Use python to analyze funds! Make money to win in the starting line!

You don't manage money, money doesn't care about you! Can python help you with your finances? Effect preview Trend chart of cumulative yield Basic information results How to use: Python 3 + some third-party libraries import requests import pandas import numpy import matplotlib import lxml Configure config.json. Code to configure the fund cod ...

Posted by fingerprn on Fri, 06 Dec 2019 05:31:52 -0800

NPOI Plugin Generates Exported word Document

Because you haven't touched NPOI before, almost all of them are learning while Baidu fumbles. This plugin is very convenient for data import and export of Excel. But for exporting word documents, it can be said that it is very few, Baidu has a lot of.... Also, I don't stop trying the code, so I sorted out some of my own opinions to record the c ...

Posted by mdversion1 on Thu, 05 Dec 2019 16:53:47 -0800

Django upload excel file

Install the module first pip3 install xlrd install xlrd package to parse table data Create the upload folder in the sub application statistics directory, Then go to settings.py To configure UPLOAD_ROOT = os.path.join(BASE_DIR,'upload') When there is an upload file in the form, the picture / form file can be submitted as follow ...

Posted by chris1 on Thu, 05 Dec 2019 08:24:45 -0800

Spire.Cloud.Word Add Word Watermark (Text Watermark, Picture Watermark)

Summary Spire.Cloud.Word provides a watermarksApi interface for adding watermarks, including SetTextWatermark and SetImageWatermark, which are described in more detail in this article.   About Spire.Cloud Spire.Cloud is a cloud-based Office document processing software that supports online creation, editing, saving and printing of Office (W ...

Posted by Yeodan on Thu, 05 Dec 2019 00:50:25 -0800

Mybatis generator generates Service and Controller

Take notes for a long time. In this period of time, when doing government projects, the data entry system is basically imported through excel, and the data volume is large, many of which are also single table entry, so there are many general codes, such as controller,service layer, which can be generated by code, and a database batch adding int ...

Posted by Jin597 on Wed, 04 Dec 2019 13:46:49 -0800

Python 3 crawler practice -- Netease technology rolling news crawling

Background needs At the same time of finishing the task, practice the crawler, and use the Xpath to match the content to be crawled; News interface to be crawled Information to be crawled Implementation code #!/usr/bin/env python # -*- coding: utf-8 -*- # @Time : 2019/3/13 13:08 # @Author : cunyu # @Site : cunyu1943.github.io # @File ...

Posted by Mr Chris on Wed, 04 Dec 2019 08:41:03 -0800

Export excel data from the front end - jsonToExcel

Keke, I haven't blogged for a long time...   In the work, we met the pure front end, and exported the data to excel file. Start of text:   The first step of installation depends on: npm i xlsx Step 2 write the export function: import XLSX from 'xlsx' const exportJsonToExcel = (dataArr) => { const now = new Date() const wopts ...

Posted by Atanu on Mon, 02 Dec 2019 21:08:37 -0800

Java import Excel tool class tutorial

Preface: This tool class provides the excel import function. Through the reflection mechanism, the data in excel is mapped to the entity class to obtain Excel data. The tool class depends on the org.apache.poi package. It supports RESTful API and Spring MVC. I. supporting functions of this tool class: Support File type impo ...

Posted by Forever_xxl on Mon, 02 Dec 2019 19:10:28 -0800

Qt write gas safety management system 22 alarm linkage

I. Preface The alarm linkage function is not a conventional function, but a customized function for customers. For example, when the data collected by the detector is alarmed, it is not only necessary to play the alarm sound locally, store the alarm record, send the alarm message and e-mail, but also to trigger the alarm panel light to alarm. T ...

Posted by corrupshun on Mon, 02 Dec 2019 13:33:51 -0800

The front end realizes the function of Excel import and export

introduce Recently, a function of importing and exporting Excel has been implemented in the project. After looking up some plug-ins, we found the JS xlsx plug-in, so we tried to use it. Here, we will simply record the use methods and problems encountered. Sheetjs JS xlsx is a plug-in that can read and write various forms. The browser supports w ...

Posted by brittny85 on Mon, 02 Dec 2019 11:07:55 -0800