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List files with certain extensions with ls and grep
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In bash, you can do "set -o nullglob", and you wont get the errors.
– camh
Sep 19 '09 at 4:10
2
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UICollectionView auto scroll to cell at IndexPath
Before loading the collection view user sets the number of image in the array of collection view. All of the cells don't fit on the screen. I have 30 cells and only 6 on the screen.
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Any way to exit bash script, but not quitting the terminal
...unctions that that called script needs access to. Better to explain how to set a return code and then process it in runs.sh @ruakh has the better answer to this question.
– MikeSchinkel
Aug 28 '16 at 17:08
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How to avoid “if” chains?
...e time, especially in systems programming when you need to unwind a lot of set-up code.
– Scotty Bauer
Jun 26 '14 at 19:51
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How can I check file size in Python?
...)
f.seek(0, os.SEEK_END)
size = f.tell()
f.seek(old_file_position, os.SEEK_SET)
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Android Fragment no view found for ID?
...his problem too, until I realized that I had specified the wrong layout in setContentView() of the onCreate() method of the FragmentActivity.
The id passed into FragmentTransaction.add(), in your case R.id.feedContentContainer, must be a child of the layout specified in setContentView().
You didn'...
iOS JavaScript bridge
... execute(url)
{
var iframe = document.createElement("IFRAME");
iframe.setAttribute("src", url);
document.documentElement.appendChild(iframe);
iframe.parentNode.removeChild(iframe);
iframe = null;
}
You call the execute function repeatedly and since each call executes in its own iframe, ...
How to print colored text in Python?
... Windows 10 provided you enable VT100 emulation). There are ansi codes for setting the color, moving the cursor, and more.
If you are going to get complicated with this (and it sounds like you are if you are writing a game), you should look into the "curses" module, which handles a lot of the compl...
Rounding up to next power of 2
...sed to compute log2 very efficiently. See en.wikipedia.org/wiki/Find_first_set
– Simon
Oct 4 '13 at 21:57
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How to generate a random string in Ruby
... B, 1 with I, 0 with O, L with 1, etc.
# Generates a random string from a set of easily readable characters
def generate_activation_code(size = 6)
charset = %w{ 2 3 4 6 7 9 A C D E F G H J K M N P Q R T V W X Y Z}
(0...size).map{ charset.to_a[rand(charset.size)] }.join
end
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