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Android EditText delete(backspace) key event
...etect any key press
EDIT: A common mistake we are checking KeyEvent.KEYCODE_BACK for backspace, but really it is KeyEvent.KEYCODE_DEL (Really that name is very confusing! )
editText.setOnKeyListener(new OnKeyListener() {
@Override
public boolean onKey(View v, int keyCode, K...
Select multiple images from android gallery
...
The EXTRA_ALLOW_MULTIPLE option is set on the intent through the Intent.putExtra() method:
intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
Your code above should look like this:
Intent intent = new Intent();
intent.setType("im...
Is there any haskell function to concatenate list with separator?
...meone is interested:
myIntersperse :: a -> [a] -> [a]
myIntersperse _ [] = []
myIntersperse e xs = init $ xs >>= (:[e])
myIntercalate :: [a] -> [[a]] -> [a]
myIntercalate e xs = concat $ myIntersperse e xs
xs >>= f is equivalent to concat (map f xs).
...
Create Directory if it doesn't exist with Ruby
...ectories at once, FileUtils is needed:
require 'fileutils'
FileUtils.mkdir_p 'foo/bar'
# => ["foo/bar"]
Edit2: you do not have to use FileUtils, you may do system call (update from @mu is too short comment):
> system 'mkdir', '-p', 'foo/bar' # worse version: system 'mkdir -p "foo/bar"'
=&g...
Get the closest number out of an array
...; Math.abs(prev - goal) ? curr : prev);
});
const closestTo5 = getClosest(_, 5);
const closestTo = getClosest([4, 9, 15, 6, 2]);
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A regex to match a substring that isn't followed by a certain other substring
...-------------
\w+ word characters (a-z, A-Z, 0-9, _) (1 or
more times (matching the most amount
possible))
--------------------------------------------------------------------------------
) en...
Warning: The Copy Bundle Resources build phase contains this target's Info.plist file
...
https://developer.apple.com/library/content/qa/qa1649/_index.html
Excerpt:
You are getting this warning because you probably added your Info.plist file to your Copy Bundle Resources build phase as shown in Figure
The INFOPLIST_FILE build setting specifies the name of the Inf...
Converting a JS object to an array using jQuery
...r on the www i see lacks the conversion of keys.
– TD_Nijboer
Apr 9 '14 at 11:59
55
You can also ...
How to find all positions of the maximum value in a list?
...t was a little tricky figuring out the proper initialization values for max_val and max_indices which worked for all possible cases, especially if the max happened to be the first value in the list — but I believe it now does.
def maxelements(seq):
''' Return list of position(s) of largest el...
Swift alert view with OK and Cancel: which button tapped?
...ted for swift 3:
// function defination:
@IBAction func showAlertDialog(_ sender: UIButton) {
// Declare Alert
let dialogMessage = UIAlertController(title: "Confirm", message: "Are you sure you want to Logout?", preferredStyle: .alert)
// Create OK button with action hand...