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is_file or file_exists in PHP
... is faster, because these two functions have different behaviours (as mentioned in the accepted answer, the one tests if it is a file or a symlink that points to a file (but not a directory and not a symlink which points to a directory) and the other tests if it is a file (which could also be a dire...
Placeholder in UITextView
...extView . Now I want the UITextView to have a placeholder similar to the one you can set for an UITextField .
62 Answers...
What to learn for making Java web applications in Java EE 6? [closed]
...u want. There might be more focused books in the future but this is a good one.
– Pascal Thivent
Dec 25 '09 at 7:17
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CSRF protection with CORS Origin header vs. CSRF token
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The Flash example is a good one - and maybe other plugins may have a similar vulnerability. I can (unfortunately) only protect Alice from CSRF, if she uses a modern browser etc, that's clear. But it is not unreasonable, that even as a security-aware use...
How to return multiple objects from a Java method?
...more convenient to use. The version above includes what's just enough in a one-shot declaration.
– David Hanak
Jan 21 '09 at 16:05
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AJAX Mailchimp signup form integration
Is there any way to integrate mailchimp simple (one email input) with AJAX, so there is no page refresh and no redirection to default mailchimp page.
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async/await - when to return a Task vs void?
Under what scenarios would one want to use
7 Answers
7
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Programmatically scroll to a specific position in an Android ListView
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Another difference: the first one tries to set in the middle of list.
– Victor Pinto
May 12 '14 at 18:13
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Git error on git pull (unable to update local ref)
..., and it worked! Not sure, if both were needed in that order, or only this one.
– Anurag
Jan 29 at 10:05
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Best way to replace multiple characters in a string?
... two characters
I timed all the methods in the current answers along with one extra.
With an input string of abc&def#ghi and replacing & -> \& and # -> \#, the fastest way was to chain together the replacements like this: text.replace('&', '\&').replace('#', '\#').
Timin...