大约有 3,516 项符合查询结果（耗时：0.0148秒） [XML]
Command to get time in milliseconds
...0.053 total
I figured awk is lightweight than python, so awk takes in the range of 6ms to 12ms (i.e. 1x to 2x of date):
$ time awk '@load "time"; BEGIN{print int(1000 * gettimeofday())}'
1597103729525
awk '@load "time"; BEGIN{print int(1000 * gettimeofday())}' 0.00s user 0.00s system 74% cpu 0.010...
How can I install an older version of a package via NuGet?
...e a bit. I want to add that restricting the package version to a specified range is easy and useful in the latest versions of NuGet.
For example, if you never want Newtonsoft.Json to be updated past version 3.x.x in your project, change the corresponding package element in your packages.config file ...
Smooth scroll to div id jQuery
...
This can be done in plain JS:
document
.getElementById("range-calculator")
.scrollIntoView({ behavior: "smooth" });
Browser support is a bit issue, but modern browsers support it.
share
|
...
How to run a Python script in the background even after I logout SSH?
...s.EX_OK)
return wrapper
@daemon
def my_func(count=10):
for i in range(0,count):
print('parent pid: %d' % os.getppid())
time.sleep(1)
my_func(count=10)
#still in parent thread
time.sleep(2)
#after 2 seconds the function my_func lives on is own
You can of course replace the co...
How to round up a number in Javascript?
...000000000) / precision. You will get a fraction 0.015900001. Need to add a range validation for precision.
– Frank
Dec 24 '17 at 1:00
...
See my work log in jira
...Daywise" report that lets you see hows logged by you for a particular time range, giving just what the original poster requested.
– ewitkows
May 1 '18 at 1:56
...
Controlling mouse with Python
...l mouse using win32api:
import win32api
import time
import math
for i in range(500):
x = int(500+math.sin(math.pi*i/100)*500)
y = int(500+math.cos(i)*100)
win32api.SetCursorPos((x,y))
time.sleep(.01)
A click using ctypes:
import ctypes
# see http://msdn.microsoft.com/en-us/libr...
Histogram Matplotlib
...m collections import Counter
_, bins = np.histogram(data, bins='auto', range=(data.min(), data.max()), density=False)
h = Counter(np.digitize(data,bins) - 1)
weights = np.asarray(list(h.values()))
weights = weights / weights.sum()
values = np.asarray(list(h.keys()))
return w...
Scala Doubles, and Precision
... math.round(x*m) / m
}
}
This is about 10x faster if you're within the range of Long (i.e 18 digits), so you can round at anywhere between 10^18 and 10^-18.
share
|
improve this answer
...
Print newline in PHP in single quotes
... parse the \n as a new line character and print that result
We're in the range of millionths of a second, but there IS a difference in performance. I would recommend you to use single quotes whenever possible, even knowing you won't be able to perceive this performance increase. But I'm a paranoid...