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A Small Program for Random Generation of Four Operations Based on http://www.cnblogs.com/HAOZHE/p/5276763.html Github source code and engineering file address: https://github.com/HuChengLing/- Basic requirements: In addition to integers, it can also support four operations of true fraction. The function of the implementation is described, and t ...

Some Extended Sharing About volley Sharing This article does not explain the basic usage of volley and how to request data. The purpose of this article is to learn some optimization of Volley for us. Simple Source Code Analysis Practical extension I. Simple Source Code Analysis First, look at Volley's entry, Volley's newRequ ...

1. Export mongodb data, Tomas access information data, User-function Usage, right-click, Export Collection, can be saved as json or csv format. 2. In mongodb database, only the index contained in the primary key is duplicate data. An index is the same, not duplicate data. The primary key is the unique index of the collection. 1)mongodb data ...

In the process of Android application development, we often use some so-called architecture methods, such as mvp, mvvm, clean, etc.These methods are recommended because they greatly decouple the functional modules of our code, making it easier for our code to expand and maintain in the middle and later stages of the project. I personally rec ...

Newcomers come to Sa, Bao Jiao Bao Club, increase knowledge and teach routinesExperimental Environment: VMware Virtual Machine, CentOS-6.9 Operating SystemExperiment Details: Remove boot directory in partitioned case and repair to remove fstab fileDelete the boot directory by mistake, don't panic, follow the blogger step by step to rebuild itFi ...

Preface Recently, it is a pit in the source code. What always wants to hold down the ctrl to see the source code. During this period of time, we studied the source code of okhttp, and found that the source code of okhttp is not easy to gnaw down in a few days, so let's go step by step. This blog mainly analyses the execution process of the s ...

Network sockets using QT s require the addition of a sentence in the. pro file: QT       += network   I. Client 1. The client code is slightly simpler than the server. Generally speaking, using the QTcpSocket class in the QT to communicate with the server requires only the following five steps: (1) Create a QTcpSocke ...

Because of the use of MVP in the company's architecture model, I feel I am not familiar with it, so I decided to do this and summarize it for you. Introduction of MVP Model MVP is called Model View Presenter. MVP can effectively reduce the complexity of View, avoid business logic being crammed into View, and prevent ...

Experimental requirements 1. Display network card information 2. Display IPV4 information Experimental steps 1. Functions of Confirmation Program Query all network card information on the computer, including network card name, MAC address, IP address, sub-gateway mask, gateway and other information 2. Searching for Relevant Informatio ...

In convolution network, to avoid shrinking the output image and losing image edge information due to convolution operation, image edge filling technology is often used, that is, filling 0 around the edge of the image so that the image size will not be reduced after convolution operation, and the information of edges and corners will not be ...