sirius | distributed system library for managing application | Runtime Evironment library
kandi X-RAY | sirius Summary
kandi X-RAY | sirius Summary
Sirius is a library for distributing and coordinating data updates amongst a cluster of nodes. It handles building an absolute ordering for updates that arrive in the cluster, ensuring that cluster nodes eventually receive all updates, and persisting the updates on each node. These updates are generally used to build in-memory data structures on each node, allowing applications using Sirius to have direct access to native data structures representing up-to-date data. Sirius does not, however, build these data structures itself -- instead, the client application supplies a callback handler, which allows developers using Sirius to build whatever structures are most appropriate for their application. Said another way: Sirius enables a cluster of nodes to keep developer-controlled in-memory data structures eventually consistent, allowing I/O-free access to shared information.
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Trending Discussions on sirius
QUESTION
I have a df with two columns: id and url. id contains project ids, and url contains website links which I would like to use for scraping ids of parent projects. Here is a sample of df that I have:
Here is a sample df:
...ANSWER
Answered 2021-May-04 at 21:31You can put the request into a function and then use map2 from purrr to pass in the child id and url. This should be more efficient, and r'esque, than using a for loop.
QUESTION
I have a df with two columns: id and url. id contains project ids, and url contains website links which I would like to use for scraping ids of parent projects. Here is a sample of df that I have:
Here is a sample df:
...ANSWER
Answered 2021-May-04 at 21:36This is pretty simple, but I'd go with async so you don't have to wait for each one.
QUESTION
The example below is a simple one which tries to assert the column y is always positive (y>0). How can I extract the errored data (row 3 with the negative value,into a dataframe maybe, or any convenient object) while allowing the workflow to continue with "cleaned" data?
...ANSWER
Answered 2021-Apr-12 at 09:23This is tricky, and the answer below doesn't solve this 100%. Now there are a number of different ways assertr lets you handle errors/stops, just see ?error_stop (which is the default).
You need to not only filter out rows that fail, but also collect them (all) for later inspection.
Below I wrote my own error handler. It fetches those rows that fail, filter them away, and stores them in the global environment under the varibale my.failed.rows
.
QUESTION
What is the M2DOC Eclipse Capella command to maximize an image in a Word page?
I try this code:
...ANSWER
Answered 2021-Apr-27 at 09:52You are using the DRepresentation to call the service getHeight(), you should call it on the MImage:
QUESTION
I am trying to carry a value in one column backwards by a number of rows given in a second column and fill everything in between.
So column y mainly has 1s in it but might have individual numbers up to about 20 (in my real data, up to 3 in my example below). If the number in y is 20, I need the 19 rows before that row and that row itself to equal the value of x for the row where y is 20. If the value in y is 1 the output will just equal x.
y
also has many NAs, these NAs are either legitimate NAs where I want an NA output or are placeholders where the filling should occur if a y value afterwards is > 1.
I thought I could use dplyr::lead
but I cannot have a variable n
value to look forwards a different number of steps, and it wouldn't fill inbetween, and I wondered about making a new, always increasing column and using RcppRoll::roll_max
but have similar problems with the flexible window size.
Typically y-values in the lead up to a y > 1 will be 0 or NA, but if there were conflicts I would want to adopt the later value still eg in row 8 of my data frame y is 1 followed by y = 2 in row 9 so I want the value associated with row 9 in both cases. If y in NA and there is not covered by filling backwards, I want it to remain NA (or 0 would be fine)
Thanks for any thoughts
...ANSWER
Answered 2021-Apr-08 at 01:09Things got a bit complex, but essentially calculate all the repeated x's for each y > 0, and then let subsequent x'es overwrite earlier ones
QUESTION
I'm fairly new to GTK and Cairo, and I need to write code that will allow it to draw my data in a while(1) loop each time gtk_widget_queue_draw is called. Here's my attempt at it:
...ANSWER
Answered 2021-Mar-12 at 16:53GTK uses an event loop. When you call gtk_main()
, it starts this loop, which handles click events, drawing your window, etc. The idea is that the loop calls your functions whenever an event happens. Your function handles it, then returns control back to the main loop so it can handle more events.
Your while(1) loop never returns control to the main loop, so no more events will ever be handled--including the draw event you queue inside the loop. (gtk_widget_queue_draw()
doesn't redraw the widget immediately; it schedules a redraw for the next loop).
To fix this, instead of a while(1)
loop with a sleep()
call, try using g_timeout_add()
. This will call a function every interval
milliseconds as part of that main loop.
QUESTION
I'm trying to make an android app with buildozer and when I run buildozer -v android debug run logcat
the app opens then closes immediatly and the logcat just gives me alot of useless information about my phone. It's too much that I can't copy it all. I think it just lists my apps and notifications but I don't know why. This happened when I wanted to integrate fingerprint scanners in my app I used this github repo but I removed import org.fingerprint.FingerprintCallbackInterface;
from FingerprintCallback.java because it kept telling me that org.fingerprint doesn't exist so is there a solution for this? thanks in advance
Here is a part of it:
...ANSWER
Answered 2021-Feb-12 at 01:58Turns out I needed to remove the # from android.logcat_filters
QUESTION
The collection:
...ANSWER
Answered 2021-Jan-23 at 12:11You were not sufficiently clear about what was the result of your approaches. Do they give execution errors or don't they bring the results you expected?
For the first problem, it seems that alive and hogwartsStudents are of boolean type, so I recommend to use true instead of "true"
QUESTION
I'm trying to create a multiple file upload using vue and axios. My problem is that Only ine file will be uploaded to the server. Here is the code I' using: Template code
...ANSWER
Answered 2020-Nov-14 at 19:17try changing "image" for "image[]" in the appened
function
Example:
QUESTION
EDIT: Thanks for answering! I've updated the codepen to reflect the final code, if anyone is interested. The code in the post is the original code that wasn't working.
I've been through probably 15 tutorials by now, but so far none of them are working.
Here's the challenge:
I've made a navbar for desktop, using an unordered list for the menu items, and organizing them with flexbox.
In the mobile version, I'd like the menu items to hide/appear by pressing a toggle. I've found that most tutorials does this by throwing a div around these items, but that would mess up the flexbox.
tldr; How can I make a navbar, made up of list items in a flexbox, to appear/disappear by pressing a toggle?
Here is my code:
HTML
...ANSWER
Answered 2020-Sep-25 at 11:46Please use Semantic Elements and right approach to To create a show/hide navigation bar, that works on all devices.
Please target
Updated snippet :-
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