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Detect URLs in text with JavaScript
Does anyone have suggestions for detecting URLs in a set of strings?
13 Answers
13
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How to see if an NSString starts with a certain other string?
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answered Jun 26 '15 at 22:46
RichardRichard
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HTML Submit-button: Different value / button-text?
...*...*/ );
(Since I don't know that language (java?), there may be syntax errors.)
I would prefer the <button> solution, but it doesn't work as expected on IE < 9.
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What is Scala's yield?
I understand Ruby and Python's yield. What does Scala's yield do?
9 Answers
9
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Calculating distance between two points, using latitude longitude?
... code given by Dommer above gives slightly incorrect results but the small errors add up if you are processing say a GPS track. Here is an implementation of the Haversine method in Java which also takes into account height differences between two points.
/**
* Calculate distance between two points...
Check whether an array is empty [duplicate]
...'t mean that array is empty. As a quick workaround you can do following:
$errors = array_filter($errors);
if (!empty($errors)) {
}
array_filter() function's default behavior will remove all values from array which are equal to null, 0, '' or false.
Otherwise in your particular case empty() cons...
Is there a regular expression to detect a valid regular expression?
...s.
using this with shell script in the grep command , it shows me some error.. grep: Invalid content of {} . I am making a script that could grep a code base to find all the files that contain regular expressions
This pattern exploits an extension called recursive regular expressions. This is ...
Is gettimeofday() guaranteed to be of microsecond resolution?
I am porting a game, that was originally written for the Win32 API, to Linux (well, porting the OS X port of the Win32 port to Linux).
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How are the points in CSS specificity calculated
Researching specificity I stumbled upon this blog - http://www.htmldog.com/guides/cssadvanced/specificity/
7 Answers
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How do I automatically sort a has_many relationship in Rails?
...in the model?
– Wit
Jun 21 '17 at 8:05
@Wit - you can add .order() to the method chain, like in the last example. Is t...