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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
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onSaveInstanceState () and onRestoreInstanceState ()
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Usually you restore your state in onCreate(). It is possible to restore it in onRestoreInstanceState() as well, but not very common. (onRestoreInstanceState() is called after onStart(), whereas onCreate() is called before onStart().
Use the put methods to store values in onSav...
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
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show 4 more comment...
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
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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
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Creating a UIImage from a UIColor to use as a background image for UIButton [duplicate]
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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...
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
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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...
Find and replace with sed in directory and sub directories
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Actually adding -e does not work on Mac OS. touch a b c d e followed by the command above produces a directory listing like this: a a-e b b-e c c-e d d-e e e-e.
– paulmelnikow
Mar 10 '14 at 5:22
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Some questions about Automatic Reference Counting in iOS5 SDK
I'm currently developing an app for iPad. The development started for iOS 4.2 and is now continuing (and I think will be completed) for iOS 4.3.
I just read about ARC in iOS 5, and basically I understood that we will never need to release and retain objects anymore. My questions are:
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