MFS (MooseFS Distributed File System)

Author: Zhang Shoufu Time: 2020-05-22 w x: y18163201 MooseFS[MFS] is a fault-tolerant network distributed file system.It distributes data across multiple physical servers and presents users with a unified resource. Official address: http://www.moosefs.com/ Introduction to MFS MooseFS is a fault-tolerant, highly available, high-performance, s ...

Posted on Sun, 24 May 2020 21:12:59 -0400 by m@ndio

NLP 4:Interfacing your NLP to Ipopt process translation

Blog from: https://www.cnblogs.com/lcchuguo/p/5407709.html Brief introduction ipopt is a toolset for solving optimization problems of nonlinear programming, but it can also be used to solve linear programming problems.It provides a c/c++ interface and is easy to use. problem Solve non-linear problems like the following: The Ipopt tool s ...

Posted on Sun, 24 May 2020 19:52:12 -0400 by flight553

Lessons Learn JavaIO: Files Write That

brief introduction The little sister asked F brother a lot of strange requirements. To format the output, to specific code output, to locate the output yourself, what?Need to read and burn?Let's see how Brother F can recruit one by one. Character and byte output Young sister: Brother F, last time you talked about half of IO, file reading is bas ...

Posted on Sun, 24 May 2020 18:57:35 -0400 by tillaart36

RT-Thread Chain List Heap Manager for a Series of Practical Algorithms

The previous section describes the basic concept of stack. This article will talk about how stack works.RT-Thread is so popular in the community that it reads its kernel code, manages the heap, and has clear code design and readability.Therefore, on the one hand, you can understand the RT-Thread kernel implementation, and on the other hand, you ...

Posted on Sun, 24 May 2020 14:03:06 -0400 by pug

Tab Interval Setting Method in TabLayout

TabLayout can be used with ViewPager for a lot of convenience, but there are still lots of places where people spit out TabLayout. Here's just how to set the interval between tab s, find a lot of ways on the web, what padding and margin don't work, there's no way, TabLayout can only do it on its own.The results are as follows: 1. Implemen ...

Posted on Sun, 24 May 2020 12:48:06 -0400 by Firestorm3d

Quick Start for kubernetes - Getting Started with kubernetes to Practice [Getting Started + Advanced]

1. Basic concepts 1.1 Clusters and Nodes kubernetes is an open source container engine management platform that enables automated deployment of containerized applications, task scheduling, resilience, load balancing, etc. cluster is composed of master and node roles Master manages the cluster, master contains kube-apiserver, kube-controller-m ...

Posted on Sun, 24 May 2020 12:24:47 -0400 by wee493

fio storage performance manometry

1. Environmental Instructions: This demo is a dellr620 physical server with centos7.6 x86_64-bitThe hardware-related information is as follows: [root@mysql-redis scripts]# sh hw_msg1.sh +--------------------------------------------------------------+ | This Machine's Hyper-Threading is Enabled(recommend disable) | +--------------------------- ...

Posted on Sun, 24 May 2020 12:20:30 -0400 by tha_mink

Front end lazy loading (easy version)

Front end optimization often optimizes pictures. When there are many pictures on a page, initializing the page and requesting a large number of picture resources will result in poor performance So lazy loading of images is used, Lazy loading refers to requesting pictures only when the conditions are met. It can gradually request to avoid a la ...

Posted on Sun, 24 May 2020 11:46:31 -0400 by nailzfan

How View works draw

1, Overview Compared with the previous measurement, the layout of the picture here is very simple The general steps are as follows: 1. Draw background (canvas) 2. Draw yourself (onDraw) 3. Draw children(dispatchDraw) 4. Ondrawscrollbars The following is the specific code of draw, which is divided into six parts, but the gradient edge is ...

Posted on Sun, 24 May 2020 11:38:03 -0400 by vangelis

Python -- function & procedure

The difference between functional programming and procedural programming: a procedure is a function without a return value. A procedure also has a return value in Python 3, which is None Functions: reuse code, keep code consistent, and make code easier to expand Procedure definition and call: 1 def func2(): 2 """testing2""" # Description o ...

Posted on Sun, 24 May 2020 11:23:27 -0400 by kburger