TransBigData is a Python package developed for traffic spatiotemporal big data processing, analysis, and visualization. This article will use it to implement personal mobile phone positioning analysis But in fact, traffic spatio-temporal big data is not limited to the data generated by transportation vehicles. A large amount of data is also generated in our daily […]
Tag: wan
What should I do if I don’t want to use PVE anymore? Then migrate to VMware!
Total text: 1111 words and 20 pictures, estimated reading time: 1 minute Many friends have the same feeling as me after using PVE(PVE8.0-2 Installation and Use Quick Guide) It’s just a bit awkward, and I want to change to a virtualization software, such as VMware ESXi. How should I do it? As we said before, […]
[MySQL] Do you want to know what a database is? Come in and take a look if you think about it
What is a database Preface Officially begin connect mysql Understand mysql first level understanding second level understanding third level understanding piece of cake Meet the pigs running show databases; create database xxx; create table xxx; Mainstream database mysql architecture Types of SQL statements storage engine Foreword Do you have MySQL on hand? It’s best if […]
Wanke Cloud (3rd generation of Qianqianbao) flashes Armbian 6.1.9 system and installs Docker+CasaOS+Qinglong+Home Assistant
Wanke Cloud (3rd Generation Money Making Treasure) flashes Armbian 6.1.9 system and installs Docker + CasaOS + Qinglong + Home Assistant Article directory Wanke Cloud (3rd Generation of Money Making Treasure) flashes Armbian 6.1.9 system and installs Docker + CasaOS + Qinglong + Home Assistant 1. Preparation work 2. Bottom package burning (1).Software installation (2). […]
[Notes] Ruoyi: Use sqlite3 to do whatever you want
“Ruoyi” is an open source project that I feel is standard among outsourcing companies and is used by all of them. The README feels like a little tidbit by an Alibaba employee after work. For SprintBoot, I personally feel that it is too heavy-duty, but people have developed an ecology, so it is not so […]
Visual Studio uses Git to ignore files you don’t want to upload to the remote repository
Foreword As a .NET developer, with the support of the most powerful IDE in the universe: Visual Studio, our development efficiency has been better improved. We don’t need to worry about the configuration of environment variables and other code management tools, because Visual Studio has many expansion tools. Without further ado, let’s get straight to […]
vue3 uses the rich text editor wangEditor 5 to add a custom drop-down box and dynamically change the content of the drop-down box
Write a custom directory title here official information Show results Preparation Install use demo Custom extension function (drop-down box) First, define the menu class Second, register the menu to wangEditor Third, insert the menu into the toolbar final code selectTest.ts editorDemo.vue Official information wangEditor official website Effect display Preparation Just follow the Vue3 Demo operation […]
Mysql row and column transformation “Everything you want is available”
Directory introduce 1. Prepare test data 2. Change one line to multiple lines according to the delimiter 3. Change one column to multiple columns and simply divide the columns into columns 4. One column becomes multiple columns, data pivot 5. Change multiple columns into one column Introduction In interviews and practical problems, we often encounter […]
Selenium – Automate anything you want with this framework!
IntroductiontoChromeDevTools ChromeDevToolsisasetoftoolsbuiltdirectlyintoChromium-basedbrowserssuchasChrome,Opera,andMicrosoftEdgetohelpdevelopersdebugandstudywebsites. WithChromeDevTools,developerscangaindeeperaccesstowebsitesandbeableto: InspectelementsintheDOM EditelementsandCSSonthefly Checkandmonitorwebsiteperformance Simulatetheuser’sgeographiclocation Simulatefaster/slowernetworkspeeds ExecuteanddebugJavaScript Viewconsolelog etc. Selenium4ChromeDevToolsAPI Seleniumisacomprehensivesetoftoolsandlibrariesthatsupportwebbrowserautomation.Selenium4addsnativesupportfortheChromeDevToolsAPI.WiththesenewAPIs,ourtestscannow: Captureandmonitornetworktrafficandperformance Simulatedgeolocationforlocation-awaretesting,localizationandinternationalizationtesting Changedevicemodesandtestyourapp’sresponsiveness Thisisjustthetipoftheiceberg! Selenium4introducesthenewChromiumDriverclass,whichincludestwomethodsforaccessingChromeDevTools:getDevTools()andexecuteCdpCommand(). ThegetDevTools()methodreturnsanewDevToolsobjectthatallowsyoutosendbuilt-inSeleniumcommandsforCDPusingthesend()method.ThesecommandsarewrappermethodsthatmakecallingCDPfunctionsclearerandeasier. TheexecuteCdpCommand()methodalsoallowsyoutoexecuteCDPmethods,butismoreprimitive.InsteadofusingawrappedAPI,itallowsyoutodirectlypassinaChromeDevToolscommandandtheargumentstothatcommand.IfthereisnoSeleniumwrapperAPIforaCDPcommand,oryouwanttocallitdifferentlythantheSeleniumAPI,youcanuseexecuteCdpCommand(). Chromium-baseddriverslikeChromeDriverandEdgeDrivernowinheritfromChromiumDriver,soyoucanaccesstheSeleniumCDPAPIfromthesedriversaswell. Let’sexplorehowyoucanleveragethesenewSelenium4APIstosolvevarioususecases. Emulateddevicemode Mostoftheappswebuildtodayareresponsivetomeettheneedsofendusersfromavarietyofplatforms,devices(e.g.mobile,tablet,wearables,desktop)andscreenorientations. Astesters,wemaywanttoplaceourappsindifferentsizestotriggerresponsivenessintheapp. HowcanweachievethisusingSelenium’snewCDPfunctionality? TheCDPcommandformodifyingdevicemetricsisEmulation.setDeviceMetricsOverride,andthiscommandrequiresinputofwidth,height,mobiledeviceflag,anddevicescalingfactor.Thesefourkeysarerequiredinthisscenario,buttherearesomeoptionalkeys. InourSeleniumtests,wecanusetheDevTools::send()methodandusethebuilt-insetDeviceMetricsOverride()command,butthisSeleniumAPIaccepts12parameters-inadditiontothe4requiredparameters,thereare8optionalonesparameter.Foranyofthese8optionalparametersthatwedon’tneedtosend,wecanpassOptional.empty(). However,tosimplifythisprocessandonlypasstherequiredparameters,IwillusetheoriginalexecuteCdpCommand()methodinthecodebelow. packagecom.devtools; importorg.openqa.selenium.chrome.ChromeDriver; importorg.openqa.selenium.devtools.DevTools; importjava.util.HashMap; importjava.util.Map; publicclassSetDeviceMode{ finalstaticStringPROJECT_PATH=System.getProperty(“user.dir”); publicstaticvoidmain(String[]args){ System.setProperty(“webdriver.chrome.driver”,PROJECT_PATH+”/src/main/resources/chromedriver”); ChromeDriverdriver; driver=newChromeDriver(); DevToolsdevTools=driver.getDevTools(); devTools.createSession(); MapdeviceMetrics=newHashMap() {<!—->{ put(“width”,600); put(“height”,1000); put(“mobile”,true); put(“deviceScaleFactor”,50); }}; driver.executeCdpCommand(“Emulation.setDeviceMetricsOverride”,deviceMetrics); driver.get(“https://www.google.com”); } } Online19,Icreateamapcontainingthekeysrequiredforthiscommand. Thenonline26,IcalltheexecuteCdpCommand()method,passingtwoparameters:thecommandname”Emulation.setDeviceMetricsOverride”,andthedevicemetricsmapcontainingtheparameters. […]
[Data Mining | Data Preprocessing] Missing value processing & duplicate value processing & text processing Are you sure you want to take a look?
?♂? Personal homepage: @AI_magician Homepage address: About the author: CSDN content partner, high-quality creator in the full-stack field. ?Vision: Aiming to grow together with more partners who love computers! ! ? ?♂?Statement: I am currently a sophomore in college, and my research interests include artificial intelligence & hardware (although I haven’t started playing with hardware […]