大约有 40,000 项符合查询结果(耗时:0.0505秒) [XML]
Python: split a list based on a condition?
What's the best way, both aesthetically and from a performance perspective, to split a list of items into multiple lists based on a conditional? The equivalent of:
...
ios app maximum memory budget
...ered your own question: try not to go beyond the 70 Mb limit, however it really depends on many things: what iOS version you're using (not SDK), how many applications running in background, what exact memory you're using etc.
Just avoid the instant memory splashes (e.g. you're using 40 Mb of RAM, a...
Django-Admin: CharField as TextArea
...
Starting from Django 1.7 you need to add also fields = '__all__' under class Meta:.
– skoll
May 4 '16 at 11:43
2
...
How to get the full path of running process?
...
According to my measurements, calling process.Modules[0] is 50 times slower than calling process.MainModule.
– Luca Cremonesi
Oct 23 '14 at 16:14
...
Download JSON object as a file from browser
...tainer = document.getElementById('container');
container.appendChild(a);
http://jsfiddle.net/sz76c083/1
share
|
improve this answer
|
follow
|
...
Select unique or distinct values from a list in UNIX shell script
...n the following input:
class
jar
jar
jar
bin
bin
java
uniq will output all lines exactly once:
class
jar
bin
java
uniq -d will output all lines that appear more than once, and it will print them once:
jar
bin
uniq -u will output all lines that appear exactly once, and it will print them ...
Matplotlib make tick labels font size smaller
...n I make the font size for the tick labels using ax1.set_xticklabels() smaller?
10 Answers
...
CodeIgniter: Create new helper?
...o it.
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
if ( ! function_exists('test_method'))
{
function test_method($var = '')
{
return $var;
}
}
Save this to application/helpers/ . We shall call it "new_helper.php"
The first line exists to ...
A html space is showing as %2520 instead of %20
...
I have http://mysite/test & that... If I use UrlEncode` it changes to http://mysite/test%20&%20that but I also want the & to change to %26 as well so it's mysite/test%20%26%20that` How can I do that?
...
C++ performance challenge: integer to std::string conversion
... 12.812 s
Here are some results and a testing/timing framework on ideone
http://ideone.com/XZRqp
Note that ideone is a 32-bit environment. Both of my algorithms suffer from that, but hopman_fast is at least still competetive.
Note that for those the two or so that don't construct a string I adde...
