[Valentine's day limit] dog food artifact in the circle of friends_ copy
[exclusive for Valentine's day] dog food is sprinkled in the circle of friends, which is a high force artifact
Reprinted from AI Studio
Title item link https://aistudio.baidu.com/aistudio/projectdetail/3472196
The annual Valentine's Day is coming. Are all those who have objects worried about how to make a high-profile circle of friends. As a ...
Posted by Neoraven456 on Sun, 20 Feb 2022 10:40:10 +0100
Exception handling in Python
The art and Tao of Python Programming: an introduction to Python language Link to the video course "the art and Tao of Python Programming: an introduction to Python language": https://edu.csdn.net/course/detail/27845
exception handling
Errors detected during execution are called exceptions. Exceptions are events that can modify the ...
Posted by anhedonia on Sun, 20 Feb 2022 10:33:26 +0100
UDP, TCP, Lambda expression, interface composition update, method reference
UDP communication principle: UDP protocol is an unreliable network protocol. It has a Socket object at both ends of the communication, but these two sockets are only the objects to send and receive data
Both sides of communication based on UDP protocol have no so-called concept of client and server
The datagram Socket class provided by Java i ...
Posted by mooler on Sun, 20 Feb 2022 10:31:58 +0100
JavaScript Object. Use of defineproperty() method
Object. Use of defineproperty() method
Object. The defineproperty () method will directly define a new property on an object, or modify an existing property of an object and return the object.
Object.defineProperty(obj, prop, descriptor)
Parameters:
obj: object to define attributeprop: the name or Symbol of the attribute to be defined or ...
Posted by toodi4 on Sun, 20 Feb 2022 10:25:17 +0100
Rule engine design
summary
The so-called rule engine refers to the mechanism of if some condition match then trigger some thing. Condition is a series of expression s, such as when the equipment status is changed to offline (attribute), and someone passes through the gate (event); Trigger a series of actions, such as storing in the database and sending alarm inf ...
Posted by Nunners on Sun, 20 Feb 2022 10:19:12 +0100
Neural network case
Neural network case
Learning objectives
Able to use TF Keras get datasetConstruction of multilayer neural networkBe able to complete network training and evaluation
The MNIST dataset using handwritten digits is shown in the figure above. The dataset contains 60000 samples for training and 10000 samples for testing. The image is a fixed ...
Posted by dabas on Sun, 20 Feb 2022 10:10:24 +0100
Drawing DEM with GEE gracefully
about
Yesterday I read a high-quality Python topographic map blog. With emotion, I thought of the characteristics of GEE (Google earth engine) with many data sources, fast calculation speed and many calculation operators. Using GEE should not be inferior to python.
Production process
There are three steps to draw DEM with GEE, the most impor ...
Posted by malcolmboston on Sun, 20 Feb 2022 10:03:47 +0100
[OC learning notes] learn about GCD threads
1, Learn some basic knowledge
(1) Queue:
Queue queues are divided into the following types:
1. Global queue:
dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
2. Main queue:
dispatch_get_main_queue()
3. User created serial queue:
dispatch_queue_create("com.yuna.com", DISPATCH_QUEUE_SERIAL/NULL);
4. User created parallel ...
Posted by Miichael on Sun, 20 Feb 2022 09:53:30 +0100
This is how goim achieves high concurrency
This chapter will explain the implementation principle of goim high concurrency from two aspects: Architecture and program design.
framework
Firstly, in terms of architecture, goim is divided into three layers: comet, logic and job.
Comet belongs to the access layer and is very easy to expand. Multiple comet nodes can be directly opened. F ...
Posted by phpparty on Sun, 20 Feb 2022 09:51:43 +0100
23_ Implementation of mini Vue for vue3 source code learning
Implementation of mini Vue for Vue3 source code learning
Implement Mini Vue
Here we implement a concise version of the mini Vue framework, which includes three modules:
Rendering system module;Responsive system module;Application entry module;
1, Implementation of rendering system
Rendering system, this module mainly includes three functio ...
Posted by mogster on Sun, 20 Feb 2022 09:44:30 +0100