10 course recommendations on reading and writing
Python reads and writes csv format files. In data analysis, it is often necessary to access data from csv format files and write data to csv files. It is very convenient and trouble-free to directly read the data in the csv file into dict type and DataFrame. The following code takes iris data as an example. The csv file is read as dict code# -*- coding: utf-8 -*- import csv with open('E:/iris.csv') as csvfile: reader = csv.DictReader(csvfile, fieldnames=None) #fieldnames defaults to None. If the csv file being read does not have a header, you need to specify it. list_1 =
1. Detailed explanation of the method of reading and writing csv format files in python
Introduction: This article explains in detail the method of reading and writing csv format files in python
2. Detailed explanation of simple reading and writing of XML
Introduction: It is known that there is an xml file (bookstore.xml) as follows:
3. Java method of reading and writing Cookie records
#Introduction: This article mainly introduces the method of reading and writing cookie records in Java, and analyzes the techniques of reading and writing cookie records in Java with examples. , Friends in need can refer to
4. php file operation reading and writing files
Introduction :php file operation reading and writing files
5. php notes: analysis of regular reading and writing of large files_PHP tutorial
Introduction: PHP Notes: Analysis of regular reading and writing of large files. I have been working on something these days. I am studying how PHP can read files with a large number of lines (about millions of lines). Considering the efficiency issue, I have conducted a simple study. The following summary is the first one. The efficiency issue of the file() function.
Introduction: Detailed explanation of parsing and reading and writing audio file information using PHP (supports WMA and MP3). Copy the code as follows: ?php // AudioExif.class.php // Use PHP to read and write audio file header information // Currently only supports WMA and MP3 formats, and only supports a few commonly used
7. Reading and writing regular large files in php_PHP tutorial
Introduction: PHP has regular large files Reading and writing files. I have been working on something these days. I am studying how PHP can read files with a large number of lines (about millions of lines). Considering the efficiency issue, I have conducted a simple study. The following summary is the first one. The efficiency issue of the file() function.
8. PHP Reading and Writing XML Files_PHP Tutorial
Introduction: PHP reads and writes XML files. PHP can easily generate and read XML files. PHP mainly completes XML reading and writing operations through DOMDocument, DOMElement and DOMNodeList. The following is a brief explanation of how to use these
9. php notes: analysis of regular reading and writing of large files
Introduction: PHP Notes: Analysis of regular reading and writing of large files. I have been working on something these days. I am studying how PHP can read files with a large number of lines (about millions of lines). Considering the efficiency issue, I have conducted a simple study. The following summary is the first one. The efficiency issue of the file() function.
Introduction: Analyzing reading and writing audio using PHP Detailed explanation of file information (supports WMA and MP3). Copy the code as follows: ?php // AudioExif.class.php // Use PHP to read and write audio file header information // Currently only supports WMA and MP3 formats, and only supports a few commonly used
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