Programmer Think

Set 63: In a given program, the function of function fun is: n × N matrix, according to the given value of M (m < = n), move the values in each row of elements to the right by m positions, and set the left to 0. For example, N=3, m=2, there is the following matrix 1 2 3 4 5 6 7 8 9 The program execution result is 0 0 1 0 0 4 0 0 7 Ple ...

Preface: catalogue abstract class 1. What is an abstract class 2. What data type is an abstract class?  3. How are abstract classes defined?  4. Purpose of abstract classes?  5. Can a subclass of an abstract class be an abstract class?  6. Why must an abstract class have a constructor 7. Abstract method 9. Abstract ...

Hello, I'm Ou K. The May Day holiday is coming. There is plenty of time for welfare (five-day holiday) this year. How do you want to play such a long holiday? Play like this? Still playing like this? In this issue, we will briefly analyze the distribution of popular scenic spots and national travel in China through the sales of ti ...

Software testing handout Edit java files using Notepad 1. Configure java path 1.1 select the computer icon / right-click to select the properties of the drop-down menu/ 1.2 select the advanced system Settings link 1.3 select the environment variable button in the system properties window 1.4 select the "classpath" path in the s ...

preface xml messages need to be parsed in project tasks. So I began to learn relevant knowledge. After checking many blog posts, I found a good one, which is very practical. Reprint source: Java Development Notes (109) definition and parsing of XML message The following is the reproduced text, with slight deletion text Although json st ...

Original author: Hollis Character stream, byte stream Bytes and characters Bit is the smallest binary unit and is the operating part of the computer. Value 0 or 1 Byte (byte) is the smallest unit of computer operation data, which is composed of 8 bit s. The value (- 128-127) Char (character) is the smallest readable and writable unit of th ...

1. Problem background 1.1 what is front-end recording and playback? As the name suggests, it is to record various operations of users in the web page, and support playback operations at any time. 1.2 why? When it comes to needs, we have to say a classic scenario. Generally, the front end does exception monitoring and error reporting. It wil ...

Encryption function locationThe new yellow book doesn't have shield So, first use frida hook native to see where it isyang God's open source: https://github.com/lasting-ya...Check the log in libxyass In so, note that this so is encrypted and needs to be repaired firstdump libxyass.soThe above reference article uses ida + dynamic debugging and r ...

catalogue 1, Brief description of route filtering: 2, Distribution list filtering configuration: ——- (1) use ACL to match route entries (used by OSPF process) ——- (2) use prefix list to match routing entries (used by OSPF process) ——- (3) OSPF process + interface usage ——- (4) Note: 3, Modi ...

Reference documents: https://v3.cn.vuejs.org/api/global-api.html#createapp If you are using a CDN build, the global API can be accessed through the global object Vue, for example: const { createApp, h, nextTick } = Vue If you use ES modules, they can be imported directly: import { createApp, h, nextTick } from 'vue' Global functio ...