Programmer Think

Author: Han Xinzi@ShowMeAI Tutorial address: http://www.showmeai.tech/tutorials/84 Article address: http://www.showmeai.tech/article-detail/181 Notice: All Rights Reserved. Please contact the platform and the author for reprint and indicate the source 1. Classification, regression and clustering model 1) Overview of classification algorithm ...

0 preparation Environment configuration, reference hereDownload an official yolov5s PT model, placed in yolov5 root directory, download link here perhaps herePrepare the dataset in the format shown below. Each picture has its corresponding xml format annotation file. yolov5 ├── models ├── runs ├── utils ├── data │ ├── project01 │ │ ├── ...

Iterator and concurrent modification exceptions People who know a little about Java Collection classes may know the problems of Iterator and concurrent modification exceptions, that is, when Iterator is used to iterate to access Collection elements, the elements in the Collection cannot be changed (for example, delete by calling the remove meth ...

preface At present, the JDK version used is basically 1.8 or above. In most interviews, you will ask what is the difference between JDK7 and JDK8 versions of HashMap. HashMap is in jdk1 8, the red black tree is added on the basis of array + linked list. What are the benefits of doing so? In this paper, jdk1 8 version of HashMap to do a s ...

catalogue 1 why look at this source code 2. debug steps 1.1 since it is a thread class, let's see thread Find in C 1.2 since it is jvm, it is in jvm Line 2817 interrupted on CPP 3 we jump to line 2851 4. It can be seen that this is a construction method of javaThread. Let's go into thread CPP 1570 line 5java_ Where is the start method? o ...

01 introduction In the previous blog, we learned about Flink's BroadcastState. Interested students can refer to the following: Flink tutorial (01) - Flink knowledge mapFlink tutorial (02) - getting started with FlinkFlink tutorial (03) - Flink environment constructionFlink tutorial (04) - getting started with FlinkFlink tutorial (05) - si ...

DDP principle Distributed data parallel (DDP) supports multi machine and multi card distributed training. pytorch native support. This paper briefly summarizes the use of DDP and the test under multi card, and introduces it according to the actual code. voxceleb_trainer: open source voiceprint recognition tool, simple and easy to use, ...

preface Not xiaobaiwen, not xiaobaiwen, not xiaobaiwen!!!! It needs a certain foundation. This is only my stepping on the pit, not every step is very detailed. But the key points are very detailed. Why do we use jupyterhub? 1. What is jupyterhub? jupyterhub is * * * *, please Baidu by yourself. It is actually a jupyter with login. Support m ...

1.wait and notify 1.1 short story 1.2 principle 1. The current thread must own the monitor (lock) of this object.2. When the current thread calls the wait () method, the thread will release the ownership of the lock and wait3. Until another thread notifies the thread waiting on the object's monitor (lock) to wake up by calling the not ...

I Experimental purpose Master the basic principle of dictionary coding, program LZW decoder with C/C++/Python and other languages, and analyze the encoding and decoding algorithm. II Relevant knowledge 1. LZW coding principle and implementation algorithm LZW's coding idea is to constantly extract new strings from the character stream, which ...