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Hi Math,
I'm trying to run pointcloud_to_depthimage from a launchfile and I notice 2 nodes named /pointcloud_to_depthimage.
After some debugging, simply using the command "ros2 run rtabmap_util poin…
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### **14.Longest Common Prefix**
Write a function to find the longest common prefix string amongst an array of strings.
If there is no common prefix, return an empty string "".
Example 1:
In…
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Hi,
I've been using the DDPG implementation on the pyBullet implementation of RaceCar (https://github.com/bulletphysics/bullet3/blob/master/examples/pybullet/gym/pybullet_envs/bullet/racecar.py) af…
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No commits in over a year. Is the MIT team still maintaining this project?
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I have a very strange problem I hope you can help me with. My MIT-Racecar can go forward and backward but it can not turn. Neither the teleop or ros command can make it turn. When I tried to turn the …
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> [14. 最长公共前缀](https://leetcode-cn.com/problems/longest-common-prefix/)
## 题目
编写一个函数来查找字符串数组中的最长公共前缀
如果不存在公共前缀,返回空字符串 `""`
示例1:
```js
输入: ["flower","flow","flight"]
输出: "fl"
```
示…
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### 最长公共前缀
编写一个函数来查找字符串数组中的最长公共前缀。
如果不存在公共前缀,返回空字符串 ""。
示例 1:
```
输入: ["flower","flow","flight"]
输出: "fl"
```
示例 2:
```
输入: ["dog","racecar","car"]
输出: ""
解释: 输入不存在公共前缀。
```
…
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编写一个函数来查找字符串数组中的最长公共前缀。
如果不存在公共前缀,返回空字符串 ''。
示例 1:
```
输入:strs = ["flower","flow","flight"]
输出:"fl"
```
示例 2:
```
输入:strs = ["dog","racecar","car"]
输出:""
解释:输入不存在公共前缀。
```
…
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Hi, again I may just be unfamiliar with hyperfiddle, but for example the problem 27 test is
```
(tests
(__ '(1 2 3 4 5)) :=
(__ "racecar") :=
(__ [:foo :bar :foo]) :=
(__ '(1 1 3 3 1 …
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Hi, This is Roderek over at Weber state university, I am trying to finish a RACECAR project that a previous fellow student started. When trying to get the code form Dropbox, i get a 404. Please help. …