Migrate to the Git warehouse and keep the COMMIT history

Recently, the company requires the migration of the code library from SVN to gitlab, because it has been controlled by SVN before. The easiest way is to export the content of SVN, and then add it to Gitlab. However, if SVN has used for a long time and many Commit, I hope to save the […]

Install multiple versions of GCC under Linux

1. View current Linux version kernel version: Cat /Proc /Version or: Uname -A 2. View of the GCC version     gcc -v or:     gcc –version or: View various versions of the currently installed GCC:     ls /usr/bin/gcc* -l 3. Install multiple versions of GCC For example, the current Linux version is Ubuntu 10.4, GCC […]

Computer Network Chapter 1 Overview Chapter 2 Physical Foundation Questions

The first computer network in the world is (A) The two basic features of A.ARPANET B.Internet C.World Wide Web D.Milnet Internet Internet are (C)A. Chat and browsing newsB. Provide users with connection servicesC. Networking and sharingD. Share various information three -level network refers to (b)A. WAN, Urban Domain Network, LANB. The main network, the regional […]

Core control and floating window SKY

#include “mainwindow.h” #include<QMenuBar>// menu bar #include<QMenu>// menu #include<QAction>// menu item #include<QDebug>// Print #include<QToolBar>// Toolbar #include<QPushButton>// button #include<QStatusBar>// status bar #include<QLabel>// label #include<QTextEdit> #include<QDockWidget> MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) { // menu bar 1 QMenuBar *mBar = menuBar(); // Add menu 2 QMenu *pFile = mBar->addMenu(“File”); // Add menu items, add action 3 QAction *pNew = pFile->addAction(“New”);// […]

Fangtianxia website second -hand housing crawler, data cleaning and visualization (Python)

Fangtianxia website second -hand housing crawler, data cleaning and visualization (Python) ### The data that has been crawling is stored in MangoDB, you need to download MangoDB by yourself import requests, json, threading from bs4 import BeautifulSoup import numpy as np import re from tqdm import trange from pymongo import MongoClient as Client city = […]

NOWCODER19153 Unlimited Gloves

Click to jump first write the generating function of each item: ∑ k = 0 ∞ ( a k 2 + b k + 1 ) x k = a ∑ k = 0 ∞ k 2 x k + b ∑ k = 0 ∞ k x k + ∑ k = 0 ∞ […]

Image loading control Glide use

Glide is a BUMPTECH release and is loaded by the picture recommended by Google. The project address ishttps://github.com/bumptech/glide, this article does not analyze the memory occupation and performance of GLIDE, but only introduces the basic usage of GLIDE. Import library compile ‘com.github.bumptech.glide:glide:3.7.0’ compile ‘com.android.support:support-v4:19.1.0’ Basic operation Glide.with(context) // The life cycle of Activity or Fragment […]

js -front -end face recognition framework Tracking and jQueryFaceDeTech

Technical features TRACKING.JS is a framework packaged using JS. It requires a lot of things to use to use, which is slightly complicated. jQueryFaceDetection is a framework encapsulated with jQuery, leaving only one interface, which is more convenient. Instructions for use How to download the js file, I wo n’t say it anymore, you can […]

Spring-Inject value ARO

beans.xml: <? Xml version = “1.0” encoding = “UTF-8”?> <beans xmlns = “http://www.springframework.org/schema/beans” ” xmlns: xsi = “http://www.w3.org/2001/xmlschema-nstance” xmlns: context = “http://www.springframework.org/schema/context” xmlns: tx = “http://www.springframework.org/schema/tx” xsi: schemalocation = “http://www.springframework.org/schema/beans http://www.springframework.org/beans/spring-xis- 2.5.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/Spring- 2.5.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-xsd “>> <bean id = “department” class = “com.collection.department”> <property name = “name” value = “Ministry of Finance”/> <!-Inject […]

[Classic algorithm implementation 46] FFT transformation of any size BMP image and IFFT inverter transformation (C language)

[Classic algorithm implementation 46] FFT transformation of any size BMP image and IFFT inverter transformation (C language) 1. Optimize non – 2 n 2^n 2nsize picture automatically fills in zero before Fourier transformation 2, test: 1280×720 picture FFT and IFFT transformation results 3, test: 3108×1020 picture FFT and IFFT transformation results In the previous article, […]

Postman is too expensive, I decided to use postwoman &#8230;

Click the terminal research and development department above, select “Set as a star label” daily at 10:30 in the morning, technical articles are delivered on time Public account background reply “Learning“, obtain the author’s exclusive secret -made boutique information Author: 人员 者 者 8link: https://www.jianshu.com/p/6770bb8389e7 Introduction Postwoman is an open source postman substitute: Light, you […]

Android about how to cancel static registration, do you know? RockCode

Everyone knows that there are two ways to register the Android broadcast event. One is to register static in the code and the other is static registration written in Manifest. Static registration, how to register dynamically, I believe everyone knows. Have you considered this question, but the user settings do not monitor this broadcast, how […]

Programmer Interview Gold Code-Interview Questions 01.05-One Edit

This question can be transformed into editing distance. The title is limited toInsert, delete, replaceA character, this editing distance is calledLaiwinstein distance, also often encounteredHanming distanceet al. string has three editing operations:Insert a character, delete a character or replace a character. Given two string, write a function to determine whether they only need once(or zero […]

Restricted picture Directory with file execution permissions

Add .htaccess file to restrict access to the directory to enhance the security of the directory Enhanced the security of the website directory is very necessary for the security of the system. If some directory does not want to be open to the outside world, you can add some control files below this directory to […]

java multi-threaded problem-ThreadLocal and InheritableThreadLocal

The content of this article is quoted from “Java Multi -threading Core Technology”, thanks to the author! Intersection Intersection code address: https://github.com/xianzhixianzhixian/thread.git ThreadLocal and InheritablethreadLocal basic usage 1, ThreadLocal and InheritableThreadLocal are to solve each thread binding their own values. Among them, the private data of each thread can be stored. 2. Use the get […]

Purcell UAV | Qingyan Ancient Town High -precision three -dimensional model building project report

Digital tourism is a tourism information service system based on a network environment. Its key technologies include broadband networks and electronic technology, geographical information systems, remote sensing, and national positioning systems. With the development of three -dimensional geographical information systems, three -dimensional virtual reality technology and computer hardware technology, 3D virtual tourism will be an […]


package com.demo1; import java.awt.BorderLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; public class TwoButtons { JFrame frame; JLabel label; public static void main(String[] args) { TwoButtons gui = new TwoButtons(); gui.go(); } public void go(){ frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JButton labelButton = new JButton(“Change Label”); labelButton.addActionListener(new LabelListener()); JButton colorButton = new […]

HTML profile and some commonly used tag n

html is the language of 创 创 ⽹⻚ ⽹⻚. We create ⽹⻚ by creating HTML ⽂ files by making t HTML label labels. HTML represents Super l3 标 标. HTML is a tagmark ⾔, which has a collection of label labels.HTML tags are words contained in spurt nodules, such as. Tags usually appear in pairs, […]