34 questions
2
votes
1
answer
984
views
Trading veiw Lightweight graph set timescale at one hour
I am currently using lightweight chart for my candlestick graph but i am facing an issue . How can i set my data in candle stick.
My data.
"data": [
{
"open": "1.18384&...
- 184
0
votes
0
answers
536
views
Lightweight python to execuable?
I have been using pyinstaller as my method of turning a python file into an executable. However, the executable's size is over 6mb for even a small application such as printing "hello world"
...
- 570
-5
votes
1
answer
4k
views
Access WebMail(i.e:"Mail.com") Emails Over Basic HTML Version WebSite From Basic/TB WebBrowser [closed]
QUESTION(s) : (1) How can users or I have direct-access (aka: view, send, receive, etc capabilities) for web-emails/web-mails (i.e:"Mail.com") , from simple/basic/lightweight/mobile web-...
- 1,059
0
votes
1
answer
509
views
Extended events capture bare minimum events for better performance
We are having legacy application, where there are so many users connecting to our legacy system. We know about our jobs and our DB maintenance activities. But, we see so many different users also ...
- 12.9k
4
votes
1
answer
7k
views
Convert webm to mp3 using python?
Yes I know that this has been asked many many times, but the libraries on every single answer just ends up needing ffmepg.
The problem with that is that the file size increases dramatically when I ...
- 570
0
votes
0
answers
215
views
how to run LightWeight parallel java JAR file in linux
i need to run a program called Node that will run the the same program with different parameters. This has to be done in school linux machine so it does not have enough memory space. So the professor ...
- 15
3
votes
2
answers
5k
views
What differ CoAP and LwM2M?
I study about IoT protocol CoAP, MQTT, LwM2M.
I was able to know a little about CoAP and MQTT.
But I do not know what LwM2M is.
I do not know what's different from CoAP.
I just thought that LwM2M ...
- 409
0
votes
1
answer
61
views
Does TLS support lightweight cryptography defined by IOS/IEC 29192 standard?
does TLS support any of the lightweight cryptographic primitives defined in IOS/IEC 29192? like Clefia, Present or any others?
- 1
0
votes
2
answers
121
views
Trying to update my DBModel with lightweight migration but nothing happens
So the categories from my db model got updated ( before there was like 4 now they are 7) and I want to update the core data as well with the new objects.
I tried to apply this : https://developer....
- 267
1
vote
1
answer
922
views
Lightweight Rendering Pipeline error
I downloaded the lightweight rendering pipeline using Unity's package manager, but I cannot create a lightweight pipeline asset. When I try to create the asset, the console throws me:
Invalid ...
17
votes
2
answers
7k
views
Code=134110 - Validation error missing attribute values on mandatory destination attribute
Context:
app using CoreData
some lightweight migration successfully performed in the past (reached the 4th iteration of the model version)
client wants a new feature
created a 5th model version
...
- 506
0
votes
1
answer
701
views
How to kill Java LWP (Light weight process) Linux
Is there any way to kill LWP.
I have a web application and two LWP and running continuously from last 16 hours. And those process consuming lots of core because of that cpu consumption gone 100%. I ...
- 185
1
vote
1
answer
262
views
Erlang - map each "erlang process" to new kernel thread
I am studying an erlang based system, and trying to analyze the sequence of events that take place in the system. Is there a way to force erlang run-time or the elang vm to create a new kernel thread, ...
- 197
5
votes
5
answers
511
views
Strange behavior of clone
This is fairly simple application which creates a lightweight process (thread) with clone() call.
#define _GNU_SOURCE
#include <sched.h>
#include <stdio.h>
#include <sys/types.h>
#...
- 3,238
0
votes
1
answer
341
views
Light/Easy weight font for slow internet connection CSS
Could you advise me which font I should use in CSS file if we guess that user would have a slow internet connection to my site ?
I've connected local file of font:
@font-face {
font-family: '...
- 1,532
1
vote
5
answers
14k
views
Which is the lightweight linux for virtualbox?
I am completely new to Linux and I want to download and practice linux commands without letting go of my windows pc. I have a Dell Inspiron with 500 GB Hard Drive, 4 GB RAM and Pentium CPU B980 (2.4 ...
- 145
0
votes
0
answers
79
views
Lightweight Process Stack Allocation
Linux lightweight processes share the same memory descriptor as referred here. This includes all the segments including text, data, heap, stack. I wanted to how this shared stack segment is managed ...
- 139
2
votes
0
answers
466
views
Cassandra: Providing atomicity and preventing "dirty reads" at the same time
I need to atomically insert multiple rows in a Cassandra table that have different partition keys. At the same time, I need to make sure for each query that the state of data user is updating/...
- 21
14
votes
1
answer
6k
views
What does BEAM stand for in iex for the Elixir programming language?
What do the letters B. E. A. and M. stand for? I recall seeing an explanation of the acronym "BEAM", but I have not managed to find it again.
It comes up in error codes:
➜ gentoo iex
Erlang/OTP ...
- 8,846
1
vote
0
answers
594
views
Confused about using buffers in C
For my assignment, I have to solve a simplified Conway's problem using lightweight processes and constant size buffers. The program reads a stream of characters, packages the stream into 10-character ...
- 1,777
2
votes
1
answer
74
views
Can't multithread but works with a for loop or single thread
I'm trying to get multiple threads to perform parallel calculations on a 2D array.
The user specifies how many threads they want so on a 25*25 2d array if the user wants 5 threads then each thread ...
- 255
15
votes
1
answer
13k
views
threads and LWP in Linux
Is this sentence correct: "All threads in Linux are LWP but not all LWP are threads". Actually, I try to understand thread realisation in Linux. pthread_create call clone syscall, but in man clone, I ...
- 185
8
votes
2
answers
1k
views
Does LLVM provide any facilities for implementing "green threads"/lightweight processes?
I am looking into designing a concurrent language with support for lightweight processes ("green threads") in the vein of Erlang using LLVM as a native code generator. Lightweight processes are ...
- 1,132
7
votes
3
answers
7k
views
Python generator function/object naming convention
I have a few logical processes implemented in the same class.
A class instance get a generator for each process, and run() advances said generators. In my case generators don't end.
How would you ...
- 11.8k
2
votes
3
answers
3k
views
Why are threads referred to as light weight processes? [duplicate]
While going through most java tutorials, they mention threads as light weight process. I know what's happening in thread creation, but I didn't get the definition of thread. In stackoverflow most of ...
- 279
0
votes
1
answer
637
views
In a many-to-one threading model, when does the mapping actually start?
From my understanding on the many-to-one model, all user threads are bound to a LWP which is then bound to a kernel thread. The threading library is responsible for scheduling the threads onto the LWP ...
- 69
0
votes
1
answer
238
views
Why two threads in NPTL have different pid in Ubuntu12.04
I tested some code in Ubuntu 12.04 LTS server x64(3.2 kernel), which I think is using NPTL.
when I run
$ getconf GNU_LIBPTHREAD_VERSION
I get
NPTL 2.15
The following is the test code. I compiled ...
- 29
32
votes
8
answers
28k
views
What is the difference between lightweight process and thread?
I found an answer to the question here. But I don't understand some ideas in the answer. For instance, lightweight process is said to share its logical address space with other processes. What does it ...
- 755
1
vote
2
answers
2k
views
How are light weight threads scheduled by the linux kernel on a multichip multicore SMP system?
I am running a parallel algorithm using light threads and I am wondering how are these assigned to different cores when the system provides several cores and several chips. Are threads assigned to a ...
- 1,945
60
votes
3
answers
9k
views
Haskell lightweight threads overhead and use on multicores
I've been reading the "Real World Haskell" book, the chapter on concurrency and parallelism. My question is as follows:
Since Haskell threads are really just multiple "virtual" threads inside one "...
user500944
7
votes
5
answers
4k
views
Erlang-style light-weight processes in .NET
Is there any way to implement Erlang-style light-weight processes in .NET?
I found some projects that implement Erlang messaging model (actors model). For example, Axum. But I found nothing about ...
- 8,470
13
votes
3
answers
4k
views
What's the difference between "green threads" and Erlang's processes?
After reading about Erlang's lighweight processes I was pretty much sure that they were "green threads". Until I read that there are differences between green threads and Erlang's processes. But I don'...
- 72.4k
5
votes
4
answers
921
views
What other systems beside Erlang are based on "Green Processes"?
I was reading this informative page on Green Thread (Wikipedia) and I wonder: what other programming systems rely on "green processes" beside Erlang?
Edit: " Green Thread != Green Process "
Green ...
- 96.6k
48
votes
4
answers
7k
views
How, if at all, do Erlang Processes map to Kernel Threads?
Erlang is known for being able to support MANY lightweight processes; it can do this because these are not processes in the traditional sense, or even threads like in P-threads, but threads entirely ...
- 14.4k