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39
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How to exchange variables between processes in Python in real time_ish. Is the only way to use queues and pipes
from multiprocessing import Process, Manager, Lock, Value
import time
class Niao:
def __init__(self, axle_angle, position_x, position_y, energy, speed):
self.axle_angle = ...
0
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1
answer
182
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Synapse notebook access CSV / ZIP files from on premise
I am trying to access different types of files (CSV/ZIP/ ETC...) within my company's on premise shared drives.
As different departments submit their documents, I seek python / pyspark code to fetch ...
0
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1
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181
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Vert.x SharedData - can it reliably store an LRU?
I'm trying to store a list of things in the Vert.x cluster shared data, where the list if kind of like a queue, but things drop off of the queue based on a limit of number of elements - basically the ...
1
vote
1
answer
261
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Multithreading with std::future in C++: Accessing shared data
I am currently developing a multi-threaded application in C++ where different threads are expected to process data from a shared data structure. I'm aware that the standard library provides std::...
0
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1
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106
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Shared memory or reference to memory objects for UWP multi instance app?
Is there any way to create shared memory between multiple instance of an UWP app?
For example, I need to load hundreds of images (as Bitmap) in one instance of UWP app.
Loading same images in the ...
1
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0
answers
173
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Unable to make a filter slider of R with crosstalk
I am attempting to create a slider for the date on the Big Mac Adjusted Index from https://github.com/TheEconomist/big-mac-data/releases/tag/2022-07. The error is in bscols function on R and reads as ...
0
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1
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174
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Two android applications with same sharedUserId and process
I've got a question about android applications with same android:sharedUserId and android:process attributes.
would you please tell me, when should we use applications in the shared process and how ...
2
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2
answers
5k
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multiprocessing.Pool map multiple arguments with shared value
I am practicing on using shared values for multiprocessing. I have an existing Process function that is working using shared value:
def run_procs_with_loop(lock):
# this is my shared value
...
0
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2
answers
244
views
Share data without database
I have this web application that gets and displays data from SAP, but i need a way (maybe a JSON file?) to share some data between different users, with the possibility to modify these same data for ...
2
votes
1
answer
392
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Illegal attempt to work with the core-data or default zone in the shared database
The setup:
My app uses CoreData+CloudKit to mirror iCloud content.
I am implementing record zone sharing and am testing it using 2 iPhones.
iPhone 1 executes the app standalone, iPhone 2 under Xcode ...
0
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0
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35
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What is meant by signing a block of data in shred file systems. I am making a project where I am to demonstrate public auditing of shared data
I am making a project wherein I need to demonstrate the public auditing of shared data. For example Let's say I have a large text file which is shared by some users. And each users signs some block of ...
0
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1
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334
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Why is this local QMultiMap detaching when modified?
To give some background: in my project I put a debug breakpoint inside QMap::detach_helper because I wanted to see if I could spot any occurrences when implicitly shared QMaps were detaching due to an ...
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0
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39
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Craete a history with data from different fragment
T User scans a receipt and the output is put in an editable Text, which the User can adjust if the OCR made a mistake.
I have a "confirm" button, on which the data from these editable Text ...
15
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2
answers
7k
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Laravel Jetstream Inertia Shared Global App Data
I want to share something I figured out since there's not much info out there (that I couldn't find).
Laravel 8 with Jetstream Inertia has a few shared objects, like user, current route... You can ...
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0
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243
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How can I change the data pointer of dynamic dispatch / a trait object? [duplicate]
I have a Vec<u8> named vec and a variable named x of type &dyn Trait. I want the data pointer of x to point to a position in vec.
#[derive(Debug)]
struct Point {
x: u8,
y: u8,
}
fn ...