Java 8-2-Lambda Expressions Actual-Simplified Map Sorting by Value Value Values

In the previous lecture, we focused on some basic knowledge and basic use of expressions. Today, we will take a real fight to simplify the ranking of Map Value values. In the past, our approach is as follows:   /** * * Map Sort by value; * * @param map * @return */ public static <K, V extends Comparable ...

Posted on Tue, 18 Dec 2018 20:18:03 -0800 by qt4u

Using echartsjs to realize bidirectional interaction between scatter plot and table table, and to realize echarts from table data, and to customize echarts prompt content

I have been studying echarts for some time. Today I will share some tips about echarts. Although it looks simple, it is tedious to do, but it is very practical. In a large page, the table table table is on the left and echarts scatter plot is on the right. Requirement 1 implements that all scatters in echarts are taken from the data in the tabl ...

Posted on Mon, 17 Dec 2018 21:12:04 -0800 by obscurr

Canvas&Paint Knowledge Carding (2) - Canvas Preservation and Recovery

I. Signs Relating to Canvas Preservation Before we understand Canvas's preservation, let's first look at the definitions of the tags associated with preservation, which define the type of preservation. These tags are defined in Canvas.java, and there are six tags in total. /** * Restore the current matrix when restore() is called. */ ...

Posted on Mon, 17 Dec 2018 18:33:03 -0800 by riddlejk

iOS on Common Crypto Encryption II (Common Cryptor AES | DES | 3DES | CAST | BlowFish)

In the last part Summary The general content of each file in CommonCrypto is summarized in this paper. Then the concrete use and related content of the first file CommonCryptor are described in detail below. For example code, go to Github CommonCrypto Download. CommonCryptor Apple's official description of Common Cryptor files is a ...

Posted on Mon, 17 Dec 2018 17:21:04 -0800 by TransmogriBenno

You Don't Know JS (C) -- Part I

type value Native Methods Mandatory Type Conversion grammar type 1. JavaScript has seven built-in types: null, undefined, boolean, number, string, object, and symbol, which can be viewed using the typeof operator. 2. Variables are typeless, but they hold typed values. Types define the behavioral characteristics of ...

Posted on Mon, 17 Dec 2018 03:57:05 -0800 by hawleyj

bzoj2253 [2010 Beijing wc] carton stack (CDQ+dp)

Description Factory P is a factory that produces cartons. After manually inputting three parameters n p a, the carton production line can automatically produce three side lengths as follows (a mod P,a^2 mod p,a^3 mod P) (a^4 mod p,a^5 mod p,a^6 mod P) …. (a^(3n-2) mod p,a^(3n-1) mod p,a^(3n) mod p) n cartons. In order to save space, these ...

Posted on Mon, 17 Dec 2018 00:03:04 -0800 by edg322

Taint Controller for Kubernetes Node Controller Source Analysis

> Author: xidianwangtao@gmail.com NewNoExecuteTaintManager In [Creation of Kubernetes Node Controller Source Analysis](), it is mentioned that: When PodInformer adds Event Handler, it adds updateItem to tc.podUpdateQueue by calling taintManager.PodUpdated(oldPod *v1.Pod, newPod *v1.Pod). When NodeInformer adds Event Handler, it adds updateI ...

Posted on Sun, 16 Dec 2018 23:21:04 -0800 by smordue

Logical Judgment in shell Script Structure, date Command, Variable shell Script

Chapter 20 shell Programming 20.1 shell introduction shell is a scripting language You can use the grammar of logical judgment, loops, etc. Customizable functions A shell is a collection of system commands The shell script can realize the automation operation and maintenance, and can greatly increase our operation and maintenance ef ...

Posted on Sun, 16 Dec 2018 16:12:04 -0800 by shantred

Android Notes u RxJava is too hard to understand? Implementation of RxJava mini by callBack

Every time I read RxJava articles, I can't help but talk about the observer mode, which is always confused. Later, when I saw a blog written by a god-man, I realized that the most intuitive code representation of the so-called observer pattern was the OnClickListener of the control. Here is what he said: The observer model of the program is ...

Posted on Sat, 15 Dec 2018 03:42:03 -0800 by mccdave

Immutable & Redux in Angular Way

Immutable & Redux in Angular Way Written in front Angular JS 1.x version as the framework of the previous generation MVVM has achieved great success. Now when it comes to Angular, even if it is completely incompatible with 1.x version of Angular 2.x (the latest version is 4.2.2), people still regard it as a typical MVVM framework. The advan ...

Posted on Sat, 15 Dec 2018 01:45:03 -0800 by expl0it