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What are file descriptors, explained in simple terms?
...es as an example and how does it apply for it?
Check out this code
#>sleep 1000 &
[12] 14726
We created a process with the id 14726 (PID).
Using the lsof -p 14726 we can get the things like this:
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
sleep 14726 root cwd DIR ...
What are the differences between the threading and multiprocessing modules?
...lt, self.niters)
class IoThread(threading.Thread):
def __init__(self, sleep):
super().__init__()
self.sleep = sleep
self.result = self.sleep
def run(self):
time.sleep(self.sleep)
class IoProcess(multiprocessing.Process):
def __init__(self, sleep):
...
Timeout a command in bash without unnecessary delay
...AY seconds.
As of today, Bash does not support floating point arithmetic (sleep does),
therefore all delay/time values must be integers.
EOF
}
# Options.
while getopts ":t:i:d:" option; do
case "$option" in
t) timeout=$OPTARG ;;
i) interval=$OPTARG ;;
d) delay=$OPTARG ;...
Max retries exceeded with URL in requests
...you use enough time gap to send requests to server this can be achieved by sleep(timeinsec) function in python (don't forget to import sleep)
from time import sleep
All in all requests is awesome python lib, hope that solves your problem.
...
What is an uninterruptible process?
...hard drive, or moving heads. During most of this time, the process will be sleeping, blocking on the hardware.
While the process is sleeping in the system call, it can receive a Unix asynchronous signal (say, SIGTERM), then the following happens:
The system calls exits prematurely, and is set up ...
How to listen for changes to a MongoDB collection?
...> true)
loop do
if doc = cursor.next_document
puts doc
else
sleep 1
end
end
PHP
$mongo = new Mongo();
$db = $mongo->selectDB('my_db')
$coll = $db->selectCollection('my_collection');
$cursor = $coll->find()->tailable(true);
while (true) {
if ($cursor->hasNext())...
Difference between wait() and sleep()
What is the difference between a wait() and sleep() in Threads?
33 Answers
33
...
How to sleep for five seconds in a batch file/cmd [duplicate]
...out 5
N.B. Please note however (thanks Dan!) that timeout 5 means:
Sleep anywhere between 4 and 5 seconds
This can be verified empirically by putting the following into a batch file, running it repeatedly and calculating the time differences between the first and second echos:
@echo off
e...
How do I profile memory usage in Python?
... When that function returns, all the memory is released. I also added some sleep() calls to simulate a long-running calculation.
from collections import Counter
import linecache
import os
import tracemalloc
from time import sleep
def count_prefixes():
sleep(2) # Start up time.
counts = C...
Timeout on a function call
...ime
...: while 1:
...: print("sec")
...: time.sleep(1)
...:
...:
# Register the signal function handler
In [4]: signal.signal(signal.SIGALRM, handler)
Out[4]: 0
# Define a timeout for your function
In [5]: signal.alarm(10)
Out[5]: 0
In [6]: try...