Programmer Group

#Author introductionJiang Pengcheng, Suzhou wandianzhang Software Technology Co., LtdprefaceCloudCanal recently provided the ability to build a wide table with custom code. We participated in the internal test of this feature for the first time, and it has been put into production and operated stably. See the official documents for the developm ...

1. Customize the Interceptor 1.1 case requirements When Flume is used to collect the local logs of the server, different types of logs need to be sent to different analysis systems according to different log types. 1.2 demand analysis: Interceptor and Multiplexing ChannelSelector cases In actual development, there may be many types of ...

In a strange environment, we often feel difficult to adapt. ActionScript3 can also be found around 2012. But ten years later today. With Flash, he was sentenced to death. His way is not far. Come on. It will be the front-end world in the future. Come on. Front end learning: https://web.qianguyihao.com/ Don't ask me why I say so much. I'm st ...

hi, Hello, I'm Lao TianToday we share distributed locks. This paper uses five cases + diagrams + source code analysis to analyze them.Common synchronized locks and locks are implemented based on a single JVM. What should I do in a distributed scenario? Then the distributed Lock appears.There are three popular distributed implementation schemes ...

1, BackgroundAs the project becomes larger and larger, the compilation time is silently increasing. Whether in the development stage or production integration, compilation time has become a pain point that can not be underestimated.After nearly five years of continuous development iterations, our project has also recently migrated from the orig ...

About how to multi-channel packaging, the following text explains in detail how Android realizes multi-channel packaging and fast packaging.Multi channel packagingConfiguring gradle for multi-channel packaging Whenever an application releases a new version, we will distribute it to every application market, such as 360 mobile assistant, Xiaomi ...

Android 4.4 Publish ART virtual machine and provide options to enable it.The underlying implementation of HttpURLConnection is changed to OkHttp. Android 5.0 ART becomes the default virtual machine and completely replaces Dalvik virtual machine.The Context.bindService() method requires an explicit intent. If an implicit intent is provided, an ...

backgroundWith the increasing scale of AI model and training data, users have higher and higher requirements for the iterative efficiency of the model. Obviously, the computing power of a single GPU can not meet most business scenarios. The use of single machine multi card or multi machine multi card training has become a trend. The parameter s ...

introduce First use Anaconda to create a virtual environment named pt37, and then want to open jupyter in this virtual environment. Follow other online tutorials and use conda install nb_conda and python -m ipykernel install --name {your virtual environment name, such as QQ} -- display name {the name you want to display} did not find the crea ...

Chapter 17 Java 8 new features primary coverage Lambda expressionStreamAPIOptional Learning objectives Be able to understand the advantages of functional programming over object-oriented programming Be able to master the standard format of Lambda expression Ability to use Lambda standard format Be able to master the ellipsis format and rul ...