Programmer Group

Design composite components Preface Why do you ask me to blog? Because Alaska loves to write bugs!!! WeChat public number: love to write bugger's Alaska If there are any questions or suggestions, please go to the public address to share with us how to write bugger! Book continued above -- component part II of rea ...

Example https://github.com/scwuaptx/HITCON-Training/tree/master/LAB/lab6   #include <stdio.h> #include <stdlib.h> #include <unistd.h> int count = 1337 ; int main(){ if(count != 1337) exit(1); count++; char buf[40]; setvbuf(stdout,0,2,0); puts("Try your ...

Tendermint Due to work reasons, I began to contact Hyperledger Fabric two years ago, and its community is still very active. It has developed from v0.7 in that year to v2.0 now. But I have to say that Fabric's consideration is still very big, which is difficult for secondary development. So recently, ...

Reuse class There are two ways to reuse code: Combination: only the objects of the existing class need to be generated in the new class. The new class is composed of the objects of the existing class, that is, the object reference can be placed in the new class Inheritance: create a new class acc ...

Write before Code description: Code download address: https://github.com/WuNianLuoMeng/CodingVideo Description: The first time you record a video in this form, if there is anything wrong, please also point out in time, thank you~~ Finding in a two-dimensional array Method 1: By traversing the arra ...

1. First of all, we need: A suitable size of BitSet to save data Several different hash functions customize different hash functions through random seed seed The method of adding element to digit group (Bloom filter) implements add method A method implementation that determines ...

1 Topic Leetcode Question 18 Given an array and a target, find out that the sum of the four numbers in the array is all four unreplicated numbers of the target. 2 Violence List<List<Integer>> result = new ArrayList<>(); if (nums.length == 4 && nums[0] + nums[1] + nums[2] + nums[3] == target) result.add(Arrays.asLi ...

1 topic The sixteenth question of leetcode , given an array and a target number, find out three numbers in the array. The sum of these three numbers should be closest to the target number. 2 violence As a rule, the first O(n3) violence: int temp = nums[0]+nums[1]+nums[2]; for(int i=0;i<nums.lengt ...

# -*- coding: utf-8 -*- from collections import Counter from linear_algebra import sum_of_squares, dot import math import matplotlib.pyplot as plt from pylab import mpl mpl.rcParams['font.sans-serif'] = ['SimHei'] num_friends = [100,49,41,40,25,21,21,19,19,18,18,16,15,15,15,15,14,14,13,13,13,13,12,12,11,10,10,10,10,10,10,10,10,10 ...

There are a lot of content, please be patient! Recently, the company had this business demand, and I happened to complete it: First, you want to connect, first you need a public number, and then you develop the document. https://developers.weixin.qq.com/doc/offiaccount/Getting_Started/Overview.html But please pay attention to this   ok, let's c ...