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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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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...
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...
How does Facebook Sharer select Images and other metadata when sharing my URL?
..."http://ia.media-imdb.com/rock.jpg"/>
<meta property="og:image:secure_url" content="https://secure.example.com/ogp.jpg" />
and it should be present inside the <head></head> tag at the top of your page.
If these tags are not present, it will look for their older method of sp...
How to clear APC cache entries?
...
You can use the PHP function apc_clear_cache.
Calling apc_clear_cache() will clear the system cache and calling apc_clear_cache('user') will clear the user cache.
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Detecting when user has dismissed the soft keyboard
...int keyCode, KeyEvent event) {
if (event.getKeyCode() == KeyEvent.KEYCODE_BACK) {
// Do your thing.
return true; // So it is not propagated.
}
return super.dispatchKeyEvent(event);
}
Here is a link on how to use your custom views (for when you subclass EditText):
http://developer.an...
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...
Colorized Ruby output to the terminal [closed]
...code in Cygwin but it comes out without colors..
– jj_
Mar 8 '13 at 15:07
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