From: May’s Cangjie Cause During the 6.1 major promotion, a problem was discovered during duty hours: an RPC interface showed high response time (RT) during the peak order placement time from 0 to 2 AM (over 1s, even though this interface was optimized, an RT over this value is problematic; typically, even complex logic in … Read more
HTTP 2.0 is an extension of 1.x rather than a replacement. It is called “2.0” because it changes the way data is exchanged between clients and servers. HTTP 2.0 introduces a new binary framing layer that is not compatible with previous HTTP 1.x servers and clients — hence the name 2.0. Before formally introducing HTTP … Read more
This article mainly introduces some improvements and new features of HTTP2 compared to HTTP1.1. 1. Shortcomings of HTTP1.1 The HTTP protocol adopts a “request-response” model. When using the normal mode, i.e., non-KeepAlive mode, a new connection must be established for each request/response between the client and server, and the connection is immediately closed after completion … Read more
As a front-end developer, caching is a concept we encounter daily; it’s a common interview question and frequently comes up in our work. While most of us are familiar with caching headers, have we ever thought about why HTTP’s caching control is designed this way? First, why have caching? The code and resources on a … Read more
Nowadays, high-speed, large-capacity microSD and SD cards have become the most popular storage products for every imaging worker and digital photography user. As the school season approaches, many people’s vlogging cameras and DSLRs need new cards. So, what specifications of SD cards should you buy? Three Sizes, Five Classes All SD cards (Secure Digital) use … Read more
The discussion of HTTP performance here is based on the simplest model, which is the HTTP performance of a single server. Of course, this also applies to large-scale load-balanced clusters, as such clusters are composed of multiple individual HTTP servers. Additionally, we exclude scenarios where the client or server itself is under heavy load or … Read more
The TCP/IP technology, considered one of the great inventions of the Internet era, has profoundly impacted today’s world. After nearly a month of study and exploration, I have a basic understanding of TCP/IP. Since TCP/IP operates in kernel mode within the OS, many details are not perceptible to users, leading to some confusion about TCP/IP. … Read more
Source: Data Analysis 1480 This article is about 4400 words long and is suggested to be read in 8 minutes. This content shares methods to speed up execution purely using <strong>Python</strong> programming. Python is a scripting language that has some limitations in efficiency and performance compared to compiled languages like C/C++. However, in many cases, … Read more
Source: Tiger Talks Chips Original Author: Tiger Talks Chips This article introduces the characteristics of Application Specific Integrated Circuits (ASICs) and their differences from other integrated circuits. ASIC (Application Specific Integrated Circuit) is an integrated circuit designed and optimized for specific applications. Its functions are fixed during manufacturing and cannot be changed or reprogrammed. Unlike … Read more
Original | https://blog.bitsrc.io/5-useful-tools-and-libraries-for-testing-vuejs-applications-13166f930da8 Author | Nethmi Wijesinghe In recent years, Vue.js has become one of the most popular web application frameworks, which is not surprising given its flexibility, ease of use, and productivity. However, none of these matter if you do not test your applications correctly. Software testing perfects the entire process, ensuring the excellence … Read more