Original article: vertica "error: Too Many Ros containers exist"
Recently I encountered a problem when using vertica. After running vertica for a while, it always encountered the following errors.
java.sql.SQLException: [Vertica][VJDBC](5065) ERROR: Too many ROS containers exist for the following projections:
If you have a problem, you have to talk about the storage mechanism of vertica. By default, vert
I. ubuntu12.04lts installation (LTS = long term support)
1. Allocate GB of unallocated space on the computer (XP: delete logical partition, win7: compression ...)
2. Download Ubuntu system image files, such as: ubuntu-12.04.4-desktop-i386.ios
3. Use ultraiso_9.5.5.2960 to create a boot disk.
4. After the preparation is complete, restart the computer, press F12, and select start from USB disk
5. Follow the prompts step by step.
6. After the installation is complete, you will be prompted to restar
Vertica "ERROR: Too many ROS containers exist", verticacontainers
Original article: Vertica "ERROR: Too many ROS containers exist"
Recently I encountered a problem when using Vertica. After running Vertica for a while, it always encountered the following errors.
java.sql.SQLException: [Vertica][VJDBC](5065) ERROR: Too many ROS containers exist for the following
Ros Data visualization tool Rviz and three-dimensional physics engine robot simulation tool V-rep Morse Gazebo webots Usarsimros OverviewRvizRviz is a ROS data visualization tool that allows boring data like string literals to be displayed in a very visual way, such as two-or three-dimensional images, as follows:In addition, it is also an important human-computer interface, such as a six-legged robot, for e
Ubuntu installation Ros Tutorial 1, configuring Ubuntu software sourceConfiguring Ubuntu requires a software source that accepts restricted, universe, and multiverse, which can be configured according to the following link:Https://help.ubuntu.com/community/Repositories/UbuntuConfigured as shown, these configurations are, in general, default. 2. Add software Source to Sources.listThe code for setting up the software source is as follows:' echo "Deb Htt
Order
I recently because of learning slam and contact Ros Indigo and Kinect, according to the truth, the various data of Ros Indigo should be very rich, but in the Kinect this piece, online methods appear mixed, The author in accordance with the official Ros recommended installation method after installation, delay in accordance with the above statement to get t
Tags: plugin top control Alt tar problem target after initialization complete1. Software Center ConfigurationFirst open the Software and Updates dialog box, open and follow the configuration ( make sure your "restricted", "universe," and "Multiverse." The front is ticked): 2. Add Source$ sudo sh-c ' echo ' Deb Http://packages.ros.org/ros/ubuntu $ (LSB_RELEASE-SC) main ">/etc/apt/sources.list.d/ros-late St.l
Resources:Ros Installation: Ros is a framework and Android a bit like, kernel with Linux. Ros provides a platform for robotics developers to get started quickly,Can quickly build their own applications, using the Ros under the application, do not need to repeat their own program.1. Ros website is very informative.Http:
This article outlines:The problem of environment configuration under the study of ROSReference website:Http://wiki.ros.org/ROS/Tutorials/InstallingandConfiguringROSEnvironment1, first to install Ros2, Managing Your EnvironmentIf you are having trouble using or looking for the Ros package, make sure the environment is properly set up, check the environment variables (environment variables) like Ros_toot and
In this because to summarize write a document, so consult the material, the summary of the contents of the record, welcome to correct me!This article will describe the slam algorithm used in the work of the robotic operating system (ROS) framework. The five 2D laser-based slam algorithms available in Ros are :Hectorslam,gmapping,kartoslam,coreslam and Lagoslam. of course, there are more classic Google ope
Let's do a simple experiment on Ros today, in a typical dozens of-person small company or a few people's home, if you come to how Ros do the most basic internet operation.Knowledge Points:
Ros as a DHCP Server for the intranet.
Ros as the client of PPPoE (the average person rarely uses ADSL access)
1, about RosHttp://www.oschina.net/p/rosROS (Robot Operating System, robotic operating system) provides a range of libraries and tools to help software developers create robotic applications. It provides many functions such as hardware abstraction, device driver, library function, visualization, messaging, and package management. Ros complies with the BSD Open Source license agreement.The development of the ROS
We have already introduced the basic information about ROS and the basic tutorial for getting started with ROS. Now we have to use ROS to enter the robot world. Many of the routines involved in the next step are the content of the book ROS by Example. I bought them from Amazon outside China with a few people in the gro
Originally want to implement to receive a some_topic and then parse the content, if the content for the instruction Action,action function into a for loop, if again receive some_topic, inside the command is stop stop=true stop the action in progress, Jump out of the For loop (you want to control the end of the for loop with an external variable).Similar:Ros::nodehandle N;Ros::subscriber sub = Nh.subscribe (. " Some_topic ", Actioncallback.);...void Ac
In the robotic operating system (ROS), often need to simulate the movement of robots, then first need to create a new robot.The steps to create a simple robot model are as follows:(1) Create a hardware description package(2) Establishment of URDF documents(3) Establish launch command file(4) Effect Demo
Detailed steps are as follows:(1) Create a hardware description package in the workspace, using the following command
Roscreate-pkg smartcar_descript
Reference: Ros Installation method
Why use ROS Indigo and Ubuntu 14.04?
Ros Indigo and Ubuntu 14.04 are all lts (long-term maintenance versions), and Ros Indigo is specifically tailored for ubuntu14.04.
Hydro and Jade are not lts.
First, add apt sourceOfficial source download is very slow, download
Docker-2 learn more about docker, docker-2dockerDockerBasic concepts of images, containers, and warehousesImages
A Docker image is a read-only template.For example, an image can contain a complete CentOS operating system environment where only httpd or other applications are installed.
Images can be used to create
#include "ros/ros.h"//ros Common header filesRos::init (ARGC,ARGV, "move_group_interface_tutorial");//First two parameters are determined, the third parameter is the name of the node, the implementation of the ROS program parameters and command line input matchingRos::nodehandle N;//nodehandle is a major access point for interacting with the
Recently encountered a problem when using Vertica, Vertica after running for a period of time always appear similar to the following error For new files = 10)If you encounter a problem, you have to talk about the Vertica storage mechanism. Vertica writes newly written data to WoS (write optimization) by default, and then writes the data in the WoS to Ros (read-optimized) according to certain conditions (for example, a certain period of time), wh
operating Environment : Ubuntu version 12.04 Ros version: Hydro
First of all, you have to install Ros, (that's what it says.) Its installation methods and tutorials are here. This is the Chinese version, not difficult. If you haven't studied Ros yet, but want to install it quickly, then you'll just look at 1. Install and configure the
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