MABEL | legged balancing robot based off of the Boston Dynamics | Robotics library
kandi X-RAY | MABEL Summary
kandi X-RAY | MABEL Summary
MABEL is an ongoing open source self balancing robot project that is inspired by the famous Boston Dynamics Handle robot. The robot is controlled via an Arduino that handles all of the PID calculations (based off of open source YABR firmware) based on the angle received from an MPU-6050 Accelerometer/Gyro, whilst a Raspberry pi (code in python) manages Bluetooth and servo control, running an inverse kinematics algorithm to translate the robot legs perfectly in two axes. The goal of MABEL is to create an affordable legged balancing robot platform like the the Boston Dynamics Handle robot that can built on a hobby scale using cheap Amazon parts and components. By having a balancing platform with articulated legs MABEL will be able to actively balance in multiple Axes and vary leg length depending on the surroundings to increase terrain and off-road performance. MABEL has built on the open source YABR project for the PID controller but with the addition of servos and a pi that helps interface them and control everything.
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QUESTION
I have this table, 'people.sql' in SQL Server 2017. The table stores the name, age, nationality and status (Available/Busy) of people, like this.
...ANSWER
Answered 2021-Feb-28 at 21:39You want conditional aggregation (CASE WHEN
inside an aggregation function):
QUESTION
I am trying to extract data from an xml in a sql column and return that into a query result, but I have been struggling to read this partciluar xml. I am not sure what I am doing wrong or if the way the xml is structured needs a different approach. I have tried simpler XMLs without the attributes and references and was able to extract from a single node.
These are the XML file contents:
...ANSWER
Answered 2021-Jan-21 at 13:41You have a default XML namespace in your XML document:
QUESTION
Column B is name. How to alternate color based on unique names meaning same name rows get grey background color (entire row) next unique name rows is white and so on
...ANSWER
Answered 2020-Jul-23 at 04:04If you don't mind using a helper column, here is one way:
Column B has the names (unique values that determine row colour)
Column D is the helper column.
D1 value: TRUE
D2 formula:
=if(B2=B1,D1,not(D1))
(and then this formula all the way down)
Apply conditional formatting:
- to range: A1:D1000
- custom formula is:
=$D1=TRUE
Example Google Sheet here. Make a copy to see the conditional formatting rule.
Screenshot below:
QUESTION
This is my first question on here so I apologize if I miss some information/formating. I am unable to understand why my Node.js doesn't seem to work on my laptop, but works perfectly fine on another computer. This is my code:
...ANSWER
Answered 2020-Jul-13 at 23:45The error is caused because you're essentially doing message.content.toLowerCase().content.startsWith()
This should work:
QUESTION
I am using Tabulator with Django to edit a model. After any change to a cell, I use setData to make an Ajax call to a REST endpoint created using Django REST Framework. The database updates ok. The problem is that the response from the server contains only the single record that was updated, and this is making the Tabulator data reduce to only that record.
My question is, how can I get Tabulator to disregard the response, or otherwise have the data be left alone following the edit?
I am pretty new at this stuff (both Django and especially JavaScript) so apologies if I've missed something basic.
My tabulator code is below.
- The
function getCookie
is to generate a CSRF_TOKEN as per the instructions in the Django documentation here. This is then included in theheader
as'X-CSRFTOKEN': CSRF_TOKEN
. - The variable
ajaxConfigPut
is used to set the method to PUT and to include the CSRF_TOKEN as noted above. This is then used in thetable.setData
call later on (table.setData(updateurl, updateData, ajaxConfigPut);
). - The function
ajaxResponse
at the end just checks if the response is an array or not (because Tabulator expects an array which is fine for GET, but the PUT response was only a single {} object. So this function forces the PUT response into an array consisting of one object[{}]
.
ANSWER
Answered 2020-Apr-29 at 17:02None of the Mixins used by your CustomerUpdateAPIView
have a method called put
. I don't think that function is called. Instead, you can try to override the update
method of your viewset. It could look like this:
QUESTION
I am trying to get all documents that match the username field with the same value.
Ex. if username is Mabel, then return every document where after populate, the username matches the name Mabel
Project Model:
...ANSWER
Answered 2020-Mar-12 at 12:53I guess you are trying to get user with his/her projects.
You can do this easily with aggregation framework.
We first match the user with username, and then use $lookup aggregation to get his/her projects.
QUESTION
I already have a CSS/HTML mockup that makes it look like WhatsApp messaging, but only for conversations between 2 people. I want to add the group-chat feature, which means the names.
It's based on a
- list, so the HTML looks like this:
...
ANSWER
Answered 2020-Feb-04 at 04:26From what I understand,
You need the full name + text to come in one bubble. For that you can give background and styling to the .in and .out divs. Same goes for the pointing arrow.
You need to have some width, so the bubble has some width. For this remove the float left/right given to dd.
Rest you can fix using margin and padding.
QUESTION
I want to add extra field to lookup result but i need a condition here. Every user has a relationship status (local field) and it should be added to lookup result for each user, but It's adding every 'status' to every user.
...ANSWER
Answered 2019-Aug-01 at 04:48You need $unwind to get single document per relationship:
QUESTION
I am building a website and part of the site consists of a place for FAQ questions. I am using bootstrap to have an accordion style display the question then when clicked on the answer will pop up. But I also have a picture displaying to the right of the FAQ section. Whenever I click on the FAQ question the answer overrides the picture to the left. I was wondering how to constrain the answer so that it will fit in its div and not override the picture. There is a comment called FAQ Question that starts that portion of the code.
...ANSWER
Answered 2017-May-02 at 09:04set a width for faq_div for instance:
QUESTION
...
ANSWER
Answered 2018-Feb-15 at 17:59Disable the FsEvents
when not used:
C:\Users\UserName\AppData\Roaming\npm\node_modules\truffle\build\cli.bundled.js
// if (!FsEventsHandler.canUse())
opts.useFsEvents = false;
Steps:
truffle compile && truffle build && truffle migrate && truffle serve
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