大约有 47,000 项符合查询结果（耗时：0.0652秒） [XML]
Aggregate / summarize multiple variables per group (e.g. sum, mean)
...t, year + month ~ variable, sum)
# year month x1 x2
1 2000 1 -80.83405 -224.9540159
2 2000 2 -223.76331 -288.2418017
3 2000 3 -188.83930 -481.5601913
4 2000 4 -197.47797 -473.7137420
5 2000 5 -259.07928 -372.4563522
...
How to use java.net.URLConnection to fire and handle HTTP requests?
...ookies) {
connection.addRequestProperty("Cookie", cookie.split(";", 2)[0]);
}
// ...
The split(";", 2)[0] is there to get rid of cookie attributes which are irrelevant for the server side like expires, path, etc. Alternatively, you could also use cookie.substring(0, cookie.indexOf(';')) instead...
Getting MAC Address
...
answered Oct 1 '08 at 19:06
Armin RonacherArmin Ronacher
29.6k1212 gold badges6262 silver badges6868 bronze badges
...
Step-by-step debugging with IPython
...ition.
%pdb is a line magic. Call it as %pdb on, %pdb 1, %pdb off or %pdb 0. If called without argument it works as a toggle.
share
|
improve this answer
|
follow
...
Task continuation on UI thread
... |
edited Jun 24 '16 at 0:35
answered Dec 2 '10 at 3:02
G...
What does enumerable mean?
...
|
edited Jul 10 '18 at 16:11
answered Jul 27 '13 at 2:47
...
How to find day of week in php in a specific timezone
...
$dw = date( "w", $timestamp);
Where $dw will be 0 (for Sunday) through 6 (for Saturday) as you can see here:
http://www.php.net/manual/en/function.date.php
share
|
improve...
How to get response status code from jQuery.ajax?
... get the HTTP response code from a jQuery.ajax call. Then, if the code is 301 (Moved Permanently), display the 'Location' response header:
...
Is there a limit to the length of a GET request? [duplicate]
...o Long) status if a URI is longer
than the server can handle (see section 10.4.15).
Note: Servers should be cautious about depending on URI lengths
above 255 bytes, because some older client or proxy implementations
may not properly support these lengths.
...
What's the best way to convert a number to a string in JavaScript? [closed]
...ly, even though I typically do it like this for simple convenience, over 1,000s of iterations it appears for raw speed there is an advantage for .toString()
See Performance tests here (not by me, but found when I went to write my own):
http://jsben.ch/#/ghQYR
Fastest based on the JSPerf test above...