IT technology opinions

H5 caching mechanism shallow analysis of mobile web loading performance optimization

1 Introduction to the H5 caching mechanism H5, or HTML5, is a new generation of the HTML standard that adds many new features. Offline storage (which can also be called a caching mechanism) is one of the very ……

DeepreadingandDeliberatepracticeDeepreadingandDeliberatepractice12

13.jpgDeep reading and Deliberate practice Sort of a recap of recent blog and book reading I've recently been reading How to Read a Book, interspersed with another reading of Dark Time, Treating Time as a Fr……

Rescue SSR One-Click Pack - from 91yun

For some reason, 91yun quietly deleted the ssr one-click package page, in order to use their own convenience in the future, first from its snapshot collection. The latest one-click package: SSR's latest one-……

Super detailed hands-on build of a Vuepress site and turning on PWA with automatic deployment

Remember to make sure you read the caveat at the end! Introduction to Vuepress Official website.https://vuepress.vuejs.org/resemblehexo A minimalist static website generator, usefulness to write technical docu……

RECOMMENDED: One hour to build a data analytics platform

Today you are taught how to build a set of Data analysis platforms。 It is probably the easiest tutorial to build and can be done with a little Python foundation. With open source tools, the entire time can be c……

180 simple test cases for B/S, C/S architectures

180 simple test cases for B/S, C/S architectures This is a list of tests for both WEB applications and desktop applications. Test lists are an integral part of the test case writing process. Using this checkli……

There are subtle differences between artificial intelligence, machine learning and deep learning

Hello and welcome to this edition of Tech Trivia. The world as we know it is moving towards machines - big time. But we can't take full advantage of any machine's work without a lot of human interaction. In ord……

Read about common solutions for distributed Sessions in one article

preamble In the previous article "Talking about HTTP state retention", we introduced the knowledge point about HTTP state retention. We know that the HTTP protocol itself is stateless, so in the process of usin……

Why do Germans willingly work as mechanics?

Former German President Herzog once said, "To keep the economy competitive, the What Germany needs is not more PhDs, but more technicians. "By technicians, I mean the "industrial technicians" who support "Made……

Why do most driverless cars go with pure electric vehicles?

Driverless technology is the technology that represents the future， Both traditional car makers and internet car companies are trying to make a breakthrough in driverless technology。 So why do driverless test v……

vscode kinky story (above)

Every time I change editors it's an ordeal, from the earliest eclipse, sublime, webstorm to the atom I'm using now, the drive to change editors is to find a balance of cooler and lighter, I actually really lik……

springboot2 Custom HttpTraceRepository

preface This article focuses on the springboot2 custom HttpTraceRepositoryConfiguration@Configuration@ConditionalOnWebApplication@ConditionalOnProperty(prefix = "management.trace.http", name = &quo……

[Classics Revisited] Those Things About Statistical Learning

!【Introduction】 This is some insights on statistical learning written by Dr . Can Yang in the early years, especially about Lasso and Boosting . I also benefited from seeing this article back then during my bl……

图的着色

图着色问题，相邻的点颜色不同基础知识：http://wenku.baidu.com/view/d7242fd1c1c708a1284a444d.html名词解析：平凡图：只有一个点若图为平凡图，则其染色的点x（G）= 1 ……

Remove a robot's leg and it can still learn to walk?| Optimized DRL strategies in the third dimension

Walking Chestnut from Au Fei Temple Quantum Bit Product | Public name QbitAIDisney's robots.， I don't care how many legs are left. (n>0) ， They can all learn to walk.。 So, how was it learned? The researc……

What are MySQL's indexes? How to optimize?

Abstract: Indexes are great for improving query speed on big data, and Explain can help you analyze whether the SQL statement uses the relevant index. Indexing is similar to building bibliographic indexes in u……

Hypershadowsocks Complete Tutorial

Hyper shadowsocks complete tutorialPosted August 15, 2016 What's Hyper? Hyper is a runtime engine that can run Docker Images directly on the hypervisor, without installing the full operating system. Instead o……

Troubleshooting and solving high CPU usage problems at once in java

recent period An application on a certain server keeps hanging itself at intervals usefulnesstop Take a look. Not much time since the application was redeployedCPU Occupancy i……

Little Chat Room

Little Chat Room Environment: python3 ubuntu Library: socket Understanding Ubuntu's nc command nc -l 8088 #Enable listening on local port 8088 2.nc localhost 8088 #Connect to local port 8088 The nc command sup……

The prohibited keywords added in the word filtering of the discuz, the administrator can not be subject to this restriction

Some webmasters have suggested that it is a good idea to use it in Discuz! X2 backend content, word filtering added in the prohibited keywords, the administrator can not be this restriction, the following to m……

Getting Started with MySQL Basics - MySQL Interaction with R and Python

MySQL, one of z most popular relational database management platforms, interfaces with most data analysis tools or programming languages, and this one today shares how to connect MySQL to R and Python. There ……

为什么程序员总是写糟糕的代码？这3个原因

我最近一直在想我们作为一个行业为什么总是产出糟糕代码的原因。1.明显原因……我一下子想到的最明显的原因是，有好的程序员，也有不那么好的程序员，有的人技术水平高，有的人水平却低，有人对这门技艺感兴趣，但也有的人却不愿意在工作之外学习其他。好了，我就不深入探讨了。那么是不是在这表层之下还有更多的问题呢？有没有导致糟糕代码的根本性原因？我觉得有必要深入探究一下。2.低预期……对于这一点，众所承认的是，我们在大学中，通过自学……

Reading Notes:Introduction to Game Theory - 04 - Static Game Rationality and Public Knowledge with Complete Information

Reading Notes: Introduction to Game Theory - 04 - Static Games with Complete Information Rationality and Public Knowledgerationality harmony public knowledge This article is a study note for Game Theory An Int……

Computer vision: get into the fastest track, make the most money

Fingerprint unlocking, face swipe recognition, voice to text conversion, robot doctor visits, Alphago ------ We already feel it profoundly that AI is changing the way we work and perceive. The SAS report for t……

SiFive2018 Shanghai Technical Seminar was successfully held

Source: Content from CIC IC, thanks.On May 17, the SiFive 2018 Shanghai Technical Seminar, hosted by SiFive, a leader in RISC-V and open source hardware, and co-organized by Cancore Semiconductor and China IC ……