[nodejs crawler] use puppeter to crawl the house price information of chain house

Using puppeter to crawl the house price information of chain house Catalog Using puppeter to crawl the house price information of chain house Page structure Crawler bank pupeteer Library Realization Open the page to be climbed Traverse area level pages Method 1 Me ...

Posted on Sun, 12 Apr 2020 04:51:30 -0700 by _giles_

Shelcode writing framework in Window s (introductory)

Shellcode Definition Is an injectable instruction (opcode) that can be run within an attacked program. Characteristic The shellcode operates directly on registers and functions, so the opcode must be in 16-bit form.Therefore, shellcodes cannot be written in high-level languages.Run in memory, not on a fixed host process. Utilization princi ...

Posted on Thu, 02 Apr 2020 10:27:00 -0700 by suma237

Android Native forbids the use of private library

System private library refers to the Lib library stored under the android system / system/lib / and / vendor/lib, but there is no public API in Android NDK. Starting from Android N (SDK > = 24), opening the system private library through dlopen, or depending on the system private library in the lib library, will generate exceptions, or even ...

Posted on Sun, 08 Mar 2020 19:47:52 -0700 by richardbotw

Getting started with golang [5.2] - how the go language works - memory overview

Preceding text golang quick start [2.1]-go language development environment configuration windows golang quick start [2.2]-go language development environment configuration - macOS golang quick start [2.3]-go language development environment configuration linux Get started with golang [3]-go language helloworld How to compile golang into mach ...

Posted on Wed, 19 Feb 2020 02:02:32 -0800 by keiran420

CH08 polymorphism in Java programming ideas

In object-oriented programming languages, polymorphism is the third basic feature after data abstraction and inheritance. Polymorphism separates the interface from the implementation by separating what to do and how to do it. Encapsulation creates a new data type by combining features and behaviors. Implementation hiding separates the interfac ...

Posted on Tue, 18 Feb 2020 19:57:42 -0800 by Giri J

How the golang Quick Start [5.1]-go language works-linker

Previous golang Quick Start [2.1]-go Language Development Environment Configuration-windows golang Quick Start [2.2]-go Language Development Environment Configuration-macOS golang Quick Start [2.3]-go Language Development Environment Configuration-linux golang Quick Start [3]-go helloworld How the golang Quick Start [4]-go language is compile ...

Posted on Sun, 16 Feb 2020 15:26:32 -0800 by tlchung

MIT_6.828_Lab_3: User Environments Part A

Project address: Lab 3 Environment State In the file inc/env.h, the environment (process) structure is defined: struct Env { struct Trapframe env_tf; // Saved registers struct Env *env_link; // Next free Env envid_t env_id; // Unique environment identifier envid_t env_parent_id; // env_id of th ...

Posted on Thu, 13 Feb 2020 00:41:59 -0800 by mydimension

C ා connect to SQL Server database

Executing SQL statements: Command object 1.Command object overview The    command object is a data command object. Its main function is to send SQL statements of query, update, delete and modify operations to the database. Command objects are mainly in the following ways.   &emsp ...

Posted on Fri, 31 Jan 2020 07:49:13 -0800 by nestorvaldez

POJ-2653-Pick-up sticks

Title Link: http://poj.org/problem?id=2653 Main idea: give n line segments in order, place each line segment in the order of input, and find the number of the last bottom line segment (the number of the top line segment is less than or equal to 1000). Idea: the range of n is 1e5, and the range of m is 1e3. The algorithm of th ...

Posted on Mon, 09 Dec 2019 14:12:24 -0800 by hungryOrb

Hdu-4807-lunch time (dichotomy + fee flow, thinking)

Title Link: http://acm.hdu.edu.cn/showproblem.php?pid=4807 Main idea: n points, m sides, k individuals from point 0 to point n-1. The digraph (not mentioned in the title) has a length of 1 for each side, which has the maximum flow capacity. People's speed is 1. Ask everyone to arrive at n-1. Thought: at the beginning, I thoug ...

Posted on Fri, 29 Nov 2019 22:54:27 -0800 by barry_p