streamR | Dev version of streamR package
kandi X-RAY | streamR Summary
kandi X-RAY | streamR Summary
This package includes a series of functions that give R users access to Twitter's Streaming API, as well as a tool that parses the captured tweets and transforms them in R data frames, which can then be used in subsequent analyses. streamR requires authentication via OAuth and the ROAuth package.
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streamR Examples and Code Snippets
Community Discussions
Trending Discussions on streamR
QUESTION
I am playing around with the following example, to draw video and overlay to a canvas, and live stream it on YouTube.
https://glitch.com/edit/#!/mmcc-next-streamr?path=pages%2Findex.js%3A1%3A0 (You can click on 'Show' to see it)
I have some requirements I'd like to satisfy for the Canvas and for the video sent to YouTube:
The canvas should:
- have a responsive size
- keep the aspect ratio when resized
The quality of the video sent to YouTube Live Streaming API should:
- be unaffected by canvas size
- be able to be controlled from my code
I was wondering if this is possible.
Isn't
...ANSWER
Answered 2021-Jun-01 at 14:23I've built an app similar to what you are describing: https://record.a.video (it streams to api.video, but can be used for any RTMP endpoint service)
Set the canvas size to the dimensions you want to stream. That's what will be sent out of the browser.
Then use CSS to resize the canvas for the browser - making it responsive. For example - in this app, I have it set to 70% of the screen for desktop, and 66% of the screen for smaller devices. It does not affect the size streamed.
QUESTION
I have a function which has nested Promises within it. I want to re-execute this function when there is a length value of streamRes.length
. Currently, it only executes the code and prints out the length on the console but doesn't re-execute.
ANSWER
Answered 2020-Jul-19 at 17:49As evolutionxbox wrote, you need to return the promise returned by getLastUpdatedEnrollee
as well as the promise getLastUpdatedEnrollee
itself. In general, when calling a promise within a function, you need to return those promises in order to use those values outside of that function.
Here is your code with return
added as needed:
QUESTION
I have a program on the server that creates pdf sql reports and I need to have them so users can email them out. First off before everything gets automated I want them to be able to view the email and adjust it as needed.
Im been using office.interop.outlook but now that isn’t working on the server as people have told me earlier. To view the documents I put all the selected PDF reports in a .zip file and the user downloads the zip. Now I was thinking of doing the same thing for emails.
Creating a .zip file that contains emails with the pdf reports as the attachment. How could I create am email draft with an attachment the user could download and open on their own machine? I can successfully create a text file and download it. When I try to use Office.Interop.Outlook I cannot create the ‘MailItem’ and convert it to a byte array to put it in return File(). What would you suggest? Locally everything works perfectly.
I also read online about creating an .eml file and people cam open this as if it were and email. Everyone has Outlook in the company. Outlook has .msg files for its email.
Heres some stuff ive tried
...ANSWER
Answered 2020-Jan-21 at 15:55I got it working!
I can create an email as an .eml mail message. Attach a report to it and save the new email to the server.
Thank you all for all the help! Here is what I used.
QUESTION
I'm working on writing the Stream class in Chapter 5 of Functional Programming in Scala, I know the solutions are online, but it's not helping me. I faced the same issue with the previous Chapter writing the List class.
I got so frustrated I actually COPY PASTED from the solution to my Scala worksheet and still the same issue.
I thought maybe it's because of the name (there's already a List and Stream), doesn't seem like a smart idea to name them like this, so I changed it, didn't help.
Maybe it's something to do with Intellij (I'm using IntelliJ IDEA), I'm doing the exercises on the Scala Worksheets. But I can't find anything about this issue in relation to IDEs.
Here is what I have so far:
...ANSWER
Answered 2020-Jan-08 at 14:45The two functions toList
and headOption
cannot be defined in the companion object of StreamRED
.
If you define them directly in the trait
it works:
QUESTION
I have JSON Helper installed but I can't seem to get this script to work.
...ANSWER
Answered 2019-Dec-06 at 04:44If I recall from back when I used to use JSON Helper
, it has a specific command for making a call to a remote API endpoint. Currently, you're doing this with cURL
by creating a shell process. There's nothing massively wrong with this, and were I in a terminal, that's certainly how I'd do it.
But, aside from the additional overhead from using do shell script
, doing it this way creates an additional necessary step: call to -> receive as text -> convert to record
.
If you use fetch JSON from
instead, you eliminate the need to call out to the shell, and you eliminate a step in the workflow: call to -> receive as record
.
QUESTION
ANSWER
Answered 2018-Jul-19 at 15:09Files should have an extension ! (configs.js in this case).
Xcode is trying to find .js files, and here, there is no extension !
(solution for record)
QUESTION
I am trying to stream data from Twitter, by using StreamR and this guide https://github.com/pablobarbera/streamR
It worked recently, but now I get this error when I try to stream any data;
...ANSWER
Answered 2019-Oct-02 at 06:04I was able to successfully run the code as per below (proving that it is indeed an issue with your setup and nothing has changed in the API or package itself).
A couple notes:
- I installed the github version of streamR
- Notice that I couldn't run the function
getUsers
; I suspect that function is from the CRAN version - I've included the output of
sessionInfo()
; perhaps if you ensure you have the same package versions and R version as I do you will be able to run successfully or at least lead you in the direction
QUESTION
I want to keep updating the value in my player list based on what user typed in the search widget while i do streaming. I know that i can't add add
after where
in players but i just want you to know what i really try to do. This is my code:
ANSWER
Answered 2018-Oct-19 at 16:46Why your approach isn't working
Basically, you are trying to combine two separate functionalities into one list: On the one hand, you want to load all the players from the web api, on the other hand you want to filter them based on some criteria.
What to do about it
My humble recommendation would be to separate the players
into two list: one for all the players, the other one for the filtered players (those that should actually be displayed).
This has the benefit that both functionalities can work independently from one another: If a user changes the search query after all players loaded, it's still possible to present a useful result by filtering the original list.
QUESTION
I'm trying to get the number of followers in twitter from some users that I already know. I'm using getuser() or lookupuser() but I don't get the info that I want.
I did a streamR to get info about some hashtag and then saved it in a .json file. Now I parsed it and one of the column that I see is "in_reply_to_screen_name", and I want to know the followers of those users.
I have done a subset to group all those name in a list, so I don't want to go one by one. I don't know why but getuser() function return an error, with list or just trying one user. Error: could not find function "getuser"
So I use lookupuser(), which is the same package, and seems like working but doesn't return the info that I'm looking for.
$notoliverbutler
[1] "notoliverbutler"
$OverTheMoonbat
[1] "OverTheMoonbat"
$OHenleyAlex
[1] "OHenleyAlex"
Example of the code:
...ANSWER
Answered 2017-May-30 at 11:44The information should be in the user
object from the twitteR
package:
QUESTION
I'm trying to figure out something while reading a binary file.
On my file there's a long type value at the beginning ('8'), and then, depending on the file, the next value will be either a letter (for example 'E') or another long (for example '5'). My question is: How can I know what kind of data value I'm reading on my file?
My code looks like this:
...ANSWER
Answered 2017-Oct-17 at 18:51How can I know what kind of data value I'm reading on my file?
You can't. Not from the bytes themselves (as opposed to the file's extension etc.). The bytes are just bytes. What they represent depends on whoever wrote the file.
(You can try to see if it makes sense, such as if it must be an 'A' or an int - if it's not an 'A' - it's an int. But it might also be the first byte of an int that just happens to be the same as the ASCII(?) value of an 'A'.)
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