How to implement login and mutual kick in spring security oauth2

Background An account can only be logged in at one place. Similar business requirements are very common in existing post management systems. However, in the original spring security oauth2 token method process (so-called login) can not meet similar needs. Let's first look at TokenEndpoint's method flow The client accesses the / oauth/token int ...

Posted by cliffboss on Wed, 27 May 2020 10:37:55 +0200

setInterval and setTimeout of Canvas drawing raindrops (2)

Thank you for your guidance. In view of the bad nature of setInterval, modify it, implement setInterval with setTimeout, and put it in the move attribute of Rain prototype. Operation result: the screen is in disorder and the browser is stuck.. as a result of: setTimeout and setInterval should not be written in the fu ...

Posted by Hepp on Sun, 24 May 2020 17:37:06 +0200

Binder implementation of Camera

api call Get CameraManager object CameraManager mCameraManager = (CameraManager) context.getSystemService(Context.CAMERA_SERVICE); openCamera mCameraManager.openCamera(cameraId, callback, handler); The openCameraDeviceUserAsync method in CameraManager is called private CameraDevice ...

Posted by kkobashi on Sat, 09 May 2020 17:05:58 +0200

Configuration options of radio swiper -- tips on the front end

This paper mainly introduces the swiper configuration options, including unlimited scrolling, lazy loading, monitoring the current position, page up and down, transition animation gradient, delay loading pictures, automatic rotation, etc; Case diagram: Front end code: Tips: because JQ is the rigid demand of the front end, the demons ...

Posted by gilgimech on Fri, 08 May 2020 18:10:59 +0200

Use JQuery to complete the check box selection

Js related technology checked property How to get all check boxes: document.getElementsByName requirement analysis When we deal with forms, in some cases, we need to deal with forms in batches technical analysis First method: selector [property name = 'property value'] $("input[type='checkbox']:gt(0)").prop("checked",this.check ...

Posted by anthonydamasco on Wed, 06 May 2020 18:02:16 +0200

Android Project Actual Series - Based on the Learned Valley Exercise Module

Please be patient to read this module because of its large content and length. Exercise module is divided into two parts [x] Exercise List Interface [x] Exercise details interface 1. Exercise List Interface 1. Exercise Interface (1) Create exercise interface In the res/layout folder, create a new layout file named main_view_exercises. ...

Posted by sheraz on Tue, 05 May 2020 23:18:23 +0200

Wechat applet -- message board

Wechat small program -- Realization of message board Main function points: The border of rich text can automatically match the screen size; Displays the number of words entered in rich text; Get content in rich text and submit message; Pop up window after submitting message; Corresponding. wxml content be careful: Rich text is displaye ...

Posted by bradles on Tue, 05 May 2020 19:37:53 +0200

Simple data verification using JavaScript

Using JS to complete simple data verification requirement analysis Use JS to complete the simple data verification of the registration page. It is not allowed to leave the user name or password blank technical analysis from form property -- onsubmit must have a return value. If it is true, the submit is successful. If it is false, it cannot be ...

Posted by guayaquil on Tue, 05 May 2020 18:15:24 +0200

Android drawing mechanism and processing skills

1 unit conversion Due to the different screen density, the length of the same pixel size and the length displayed on the screen with different density are different. The following is the conversion formula of each density value, In mdpi, 1dp = 1px, In hdpi, 1dp = 1.5px, In xhdpi, 1dp = 2px, In the xxhdpi, 1dp = 3px ...

Posted by nite4000 on Mon, 04 May 2020 23:57:40 +0200

Using jQuery mobiscrol plug-in to select date, select and treeList

Mobiscrol is a very useful plug-in for mobile terminal sliding selection. It can be used to select dates, simple options or some complex tree structure options. Simple sharing. The dependency is also relatively simple, just introduce a mobiscrol-2.13.2.full.min.js file and a mobiscrol-2.13.2.full.min.css file. Download directly mobiscrol ...

Posted by travelbuff on Mon, 04 May 2020 23:24:12 +0200