffic size of the server, especially for servers where Nginx is deployed. This article will introduce how to use Golang to collect Nginx interface traffic size, and show how to monitor and analyze these data in real time. Step […]
Edit and modify the image size and DPI with JS (modify the 1-inch photo into a 2-inch photo)
Various registrations have size restrictions on photos. In view of this situation, I searched online and pieced together the following code, which is used to change the 1-inch photo into a 2-inch photo, and at the same time change the DPI to 300. Of course, you can also change it according to your own requirements. […]
STL–vector container (construction, traversal, insertion and deletion, capacity size, data access, dynamic expansion, etc.)
vector Foreword In the past few days, I have used STL a lot when writing code, and I have also felt the power of STL, so I reviewed the content of STL again, and summarized and extracted some basic things and important content. This is a vector article . C++’s STL provides us with many […]
enspIntercommunication between site A and site B (small and medium-sized network)
need: Site A: (1) Link aggregation LACP link aggregation is performed between LSW1 and LSW2. The maximum number of active links is 2, the active end is LSW1, and preemption is allowed. (2)VRRP LSW1 serves as the gateway of vlan10, and LSW2 serves as the gateway of VLAN20; (3)VLAN In order to ensure security and […]
Java obtains video, audio, picture and other metadata information (resolution, size, frame and other information) through javacv
I believe that we all need to return some video or audio information to the front end more or less, so today’s article uses javacv to obtain video, audio, picture and other metadata information (resolution, size, frame, etc.) through Java language 1. First import dependencies You can first import the javacv/javacv-platform dependency. Since the dependency […]