Programmer Group

LZ-Says: Everything, always after experience, will gain more. Sometimes what we want is really simple, but we gradually forget the original intention in the pursuit process. May you all forgive your first thoughts and go ahead with your best wishes on the way forward!!!!!!!!!!!!!!!!!!!!!!!!!!! Preface Material Design, the consci ...

Istio is an open-source micro-service Service Mesh framework that combines Google, IBM and Lyft. It aims to solve the problems of discovery, connection, management, monitoring and security of a large number of micro-services. The main characteristics of Istio include: Automatic Load Balancing of HTTP, gRPC and TCP Netw ...

image.png Last article Face Frame Detection It has been introduced that if we detect the information of face location from video stream, based on these contents, we continue to expand downward to get the information of 68 key points of face. The reason why we want to get the information of face location is to prepare for the ...

Principle and Process Analysis of Android OTA Upgrade (7) - The Core Installat_package Function of Recovery Service 1. Recovery service core install_package (update.zip-specific) Unlike wipe_data and wipe_cache in Recovery Services, install_package() is a unique and core part of upgrading update.zip. This is where we really started ...

Copyright is owned by Mr. Wu Enda for reference. Koala_Tree'sBlog Some of them are added according to their own practice Using google translation, part of manual translation Part 1: Construction of deep neural network: 1 - bag Let's first import all the packages you need during this allocation.   - numpy Python is the ...

singleTask: In-stack multiplexing mode. In this mode, if the Activity exists on the stack, it will not recreate the instance but destroy all the activities on it (excluding itself), reuse the Activity and call its onNewIntent method. If the Activity does not exist, it will be created and stacked to the required Activity. Task s ...

Background introduction: 3D Touch is a three-dimensional touch technology, which Apple calls a new generation of multi-touch technology. It is Force Touch used on Apple Watch. The screen can sense different pressure touch. 3D Touch, the new feature of Apple's iPhone 6s, looks like a right-click on a PC. There are two new gestur ...

I used to play C, Json, XML and so on, but now I start to play C++, only to find that the world I know is too small - the original C++ and Google Protocol Buffers are such good things. Sure enough, it's good to develop on PC. Without considering the size of executable program, you can use C++ freely. Reference Protocol Buffer Basics: C++Google ...

Written in front When you use multiple git accounts locally, or when multiple people deploy multiple git accounts with one machine, there are often conflicts. Today, you have encountered one. Problem description Many of us use a machine together. When we reconfigured yesterday, we accidentally set my username and mailbox to the global configura ...

Asynchronous function invocation, in addition to call_soon(call_soon_threadsafe), there is also a delay call, that is, call_later,call_at. By looking at the source code, you can easily find that call_late is actually achieved through call_at. def call_later(self, delay, callback, *args): timer = self.call_at(self.time() + delay, callback, ...