Programmer Group

Git branch version management                    the mainstream code management tool is basically GIT. Although svn is also used by some people, it is not so much. Git is still accepted by most people. The c ...

1 if ( typeof v === 'undefined') { // true } if ( typeof null === 'object') { // true } 2 Number(null) //0 5 + null //5 Number(undefined) //NaN 5 + undefined //NaN 3 integers and floating points There are no integers at all at the bottom of JavaScript language. All numbers are decimals (64 ...

outline The programming exercises in this chapter mainly focus on the application of different data types (when to use what data types are better) and type conversion (the definition of data types is different from the type required in actual calculation) 3.1 feet and inches for height #include<i ...

To realize the classification of CIFAR-10, the steps are as follows: Loading and preprocessing CIFAR-10 datasets using torch vision Defining network Define loss function and optimizer Train network and update network parameters Test network 1. CIFAR-10 data loading and preprocessing import to ...

Pick up another article. The way of Flutter state management (4) This article mainly introduces the shuttle ﹣ mobx Fish Redux Version: 0.2.7 Library address: https://github.com/alibaba/fish-redux/ Evolution process concept object Explain Subordinate Library Action Represents an intent that ...

How to de duplicate the list, which is often asked in the interview, is used to check your mastery of the list data structure and related methods, and to show whether your java foundation is solid.As we all know, set sets are characterized by no repeating elements. If the data type in the collection is the basic data type, you can directly conv ...

Last article: What happened to a call to the server of Pigeon In the previous section, we introduced the process of the request calling of Pigeon, so how is the service of Pigeon perceived by the caller? We know that RPC usually has a registry to store the information of service testing (ip, port, etc.) ...

Discussion on cache, buffer and swap caused by free $ free total used free shared buffers cached Mem: 8062624 7910056 152568 0 5232 964468 -/+ buffers/cache: 6940356 1122268 Swap: 4194296 2592660 1601636 total: the ...

I. progress Concept: A process is a running program, which represents the memory area occupied by the program. For example: 360 is a program, and there are many processes running when 360 is running, as shown below. Characteristic: Independence: a process is an independent entity in the sy ...

throw Throw is used to throw objects of specific exception classes, generally used in method bodies. When to use: throw an exception object to remind the programmer when the written code does not meet certain conditions and the program cannot run. Python like raise public class Student { private int ...