In "current context", all keywords with var/function are pre-declared and defined by the browser before the code is executed. Var is pre-declared, and function is...
This article introduces the multi-room live architecture that only large Internet companies use. What is a server? What is a rack? What is a computer...
Thread safety refers to a method or a piece of code that can be executed correctly in multiple threads without data inconsistency or data contamination.
The time wheel is a clever algorithm to implement the delay function (timer). Time wheel can efficiently utilize thread resources for batch scheduling. Bind a...
A recent requirement encountered in the project was to implement a feature that could dynamically add scheduled tasks. At this point, some people might say...
This article takes a unique perspective of the interviewer to analyze the resume style often written by Java programmers, analyze the interviewer's mentality when reviewing...
New week, check out what happened last week! Recently, Vue released the official documents of the whole department. The new documents mainly have the following...
Preface As a person who graduated from the epidemic in 20 years, experienced school recruitment (small company) and social recruitment, and has worked for about...
Regardless of the environment in which JS code is executed, the associated memory needs to be allocated for storing values "Heap storage" and running code...
What concurrent containers are available in Java, what are their characteristics, and what scenarios are suitable for them? This article from the actual project, about...
FindViewById: findViewById: findViewById: findViewById: findViewById: findViewById: findViewById: findViewById: findViewById: findViewById: findViewById: findViewById: findViewById So our annotation processor can help solve the redundant code, in Android...
Java collection 30 questions, in-depth comprehensive, illustrated, read, ensure that you know more than the interviewer set! This article, in addition to the previous HashMap...
Runloop is one of the most common interview questions for iOS developers, but every time you're asked a question like this, you're afraid you're not...
Scenario: Some requirements require users to upload photos, which may be too large, resulting in a long upload time and reduced user experience. In this...
The interviewer asks, "What is React Fiber?" Why is it called Fiber? What problems does the Fiber architecture solve? How to answer such a question,...
Both shake-out and throttling are designed to prevent multiple calls to a function from causing a page call, but they are different in nature. Shake-out...
On 24th, I had an interview with a Chengdu-based Company, Zhisuangyu. Compared with the last interview, I still made some progress this time, but unfortunately...