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How do I create directory if none exists using File class in Ruby?
... are not already present:
require 'fileutils'
dirname = File.dirname(some_path)
unless File.directory?(dirname)
FileUtils.mkdir_p(dirname)
end
Edit: Here is a solution using the core libraries only (reimplementing the wheel, not recommended)
dirname = File.dirname(some_path)
tokens = dirname....
How to programmatically empty browser cache?
I am looking for a way to programmatically empty the browser cache. I am doing this because the application caches confidential data and I'd like to remove those when you press "log out". This would happen either via server or JavaScript. Of course, using the software on foreign/public computer is s...
Android Layout with ListView and Buttons
...ility.
– CommonsWare
Mar 5 '10 at 1:32
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show 5 more comments
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Is there a way to programmatically scroll a scroll view to a specific edit text?
...
private final void focusOnView(){
your_scrollview.post(new Runnable() {
@Override
public void run() {
your_scrollview.scrollTo(0, your_EditBox.getBottom());
}
});
}
...
When to use wrapper class and primitive type
When I should go for wrapper class over primitive types? Or On what circumstance I should choose between wrapper / Primitive types?
...
Short circuit Array.forEach like calling break
How can I do this using the new forEach method in JavaScript? I've tried return; , return false; and break . break crashes and return does nothing but continue iteration.
...
CSS @font-face not working with Firefox, but working with Chrome and IE
The following code works in Google Chrome beta as well as IE 7. However, Firefox seems to have a problem with this. I'm suspecting it to be a problem of how my CSS files are included, cause I know Firefox is not too friendly about cross-domain imports.
...
Converting an object to a string
...bject to real state from "[object Object]"..
– techie_28
May 18 '16 at 6:08
JSON.stringify is not suitable for all cas...
Objective-C: Where to remove observer for NSNotification?
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answered Jun 24 '11 at 14:32
DirkDirk
28.3k66 gold badges7474 silver badges9595 bronze badges
...
How does delete[] know it's an array?
Alright, I think we all agree that what happens with the following code is undefined, depending on what is passed,
16 Answe...