大约有 2,300 项符合查询结果（耗时：0.0187秒） [XML]
What's the difference between a Future and a Promise?
...ier<Integer> momsPurse = ()-> {
try {
Thread.sleep(1000);//mom is busy
} catch (InterruptedException e) {
;
}
return 100;
};
ExecutorService ex = Executors.newFixedThreadPool(10);
CompletableFuture<Integer> promise =
...
How to get the return value from a thread in python?
...it as:
@threaded
def long_task(x):
import time
x = x + 5
time.sleep(5)
return x
# does not block, returns Thread object
y = long_task(10)
print y
# this blocks, waiting for the result
result = y.result_queue.get()
print result
The decorated function creates a new thread each tim...
How to capture stdout output from a Python function call?
...e)
capturing.on_readline(on_read)
capturing.start()
print("hello 1")
time.sleep(1)
print("hello 2")
time.sleep(1)
print("hello 3")
capturing.stop()
share
|
improve this answer
|
...
绘画动画组件 · App Inventor 2 中文网
...
详细用法请参考《App Inventor 2 绘图之画布画弧(DrawArc)函数的用法》。
画圆(圆心x坐标,圆心y坐标,半径,填充)
在画布上以给定坐标为中心绘制一个具有给定半径的圆（填充参数指定是否填充）。
画直线(x1坐标,y1坐标,x2...
What is java interface equivalent in Ruby?
...
class Person
def work(one,two,three)
one + two + three
end
def sleep
end
interface({:work => 3, :sleep => 0})
end
Removing one of the methods declared on Person or change it number of arguments will raise a NotImplementedError.
...
Is there an equivalent to CTRL+C in IPython Notebook in Firefox to break cells that are running?
...(y/n) y
Script code below:
from os import getpid, kill
from time import sleep
import re
import signal
from notebook.notebookapp import list_running_servers
from requests import get
from requests.compat import urljoin
import ipykernel
import json
import psutil
def get_active_kernels(cpu_thresho...
How do I get both STDOUT and STDERR to go to the terminal and a log file?
...'{ echo "to stdout"; echo "to stderr" >&2;}'
alias stdout_filter='{ sleep 1; sed -u "s/^/teed stdout: /" | tee stdout.txt;}'
alias stderr_filter='{ sleep 2; sed -u "s/^/teed stderr: /" | tee stderr.txt;}'
Output is:
...(1 second pause)...
teed stdout: to stdout
...(another 1 second pause)....
C# 'is' operator performance
...ders are heir to. 'Tis a closure Devoutly to be wish'd. To die, no, but to sleep; Yes I shall sleep, perchance to dream of is and as in what may be derived from the most base of class.
– Jared Thirsk
Dec 6 '09 at 21:52
...
Verify a certificate chain using openssl verify
... exit 23; }
PID=
kick() { [ -n "$PID" ] && kill "$PID" && sleep .2; PID=; }
trap 'kick' 0
serve()
{
kick
PID=
openssl s_server -key "$KEY" -cert "$CRT" "$@" -www &
PID=$!
sleep .5 # give it time to startup
}
check()
{
while read -r line
do
case "$line" in
'Verify re...
The difference between fork(), vfork(), exec() and clone()
...wake concurrently since they will influence each other. So the father will sleep at the end of "do_fork()" and awake when child call exit() or execve() since then it will own new page table. Here is the code(in do_fork()) that the father sleep.
if ((clone_flags & CLONE_VFORK) && (retval...