记忆方法:韵母表+图形+最常用字 韵母表:双拼的基础 图形:帮助新手快速联想回忆 最常用字:快速打字基础 一、单韵母——(紫色方块) 一一对应如下表: 单韵母 a o e i u、ü A O...云 图形速解: 逆向写“十” an 为“横”起点 en 与an 对称且为“横”终点 in 为“竖”起点 un 与in 对称且为“竖“终点 四、后鼻韵母——直线型(橙色方块) 后鼻韵母 ang...eng ing ong 键位 H G K S 最常用字 航 更 king 宋 五、其他组合音节——(玫红色下划线) 组合音节 uan iang、uang ia、ua iao ian 键位 R L
一、前言 学习五笔,记字根拆字太难,九宫格切换到全键盘人觉得打字不够快?我将在这里介绍一种输入方式叫:双拼,它是全拼的进化版,搭配九键使用打字效率大增,兼具五笔和全拼的小优点,做到两个字母打一个字。...二、中文打字思维 音:基于发音,拆解声母韵母成一个个键位(字母),拼音、注音输入法的思维; 形:基于字形,拆解结构笔画成一个个字根(笔画),笔画、五笔输入法的思维。...得益于我国九年制义务教育的全面普及,我们从小就开始学习拼音,因此从“音”入手学打字对我们来说几乎是零门槛无障碍的,只要能用普通话说出那个字,那么就能通过全屏输入打出那个字,因此很多人都使用的是拼音(全拼...双拼在唱片输入和快速打字方面都有优势。更重要的是比五笔易学,沿用了我们原本全拼从“音”入手的打字思维,完全没有学习五笔拆字的痛苦。一脉相承地,你知道发音就能打出字,而且只需要拆解成两个键位。...举例: 啊 a=aa 一个字母的无声母 = 重复 安 an=an 二个字母的无声母 = 自身 昂 ang=ah 三个字母的无声母 = 首字母+双拼韵母对应按键 五、个人心得 百度上已经有很多现成的如何启用双拼输入的教程了
backup ##umount -l解释 -l, --lazy detach the filesystem now, and cleanup all later 2、测试df -h,
target_link_libraries(move ${catkin_LIBRARIES}) add_dependencies(move turtlesim_gencpp) 程序参考: #include "ros/ros.h"...#include "turtlesim/Pose.h" #include "geometry_msgs/Twist.h" #include "math.h" #include ...= atan2((float)(goal_y-curr_y),(float)(goal_x-curr_x)); std::cout << "Curr_ang = " << curr_ang...<< " | ang = " << ang << std::endl; geometry_msgs::Twist t_msg; t_msg.linear.x = 1.0...*(dist); t_msg.angular.z = 4.0*(ang-curr_ang); pub.publish(t_msg); } else
#include // unordered_set #include // bitset #include ...ll; typedef pair Pl; typedef pair P; #include int main() { double A, B, H,...M, ans, tmp, ang1, ang2; cin >> A >> B >> H >> M; ang1 = 6.0 * M; ang2 = 30.0 * H + 0.5 * M;...tmp = (A * A) + (B * B) - (2 * A * B) * cos(abs(ang1 - ang2) * M_PI / 180); ans = sqrt(tmp); cout
首先需要下载已经打包的案例: 需要修改源码使用wget下载到code文件夹: 使用其中的turtlesim包: 需要修改CMakelist和添加move.cpp 1☞move #include "ros/ros.h"...#include "turtlesim/Pose.h" #include "geometry_msgs/Twist.h" #include "math.h" #include ...= atan2((float)(goal_y-curr_y),(float)(goal_x-curr_x)); std::cout << "Curr_ang = " << curr_ang...<< " | ang = " << ang << std::endl; geometry_msgs::Twist t_msg; t_msg.linear.x =...1.0*(dist); t_msg.angular.z = 4.0*(ang-curr_ang); pub.publish(t_msg); } else
vect.h: // vect.h -- Vector class with <<, mode state #ifndef VECTOR_H_ #define VECTOR_H_ #include <iostream...vect.h: // vect.h -- Vector class with <<, mode state #ifndef VECTOR_H_ #define VECTOR_H_ #include <iostream...mytime3.h: // mytime3.h -- Time class with friends #ifndef MYTIME3_H_ #define MYTIME3_H_ #include <iostream...stonewt.h: // stonewt.h -- definition for the Stonewt class #ifndef STONEWT_H_ #define STONEWT_H_ #include...stonewt.h: // stonewt.h -- definition for the Stonewt class #ifndef STONEWT_H_ #define STONEWT_H_ class
tutorials/move.cpp #include "ros/ros.h" #include "turtlesim/Pose.h" #include "geometry_msgs/Twist.h"...#include "math.h" #include ros::Subscriber sub; ros::Publisher pub; float goal_x = 2; float...ang = 0.617518 Distance = 0.0768352 Curr_ang = 0.617521 | ang = 0.617522 Distance = 0.0756069 Curr_ang...Curr_ang = 0.617521 | ang = 0.617512 Distance = 0.0720351 Curr_ang = 0.617521 | ang = 0.617528 Distance...ang = 0.617515 Distance = 0.0664527 Curr_ang = 0.617521 | ang = 0.617517 Distance = 0.0653911 Curr_ang
200.0); goal_y=5.5+2.0*cos(curve_k*curve_t/200.0)*sin(curve_t/200.0); 如上这段代码,需要插入到: #include "ros/ros.h"...#include "turtlesim/Pose.h" #include "geometry_msgs/Twist.h" #include "math.h" #include ...= atan2((float)(goal_y-curr_y),(float)(goal_x-curr_x)); std::cout << "Curr_ang = " << curr_ang...<< " | ang = " << ang << std::endl; geometry_msgs::Twist t_msg; t_msg.linear.x =...1.0*(dist); t_msg.angular.z = 4.0*(ang-curr_ang); pub.publish(t_msg); } else
愿意花时间所有linux案例都能移植到win10/11,主要是时间太紧张了……无奈,有时候也没必要移植。..._pose.x - tanklist[i].tank_pose.x) , 2) + pow((tank1_pose.y - tanklist[i].tank_pose.y), 2)) ang... 3.14): ang = ang / math.pi if (tanklist[i].state == 1):...= math.atan2(parPose.y - tanklist[i].tank_pose.y, parPose.x - tanklist[i].tank_pose.x) ang... 3.14): ang = ang / (2*math.pi) if(diff
7 : w; // 填充shape外侧点高度 float h2 = h * 2 / 3; double length = Math.pow(Math.pow(w, 2) + Math.pow...((h), 2), 0.5); double length2 = Math.pow(Math.pow(w, 2) + Math.pow((h2), 2), 0.5); double ang1..._1 = Math.atan((endY - startY) / (endX - startX)); double ang1_2 = Math.atan(h / w); double angle1..._1 = ang1_1 + ang1_2; double angle1_2 = ang1_1 - ang1_2; double ang2_2 = Math.atan(h2 / w);...double angle2_1 = ang1_1 + ang2_2; double angle2_2 = ang1_1 - ang2_2; if (endX > startX) {
基于npm打包h5项目 1、首先需要安装node.js和淘宝的cnpm 2、安装jenkins 3、打包配置步骤 基于参数的打包脚本: rm -rf {JENKINS_HOME}/jobs/{JOB_NAME.../h5Test.tar.gz cd /usr/local/jenkins/jenkinsData/workspace/h5Test npm install npm run build cd /usr/local.../jenkins/jenkinsData/jobs/h5Test tar -zcvf h5Test.tar.gz -C /usr/local/jenkins/jenkinsData/workspace.../h5Test/dist . mv /usr/local/jenkins/jenkinsData/jobs/h5Test/h5Test.tar.gz /usr/local/jenkins/jenkinsData.../workspace/h5Test/build 苹果系统搭建步骤: 原文地址:https://segmentfault.com/a/1190000010154974 1.
最近,查看磁盘空间时,执行 df -h 时,命令 hang 住了,一直没有反应!...backup ##umount -l解释 -l, --lazy detach the filesystem now, and cleanup all later 测试df -h,
在linux 平台做FFMPEG视频编码的程序时,程序运行时提示错误:[h264_nvenc @ 0x2018080] Cannot load libcuda.so.1 。...要解决 [h264_nvenc @ 0x2018080] Cannot load libcuda.so.1 这个问题,并不是要安装cuda,而是需要安装解码库。...以H264编解码为例,我们需要先安装X264库: (1)下载X264 : git clone http://git.videolan.org/git/x264.git (2)安装X264: sudo .
一、h5ai介绍1.1 h5ai简介h5ai 是用于 HTTP Web 服务器的现代文件索引器,专注于您的文件。目录以吸引人的方式显示,浏览它们通过不同的视图、面包屑和树概述得到增强。...三、检查本地环境3.1 检查本地操作系统版本检查本地操作系统版本[root@jeven ~]# cat /etc/redhat-releaseCentOS Linux release 7.6.1810...epel/x86_64 Extra Packages for Enterprise Linux...下载h5ai软件包创建下载目录mkdir -p /data/h5ai/ && cd /data/h5ai/下载h5ai软件包wget --no-check-certificate https://release.larsjung.de.../h5ai/h5ai-0.30.0.zip 图片6.2 解压h5ai软件包解压h5ai软件包unzip h5ai-0.30.0.zip图片6.3 复制目录将_h5ai目录复制到/var/www/html
#include #define LL long long using namespace std; const int MAXN = 1e5 + 10; inline...rhs.y, rhs.x); } double len() { return sqr(x) + sqr(y); } void rotate(double ang...) { double l = len(), px = x, py = y; x = px * cos(ang) - py * sin(ang); y =...px * sin(ang) + py * cos(ang); } }p[MAXN]; double check() { Point n1 = {0, 0}, n2 = {0, 0};
以下是ROS机器人turtlesim的开环控制代码: #include #include int main(int argc, char...turtlelist[i].turtle_pose.x) , 2) + pow((turtle1_pose.y - turtlelist[i].turtle_pose.y), 2)) ang...turtle1_pose.x - turtlelist[i].turtle_pose.x) - turtlelist[i].turtle_pose.theta if(ang... 3.14): ang = ang / math.pi if (turtlelist[i].state == 1):... 3.14): ang = ang / (2*math.pi) if(diff
1.2 适用范围表1-1: 适用产品列表产品名称:D1-H内核版本: Linux-5.4驱动文件:leds-sunxi.c1.3 相关人员LEDC 驱动和应用开发人员。...其代码路径为:tina/lichee/linux5.4/drivers/leds/led-core.c:为led子系统的核心文件。...leds-sunxi.h:定义全志LEDC驱动数据结构。...-5.4/arch/riscv/boot/dts/sunxi/sun20iw1p1.dtsitina/device/config/chips/d1-h/configs/nezha/linux/board.dtsledc...完整全志D1-H Tina Linux LEDC开发指南请到一牛网论坛下载https://bbs.16rd.com/thread-598793-1-1.html
') # 声明成员只允许这么多,不能动态添加,当生成大量实例时,可以减少内存占用 def __init__(self, x, y, ang_speed): self.x...= x self.y = y self.ang_speed = ang_speed class ParticleSimulator: def __init...运行耗时测试 linux time 命令 def benchmark(): particles = [Particle(uniform(-1.0, 1.0),...simulator) simulator.evolve(0.1) if __name__ == '__main__': benchmark() 生成100个实例,模拟 0.1 秒 在 linux...pytest test_simul.py::test_evolve =================== test session starts ====================platform linux
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