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1, Introduction Webrtc provides a RtcEventLog interface for real-time data capture. Through this interface, RTP header data, audio and video configuration parameters, detection data of webrtc in and out of webrtc can be captured in real time. For details, refer to the RtcEventLogImpl class definition. void LogVideoReceiveStreamConfig(const ...

Why climb the weather? 1. You can practice. 2. After using the itchat library to realize the function of automatic reply, integrate the function of weather check, and realize the function of wechat self-service weather check! First of all, it's a similar pattern. Let's see if we can grab a general API directly on the official website (XHR). The ...

1.facebook login function 1. Create application information in Facebook developer website The website is here 1. Do it step by step 2. In "generate development key hash", there are two options: Mac operating system and Windows operating system. For general Windows operating system, you need to install &q ...

Previously, there was a bug like this when you logged in. When you click on the sign-in browser will prompt you to "save password". Then if the user accidentally clicks on this "save" when they go online in a field such as an Internet cafe, it will be troublesome. After shutting down and leaving, the ...

This article starts with WeChat official account of vivo Internet technology. Links: https://mp.weixin.qq.com/s/jG8rAjQ8QAOmViiQ33SuEg Author: Chen Long Recent projects need to support dozens of languages. Many small languages seem to be the same as garbled code in the eyes of people who don't know them. Translation is generally transl ...

From: Author: hiloves Blog: http://www.cnblogs.com/hiloves/ 1, you must initialize the library before you use glog. To generate the log file, you only need to call it once before starting log: google::InitGoogleLogging(argv[0]); //Program name in parentheses When you want to end glog, you must close the li ...

java delete all null values in list This article introduces how to delete all null values in the list, which are implemented in the normal Java way, Guava, Apache Commons Collections and java8 lambda expression way. Normal java mode The java Collection framework provides a simple solution through the basic while loop: @ ...

pytesser is an open source project of Google, which can be used for text recognition in pictures Here we will use it for simple verification code identification. The code is as follows: #!/usr/bin/env python # -*- coding:utf-8 -*- __author__ = 'admin' from pytesser import * flag = 140 table = [] for i in range(256) ...

1, Major coordinate systems At present, map development is inseparable from positioning, positioning is inseparable from the selection and transformation of coordinate system, so it is necessary to simply say. World geodetic coordinate (WGS84) 1. The internationally adopted standard is the coordinate system established for the use of GPS global ...

(I) analysis page Download the sales data for this link below https://item.jd.com/6733026.html#comment 1. When turning the page, the Network tab of Google F12 can see the following request.   It can be seen from the Preview tab that this request is to obtain comment information 2. Compare the first page, the second page, the third page Differ ...