大约有 740 项符合查询结果（耗时：0.0140秒） [XML]
document.getElementById vs jQuery $()
... myfunc()
{
var timer = new Date();
for(var i = 0; i < 10000; i++)
{
//document.getElementById('myID');
$('#myID')[0];
}
console.log('timer: ' + (new Date() - timer));
}
Alternate commenting one out and then comment the other out...
How can I compare two lists in python and return matches
...ect(a, b)
# Comparing longer lists
import random
a = random.sample(xrange(100000), 10000)
b = random.sample(xrange(100000), 10000)
compare_bitwise(a, b)
compare_listcomp(a, b)
compare_intersect(a, b)
These are the results on my machine:
# Short list:
compare_bitwise took 10.145 ms
compare_listco...
Very large matrices using Python and NumPy
...t I've found that it's capable of handling matrices which are quite large (10000 x 10000) easily, but begins to struggle with anything much larger (trying to create a matrix of 50000 x 50000 fails). Obviously, this is because of the massive memory requirements.
...
Why do I get “'property cannot be assigned” when sending an SMTP email?
...
client.Host = "smtp.gmail.com";
client.EnableSsl = true;
client.Timeout = 10000;
client.DeliveryMethod = SmtpDeliveryMethod.Network;
client.UseDefaultCredentials = false;
client.Credentials = new System.Net.NetworkCredential("user@gmail.com","password");
MailMessage mm = new MailMessage("donotrepl...
Is there a way to 'pretty' print MongoDB shell output to a file?
...lable with a variable inside the shell. you can put DBQuery.shellBatchSize=10000 into your .mongodbrc.js file and it will "stop" after 10000 results instead of 20.
– Asya Kamsky
Jan 10 '15 at 15:18
...
Check if something is (not) in a list in Python
...t, in evaluates faster:
lst = list(range(10001))
%timeit 1 in lst
%timeit 10000 in lst # Expected to take longer time.
68.9 ns ± 0.613 ns per loop (mean ± std. dev. of 7 runs, 10000000 loops each)
178 µs ± 5.01 µs per loop (mean ± std. dev. of 7 runs, 10000 loops each)
If you want to do m...
initialize a numpy array
...t("np.array(i for i in xrange(100))", setup="import numpy as np", number = 10000) -> 0.02539992332458496, versus timeit("np.fromiter((i for i in xrange(100)), dtype=int)", setup="import numpy as np", number = 10000) -> 0.13351011276245117
– hlin117
Oct 7 ...
What's better to use in PHP, $array[] = $value or array_push($array, $value)?
...Ran this code:
$t = microtime(true);
$array = array();
for($i = 0; $i < 10000; $i++) {
$array[] = $i;
}
print microtime(true) - $t;
print '<br>';
$t = microtime(true);
$array = array();
for($i = 0; $i < 10000; $i++) {
array_push($array, $i);
}
print microtime(true) - $t;
The fir...
How to split a large text file into smaller files with equal number of lines?
...
Tried georgec@ATGIS25 ~ $ split -l 100000 /cygdrive/P/2012/Job_044_DM_Radio_Propogation/Working/FinalPropogation/TRC_Longlands/trc_longlands.txt but there are no split files in the directory -where is the output?
– GeorgeC
...
How to reset a timer in C#?
...
I just assigned a new value to the timer:
mytimer.Change(10000, 0); // reset to 10 seconds
It works fine for me.
at the top of the code define the timer: System.Threading.Timer myTimer;
if (!active)
myTimer = new Timer(new TimerCallback(TimerProc));
myTimer.Change(10000, 0);
a...