Software System
Software System
Swift3 0 basic syntax 01
Software System
WeChat applet development with mpvue framework-basic configuration
Software System
Algorithm notes---backtracking
Software System
Redis learning-advanced features
Software Testing
Software Testing

Worth collecting necessary tool functions for front-end development

... Lincoln
favorite700
Software Testing

Design pattern delegation mode, strategy mode, template mode, adapter mode, decorator mode, observer mode

... Luke
favorite1358
Software Testing

apphoster-A Fastlane plug-in is packaged and automatically uploaded to the app-host internal test distribution server

... Camden
favorite649
Software Testing

From zero basic to IT, how to choose software testing and cloud computing operation and maintenance?

... Jason
favorite1165
Software Testing

Weex Detailed: Flexible mobile terminal high-performance dynamic solution

... Matthew
favorite373
Software Testing

SwiftMonkey: A random UI testing framework for iOS apps

... Greyson
favorite1963
Software tools
Software Tools

JS function execution timing

Please watch the code below let i = 0 for(i = 0; i<6; i++){ setTimeout(()=>{ console.log(i) },0) } This string of code runs like this Are you wondering why the console will print 6 6 Because the function setTimeout will make your console.log() execute slower Will let you agree to i immediately after finishing the for loop For example, if you go to work every morning for fear of being late, you set the alarm clock, and then the alarm clocks will ring in sequence. It may be a little slower b

... Benjamin
schedule 2 min read
Software Tools

[Transfer] Da Mo | Share the front-end technology used in the hand-made Chinese New Year project

When you accompany your family to nibble melon seeds, watch the Spring Festival Gala with your family, and take part in the Spring Festival Gala interaction with your hand Tao, there are more than 200 programmers in Hangzhou who are still fighting on the front line. Now the year is over, the prizes are drawn, and the red envelopes are also taken. It's time to get back to work. This time I am very honored to be able to participate in the hand-sell New Year project (red envelopes and Spring Festiv

... Rowan
schedule 18 min read
Software Tools

The SPOON report | PIX self-driving is "spotted" by the US food technology industry

Based on PIX self-driving city robot platform A large chain restaurant, A movable locker can be created to deliver meals; A grocery store, A smart temperature-controlled vending machine with wheels can be created; A large warehouse store, A platform can be attached to move goods. Uninterrupted operation 24 hours a day, "not closing" A new mobile retail format It also provides a whole new life experience                           &n

... Bryson
schedule 5 min read
Software Tools

A problem with the skyrocketing of threads in the Go program system

Recently, a problem that the number of threads in the Go program system has skyrocketed has been fixed. The number of threads has remained at 2 to 30,000, and sometimes even more. This situation is obviously not in line with Go's concurrency principle. The first time I found that the number of threads is so large because the program suddenly crashed. Since the maximum number of threads available for the program is set, the number of threads will crash if there are too many threads.This program i

... Isabel
schedule 8 min read
Software Tools

I made a dish image recognition system with flying paddles

[Flying Paddle Developers]: Bei Shitao, undergraduate from Zhejiang Sci-Tech University, second prize winner of the 2019 China University Computer Competition-Artificial Intelligence Innovation Competition With the development of information technology, great changes have taken place in my country's catering construction. At present, most canteens are mainly manual, with all-in-one card consumption, that is, self-service selection of dishes and manual settlement. Compared with the previous use

... Dominic
schedule 12 min read
Software Tools

Everyone can develop a BI system without infinite gloves

The new version of Runqian report is released, with its own open source report center, with complete BI functionsBusiness intelligence (BI) systems that are "tall and big" have always been dominated by some well-known manufacturers. The price of foreign...and... is quite expensive, and the price of domestic...and... is also expensive. Is it possible that the majority of non-famous small and medium-sized software companies can only sigh with excitement? Can many SME customers not share the value

... Hunter
schedule 3 min read
Database Technologies
Database Technologies

Detailed explanation of common JavaScript tips and principles

Good at using small knowledge in JS, can write code very concisely 1. Use !! to simulate the Boolean() function Principle: When logically not operating a data object, it will first convert the data object into a Boolean value, and then negate it. Repeatedly negate the two!! to achieve the effect of converting to a Boolean value. 2. Use unary plus (+) to simulate the Number() function Principle: Using unary plus (+) for non-numeric data will have the same effect as the Number() function. null is

Database Technologies

Ten tips on JavaScript debugging

The Github Repo of the series of articles is lazy. The original address is here 'debugger;' Besides console.log, it debuggeris another quick debugging tool that I like very much. After adding the debugger to the code, Chrome will automatically stop at the place where it is inserted, much like a breakpoint in C or Java. You can also insert this debugging statement in some conditional controls, such as: if (thisThing) { debugger; } Display Objects in tabular form Sometimes we need to see the deta

Database Technologies

The MySQL database does not have a complete backup and delete the database. What else can I do except run away?

1. BackgroundSome time ago, due to a misoperation by an operation and maintenance colleague, the core database of the intranet was emptied, which caused the company's internal management system to be unavailable for a long time, and a large amount of knowledge base content was almost lost due to no backup.Combining the incidents of deleting databases and running away from Weimeng in the past two days, we can see that database backup and recovery are particularly important.This article will sort

Database Technologies

High-risk warning | SQL database becomes the main target of attack, or triggers a new round of large-scale blackmail

Recently, the Alibaba Cloud security team discovered that many of the current Internet servers and SQL databases are still directly exposed to the public network, and the number is on the rise. Hackers can use vulnerabilities in the database or weak passwords to directly obtain data, and plant ransomware and mining viruses to seek profit. Alibaba Cloud security experts found that there has been a significant increase in recent incidents of users databases on the cloud being extorted due to weak

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