python implements the underlying data structure

The code involved in this article has been placed in my github - >. link python implements the basic data structure (1) python implements the basic data structure (2) python implements the basic data structure (3) python grammar is more concise, ...

Posted on Sun, 15 Sep 2019 04:47:33 -0700 by BMorganVA

Python Learning Diary os and sys modules

os module 1.os.getcwd() Gets the current working directory, which is the path to the directory where the current python script works import os print(os.getcwd()) #C:\Users\Administrator\PycharmProjects\PYL\temp_file 2.os.chdir() Change the current script working directory; equivalent to cd under shell import os print(os.getc ...

Posted on Sat, 31 Aug 2019 09:52:57 -0700 by dross613

Pytorch implements YOLOv3 training its own dataset

1. Description: Recently, I have been researching PyTorch, which is a framework for in-depth learning. I want to use pytorch to realize the object detection of YOLOv3. During this process, I also read the articles written by my predecessors in various forums, posts, CSDN and so on. Thank you for helpi ...

Posted on Wed, 31 Jul 2019 18:18:56 -0700 by steveryan

Installation of labelme and batch conversion of json files under Win10 system

Installation of labelme and batch conversion of json files under Win10 systemInstallation environment: windows 10, anaconda3, Python 3.6 Because the framework maskrcnn needs json data set, before installing labelme environment and running in-depth learning, I installed anaconda3, in which pyhton is version 3.7. After searching for informati ...

Posted on Mon, 29 Jul 2019 21:36:36 -0700 by chris_2001

About the loss of the. bansh_profile Profile Profile Profile causing - bansh-4.2# problem

First, describe the process of the problem: carelessly cp a lot of files go to / root / below, go to / root / below to execute ll to find a lot of files, so it's too troublesome for me to find the files I need. So I rm - rf /root / and rm - F / root / will / root / will / root / All the files in the directory were deleted. At that time, it was ...

Posted on Tue, 09 Jul 2019 13:20:35 -0700 by Petran76

CNN Recognizes Handwritten Numbers | Keras of Day 5

Today we are introducing mnist handwritten numeral code trained by CNN/convolutional neural network. Last time we used DNN/actually only two layers (grimace) training results may not be ideal. Today we use CNN+DNN to improve our accuracy. If you haven't read my last DNN article and want to see it, you can click on the link. Handwritten Number ...

Posted on Sat, 25 May 2019 16:57:05 -0700 by thefury

Ubuntu 17.04 Configuration Analysis Platform after Installation

Ubuntu has been installed many times. After each installation, a simple configuration is needed. Once the configuration is completed, the information will be searched again for each installation. This time, Ubuntu 17.04 will be installed to configure a simple R and Python analysis platform for some simple data processing and analysis of bioinfo ...

Posted on Tue, 21 May 2019 17:51:45 -0700 by ta2

awk Quick Start

AWK Quick Start awk introduction awk is an excellent text processing tool and one of the three swordsmen in Linux. Its name comes from the initials of its founders, Alfred Aho, Peter Weinberger and Brain Kernighan. awk has powerful functions, such as style loading, flow control, mathematical operators, process control statements and even bu ...

Posted on Sun, 19 May 2019 14:59:27 -0700 by xwhitchx

Compression and Decompression

Compression and Decompression · Common compression formats:.Zip.gzip.bzip2.tar.gz.tar.bz2 XZ gzip compression tools cannot compress directories, only files gzip source file Compressed file in. gz format, source file will disappear Gzip-c source file > compressed file Compressed to. gz format, source file retained The gzip-r direct ...

Posted on Thu, 16 May 2019 21:32:09 -0700 by dfarrell

Pandas, the Quantitative Tool of Python Finance

Preface"Hand-in-Hand" series will introduce Python beginners to several libraries that are most widely used in quantitative finance: NumPy (array, linear algebra), SciPy (statistics), pandas (time series, data analysis), and matplotlib (visual analysis). It is recommended to install Anaconda software (with the common libraries mention ...

Posted on Sun, 05 May 2019 01:16:37 -0700 by TheoGB