One out of two data selectors realize the Verilog of 15 frequency division (asynchronous reset) and 18 frequency division (synchronous reset) with a duty cycle of 50%

The above topic was one of the topics that our laboratory came up with when we were new. It mainly investigated the knowledge of odd frequency division and even frequency division principles and timing logic such as counters. In combinatorial logic, it only included one out of two data selectors, which was not difficult. For us who had only s ...

Posted by l008com on Sat, 23 Oct 2021 06:15:19 -0700

Python basics -- variables and data types

1, Data type All data in the computer can be regarded as objects, and variables play the role of pointing to data objects in the program. The data types commonly used in python are divided into basic data types (number, str) and composite data types (list, tuple, dict, set) Basic data type 1.number (numeric) int float (no double) complex ...

Posted by madhavr on Sat, 23 Oct 2021 05:12:09 -0700

Linux user management

1. Basic introduction Linux system is a multi-user and multi task operating system. Any user who wants to use system resources must first apply to the system administrator for an account, and then enter the system as this account. 2. Add user Basic grammar useradd username case Add a user milan. [root@hostName01 ~]# cd /home [root@ho ...

Posted by Seraskier on Sat, 23 Oct 2021 05:11:48 -0700

October 23, 2021 (weekly summary)

        This week, I mainly brush some dp questions. Finally, if I want to brush according to the topic, I'll start with the backpack. Today, I don't see the question for the first time. I solved a backpack question in the provincial competition last year. I'm still very excited. At least I didn't learn in vain. It's still ...

Posted by tjmbc on Sat, 23 Oct 2021 04:57:28 -0700

M2021 spring C, Java introductory exercise paragraph I - variables, expressions, branches, loops 92-98

7-92 sum of special a series (20 points) Given two positive integers a and n that are not more than 9, it is required to write a program to find the sum of a+aa+aaa + +... + aa * a (n a). Input format: Enter positive integers a and n that give no more than 9 in one line. Output format: Output in one line in the format of "s = correspondi ...

Posted by jamesl73 on Sat, 23 Oct 2021 03:40:38 -0700

Delay tasks from entry to mastery

1. Background In daily development, delayed task is an unavoidable topic. In order to achieve the purpose of delay, there will be different solutions in different scenarios. The awareness of the advantages and disadvantages of each scheme determines the effectiveness of architecture decision-making. In this article, taking the e-commerce ...

Posted by mhodge87 on Sat, 23 Oct 2021 03:40:30 -0700

Principle analysis of Spring core components

This article was not originally created by the blogger. When the blogger learned the underlying principles of Spring, he felt that this article was very profitable. He read it several times and had different experiences each time, so he wanted to record it through the blog. If there is infringement, it shall be deleted. The core of Spring ...

Posted by kippy on Sat, 23 Oct 2021 03:32:08 -0700

Heap structure and heap sorting

Heap (priority queue) Time complexity: The time complexity of initializing heap building is O(n) Heap sort rebuild heap O(nlogn) PriorityQueue small top heap Small top heap: the weight of any non leaf node is not greater than the weight of its left and right child nodes Constructor constructor Function introductionPriorityQueue()Create a ...

Posted by rajeevbharti on Sat, 23 Oct 2021 03:06:30 -0700

Train your dataset with yolov5 and deploy yolov5 through flash

Use yolov5 to train your own dataset (detailed process) and deploy yolov5 through flash github project address Use yolov5 to train your own data set (detailed process) and deploy it through flash 1. Prepare data set PASCAL VOC In this paper PASCAL VOC extraction code: 07wp Take the dataset as an example. Put the dataset under the project d ...

Posted by sentback on Sat, 23 Oct 2021 02:48:39 -0700

Five ways of inheritance

Several ways of inheritance: 1. Borrow constructor 2. Combination inheritance 3. Prototype inheritance 4. Parasitic inheritance 5. Parasitic combinatorial inheritance 1. Borrow constructor // Define SupTyp constructor function SupType() { this.colors = ['red', 'yellow', 'blue'] } function SubType() { // Inherited SuperType SupTyp ...

Posted by trufla on Sat, 23 Oct 2021 02:36:10 -0700