Programmer Think

preface The company has recently developed a program. The requirement is to obtain customer ID from the database through the user's mobile phone number, and carry out the following series of operations according to customer ID. Here is a summary of the experience: 1. Authorization to obtain ciphertext according to Official documents ...

1, DHCP 1. Application background and scenario ① Background: in large enterprise networks, a large number of hosts or devices need to obtain network parameters such as IP address. If manual configuration is adopted, the workload is heavy and difficult to manage. If users modify network parameters without authorization, it may cause problems s ...

introduction In the process of business development and database operation, we will basically involve the operation of transactions, which can ensure the integrity of business logic. All data access technologies have transaction processing mechanisms. These technologies provide API s to start transactions, commit transactions to complete data ...

session management Basic properties of HTTP The official website of HTTP is: https://developer.mozilla.org/en-US/docs/Web/HTTP/Overview#http_is_stateless_but_not_sessionless It can be used as a reference manual. Http is stateless and conversational HTTP is stateless: there is no link between two consecutive requests on the same connect ...

Common Java classes: Object class summary It is a super class and base class, which is located at the top of the inheritance number. It is the direct or indirect parent of all classesAs long as any class does not declare extends to inherit a class, it will inherit the Object class by default. Otherwise, it will inherit the Object clas ...

At the beginning of this chapter, we will combine js code to see the implementation of specific functions of the game. The general plan is to first introduce the basic functions throughout the game, and then introduce them one by one according to different function keys and function blocks. The functions related to online in the function will b ...

11.1 packaging 11.1.1 classification of packaging For the eight basic types, the corresponding reference type -- wrapper class With the characteristics of the class, you can call the methods in the class Basic data typePackagingbooleanBooleancharCharacterbyteByteshortShortintIntegerlongLongfloatFloatdoubleDouble 11.1.2 conversion of p ...

Introduction to preface: There are a lot of market analysis. In the final analysis, it's better to give a real current price list. There are not many daily orders, but essence. Shengfu insists on the openness of the whole network and friends.friend.Circle announced in real time. I believe everyone can see the list. The strength is not said, b ...

This article is a personal note based on the video of crazy God on bilibili 1.Spring 1.1 INTRODUCTION Spring framework is an open source J2EE application framework. It is a lightweight container for managing the life cycle of bean s. It solves many common problems encountered by developers in J2EE development. In short, the purpose of Spr ...

  preface   In CefSharp, we can not only use the Chromium browser kernel, but also realize our own resource request processing through various handlers exposed by Cef.   What is a resource request? In short, it refers to the various texts (js, css and html) requested by the front-end page during loading. On the browser with Chromium kerne ...