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What is the difference between RegExp’s exec() function and String’s match() function?
...egular expression is meant to be used in a loop, as it will still retrieve all matched subexpressions. So:
var re = /[^\/]+/g;
var match;
while (match = re.exec('/a/b/c/d')) {
// match is now the next match, in array form.
}
// No more matches.
String.match does this for you and discards th...
A gentle tutorial to Emacs/Swank/Paredit for Clojure
I am moving to Emacs to work on Clojure /Lisp.
What is all the information I need to setup on Emacs to be able to do the following?
...
How to check that a string is an int, but not a double, etc.?
... (ctype_digit($testcase)) {
echo "The string $testcase consists of all digits.\n";
} else {
echo "The string $testcase does not consist of all digits.\n";
}
}
?>
The above example will output:
The string 1820.20 does not consist of all digits.
The string 10002 consists...
How to remove all CSS classes using jQuery/JavaScript?
Instead of individually calling $("#item").removeClass() for every single class an element might have, is there a single function which can be called which removes all CSS classes from the given element?
...
Painless way to install a new version of R?
...han Linux). Does anyone have a good trick for doing the upgrade, from installing the software to copying all the settings/packages over?
...
Zoom to fit all markers in Mapbox or Leaflet
How do I set view to see all markers on map in Mapbox or Leaflet ? Like Google Maps API does with bounds ?
8 Answers
...
Breadth First Vs Depth First
...would visit the nodes in this order
A, B, D, C, E, F
Notice that you go all the way down one leg before moving on.
A breadth first traversal would visit the node in this order
A, B, C, D, E, F
Here we work all the way across each level before going down.
(Note that there is some ambiguity in...
Disabling Strict Standards in PHP 5.4
...to this I was running my site on 5.3.8. Unfortunately, php 5.4 combines E_ALL and E_STRICT , which means that my previous setting for error_reporting does not work now. My previous value was E_ALL & ~E_NOTICE & ~E_STRICT Should I just enable values one at a time?
...
Active Record - Find records which were created_at before today
I want to get all records where the created_at field is less than today (a date).
Is there anything like:
4 Answers
...
What's the fastest way to convert String to Number in JavaScript?
...);
parseInt(x, 10);
parseFloat(x);
+x;
By this quick test I made, it actually depends on browsers.
http://jsperf.com/best-of-string-to-number-conversion/2
Implicit marked the fastest on 3 browsers, but it makes the code hard to read… So choose whatever you feel like it!
...