大约有 37,000 项符合查询结果（耗时：0.0257秒） [XML]
Add up a column of numbers at the Unix shell
...lable on some systems! awk, on the other hand is (I believe) required for POSIX compliance.
– vktec
Jan 1 '17 at 20:23
|
show 4 more comment...
Generating file to download with Django
Is it possible to make a zip archive and offer it to download, but still not save a file to the hard drive?
8 Answers
...
What does the NS prefix mean?
...don't mind if the accepted answer changes to one of the others (if that's possible - never checked that).
– Olaf Kock
Aug 8 '12 at 20:21
2
...
How to use `subprocess` command with pipes
...aturely; ps may hang indefinitely if it produces enough output to fill its OS pipe buffer (because you haven't called ps.stdout.close() in the parent). Swap the starting order, to avoid it
– jfs
Mar 22 '16 at 17:23
...
How to use find command to find all files with extensions from list?
... answered Apr 12 '10 at 11:16
JoseKJoseK
29.9k1313 gold badges9595 silver badges124124 bronze badges
...
Different font size of strings in the same TextView
...e length of the string. IndexOutOfBoundsException: indicating wrong index position for start and end of span. in the above Hello length is 5 so i applied span from index 0 to 5
– Raghunandan
May 2 '13 at 11:12
...
Detect Android phone via Javascript / jQuery
...sh.name';
}
PHP:
$ua = strtolower($_SERVER['HTTP_USER_AGENT']);
if(stripos($ua,'android') !== false) { // && stripos($ua,'mobile') !== false) {
header('Location: http://android.davidwalsh.name');
exit();
}
Edit : As pointed out in some comments, this will work in 99% of the cases,...
Proper use of beginBackgroundTaskWithExpirationHandler
...
The accepted answer is very helpful and should be fine in most cases, however two things bothered me about it:
As a number of people have noted, storing the task identifier as a property means that it can be overwritten if the method is called multiple times, leading to a task that...
Using the scrollwheel in GNU screen
...scroll around in the scrollback buffer? I tried to Google about this, but most hits were on how to allow applications inside screen to use the scrollwheel.
...
Creating a UIImage from a UIColor to use as a background image for UIButton [duplicate]
...
Xamarin.iOS solution
public UIImage CreateImageFromColor()
{
var imageSize = new CGSize(30, 30);
var imageSizeRectF = new CGRect(0, 0, 30, 30);
UIGraphics.BeginImageContextWithOptions(imageSize, false, 0);
var c...