大家好:我需要使用RexEx匹配相似的单词。例如,如果我有一个模式,它包含一个像“自主”这样的词,它应该匹配“自主”这个词,而不是匹配“自主”。
示例代码:
void modify(string word)
{
string input = "This island is a colony; however,it is autonomous and " +
"receives no orders from the mother country, autonomy, N.";
string pattern = @",\s" + word + @&
我运行了以下python代码来打开CSV,第一个元素中有一些额外的字符,当我在文本编辑器中查看CSV时,这些字符是不存在的,比如Notepad++。
priorities_file = open('priorities.txt', 'r')
print('Name of the file: ', priorities_file.name)
p = priorities_file.readlines()
print('Read Line: %s' % (p))
输出如下所示:
Name of the file: prioriti
我在试着把自主实验室的AR无人机ROS包。当我运行catkin_make时,我得到这个错误:
CMake Error at /opt/ros/groovy/share/catkin/cmake/catkinConfig.cmake:72 (find_package):
Could not find a configuration file for package libsdl-dev.
Set libsdl-dev_DIR to the directory containing a CMake configuration file
for libsdl-dev. The file will
我想安装bebop_autonomy()。为此,我在一个虚拟盒子中使用了ubuntu 14.04。我用ROS - indigo - with包安装了ros indigo。我阅读了所有的教程,但在最后的命令行中我遇到了一个问题。
*[build] Found '5' packages in 0.0 seconds.
[build] Package table is up to date.
Starting >>
我有一个扩展名为xml的启动文件,我想要获取参数的值。此启动文件名为ardrone.launch
<!-- This is a sample lanuch file, please change it based on your needs -->
<launch>
<node name="ardrone_driver" pkg="ardrone_autonomy" type="ardrone_driver" output="screen" clear_params="true"
所以我正在尝试建造一个可以自动驾驶的机器人。为此,我需要机器人向前行驶,同时检查距离。如果距离小于首选距离,则停止向前移动。到目前为止,我已经在下面编写了这段代码,但它似乎不会同时运行,它们也不会交互。我如何才能使这两个功能真正相互作用。如果需要更多的信息,我很乐意为您提供。谢谢!
from multiprocessing import Process
from TestS import distance
import Robot
import time
constant1 = True
min_distance = 15
def forward():
global constan
我有两个对象
public class Parent {
int id;
String name;
int Set<Child> children;
}
public class Child {
int id;
String name;
int parentId;
}
使用以下映射文件
<hibernate-mapping>
<class name="Parent" table="parent">
<id column="id" a