rai | This is designed as shared submodule | Robotics library
kandi X-RAY | rai Summary
kandi X-RAY | rai Summary
This repo contains core sources related to Robotic AI. First users are not recommended to use this repo alone. Please have a look at example projects that use this bare code as a submodule and expose and explain one particular functionality. E.g., KOMO or rai-python. 'bare code' means that this repo contains only sources, a minimal Ubuntu-specific build system, and only minimal tests. For integration in other projects, use it as a submodule and integrate it in your own out-of-source build system.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of rai
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Lines of Code : 15License : Permissive (MIT)
Copygit clone git@github.com:MarcToussaint/rai.git
# OR, if you don't have a github account:
git clone https://github.com/MarcToussaint/rai.git
cd rai
# The following two commands depend on the config.mk -- see below
make -j1 printUbuntuAll # for you make cleanAll
make -j4
make dependAll
make -j4
sudo make install INSTALL_PATH=/usr/local
Community Discussions
Trending Discussions on rai
QUESTION
I have an array of 2 columns in which each cell should do an add-operation belonging to it's predecessor. The length of the array depends on a 3rd column which length varies. So I decvided to use an ArrayFormula to do the operations:
...ANSWER
Answered 2021-Apr-27 at 14:37I added a new sheet ("Erik Help"). In that sheet, I deleted everything from Column D, including the header, and replaced it with the following formula in D1:
=ArrayFormula({"Div/SLR-"&CHAR(10)&"Kumuliert";IF(A2:A="";;SUMIF(IF(ROW(A2:A);ROW(A2:A));"<="&ROW(A2:A);C2:C))})
The &CHAR(10)& in the middle of the header isn't strictly necessary; I just felt it made for a neater sheet, since it allows for controlled breaking of the header and decreasing the width of the column.
The rest of the formula basically reads, in plain English, "Continue to sum rows from Column C that are less than or equal to each row in Column D moving downward, one by one."
As for the slow processing speed in your sheet, you have over 31,000 rows in that sheet, which means your formulas must process them all, even though most of them are unnecessary. You'll notice that my added sheet is trimmed in both rows and columns to contain only slightly more than you'll probably need; and as such, my formulas process as soon as your A1 formula loads.
Also, it is unclear to me why your A1 formula asks to start receiving data from March 3, 2020 when your first "Div/SLR-List" date isn't until June. I would recommend replacing that "from" date in your A1 formula with a reference to K2.
QUESTION
I'm not clearly understanding what's happening when I use std::printf with an iterator in this context:
...ANSWER
Answered 2021-Apr-13 at 20:53TL;DR: It's all invalid C++, since std::printf doesn't have a type safe API. Passing references to non-POD objects as std::printf arguments is always invalid: printf has a C API.
What's happening in all cases is undefined behavior: you should not be writing code like that. The language spec itself tells you nothing about what to expect. Such code is a bug and would fail any sensible code review.
For the case of std::string and std::vector iterators, they happen to have the same size, value, layout, and parameter passing convention on your platform as a const char * that printf expects, and they happen to contain addresses of the beginning of the string/vector, respectively. Both std::string and std::vector lay out the data array identically, i.e. the elements are contiguous, and coincidentially the memory block in std::vector has a zero at the end of the string, so this happens to work. Maybe it only works because you build in debug mode :)
For the case of std::list iterator, it probably happens to contain a pointer to either the header of the list's data block, or a pointer to the beginning of std::string wrapped in the list item, and thus you get nonsense output that nevertheless doesn't cause an invalid memory access, since the equivalent pointer points to some allocated memory area and is otherwise valid. This is a consequence of implementation details on your platform, of course. There are platforms and build options where that code will just crash. And no, you can't even depend that it will crash dependably. That's why UB is pretty bad.
On your platform, std::printf("%s\n", *lst.begin()); would probably be just as bad of a bug yet happen to "work", since *lst.begin() produces a reference to std::string, and such a reference usually is laid out and passed around like a pointer would be. This is still UB of course, so don't do any of it!
QUESTION
can someone point me to a way of unzipping and opening .7z files through R?
Here is an example of a file that I want to download:
...ANSWER
Answered 2021-Mar-29 at 22:57The archive package will open 7zip format.
You will need to install the devtools package to install it.
QUESTION
Short question about how to express n+2 in col specification with filter_all or filter.
I need to search for a specific value followed, two cols. away, by specific value, without using col. names
DataI have a df that comes from text processing (in Old French, btw). Each row represent a line of the text. Here's an extract of that df (simplified). It continues after col. SYLL_TAG4-1 up to SYLL_TAG20.
...ANSWER
Answered 2021-Feb-24 at 08:41Here is one base R option :
QUESTION
In the above exercise, I have a working v-for loop that prints all of the JSON objects in my JSON file, I am trying to only print the first object instead of the whole list... is there a way?
- I could not find an answer on google
here is my code:
...ANSWER
Answered 2021-Jan-19 at 16:21So as per you data structure your code should be something like
QUESTION
I have two collections which are of schema like
...ANSWER
Answered 2020-Nov-16 at 14:19You're actually only projecting _id in the first pipeline and hence only _id is passed to further pipelines, If you need email in further pipelines you need to project it too
QUESTION
i'm using phyton 3.6.9 from debian and I'm having a problem with my code.
What does my code do? My code extracts news from an xml url (using bs4 and urllib) and publishes it on a telegram channel using the telepot library. The check takes place on the date of publication.
What is my problem? My code works perfectly from windows. From Linux it performs the scraping correctly, but when I arrived at the last news on the site, it returned this error:
...ANSWER
Answered 2020-Nov-06 at 10:14Here the element is pubdate not pubDate and python is case-sensitive, so you need to use exact name:
QUESTION
I need to figure out if two strings from a site are equal. If they are the same, it goes to the next string and saves it, if they are different, it saves it.
...ANSWER
Answered 2020-Nov-04 at 19:02The items in the XML are chronologically ordered. You can store the timestamp of the latest item and process all new items.
I'm not able to test it but it should be:
QUESTION
Essentially, I'm struggling with the same XSLT problem as another questioner asking on this site, namely the user "bigsky" in a post of 2013 (s. Trim white-spaces at the end of lines only before a specific tag). But in spite of a useful hint (in the answer of Sperberg-McQueen), I couldn't figure out a satisfying solution for the issue.
What I'm trying to do is, transforming an XML file into a readable HTML document, to create a running "body" text and recombine at line breaks the strings of words divided, that is interrupted by an element, in my original document - but recombine them without whitespaces!
Having played around with several templates in my XSLT stylesheet, I defined one - following the hint of the post mentioned above - to process all nodes preceding a element, and I tried to remove their leading and trailing whitespaces making use of the normalize-space() function, so that the strings preceding and following the specified nodes should be concatenated in the output.
Now, for the most part of the cases, I've actually got the output I desired - however, in some places appears (to my surprise) whitespace before the re-concatenated string, which has no counterpart in my XML file and which I would like to get rid of.
As the relevant files deal with a document of a certain length, I'll show you only extracts of the code - but I'll include parts where the transformation works as wanted, as well as parts where the transformation produces unexpected whitespace.
Concerning the text document at issue, just a brief note for your information: The XML file covers the text of a medieval Latin manuscript according to conventions of the Text Encoding Initiative (TEI) and is, among other things, intended to record palaeographic features of the manuscript (- in case you wonder about the tags/elements I've used). Actually, I'd like to ask you to have a look primarily at the sections around the elements and ignore the details of my text encoding - but at the same time I wanted to show you the selected passages as they appear in my edition (not least because I'm unsure as to the role of adjacent elements ...).
--> Extract from the XML file:
...ANSWER
Answered 2020-Sep-28 at 10:18I would try with or perhaps make sure you use a well defined inline element like span instead of seg.
QUESTION
When I deploy the project on herokou server, while migrating, I encountered this error. While in my system, there was no such error and the project was working properly
...ANSWER
Answered 2020-Sep-12 at 20:06It says what the error is. You have an app called "account" and the migrations for this app is looking for migration 0013_auto_20200828_2241 in 'auth" which is one of django's main migrations.
This probably means in your requirements you are using a different version of django to your local. So your local has the migration and the one you are installing on heroku does not?
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