Java Socket: Network Socket for Pigeon Biography

In ancient times, due to the inconvenience of communication, some smart people made use of the advantages of pigeons flying faster and recognizing directions to domesticate them for the transmission of messages - also known as "pigeon biography".In Java, a network Socket plays the same role. A Socket is an abstraction layer through ...

Posted on Mon, 19 Aug 2019 18:42:11 -0700 by CrazeD

Initial understanding of jQuery and use of common API s

Target of this note Can tell what jQuery is Ability to tell the advantages of jQuery Can tell the difference between a JQuery object and a DOM object Ability to use common jQuery API s such as jQuery selectors, filter selectors, and jQuery filteri ...

Posted on Mon, 19 Aug 2019 18:23:01 -0700 by jorley

Some Basic Programming Problems of PHP

Preface Some basic programming questions of PHP have been sorted out. Often doing such questions can consolidate their own foundation, exercise their logical thinking ability, and may also be used in written interviews. Among these questions, the author has met in the written examination. I think the main purpose of this paper is to examine you ...

Posted on Mon, 19 Aug 2019 05:03:23 -0700 by gazever

Write a compiler from scratch: the data structure of the symbol table for semantic analysis

The complete code for the project is C2j-Compiler Preface The files about the symbol table are in the symboltable package. Previously, we constructed a parsing table by completing a LALR(1) finite state automaton and a reduce information, and formally completed the parsing of C language. The next step is to enter the Semantic Analysis secti ...

Posted on Sun, 18 Aug 2019 06:47:49 -0700 by py343

Introduction to iOS Multithread GCD, NSTread and NSOperation

In the development of iOS, we often use multithreading to handle some business. What are the ways to implement multithreading in iOS? NSTread: The smallest, lightest, and more expensive package. GCD (Grand Central Dispatch): Internal efficiency opti ...

Posted on Sun, 18 Aug 2019 02:18:21 -0700 by zfred09

lwIP TCP/IP Protocol Stack Note Six: Memory Management

Catalog 1. Several memory allocation strategies 1.1 Fixed size memory block 1.2 Variable Length Allocation 2. Dynamic Memory Pool (POOL) Preprocessing of 2.1 Memory Pool 2.2 Memory pool initialization 2.2 Memory pool allocation 2.3 Memory ...

Posted on Sat, 17 Aug 2019 20:44:00 -0700 by jaimitoc30

VSCode uses gcc/g++ of MinGW-w64 to write debugger under windows

VSCode uses gcc/g++ of MinGW-w64 to write debugger under windows If you want to reproduce it, please indicate the source: http://blog.csdn.net/itas109 QQ Technical Exchange Group: 129518033 Article Directory VSCode uses gcc/g++ of MinGW-w64 to ...

Posted on Sat, 17 Aug 2019 17:42:17 -0700 by chuspy

1140 1141 1142 1143 Simulated Exercise

1140 Look-and-say Sequence (20 points) Sample Input: 1 8 Sample Output: 1123123111 Note 1 11 12 1121 122111 112213 12221131 1123123111 Implication: Without a change, use a number to record the number of times that have occurred before. Idea: Ma ...

Posted on Sat, 17 Aug 2019 04:31:16 -0700 by iFlex

baseline Mobile Advertising Anti-Fraud Algorithmic Challenge 2019

Preface: Before sharing this baseline, first of all, I would like to thank my friend Rape Flower for some help.Then I will introduce some problems encountered in the recent competition and explain them.If possible, share a baseline of around 94. ...

Posted on Fri, 16 Aug 2019 19:17:03 -0700 by kevbev16

Spring Cloud Gateway's built-in routing predicate factory

[TOC] Built-in routing predicate factory Spring Cloud Gateway has built-in a series of routing predicate factories so that we can flexibly use Gateway for request forwarding in development. Here I tabulate all the routing predicate factories built into Gateway as follows: Routing predicate factory Effect parameter After The request is fo ...

Posted on Fri, 16 Aug 2019 07:13:51 -0700 by gbuck