offer rotation array

Moving the first elements of an array to the end of an array is called array rotation. Input a rotation of a non decreasing sort array and output the smallest element of the rotated array. For example, if the array {3,4,5,1,2} is a rotation of {1,2,3,4,5}, the minimum value of the array is 1. NOTE: all elements given are greater than 0. If th ...

Posted by aximbigfan on Thu, 09 Jul 2020 18:00:14 +0200

Coexistence of Kotlin and Java, calling kotlin code in -Java

Call of kotlin data class Call of object simple profit mode class in Kotlin Calling file class in Kotlin Flexible transfer of parameters by calling jvm annotation String string null call Call of kotlin data class kotlin Code: package com.tianfu.kotlin /** * age Member annotations cannot have get and ...

Posted by imranlink on Wed, 08 Jul 2020 18:01:49 +0200

MFC+Opencv3 Camera Read+Gray Histogram+Frame Number Comparison

1. Create a dialog-based MFC program under vs. The layout is as follows 2. Initialize Add the following code to the OnInitDialog() function in the C***Dlg class                          CWnd *pWnd1 = GetDlgItem(IDC_PIC1); //Gets the window class that displays the camera picture (parameter is control ID) CWnd *pWnd2 = G ...

Posted by isuckat_php on Wed, 08 Jul 2020 17:26:30 +0200

Summary 1_3: Extension methods and singletons

General Code Outline: Minimum Code, Strongest Framework, Optimal Logic 1. The appearance of an extension method greatly simplifies the amount of code Similar to GetComponent, our custom extension method also adds some necessary logic to it as needed. //Extension Method //Static Class->Static Method->Parameter List First is: this ty ...

Posted by dougp23 on Wed, 08 Jul 2020 17:14:37 +0200

Overview of springMVC's ability to download Excel tables

spring provides encapsulation classes for Excel DownloadsOrg.springframework.web.Servlet.view.document.AbstractExcelView, when implemented, simply implement a class that inherits AbstractExcelView, then override the buildExcelDocument(Map<String, Object> model,HSSFWorkbook workbook, HttpServletRequest request,HttpServletResponse respo ...

Posted by conspi on Wed, 08 Jul 2020 17:02:44 +0200

web front-end project integrates both JSP and FreeMaker_u_Multi-view Parser Configuration

*In 2017, at the request of the company, responsible for research and development of intelligent analysis platform, using OLAP technology to analyze tax data from multiple dimensions, levels and cross-business domains, discover data characteristics, summarize tax laws, and support leadership decision-making. After nearly a year, it was finally ...

Posted by brob on Wed, 08 Jul 2020 16:28:31 +0200

python dota2 data 3 download winner data

python dota2 data 3 download winner data Goal: Download five heroes from each winner or loser for subsequent analysis. Because get_match_history() does not include wins or losses in the return, but also uses get_for each matchMatch_Details() query, less efficient. Use another API to query the contest, get_match_history_by_seq_num(): { ...

Posted by Tea_J on Tue, 07 Jul 2020 18:23:14 +0200

Chapter 7 Data Regulation: Cleanup, Conversion, Merge, Reshaping (4)

Chapter 7 Data Regulation: Cleanup, Conversion, Merge, Reshaping (4) The source of ldata is not given in this chapter and is availableMacrodata.csvTurn out available data. import pandas as pd import numpy as np import datetime ###Time processing later from pandas import Series,DataFrame ###Read inMacrodata.csvfil ...

Posted by quicknik on Tue, 07 Jul 2020 17:44:07 +0200

Chapter 7 Data Regulation: Cleanup, Conversion, Merge, Reshaping (3)

Chapter 7 Data Regulation: Cleanup, Conversion, Merge, Reshaping (3) Merge overlapping data Numpy.where() A vectorized if-else import pandas as pd;import numpy as np from pandas import Series,DataFrame a = Series([np.nan,2.5,np.nan,3.5,4.5,np.nan],index=['f','e','d','c','b','a']) Out[8]: f NaN e 2.5 d ...

Posted by Zeekar on Tue, 07 Jul 2020 17:27:05 +0200

django implements foreground and background data binding by submitting form with ajax+post

The first step is to introduce jquery files, either online or offline, to add to your own staticfiles What's demonstrated here is adding offline <script src={% static 'js/jquery-2.1.1.min.js' %}></script> Note that this sentence is added before the ajax jquery script you write. Then the HTML form is as follows: ...

Posted by TraceyK on Tue, 07 Jul 2020 16:31:40 +0200