Kaptcha的学习

#include int main() { clock_t start,finish; double duration; start=clock(); //// 需要测试的代码 // finish = clock(); duration = (double)(finish - start) /

比赛链接：https://www.kesci.com/home/competition/5cb80fd312c371002b12355f预选赛题——文本情感分类模型本预选赛要求选手建立文本情感分类模型，选手用训练好的模型对测试集中的文本情感进行预测，判断其情感为「Negative」或者「Positive」。所提交的结果按照指定的评价指标使用在线评测数据进行评测，达到或超过规定的分数线即通过...

package top.lixiaoff.utils;import javax.crypto.Cipher;import javax.crypto.SecretKey;import javax.crypto.SecretKeyFactory;import javax.crypto.spec.DESKeySpec;import java.security.SecureRandom;/...

1.build.grale中添加依赖dependencies { compile group: 'mysql', name: 'mysql-connector-java', version: '8.0.16' implementation 'org.springframework.boot:spring-boot-starter-data-redis' implement...

import {Directive, ElementRef, HostListener, Input, OnInit} from '@angular/core';@Directive({ selector: '[seat-dragger]'})export class SeatmapDraggerDirective implements OnInit { private topSt...