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About the Knowledgebase category
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0
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506
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July 16, 2019
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How to fix an unresponsive simulation with red square dots in top-left corner
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6
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169
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November 20, 2025
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How to change the card details for your Subscription with recurring payments
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0
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38
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January 13, 2025
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ROS simulation screens are not loading
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6
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757
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December 20, 2023
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How to fix or avoid “bash: [: =: unary operator expected” on Linux
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0
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7533
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November 7, 2023
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Simulation not loading - Waiting for i-01786c45cc2b17b63.robotignitacademy.com
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2
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429
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September 8, 2023
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Proper use of rospy.Rate or ros::Rate
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0
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4236
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July 18, 2019
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How to upload a previous version of your course files to the IDE and examine the contents
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1
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298
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January 25, 2023
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ERROR: cannot launch node of type [topic_publisher/simple_topic_publisher]: can’t locate node [simple_topic_publisher] in package [topic_publisher]
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10
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11994
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December 26, 2022
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License options for Teachers
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0
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3954
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November 25, 2022
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How to reset Jenkins security
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0
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793
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July 27, 2022
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Fix for timeout issues with Object Detection with ROS2 open workshop (26th April 2022)
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0
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511
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April 27, 2022
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Content correction: Live class 64, Multiple robot navigation: Noetic
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1
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351
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April 27, 2022
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Differences between rosrun and roslaunch
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2
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9195
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January 31, 2022
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How to obtain a certificate on The Construct
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5
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26956
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August 4, 2021
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How to find the front position of a LaserScan
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1
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1072
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May 28, 2021
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How to get all topics ready for publishing before anything else!
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1
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576
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April 24, 2021
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How to publish once (only one message) into a topic and get it to work
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2
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16463
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June 11, 2020
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TIP: What to do when ROS package is not found
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0
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2296
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March 22, 2021
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What is rospy.spin(), ros::spin(), ros::spinOnce(), and what are they for?
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0
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22271
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July 18, 2019
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How to reset catkin_ws (ROS catkin workspace) and start afresh
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2
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10820
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November 23, 2020
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IDE not loading (infinite loading)
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9
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2062
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November 3, 2020
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How to stop your robot when ROS is shutting down
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0
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5316
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August 2, 2019
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ROS Publishers - what is queue_size and why is it important?
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0
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17329
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October 18, 2019
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ERROR: cannot launch node of type [package/file.py]: can't locate node [file.py] in package [package]
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3
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10225
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September 3, 2019
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Python classes - Tips on class variables, class methods, and the "self" argument
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1
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896
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August 14, 2019
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How to download package files
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2
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1764
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August 27, 2019
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