• Historical data – stock tools


    Historical data – stock tool, which shares a m-fee stock historical data download tool. It is an online tool. The test can download the historical data of all a shares, Hong Kong stocks and US stocks. Excel is more convenient Download in two steps: Fill in stock code and email Receive the stock market historical […]

  • Oeasy teaches you to play VIM – 50 – # command line efficiency


    Command line efficiency Recall the last lesson summary Last time we studied the execution method of range command Batch control indent :20,40> Batch execution of commands in normal mode :4,10normal A; Switch directly toFull screen command mode ex-mode Q Execute external commands !javac oeasy.java This way is really cool! stayviDid everything! Can command mode itself […]

  • [git] the idea git branch returns the specified historical version


    The idea git branch rolls back the specified historical version

  • Clickhouse visual DBM (incubator) release 1.3.0-snapshot


    UI Add logo to menu Replace the code editor with Vue codemirror Add publishing schedule to index Upgrade Vue default version (2.5.10 – > 2.15.3 +) and electron Display of optimization process monitoring chart Enhancement Support to build data source selection protocol Optimization software icon (circle) Support query history paging Support text query and select […]

  • Oeasy teaches you to play VIM – 77 – # keep the environment viminfo


    Reserved environment viminfo Recall the details of key combination mapping Last time we definedsession :mks You can also load sessionssession :source Session.vim vim -S Session.vim Basically established:mksessionCan replace:mkview Who knows, another one came outviminfo?!😨 These two brothers have become a useful supplement? What happened? Go straight to the subject :h viminfo Good guy, there are […]

  • History API of HTML5 learning notes


    1、 Opening analysis Well, without much nonsense, let’s go directly to today’s topic. Today we mainly talk about “history API” and its role in single page application, and will introduce a practical example as a prototype example. Let’s take a look at “history API”: In order to improve the response speed of web pages, more […]

  • Flowable process engine (I): getting started


    1、 Introduction to flowable 1. What is a flowable Flowable is a lightweight business process engine written in Java. The flowable process engine can be used to deploy BPMN 2.0 process definitions (the industry XML standard for defining processes), create process instances of these process definitions, query, access running or historical process instances and related […]

  • Wechat applet realizes history search function (H5 similarly)


    1. Achieve results 2. Implementation principle Store data in storage. wx.setStorageSync(‘search_history’, JSON.stringify(this.data.list)) Take the first 15 items of the array. if (wx.getStorageSync(‘search_history’) ){ this.setData({ list:JSON.parse(wx.getStorageSync(‘search_history’) ).slice(0, 15) }) } And move the data selected each time to the first item of the array. this.data.list.unshift(data); Clear all history. clearHistory() { this.setData({ list:[] }) wx.removeStorageSync(‘search_history’) }, 3. […]

  • Python development, using GUI to write a weather query table software


    The text and pictures of this article come from the network, only for learning and communication, and do not have any commercial purpose. If you have any questions, please contact us in time for handling. The following article is from quick learn Python by Ye Tingyun Novices and Xiaobai who have just come into contact […]

  • Delve into HTML5’s history API


    History is interesting, isn’t it? In previous versions of HTML, we had very limited operations on browsing history. We can use the methods we can use back and forth, but that’s all we can do. However, using the history API of HTML 5, we can better control the browser’s history. For example, we can add […]

  • Linux note sharing 4: Shell Foundation


    1、 Shell overview 1. What is shell Shell is a command-line interpreter. It provides users with an interface system level program that sends a request to the Linux kernel to run the program. Users can use shell to start, suspend, stop and even write some programs Shell is also a powerful programming language, easy to […]

  • Git tool tutorial II


    1.3 time shuttle – version fallback   Version fallback is divided into two steps: Steps: 1. Check the version and determine the time point to return to Instruction:             git log             git log –pretty=oneline 2. Fallback operation Instruction: Git reset — hard version number Note: after returning to […]