Imitate JQuery to encapsulate ajax functionality

requirement analysis Because sometimes you only need an ajax function to improve performance, you don't want to introduce a larger JQ file and try axios, but get method does not support multi-layer nested json, and the way of receiving back-end post seems to change. Maybe I don't know how to use it. In fact, there is nothing to receive in anot ...

Posted on Wed, 02 Oct 2019 13:57:43 -0700 by 01706

CF--C. Amr and Chemistry -- Bit Operations | | BFS Implicit Graph Search (Queue Clearance Marker Replaces memset)

C. Amr and Chemistry time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Amr loves Chemistry, and specially doing experiments. He is preparing for a new interesting experiment. Amr has n different types of chemicals. Each chemical i h ...

Posted on Wed, 02 Oct 2019 13:36:11 -0700 by VenusJ

Luogu P4147 Yuchan Palace [Thinking]

... Title: Title: Analysis: Code: Title: Portal Title: Given a graph of n mn*mn m, there are two points. Ask what is the maximum area of a rectangle made up of one of them. Analysis: Because n, mn, Mn and m in the title can reach 10001000100010001000, we are required to get the maximum re ...

Posted on Wed, 02 Oct 2019 13:29:19 -0700 by yacahuma

A Simple and Practical PCM Audio Player--The First Note Returning After Several Years of Silence

- Restore content to start The use of PCM audio network streaming is not explained much. A simple class, based on NAudio, a simple assembly class, instantiates the three parameters, in turn, sampling rate, system playback device Index, playback channel, call PlayData method to pass into the PCM audio stream, the stream can be passed in, the d ...

Posted on Wed, 02 Oct 2019 13:25:47 -0700 by CBG

Centos7 Builds cloudera-manager Cluster

0. Preparations Close the firewall # All nodes systemctl stop firewalld systemctl disable firewalld No exchange # All nodes sysctl vm.swappiness=0 Disable large pages # All nodes echo never > /sys/kernel/mm/transparent_hugepage/defrag echo never > /sys/kernel/mm/transparent_hugepage/enabled 1,JDK Unload existing Java rpm -qa | grep jav ...

Posted on Wed, 02 Oct 2019 12:36:08 -0700 by slaterino

Video Learning Notes-System Clock of Wei Dongshan Phase I

I. Analysis of System Clock Structure OM[3], OM[2] external pin ground using crystal oscillator as MPLLin MPLLCON controls P/M/S parameters of MPLL output clock, which directly determines FCLK. The Computational Formula of MPLL CLKDIVN Register Controls Frequency Division of HCLK and PCLK Generated from FCLK Coding Experimental purpose C ...

Posted on Wed, 02 Oct 2019 12:17:15 -0700 by shortysbest

Reverse proxy

Cross-domain: Cross-domain refers to a document or script in one domain attempting to request resources in another domain, which cannot request data based on the protection of the Same-Origin policy. Homology Policy: Same Protocol, Same Port, Same Domain Name Without homology policy, browsers are vulner ...

Posted on Wed, 02 Oct 2019 10:59:39 -0700 by dujed

leedcode No. 13 Roman numeral to integer

subject The Rome numbers contain the following seven characters: I,V,X,L,C,D and M character numerical value I 1 V 5 X 10 L 50 C 100 D 500 M 1000 For example, the number 2 is written II, that is, two parallel 1. Write XII, that is X+II. Write XXVII, that is XX+V+II. Usually, a sma ...

Posted on Wed, 02 Oct 2019 10:33:21 -0700 by Kaitosoto

BCrypt Encryption Verification

Microservice BCrypt Cryptographic Encryption 1 BCrypt cryptographic encryption 1.1 Preface No application can save passwords in plain text, considering security. Password should be encrypted by hashing algorithm. There are many standard algorithms such as SHA. Or MD5, combined with salt, is a good ...

Posted on Wed, 02 Oct 2019 10:23:30 -0700 by sogno

JSP Basic Grammar - Comments on JSP

JSP Basic Grammar 3.3. Notes on JSP Annotations in JSP must be written into JSP's professional annotation symbols. Only the annotation information here will not be translated into java source code, which is more efficient. Any other annotation will be translated into java source code, which is ineff ...

Posted on Wed, 02 Oct 2019 10:21:39 -0700 by timski72