大约有 5,600 项符合查询结果（耗时：0.0266秒） [XML]
Pythonic way to check if a list is sorted or not
...rt time
def benchmark(f, *args):
t1 = time.time()
for i in xrange(1000000):
f(*args)
t2 = time.time()
return t2-t1
L1 = range(4, 0, -1)
L2 = range(100, 0, -1)
L3 = range(0, 4)
L4 = range(0, 100)
# 1.
def isNonIncreasing(l, key=lambda x,y: x >= y):
return all(key(l[...
Typedef function pointer?
...{
int x;
int y;
} point;
//typedef an array
typedef point points[100];
points ps = {0}; // ps is an array of 100 point
// typedef a function
typedef distance (*distanceFun_p)(point,point) ; // TYPE_DEF distanceFun_p TO BE int (*distanceFun_p)(point,point)
// prototype a function
...
how to draw smooth curve through N points using javascript HTML5 canvas?
... x1,y1, x2,y2, ...xn,yn.
Use it like this:
var myPoints = [10,10, 40,30, 100,10]; //minimum two points
var tension = 1;
drawCurve(ctx, myPoints); //default tension=0.5
drawCurve(ctx, myPoints, tension);
The function above calls two sub-functions, one to calculate the smoothed points. This retur...
How to increase space between dotted border dots
...ul for creating a complete box:
#border {
width: 200px;
height: 100px;
background: yellow;
text-align: center;
line-height: 100px;
background: linear-gradient(to right, orange 50%, rgba(255, 255, 255, 0) 0%), linear-gradient(blue 50%, rgba(255, 255, 255, 0) 0%), linear-gradien...
\d is less efficient than [0-9]
...
Gives new timings:
Regex \d took 00:00:00.1355787 result: 5077/10000
Regex [0-9] took 00:00:00.1360403 result: 5077/10000 100.34 % of first
Regex [0123456789] took 00:00:00.1362112 result: 5077/10000 100.47 % of first
...
Difference between res.send and res.json in Express.js
... send another type. For example:
This will return a JSON number.
res.json(100)
This will return a status code and issue a warning to use sendStatus.
res.send(100)
If your argument is not a JSON object or array (null,undefined,boolean,string), and you want to ensure it is sent as JSON, use res.jso...
How to dump a table to console?
... ["depth6"] = { ["depth7"]= { ["depth8"] = { ["depth9"] = { ["depth10"] = {1000}, 900}, 800},700},600},500}, 400 }, 300}, 200}, 100},
["ted"] = {true,false,"some text"},
"string2",
[function() return end] = function() return end,
75
}
print_table(t)
Output:
{
[1] = 'string1',...
Setting up a git remote origin
...oup/project.git # git
git remote add --track master origin user@172.16.1.100:group/project.git # git w/IP
git remote add --track master origin http://github.com/group/project.git # http
git remote add --track master origin http://172.16.1.100/group/project.git # http w/IP
git remote add --trac...
Convert string in base64 to image and save on filesystem in Python
...py850808Au", line 8, in <module> image = Image.fromstring('RGB',(100,100),decodestring(imgData)) File "/opt/local/lib/python2.5/site-packages/PIL/Image.py", line 1744, in fromstring im.fromstring(data, decoder_name, args) File "/opt/local/lib/python2.5/site-packages/PIL/Image.py", ...
Split column at delimiter in data frame [duplicate]
...would you do if it's one column within a pre-existing large dataframe with 100s of columns?
– Jeff Erickson
Aug 15 '11 at 19:04
...