Test 2 for NOIP- Result for Day2

worry After this summer vacation, we will go to NOIP. There are also 20 tests in 55 days of summer vacation. Just in case I write a summary for every test I play. . Don't talk about death. T1 is what I don't really understand. The exam is three months away. Day2 (30/300) T1 Permut(0/100) Title Description Find out how many inverse ...

Posted on Mon, 24 Dec 2018 11:03:06 -0800 by Saethyr

oracle 10g rac modifies public ip, vip and private ip

oracle 10g rac modifies public ip, vip and private ip[TOC]1.IP Address PlanningHostnameCurrent IPModified IPPublic IPnode1192.168.56.20192.168.100.20Public IPnode2192.168.56.21192.168.100.21VIPnode1-vip192.168.56.98192.168.100.98VIPnode2-vip192.168.56.99192.168.100.99Private IPnode1-priv10.1.1.110.10.10.1Private IPnode1-priv10.1.1.210.10.10.22. ...

Posted on Sun, 23 Dec 2018 10:54:06 -0800 by perry789

Reading Notes in iOS Drawing Practical UIKit Solutions (4) - Masks, Blurs and Animations

Masks, blurs and animations will add a lot to our APP. Now let's get to know it. Drawing Images with Blocks Using the following tool functions, you can simplify the process of creating an image. typedef void(^DrawingStateBlock)(); UIImage * DrawIntoImage(CGSize size, DrawingStateBlock block) { UIGraphicsBegin ...

Posted on Sun, 23 Dec 2018 01:18:06 -0800 by vbzoom.com

Java Network Programming Series (II) Java io and Java Nio, Aio

As the basic knowledge of java, input and output (I/O) in Java is well known to every developer. In normal development, most of them do some file or data processing through API of input and output streams. No further research has been done on I/O. In this paper, we will give a comprehensive explanation of the evolution of IO. (1) What is tradit ...

Posted on Sat, 22 Dec 2018 17:30:06 -0800 by loweauto

Spring Cloud Edition - Film Ticketing System < Eight > Using Spring Sleuth to Realize Microservice Tracking

GitHub address: https://github.com/leebingbin/SpringCloud.MovieTicketing   1. Why Microservice Tracking is Implemented There are many ways to monitor micro-services, such as using Spring Boot Actuator to monitor micro-service instances, and using Hystrix to monitor Hystrix Command. When it comes to microservice tracking, we have to mention ...

Posted on Fri, 21 Dec 2018 13:03:05 -0800 by SirEddie

Modify Linux SSH connection port and disable IP, install DDoS deflate

Testing system: centos7 Modify the connection port Modify configuration files vi /etc/ssh/sshd_config Remove port 22 comments and add a new port configuration port your_port_num Custom port selection is recommended for 10,000-bit ports (e.g. between 10,000 and 65,535) Do not delete port 22 directly to avoid forgetting that the new SSH por ...

Posted on Fri, 21 Dec 2018 10:24:05 -0800 by minds_gifts

Common tools used in development - obtaining unique identification of devices, UDID, UUID, keychain, saving UUID, judging network type, etc.

UDID Full name: Unique Device Identifie Description: UDID, the device unique identifier, is the unique number of each iOS device except the serial number. UDID is only device-related. It is used to distinguish each unique iOS device (including the iPhone, the iPad, etc.) and consists of 40 characters of letters and numbers. Functi ...

Posted on Thu, 20 Dec 2018 09:21:05 -0800 by sfarid

[Linux Learning Notes] 41: CentOS 6.9 (Basic Server) Distribution Network and ssh/rsh Learning

Record the experiment of computer system structure course. To configure Using bridging mode, you can quickly connect to the host ping, but do not check the connection to replicate the host. /etc/sysconfig/network-scripts/ifcfg-eth0 ONBOOT is changed to yes; BOOTPROTO is changed to use static ip, and IPADDR specifies that it ...

Posted on Thu, 20 Dec 2018 03:18:05 -0800 by agret

The process of tossing the hot spots of Realtek rtl8811au hostap WiFi

cause WiFi Internet access is often disturbed by too many hotspots attached to the company, because at present only 2.4G interference is serious and 5G band is not so crowded. To avoid congestion, we decided to build a 5G WiFi hotspot. rtl8811au is an IC that can work in 80211AC mode. System Environment Description My syst ...

Posted on Thu, 20 Dec 2018 00:27:05 -0800 by saf

centos7 L2TP/IPSEC vpn Construction

centos7 L2TP/IPSEC vpn Construction The company's original server was pptp+freeaduis. Later, because the Apple updating system IOS can not access the PPTP mode server, so I studied the L2TP/IPSEC VPN, and found a lot of information and finally succeeded. Record it and keep it for your own reference. centos7 L2TPIPSEC vpn Cons ...

Posted on Wed, 19 Dec 2018 21:00:05 -0800 by mjh513