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What do *args and **kwargs mean? [duplicate]
...wrapper's metadata
return wrapper
import time
@cache
def foo(n):
time.sleep(2)
return n*2
foo(10) # first call with parameter 10, sleeps
foo(10) # returns immediately
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Should I be concerned about excess, non-running, Docker containers?
...d to run multiple docker containers that will all automatically exit after sleeping for up to 10 seconds.
for i in {1..10}; do sudo docker run --rm ubuntu /bin/sleep $i & done
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How can I scroll a web page using selenium webdriver in python?
...rollTo(0, document.body.scrollHeight);")
# Wait to load page
time.sleep(SCROLL_PAUSE_TIME)
# Calculate new scroll height and compare with last scroll height
new_height = driver.execute_script("return document.body.scrollHeight")
if new_height == last_height:
break
l...
How to read keyboard-input?
...he input_str.
# The rest of your program goes here.
time.sleep(0.01)
print("End.")
if (__name__ == '__main__'):
main()
2. Same Python 3 code as above, but with extensive explanatory comments:
"""
read_keyboard_input.py
Gabriel Staples
www.ElectricRCAircraftGuy.com
14...
asynchronous vs non-blocking
... if (msg is not empty)
{
break;
}
else
{
sleep(2000); // 2 sec
}
}
// thread Y
// prepare the book for X
send(X, book);
You can see that this design is non-blocking (you can say that most of time this loop does something nonsense but in CPU's eyes, X is runnin...
How can I propagate exceptions between threads?
...n_ptr teptr = nullptr;
void f()
{
try
{
std::this_thread::sleep_for(std::chrono::seconds(1));
throw std::runtime_error("To be passed between threads");
}
catch(...)
{
teptr = std::current_exception();
}
}
int main(int argc, char **argv)
{
std::th...
error: No resource identifier found for attribute 'adSize' in package 'com.google.example' main.xml
...
You are the life & sleep saver... Thank you, u saved my sleep :)
– Naruto
Mar 28 '15 at 19:11
...
What is recursion and when should I use it?
...
Simple english example of recursion.
A child couldn't sleep, so her mother told her a story about a little frog,
who couldn't sleep, so the frog's mother told her a story about a little bear,
who couldn't sleep, so the bear's mother told her a story about a little w...
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 a Python caching library?
...
print ci
cd = CachedDict()
print cd.get('a', fn, 5)
time.sleep(2)
print cd.get('a', fn, 6)
print cd.get('b', fn, 6)
time.sleep(2)
print cd.get('a', fn, 7)
print cd.get('b', fn, 7)
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