The key principle of kubernetes scheduler

kubernetes scheduler has analyzed SchedulerCache, ScheduleAlgorithm, scheduleextender, Framework and other core data structures, as well as the core implementation of optimization, scheduling and preemption processes. This paper is the last chapter of this series, and also a summary of the current stage's learning of scheduling I've updated the ...

Posted by JackSevelle on Tue, 04 Feb 2020 06:02:02 +0100

[vue] learning note 8: vue resource implements get, post and JSON requests

Vue resource plug-in open source address https://github.com/pagekit/vue-resource ps: in addition to Vue resource, the third-party package of axios can also be used to implement data request In the previous study, how to initiate data request? Common data request types? get post jsonp Implementati ...

Posted by SpaceLincoln on Sun, 02 Feb 2020 11:32:20 +0100

DataMatrix identification and location project notes -- DataMatrix generator based on QT+libdmtx-0.7.5

The project of generating DataMatrix based on qt and libdmtx, DataMatrix open source coding and identification Library: github of libdmtx: https://github.com/dmtx/libdmtx; The complete project I wrote in qt is: https://github.com/abcvincent/dmtxMaker; GitHub - > doc contains DataMatrix intern ...

Posted by Dan Coates on Sat, 01 Feb 2020 16:06:54 +0100

Can al builds real-time index (two ways adapter and springboot)

1, Overview and installation of canal 1.1 briefly Can al simulates mysql slave interaction protocol, pretends to be a slave node of mysql and sends dump protocol to mysql master. After receiving the dump request, mysql master starts to push binary log to slave. Can al parses binary log objects, tha ...

Posted by Braet on Sat, 01 Feb 2020 15:15:34 +0100

SheetJS pure front end reading excel js-xlsx.js framework

Article directory introduce Compatibility Usage method Implementation ideas File reference Code examples and details Development attention Generate excel file and download introduce According to the needs of the project, we need to do a pure front-end function to read excel files. After evalua ...

Posted by Skyphoxx on Sat, 01 Feb 2020 10:09:39 +0100

How to refresh Android ListView?

How to refresh Android ListView after adding / deleting dynamic data? #1 building Please ignore all invalid(), invalideviews(), requestLayout(),... Answers to this question. The right approach (and fortunately marked as the right answer) is Call notifyDataSetChanged() on Adapter . Troubleshooting If the call to notifyDataSetCh ...

Posted by amiller099 on Sat, 01 Feb 2020 07:58:31 +0100

Python foundation ⑥: classes and objects

1. The concept and structure of class 1) The concept of class Like other languages, classes in python are collections used to describe objects with the same properties and methods. It defines the properties and methods that are common to each object in the collection. An object is an instance of a cla ...

Posted by atzi on Wed, 29 Jan 2020 07:09:07 +0100

Tapermonkey to write video screenshot script of station B

Station B wants to cut some expression packs when watching the video, but it can't find a more convenient way. If the screenshot software is used, there will be a pause mark (╯`) ╯ (┻━┻) ╯ (┻┻┻┻┻) if it doesn't pause the speed of the postgraduate entrance examination and the speed of the software response   The implementation effect is as ...

Posted by guitarist809 on Tue, 28 Jan 2020 17:10:48 +0100

Applet Display All Cities List Interface

Interface Design Reference to wx applet index list component gitbub address: https://github.com/mehaotian/wx-list-index Above: js file: All city information is available in ajax, which I get from the allCity.js file var city = [ { title: "Popular Cities", type: 'hot', item: [ { "name": ...

Posted by velanzia on Mon, 27 Jan 2020 17:05:14 +0100

Implementation of Koch fractal snowflake based on OpenGL

Implementation of Koch fractal snowflake based on OpenGL I took a course in computer graphics this semester. I wanted to study hard, but... I always feel that the teacher's teaching level is limited. I didn't learn anything in a semester. At most, I was familiar with the realization of some effects in ...

Posted by shane85 on Mon, 27 Jan 2020 07:33:42 +0100