大约有 40,000 项符合查询结果(耗时:0.0746秒) [XML]
Get IP address of visitors using Flask for Python
I'm making a website where users can log on and download files, using the Flask micro-framework (based on Werkzeug ) which uses Python (2.6 in my case).
...
Moving average or running mean
... does the whole thing in one loop, without dependencies, the code below works great.
mylist = [1, 2, 3, 4, 5, 6, 7]
N = 3
cumsum, moving_aves = [0], []
for i, x in enumerate(mylist, 1):
cumsum.append(cumsum[i-1] + x)
if i>=N:
moving_ave = (cumsum[i] - cumsum[i-N])/N
#can...
Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
...ve been profiling some of our core math on an Intel Core Duo, and while looking at various approaches to square root I've noticed something odd: using the SSE scalar operations, it is faster to take a reciprocal square root and multiply it to get the sqrt, than it is to use the native sqrt opcode!
...
What is a unix command for deleting the first N characters of a line?
...ne (i.e. start on the 5th char):
tail -f logfile | grep org.springframework | cut -c 5-
share
|
improve this answer
|
follow
|
...
disable maven download progress indication
...before every build. As result my build logs always have a bunch of noise like this
4 Answers
...
What is stack unwinding?
What is stack unwinding? Searched through but couldn't find enlightening answer!
11 Answers
...
jQuery slideUp().remove() doesn't seem to show the slideUp animation before remove occurs
...
Might be able to fix it by putting the call to remove in a callback arg to slideUp?
e.g
selectedLi.slideUp("normal", function() { $(this).remove(); } );
share
|
improve this answer
...
Vibrate and Sound defaults on notification
...lt vibrate and sound alert when my notification comes in, but so far no luck. I imagine it's something to do with the way I set the defaults, but I'm unsure of how to fix it. Any thoughts?
...
What Regex would capture everything from ' mark to the end of a line?
I have a text file that denotes remarks with a single ' .
7 Answers
7
...
Remove duplicates from an array of objects in JavaScript
...ing[i]['place']] = things.thing[i];
things.thing = new Array();
for ( var key in obj )
things.thing.push(obj[key]);
share
|
improve this answer
|
follow
...