The Future of AI Chips Might Not Be GPU
In the layout of AI computing architectures, the model of CPUs working in collaboration with accelerator chips has become a typical AI deployment solution. CPUs act as providers of basic computing power, while accelerator chips are responsible for enhancing computational performance, aiding in the efficient execution of algorithms. Common AI accelerator chips can be categorized into three main types based on their technological paths: GPU, FPGA, and ASIC.In this competition, GPUs have emerged as...
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Event Loop Mechanism in JavaScript
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IntroductionThe Event Loop MechanismThe event loop mechanism is the core of how JavaScript handles asynchronous operations. It ensures that the execution order of the code aligns with the expected sequence.JavaScript's Single ThreadJavaScript is known for being a single-threaded language, meaning it executes one task at a time. This can lead to a significant issue: if a thread is blocked, the entire program becomes unresponsive. To address this, JavaScript introduced the event loop mechanism. Th...
Python and PLC Communication
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This article provides detailed steps on how to use Python to communicate with Schneider M221 and Siemens S7-1200 PLCs via Ethernet. Additionally, we offer a packaged Python PLC client library, enabling you to easily build your own SCADA control programs, such as Human-Machine Interfaces (HMI). The system overview is shown below:To check the project detail please refer to Python Physical PLC Communication Clients# Created: 2024/06/29# Version: v0.1.3# Copyright: Copyright (c) 2024 LiuYu...
Reflection in Java
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What is Reflection?Reflection is a feature in Java that allows a program to obtain information about itself at runtime and dynamically manipulate the properties, methods, and constructors of classes or objects. With reflection, we can instantiate objects, call methods, and set properties without knowing the exact class name beforehand.The core of the reflection mechanism is the Class object, which represents a class. The Java Virtual Machine (JVM) automatically creates this Class object when it ...
The Pitfall of WebSocket Disconnections Caused by Browser Power-Saving Mechanisms
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PrefaceRecently, while using WebSocket (WS) connections, we encountered frequent disconnection issues, occurring hundreds of times per day for a single user. Although using the auto-reconnect feature of socket.io allowed us to quickly restore connections after disconnections, it did not guarantee that every reconnection would successfully receive WS messages. Therefore, we conducted several investigations and tests.Ultimately, we identified the root cause of the issue: the browser's power-saving...
The Problem with Random Numbers
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Today, let's talk about how to generate true random numbers. This is an extremely difficult problem, but it involves some very interesting content.First of all, the random numbers provided by programming languages are pseudo-random numbers. The V8 engine’s official website has an article that particularly reminds everyone of this point. The built-in random numbers are not true random numbers but pseudo-random numbers.Math.random() returns a Number value with positi...
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What does your personal desk look like?
As a programmer, what does your personal desk look like? How many monitors do you have? Does it look like that in The Matrix?
How much time do you code every day?
As a developer, the major work daily is normally coding and debugging. However, nowadays it's pretty challenge for the developer to invest much time on coding every day as there are lots of other things distracting us like meetings, emails etc.
How much time do you spend on coding daily? What are the distractions you have in your daily work?
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What lies would programmers like to tell?
Frequently programmers like to say this should work, this is not a bug but a feature. These all sound like a lie. Do you know what other lies programmers like to tell?
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Is GoLang being used in more and more startups?
There seems a trend that more and more startups start to use GoLang as their main BE programming languages with the obvious advantage of high concurrency support and bunch of other features. Is this happening to your company as well? Why do you like and dislike GoLang?
